CN201163346Y - Electronic clock with high reproducing precision - Google Patents
Electronic clock with high reproducing precision Download PDFInfo
- Publication number
- CN201163346Y CN201163346Y CN 200720159437 CN200720159437U CN201163346Y CN 201163346 Y CN201163346 Y CN 201163346Y CN 200720159437 CN200720159437 CN 200720159437 CN 200720159437 U CN200720159437 U CN 200720159437U CN 201163346 Y CN201163346 Y CN 201163346Y
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- clock
- time
- circuit
- electronic
- high reproducibility
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Abstract
The utility discloses a high recurrent precision electronic clock which has a transparent shell, a simple and variable structure, and lively and practical display mode. The electronic clock comprises of a GPS time code transfer unit connected with only two common wires outside, a printing circuit board provided with an electronic circuit and a light emitting tube, a cover, a power supply, etc. A high-speed singlechip of the electronic circuit is connected with an uninterrupted clock circuit to make the time continuity, automatically correct the time error, make a vibration stop judgment of the uninterrupted clock and restart the vibration. A communication circuit receives and sends out a time encoded signal to form multi-clock synchronism. An input circuit carries out parameter assignment, time zone offset and state adjustment by operating a button or triggering a reed switch on the circuit board with a magnet. A shell is combined with two identical transparent covers with embedding grooves. The electronic clock can display time and date alternatively, be used in the combination of a second flywheel world clock, and can be widely used at home, in offices, vehicles, shops, hotels, halls, theaters, streets and other public places.
Description
Technical field
The utility model belongs to the electronic clock technology, is related to the daily high reproducibility electronic clock that timing and demonstration are provided or rather.
Background technology
Traditional time timing clock normally is made up of the front panel and the opaque back shroud of circuit board, band display window.Common demonstration valid window is difficult to make full use of, and display format is also more stiff single.Especially externally behind the power loss recovery, clock can not reappear the continuity of the original time exactly, when incoming gps signal, can not do remote placement, and service condition is restricted, and circuit structure is complicated, and cost is also higher, is difficult to be extensive use of.
Summary of the invention
Purpose of the present invention is to overcome above-mentioned shortcoming and defect, provides a kind of shell transparent, simple in structure changeable, the active practical high reproducibility electronic clock of display format.It can be with noticeable colorful dynamic Alternation Display time and date, can carry out the assignment allotment at user side, select display mode and brightness degree, realize revising time error automatically and carrying out the time zone skew, its gps signal can be placed at a distance, can be combined into a second flywheel World clock, can be widely used in public situation such as family and unit, vehicle, shop, hotel, hall, cinema, street, be imbued with dynamic performance.
For achieving the above object, the high reproducibility electronic clock of the utility model is made up of the GPS time-code transfer unit of external only two common wirings, the printed circuit board (PCB) that electronic circuit and luminotron are housed and casing, power supply etc.The high-speed microprocessor of electronic circuit connects the clock circuit high precision continuity of reproduction time that do not have a power failure, revises time error and it is carried out failure of oscillation is judged and vibration is restarted automatically, communicating circuit reception and output time coded signal are synchronous to constitute many clocks, and input circuit is by operating a button or triggering the tongue tube that is contained on the circuit board with magnet and carry out parameter assignment, time zone skew and state adjustment.Casing is harmonious with two identical transparent box covers that have caulking groove and forms.
Integrated circuit and circuit module that the present invention is used are conventional products, but annexation and drive sequential and be different from conventional usage, structure be connected also differently with common product, division is as follows.
Electronic circuit latchs driving circuit, hummer by what high-speed microprocessor was connecting communicating circuit, input circuit, the link of string shape, is connecting walked time error correction as starting point, the experience of calling of second its second of just having upgraded and to revise constantly last time the clock circuit that do not have a power failure that time error is revised is walked in accumulation.High-speed microprocessor becomes digital luminous stroke signal to time signal, is to become parallel signal by the driving circuit that latchs that string shape links, and provides enough drive currents to display body.The time signal of operation can also can be adjusted button by input circuit from GPS time-code transfer unit or communicating circuit in the high-speed microprocessor, writes the clock circuit that do not have a power failure immediately.The clock circuit that do not have a power failure is made up of chip, crystal, capacitor and the battery etc. of DS1302 type usually.The present invention allocates capacitor, makes oscillation frequency error minimum, as basic second length of clock.Repeat at a high speed to read and the data second of DS1302 relatively by high-speed microprocessor,, immediately the time on date is at this moment sent and shown the starting point of the second of just having upgraded as second.With the continuity of such method maintenance power loss recovery the original time, the reproduction error can satisfy the requirement of high reproducibility less than 20 microseconds.And another important parameter operation accumulated error of clock, seemed too thick as if revising in the cycle at per second, the present invention adopts about kilosecond correction method once, each correction can be walked experience the time error correction and use by key assign and be stored in the flash memory of single-chip microcomputer, each moment of revising is also preserved simultaneously, even if power off time is very long, the time period that the back single-chip microcomputer that restores electricity can be passed by by clock is rapidly revised clocking error automatically, and the ratio of precision conventional method of error adjustment improves about two orders of magnitude.The clock circuit DS1302 chip that do not have a power failure is after battery also removes in absolute power down, the chip that re-powers is in the failure of oscillation state, conventional method be when dispatching from the factory with the start-up routine operation once, and then be changed to working routine, in case the absolute power down of DS1302 chip takes place, and working routine will be difficult to normal operation.The present invention has realized the automatic judgement of failure of oscillation and restarting of vibration by the Single-chip Controlling clock circuit that do not have a power failure in the process of working routine operation, demonstrate robustness of the present invention.
GPS as receive from satellite in-flight time signal equipment, generally be antenna and receiver separately, baseband signal line and power lead separate, and the connection quality between antenna and the receiver and length all have strict demand.Though also handlebar antenna and receiver are made GPS equipment together, signal wire is still with power lead and separates, and can not do remote placement, and service condition is restricted.GPS time-code transfer unit in this high reproducibility electronic clock is integrated in one with modules such as gps antenna, receiver, time signal encoding and decoding, Phantom Powers and had not only sealed but also seen through in the shell of electric wave, only external two with common wiring, it can be placed by the best place of condition of acceptance, can power and the shared common line of loopback time signal with realizations such as telephone wires, place distance and can reach km, very easy to use.
Can walk parameters such as time error correction, display mode, brightness degree and privacy cm time zone offset privacy CM when the single-chip microcomputer of this machine is connecting power-up initializing to experience and carry out after the operation of assignment, clock the input circuit that can adjust date and time, input circuit is a button, this line can prolong and is placed on the external power supply place, to make things convenient for remote control, simultaneously tongue tube in parallel on a button of circuit board can carry out the wireless type operation to trigger tongue tube with magnet.When clock moves the back operation push-button, single-chip microcomputer is judged lasting by then the first number flicker after 2 seconds, lift key, if lifted then by the button time less than 1 second that this position does not add 1 again, the flicker bit by 10 years, year, October, the moon, ten days, day, 10 o'clock, the time, very, minute, move after five seconds the order; By the button time greater than after 1 second then the flicker bit progressively increased with 0.5 second cycle, lift key again and then move behind the flicker bit, and the like to last position, button then withdraws from the button operation clock and normally moves once more.Surpassing does not have key operation 10 seconds, can withdraw from button operation automatically, and clock normally moves.When just power-up initializing, program display type and two seconds of status word, carrying out button operation this moment can walk parameters such as time error correction, display mode, brightness degree and privacy cm time zone offset privacy CM and carry out assignment to experience, wherein privacy cm time zone offset privacy CM is used for offering display, a plurality of clocks one-tenth universal time capable of being combined clock group of different time zone side-play amount after the skew of additional whole hour front and back of time signal.
Show the time, minute, second or year, month, day number between, be provided with colon and strigula display body as separator, string shape link latch seven sections strokes and the separator that driving circuit drives charactron respectively, latch driving circuit then by high-speed microprocessor control, show time and date or the distance appointment countdown information constantly just counted.The Alternation Display date, digital to show by the stroke draw curtain or the form of according to stroke order writing, colon extinguishes and strigula is lighted, to show difference mutually with Hour Minute Second.When the group of four figures shows usually and branch information, the form on Alternation Display date and last similar.60 display body of ring shooting are as second outside the group of four figures, the imitative pointer clock face circle of walking about in 60 seconds.When clock face is arranged as oval shape, wherein with digitally fully amplifying of showing by the stroke draw curtain or the form of according to stroke order writing, arrange its outer be the second point that goes in ring in many ways, respective quadrature is for colon or the strigula lighted when arranging the Alternation Display time or date between number.The clock face number of the group of four figures is more substantial, and impression is more comfortable, and second point is as running outside it along runway, and dynamic performance is abundant.The clock of a plurality of different time zone side-play amounts is capable of being combined, and hourage is different and a second some strict synchronism wheel changes, and constitutes exquisite flywheel World clock second.Annular ring every 5 display body promptly 12 hours position as scale, will locate that this display body strengthens, variable color, also can enclose inboard or the outside and add a display body and be convenient to reading the clock at it.Walked about in the 60 seconds form of a circle of second display body can be a reverse countdown, also can be countdown.The display mode that second display body is walked about has four kinds, can be when the clock power-up initializing with by key assign: can be to add up out or the form of the display body of successively decreasing from 0 second per second; Also can only allow a display body show on the position of second, from 0 second along annular ring fast bump that display body to second place by another display body p.s., and it is promoted one; Second the back of walking about touch another display body whole circle that detours fast from this along annular immediately, complete inswept 12 scales; Can also be in second and each bright display body of front and back thereof, three display body be the center by second mobile with middle that, a long way off than only seeing clearly and do not produce misunderstandings with display body is easier.Three kinds the display format performance is active and power consumption is less in the back.
For adapting to the requirement of different illumination occasions, the present invention regulates in the mode of control light on and off time scale the brightness of LED luminotron, single-chip microcomputer is alternately lighted corresponding stroke at a high speed and is extinguished whole strokes by the driving circuit that latchs of string shape link, the time segment length of lighting or extinguishing is converted by the brightness degree numerical value of being stored, and brightness degree numerical value can give assignment with button when power-up initializing.
The clock size hour, casing is connected with external timing signal with power supply through the small-sized USB plug of being convenient to process, so that the display part is light as far as possible.The LED luminotron that constitutes digital stroke is totally 4 of two and again two strings, its working power adopts external connection battery or ac-dc power converter to be about 6V, the 6V power supply obtains about 5V power supply again behind the commutation diode of two series connection, offer single-chip microcomputer, the luminotron around digital, all luminotrons the link of string shape latch driving circuit, communication chip and the clock chip that do not have a power failure, power is used fully, generate heat little, power consumption is little.Circuit of the present invention also can drive conventional LED charactron, constitute various sizes and digital spread pattern flexibly, can be without Alternation Display with complete showing of year, month, day, hour, min, second and week, as the colon and the also respective fixation demonstration of strigula of separator.
Small-sized transparent casing can be harmonious with two identical transparent box covers that have caulking groove and form, although also need lid processed on a small quantity it become bonnet, yet so only need a cover injection mold and do not need lid and bonnet two molds, flexibly and total cost is low.The hummer of Micro Controller Unit (MCU) driving can rung on schedule, can built-in two opposing printed circuit board make two-sided clock.Clock shell appearance can be coated with cloth, paper or synthetic material, and this covers on the material and can print or write, and forms abundant texture and effect flexibly.The clock shell can make different shape, and inner mounting structure makes every effort to simple and reliable, and circuit board can be used thin material, can curve arcuation and be fixed on the clock shell, is formed with relief display effect, can be used for souvenir, gift, advertising carrier.
Task of the present invention comes to this and finishes.
The invention provides a kind of changeable, active practical high reproducibility electronic clock of display format simple in structure.It can be with noticeable colorful dynamic Alternation Display time and date, can carry out the assignment allotment at user side, realize revising time error automatically and carrying out the time zone skew, a second flywheel World clock can be combined into, public situation such as family and unit, vehicle, shop, hotel, hall, cinema, street can be widely used in.
Description of drawings
Fig. 1 is a small-scale structure synoptic diagram of the present utility model.
Fig. 2 is a main circuit schematic diagram of the present utility model.
Fig. 3 is the schematic diagram of digital circuit of LED.
Fig. 4 is the small-sized USB plug printed circuit board (PCB) synoptic diagram of being convenient to process.
Fig. 5 is the small-sized USB plug structural representation of being convenient to process.
Fig. 6 is a medium-sized casing structure synoptic diagram of the present utility model.
Fig. 7 is a large scale computer shell structure synoptic diagram of the present utility model.
Fig. 8 is the lid three-view diagram of small-sized casing of the present utility model.
Fig. 9 is that small-sized casing of the present utility model connects synoptic diagram.
Embodiment
1. 1 kinds of small-sized high reproducibility electronic clocks of embodiment are as Fig. 1 to Fig. 5 and Fig. 7, shown in Figure 8.
GPS time-code transfer unit (3) is received small-sized transparent clock (1) through two common wirings (4) and the small-sized USB plug (6) being convenient to process among Fig. 1, external power supply (2) provides direct supply and provide power supply to GPS time-code transfer unit (3) by clock (1), the external time of clock (1) to be provided by GPS time-code transfer unit (3) or the tongue tube (5) responded to magnet (7) below the colon that is in clock (1) is adjusted to clock (1).
It among Fig. 2 the GPS time-code transfer unit (3) that is positioned at front end, gps antenna (20) and receiver (8) are general modules, be connected to time signal encoding and decoding single-chip microcomputer (9) in a usual manner, time signal encoding and decoding single-chip microcomputer (9) is a STC12 series, also can be other similar single-chip microcomputers, it delivers to three resistance and the level shifter (13) that electric capacity constitutes with the loopback time signal of high frequency, the terminal of high frequency ac signal is remained on avoid distortion and too precipitous on the average level, send again to penetrate and export with driver (10), the Phantom Power circuit that is attached thereto is made of electric capacity (11) and inductance (12), the loopback time signal arrives two common wirings (4) by electric capacity (11), the inductance that is connected (12) is big impedance and direct current supply is low impedance path it, and mu balanced circuit (13) arrives 3.3V with the direct current supply voltage stabilizing.Be power supply (17), clock circuit and two common wirings (4) that are positioned at the rear end beyond the empty frame among Fig. 2.Be connected to similar Phantom Power circuit at two common wirings (4) two ends, an end of clock circuit is made of electric capacity (14) and inductance (16).Loopback time signal from GPS time-code transfer unit (3) send amplifier (15) to be amplified into high-speed microprocessor (27) through electric capacity (14), and this single-chip microcomputer is a STC12 series, also can be other similar single-chip microcomputers.Communicating circuit (26) couples together connection (25) and high-speed microprocessor (27), receives and the output time coding.The input circuit that high-speed microprocessor (27) also is connected with hummer (29) and is made up of button (28) and tongue tube in parallel (5).The clock circuit that do not have a power failure is made up of DS1302 chip (21), crystal (23), two capacitors (22) and battery (24), also is connected to high-speed microprocessor (27).Latch its Si of driving circuit (32), the So that are made of the link of string shape a plurality of 5B595 or 6B595 chip join end to end, be divided into two groups, front end input serial data signal si and shift pulse signal clk be two groups shared, and its latch signal str is divided into two groups of drivings with it, wherein one group of driving is run point luminescent diode (31) and is connected into common positive formula, link the 5V power supply by a resistance (30), another group digital light emitting diode of driving (33) is connected into common positive formula by resistance separately, links power supply (17).When power supply (17) was 6V, above-mentioned 5V power supply was to be obtained after through two diodes (19) by it; When power supply (17) when being higher than 7V, change diode (19) into common 7805 voltage stabilizers and obtain the 5V power supply.
Fig. 3 is the concrete catenation principle figure of digital circuit of LED, latch light emitting diode that driving circuit (32) drives be connected into two and again two strings totally four be one group, the vertical setting of types row group (41) of only drawing among the figure and a horizontally-arranged row group (42), other categories seemingly.
Fig. 4 is the small-sized USB plug printed circuit board (PCB) synoptic diagram of being convenient to process.Have four surface of contact (57) and the electrode pair of USB socket to answer above the double-sided printed-circuit board of 2 millimeters thick (51), tail end has the welding hole (56) of being convenient to bonding wire, and a deposited copper face (58) is arranged below.Fig. 5 is the small-sized USB plug structural representation of being convenient to process, supporting pieces (52) welds together with the following deposited copper face (58) of double-sided printed-circuit board (51), its front end is concordant with the front end of printed circuit board (PCB) (51), after correct after inserting USB socket and caught on by the sheet that colludes of socket, the adjacent with it neat boss (53) in both sides is concordant with supporting pieces (52) outer rim width, to keep being inserted in the stability in the USB socket, be convenient to the stationary heat draw in thereafter sunken groove (54) and urogomphus (55) and make overcoat, tail end (59) thinner heat-shrink tube easy to use is line fixedly.
Fig. 8 is the lid three-view diagram of small-sized casing of the present utility model.Two transparent lids (70) are used to constitute casing among the figure.Lid (70) inboard has four tapped round platforms (71) to be used for fixing the clock circuit plate, raised line (74) and low groove (73) constituted caulking groove on the inboard of its periphery (72) had respectively in the left view of analysing and observe by A-A, and the outside of periphery (72) is that neat casing connects seam (77).Fig. 9 is that small-sized casing of the present utility model connects synoptic diagram.Be harmonious two lids (70) are staggered, make raised line (74) and low groove (73) embedding mutually, connect seam (77) for casing in the middle of two lids, constitute complete casing (75), four round platforms (71) of one of them lid bore becomes bonnet thoroughly to tighten casing with screw, a packaged printed circuit board (PCB) that electronic circuit and luminotron are arranged can be placed in the inside, also can built-in two opposing printed circuit board make two-sided clock.
The high reproducibility electronic clock that embodiment is 2. 1 kinds medium-sized, as shown in Figure 6.
High reproducibility electronic clock (61) is accepted the synchronous of external time signal by two common wirings (4) among the figure, colon (62) shows Hour Minute Second when lighting, strigula (63) shows the date when lighting, the tongue tube of below (5) is used for adjusting, and shell also can be materials such as metal.
The high reproducibility electronic clock that embodiment is 3. 1 kinds large-scale, as shown in Figure 7.
High reproducibility electronic clock (64) is accepted the synchronous of external time signal by two common wirings (4) among the figure, left side date place's strigula (63) is lighted always, Hour Minute Second place, right side colon (62) is lighted always, and the tongue tube of below (5) is used for adjusting, and shell is materials such as metal.
Claims (8)
1. high reproducibility electronic clock, comprise external GPS time-code transfer unit, the printed circuit board (PCB) that electronic circuit and luminotron are housed and casing, power supply, it is characterized in that said electronic circuit latchs driving circuit, hummer by what high-speed microprocessor was connecting communicating circuit, input circuit, the link of string shape, connecting and walked time error correction as starting point, the experience of calling of second its second of just having upgraded and revising constantly last time the clock circuit that do not have a power failure that time error is revised is walked in accumulation.
2. according to the described high reproducibility electronic clock of claim 1, it is characterized in that said GPS time-code transfer unit is integrated in gps antenna, receiver, time signal encoding and decoding, Phantom Power module in the shell, only external two common wirings.
3. according to the described high reproducibility electronic clock of claim 1, it is characterized in that to walk experience when said single-chip microcomputer is connecting power-up initializing parameters such as time error correction, display mode, brightness degree and privacy cm time zone offset privacy CM and carry out after assignment, the clock operation input circuit that can adjust date and time, tongue tube in parallel on the button of this input circuit.
4. according to the described high reproducibility electronic clock of claim 1, it is characterized in that the said clock circuit that do not have a power failure is connecting the single-chip microcomputer that it is carried out the failure of oscillation judgement and vibrates and restart.
5. according to the described high reproducibility electronic clock of claim 1, it is characterized in that clock face is arranged as oval shape, wherein with digitally fully amplifying of showing by the stroke draw curtain or the form of according to stroke order writing, arrange its outer be the second point that goes in ring in many ways, respective quadrature is for colon or the strigula lighted when arranging the Alternation Display time or date between number.
6. according to the described high reproducibility electronic clock of claim 1, it is characterized in that the clock size hour, the LED luminotron that constitutes digital stroke is totally 4 of two and again two strings, its working power adopts external connection battery or ac-dc power converter to be about 6V, and the 6V power supply obtains about 5V power supply again behind the commutation diode of two series connection.
7. according to the described high reproducibility electronic clock of claim 1, it is characterized in that said small-sized transparent casing is harmonious with two identical transparent box covers that have caulking groove forms, can built-in two opposing printed circuit board make two-sided clock, the casing appearance can be coated with cloth, paper or synthetic material, and this covers on the material and can print or write.
8. according to the described high reproducibility electronic clock of claim 1, it is characterized in that said casing is connected with external timing signal with power supply through the small-sized USB plug of being convenient to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720159437 CN201163346Y (en) | 2007-12-18 | 2007-12-18 | Electronic clock with high reproducing precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720159437 CN201163346Y (en) | 2007-12-18 | 2007-12-18 | Electronic clock with high reproducing precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201163346Y true CN201163346Y (en) | 2008-12-10 |
Family
ID=40184276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720159437 Expired - Fee Related CN201163346Y (en) | 2007-12-18 | 2007-12-18 | Electronic clock with high reproducing precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201163346Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676630A (en) * | 2012-09-24 | 2014-03-26 | 精工爱普生株式会社 | Electronic timepiece |
-
2007
- 2007-12-18 CN CN 200720159437 patent/CN201163346Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676630A (en) * | 2012-09-24 | 2014-03-26 | 精工爱普生株式会社 | Electronic timepiece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20121218 |