CN103994986B - Portable type device for detecting response threshold of smoke fire detector - Google Patents
Portable type device for detecting response threshold of smoke fire detector Download PDFInfo
- Publication number
- CN103994986B CN103994986B CN201410251100.1A CN201410251100A CN103994986B CN 103994986 B CN103994986 B CN 103994986B CN 201410251100 A CN201410251100 A CN 201410251100A CN 103994986 B CN103994986 B CN 103994986B
- Authority
- CN
- China
- Prior art keywords
- smoke
- box
- fire detector
- survey
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention relates to a portable type device for detecting the response threshold of a smoke fire detector. The device comprises a smoke box lifting jack, a smoke box assembly and a data input and output man-machine interface system, wherein the data input and output man-machine interface system is internally provided with client software which generates data information interaction with the smoke box lifting jack and the smoke box assembly in a wireless communication mode; when the smoke fire detector sends a fire alarm signal and the known obscuration coefficient of smoke gas concentration and the response threshold of the smoke fire detector are more than 0.05dBm＜-1＞, the smoke fire detector is judged to be ineffective. The portable type device for detecting the response threshold of the smoke fire detector is suitable for a general basic inspection unit, and can be used for detecting the response threshold of the smoke fire detector in use without disassembling the smoke fire detector, thus being capable of implementing inspection of the response threshold of the smoke fire detector in use to ensure fire safety and breaking the situation that a safety forcible inspection item can not be carried out in a public place.
Description
Technical field
The present invention relates to fire detector response lag detection means is and in particular to a kind of portable smoke fire detector
Response lag detection means.
Background technology
Smoke detector is to be made using occurring the smog producing during fire to produce, to light, the principle absorbing or blocking
A kind of detector.When a fire, smog enters the sensing chamber of detector, due to the effect of smoke particle, makes on detector
The light of light-emitting component transmitting produces scattering, and this scattering is accepted by the photo detector on detector, produces light-dependent current, thus real
Show and smoke signal has been changed into electric signal, according to the size of electric signal, detector can judge that smoke density sends alarm signal then
Number.Generally, the performance parameter of smoke detector will be tested one by one before dispatching from the factory and be tested, and testing equipment is typically adopted
With the standard fume box that centre punch one produces is supervised by NFA Quality of electronic products.But smoke detection between floors is installed
Device using a period of time after may misalignment, need periodic detection, and current standard fume box be only applicable to smoke detector
Verification before installation is it is impossible to carry out Site Detection (i.e. on-line checking) to the smoke detector in using.Conventional method be by
Take fire department again and detected using standard fume box after smoke detector dismounting in use, and such detection method because
For not being on-line checking, so accurate alignment can not be carried out to smoke detector, the smoke detector inspection after dismounting often occurs
It is qualified to test, but in using after installing again still failure phenomenon.On the other hand, standard fume box volume structure is huge, operating process
Complicated loaded down with trivial details, and testing cost is very high, and general basic unit verification unit is difficult to carry out this work.
Content of the invention
For the drawbacks described above of prior art, for solving problems of the prior art, the present invention provides a kind of sense cigarette
Fire detector response lag detection means.This device volume is little, lightweight, easy to carry, and can align in use
Smoke fire detector carry out on-line checking.
A kind of smoke fire detector response lag detection means includes smoke box lifting jack and smoke box assembly, and described smoke box is lifted
Rise the bottom that device is located at described smoke box assembly, including lifting frame, push rod, and elongating or shortening with push rod, lifting frame will
Rise or fall；Wherein said push rod is preferably electric pushrod；
Described smoke box assembly quality be less than 10kg, volume be less than 50cm × 50cm × 50cm, including standard smoke generator,
Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas purging four functional units of unit, wherein, described standard
Smoke generator can equalize the generation amount of being fuming, and the particle diameter distribution of the smoke particle in flue gas, in 0.5um～1.0um, forms standard fume；Institute
State constant temperature standard fume supply unit to be transported to for processing described flue gas by design temperature constant temperature or by setting heating rate
In described on-line checking smoke box；Described on-line checking smoke box unit is used for sending into into smoke fire detector going out dim light after testing
The flue gas of demarcation of coefficient value, receives smoke fire detector sound and light alarm signal, assigns test result for testing staff's analysis,
The known obscuration coefficient value of flue gas concentration and described smoke when described smoke fire detector sends fire alarm signal
The response lag of detector is more than 0.05dbm-1When, judge that described smoke fire detector lost efficacy；Described flue gas purging unit is used
In the flue gas replacing residual in a upper detection process, prepare for next detection process；Opening is arranged at the top of described smoke box assembly,
The size of described opening can house smoke detector just；The top of described smoke box assembly is preferably provided with sealing ring, and its effect is
Make smoke-box airtight, prevent in detection process flue gas from smoke box assembly tip-leakage.
Preferably, described on-line checking smoke box unit includes pickup video camera, air velocity transducer, temperature sensor, 850nm
Photometer measurement is popped one's head in；Described pickup video camera, air velocity transducer and temperature sensor are respectively intended to detect the acousto-optic in smoke-box
Signal, wind velocity signal and temperature signal；Described 850nm photometer measurement is popped one's head in for detecting the flue gas concentration in smoke-box.
Preferably, described smoke fire detector response lag detection means includes data input output man-machine interface system
System, to be used for occurring data message to interact with described smoke box lifting jack and described smoke box assembly, can be by described man-machine interface
System is controlled to described smoke box lifting jack and described smoke box assembly；Described data input output human-computer interface system is built-in with
Client software；Described client software can show and store the phonotape and videotape of smoke-box in smoke box assembly, temperature, wind speed, dim light system
The data such as number；Described client software also includes smoke box lifting jack and controls window, after opening client operation form, pins act
Rise device and rise or fall knob, push rod can be controlled to elongate or shorten, lifting frame will rise or fall therewith；Described client is soft
It is to be carried out by way of radio communication that data message between part and smoke box assembly and smoke box lifting jack interacts, wherein, institute
State radio communication be preferably one of purple honeybee, wifi, bluetooth, rf or more than one；Described data input exports man-machine interface
System is preferably contained in upper computer software and database on the mobile devices such as mobile phone or notebook computer.
In portable smoke fire detector response lag detection means of the present invention, in described on-line checking cigarette
In case, the air-flow around described smoke fire detector is 0.2 ± 0.04m/s, and gas flow temperature should be 23 ± 5 DEG C, is transported to institute
The liter cigarette speed stating on-line checking smoke box is 0.015dbm-1min-1≤δm/δt≤0.1dbm-1min-1.
In portable smoke fire detector response lag detection means of the present invention, smoke particle in flue gas
Particle diameter distribution is in 0.5um～1.0um.
In portable smoke fire detector response lag detection means of the present invention, optical measurement length is
0.114m (standard requires to be not more than 1.1m), it can not receive the light that the angle of scattering of the smoke particle scattering of supplied flue gases is more than 3 °
Line.In the range of 800nm～950nm, its Effective Radiated Power should be greater than 50% to light beam wavelength, and wavelength is less than the model of 800nm
In enclosing, its Effective Radiated Power should be less than 10%, and wavelength is higher than that in the range of 1050nm, its Effective Radiated Power also should be less than
10%.
Portable smoke fire detector response lag detection means detection error of the present invention is: in 0～2db/m
Between smoke density, measure error not should be greater than (m × 5%+0.02) db/m.Before measuring every time, the reading of measuring instrument must be with
Reading (zero point) in pure air compares, and measured deviation not should be greater than 0.02db/m.
Implement the portable smoke fire detector response lag detection means of the present invention, have the advantages that no
The smoke fire detector in use need to be loaded and unloaded, you can this smoke fire detector is carried out, with verifying response lag, solve
In the use of response lag, the problem of verification, advantageously ensures that security against fire；Additionally, this detection means is lightweight, small volume,
Easy to carry, and can be manipulated by client software, detection process is easily and fast.
Brief description
Fig. 1 portable smoke fire detector response lag structure of the detecting device figure；
Fig. 2 smoke box assembly structure schematic diagram；
Fig. 2 a smoke box assembly main view profile；
Fig. 2 b smoke box assembly left view profile；
Fig. 2 c smoke box assembly top plan view；
Fig. 3 combustion tube profile.
Figure number detail list:
1. long leg；
2. mainboard driving plate connection；
3. short supporting leg；
4. supply socket；
5. Switching Power Supply；
6. control cable aviation socket；
7. driving plate is to aviation socket cable；
8. hand-held touch control screen；
9. switch board；
10. mainboard；
11. driving plates；
12. lifting frame assemblies；
13. control cables；
14. electric linear push rods；
15. smoke box assemblies；
16.20 type aviation plug；
17. lifting arm connecting bolts；
18. smoke box seats；
19. combustion tube cables；
20. combustion tubes；
21. blower fan assemblies；
22. are fuming cylinder base；
23. air inlet temperature sensors；
24. heat exchange posts；
25. thermoelectric cooling modules；
26.cpu radiator fan；
27. Cross Recess Head Screw-H type m3 × 8；
28. air inlet temperature sensor data lines；
29. sound pick-ups and camera data wire；
30. pickup video cameras；
31.tec1-12720 thermoelectric cooling module service cable；
32.775 serial cpu radiator fan service cable；
33. fan house return air inlet temperature sensor data lines；
34. fan house return air inlet temperature sensors；
35. fan houses；
36. pickup camera heat-insulating packing rings；
37. survey smoke-box air velocity transducer data wires；
38. survey smoke-box return air inlet temperature sensor data lines；
39. surveying smoke-box air velocity transducer；
40. survey smoke-box return air inlet temperature sensors；
41. survey smoke-boxes；
42. thermal insulation layers；
43. survey smoke-box return air uniform devices；
44. survey smoke-box sealing ring flange hinge bolts；
45. survey smoke-box sealing ring flange hinge axis；
46. survey smoke-box sealing rings；
47. smoke box top dead centre limit sensors；
48. smoke box top dead centre limit sensors data wires；
49. pickup video camera dust covers；
The assembly emitting head 50.850nm photometer measurement is popped one's head in；
51. survey smoke-box sealing ring flanges；
52. survey smoke-box sealing ring flange lock bolt；
53. survey smoke-box air intake uniform devices；
54.850nm photometer measurement probe transmitting end cable；
55. survey smoke-box intake air temperature sensors；
56. survey smoke-box intake air temperature sensor data cables；
57. survey smoke-box temperature sensors；
58. survey smoke-box temperature sensor data lines；
59. electric air volume adjusting valve cables；
60. electric air volume adjusting valve assemblies；
61. fan house air outlet temperature sensors；
62. fan house air outlet temperature sensor data lines；
63. Cross Recess Head Screws-H type m4 × 12；
64. smoke-box driving plates；
65. smoke-box driving plate control lines；
66. smoke-box driving plate power lines；
67. smoke-box driving plate power supply；
68. fan power lines；
69. smoke-box driving plate power supply supply lines；
The dust cover 70.850nm photometer measurement is popped one's head in；
71. Cross Recess Head Screws-H type m3 × 20；
72.850nm photometer measurement probe receives end cable；
The receiving terminal assembly 73.850nm photometer measurement is popped one's head in；
The dust-proof hood seal gasket 74.850nm photometer measurement is popped one's head in；
75. heating wire lead-out wires；
76. line terminals drawn by heating wire；
77. ceramic insulators；
78. are fuming cover；
79. are fuming cylinder base hook hole；
80. positive electrodes；
81. heating wire；
The 82. standard columns of smoke；
83. column of smoke shield air ducts；
84. ground connection negative electrodes.
Specific embodiment
Now with reference to accompanying drawing, the present invention is described in detail, in the following description, complete to the present invention in order to provide
Foliation solution, elaborates multiple concrete details.However, to those skilled in the art, can not have these
To implement the present invention in the case of some or all in detail.Additionally, in order to avoid unnecessarily obscuring the present invention, not
Known process step and/or structure are described in detail.
Fig. 1 is portable smoke fire detector response lag structure of the detecting device figure.It is provided with the bottom of this device and prop up
Frame, long leg 1 is installed on the right of support, and short supporting leg 3 is installed on the left side, support in order to support and control cabinet 9, lifting frame assembly 12 and
Smoke box assembly 15.It is provided with mainboard 10, driving plate 11, hand-held touch control screen 8 in switch board 9.Preferably, described smoke
Explorer response threshold test device includes data input output human-computer interface system, to be used for and described smoke box lifting jack and institute
State smoke box assembly and data message interaction occurs, can be by described human-computer interface system to described smoke box lifting jack and described smoke box
Assembly is controlled；Described data input output human-computer interface system is built-in with client software；Described client software can
Show and store the data such as the phonotape and videotape of smoke-box, temperature, wind speed, obscuration coefficient in smoke box assembly；Described client software also comprises
There is smoke box lifting jack to control window, after opening client operation form, pin lifting jack and rise or fall knob, can control and push away
Bar elongates or shortens, and lifting frame will rise or fall therewith；Between described client software and smoke box assembly and smoke box lifting jack
Data message interaction be to be carried out by way of radio communication, wherein, described radio communication is preferably purple honeybee, wifi, indigo plant
One of tooth, rf or more than one；Described data input output human-computer interface system is preferably contained in mobile phone or notebook electricity
Upper computer software on the mobile devices such as brain and database.Wherein mainboard 10, driving plate 11 pass through mainboard driving plate connection 2 even
Connect, driving plate 11 a port is connected to the supply socket 4 being controlled by Switching Power Supply 5, extremely navigated by driving plate in second port
Dummy receptacle cable 7 is connected to cable aviation socket 6.Cable aviation socket 6 is controlled to be arranged on supply socket 4 upper end, simultaneously
Also connect the control cable 13 connecting with smoke box assembly 15 in this control cable with aviation socket 6.Wherein on lifting frame assembly 12
Portion is provided with electric linear push rod 14, in order to adjust the height of lifting frame.
Smoke box assembly quality is about 10kg, and volume is about 50cm × 50cm × 50cm, and the flue gas in smoke box assembly is marked
Regular inspection examining system purges unit group by standard smoke generator, Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas
Become.Its Plays smoke generator can equalize the generation amount of being fuming, and form code and specify to rise the standard fume of cigarette speed, that is, be transported to online
The liter cigarette speed of detection smoke box is 0.015dbm-1min-1≤δm/δt≤dbm-1min-1, the particle diameter of the smoke particle in flue gas should
It is distributed between 0.5um～1.0um, once add more than ball energy steady operation 15min of being fuming, this flue gas is in particle diameter distribution, grain
The aspects such as footpath size, size composition, optical characteristics should have repeatability and stability, and can be by monitoring obscuration coefficient value m and inspection
The ratio of survey time meets in gb4715-2005 " spot-type smoke detector " and carrys out guarantee test in the range of figure solid line g.3
The stablizing of cigarette, the maximum of its obscuration coefficient value is 2dbm-1；Constant temperature standard fume supply unit is used for for described flue gas pressing setting
Thermostatic processes or is transported in described on-line checking smoke box by setting heating rate, i.e. smoke in on-line checking smoke box
Air-flow around detector is 0.2 ± 0.04m/s, and gas flow temperature should be 23 ± 5 DEG C；On-line checking smoke box unit be used for will with
Smoke fire detector load in its casing, sent into into smoke fire detector and gone out dim light after testing by detection regulatory requirements
The flue gas of demarcation of coefficient value, receives smoke fire detector sound and light alarm signal, and transfers data to hand-held touch control
System screen, assigns test result for testing staff's analysis, flue gas is dense when described smoke fire detector sends fire alarm signal
The known obscuration coefficient value of degree is more than 0.05dbm with the response lag of described smoke fire detector-1When, judge described sense pyrotechnics
Fire detector lost efficacy；Flue gas purges unit and is used for replacing the flue gas of residual in a detection process, does standard for next detection process
Standby.
The present invention portable smoke fire detector response lag detection means, comprises the following steps:
1) first open client operation form；
2) check and correction instrument readings (zero point) before working first, by the reading (zero in the reading of measuring instrument and pure air
Point) compare, measured deviation not should be greater than 0.02db/m；
3) smoke fire detector is loaded instrument detection station, click on lifting jack elevating control window manually, pin act
Rise device and rise or fall knob, observe display video, instrument is aligned with by inspection smoke fire detector；
4), after click sends power-on command manually, host work program starts.
The host computer system of the present invention, comprises the following steps:
1) open infrared emission tube dc1.5v supplying DC solid-state relay infrared emission tube is powered；Pickup images
Machine, temperature, air velocity transducer, the conveying of photocell obscuration coefficient voltage signal are started working.
2) open ac220v blower fan supply and AC solid-state relay, rotation speed of fan is adjusted to 90% duty cycle, and presses
Air velocity transducer in real time the data judging of passback and by wind speed regulation motor dc24v supplying DC reversing switch switch to acceleration or
Deceleration regime, opens wind speed regulation motor dc24v supplying DC solid-state relay and wind speed regulation motor is powered, to wind speed sensing
Till the data of device passback in real time reaches wind speed setting value, close wind speed and adjust motor dc24v supplying DC solid-state relay pair
Wind speed adjusts motor and stops power supply, and blast velocity control is gone to controlled wind speed regulation motor dc24v supplying DC solid-state relay
Dutycycle, presses setting value monitoring adjustment wind speed in real time.
3) press design temperature and control semiconductor chilling plate work, the temperature data beamed back by detection zone temperature sensor first
Determine that semiconductor chilling plate working condition is refrigeration or heats state, that is, instruct semiconductor chilling plate supplying DC reversing switch work
Make；Determine semiconductor chilling plate work duty by the temperature data that the mensure adjacent temperature sensor of semiconductor chilling plate is beamed back again
Ratio controls the respective operation range of semiconductor chilling plate supplying DC solid-state relay respectively by the temperature signal of real-time feedback
Time is it is ensured that each region is in the range of the operating temperature setting and temperature rate；Then fan air inlet and detection zone temperature are pressed
The temperature data that the degree arbitrary temperature sensor of sensor is beamed back determines the dutycycle that semiconductor chilling plate each works, to ensure to examine
Survey area's temperature in setting working range.Preferentially, semiconductor chilling plate has 4 pieces, also can increase block number to ensure the equal of temperature
Weighing apparatus.
4) when detection zone wind speed, temperature reach setting value requirement, open igniting dc24v supplying DC solid-state relay pair
Post heating and gasifying of being fuming is fuming, and closes igniting dc24v supplying DC solid-state relay to being sent by inspection equipment during sound and light alarm signal
Device, post of being fuming stops gasification and is fuming.
5) record pickup video camera receive by inspection smoke fire detector first time sent sound and light alarm signal when
Fully synchronized data, including time, detection zone temperature, wind speed, flue gas obscuration coefficient and is sent sound and light alarm video by inspection equipment
Store and be subject in inspection facility information storehouse to corresponding.Known to the flue gas concentration when smoke fire detector sends fire alarm signal
Obscuration coefficient value is more than 0.05dbm with the response lag of smoke fire detector-1When, judge that smoke fire detector lost efficacy.
6) lifting jack declines automatically, opens displacement valve, and blower fan sucks fresh air and installed by inspection equipment from detection zone
The flue gas through continuous dilution for the mouth blowout, closes displacement valve up to being stopped sending by inspection equipment, lifting jack is automatic during sound and light alarm
Rise 50mm to reset, enter second detection process.Preferably, lifting jack down position is 50mm.
7) repeat the 4th) to 6) step, whole during the sound and light alarm signal that record second and third time are sent by inspection equipment
Synchrodata, including time, detection zone temperature, wind speed, flue gas obscuration coefficient with sent sound and light alarm video by inspection equipment and store
It is subject in inspection facility information storehouse to corresponding.
8) click on lifting jack elevating control window manually, pin lifting jack and decline knob, instrument is separated with by inspection equipment
And drop to instrument safety moving height, start next and be subject to the detection of inspection equipment or shut down.
The present invention portable smoke fire detector response lag detection means also includes directional error is detected: 0～
Smoke density between 2db/m, measure error not should be greater than (m × 5%+0.02) db/m.Before measuring every time, the reading of measuring instrument
Must be compared with the reading (zero point) in pure air, measured deviation not should be greater than 0.02db/m.
Smoke box lifting jack by lifting frame assembly 12, electric linear push rod 14, smoke box top dead center position sensor 47 and controls
System forms.After opening client operation form, pin lifting jack and rise or fall knob, the elongation of electric linear push rod or contracting
Short, lifting frame will rise or fall, and control system lock when instrument top dead center position sensor input top dead center position signal
Rise knob, make lifting frame can not continue to rise.
Fig. 2 is smoke box assembly structure schematic diagram, and Fig. 2 a is smoke box assembly main view profile, and Fig. 2 b cuts open for smoke box assembly left view
Face figure, Fig. 2 c is smoke box assembly top plan view.Flue gas occurs demarcation detecting system to be arranged in smoke box assembly, with reference to Fig. 2 a,
Smoke box assembly 15 is electroluminescent by blower fan assembly 21, cylinder base 22 of being fuming, air inlet temperature sensor 23, heat exchange posts 24, the temperature difference
Cold assembly 25, radiator fan 26, pickup video camera 30, fan house return air inlet temperature sensor 34, fan house 35, survey smoke-box wind speed
Sensor 39, survey smoke-box return air inlet temperature sensor 40, survey smoke-box 41, thermal insulation layer 42, survey smoke-box return air uniform device 43, survey smoke-box
Sealing ring 46, smoke box top dead centre limit sensors 47,850nm photometer measurement probe assembly emitting head 50, survey smoke-box air intake are equal
Cloth device 53, survey smoke-box intake air temperature sensor 55, survey smoke-box temperature sensor 57, electric air volume adjusting valve assembly 60, blower fan
Room air outlet temperature sensor 61, smoke-box driving plate 64,850nm photometer measurement probe receiving terminal assembly 73 form.Wherein, pacify
Be contained on the fixing excessive heightening rod 14 of lifting arm connecting bolt 17 of smoke box assembly 15 bottom, aviation plug 16 with control cable 13
To connection.
Wherein survey smoke-box 41 and be arranged on top, fan house 35 is arranged on middle part, and smoke box seat 18 is arranged on bottom, and three connects
Become one and be monolithically fabricated smoke box assembly 15 cabinet, remaining part is installed in survey smoke-box 41, fan house 35, the corresponding work(of smoke box seat 18
In energy area.
These parts composition standard smoke generator, Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas blow
Sweep four functional units of unit.Wherein, described standard smoke generator can equalize the generation amount of being fuming, and the particle diameter of the smoke particle in flue gas divides
Cloth, in 0.5um～1.0um, forms code and specifies to rise the standard fume of cigarette speed；Described constant temperature standard fume supply unit is used for
Described flue gas is processed by design temperature constant temperature or is transported in described on-line checking smoke box by setting heating rate；Described online
Detection smoke box unit be used for by smoke fire detector load in its casing, by detection regulatory requirements to smoke visit
Survey the flue gas of demarcation that feeding in device goes out obscuration coefficient value after testing, receive smoke fire detector sound and light alarm signal, and will
Data is sent to hand-held touch control screen, assigns test result for testing staff's analysis, when described smoke fire detector is sent out
Go out the known obscuration coefficient value of flue gas concentration and the response lag of described smoke fire detector during fire alarm signal to be more than
0.05dbm-1When, judge that described smoke fire detector lost efficacy；Described flue gas purging unit is used for replacing in a detection process
The flue gas of residual, prepares for next detection process.
With reference to Fig. 2 a and Fig. 3, standard smoke generator is made up of combustion tube 20 and cylinder base 22 of being fuming, and is arranged on fan house 35 bottom
Return air area edge, wherein combustion tube 20 draw line terminals 76, ceramic insulator 77, cover 78 of being fuming, cylinder base of being fuming by heating wire
Hook hole 79, positive electrode 80, heating wire 81, the standard column of smoke 82, column of smoke shield air duct 83, ground connection negative electrode 84 form.When smoke-box drives
Dynamic plate 64 by mainboard 10 instruct to heating wire draw line terminals 76 power supply when, heating wire 81 be heated to form 400 DEG C～600 DEG C red-hot
Body, the standard column of smoke 82 gasifies on this glower and is fuming, when mainboard 10 instructs and draws line terminals 76 power-off to heating wire, electric heating
Silk 81 temperature drop to rapidly less than 400 DEG C, and the standard column of smoke 82 stops gasification and is fuming.Wherein, the outside of the standard column of smoke 82 is cased with cigarette
Post protects air duct 83, and heating wire 81 one end of 82 in the standard column of smoke is connected to positive electrode 80, and one end is connected to ground connection negative electrode 84；
Heating wire lead-out wire 75 is connected to heating wire and draws line terminals 76, and the upper end drawing line terminals 76 in heating wire is provided with ceramic insulation
Son 77.In more detail, it is provided be fuming cover 78 and cylinder base hook hole 79 of being fuming on the left of combustion tube 20.Combustion tube 20 be fuming
Cylinder cable 19 is connected, and is arranged on smoke box seat 18.
With reference to Fig. 2 and Fig. 2 a, Winkler's foundation flue gas supply unit surveys smoke-box 41 and in fan house 35 constitutes by being arranged on
Blower fan assembly 21 in the air channel of chamber, cylinder base 22 of being fuming, air inlet temperature sensor 23, heat exchange posts 24, thermoelectric (al) cooling
Assembly 25, radiator fan 26, fan house return air inlet temperature sensor 34, fan house 35, survey smoke-box air velocity transducer 39, survey smoke-box
Return air inlet temperature sensor 40, survey smoke-box 41, thermal insulation layer 42, survey smoke-box return air uniform device 43, survey smoke-box sealing ring 46, survey smoke-box
Air intake uniform device 53, survey smoke-box intake air temperature sensor 55, survey smoke-box temperature sensor 57, electric air volume adjusting valve assembly
60th, fan house air outlet temperature sensor 61, by inspection smoke fire detector and the control system group that is arranged in smoke box seat 18
Become, wherein, survey smoke-box sealing ring 46 and press examined smoke fire detector external diameter specification selection, in case leak-stopping cigarette.Blower fan during work
Assembly 21 starts air-supply, and when smoke-box driving plate 64 presses mainboard instruction beginning constant temperature or heating and cooling, fan house return air inlet temperature passes
Sensor 34, survey smoke-box intake air temperature sensor 55, fan house air outlet temperature sensor 61 by its adjacent thermoelectric (al) cooling group
Part 25 output temperature feeds back to mainboard 10, and mainboard 10 instruction smoke-box driving plate 64 controls thermoelectric cooling module 25 non-overloading work
Make, air inlet temperature sensor 23, the temperature data of survey smoke-box temperature sensor 57 detection feed back to as design temperature
Mainboard 10, mainboard 10 instruction smoke-box driving plate 64 controls thermoelectric cooling module 25 to heat or freeze, until it reaches and maintain instrument
Device is operated in design temperature.Survey smoke-box air velocity transducer 39 and air speed data is fed back to mainboard 10, mainboard 10 instructs electronic air quantity
Regulating valve assembly 60 is adjusted surveys flue gas flow rate in smoke-box 41, until it reaches and maintain flue gas flow rate in survey smoke-box 41 to be operated in setting
Flow velocity, wherein surveys smoke-box return air uniform device 43, surveys the uniformity dress that smoke-box air intake uniform device 53 is flue gas flow rate in survey smoke-box 41
Put it is ensured that surveying smoke-box 41 cloth wind unanimously, flue gas obscuration coefficient value is in the deviation range allowing.
In the present invention, it is provided with cylinder base 22 of being fuming on the left of blower fan assembly 21 it may be preferable that being connected with fan power line 68
The surface of blower fan assembly 21 be provided with air inlet temperature sensor 23, be provided with heat exchange posts above cylinder base 22 of being fuming
24；It is sequentially provided with thermoelectric cooling module 25, radiator fan 26, wherein, thermoelectric cooling module in the left side of heat exchange posts 24
25 may be connected to thermoelectric cooling module service cable 31, and radiator fan 26 may be connected to radiator fan service cable 32.More detailed
Carefully, air inlet temperature sensor 23 is connected to air inlet temperature sensor data line 28, and both sides are provided with cross recess
Pan head screw-H type 27, top is provided with the pickup video camera 30 being connected with sound pick-up and camera data wire 29, in pickup shooting
Machine 30 is provided with pickup camera heat-insulating packing ring 36.Preferentially, in fan house 35, side is provided with and fan house return air inlet temperature
The fan house return air inlet temperature sensor 34 that sensor data cable 33 is connected；Opposite side is provided with connecting fan room air outlet temperature
The fan house air outlet temperature sensor 61 of sensor data cable 62.
Preferentially, it is provided with thermal insulation layer 42 outside survey smoke-box 41, be respectively arranged at two ends with and survey smoke-box return air inlet TEMP
Device data wire 38 be connected survey smoke-box return air inlet temperature sensor 40 and with survey smoke-box intake air temperature sensor data cable 56 phase
Survey smoke-box intake air temperature sensor 55 even；It is provided with test cigarette return air cigarette uniform device 43, right side surveying smoke-box 41 inside left
It is provided with survey smoke-box air intake uniform device 53.Preferentially, it is respectively arranged at two ends with and fan house return air inlet temperature sensor in fan house 35
Data wire 33 be connected fan house return air inlet temperature sensor 34 and be connected with fan house air outlet temperature sensor data line 62
Fan house air outlet temperature sensor 61.It is provided with multiple and smoke box top dead centre limit sensors data in the upper end surveying smoke-box 41
The smoke box top dead centre limit sensors 47 that line 48 is connected, are provided with survey smoke-box sealing ring 46, are provided with survey cigarette on the top surveying smoke-box 41
Room sealing ring 46, is provided with survey smoke-box sealing ring flange hinge axis 45 and surveys smoke-box sealing ring flange surveying smoke-box sealing ring 46 left end
Hinge bolt 44, right-hand member is provided with survey smoke-box sealing ring flange 51 and surveys smoke-box sealing ring flange lock bolt.Electronic air quantity is adjusted
Valve assembly 60 connects electric air volume adjusting valve cable 59, in the lower section of electric air volume adjusting valve assembly 60 equipped with cross recess coiled hair
Screw-H type m4 × 12.It is connected to cigarette surveying equipped with smoke-box driving plate 64, smoke-box driving plate power supply supply lines 69 on the right side of smoke-box 41
Room driving plate power supply 67, is then connected to smoke-box driving plate 64, smoke-box driving plate control line 65 by smoke-box driving plate power line 66
Pick out from smoke-box driving plate 64.With reference to Fig. 2 a, 2b, 2c, on-line checking smoke box unit is taken the photograph by the pickup being arranged on survey smoke-box 41
Camera 30, survey smoke-box air velocity transducer 39,850nm photometer measurement probe assembly emitting head 50, survey smoke-box temperature sensor 57,
850nm photometer measurement pops one's head in receiving terminal assembly 73 and the control system composition being arranged in smoke box seat 18.When pickup video camera
30 when detecting the sound and light alarm signal that smoke fire detector sends, and sends data to mainboard 10, mainboard 10 locks simultaneously
The synchronous period flue gas data of 850nm photometer measurement probe receiving terminal assembly 73 detection is the response of this smoke fire detector
Value, whether data storage simultaneously judges it in threshold value.Preferentially, it is provided with survey smoke-box 41 and be connected with survey smoke-box air velocity transducer number
According to the survey smoke-box air velocity transducer 39 of line 37, pop one's head in 850nm photometer measurement and launch the 850nm photometer that end cable 54 is connected
Measuring probe assembly emitting head 50, and the survey smoke-box temperature sensor 57 being connected with survey smoke-box temperature sensor data line 58,
Wherein, the outside in 850nm photometer measurement probe assembly emitting head 50 is provided with 850nm photometer measurement probe dust cover 70,
It is provided with Cross Recess Head Screw 71 above 850nm photometer measurement probe dust cover 70；It is provided with 850nm in the front end surveying smoke-box 41
Photometer measurement probe receiving terminal assembly 73,850nm photometer measurement probe receiving terminal assembly 73 is visited with 850nm photometer measurement
Head receives end cable 72 and is connected, and is provided with 850nm photometer measurement probe on 850nm photometer measurement pops one's head in receiving terminal assembly 73
Dust-proof hood seal gasket 74.
Flue gas purging unit by the control system being arranged in smoke box seat 18, be arranged on input on fan house 35 suction side new
The displacement valve of fresh air, formed by surveying the exhaust gases passes that smoke-box 41 and fan house 35 inner chamber formed, wherein exhaust gases passes be by
The blower fan assembly 21 in air channel, cylinder base 22 of being fuming, survey smoke-box 41, survey smoke-box return air uniform device 43, survey in the smoke box assembly 15 constituting
Smoke-box sealing ring 46, survey smoke-box air intake uniform device 53, electric air volume adjusting valve assembly 60, by inspection smoke fire detector form.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of smoke fire detector response lag detection means, defeated including smoke box lifting jack, the input of smoke box assembly data
Go out human-computer interface system it is characterised in that described smoke box lifting jack is located at the bottom of described smoke box assembly, including lifting frame, push away
Bar, and elongating or shortening with push rod, lifting frame will rise or fall；Include standard in described smoke box assembly to be fuming
Device, Winkler's foundation flue gas supply unit, on-line checking smoke box unit and flue gas purging four functional units of unit；Described smoke box is total
The top becoming is provided with opening and sealing ring, and the size of described opening can house smoke detector just；Described data input output
Human-computer interface system is built-in with client software, described client software in the way of radio communication with smoke box lifting jack, smoke box
There is data message interaction in assembly；
Described client software can show and store the phonotape and videotape of smoke-box in smoke box assembly, temperature, wind speed, obscuration coefficient data；
Described client software also includes smoke box lifting jack and controls window, after opening client operation form, pins lifting jack and rises
Or decline knob, push rod can be controlled to elongate or shorten, lifting frame will rise or fall therewith；
Described on-line checking smoke box unit is used for sending into the demarcation going out obscuration coefficient value after testing into smoke fire detector
Flue gas, receives smoke fire detector sound and light alarm signal, assigns test result for testing staff's analysis, when described smoke
Detector sends the threshold of response of the known obscuration coefficient value of flue gas concentration and described smoke fire detector during fire alarm signal
Value is more than 0.05dbm-1When, judge that described smoke fire detector lost efficacy；
Described Winkler's foundation flue gas supply unit is by blower fan assembly (21), cylinder base of being fuming (22), air inlet temperature sensor
(23), heat exchange posts (24), thermoelectric cooling module (25), radiator fan (26), fan house return air inlet temperature sensor (34),
Fan house (35), survey smoke-box air velocity transducer (39), survey smoke-box return air inlet temperature sensor (40), survey smoke-box (41), thermal insulation layer
(42), survey smoke-box return air uniform device (43), survey smoke-box sealing ring (46), survey smoke-box air intake uniform device (53), survey smoke-box air inlet
Temperature sensor (55), survey smoke-box temperature sensor (57), electric air volume adjusting valve assembly (60), fan house air outlet temperature pass
Sensor (61), the control system being subject to inspection smoke fire detector and being arranged in smoke box seat (18) form.
2. a kind of smoke fire detector response lag detection means as claimed in claim 1, wherein, described data input is defeated
Going out human-computer interface system is dress upper computer software on the mobile apparatus and database.
3. a kind of smoke fire detector response lag detection means as claimed in claim 1, wherein, described radio communication is
One of purple honeybee, wifi, bluetooth, rf or more than one.
4. a kind of smoke fire detector response lag detection means as described in claim 1 or 2 or 3, wherein, described smoke box
Assembly quality is less than l0kg, and volume is less than 50cm × 50cm × 50cm.
5. a kind of smoke fire detector response lag detection means as described in claim 1 or 2 or 3, wherein, described temperature control
Standard fume supply unit be used for processing described flue gas by design temperature constant temperature or by set heating rate be transported to described
In line detection smoke box.
6. a kind of smoke fire detector response lag detection means as described in claim 1 or 2 or 3, wherein, described flue gas
Purging unit is used for replacing the flue gas of residual in a detection process, prepares for next detection process.
7. a kind of smoke fire detector response lag detection means as described in claim 1 or 2 or 3, wherein, described online
Detection smoke box unit includes pickup video camera, air velocity transducer, temperature sensor, 850nm photometer measurement probe；Described pickup
Video camera, air velocity transducer and temperature sensor are respectively intended to detect sound and light signal in smoke-box, wind velocity signal and temperature signal；
Described 850nm photometer measurement is popped one's head in for detecting the flue gas concentration in smoke-box.
8. a kind of smoke fire detector response lag detection means as described in claim 1 or 2 or 3, wherein, described sense cigarette
Air-flow velocity around fire detector is 0.2 ± 0.04m/s, and gas flow temperature should be 23 ± 5 DEG C and is transported to described on-line checking
The liter cigarette speed of smoke box is 0.o15dbm-1min-1≤δm/δt≤0.1dbm-1min-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251100.1A CN103994986B (en) | 2014-01-17 | 2014-06-06 | Portable type device for detecting response threshold of smoke fire detector |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410024275.9 | 2014-01-17 | ||
| CN201410024275 | 2014-01-17 | ||
| CN2014100242759 | 2014-01-17 | ||
| CN201410251100.1A CN103994986B (en) | 2014-01-17 | 2014-06-06 | Portable type device for detecting response threshold of smoke fire detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994986A CN103994986A (en) | 2014-08-20 |
| CN103994986B true CN103994986B (en) | 2017-01-18 |
Family
ID=51309210
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251098.8A Active CN104014099B (en) | 2014-01-17 | 2014-06-06 | A kind of smoke fire detector response lag on-line measuring device |
| CN201410251100.1A Active CN103994986B (en) | 2014-01-17 | 2014-06-06 | Portable type device for detecting response threshold of smoke fire detector |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251098.8A Active CN104014099B (en) | 2014-01-17 | 2014-06-06 | A kind of smoke fire detector response lag on-line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104014099B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014099B (en) * | 2014-01-17 | 2018-03-02 | 徐继承 | A kind of smoke fire detector response lag on-line measuring device |
| CN105136978B (en) * | 2015-07-14 | 2017-03-01 | 营口天成消防设备有限公司 | Demarcate smoke box |
| CN110243739B (en) * | 2019-06-21 | 2020-01-17 | 广东荣业消防工程有限公司 | Portable fire scene environment detection device |
| CN110751817B (en) * | 2019-10-23 | 2021-10-08 | 应急管理部沈阳消防研究所 | Device and method for testing response performance of fire detector in low-temperature environment |
| CN110780043B (en) * | 2019-11-21 | 2022-01-04 | 深圳市泛海三江电子股份有限公司 | Method for obtaining high-precision detector orientation test result |
| CN113450527B (en) * | 2020-03-27 | 2023-03-14 | 比亚迪股份有限公司 | Method, device and system for testing smoke perception function |
| CN114923510A (en) * | 2022-05-10 | 2022-08-19 | 中广核核电运营有限公司 | Threshold value inspection device and threshold value inspection method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105370A (en) * | 1988-04-14 | 1992-04-14 | Fike Corporation | Environmental detection system useful for fire detection and suppression |
| US5552765A (en) * | 1993-07-12 | 1996-09-03 | Detection Systems, Inc. | Smoke detector with individually stored range of acceptable sensitivity |
| CN101361104A (en) * | 2005-11-24 | 2009-02-04 | 萨塔有限公司 | Test equipment for testing hazard detectors |
| CN102163364A (en) * | 2011-03-23 | 2011-08-24 | 长春理工大学 | Smoke detector sensitivity detecting device based on obscuration principle |
| CN201993877U (en) * | 2011-04-28 | 2011-09-28 | 四川汉宇航空科技有限公司 | Smog box for detecting smog detector |
| CN201988092U (en) * | 2011-01-06 | 2011-09-28 | 宝钢发展有限公司 | Visual dedicated multifunctional tool for fire fighting in ultrahigh space |
| CN104014099A (en) * | 2014-01-17 | 2014-09-03 | 徐继承 | Online detecting device for response threshold value of smoke fire detector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0010558D0 (en) * | 2000-05-02 | 2000-06-21 | No Climb Prod Ltd | Ducted test tool |
| GB2409319B (en) * | 2003-12-16 | 2006-11-15 | Sata Ltd | Synthetic smoke generator and smoke detector tester using such a generator |
| GB0427229D0 (en) * | 2004-12-13 | 2005-01-12 | Sata Ltd | Synthetic smoke generator and smoke detector tester using such a generator |
| CN101923767B (en) * | 2010-07-30 | 2012-09-19 | 蚌埠依爱消防电子有限责任公司 | Smoke-sensitive fire detector auto-calibrating device |
| CN202105358U (en) * | 2011-04-15 | 2012-01-11 | 苏州热工研究院有限公司 | Tester of smoke detector |
-
2014
- 2014-06-06 CN CN201410251098.8A patent/CN104014099B/en active Active
- 2014-06-06 CN CN201410251100.1A patent/CN103994986B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105370A (en) * | 1988-04-14 | 1992-04-14 | Fike Corporation | Environmental detection system useful for fire detection and suppression |
| US5552765A (en) * | 1993-07-12 | 1996-09-03 | Detection Systems, Inc. | Smoke detector with individually stored range of acceptable sensitivity |
| CN101361104A (en) * | 2005-11-24 | 2009-02-04 | 萨塔有限公司 | Test equipment for testing hazard detectors |
| CN201988092U (en) * | 2011-01-06 | 2011-09-28 | 宝钢发展有限公司 | Visual dedicated multifunctional tool for fire fighting in ultrahigh space |
| CN102163364A (en) * | 2011-03-23 | 2011-08-24 | 长春理工大学 | Smoke detector sensitivity detecting device based on obscuration principle |
| CN201993877U (en) * | 2011-04-28 | 2011-09-28 | 四川汉宇航空科技有限公司 | Smog box for detecting smog detector |
| CN104014099A (en) * | 2014-01-17 | 2014-09-03 | 徐继承 | Online detecting device for response threshold value of smoke fire detector |
Non-Patent Citations (1)
| Title |
|---|
| 紫外火焰探测器性能综合检测平台设计;于永正;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20111215(第S1期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104014099B (en) | 2018-03-02 |
| CN104014099A (en) | 2014-09-03 |
| CN103994986A (en) | 2014-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103994986B (en) | Portable type device for detecting response threshold of smoke fire detector | |
| KR102130736B1 (en) | System and method for on-line optical monitoring within a gas turbine combustor section | |
| CN105894936B (en) | A kind of underground coal mine exogenous fire small size simulated experiment platform | |
| CN111261011B (en) | Mine fire simulation experiment platform and experiment method | |
| CN207991271U (en) | A kind of temp measuring system for detecting Strand Sintering Machine Pallet tail portion castor operating mode | |
| CN110032152A (en) | A kind of intelligent workshop management system and application method based on Internet of Things | |
| CN105445321B (en) | The detection means of combustible material hot property under the conditions of a kind of programmable temperature control | |
| CN103292835A (en) | Comprehensive detection simulation experiment device for fire detection performance | |
| CN206021744U (en) | A kind of underground coal mine exogenous fire small size simulated experiment platform | |
| WO2013047917A1 (en) | System for drying cans using near infrared rays and control method thereof | |
| WO2023124297A1 (en) | Air quality monitoring apparatus | |
| CN102915624A (en) | Detecting device and detecting method of fuel gas alarm | |
| JP2003130752A (en) | Gas leakage detector | |
| US6498322B1 (en) | Portable heating tent and method for testing telecommunications equipment | |
| US20130197855A1 (en) | Method and apparatus to determine temperature of a gas turbine engine | |
| CN206095442U (en) | Switching station temperature monitoring device | |
| CN207780572U (en) | A kind of cable duct Segmented safety TT＆C system | |
| CN107300572B (en) | System and method for testing critical thermal radiation flux of flooring material | |
| CN203732296U (en) | Circulatory heat flow testing apparatus for escape capsule | |
| CN208907835U (en) | Elevator control cabinet frequency converter monitoring device based on infrared thermal imaging | |
| CN103760188B (en) | Bedding tester for testing thermal insulation performance | |
| CN112103807B (en) | Unattended power supply and distribution management device | |
| CN109974999A (en) | A kind of superheater reheater oxide skin falls off dynamic simulant test apparatus and method | |
| CN213365513U (en) | Intelligent warehousing system | |
| CN110020641A (en) | Fire-fighting equipment long-distance monitoring method, device, electronic equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |