CN201413237Y - Fault detection device of vehicle steering light - Google Patents
Fault detection device of vehicle steering light Download PDFInfo
- Publication number
- CN201413237Y CN201413237Y CN2009200861683U CN200920086168U CN201413237Y CN 201413237 Y CN201413237 Y CN 201413237Y CN 2009200861683 U CN2009200861683 U CN 2009200861683U CN 200920086168 U CN200920086168 U CN 200920086168U CN 201413237 Y CN201413237 Y CN 201413237Y
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- steering
- lamp
- switch
- indicating light
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Abstract
The utility model discloses a fault detection device of a vehicle steering light. The device comprises a power supply, a steering lamp, an instrument steering-indication lamp, a hazard warning lamp switch, a lighting combination switch, an input processing circuit, an output processing circuit, wherein the steering lamp, the instrument steering indicating lamp, the hazard warning lamp switch and the lighting combination switch are connected with an earth wire; the input processing circuit and the output processing circuit are connected with a singlechip controller which is connected with the power supply and is grounded; the hazard warning lamp switch and the lighting combination switch are connected with the input processing circuit; the steering lamp and the instrument steering-indication lamp are connected with the output processing circuit; the singlechip controller is used for receiving input signals, judging and computing the input signals, outputting control signals and judgingwhether the steering lamp is at fault or not according to the change of output power; the input processing circuit is used for correctly reading digital and analog signals and conducting noise filtering, shaping and jitter eliminating on signals; and the output processing circuit is used for receiving signals of the singlechip controller and outputting control signals in a driving control manner.The device with low cost and strong reliability can detect whether the steering lamp is at fault, remind a driver timely, and reduce electromagnetic radiation interference.
Description
Technical field
The utility model relates to vehicle electric control field, particularly relates to a kind of vehicle turn signal failure detector.
Background technology
Vehicle turn signal plays very important prompting, suggesting effect in the vehicle ' process, can be described as the light indication language that exchanges between the vehicle driver.Vehicle turn signal is excellent to be the necessary condition that guarantees safe driving, and whether therefore detect steering indicating light has fault and remind in time that the driver is very important and practical function.Existing vehicle adopts and turns to special purpose relay to realize steering indicating function, and its reliability is low, cost is high, be easy to generate electromagnetic interference (EMI).
The utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, provides a kind of steering indicating light that can detect whether fault is arranged and to remind in time that driver, cost are low, good reliability, can reduce the vehicle turn signal failure detector of electromagnetic interference significantly.
The vehicle turn signal failure detector that the utility model provides, it comprises power supply, the steering indicating light that links to each other with ground wire, instrument steering pilot lamp, danger warning lamp switch, light combined switch, it also comprises monolithic controller, input processing circuit, output processing circuit, described input processing circuit, output processing circuit all link to each other with the monolithic controller, the monolithic controller links to each other with power supply and ground connection, described danger warning lamp switch, light combined switch all link to each other with input processing circuit, and described steering indicating light, instrument steering pilot lamp all link to each other with output processing circuit; The monolithic controller is used to receive the input signal that is formed by described danger warning lamp switch, the triggering of light combined switch, judge, the output control signal is given output processing circuit after the computing, and judges according to the variable power of exporting to output processing circuit whether steering indicating light exists fault; Input processing circuit is used for correctly reading numeral, simulating signal, and signal is carried out noise filtering, shaping, disappears and tremble; Output processing circuit is used to receive the monolithic controller signals, drive controlling output control signal.
In technique scheme, described power supply is battery feed and ignition lock APC power supply.
In technique scheme, it also comprises the hummer that is connected with the output of monolithic controller.
In technique scheme, described steering indicating light comprises steering indicating light, right back steering indicating light on steering indicating light on turn lamp, left front, the left-hand mirror, left back steering indicating light, right front turn lamp, the right back visor.
In technique scheme, described light combined switch comprises left steering switch and right turn switch.
Advantage of the present utility model is: the vehicle electric controller that will comprise the monolithic controller in the utility model links to each other with danger warning lamp switch, light combined switch, steering indicating light, instrument steering pilot lamp respectively, write program correspondingly in the monolithic controller, can realize steering indicating light flicker quiescent interval control, reminding turning sound simulation output, turn signal lamp indication, steering indicating light fault detect output easily, whether fault be arranged and in time remind the driver thereby detect steering indicating light.The utility model does not adopt the steering indicating light special purpose relay, and not only cost is low, good reliability, and can reduce the interference of electromagnetic radiation to other equipment significantly.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 turns to the sequential synoptic diagram under the normal condition;
Fig. 3 turns to the sequential synoptic diagram under the danger alarm lamp unlatching situation;
Fig. 4 turns to the sequential synoptic diagram for vehicle turn signal breaks down under the situation;
Among the figure: steering indicating light on B+-battery feed, APC-ignition lock APC power supply, SPK-hummer, M-monolithic controller, IN-input processing circuit, OUT-output processing circuit, K1-danger warning lamp switch, K2-light combined switch, LF-turn lamp, left front bubble, the LM-left-hand mirror, LR-be left back to turn to steering indicating light, right back bulb, LS-instrument left turn indicator lamp, the RS-instrument right turn indicator lamp of turning to of RR-on bulb, RF-right front turn lamp bubble, the right back visor of RM-.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
Referring to shown in Figure 1, the vehicle turn signal failure detector that the utility model provides, hardware circuit comprises battery feed and ignition lock APC power supply, the danger alarm lamp K switch 1 that links to each other with ground wire, light combined switch K2, steering indicating light, instrument steering pilot lamp, monolithic controller M and the hummer SPK that links to each other with monolithic controller M, input processing circuit IN and output processing circuit OUT, and light combined switch K2 comprises left steering switch and right turn switch; Comprise in the steering indicating light that steering indicating light LM on turn lamp, left front bubble LF, the left-hand mirror, left back bulb LR, the right front turn lamp of turning to steep steering indicating light RM, the right back bulb RR that turns on RF, the right back visor; The instrument steering pilot lamp comprises instrument left turn indicator lamp LS and instrument right turn indicator lamp RS.Monolithic controller M all links to each other with battery feed, ignition lock APC power supply, danger alarm lamp K switch 1, light combined switch K2 all link to each other with input processing circuit IN, and instrument steering pilot lamp, steering indicating light LF, LM, LR, RF, RM, RR all link to each other with output processing circuit OUT.Input processing circuit IN is mainly used in and correctly reads digital signal and simulating signal, and the signal that reads is carried out noise filtering, shaping, disappears and tremble; Monolithic controller M is mainly used in the input signal that forms when receiving danger alarm lamp K switch 1 and light combined switch K2 triggering, judge, computing, transfer signals to output processing circuit OUT afterwards, and judge according to the variable power of exporting to output processing circuit OUT whether steering indicating light exists fault; Output processing circuit OUT is mainly used in the signal that receives monolithic controller M output, drive controlling output signal; Hummer SPK is used for output simulation reminding turning sound.
Principle of work of the present utility model is as follows:
According to condition of work, steering indicating light LF, LM, LR, RF, RM, RR need two kinds of power supplys: battery feed and ignition lock APC power supply, when battery feed is used for 1 startup of danger alarm lamp K switch, steering indicating light LF, LM, LR, RF, RM, RR operate as normal, when ignition lock APC power supply was used to turn to, steering indicating light LF, LM, LR, RF, RM, RR lighted.
Send input signal to input processing circuit IN when danger alarm lamp K switch 1 and light combined switch K2 trigger, input signal is a low-potential signal; Output signal is a high potential signal, is divided into two parts: a part is by steering indicating light LF, LM, LR, RF, RM, RR forming circuit loop; Another part constitutes show circuit by the instrument steering pilot lamp.
When danger alarm lamp K switch 1 triggers, monolithic controller M receives the low level signal that danger alarm lamp K switch 1 is sent, through monolithic controller M inter-process, export high level signal after the computing, drive steering indicating light LF, LM, LR, RF, RM, the RR flicker, drive the inner corresponding side marker light flicker of instrument steering pilot lamp simultaneously, left side steering indicating light LF, LM, the corresponding instrument left turn indicator lamp of LR LS, right hand steering lamp RF, RM, the corresponding instrument right turn indicator lamp of RR RS, this moment, power supply was a battery feed, to guarantee that danger alarm lamp still can operate as normal when the vehicle parking.
When light combined switch K2 triggers, monolithic controller M receives the low level signal that light combined switch K2 sends, after monolithic controller M inter-process, computing, export high level signal, drive steering indicating light LF, LM, LR, RF, RM, RR flicker, drive the inner corresponding side marker light flicker of instrument steering pilot lamp simultaneously, the power supply of this moment is an ignition lock APC power supply.
Referring to shown in Figure 2, turn to the sequential principle as follows under the normal condition: when power supply is ignition lock APC power supply, right turn switch or left steering switch connection, this moment, right hand steering lamp or left side steering indicating light glimmered with certain frequency, hummer SPK sends the same frequency buzz simultaneously, and side marker light corresponding on the instrument steering pilot lamp is glimmered.
Referring to shown in Figure 3, turn to the sequential principle as follows under the danger alarm lamp unlatching situation: when danger alarm lamp K switch 1 started, a left side/right hand steering lamp glimmered with certain frequency, and hummer SPK sends the same frequency buzz simultaneously; When pressing danger alarm lamp K switch 1 once more, stop flicker, buzzing, side marker light corresponding on the instrument steering pilot lamp is glimmered.
Referring to shown in Figure 4, vehicle turn signal breaks down and turns to the sequential principle as follows under the situation: after right hand steering lamp or left side steering indicating light break down, for example bulb damages, when starting right turn switch or left steering switch, monolithic controller M starts fault mode according to the load variations in loop, this moment, right hand steering lamp or left side steering indicating light glimmered with 2 times of normal flicker frequency, hummer SPK also glimmers with 2 times of normal flicker frequency simultaneously, and side marker light corresponding on the instrument steering pilot lamp is glimmered.
The utility model has adopted integrated component, is convenient to the function expansion, does not adopt to turn to special purpose relay, reduce the interference of electromagnetic radiation, strengthened the system works reliability, increased the loop fault diagnostic function basically at this simultaneously, enrich controller function, increased the security of driving.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
The content that is not described in detail in this instructions belongs to this area professional and technical personnel's known prior art.
Claims (5)
1, a kind of vehicle turn signal failure detector, it comprises power supply, the steering indicating light that links to each other with ground wire, instrument steering pilot lamp, danger warning lamp switch, light combined switch, it is characterized in that: it also comprises monolithic controller, input processing circuit, output processing circuit, described input processing circuit, output processing circuit all link to each other with the monolithic controller, the monolithic controller links to each other with power supply and ground connection, described danger warning lamp switch, light combined switch all link to each other with input processing circuit, and described steering indicating light, instrument steering pilot lamp all link to each other with output processing circuit;
The monolithic controller is used to receive the input signal that is formed by described danger warning lamp switch, the triggering of light combined switch, judge, the output control signal is given output processing circuit after the computing, and judges according to the variable power of exporting to output processing circuit whether steering indicating light exists fault; Input processing circuit is used for correctly reading numeral, simulating signal, and signal is carried out noise filtering, shaping, disappears and tremble; Output processing circuit is used to receive the monolithic controller signals, drive controlling output control signal.
2, vehicle turn signal failure detector according to claim 1 is characterized in that described power supply is battery feed and ignition lock APC power supply.
3, vehicle turn signal failure detector according to claim 1 is characterized in that it also comprises the hummer that is connected with the output of monolithic controller.
4, vehicle turn signal failure detector according to claim 1 is characterized in that steering indicating light comprises steering indicating light and right back steering indicating light on steering indicating light on turn lamp, left front, the left-hand mirror, left back steering indicating light, right front turn lamp, the right back visor.
5, vehicle turn signal failure detector according to claim 1 is characterized in that the light combined switch comprises left steering switch and right turn switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200861683U CN201413237Y (en) | 2009-06-02 | 2009-06-02 | Fault detection device of vehicle steering light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200861683U CN201413237Y (en) | 2009-06-02 | 2009-06-02 | Fault detection device of vehicle steering light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413237Y true CN201413237Y (en) | 2010-02-24 |
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ID=41715120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200861683U Expired - Lifetime CN201413237Y (en) | 2009-06-02 | 2009-06-02 | Fault detection device of vehicle steering light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413237Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248395A (en) * | 2016-08-31 | 2016-12-21 | 龙岩市海德馨汽车有限公司 | Power supply semitrailer pipeline and signal supervisory instrument and detection method thereof |
| CN112693395A (en) * | 2020-12-14 | 2021-04-23 | 武汉格罗夫氢能汽车有限公司 | Electronic alarm system for hydrogen energy automobile |
-
2009
- 2009-06-02 CN CN2009200861683U patent/CN201413237Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248395A (en) * | 2016-08-31 | 2016-12-21 | 龙岩市海德馨汽车有限公司 | Power supply semitrailer pipeline and signal supervisory instrument and detection method thereof |
| CN112693395A (en) * | 2020-12-14 | 2021-04-23 | 武汉格罗夫氢能汽车有限公司 | Electronic alarm system for hydrogen energy automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100224 |