CN104721929B - A kind of respirator cut-off equipment - Google Patents
A kind of respirator cut-off equipment Download PDFInfo
- Publication number
- CN104721929B CN104721929B CN201510129240.6A CN201510129240A CN104721929B CN 104721929 B CN104721929 B CN 104721929B CN 201510129240 A CN201510129240 A CN 201510129240A CN 104721929 B CN104721929 B CN 104721929B
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- transfer conduit
- hole
- grafting
- rectifying
- cutoff
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Abstract
A kind of respirator cut-off equipment, including rectifying frame (1), honeycomb rectifying component (2), transfer conduit (3), flexible boot (4), outer connecting pipe (5), silica gel connector (6) and sensor (7), described transfer conduit (3) is tubular member, left end is air inlet, and right-hand member is gas outlet；Described air inlet connects rectifying frame (1), clamping in the groove of described gas outlet insertion flexible boot (4), described flexible boot (4) endoporus is plugged with outer connecting pipe (5), described transfer conduit (3) top disalignment certain distance is interval with cutoff hole post, and the endoporus of described transfer conduit (3) communicates with the endoporus of described cutoff hole post；Being plugged with silica gel connector (6) on the cutoff hole post of described transfer conduit (3), described silica gel connector (6) connects sensor (7)；Honeycomb rectifying component (2) it is provided with between described transfer conduit (3) and rectifying frame (1).Above-mentioned cut-off equipment coordinates the rectified action of honeycomb rectifying component by the current stabilization of cross so that gas becomes laminar condition completely, and forms pressure drop, it is simple to detected gas flow and pressure.
Description
Technical field
The present invention relates to respirator measurement and control area, be specifically related to a kind of respirator cut-off equipment.
Background technology
It is to treat chronic obstructive pulmonary disease (COPD) at present and breathe sleep temporarily that application woundless positive pressure respirator is manually supplied gas
Stop the important measures of syndrome, more and more commonly used in clinic.Man-machine synchronization refers to that respirator is supplied gas the air-breathing of opportunity and patient
Process that initial time is consistent, respirator is supplied gas is consistent with patient's moment inspiratory demand, respirator inspiration-expiration changes time and patient
Unanimously.Synchronize assisted respiartion machine and be conducive to gas distribution in lung, reduce the recovery breathing muscle disuse atrophy, beneficially patient.
Synchronize to assist the effect supplied gas and comfortableness to depend on can reaching preferably " synchronism between human and machine ".And research and develop the triggering of accuracy of judgement
Algorithm, then be the flow velocity with air-flow accurately and pressure be determined as basis.
Gas in respirator sprays from blower fan gas outlet after blower fan pressurizes, and gas has certain flow velocity and pressure, to patient
Produce therapeutical effect.In order to preferably grasp treatment situation, understand the situation of patient, provide more preferable comfortableness to patient, exhale
Suction machine, it is to be appreciated that real-time gas pressure and flow velocity, gathers the spot of real-time pressure and flow velocity just at cut-off equipment.
Cut-off equipment effect in respirator air flue is in addition to convenient collection data, it is necessary to have the function of rectification.Blower fan blows
The gas gone out is not steady air flow, is generally of bigger disturbance, if directly gathering the air-flow of blower fan blowout, obtain will not
It is stable data, algorithm every in software is had a great impact, meanwhile, patient also can be allowed to do not feel like oneself.
Summary of the invention
The problem existed for above-mentioned prior art, it is an object of the invention to provide and a kind of be easy to cutting of accurate detected gas flow velocity and pressure
Stream device.
The present invention is achieved in that a kind of respirator cut-off equipment, including rectifying frame, honeycomb rectifying component, transfer conduit, soft
Property set, outer connecting pipe, silica gel connector and sensor, described transfer conduit is tubular member, and left end is air inlet, and right-hand member is for going out
QI KOU；Described air inlet connects rectifying frame, and clamping in the groove of described gas outlet insertion flexible boot, in described flexible boot endoporus
Being plugged with outer connecting pipe, above described transfer conduit, disalignment certain distance is interval with cutoff hole post, described transfer conduit
Endoporus communicate with the endoporus of described cutoff hole post；Silica gel connector, described silicon it is plugged with on the cutoff hole post of described transfer conduit
Glue connector connects sensor；Honeycomb rectifying component it is provided with between described transfer conduit and rectifying frame.
Further, described cutoff hole post includes the first cutoff hole post, the second cutoff hole post and the 3rd cutoff hole post, described silica gel
Connector has the first grafting through hole, the second grafting through hole and the 3rd grafting through hole arranged with cutoff hole post same intervals, described
Sensor includes before rectification flow transducer and pressure transducer after flow transducer, rectification, described first grafting through hole, second
The inlet end of grafting through hole and the 3rd grafting through hole is corresponding respectively is inserted into the first cutoff hole post of described transfer conduit, second dam
On Kong Zhu and the 3rd cutoff hole post；In the outlet side of described first grafting through hole, the second grafting through hole and the 3rd grafting through hole respectively
It is provided with before described rectification after flow transducer, rectification pressure transducer after flow transducer and rectification.
Further, described rectifying frame includes lid, arranges the interior card top of lid portion inside, and described lid top has opening,
Being provided with cross at overthe openings, the inner circumferential surface of described lid has lid connecting portion.
Further, inside described transfer conduit air inlet, it is provided with shutoff ring, shutoff ring is provided with interior fastener, described switching
Connecting portion and fastener it is provided with outside conduit air inlet.
Further, described honeycomb rectifying component has multiple cellular aperture, upper surface fixed groove and the lower surface being disposed adjacent
Fixed groove.
Further, described honeycomb rectifying component outer peripheral face coordinates with the inner peripheral surface of described transfer conduit, and described interior fastener is connected to
The bottom of described lower surface fixed groove, the lid connecting portion of described rectifying frame and the connecting portion of described transfer conduit；When described lid
When body connecting portion terminates in the described fastener of transfer conduit, upper surface fixed groove is inserted and terminates at the interior card top of described rectifying frame
Bottom.
The application solves " the how pressure of accurate detected gas and stream from air flue given vent to anger by respirator blower fan by the design of following technology
Speed " technical problem, i.e. cross current stabilization coordinate honeycomb rectifying component rectified action, the current stabilization effect of cross makes air-flow
Laminar flow is become from turbulent flow, and through the cellular aperture of honeycomb rectifying component so that gas becomes laminar condition completely, laminar flow gas
Body forms a constant pressure drop at inlet end and outlet side, and differential pressure pick-up can be allowed to draw the flow velocity that gas is current.The one of cross
The secondary rectification of secondary rectification and honeycomb rectifying component is functionally to interact, and the total technique effect coordinated before and after the two is more than
The technique effect sum being used alone.
Accompanying drawing explanation
Fig. 1 is the main sectional view of the cut-off equipment of the embodiment of the present invention.
Fig. 2 is the left view of the cut-off equipment of the embodiment of the present invention.
Fig. 3 is the explosive view of the cut-off equipment of the embodiment of the present invention.
Reference in above-mentioned figure:
1 rectifying frame, 2 honeycomb rectifying components, 3 transfer conduit, 4 flexible boot, 5 outer connecting pipes, 6 silica gel connectors, 7 sensings
Device
1.1 lids, in 1.2 card top, 1.3 crosses, 1.4 lid connecting portions；
2.1 cellular apertures, 2.2 upper surface fixed grooves, 2.3 lower surface fixed grooves；
3.1 first cutoff hole posts, 3.2 second cutoff hole posts, 3.3 the 3rd cutoff hole posts, 3.4 shutoff rings, locking in 3.5
Portion, 3.6 fasteners, 3.7 connecting portions, 3.8 first locating dowels, 3.9 second locating dowels；
5.1 locking flanges, 5.2 clamping joints
6.1 first grafting through holes, 6.2 second grafting through holes, 6.3 the 3rd grafting through holes
Flow transducer before 7.1 rectifications, flow transducer after 7.2 rectifications, pressure transducer after 7.3 rectifications
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but be not limited to the scope of the present invention.
Embodiment 1
A kind of respirator cut-off equipment, including transfer conduit 3, described transfer conduit 3 is tubular member, and left end is air inlet, right
End is gas outlet；Air inlet connects rectifying frame 1, clamping in the groove of described gas outlet insertion flexible boot 4, described flexible boot 4
Being plugged with outer connecting pipe 5 in endoporus, described transfer conduit 3 is plugged with silica gel connector 6, described silica gel connector 6 connects biography
Sensor 7；It is provided with honeycomb rectifying component 2 between described transfer conduit 3 and rectifying frame 1.
Above described transfer conduit 3, disalignment certain distance is interval with first cutoff hole post the 3.1, second cutoff hole post 3.2
With the 3rd cutoff hole post 3.3, the endoporus of described transfer conduit 3 and described first cutoff hole post the 3.1, second cutoff hole post 3.2 and
The endoporus of the 3rd cutoff hole post 3.3 communicates.It is provided with shutoff ring 3.4, at shutoff ring 3.4 inside described transfer conduit 3 air inlet
It is provided with interior fastener 3.5, outside air inlet, is provided with connecting portion 3.7 and fastener 3.6.Described transfer conduit 3 also includes first
Locating dowel 3.8 and the second locating dowel 3.9, described first locating dowel 3.8 and the second locating dowel 3.9 are used for positioning and supporting circuit
Plate.
Described silica gel connector 6 has first grafting through hole the 6.1, the second grafting through hole 6.2 arranged with cutoff hole post same intervals
With the 3rd grafting through hole 6.3.Described first grafting through hole the 6.1, second grafting through hole 6.2 and the air inlet of the 3rd grafting through hole 6.3
End corresponding the first cutoff hole post the 3.1, second cutoff hole post 3.2 and the 3rd cutoff hole post being inserted into described transfer conduit 3 respectively
On 3.3.It is respectively equipped with in the outlet side of described first grafting through hole the 6.1, second grafting through hole 6.2 and the 3rd grafting through hole 6.3
Pressure transducer 7.3 after flow transducer 7.2 and rectification after flow transducer 7.1, rectification before rectification.
Described rectifying frame 1 includes lid 1.1, arranges the interior card top 1.2 of lid portion inside, and described lid top has opening,
Overthe openings is provided with cross 1.3, and the inner circumferential surface of described lid has lid connecting portion 1.4.
Described honeycomb rectifying component 2 has multiple cellular aperture 2.1, upper surface fixed groove 2.2 and the lower surface being disposed adjacent
Fixed groove 2.3, described honeycomb rectifying component 2 has rectification and gathers the function of airstream data.Described honeycomb rectifying component 2 periphery
Face coordinates with the inner peripheral surface of described transfer conduit 3, and described interior fastener 3.5 is connected to the end of described lower surface fixed groove 2.3
Portion, the lid connecting portion 1.4 of described rectifying frame 1 is fixing with the connecting portion 3.7 of described transfer conduit 3 to be connected；When described lid
When connecting portion 1.4 terminates in the described fastener 3.6 of transfer conduit 3, the interior card top 1.2 of described rectifying frame 1 is inserted and is terminated in
The bottom of upper surface fixed groove 2.2.
Described flexible boot is silica gel material.Described outer connecting pipe 5 is provided with locking flange 5.1 and clamping joint 5.2.
Described rectifying frame 1 is threaded connection, the mode of clamping or ultrasonic bonding connects the air inlet of transfer conduit 3.Described
The groove of flexible boot 4 and the gas outlet interference fit of described transfer conduit 3.The inlet end interference fit ground of described outer connecting pipe 5
Inserting in the endoporus of described flexible boot 4 clamping and be locked flange 5.1 and stop, the sealing property of reason silica gel material ensures to connect
Air tight, air-flow smoothes out.
Air-flow, after blower fan gas outlet arrives cut-off equipment, first passes around rectifying frame 1, and the cross 1.3 of rectifying frame 1 is to gas
Body plays the effect of current stabilization, but gas advance process will not be made to be obstructed, if using other forms will not reach rectification
Effect.Rectifying frame 1 is connected with the air inlet of transfer conduit 3, described cross 1.3 in the air flue of upstream, described lid 1.1
Outside the air flue of upstream, play best rectification effect, long or too short all do not reach rectification effect, affect therapeutic effect.Gas
After rectifying frame 1 is stable, will be by honeycomb rectifying component 2, honeycomb rectifying component 2 is that a circle with cellular aperture is moulded
Materials and parts, it air-flow is played second time rectification and formed pressure reduction effect, air-flow is when honeycomb rectifying component 2, in honeycomb rectification
The inlet end of part 2 and outlet side form a constant pressure drop, by this pressure drop, differential pressure pick-up can be allowed to draw the flow velocity that gas is current.
The application solves " the how pressure of detected gas and flow velocity from air flue given vent to anger by respirator blower fan " by the design of following technology
The current stabilization of technical problem, i.e. cross 1.3 coordinates the rectified action of honeycomb rectifying component 2, and the current stabilization effect of cross 1.3 makes
Air-flow is become laminar flow from turbulent flow, and through the cellular aperture of honeycomb rectifying component 2 so that gas becomes laminar condition completely,
Laminar gas forms a constant pressure drop at inlet end and outlet side, and differential pressure pick-up can be allowed to draw the flow velocity that gas is current.Cross
Rectification of frame and the secondary rectification of honeycomb rectifying component 2 are functionally to interact, the total technology coordinated before and after the two
Effect is more than the technique effect sum being used alone.
Claims (5)
1. a respirator cut-off equipment, including rectifying frame (1), honeycomb rectifying component (2), transfer conduit (3), flexible boot (4),
Outer connecting pipe (5), silica gel connector (6) and sensor (7), it is characterised in that described transfer conduit (3) is tubular member,
Left end is air inlet, and right-hand member is gas outlet；Described air inlet connects rectifying frame (1), and flexible boot (4) is inserted in described gas outlet
Groove in clamping, described flexible boot (4) endoporus is plugged with outer connecting pipe (5), the deviation of described transfer conduit (3) top
Centrage certain distance is interval with cutoff hole post (3.1,3.2,3.3), the endoporus of described transfer conduit (3) and described cutoff hole
The endoporus of post (3.1,3.2,3.3) communicates；It is plugged with silicon on the cutoff hole post (3.1,3.2,3.3) of described transfer conduit (3)
Glue connector (6), described silica gel connector (6) connects sensor (7)；At described transfer conduit (3) and rectifying frame (1)
Between be provided with honeycomb rectifying component (2)；Described cutoff hole post (3.1,3.2,3.3) include the first cutoff hole post (3.1), second section
Discharge orifice post (3.2) and the 3rd cutoff hole post (3.3), described silica gel connector (6) has and the setting of cutoff hole post same intervals
The first grafting through hole (6.1), the second grafting through hole (6.2) and the 3rd grafting through hole (6.3), described sensor (7) wrap
Include flow transducer (7.2) and pressure transducer (7.3), described first grafting after flow transducer (7.1), rectification before rectification
The inlet end correspondence respectively of through hole (6.1), the second grafting through hole (6.2) and the 3rd grafting through hole (6.3) is inserted into described turning
Connect on the first cutoff hole post (3.1) of conduit (3), the second cutoff hole post (3.2) and the 3rd cutoff hole post (3.3)；Institute
The outlet side stating the first grafting through hole (6.1), the second grafting through hole (6.2) and the 3rd grafting through hole (6.3) is respectively equipped with institute
State before rectification after flow transducer (7.1), rectification pressure transducer (7.3) after flow transducer (7.2) and rectification.
A kind of respirator cut-off equipment the most according to claim 1, it is characterised in that described rectifying frame (1) includes lid
Body (1.1), arranges the interior card top (1.2) of lid portion inside, and described lid top has opening, is provided with cross at overthe openings
Frame (1.3), the inner circumferential surface of described lid has lid connecting portion (1.4).
A kind of respirator cut-off equipment the most according to claim 2, it is characterised in that described transfer conduit (3) air inlet
Being provided with shutoff ring (3.4) inside Kou, be provided with interior fastener (3.5) on shutoff ring (3.4), described transfer conduit (3) enters
Connecting portion (3.7) and fastener (3.6) it is provided with outside QI KOU.
A kind of respirator cut-off equipment the most according to claim 3, it is characterised in that described honeycomb rectifying component (2) has
There is multiple cellular aperture (2.1), upper surface fixed groove (2.2) and the lower surface fixed groove (2.3) being disposed adjacent.
A kind of respirator cut-off equipment the most according to claim 4, it is characterised in that described honeycomb rectifying component (2) is outward
Side face coordinates with the inner peripheral surface of described transfer conduit (3), and described interior fastener (3.5) is connected to described lower surface fixed groove
(2.3) bottom, the lid connecting portion (1.4) of described rectifying frame (1) and the connecting portion (3.7) of described transfer conduit (3)
Fixing connection；When described lid connecting portion (1.4) terminates in described fastener (3.6) of transfer conduit (3), described rectification
The bottom of upper surface fixed groove (2.2) is inserted and terminated in the interior card top (1.2) of frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129240.6A CN104721929B (en) | 2015-03-24 | 2015-03-24 | A kind of respirator cut-off equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129240.6A CN104721929B (en) | 2015-03-24 | 2015-03-24 | A kind of respirator cut-off equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104721929A CN104721929A (en) | 2015-06-24 |
| CN104721929B true CN104721929B (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510129240.6A Expired - Fee Related CN104721929B (en) | 2015-03-24 | 2015-03-24 | A kind of respirator cut-off equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104721929B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112546367A (en) * | 2020-11-30 | 2021-03-26 | 深圳市科曼医疗设备有限公司 | Differential pressure type flow sensor and breathing machine |
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| US4289127A (en) * | 1979-10-29 | 1981-09-15 | Nelson Byron G | Breathing apparatus stabilizer |
| CN2068629U (en) * | 1990-04-16 | 1991-01-02 | 上海减压器厂 | Small oxygen feeder |
| US6915705B1 (en) * | 2002-04-03 | 2005-07-12 | Ric Investments, Inc. | Flow sensor and flow resistive element |
| CN201795822U (en) * | 2009-11-20 | 2011-04-13 | 中国航空工业空气动力研究院 | High-precision large-scale gas flow meter |
| CN202267552U (en) * | 2011-08-25 | 2012-06-06 | 合肥瑞纳表计有限公司 | Supersonic wave calorimeter current-stabilizing structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE44882T1 (en) * | 1984-02-15 | 1989-08-15 | Medical Cc Berdesac | ARRANGEMENT FOR CHANGING THE FLUID PRESSURE. |
| US8888711B2 (en) * | 2008-04-08 | 2014-11-18 | Carefusion 203, Inc. | Flow sensor |
| CN202010163U (en) * | 2011-01-28 | 2011-10-19 | 北京谊安医疗系统股份有限公司 | Flow sampling probe and flow sampling member including same |
| JP5211302B1 (en) * | 2012-09-03 | 2013-06-12 | 株式会社メトラン | Blower |
| CN203772341U (en) * | 2013-12-31 | 2014-08-13 | 北京怡和嘉业医疗科技有限公司 | Flow stabilization device for flow detection and detection device |
| CN104288883A (en) * | 2014-11-07 | 2015-01-21 | 上海医疗器械股份有限公司 | Current stabilizing structure for respiratory gas circuit |
| CN204563193U (en) * | 2015-03-24 | 2015-08-19 | 湖南明康中锦医疗科技发展有限公司 | A kind of respirator cut-off equipment |
-
2015
- 2015-03-24 CN CN201510129240.6A patent/CN104721929B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289127A (en) * | 1979-10-29 | 1981-09-15 | Nelson Byron G | Breathing apparatus stabilizer |
| CN2068629U (en) * | 1990-04-16 | 1991-01-02 | 上海减压器厂 | Small oxygen feeder |
| US6915705B1 (en) * | 2002-04-03 | 2005-07-12 | Ric Investments, Inc. | Flow sensor and flow resistive element |
| CN201795822U (en) * | 2009-11-20 | 2011-04-13 | 中国航空工业空气动力研究院 | High-precision large-scale gas flow meter |
| CN202267552U (en) * | 2011-08-25 | 2012-06-06 | 合肥瑞纳表计有限公司 | Supersonic wave calorimeter current-stabilizing structure |
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| Publication number | Publication date |
|---|---|
| CN104721929A (en) | 2015-06-24 |
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Address after: 410205 Room 101, 1st floor, north of superstar entrepreneurship base, No. 8 Lujing Road, high tech Development Zone, Changsha, Hunan Patentee after: Hunan Mingkang Zhongjin Medical Technology Co.,Ltd. Address before: 410125 North first floor, superstar entrepreneurship base, No. 8 Lujing Road, Changsha City, Hunan Province Patentee before: HUNAN MICOME ZHONGJIN MEDICAL SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20160831 |