CN108116308A - A kind of Rear Fog Lamp substitutes braking lamp control system and its application method - Google Patents
A kind of Rear Fog Lamp substitutes braking lamp control system and its application method Download PDFInfo
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- CN108116308A CN108116308A CN201810024052.0A CN201810024052A CN108116308A CN 108116308 A CN108116308 A CN 108116308A CN 201810024052 A CN201810024052 A CN 201810024052A CN 108116308 A CN108116308 A CN 108116308A
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- lamp
- automobile
- rear fog
- brake
- brake lamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
A kind of Rear Fog Lamp substitutes braking lamp control system, including microprocessor chip, automobile-used Brake lamp driving chip, automobile-used Rear Fog Lamp driving chip, automobile-used Brake lamp and automobile-used Rear Fog Lamp, wherein, microprocessor chip is connected through automobile-used Rear Fog Lamp driving chip with automobile-used Rear Fog Lamp, simultaneously, microprocessor chip is through Brake lamp drive signal harness, Brake lamp current feedback harness is connected with automobile-used Brake lamp driving chip, automobile-used Brake lamp driving chip is connected with automobile-used Brake lamp, microprocessor chip and brake switch, instrument board is connected, using when, microprocessor chip can detect, judge Brake lamp whether failure, and replacement and the warning of Brake lamp are carried out after the failure, it can also recover Rear Fog Lamp automatically after Brake lamp trouble shooting.The design can not only ensure the regular prompt of vehicle braking, and safety warning effect is preferable, and prompting effect is apparent in time, and intelligence degree is higher.
Description
Technical field
The present invention relates to a kind of taillight control systems, belong to auto lamp control field more particularly to a kind of Rear Fog Lamp substitutes
Lamp control system and its application method are braked, it is particularly applicable to can be ensured that the regular prompt of vehicle braking, safety warning effect
Preferably.
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 if carrying out maintenance replacement not in time, may not only face the punishment of traffic police, can also give and driving is brought greatly
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, also be only to be sent to failure code even 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 discloses for the utility model patent on July 16th, 2014
A kind of braking instruction system and automobile, including：The Brake lamp of vehicle on-position is used to indicate, is carried for having in the case of mist
The Rear Fog Lamp of high vehicle identification degree and when the Brake lamp meets ignition condition, cannot light completely in Brake lamp, and rear mist
When lamp is unsatisfactory for ignition condition, the Rear Fog Lamp is controlled to light, substitute the controller that the Brake lamp carries out braking instruction, braking
Lamp, Rear Fog Lamp are connected 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 Rear Fog Lamp in the case of 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 is prompted, therefore, which can not ensure the regular prompt of vehicle braking, and safety warning effect is poor.
The information for disclosing the background section is merely intended to increase the understanding to the general background of present patent application, without
It should be considered as recognizing or imply that the information structure has been the existing skill well known to persons skilled in the art in any form
Art.
The content of the invention
The purpose of the present invention is overcome regular prompt, the security warning in the prior art that can not be ensured vehicle and brake
The defects of effect is poor and problem, provide it is a kind of can be ensured that vehicle braking regular prompt, safety warning effect it is preferable after
Fog lamp substitutes braking lamp control system and its application method.
In order to achieve the above object, the technical solution of the present invention is：A kind of Rear Fog Lamp substitutes braking lamp control system, bag
BCM controllers, automobile-used Brake lamp and automobile-used Rear Fog Lamp are included, the BCM controllers pass through harness and automobile-used Brake lamp, automobile-used rear mist
Lamp is connected；The BCM controllers include microprocessor chip, automobile-used Brake lamp driving chip and automobile-used Rear Fog Lamp and drive core
Piece, the one side of the automobile-used Brake lamp driving chip are connected with automobile-used Brake lamp, the opposite side of automobile-used Brake lamp driving chip
It is connected through Brake lamp drive signal harness, Brake lamp current feedback harness with the one side of microprocessor chip, microprocessor core
The one side of piece is connected through Rear Fog Lamp signal harness with the one side of automobile-used Rear Fog Lamp driving chip, automobile-used Rear Fog Lamp driving chip
Opposite side 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
Stating instrument board includes instrument display screen and malfunction indicator lamp, and faulty Chinese description portion and failure code are set 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 the BCM being in parallel with brake switch often electricity insurances is connected on BCM controllers.
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 judge that technique comprises the following steps：When micro- place in BCM controllers
When reason device chip receives the brake signal that brake switch closure is transferred, microprocessor chip is through Brake lamp drive signal line
Beam exports high level drive signal to automobile-used Brake lamp driving chip, to turn on automobile-used Brake lamp driving chip, and drives automobile-used
Brake lamp, automobile-used Brake lamp driving chip obtain Brake lamp feedback electricity after the driving current of automobile-used Brake lamp is converted in proportion
Stream, the Brake lamp feedback current feed back at microprocessor chip through Brake lamp current feedback harness and are sampled, and gather every time
To an operating current, needed for foot short circuit judgement to be collected during number, all operating currents collected are subjected to cumulative take
Average value is to obtain short-circuit average value, if short-circuit average value is more than short-circuit calibration value, judges that 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 acquisition foot open circuit judges
Required number is averaged to obtain open circuit average value, if opened at this point, all operating currents collected add up
Road average value is less than open circuit calibration value, then judges that open fault occurs for Brake lamp, is marked if open circuit average value is more than or equal to open circuit
Definite value, then Brake lamp is without faulty.
The short circuit judge needed for number as 8-50 times, it is described open circuit judge needed for number as 100-300 times.
The short circuit judge needed for number as 40 times, the open circuit judge needed for number as 280
The application method further includes replacement and the prompting technique after braking lamp failure, replacement after the braking lamp failure and
Prompting technique comprises the following steps：When microprocessor chip detects that short circuit or open fault occur for Brake lamp, microprocessor
Chip successively through Rear Fog Lamp signal harness, automobile-used Rear Fog Lamp driving chip automobile-used Rear Fog Lamp to be driven to light to substitute Brake lamp,
Meanwhile fault message is sent to instrument board by microprocessor chip, to light malfunction indicator lamp, and in failure Chinese description portion, event
Correspondence shows Chinese failure-description, failure code on barrier code display unit.
The application method further includes the automatic recovery technique after Brake lamp trouble shooting, after the Brake lamp trouble shooting
Automatic technique of recovering comprises the following steps：After short circuit or open fault occur for automobile-used Brake lamp, when microprocessor chip connects
When receiving the brake signal that brake switch closure is transferred, microprocessor chip still attempt to export high level drive signal to
Automobile-used Brake lamp driving chip, and the operating current that Brake lamp current feedback harness is fed back is gathered, if work electricity can be collected
It flows, and the short-circuit average value for calculating gained is less than short-circuit calibration value or the open circuit average value of calculating gained is more than open circuit calibration value,
Then judge that automobile-used Brake lamp has recovered, then close Rear Fog Lamp signal harness immediately, give back the control of automobile-used Rear Fog Lamp.
Compared with prior art, beneficial effects of the present invention are：
1st, a kind of Rear Fog Lamp of the present invention is substituted in braking lamp control system and its application method, micro- place in BCM controllers
Manage device chip through automobile-used Brake lamp driving chip, automobile-used Rear Fog Lamp driving chip respectively with automobile-used Brake lamp, automobile-used Rear Fog Lamp phase
Connection, automobile-used Brake lamp driving chip are responsible for the driving of automobile-used Brake lamp and the acquisition of Brake lamp feedback current, microprocessor core
Piece detects according to Brake lamp feedback current, judges Brake lamp short circuit or open fault, once occurring, microprocessor chip is failure
Automobile-used Rear Fog Lamp can be lighted to substitute automobile-used Brake lamp through automobile-used Rear Fog Lamp driving chip, replacement operation is preferential in highest
Grade, fundamentally ensures the timely prompting of Brake lamp, ensures being normally carried out for vehicle drive.Therefore, the present invention can be ensured that
The regular prompt of vehicle braking, safety warning effect are preferable.
2nd, a kind of Rear Fog Lamp of the present invention is substituted in braking lamp control system and its application method, and microprocessor chip is according to system
Dynamic lamp feedback current calculates short-circuit average value, open circuit average value, then it is compared to sentence with short-circuit calibration value, open circuit calibration value
Disconnected 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 events into account
Barrier, avoids failure from omitting, and avoids the carelessness of warning, improves security.Therefore, not only prompting is accurate, prompting is fast by the present invention, but also
Safety warning effect is preferable.
3rd, a kind of Rear Fog Lamp of the present invention is substituted in braking lamp control system and its application method, and microprocessor chip is through CAN
Bus is connected with instrument board, and instrument board includes instrument display screen and malfunction indicator lamp, set on instrument display screen it is faulty in
Literary description portion and failure code display unit, when Brake lamp breaks down, microprocessor chip is not only responsible for Rear Fog Lamp and substitutes system
The operation of dynamic lamp, but also malfunction indicator lamp is lighted, and show Chinese failure-description and failure code, to be carried out to driver
In time, eye-catching, comprehensive prompting, safety operation and subsequent on-call maintenance beneficial to driver, it is ensured that the peace that vehicle uses
Entirely.Therefore, the present invention not only prompts effect apparent in time, but also beneficial to raising security.
4th, a kind of Rear Fog Lamp of the present invention is substituted in braking lamp control system and its application method, even if judging Brake lamp hair
After raw failure, microprocessor chip can still attempt to export high level drive signal to automobile-used Brake lamp driving chip, and adopt
The operating current that collection Brake lamp current feedback harness is fed back, to judge whether automobile-used Brake lamp recovers, if having recovered, immediately
Rear Fog Lamp signal harness is closed, gives back the control of automobile-used Rear Fog Lamp, human intervention switching is not required, it is very convenient efficient.Cause
This, the present invention possesses Rear Fog Lamp auto restore facility, and intelligence degree is higher.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of BCM controllers in Fig. 1.
Fig. 3 is the structure 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 embodiment
Below in conjunction with description of the drawings, the present invention is described in further detail with specific embodiment.
Referring to Fig. 1 to Fig. 3, a kind of Rear Fog Lamp substitutes 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 one side of dynamic lamp driving chip 62 is connected with automobile-used Brake lamp 7, and the opposite 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 one side of microprocessor chip 61, microprocessor chip
61 one side is connected through Rear Fog Lamp signal harness 81 with the one side of automobile-used Rear Fog Lamp driving chip 63, and automobile-used Rear Fog Lamp drives core
The opposite 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 set 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.
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 judge that technique comprises 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 transferred, microprocessor chip 61 drives through Brake lamp
Dynamic signal harness 71 exports high level drive signal to automobile-used Brake lamp driving chip 62, to turn on automobile-used Brake lamp driving chip
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 collects an operating current every time, all by what is collected needed for foot short circuit judgement to be collected during 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,
Up to gathering number needed for foot open circuit judgement, it is averaged to obtain at this point, all operating currents collected add up
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
Average is more than or equal to open circuit calibration value, then Brake lamp is without faulty.
The short circuit judge needed for number as 8-50 times, it is described open circuit judge needed for number as 100-300 times.
The short circuit judge needed for number as 40 times, the open circuit judge needed for number as 280
The application method further includes replacement and the prompting technique after braking lamp failure, replacement after the braking lamp failure and
Prompting technique comprises 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.
The application method further includes the automatic recovery technique after Brake lamp trouble shooting, after the Brake lamp trouble shooting
Automatic technique of recovering comprises 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 transferred, microprocessor chip 61 still attempts output high level driving
Signal gives automobile-used Brake lamp driving chip 62, and gathers the operating current that Brake lamp current feedback harness 72 is fed back, if can adopt
Collect operating current, and the short-circuit average value for calculating gained is less than short-circuit calibration value or calculates the open circuit average value of gained and is more than and opens
Road sign definite value then judges that automobile-used Brake lamp 7 has recovered, then closes Rear Fog Lamp signal harness 81 immediately, give back automobile-used Rear Fog Lamp 8
Control.
The principle of the present invention is described as follows：
When gathering number needed for foot short circuit judgement, all operating currents collected, which add up, to be averaged to obtain
To number needed for short-circuit average value and acquisition foot open circuit judgement, all operating currents collected are subjected to cumulative make even
For average 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 n operating current add up is averaged as follows to obtain Ie.
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 substitutes 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 one side of dynamic lamp driving chip 62 is connected with automobile-used Brake lamp 7, and the opposite 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 one side of microprocessor chip 61, microprocessor chip
61 one side is connected through Rear Fog Lamp signal harness 81 with the one side of automobile-used Rear Fog Lamp driving chip 63, and automobile-used Rear Fog Lamp drives core
The opposite 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
Rear Fog Lamp signal harness 81 is selected to include Rear Fog Lamp drive signal harness 811 and Rear Fog Lamp current feedback harness 812.
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 judge that technique comprises 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 transferred, microprocessor chip 61 drives through Brake lamp
Dynamic signal harness 71 exports high level drive signal to automobile-used Brake lamp driving chip 62, to turn on automobile-used Brake lamp driving chip
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 collects an operating current every time, all by what is collected needed for foot short circuit judgement to be collected during 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,
Up to gathering number needed for foot open circuit judgement, it is averaged to obtain at this point, all operating currents collected add up
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
Average is more than or equal to open circuit calibration value, then Brake lamp is without faulty.It is preferred that short circuit judge needed for number as 8-50 times, open circuit is sentenced
Number needed for disconnected is 100-300 times；Further preferably short circuit judge needed for number as 40 times, it is described open a way judgement needed for number
For 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 set on instrument display screen 92
Description portion 921 and failure code display unit 922.
Above-mentioned application method further includes replacement and the prompting technique after braking lamp failure, replacement after the braking lamp failure and
Prompting technique comprises 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 recovering comprises 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 transferred, microprocessor chip 61 still attempts output high level driving
Signal gives automobile-used Brake lamp driving chip 62, and gathers the operating current that Brake lamp current feedback harness 72 is fed back, if can adopt
Collect operating current, and the short-circuit average value for calculating gained is less than short-circuit calibration value or calculates the open circuit average value of gained and is more than and opens
Road sign definite value then judges that automobile-used Brake lamp 7 has recovered, then closes Rear Fog Lamp signal harness 81 immediately, give back automobile-used Rear Fog Lamp 8
Control.
Claims (10)
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 microprocessor chip (61), automobile-used Brake lamp driving chip (62) and automobile-used Rear Fog Lamp and drive
Dynamic chip (63), the one 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 opposite side of dynamic chip (62) is through Brake lamp drive signal harness (71), Brake lamp current feedback harness (72) and microprocessor core
The one side of piece (61) is connected, and the one side of microprocessor chip (61) drives through Rear Fog Lamp signal harness (81) and automobile-used Rear Fog Lamp
The one side of chip (63) is connected, and the opposite 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), set 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 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).
6. a kind of Rear Fog Lamp described in claim 1 substitutes the application method of braking lamp control system, it is characterised in that described to make
With the fault detect of method including Brake lamp and judge technique, the fault detect of the Brake lamp and judge that technique includes following step
Suddenly：
Next brake signal is transferred when the microprocessor chip (61) in BCM controllers (6) receives brake switch (5) closure
When, microprocessor chip (61) exports high level drive signal through Brake lamp drive signal harness (71) and is driven to automobile-used Brake lamp
Chip (62) to turn on automobile-used Brake lamp driving chip (62), and drives automobile-used Brake lamp (7), automobile-used Brake lamp driving chip
(62) Brake lamp feedback current is obtained after the driving current of automobile-used Brake lamp (7) is converted in proportion, the Brake lamp feedback current
It feeds back at microprocessor chip (61) and is sampled through Brake lamp current feedback harness (72), collect a work electricity every time
Stream, needed for foot short circuit judgement to be collected during number, all operating currents collected, which add up, to be averaged to obtain
Short-circuit average value if short-circuit average value is more than short-circuit calibration value, judges that short trouble occurs for Brake lamp, if short circuit is average
Value is less than or equal to short circuit calibration value, then the acquisition of operating current continues, until number needed for acquisition foot open circuit judgement, this
When, all operating currents collected, which add up, to be averaged to obtain open circuit average value, if open circuit average value is small
In open circuit calibration value, then judge that open fault occurs for Brake lamp, if open circuit average value is more than or equal to open circuit calibration value, brake
Lamp is without faulty.
7. a kind of Rear Fog Lamp according to claim 6 substitutes the application method of braking lamp control system, it is characterised in that：Institute
State short circuit judge needed for number as 8-50 times, it is described open a way judge needed for number as 100-300 times.
8. a kind of Rear Fog Lamp according to claim 7 substitutes the application method of braking lamp control system, it is characterised in that：Institute
State short circuit judge needed for number as 40 times, it is described open a way judge needed for number as 280 times.
9. a kind of Rear Fog Lamp according to claim 6 substitutes the application method of braking lamp control system, it is characterised in that institute
It states application method and further includes replacement and prompting technique after braking lamp failure, the replacement after the braking lamp failure is with prompting technique bag
Include following steps：
When microprocessor chip (61) detects that short circuit or open fault occur for Brake lamp, microprocessor chip (61) passes through successively
Rear Fog Lamp signal harness (81), automobile-used Rear Fog Lamp driving chip (63) automobile-used Rear Fog Lamp (8) to be driven to light to substitute 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 on literary description portion (921), failure code display unit (922).
10. a kind of Rear Fog Lamp according to claim 6 substitutes the application method of braking lamp control system, it is characterised in that institute
It states application method and further includes the automatic recovery technique after Brake lamp trouble shooting, the automatic recovery work after the Brake lamp trouble shooting
Skill comprises the following steps：
After short circuit or open fault occur for automobile-used Brake lamp (7), when microprocessor chip (61) receives brake switch (5)
When being closed the brake signal for transferring and, microprocessor chip (61) still attempts to export high level drive signal to automobile-used braking
Lamp driving chip (62), and the operating current that Brake lamp current feedback harness (72) is fed back is gathered, if work electricity can be collected
It flows, and the short-circuit average value for calculating gained is less than short-circuit calibration value or the open circuit average value of calculating gained is more than open circuit calibration value,
Then judge that automobile-used Brake lamp (7) has recovered, then close Rear Fog Lamp signal harness (81) immediately, give back the control of automobile-used Rear Fog Lamp (8)
System power.
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| CN201810024052.0A CN108116308A (en) | 2018-01-10 | 2018-01-10 | A kind of Rear Fog Lamp substitutes braking lamp control system and its application method |
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| CN110182131A (en) * | 2019-04-10 | 2019-08-30 | 汉腾汽车有限公司 | A kind of Brake lamp fault handling method |
| CN112874432A (en) * | 2021-02-08 | 2021-06-01 | 一汽解放汽车有限公司 | Brake lamp control system and method and driving equipment |
| CN113071405A (en) * | 2021-03-30 | 2021-07-06 | 一汽解放汽车有限公司 | Daytime running lamp drive control method and device, computer equipment and storage medium |
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| CN112874432A (en) * | 2021-02-08 | 2021-06-01 | 一汽解放汽车有限公司 | Brake lamp control system and method and driving equipment |
| CN113071405A (en) * | 2021-03-30 | 2021-07-06 | 一汽解放汽车有限公司 | Daytime running lamp drive control method and device, computer equipment and storage medium |
| CN113071405B (en) * | 2021-03-30 | 2022-12-09 | 一汽解放汽车有限公司 | Daytime running lamp drive control method and device, computer equipment and storage medium |
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