CN207955471U - Control system for replacing brake lamp with rear fog lamp - Google Patents
Control system for replacing brake lamp with rear fog lamp Download PDFInfo
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- CN207955471U CN207955471U CN201820039377.1U CN201820039377U CN207955471U CN 207955471 U CN207955471 U CN 207955471U CN 201820039377 U CN201820039377 U CN 201820039377U CN 207955471 U CN207955471 U CN 207955471U
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- rear fog
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- fog lamp
- brake
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- 238000000034 method Methods 0.000 description 12
- 230000001186 cumulative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013024 troubleshooting Methods 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
A rear fog lamp replacing brake lamp control system comprises a microprocessor chip, a vehicle brake lamp driving chip, a vehicle rear fog lamp driving chip, a vehicle brake lamp and a vehicle rear fog lamp, wherein the microprocessor chip is connected with the vehicle rear fog lamp through the vehicle rear fog lamp driving chip, meanwhile, the microprocessor chip is connected with the vehicle brake lamp driving chip through a brake lamp driving signal wire harness and a brake lamp current feedback wire harness, the vehicle brake lamp driving chip is connected with the vehicle brake lamp, the microprocessor chip is connected with a brake switch and an instrument panel, when the rear fog lamp replacing control system is used, the microprocessor chip can detect and judge whether the brake lamp is in fault or not, replace and warn the brake lamp after the fault is detected, and automatically recover the rear fog lamp after the fault of the brake lamp is removed. The normal suggestion of vehicle braking not only can be ensured to this design, and safety warning effect is better, and the suggestion effect is timely obvious moreover, and intelligent degree is higher.
Description
Technical field
The utility model is related to a kind of taillight control systems, belong to auto lamp control field more particularly to a kind of Rear Fog Lamp
Braking lamp control system is substituted, it is particularly applicable to can ensure that the regular prompt of vehicle braking, safety warning effect are preferable.
Background technology
Brake lamp is also brake lamp, is a kind of signal lamp critically important in automobile tail light, vehicle is in normally travel mistake
Due to light bulb aging or the failures such as open circuit, short circuit occur for Cheng Zhong it is possible that Brake lamp catastrophic failure, causes Brake lamp to lose
Warning function may not only face the punishment of traffic police if carrying out maintenance replacement not in time, can also give and be brought greatly to driving
Security risk.Brake lamp traditional control method is to directly control Brake lamp or Brake lamp relay by switch, when Brake lamp damages
When, driver cannot obtain malfunction in time, even if being only to be sent to failure code if some intelligent object control modes
Instrument is shown, does not have due warning effect, and obstruction is caused to safe driving.
Authorization Notice No. is CN203713682U, and authorized announcement date is that the utility model patent on July 16th, 2014 discloses
A kind of braking instruction system and automobile comprising：It is used to indicate the Brake lamp of vehicle braking state, is carried in the case of mist for having
The Rear Fog Lamp of high vehicle identification degree, and when the Brake lamp meets ignition condition, cannot be lighted completely in Brake lamp, and rear mist
It when lamp is unsatisfactory for ignition condition, controls the Rear Fog Lamp and lights, substitute the controller that the Brake lamp carries out braking instruction, braking
Lamp, Rear Fog Lamp are connect by harness with controller.It, should although the design can ensure ride safety of automobile to a certain extent
Design can only could substitute Brake lamp in the case where Rear Fog Lamp does not use with Rear Fog Lamp, and the priority of braking is less than Rear Fog Lamp
The priority of opening, and during vehicle travels, no matter from importance or from frequency of use, mist after braking both greater than
Lamp prompts, therefore, which is unable to ensure the regular prompt of vehicle braking, and safety warning effect is poor.
The information for disclosing the background technology part is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or implying in any form that information composition has been the existing skill well known to persons skilled in the art
Art.
Invention content
The purpose of the utility model is to overcome the regular prompt existing in the prior art for being unable to ensure vehicle braking, safety
Warning effect poor defect and problem, providing a kind of can ensure that the regular prompt of vehicle braking, safety warning effect are preferable
Rear Fog Lamp substitute braking lamp control system.
In order to achieve the above object, the technical solution of the utility model is：A kind of Rear Fog Lamp replacement Brake lamp control system
System, including BCM controllers, automobile-used Brake lamp and automobile-used Rear Fog Lamp, the BCM controllers pass through harness and automobile-used Brake lamp, vehicle
It is connected with Rear Fog Lamp；The BCM controllers include that microprocessor chip, automobile-used Brake lamp driving chip and automobile-used Rear Fog Lamp drive
Dynamic chip, the side of the automobile-used Brake lamp driving chip are connected with automobile-used Brake lamp, automobile-used Brake lamp driving chip it is another
Side is connected through Brake lamp drive signal harness, Brake lamp current feedback harness with the side of microprocessor chip, microprocessor
The side of device chip is connected through Rear Fog Lamp signal harness with the side of automobile-used Rear Fog Lamp driving chip, and automobile-used Rear Fog Lamp drives core
The other side of piece is connected with automobile-used Rear Fog Lamp, and microprocessor chip is connected with brake switch, instrument board.
The Rear Fog Lamp signal harness includes Rear Fog Lamp drive signal harness and Rear Fog Lamp current feedback harness.
The automobile-used Brake lamp includes main vehicle Brake lamp and trailer braking protection valve lamp, and the automobile-used Rear Fog Lamp includes main vehicle Rear Fog Lamp
With trailer Rear Fog Lamp, main vehicle Brake lamp is corresponding with main vehicle Rear Fog Lamp, and trailer braking protection valve lamp is corresponding with trailer Rear Fog Lamp.
The microprocessor chip is connected through CAN bus with instrument board, and instrument often electricity insurance is connected on instrument board；Institute
It includes instrument display screen and malfunction indicator lamp to state instrument board, and faulty Chinese description portion and failure code are arranged on instrument display screen
Display unit.
The BCM controllers are successively through brake switch, ON grades of insurances, company of connecting with accumulator after ignition lock ON gear switch
It connects, and is connected with the BCM being in parallel with brake switch often electricity insurances on BCM controllers.
Compared with prior art, the beneficial effects of the utility model are：
1, a kind of Rear Fog Lamp of the utility model substitutes in braking lamp control system, the microprocessor chip in BCM controllers
It is connected respectively with automobile-used Brake lamp, automobile-used Rear Fog Lamp through automobile-used Brake lamp driving chip, automobile-used Rear Fog Lamp driving chip, it is automobile-used
Brake lamp driving chip is responsible for the acquisition of the driving and Brake lamp feedback current of automobile-used Brake lamp, and microprocessor chip is according to braking
The detection of lamp feedback current judges Brake lamp short circuit or open fault, and for failure once occurring, microprocessor chip can be after automobile-used
Fog lamp driving chip lights automobile-used Rear Fog Lamp to substitute automobile-used Brake lamp, and replacement operation is in highest priority, fundamentally
The timely prompt for ensuring Brake lamp, ensures being normally carried out for vehicle drive.Therefore, the utility model can ensure vehicle braking
Regular prompt, safety warning effect is preferable.
2, a kind of Rear Fog Lamp of the utility model substitutes in braking lamp control system, and microprocessor chip is fed back according to Brake lamp
Current calculation short circuit average value, open circuit average value, then by it with short-circuit calibration value, open circuit calibration value compare with judge short circuit or
Open fault, not only accuracy is higher for this kind of technique, and reaction speed is fast, and can take two kinds of short circuit, open circuit failures into account, avoids event
Barrier is omitted, and is avoided the carelessness of warning, is improved safety.Therefore, the utility model not only prompts accurate, prompt soon, but also safety
Warning effect is preferable.
3, a kind of Rear Fog Lamp of the utility model substitutes in braking lamp control system, and microprocessor chip is through CAN bus and instrument
Dial plate is connected, and instrument board includes instrument display screen and malfunction indicator lamp, and faulty Chinese description portion is arranged on instrument display screen
With failure code display unit, when Brake lamp breaks down, microprocessor chip is not only responsible for the behaviour that Rear Fog Lamp substitutes Brake lamp
Make, but also light malfunction indicator lamp, and shows Chinese failure-description and failure code, it is timely, awake to be carried out to driver
Mesh, comprehensive prompt, are conducive to the safety operation of driver and subsequent on-call maintenance, it is ensured that the safety that vehicle uses.Therefore,
The utility model not only prompts effect apparent in time, but also conducive to raising safety.
4, a kind of Rear Fog Lamp of the utility model substitutes in braking lamp control system, even if judging that Brake lamp breaks down it
Afterwards, microprocessor chip can still attempt to export high level drive signal to automobile-used Brake lamp driving chip, and acquire Brake lamp
The operating current that current feedback harness is fed back, to judge whether automobile-used Brake lamp restores, if having restored, mist after closing immediately
Modulating signal harness gives back the control of automobile-used Rear Fog Lamp, does not need human intervention switching, very convenient efficient.Therefore, this practicality
Novel to have Rear Fog Lamp auto restore facility, intelligence degree is higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of BCM controllers in Fig. 1.
Fig. 3 is the structural schematic diagram of instrument board in Fig. 1.
In figure：Accumulator 1, ignition lock ON gear switch 2, ON grades of insurances 3, BCM often electricity insurances 4, brake switch 5, BCM controls
Device 6, microprocessor chip 61, automobile-used Brake lamp driving chip 62, automobile-used Rear Fog Lamp driving chip 63, automobile-used Brake lamp 7, braking
Lamp drive signal harness 71, Brake lamp current feedback harness 72, automobile-used Rear Fog Lamp 8, Rear Fog Lamp signal harness 81, Rear Fog Lamp driving
In signal harness 811, Rear Fog Lamp current feedback harness 812, instrument board 9, instrument often electricity insurance 91, instrument display screen 92, failure
Literary description portion 921, failure code display unit 922, malfunction indicator lamp 93, CAN bus 10.
Specific implementation mode
The utility model is described in further detail below in conjunction with description of the drawings and specific implementation mode.
Referring to Fig. 1 to Fig. 3, a kind of Rear Fog Lamp replacement braking lamp control system, including BCM controllers 6, automobile-used Brake lamp 7
With automobile-used Rear Fog Lamp 8, the BCM controllers 6 are connected by harness with automobile-used Brake lamp 7, automobile-used Rear Fog Lamp 8；The BCM controls
Device 6 processed includes microprocessor chip 61, automobile-used Brake lamp driving chip 62 and automobile-used Rear Fog Lamp driving chip 63, the automobile-used system
The side of dynamic lamp driving chip 62 is connected with automobile-used Brake lamp 7, and the other side of automobile-used Brake lamp driving chip 62 is through Brake lamp
Drive signal harness 71, Brake lamp current feedback harness 72 are connected with the side of microprocessor chip 61, microprocessor chip
61 side is connected through Rear Fog Lamp signal harness 81 with the side of automobile-used Rear Fog Lamp driving chip 63, and automobile-used Rear Fog Lamp drives core
The other side of piece 63 is connected with automobile-used Rear Fog Lamp 8, and microprocessor chip 61 is connected with brake switch 5, instrument board 9.
The Rear Fog Lamp signal harness 81 includes Rear Fog Lamp drive signal harness 811 and Rear Fog Lamp current feedback harness 812.
The automobile-used Brake lamp 7 includes main vehicle Brake lamp and trailer braking protection valve lamp, and the automobile-used Rear Fog Lamp 8 includes mist after main vehicle
Lamp and trailer Rear Fog Lamp, main vehicle Brake lamp is corresponding with main vehicle Rear Fog Lamp, and trailer braking protection valve lamp is corresponding with trailer Rear Fog Lamp.
The microprocessor chip 61 is connected through CAN bus 10 with instrument board 9, and it is often electric to be connected with instrument on instrument board 9
Insurance 91；The instrument board 9 includes instrument display screen 92 and malfunction indicator lamp 93, and faulty Chinese is arranged on instrument display screen 92
Description portion 921 and failure code display unit 922.
The BCM controllers 6 are gone here and there after brake switch 5, ON grades of insurances 3, ignition lock ON gear switch 2 with accumulator 1 successively
Connection connection, and the BCM being in parallel with brake switch 5 often electricity insurances 4 are connected on BCM controllers 6.
The principles of the present invention are described as follows：
When the sufficient short circuit of acquisition judges required number, collected all operating currents are subjected to cumulative be averaged to obtain
Judge required number to short-circuit average value, and acquisition foot open circuit, collected all operating currents are subjected to cumulative make even
For mean value to obtain open circuit average value, the mode that both are calculated is consistent, such as：Assuming that operating current is I, n work is collected
Electric current I then carries out cumulative be averaged as follows to obtain Ie to n operating current.
Ie=(I1+I2+I3+In)/n.
If Ie is more than short-circuit calibration value or less than open circuit calibration value, corresponding to judge that Brake lamp occurs short trouble or opens
Road failure.Then according to depending on lamps and lanterns, belong to known preset parameter as short-circuit calibration value, open circuit calibration value.
Embodiment 1：
Referring to Fig. 1 to Fig. 3, a kind of Rear Fog Lamp replacement braking lamp control system, including BCM controllers 6, automobile-used Brake lamp 7
With automobile-used Rear Fog Lamp 8, the BCM controllers 6 are connected by harness with automobile-used Brake lamp 7, automobile-used Rear Fog Lamp 8；The BCM controls
Device 6 processed includes microprocessor chip 61, automobile-used Brake lamp driving chip 62 and automobile-used Rear Fog Lamp driving chip 63, the automobile-used system
The side of dynamic lamp driving chip 62 is connected with automobile-used Brake lamp 7, and the other side of automobile-used Brake lamp driving chip 62 is through Brake lamp
Drive signal harness 71, Brake lamp current feedback harness 72 are connected with the side of microprocessor chip 61, microprocessor chip
61 side is connected through Rear Fog Lamp signal harness 81 with the side of automobile-used Rear Fog Lamp driving chip 63, and automobile-used Rear Fog Lamp drives core
The other side of piece 63 is connected with automobile-used Rear Fog Lamp 8, and microprocessor chip 61 is connected with brake switch 5, instrument board 9.It is excellent
It includes Rear Fog Lamp drive signal harness 811 and Rear Fog Lamp current feedback harness 812 to select Rear Fog Lamp signal harness 81.
A kind of above-mentioned Rear Fog Lamp substitutes the application method of braking lamp control system, and the application method includes the event of Brake lamp
Barrier detection and judge technique, the fault detect of the Brake lamp and judges that technique includes the following steps：When micro- in BCM controllers 6
When processor chips 61 receive the brake signal that the closure of brake switch 5 is transmitted, microprocessor chip 61 drives through Brake lamp
Dynamic signal harness 71 exports high level drive signal to automobile-used Brake lamp driving chip 62, automobile-used Brake lamp driving chip is connected
62, and automobile-used Brake lamp 7 is driven, after automobile-used Brake lamp driving chip 62 converts the driving current of automobile-used Brake lamp 7 in proportion
Brake lamp feedback current is obtained, which feeds back to microprocessor chip 61 through Brake lamp current feedback harness 72
Place is sampled, and collecting an operating current every time will be collected all when foot short circuit to be collected judges required number
Operating current add up and is averaged to obtain short-circuit average value, if short-circuit average value is more than short-circuit calibration value, judges
Short trouble occurs for Brake lamp, if short-circuit average value is less than or equal to short-circuit calibration value, the acquisition of operating current continues,
Until number needed for the sufficient open circuit judgement of acquisition, at this point, collected all operating currents are carried out cumulative be averaged to obtain
To open circuit average value, if open circuit average value is less than open circuit calibration value, judge that open fault occurs for Brake lamp, if open circuit is flat
Mean value is more than or equal to open circuit calibration value, then Brake lamp is without faulty.It is preferred that short circuit judges that required number is 8-50 times, open circuit is sentenced
Number needed for disconnected is 100-300 times；Further preferably short circuit judges that required number is 40 times, and the open circuit judges required number
It is 280 times.
Embodiment 2：
Substance with embodiment 1, the difference is that：
Above-mentioned microprocessor chip 61 is connected through CAN bus 10 with instrument board 9, and it is often electric to be connected with instrument on instrument board 9
Insurance 91；The instrument board 9 includes instrument display screen 92 and malfunction indicator lamp 93, and faulty Chinese is arranged on instrument display screen 92
Description portion 921 and failure code display unit 922.
Above-mentioned application method further includes replacement and the prompt technique braked after lamp failure, replacement after the braking lamp failure and
Prompt technique includes the following steps：When microprocessor chip 61 detects that short circuit or open fault occur for Brake lamp, microprocessor
Device chip 61 is successively through Rear Fog Lamp signal harness 81, automobile-used Rear Fog Lamp driving chip 63 to drive automobile-used Rear Fog Lamp 8 to light to replace
For Brake lamp, meanwhile, fault message is sent to instrument board 9 by microprocessor chip 61, to light malfunction indicator lamp 93, and in failure
Correspondence shows Chinese failure-description, failure code in Chinese description portion 921, failure code display unit 922.
Embodiment 3：
Substance with embodiment 1, the difference is that：
The automobile-used Brake lamp 7 includes main vehicle Brake lamp and trailer braking protection valve lamp, and the automobile-used Rear Fog Lamp 8 includes mist after main vehicle
Lamp and trailer Rear Fog Lamp, main vehicle Brake lamp is corresponding with main vehicle Rear Fog Lamp, and trailer braking protection valve lamp is corresponding with trailer Rear Fog Lamp.
Embodiment 4：
Substance with embodiment 1, the difference is that：
Above-mentioned application method further includes the automatic recovery technique after Brake lamp trouble shooting, after the Brake lamp trouble shooting
Automatic technique of restoring includes the following steps：After short circuit or open fault occur for automobile-used Brake lamp 7, when microprocessor chip 61
When receiving the brake signal that the closure of brake switch 5 is transmitted, microprocessor chip 61 still attempts output high level driving
Signal gives automobile-used Brake lamp driving chip 62, and acquires the operating current that Brake lamp current feedback harness 72 is fed back, if can adopt
The short-circuit average value for collecting operating current, and calculating gained is more than less than the open circuit average value of short-circuit calibration value or calculating gained to be opened
Road sign definite value then judges that automobile-used Brake lamp 7 has restored, then closes Rear Fog Lamp signal harness 81 immediately, give back automobile-used Rear Fog Lamp 8
Control.
Claims (5)
1. a kind of Rear Fog Lamp substitutes braking lamp control system, including BCM controllers (6), automobile-used Brake lamp (7) and automobile-used Rear Fog Lamp
(8), the BCM controllers (6) are connected by harness with automobile-used Brake lamp (7), automobile-used Rear Fog Lamp (8), it is characterised in that：
The BCM controllers (6) include that microprocessor chip (61), automobile-used Brake lamp driving chip (62) and automobile-used Rear Fog Lamp drive
Dynamic chip (63), the side of the automobile-used Brake lamp driving chip (62) are connected with automobile-used Brake lamp (7), and automobile-used Brake lamp drives
The other side of dynamic chip (62) is through Brake lamp drive signal harness (71), Brake lamp current feedback harness (72) and microprocessor core
The side of piece (61) is connected, and the side of microprocessor chip (61) drives through Rear Fog Lamp signal harness (81) and automobile-used Rear Fog Lamp
The side of chip (63) is connected, and the other side of automobile-used Rear Fog Lamp driving chip (63) is connected with automobile-used Rear Fog Lamp (8), and micro-
Processor chips (61) are connected with brake switch (5), instrument board (9).
2. a kind of Rear Fog Lamp according to claim 1 substitutes braking lamp control system, it is characterised in that：The Rear Fog Lamp letter
Number harness (81) includes Rear Fog Lamp drive signal harness (811) and Rear Fog Lamp current feedback harness (812).
3. a kind of Rear Fog Lamp according to claim 1 or 2 substitutes braking lamp control system, it is characterised in that：It is described automobile-used
Brake lamp (7) includes main vehicle Brake lamp and trailer braking protection valve lamp, and the automobile-used Rear Fog Lamp (8) includes main vehicle Rear Fog Lamp and mist after trailer
Lamp, main vehicle Brake lamp is corresponding with main vehicle Rear Fog Lamp, and trailer braking protection valve lamp is corresponding with trailer Rear Fog Lamp.
4. a kind of Rear Fog Lamp according to claim 1 or 2 substitutes braking lamp control system, it is characterised in that：Micro- place
Reason device chip (61) is connected through CAN bus (10) with instrument board (9), and instrument often electricity insurance (91) is connected on instrument board (9)；
The instrument board (9) includes instrument display screen (92) and malfunction indicator lamp (93), be arranged on instrument display screen (92) it is faulty in
Literary description portion (921) and failure code display unit (922).
5. a kind of Rear Fog Lamp according to claim 1 or 2 substitutes braking lamp control system, it is characterised in that：The BCM controls
Device (6) processed is connected in series with after brake switch (5), ON grades of insurances (3), ignition lock ON gear switch (2) with accumulator (1) successively,
And the BCM being in parallel with brake switch (5) often electricity insurances (4) are connected on BCM controllers (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820039377.1U CN207955471U (en) | 2018-01-10 | 2018-01-10 | Control system for replacing brake lamp with rear fog lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820039377.1U CN207955471U (en) | 2018-01-10 | 2018-01-10 | Control system for replacing brake lamp with rear fog lamp |
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| Publication Number | Publication Date |
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| CN207955471U true CN207955471U (en) | 2018-10-12 |
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ID=63732806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820039377.1U Active CN207955471U (en) | 2018-01-10 | 2018-01-10 | Control system for replacing brake lamp with rear fog lamp |
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| CN (1) | CN207955471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116308A (en) * | 2018-01-10 | 2018-06-05 | 东风商用车有限公司 | Control system for replacing brake lamp with rear fog lamp and use method of control system |
| CN111301283A (en) * | 2020-03-25 | 2020-06-19 | 北京汽车股份有限公司 | Vehicle lamp control method, device and system and vehicle |
-
2018
- 2018-01-10 CN CN201820039377.1U patent/CN207955471U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116308A (en) * | 2018-01-10 | 2018-06-05 | 东风商用车有限公司 | Control system for replacing brake lamp with rear fog lamp and use method of control system |
| CN111301283A (en) * | 2020-03-25 | 2020-06-19 | 北京汽车股份有限公司 | Vehicle lamp control method, device and system and vehicle |
| CN111301283B (en) * | 2020-03-25 | 2022-04-29 | 北京汽车股份有限公司 | Vehicle lamp control method, device and system and vehicle |
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