CN110356316A - Car lamp control system - Google Patents
Car lamp control system Download PDFInfo
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- CN110356316A CN110356316A CN201910578153.7A CN201910578153A CN110356316A CN 110356316 A CN110356316 A CN 110356316A CN 201910578153 A CN201910578153 A CN 201910578153A CN 110356316 A CN110356316 A CN 110356316A
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- Prior art keywords
- brake
- lamp module
- controller
- lamp
- connect
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Classifications
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/29—Circuits providing for substitution of the light source in case of its failure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The embodiment of the present invention provides a kind of car lamp control system, applied to electric vehicle, comprising: controller, brake lamp module and spare lamp module, spare lamp module include resistor voltage divider circuit and switching circuit, wherein, controller is connect with brake lamp module and switching circuit respectively；Resistor voltage divider circuit is connect with brake lamp module and switching circuit respectively；Controller is used for, and after determining that electric vehicle has brake to be intended to, sends voltage signal to brake lamp module and switching circuit；When the working condition for the lamp module that brakes is Fisrt fault state, brake lamp module is in open-circuit condition, and the partial pressure value of resistor voltage divider circuit is less than or equal to the first preset voltage value, so that switching circuit is closed, lights the stand-by lamp in spare lamp module.For reducing the incidence of safety accident.
Description
Technical field
The present embodiments relate to the field electronic circuit A more particularly to a kind of car lamp control systems.
Background technique
Braking system is usually provided in electric vehicle, wherein braking system includes brake pedal and brake lamp, wherein system
Dynamic pedal is used to receive the brake operation of user's input, and after user inputs brake operation, brake lamp normal luminous is realized backward
The brake that square vehicle transmits the electric vehicle is intended to.
In practical applications, it usually needs to the working condition (including: normal condition and malfunction) of braking system into
Row detection.Currently, including the detection components such as brake lamp and brake pedal work shape to the detection of the working condition of braking system
State, to determine the working condition of braking system according to the detection components working condition such as brake lamp and brake pedal.Above-mentioned
In the process, if electrical contact is bad or aging circuit, brake lamp can not normal luminous, and then can not rearward vehicle pass
It passs accurately brake to be intended to, causes the incidence of safety accident higher.
Summary of the invention
The embodiment of the present invention provides a kind of car lamp control system, for reducing the incidence of safety accident.
In a first aspect, the embodiment of the present invention provides a kind of car lamp control system, it is applied to electric vehicle, comprising: include: control
Device, brake lamp module and spare lamp module processed, the spare lamp module includes resistor voltage divider circuit and switching circuit, wherein
The controller is connect with the brake lamp module and the switching circuit respectively；
The resistor voltage divider circuit is connect with the brake lamp module and the switching circuit respectively；
The controller is used for, after determining that the electric vehicle has brake to be intended to, to the brake lamp module and institute
It states switching circuit and sends voltage signal；
When the working condition of the brake lamp module is Fisrt fault state, the brake lamp module is in open circuit shape
The partial pressure value of state, the resistor voltage divider circuit is less than or equal to the first preset voltage value, so that the switching circuit is closed, point
Stand-by lamp in the bright spare lamp module.
In a kind of possible embodiment, the resistor voltage divider circuit includes: first resistor, the switching circuit packet
It includes: triode, the spare lamp module further include: second resistance and at least one stand-by lamp, wherein
One end of the first resistor is connect with the brake lamp module, the other end of the first resistor and triode
Base stage connection；
One end of the second resistance is connect with the controller, the collection of one end of the second resistance and the triode
Electrode connection, the emitter of the triode are connect with the controller；
At least one described stand-by lamp is in parallel with the collector and emitter of the triode.
In alternatively possible embodiment, at least one described stand-by lamp be light emitting diode, it is described at least one
The number of stand-by lamp is 4.
In alternatively possible embodiment, the brake lamp module includes: switch, brake lamp and 3rd resistor,
Wherein,
The switch is connect with one end of the controller, the brake lamp respectively, the other end difference of the brake lamp
It is connect with one end of the spare lamp module, the 3rd resistor, the other end of the 3rd resistor is connect with the controller.
In alternatively possible embodiment, the switch is relay,
The relay is used to execute closed procedure according to the control signal；
After the relay executes closed procedure, if the non-lit up duration of the brake lamp is more than or equal to the
When one preset duration, then the working condition of the brake lamp module is the Fisrt fault state.
In alternatively possible embodiment, the system also includes: driving motor and instrument board, wherein
The driving motor and the instrument board are connect with the controller respectively；
The controller is used for, when the working condition of the brake lamp module is the Fisrt fault state, Xiang Suoshu
Driving motor sends torque, and Xiang Suoshu instrument board sends the Fisrt fault state；
The instrument board is used for, and shows the Fisrt fault state；
The driving motor is used for, and is travelled according to electric vehicle described in the moment of torsion control.
In alternatively possible embodiment, the controller is also used to, and is determining the electric vehicle without brake
After intention, if it is detected that the number that the brake lamp is lit in the second preset duration is more than or equal to preset times and every
It is secondary when lighting lasting duration more than or equal to third preset duration, it is determined that the working condition of the brake lamp module is second
Malfunction.
In alternatively possible embodiment, the controller is also used to, and sends the second failure shape to instrument board
State, so that the instrument board shows second malfunction, the instrument board is connect with the controller.
In alternatively possible embodiment, the system also includes: brake pedal, the brake pedal and the control
Device connection processed；
The brake pedal is used for, and receives the brake operating of user's input, generates brake signal according to the brake operating；
The controller is used for, and obtains the brake signal, and according to the brake signal, determines that the electric vehicle is
It is no to there is brake to be intended to.
In alternatively possible embodiment, the controller is specifically used for:
Judge the voltage value of the brake signal and the size of the second preset voltage value；
If the voltage value of the brake signal is more than or equal to second preset voltage value, the electric vehicle is determined
There is brake be intended to；
If the voltage value of the brake signal is less than second preset voltage value, determine the electric vehicle without brake
It is intended to.
Car lamp control system provided in an embodiment of the present invention, comprising: controller, brake lamp module and spare lamp module,
Spare lamp module includes resistor voltage divider circuit and switching circuit, wherein controller connects with brake lamp module and switching circuit respectively
It connects.Resistor voltage divider circuit is connect with brake lamp module and switching circuit respectively.Controller is used to determine that electric vehicle has brake
After vehicle is intended to, voltage signal is sent to brake lamp module and switching circuit.It is Fisrt fault in the working condition of brake lamp module
When state, brake lamp module is in open-circuit condition, and the partial pressure value of resistor voltage divider circuit is less than or equal to the first preset voltage value,
So that switching circuit is closed, the stand-by lamp in spare lamp module is lighted.In above process, the working condition of lamp module of braking is
When Fisrt fault state, the stand-by lamp in spare lamp module is lighted, to realize through stand-by lamp rearward vehicle transmitting accurately
Brake be intended to, and then reduce safety accident incidence.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the application scenarios schematic diagram of car lamp control system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram one of car lamp control system provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram two of car lamp control system provided in an embodiment of the present invention；
Fig. 4 is the circuit connection diagram of brake lamp module provided in an embodiment of the present invention and spare lamp module.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is the application scenarios schematic diagram of car lamp control system provided in an embodiment of the present invention.As shown in Figure 1, comprising: the
One vehicle 10, the second vehicle 11, brake lamp 101 and stand-by lamp 102.
Wherein, the first vehicle 10 is located at the front of the second vehicle 11, and brake lamp 101 and stand-by lamp 102 are arranged in the first vehicle
On 10, brake lamp 101 and stand-by lamp 102 can shine, can be to the second vehicle when brake lamp 101 or stand-by lamp 102 shine
The brake that the first vehicle 10 is transmitted in 11 is intended to.
Specifically, the first vehicle 10 is electric vehicle, car lamp control system is provided in the first vehicle 10 and (is not shown in Fig. 1
Out), car lamp control system includes: brake lamp 101 and stand-by lamp 102, brake lamp 101 and stand-by lamp in car lamp control system
The 102 exposed outsides in the first vehicle 10.
In 10 operational process of the first vehicle, when there is the first vehicle 10 brake to be intended to, 101 normal luminous of brake lamp,
It is intended to transmit the brake of the first vehicle 10 into the second vehicle 11.If brake lamp 101 can not normal luminous when, stand-by lamp
102 shine, so that the brake that the driver into the second vehicle 11 transmits the first vehicle 10 is intended to.In above process, exist
Brake lamp 101 can not normal luminous when, stand-by lamp 102 shines, and the is transmitted into the second vehicle 11 by luminous stand-by lamp 102
The brake of one vehicle 10 is intended to, and reduces the incidence of safety accident, avoid in the prior art because brake lamp can not normal luminous,
So as to cause the higher problem of incidence of safety accident.
In the following, technical solution shown in the application is described in detail by specific embodiment.Under it should be noted that
The several specific embodiments in face can be combined with each other, and for the same or similar content, no longer carry out weight in various embodiments
Multiple explanation.
Fig. 2 is the structural schematic diagram one of car lamp control system provided in an embodiment of the present invention.As shown in Fig. 2, the car light control
System processed includes that controller 10, brake lamp module 11 and spare lamp module 12, spare lamp module include resistor voltage divider circuit 121
With switching circuit 122, wherein
Controller 10 is connect with brake lamp module 11 and switching circuit 122 respectively；
Resistor voltage divider circuit 121 is connect with brake lamp module 11 and switching circuit 122 respectively；
Controller 10 is used for, after determining that electric vehicle has brake to be intended to, to brake lamp module 11 and switching circuit 122
Send voltage signal；
When the working condition for the lamp module 11 that brakes is Fisrt fault state, brake lamp module is in open-circuit condition, resistance
The partial pressure value of bleeder circuit 121 is less than or equal to the first preset voltage value, so that switching circuit 122 is closed, lights stand-by lamp
Stand-by lamp in module 12.
Car lamp control system shown in the application can be applied in electric vehicle, for example, electric bus, electrocar
Deng.
It should be noted that controller is entire car controller (Vehicle Control Unit, VCU).
Specifically, the first preset voltage value is 0.7 volt, it is less than or equal to 0.7 in the partial pressure value of resistor voltage divider circuit 121
When, switching circuit 122 is closed, and is lighted the stand-by lamp in spare lamp module 12, is greater than in the partial pressure value of resistor voltage divider circuit 121
At 0.7 volt, switching circuit 122 is disconnected, and can not light the stand-by lamp in spare lamp module 12.
It should be noted that when Fisrt fault state is that the non-lit up duration of brake lamp is default more than or equal to first
When long, the working condition for the lamp module that brakes.Wherein, the first preset duration is the duration being stored in advance in the controller.
Optionally, the value of the first preset duration can be 200 milliseconds, 500 milliseconds etc..It is not pre- to first in the application
If the specific value of duration is defined.
It include brake lamp in the lamp module 11 that brakes in the application.In the car lamp control system not course of work, i.e. electric vehicle
Without brake be intended to when, controller 10 not to brake lamp module 11 and switching circuit 122 send voltage signal, therefore, it is impossible to
Light brake lamp and stand-by lamp.
In the car lamp control system course of work, when electric vehicle have brake be intended to when, controller 10 to brake lamp module
11 and switching circuit 122 send voltage signal, light brake 11 module of lamp module in brake lamp so that brake lamp is normal
It shining, wherein brake lamp normal luminous refers to that controller 10 starts transmission voltage signal values and terminates during sending voltage signal,
Brake lamp shines always, is uninterrupted.During brake lamp normal luminous, it is pre- that the voltage on resistor voltage divider circuit is greater than first
If voltage value, therefore stand-by lamp can not be lighted.In above process, when brake lamp normal luminous, stand-by lamp can not shine, explanation
Car lamp control system is without any fault, for example, electrical contact is bad or aging circuit etc..
Further, in the course of work of car lamp control system, when electric vehicle has brake to be intended to, controller 10 is to brake
Car light module 11 and switching circuit 122 send voltage signal, if brake lamp is opened a way, cause brake lamp can not normal luminous when,
Voltage value on resistor voltage divider circuit is less than or equal to the first preset voltage value, at this point it is possible to light stand-by lamp.In above-mentioned mistake
Cheng Zhong lights stand-by lamp, and the brake for capableing of electric vehicle described in temporary-warning front vehicle is intended to, so that avoiding can not brake lamp
Can not normal luminous when, lead to the higher problem of the incidence of safety accident.
Car lamp control system provided in an embodiment of the present invention, comprising: controller, brake lamp module and spare lamp module,
Spare lamp module includes resistor voltage divider circuit and switching circuit, wherein controller connects with brake lamp module and switching circuit respectively
It connects.Resistor voltage divider circuit is connect with brake lamp module and switching circuit respectively.Controller is used to determine that electric vehicle has brake
After vehicle is intended to, voltage signal is sent to brake lamp module and switching circuit.It is Fisrt fault in the working condition of brake lamp module
When state, brake lamp module is in open-circuit condition, and the partial pressure value of resistor voltage divider circuit is less than or equal to the first preset voltage value,
So that switching circuit is closed, the stand-by lamp in spare lamp module is lighted.In above process, the working condition of lamp module of braking is
When Fisrt fault state, the stand-by lamp in spare lamp module is lighted, to realize through stand-by lamp rearward vehicle transmitting accurately
Brake be intended to, and then reduce safety accident incidence.
On the basis of the above embodiments, below with reference to Fig. 3 to car lamp control system provided in an embodiment of the present invention make into
The explanation of one step, specifically, referring to Fig. 3.
Fig. 3 is the structural schematic diagram two of car lamp control system provided in an embodiment of the present invention.On the basis of Fig. 2, such as Fig. 3
It is shown, car lamp control system further include: driving motor 13 and instrument board 14, wherein
Driving motor 13 and instrument board 14 are connect with controller 10 respectively；
Controller 10 is used for, and when the working condition for the lamp module that brakes is Fisrt fault state, is sent to driving motor 13
Torque sends Fisrt fault state to instrument board 14；
Instrument board 14 is used for, and shows Fisrt fault state；
Driving motor 13 is used for, and is travelled according to moment of torsion control electric vehicle.
Optionally, instrument board 14 can pop up prompt information, and prompt information can prompt the work of user's brake lamp module
State.
Optionally, the working condition of lamp module of braking may include Fisrt fault state and the second malfunction.
For example, instrument board 14 can be with display reminding information " you when the working condition of brake lamp module is Fisrt fault state
Vehicle be currently in Fisrt fault state ".
For example, instrument board 14 can be with display reminding information " you when the working condition of brake lamp module is the second malfunction
Vehicle be currently in the second malfunction ".
In practical applications, predetermined torque can be determined, and determine this Shen according to the predetermined torque according to preset vehicle speed
Please in the torque, wherein the torque be less than or equal to the predetermined torque.
It should be noted that being equal to predetermined torque in torque, driving motor 13 can be according to torque be received, and control is electric
Motor-car is travelled according to preset vehicle speed.
Optionally, the value of preset vehicle speed can be 30 kilometer per hours or 20 kilometer per hours etc..Specifically, this
The specific value of preset vehicle speed is not defined in application.
In this application, in a kind of possible embodiment, the system also includes: brake pedal 15, brake pedal
15 connect with controller 10；
Brake pedal 15 is used for, and receives the brake operating of user's input, generates brake signal according to brake operating；
Controller is used for, and obtains brake signal, and according to brake signal, determines whether electric vehicle has brake to be intended to.
In alternatively possible embodiment, the controller is specifically used for:
Judge the voltage value of brake signal and the size of the second preset voltage value；
If the voltage value of brake signal is more than or equal to the second preset voltage value, determine that electric vehicle has brake to anticipate
Figure；
If the voltage value of brake signal is less than the second preset voltage value, determine that electric vehicle is intended to without brake.
In practical applications, the voltage value of brake signal is usually any one value in 0 volt~5 volts.
It should be noted that the second preset voltage value is the voltage value being stored in advance in controller 10.
Optionally, the second preset voltage value usually can be set to 450 millivolts, 500 millivolts etc., specifically, the application is not
The specific value of second preset voltage value is defined.
Car lamp control system provided in this embodiment has the following course of work: defeated to realize in user's depression of brake pedal
After entering brake operating, brake pedal can generate brake signal according to brake operating.Controller 10 is obtained from brake pedal 15
After brake signal, can voltage value to brake signal be compared with the size of the second preset voltage value, if brake signal
When voltage value is more than or equal to the second preset voltage value, determines that electric vehicle has brake to be intended to, then lamp module and opened to brake
Powered-down road sends voltage signal.After sending voltage signal, if the working condition of brake lamp module is Fisrt fault state, light
Stand-by lamp, controller send brake signal to driving motor, to control electric vehicle traveling, send Fisrt fault to instrument board
State, so that instrument board be made to show Fisrt fault state.If the voltage value of brake signal is less than the second preset voltage value, determine
Electric vehicle is intended to without brake.In above process, brake lamp module working condition be Fisrt fault state when, light spare
Stand-by lamp in lamp module to realize that accurately brake is intended to by stand-by lamp rearward vehicle transmitting, and then reduces safety
The incidence of accident.
On the basis of any one above-mentioned embodiment, below with reference to Fig. 4, to brake lamp module in the application and standby
With being described in detail for lamp module, Fig. 4 is specifically referred to.
Fig. 4 is the circuit connection diagram of brake lamp module provided in an embodiment of the present invention and spare lamp module.In the base of Fig. 3
On plinth, as shown in figure 4, the resistor voltage divider circuit 121 in spare lamp module 12 includes: first resistor 200, the switching circuit packet
122 include: triode 201, spare lamp module 12 further include: second resistance 202 and at least one stand-by lamp 203, wherein
One end of first resistor 200 is connect with brake lamp module 11, the other end and the triode 201 of first resistor 200
Base stage connection；
One end of second resistance 202 is connect with controller 10, one end of second resistance 202 and the collector of triode 201
Connection, the emitter of triode 201 are connect with controller 10；
At least one stand-by lamp 203 is in parallel with the collector and emitter of triode 201.
Specifically, one end of first resistor 200 is connect with the other end of brake lamp 102 in brake lamp module 11.
In a kind of possible embodiment, at least one described stand-by lamp is light emitting diode, at least one stand-by lamp
Number be 4.
Optionally, the number of at least one stand-by lamp 203 can also be 5,6 etc..
It optionally, can be identical luminous for color difference or color when at least one stand-by lamp is light emitting diode
Pole pipe.For example, red, blue, green etc..
In a kind of possible embodiment, brake lamp module 11 includes: switch 101, brake lamp 102 and 3rd resistor
103, wherein
Switch 101 is connect with one end of controller 11, brake lamp 102 respectively, the other end of brake lamp 102 respectively with it is spare
One end connection of lamp module 12,3rd resistor 103, the other end of 3rd resistor 103 are connect with controller 10.
In a kind of possible embodiment, the switch is relay 300,
Relay 300 is used to execute closed procedure according to control signal；
After relay 101 executes closed procedure, if the non-lit up duration of brake lamp 102 is more than or equal to first
When preset duration, then the working condition for the lamp module 11 that brakes is Fisrt fault state.
Optionally, the first resistor 200, second resistance 202,3rd resistor 103 can for the fixed resistance of resistance value,
The resistance (for example, swept resistance) that can be can be changed for resistance value.
Specifically, the first end of relay is connect with the high level end of controller 11, the second end and controller of relay
11 control terminal connection, the third end of relay are connect with the ground terminal of controller 11, the 4th end of relay and brake lamp 102
One end connection.
It should be noted that the high level that the high level end of controller 11 can be 12 volts with output voltage values, controller 11
Control terminal can to relay send voltage signal, by second resistance 202 to the collector of triode 201 send voltage letter
Number.
In alternatively possible embodiment, controller 11 is also used to, after determining that electric vehicle is intended to without brake,
If it is detected that the number that brake lamp is lit in the second preset duration is more than or equal to preset times and lights every time lasting
When duration is greater than or equal to third preset duration, it is determined that the working condition of brake lamp module 11 is the second malfunction.
Optionally, preset times can be with value for 10,20,30 etc..
Optionally, the second preset duration can be with value for 5 minutes, 6 minutes etc..
Optionally, third preset duration can be with value for 200 milliseconds, 500 milliseconds etc..
It should be noted that the second malfunction is that brake pedal 15, controller 11 and relay 300 do not have failure
Under the premise of, user does not have depression of brake pedal 15 and controller 10 is not sent to brake lamp module 11 and switching circuit 122
When voltage signal, the working condition for the lamp module 11 that brakes.
In alternatively possible embodiment, controller 10 is also used to, and sends the second malfunction to instrument board 14, with
Instrument board is set to show second malfunction.
In the course of work of the car lamp control system shown in Fig. 4 embodiment, brake pedal, relay and controller
Under conditions of there is no failure, if the non-input brake operation of user, controller detect that brake lamp is lit in the second preset duration
Number when being more than or equal to preset times and lighting lasting duration every time more than or equal to third preset duration, determine
The working condition of brake lamp module 11 is the second malfunction, and controller sends the second malfunction to instrument board.If user is defeated
Enter brake operating, after controller gets brake signal, voltage signal, relay are sent to relay and triode by control terminal
Device is connected according to voltage signal, and the high level end of controller 11 can light brake lamp to 102 input high level of brake lamp at this time
102, so that 102 normal luminous of brake lamp.Voltage signal is sent to relay and triode by control terminal in controller
Afterwards, if controller detects that the non-lit up duration of brake lamp 102 is more than or equal to the first preset duration by test side,
The working condition of lamp module of then braking is Fisrt fault state, sends Fisrt fault state to instrument board at this time, while to driving
Motor sends torque, control electric vehicle traveling, while lighting stand-by lamp 203.In above process, it brakes the work of lamp module
When state is Fisrt fault state, the stand-by lamp in spare lamp module is lighted, to realize that rearward vehicle passes by stand-by lamp
It passs accurately brake to be intended to, and then reduces the incidence of safety accident.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than to technical staff
It is understood that it is still possible to modify the technical solutions described in the foregoing embodiments, either to part of or
All technical features are equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution this hair
The range of bright each embodiment technical solution.
Claims (10)
1. a kind of car lamp control system, it is applied to electric vehicle characterized by comprising controller, brake lamp module and standby
With lamp module, the spare lamp module includes resistor voltage divider circuit and switching circuit, wherein
The controller is connect with the brake lamp module and the switching circuit respectively；
The resistor voltage divider circuit is connect with the brake lamp module and the switching circuit respectively；
The controller is used for, and after determining that the electric vehicle has brake to be intended to, to the brake lamp module and described is opened
Powered-down road sends voltage signal；
When the working condition of the brake lamp module is Fisrt fault state, the brake lamp module is in open-circuit condition, institute
The partial pressure value for stating resistor voltage divider circuit is less than or equal to the first preset voltage value, so that the switching circuit is closed, lights institute
State the stand-by lamp in spare lamp module.
2. system according to claim 1, which is characterized in that the resistor voltage divider circuit includes: first resistor, described to open
Powered-down road includes: triode, the spare lamp module further include: second resistance and at least one stand-by lamp, wherein
One end of the first resistor is connect with the brake lamp module, the other end of the first resistor and the base stage of triode
Connection；
One end of the second resistance is connect with the controller, the collector of one end of the second resistance and the triode
Connection, the emitter of the triode are connect with the controller；
At least one described stand-by lamp is in parallel with the collector and emitter of the triode.
3. system according to claim 2, which is characterized in that at least one described stand-by lamp is light emitting diode, described
The number of at least one stand-by lamp is 4.
4. system according to claim 3, which is characterized in that the brake lamp module includes: switch, brake lamp and
Three resistance, wherein
The switch is connect with one end of the controller, the brake lamp respectively, the other end of the brake lamp respectively with institute
One end connection of spare lamp module, the 3rd resistor is stated, the other end of the 3rd resistor is connect with the controller.
5. system according to claim 4, which is characterized in that the switch is relay,
The relay is used to execute closed procedure according to the control signal；
After the relay executes closed procedure, if to be more than or equal to first pre- for the non-lit up duration of the brake lamp
If when duration, then the working condition of the brake lamp module is the Fisrt fault state.
6. system according to claim 5, which is characterized in that the system also includes: driving motor and instrument board,
In,
The driving motor and the instrument board are connect with the controller respectively；
The controller is used for, when the working condition of the brake lamp module is the Fisrt fault state, to the driving
Motor sends torque, and Xiang Suoshu instrument board sends the Fisrt fault state；
The instrument board is used for, and shows the Fisrt fault state；
The driving motor is used for, and is travelled according to electric vehicle described in the moment of torsion control.
7. system according to claim 1, which is characterized in that the controller is also used to, and is determining the electric vehicle
After being intended to without brake, if it is detected that the number that the brake lamp is lit in the second preset duration is more than or equal to default time
When counting and lighting lasting duration every time more than or equal to third preset duration, it is determined that the work shape of the brake lamp module
State is the second malfunction.
8. system according to claim 7, which is characterized in that the controller is also used to, and sends described the to instrument board
Two malfunctions, so that the instrument board shows second malfunction, the instrument board is connect with the controller.
9. the system according to claim 6 or 8, which is characterized in that the system also includes: brake pedal, the braking
Pedal is connect with the controller；
The brake pedal is used for, and receives the brake operating of user's input, generates brake signal according to the brake operating；
The controller is used for, and obtains the brake signal, and according to the brake signal, determines whether the electric vehicle has
Brake is intended to.
10. system according to claim 9, which is characterized in that the controller is specifically used for:
Judge the voltage value of the brake signal and the size of the second preset voltage value；
If the voltage value of the brake signal is more than or equal to second preset voltage value, determine that the electric vehicle has
Brake is intended to；
If the voltage value of the brake signal is less than second preset voltage value, determine that the electric vehicle is anticipated without brake
Figure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578153.7A CN110356316A (en) | 2019-06-28 | 2019-06-28 | Car lamp control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578153.7A CN110356316A (en) | 2019-06-28 | 2019-06-28 | Car lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110356316A true CN110356316A (en) | 2019-10-22 |
Family
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| CN201910578153.7A Pending CN110356316A (en) | 2019-06-28 | 2019-06-28 | Car lamp control system |
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| US20220017059A1 (en) * | 2020-07-20 | 2022-01-20 | Robert Bosch Gmbh | Method for monitoring the operational reliability of a braking system in a vehicle |
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