CN203745090U - Automobile wire harness capable of monitoring temperature and over-temperature early warning device - Google Patents
Automobile wire harness capable of monitoring temperature and over-temperature early warning device Download PDFInfo
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- CN203745090U CN203745090U CN201420081282.8U CN201420081282U CN203745090U CN 203745090 U CN203745090 U CN 203745090U CN 201420081282 U CN201420081282 U CN 201420081282U CN 203745090 U CN203745090 U CN 203745090U
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- temperature
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- warning device
- overtemperature
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- 238000012544 monitoring process Methods 0.000 title abstract description 7
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 230000002269 spontaneous effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
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Abstract
The utility model discloses an automobile wire harness capable of monitoring temperature and its over-temperature early warning device. The automobile wire harness capable of monitoring temperature comprises an automobile wire harness and an over-temperature early warning device. A temperature sensor used for detecting the temperature of the automobile wire harness is arranged in the automobile wire harness. The temperature sensor is connected with the over-temperature early warning device. When the temperature of the automobile wire harness is too high, the over-temperature early warning device gives a sound-light alarm. The over-temperature early warning device contains a temperature monitoring circuit, a sound-light alarm circuit, a power circuit, a single-chip microcomputer and its minimal circuit. The temperature monitoring circuit is used for sending a detected temperature to the single-chip microcomputer. The single-chip microcomputer controls the sound-light alarm circuit to operate according to the detected temperature value. The power circuit is used for powering the system. During vehicle operating process, the temperature of the wire harness is monitored all the time. When the temperature of the wire harness rises abnormally, a sound-light alarm is given immediately so as to find spontaneous combustion of a vehicle in advance. The automobile wire harness has a simple structure, has low cost, is convenient and reliable, and has obvious effects.
Description
Technical field
The utility model relates to wire harness and the device of a kind of car electrics security fields, relates in particular to a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature.
Background technology
Self-burning of vehicle accident has generation every year, and the harm of self-burning of vehicle is startling.Along with the automobile increase of tenure of use, the probability that spontaneous combustion occurs also increases.Trace it to its cause, how aging by automobile line, privately change circuit and increase electrical arrangement, arbitrarily change the factors such as fuse and cause current in wire overload to cause wire harness temperature to gather, cause automotive wire bundle and catch fire.At present, the modes that Automatic Fire Extinguisher and storehouse temperature alarm device are installed that adopt are tackled automobile fire, the utility model patent " passenger car cabin temperature alarm system " that the patent No. of issuing as State Patent Office is 201120164569.3 more.Such measure can only be played the effect that alleviates Value Loss after fire occurs, and cannot give warning in advance.
Utility model content
The deficiency existing for solving prior art, the utility model discloses a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature, this automotive wire bundle inside is embedded with highly sensitive Kick type temperature sensor, for monitoring the temperature information of wire harness inside, and this information is passed to the overtemperature prior-warning device that is arranged on the remarkable position of instrument desk, if monitor the wire harness excess Temperature of a part, prior-warning device sends sound and light alarm signal, reminds driver's parking checking immediately.
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature, comprise automotive wire bundle and overtemperature prior-warning device, in described automotive wire bundle, be provided with the temperature sensor for detection of automotive wire bundle temperature, temperature sensor is connected with overtemperature prior-warning device, in the time of the excess Temperature of automotive wire bundle, overtemperature prior-warning device sends sound and light alarm;
Described overtemperature prior-warning device comprises temperature observation circuit, sound light alarming circuit, power circuit, single-chip microcomputer and minimum circuit thereof, in the time that the temperature of automotive wire bundle exceedes the threshold values of temperature detect switch (TDS) action, corresponding temperature detect switch (TDS) disconnects, the controlled end of photoelectrical coupler sports off-state by conducting state, on single-chip microcomputer, corresponding temperature control input pin sports vacant state by high level state, temperature observation circuit is for being sent to single-chip microcomputer by the temperature detecting, single-chip microcomputer is according to the Temperature numerical control sound light alarming circuit work detecting, power circuit is used to system power supply.
Described automotive wire bundle also comprises corrugated tube, non-flammable adhesive tape and the multiple wire arranged successively from outside to inside, is provided with temperature sensor between wire.
Described temperature sensor, is closed type temperature detect switch (TDS), and model is B25-B5D, the high 10%-20% of temperature when the threshold values of break-off signal is normally worked than the wire harness of installation position.The online intrafascicular embedded location of described temperature sensor apart from block terminal or wire harness to plug-in unit 30mm.
Described temperature observation circuit, comprise three temperature detect switch (TDS) SK1, SK2, SK3, three photoelectrical coupler OC1, OC2, OC3, three current-limiting resistance R4, R5, R6,1 pin of one end equal connection device power interface J1 of three temperature detect switch (TDS)s, the positive pole of the control end of another termination photoelectrical coupler, the negative pole of photoelectrical coupler control end is by current-limiting resistance ground connection; The positive pole of each photoelectrical coupler controlled end connects power circuit output+5V stabilized voltage supply, and negative pole connects respectively RA1, RA2, the RA3 pin of single-chip microcomputer.
Described sound light alarming circuit, comprises three light alarm circuit He Yi road, road buzzer alarm circuits.
Described light alarm main circuit will comprise light emitting diode and transistor, the positive pole of light emitting diode by current-limiting resistance connect power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, base stage connects respectively RC1, RC2, the RC3 pin of single-chip microcomputer by current-limiting resistance.
Described buzzer alarm circuit is mainly made up of active buzzer and transistor, the positive pole of hummer connects power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, and base stage connects the RC4 pin of single-chip microcomputer by current-limiting resistance.
Described power circuit, comprises vehicle power supply interface J1, voltage stabilizing chip and peripheral circuit thereof; No. 1 pin of voltage stabilizing chip is power input, connects No. 1 pin and the capacitor C 4 of vehicle power supply interface J1, and No. 2 pins of J1 connect the negative pole of overtemperature prior-warning device, and C4 is for absorbing the large transient voltage that input end may occur; No. 2 pins are power output end, connect energy storage inductor L1, sustained diode 5, shunt capacitance C3, the 5V voltage needing for stable output overtemperature prior-warning device; Ground connection after No. 3 pins and No. 5 pin parallel connections; No. 4 pins are output voltage feedback end, connect the output terminal of power circuit.
Described power circuit also comprises by resistance R 11 and light emitting diode D4 and forms power light circuit.
Described single-chip microcomputer and minimum circuit thereof, comprise STC89C52 series monolithic and feed circuit thereof, crystal oscillating circuit.
Principle of work of the present utility model is: the instrument wire harness, ceiling wire harness and the chassis line that the temperature detect switch (TDS) of three pieces of closed types are embedded in respectively to automobile are intrafascicular, the temperature high 10%-20% of the operating valve value of temperature detect switch (TDS) during than the normal work of wire harness, overtemperature prior-warning device is arranged on to the remarkable position of instrument desk, and connects vehicle ignition power supply.In the time that the temperature of wire harness exceedes the threshold values of temperature detect switch (TDS) action, corresponding temperature detect switch (TDS) disconnects, the controlled end of optocoupler sports off-state by conducting state, on single-chip microcomputer, corresponding temperature control input pin sports vacant state by high level state, corresponding alarm lamp is glittering according to the frequency of program setting, simultaneously hummer sends the ear-piercing sound that drips, and reminds driver's parking checking electric appliance circuits immediately, prevents from that wire harness temperature from continuing to gather to cause vehicle spontaneous combustion.
The beneficial effects of the utility model:
In the time that the temperature of wire harness exceedes the threshold values of temperature detect switch (TDS) action, corresponding temperature detect switch (TDS) disconnects, the controlled end of optocoupler sports off-state by conducting state, on single-chip microcomputer, corresponding temperature control input pin sports vacant state by high level state, corresponding alarm lamp is glittering according to the frequency of program setting, simultaneously hummer sends the ear-piercing sound that drips, and reminds driver's parking checking electric appliance circuits immediately, prevents from that wire harness temperature from continuing to gather to cause vehicle spontaneous combustion.
In vehicle operating process, the temperature of moment monitoring wire harness, in the time that wire harness temperature anomaly raises, carries out acousto-optic early warning immediately, finds in advance vehicle spontaneous combustion hidden danger, simple in structure, with low cost, convenient and reliable, successful.
Brief description of the drawings
Fig. 1 is automotive wire bundle structural representation of the present utility model;
Fig. 2 is temperature detect switch (TDS) of the present utility model installation site schematic diagram;
Fig. 3 is circuit theory diagrams of the present utility model;
Fig. 4 is prior-warning device panel of the present utility model;
Wherein, 1, temperature observation circuit, 2, sound light alarming circuit, 3, power circuit, 4, single-chip microcomputer and minimum circuit thereof, 5, corrugated tube, 6, non-flammable adhesive tape, 7, temperature sensor, 8, wire, 9, block terminal or wire harness be to plug-in unit, and 10, automotive wire bundle, 11, controller indicates, 12, relay indicating light, 13, alarm sound window, 14, pilot lamp indicates, 15, alarm lamp.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is elaborated:
As shown in Figure 1, a kind of automotive wire bundle that can monitor temperature, comprises corrugated tube 5, non-flammable adhesive tape 6, temperature sensor 7 and wire 8, wherein:
The conventional components that described corrugated tube 5, non-flammable adhesive tape 6 and wire 8 are automotive wire bundle;
Described temperature sensor 7, for closed type temperature detect switch (TDS), model is B25-B5D, and iron shell temperature-sensitive is sensitive, physical dimension (long × wide × thick) is 11.5 × 5 × 2.4mm, the high 10%-20% of temperature when the threshold values of break-off signal is normally worked than the wire harness of installation position.Temperature sensor 7 is embedded in automotive wire bundle 10, the fit temperature of direct sensor wire of shell and wire.The electric current of same wire of different parts all equates, the online intrafascicular embedded location of temperature sensor 7 can be near block terminal or wire harness to plug-in unit 9, as shown in Figure 2, convenient after maintenance.
As shown in Figure 3, wire harness overtemperature prior-warning device, comprises temperature observation circuit 1, sound light alarming circuit 2, power circuit 3, single-chip microcomputer and minimum circuit 4 thereof, wherein:
Described temperature observation circuit 1, by three temperature detect switch (TDS) SK1, SK2, SK3, three photoelectrical coupler OC1, OC2, OC3, three current-limiting resistance R4, R5, R6 composition.1 pin of one terminating set power interface J1 of temperature detect switch (TDS), the positive pole of the control end of another termination photoelectrical coupler; The negative pole of photoelectrical coupler control end is by current-limiting resistance ground connection; The positive pole of photoelectrical coupler controlled end connects power circuit output+5V stabilized voltage supply, and negative pole connects respectively RA1, RA2, the RA3 pin of single-chip microcomputer.
Described sound light alarming circuit 2, light alarm circuit He Yi road, You San road buzzer alarm circuit composition, wherein light alarm main circuit will comprise light emitting diode and transistor, the positive pole of light emitting diode by current-limiting resistance connect power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, base stage connects respectively RC1, RC2, the RC3 pin of single-chip microcomputer by current-limiting resistance.Buzzer alarm circuit is mainly made up of active buzzer and transistor, the positive pole of hummer connects power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, and base stage connects the RC4 pin of single-chip microcomputer by current-limiting resistance.
Described power circuit 3, comprises vehicle power supply interface J1, voltage stabilizing chip LM2576-5.0 and peripheral circuit thereof; No. 1 pin of LM2576-5.0 is power input, connects No. 1 pin and the capacitor C 4 of vehicle power supply interface J1, and No. 2 pins of J1 connect the negative pole of overtemperature prior-warning device, and C4 is for absorbing the large transient voltage that input end may occur; No. 2 pins are power output end, connect energy storage inductor L1, sustained diode 5, shunt capacitance C3, the 5V voltage needing for stable output overtemperature prior-warning device; Ground connection after No. 3 pins and No. 5 pin parallel connections; No. 4 pins are output voltage feedback end, connect the output terminal of power circuit; Resistance R 11 and light emitting diode D4 composition power light circuit.
Described single-chip microcomputer and minimum circuit 4 thereof, comprise STC89C52 series monolithic and feed circuit thereof, crystal oscillating circuit.
Embodiment: by the temperature sensor in automotive wire bundle 10 7 and overtemperature prior-warning device exact connect ion, and use vehicle 24V priming supply for device power supply when use, the panel of overtemperature prior-warning device as shown in Figure 4.Panel is provided with controller and indicates 11, alarm sound window 13, after vehicle ignition, the relay indicating light 12 of prior-warning device is lighted, and relay indicating light below has pilot lamp to indicate 14, then the program of setting according to single-chip microcomputer starts self-inspection, three alarm lamps 15 are each once glittering, and alarm buzzer ring 2 seconds, if all are normal, alarm lamp extinguishes, and hummer is quiet.If when the temperature of the wire harness of a part exceedes the threshold values of temperature detect switch (TDS) action, corresponding temperature detect switch (TDS) disconnects, the controlled end of photoelectrical coupler sports off-state by conducting state, on single-chip microcomputer, corresponding temperature control input pin sports vacant state by high level state, corresponding alarm lamp is glittering according to the frequency of program setting, simultaneously hummer sends the ear-piercing sound that drips, and reminds driver's parking checking electric appliance circuits immediately, prevents from that wire harness temperature from continuing to gather to cause vehicle spontaneous combustion.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that creative work can make or distortion still in protection domain of the present utility model.
Claims (10)
- One kind can monitor temperature automotive wire bundle and overtemperature prior-warning device thereof, it is characterized in that, comprise automotive wire bundle and overtemperature prior-warning device, in described automotive wire bundle, be provided with the temperature sensor for detection of automotive wire bundle temperature, temperature sensor is connected with overtemperature prior-warning device, in the time of the excess Temperature of automotive wire bundle, overtemperature prior-warning device sends sound and light alarm;Described overtemperature prior-warning device comprises temperature observation circuit, sound light alarming circuit, power circuit, single-chip microcomputer and minimum circuit thereof, in the time that the temperature of automotive wire bundle exceedes the threshold values of temperature detect switch (TDS) action, corresponding temperature detect switch (TDS) disconnects, the controlled end of photoelectrical coupler sports off-state by conducting state, on single-chip microcomputer, corresponding temperature control input pin sports vacant state by high level state, temperature observation circuit is for the temperature detecting is sent to single-chip microcomputer, and single-chip microcomputer is according to the Temperature numerical control sound light alarming circuit work detecting.
- 2. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1, it is characterized in that, described automotive wire bundle also comprises corrugated tube, non-flammable adhesive tape and the multiple wire arranged successively from outside to inside, is provided with temperature sensor between wire.
- 3. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1 or 2, it is characterized in that, described temperature sensor, for closed type temperature detect switch (TDS), model is B25-B5D, the high 10%-20% of temperature when the threshold values of break-off signal is normally worked than the wire harness of installation position, the online intrafascicular embedded location of described temperature sensor apart from block terminal or wire harness to plug-in unit 30mm.
- 4. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1, is characterized in that described single-chip microcomputer and minimum circuit thereof comprise STC89C52 series monolithic and feed circuit thereof, crystal oscillating circuit.
- 5. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1, it is characterized in that, described temperature observation circuit, comprise three temperature detect switch (TDS) SK1, SK2, SK3, three photoelectrical coupler OC1, OC2, OC3, three current-limiting resistance R4, R5, R6,1 pin of one end equal connection device power interface J1 of three temperature detect switch (TDS)s, the positive pole of the control end of another termination photoelectrical coupler, the negative pole of photoelectrical coupler control end is by current-limiting resistance ground connection; The positive pole of each photoelectrical coupler controlled end connects power circuit output+5V stabilized voltage supply, and negative pole connects respectively RA1, RA2, the RA3 pin of single-chip microcomputer.
- 6. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1, is characterized in that described sound light alarming circuit comprises three light alarm circuit He Yi road, road buzzer alarm circuits.
- 7. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 6, it is characterized in that, described light alarm main circuit will comprise light emitting diode and transistor, the positive pole of light emitting diode by current-limiting resistance connect power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, base stage connects respectively RC1, RC2, the RC3 pin of single-chip microcomputer by current-limiting resistance.
- 8. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 6, it is characterized in that, described buzzer alarm circuit is mainly made up of active buzzer and transistor, the positive pole of hummer connects power circuit output+5V stabilized voltage supply, negative pole connects the collector of triode, the direct ground connection of emitter of triode, base stage connects the RC4 pin of single-chip microcomputer by current-limiting resistance.
- 9. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 1, is characterized in that described power circuit comprises vehicle power supply interface J1, voltage stabilizing chip and peripheral circuit thereof; No. 1 pin of voltage stabilizing chip is power input, connects No. 1 pin and the capacitor C 4 of vehicle power supply interface J1, and No. 2 pins of J1 connect the negative pole of overtemperature prior-warning device, and C4 is for absorbing the large transient voltage that input end may occur; No. 2 pins are power output end, connect energy storage inductor L1, sustained diode 5, shunt capacitance C3, the 5V voltage needing for stable output overtemperature prior-warning device; Ground connection after No. 3 pins and No. 5 pin parallel connections; No. 4 pins are output voltage feedback end, connect the output terminal of power circuit.
- 10. a kind of automotive wire bundle and overtemperature prior-warning device thereof that can monitor temperature as claimed in claim 9, is characterized in that, described power circuit also comprises by resistance R 11 and light emitting diode D4 and forms power light circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081282.8U CN203745090U (en) | 2014-02-25 | 2014-02-25 | Automobile wire harness capable of monitoring temperature and over-temperature early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081282.8U CN203745090U (en) | 2014-02-25 | 2014-02-25 | Automobile wire harness capable of monitoring temperature and over-temperature early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN203745090U true CN203745090U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420081282.8U Expired - Lifetime CN203745090U (en) | 2014-02-25 | 2014-02-25 | Automobile wire harness capable of monitoring temperature and over-temperature early warning device |
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| CN (1) | CN203745090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860961A (en) * | 2017-10-30 | 2018-03-30 | 国家电网公司 | Reality monitoring device during high-power transformer core current |
| CN107941360A (en) * | 2017-12-18 | 2018-04-20 | 厦门微普电子科技有限公司 | A kind of temperature sensing cable assembly and circuit for detecting, method for detecting |
| CN117250396A (en) * | 2023-10-07 | 2023-12-19 | 浙江众利汽车部件科技有限公司 | Sensor assembly for monitoring wire harness of new energy automobile and use method |
-
2014
- 2014-02-25 CN CN201420081282.8U patent/CN203745090U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860961A (en) * | 2017-10-30 | 2018-03-30 | 国家电网公司 | Reality monitoring device during high-power transformer core current |
| CN107941360A (en) * | 2017-12-18 | 2018-04-20 | 厦门微普电子科技有限公司 | A kind of temperature sensing cable assembly and circuit for detecting, method for detecting |
| CN107941360B (en) * | 2017-12-18 | 2023-12-15 | 中汽客汽车零部件（厦门）有限公司 | Temperature sensing cable assembly, detection circuit and detection method |
| CN117250396A (en) * | 2023-10-07 | 2023-12-19 | 浙江众利汽车部件科技有限公司 | Sensor assembly for monitoring wire harness of new energy automobile and use method |
| CN117250396B (en) * | 2023-10-07 | 2024-04-05 | 浙江众利汽车部件科技有限公司 | Sensor assembly for monitoring wire harness of new energy automobile and use method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |