CN2870369Y - Heavy-vehicle air-conditioner signal-lamp indication apparatus - Google Patents
Heavy-vehicle air-conditioner signal-lamp indication apparatus Download PDFInfo
- Publication number
- CN2870369Y CN2870369Y CN200620080781.0U CN200620080781U CN2870369Y CN 2870369 Y CN2870369 Y CN 2870369Y CN 200620080781 U CN200620080781 U CN 200620080781U CN 2870369 Y CN2870369 Y CN 2870369Y
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- CN
- China
- Prior art keywords
- switch
- heavy
- light
- emitting diode
- air conditioner
- 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.)
- Expired - Fee Related
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Abstract
The utility model heavy car alarm lamp, discloses the problem of unable to operate or estimate failures due to the lack of the state display of the air-conditioner in heavy cars. The device is provided with advantages such like simple structure, convenient to be observed and security capability improvable. The structure is: the signal display loop composed by a Current-limiting resistance R, LBD L and the signal detecting loop composed by diode D and switch K2 connecting LBD L. The characteristic is: the signal display loop is connected with the loop composed by the audion T and the switch.
Description
Technical field
The utility model relates to a kind of heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device.
Background technology
Existing heavy-duty car, as the steyr heavy-duty car, its signal lamp assembly circuit part is relatively simple for structure, can't utilize the space signal lamp to realize the indication of AIR COND SIG Air Conditioner Singnal, therefore can't judge the operating state of air-conditioning, operation and observation not only bad for the driver also are unfavorable for the analysis of air-conditioning system faults itself.
Summary of the invention
The utility model is exactly can't show to operate the problem with fault judgement in order to solve present heavy-duty car running state of air conditioner, provides a kind of and has simple in structurely, is easy to observe, and can improve the heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device of security performance.
For achieving the above object, the utility model has adopted following technical scheme: a kind of heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device, it comprises a signal show circuit of being made up of current-limiting resistance R, light-emitting diode L and the input loop of being made up of diode D and K switch 2 that is connected with light-emitting diode L, and it is characterized in that: described signal show circuit is electrically connected with the control loop of being made up of triode T and switch.
Described control loop consists of, and K switch 1 connects the base stage of switch triode T through resistance R 1, the grounded emitter of switch triode T, and collector electrode is connected with the negative electrode of light-emitting diode L.
Described signal show circuit consists of, the anode polyphone of current-limiting resistance and light-emitting diode L, and negative electrode is connected with the collector electrode of switch triode T.
Described input loop sets becomes, and the negative electrode of light-emitting diode L connects diode D anode, its negative electrode and K switch 2 polyphone ground connection.
The utility model has been set up a switch triode on primary circuit, come AIR COND SIG Air Conditioner Singnal is shown with its switch.The beneficial effect of its generation is, the driver can be by the demonstration of light-emitting diode L, and the operating state of air-conditioning is judged soundly; Reduce the possibility of misoperation, prolonged the useful life of air-conditioning system; Can carry out fault detect with other signal lamps; Overcome the drawback that only can discern low-voltage signal with front blinker, made things convenient for the breakdown maintenance of air-conditioning system.
Description of drawings
Fig. 1 is original signal lamp assembly schematic diagram;
Fig. 2 is an AIR COND SIG Air Conditioner Singnal lamp indicating device schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Signal lamp assembly among Fig. 1 is fairly simple, can't utilize the space signal lamp to realize the AIR COND SIG Air Conditioner Singnal indication, and only can discern low-voltage signal.
Among Fig. 2, the anode of current-limiting resistance R2 and light-emitting diode L is composed in series the signal show circuit; The negative electrode of light-emitting diode L connects the collector electrode of switch triode T, and its base stage is connected with resistance R 1 simultaneously, and is connected with K switch 1, and emitter is ground connection then, forms control loop.The negative electrode of light-emitting diode L connects the anode of diode D, its negative electrode and K switch 2 polyphones.
After the air-conditioning switch closure and generator in signal when output, arranged, i.e. during K1 signal input, resistance R 2 its metering functions.When signal lamp sense switch (shared with other signal lamp) was closed, to ground, light-emitting diode L lighted power supply by resistance R 2, light-emitting diode L and diode D, can realize detection resistance R 2 its metering functions to its signal etc.
Claims (4)
1, a kind of heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device, it comprises a signal show circuit of being made up of current-limiting resistance R, light-emitting diode L and the input loop of being made up of diode D and K switch 2 that is connected with light-emitting diode L, and it is characterized in that: described signal show circuit is electrically connected with the control loop of being made up of triode T and switch.
2, heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device according to claim 1, it is characterized in that: described control loop consists of, K switch 1 connects the base stage of switch triode T through resistance R 1, the grounded emitter of switch triode T, and collector electrode is connected with the negative electrode of light-emitting diode L.
3, heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device according to claim 1, it is characterized in that: described signal show circuit consists of, the anode polyphone of current-limiting resistance and light-emitting diode L, negative electrode is connected with the collector electrode of switch triode T.
4, heavy-duty car AIR COND SIG Air Conditioner Singnal lamp indicating device according to claim 1, it is characterized in that: described input loop sets becomes, and the negative electrode of light-emitting diode L connects diode D anode, its negative electrode and K switch 2 polyphone ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620080781.0U CN2870369Y (en) | 2006-02-13 | 2006-02-13 | Heavy-vehicle air-conditioner signal-lamp indication apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620080781.0U CN2870369Y (en) | 2006-02-13 | 2006-02-13 | Heavy-vehicle air-conditioner signal-lamp indication apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2870369Y true CN2870369Y (en) | 2007-02-14 |
Family
ID=37725311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620080781.0U Expired - Fee Related CN2870369Y (en) | 2006-02-13 | 2006-02-13 | Heavy-vehicle air-conditioner signal-lamp indication apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2870369Y (en) |
-
2006
- 2006-02-13 CN CN200620080781.0U patent/CN2870369Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20150213 |
|
| EXPY | Termination of patent right or utility model |