CN207207879U - A kind of trailer braking protection valve lamp control circuit - Google Patents
A kind of trailer braking protection valve lamp control circuit Download PDFInfo
- Publication number
- CN207207879U CN207207879U CN201721125512.6U CN201721125512U CN207207879U CN 207207879 U CN207207879 U CN 207207879U CN 201721125512 U CN201721125512 U CN 201721125512U CN 207207879 U CN207207879 U CN 207207879U
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- CN
- China
- Prior art keywords
- relay
- brake
- input
- protection valve
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of trailer braking protection valve lamp control circuit, including:Battery, ignition lock, the first relay, pressure switch and Brake lamp.The coil-end of first relay is connected with one end of the pressure switch, the other end of the pressure switch is connected with the ON gear power supplys of the ignition lock, the input of first relay is connected with the positive pole of the battery, and the output end of first relay is connected with the input of the Brake lamp.The pressure switch is used to brake the pressure of gas circuit after detecting trailer braking protection valve hand valve pull-up, and is closed when the pressure is more than setting pressure threshold, to turn on the electrical connection that the ON of the coil-end of first relay and the ignition lock keeps off power supply.Travelled in vehicle, and during pressure switch closure, the first relay closure lights the Brake lamp.The utility model can improve the brake safe of vehicle traveling.
Description
Technical field
It the utility model is related to car bulb control technology field, more particularly to a kind of trailer braking protection valve lamp control circuit.
Background technology
Automobile brake lamp is the finger for expressing this car braking deceleration for rearward other vehicles as rear view of vehicle signal lamp
Show, be one of vehicle signal of interest equipment.At present, traditional automobile brake lamp control is after driver's brake pedal
Brake lamp is lighted, so as to warn rear car front truck to be braked, this braking lamp lighting mode meeting in some special circumstances
Problem be present.Driver may be braked using the exhaust and brake system of engine in itself in some special operation conditions, may
Brake pedal is not stepped on directly, and in this case, Brake lamp will not be lit.The driver of some trailers is stopped in traffic light intersection
When, usually occur and directly use trailer parking brake, be i.e. cabin interior is dedicated for the trailer that trailer uses and pulls brake switch, comes
Parking is carried out to trailer, to reduce the frequency of use of vehicle friction plate, due to not stepping on brake pedal, trailer pulls brake switch
Brake lamp can not be lighted, certain potential safety hazard can be caused to rear car.
Utility model content
The utility model provides a kind of trailer braking protection valve lamp control circuit, solves existing trailer trailer braking protection valve under special operation condition
Lamp does not work, the problem of easily causing security incident, can improve the brake safe of vehicle traveling.
To realize object above, the utility model provides following technical scheme:
A kind of trailer braking protection valve lamp control circuit, including:Battery, ignition lock, the first relay, pressure switch and braking
Lamp;
The coil-end of first relay is connected with one end of the pressure switch, the other end of the pressure switch with
The ON gear power supplys of the ignition lock are connected, and the input of first relay is connected with the positive pole of the battery, and described the
The output end of one relay is connected with the input of the Brake lamp;
The pressure switch is used to brake the pressure of gas circuit after detecting trailer braking protection valve hand valve pull-up, and is more than in the pressure
Closed when setting pressure threshold, being electrically connected for power supply is kept off to turn on the coil-end of first relay and the ON of the ignition lock
Connect;
Travelled in vehicle, and during pressure switch closure, the first relay closure lights the Brake lamp.
Preferably, in addition to:Brake switch and the second relay;
The coil-end of second relay is connected with one end of the brake switch, the other end of the brake switch with
The ON gear power supplys of the ignition lock are connected, the input of second relay with the positive pole of the battery be connected, it is described
The output end of second relay is connected with the input of the Brake lamp;
In vehicle traveling and brake switch closure, the second relay closure lights the Brake lamp.
Preferably, in addition to:First diode and the second diode;
The anode of first diode is connected with the output end of first relay, the negative electrode of first diode
It is connected with the input of the Brake lamp;
The anode of second diode is connected with the output end of second relay, the negative electrode of second diode
It is connected with the input of the Brake lamp.
Preferably, in addition to:Entire car controller and acceleration transducer;
The first input end of the entire car controller is connected with the output end of the acceleration transducer, and the acceleration passes
Sensor is used for the acceleration for detecting trailer speed;
In the setting time of brake switch closure or pressure switch closure, the entire car controller judges institute
Whether the acceleration for stating trailer speed is less than zero, if it is not, then sending fault message message.
Preferably, in addition to:Current sensor;
The output end of the current sensor is connected with the second input of the entire car controller, the current sensor
For detecting the current value of the Brake lamp;
When brake switch closure or the pressure switch close, the entire car controller judges the Brake lamp
Whether current value is less than setting electric current threshold value, if it is, sending fault message message.
Preferably, in addition to:Combination instrument;
The combination instrument is connected by CAN with the entire car controller, and the combination instrument is believed according to the failure
Breath message is shown and/or voice broadcast fault message.
The utility model provides a kind of trailer braking protection valve lamp control circuit, the pressure by pressure switch to trailer braking protection valve gas circuit
Detected, when pressure is more than setting pressure threshold, pressure switch closure, lights Brake lamp, solve existing trailer in spy
Trailer braking protection valve lamp does not work under different operating mode, the problem of easily causing security incident, can improve the brake safe of vehicle traveling.
Brief description of the drawings
In order to illustrate more clearly of specific embodiment of the utility model, below by embodiment it is required use it is attached
Figure is briefly described.
Fig. 1:It is a kind of trailer braking protection valve lamp control circuit schematic diagram provided by the utility model.
Reference
BAT batteries
The relays of J1 first
The relays of J2 second
K1 pressure switches
K2 brake switches
The diodes of D1 first
The diodes of D2 second
The left Brake lamps of L1
The right Brake lamps of L2
Embodiment
In order that those skilled in the art more fully understand scheme of the present utility model, below in conjunction with the accompanying drawings and embodiment party
Formula is described in further detail to the utility model embodiment.
When making trailer braking protection valve using braking hand valve under specific operation for current trailer, Brake lamp is not lighted, and is easily caused
Vehicle safety problem.The utility model provides a kind of trailer braking protection valve lamp control circuit, by pressure switch to trailer braking protection valve gas circuit
Pressure detected, when pressure is more than setting pressure threshold, pressure switch closure, lights Brake lamp, solve above-mentioned to ask
Topic, the brake safe of vehicle traveling can be improved.
As shown in figure 1, a kind of trailer braking protection valve lamp control circuit, including:Battery BAT, ignition lock, the first relay J1,
Pressure switch K1 and Brake lamp.The coil-end of the first relay J1 is connected with one end of the pressure switch K1, the pressure
The power switch K1 other end is connected with the ON gear power supplys of the ignition lock, input and the electric power storage of the first relay J1
Pond BAT positive pole is connected, and the output end of the first relay J1 is connected with the input of the Brake lamp.The pressure switch
K1 is used to brake the pressure of gas circuit after detecting trailer braking protection valve hand valve pull-up, and is closed when the pressure is more than setting pressure threshold
Close, to turn on the electrical connection that the ON of the coil-end of the first relay J1 and the ignition lock keeps off power supply.Travelled in vehicle, and
During the pressure switch K1 closures, the first relay J1 closures light the Brake lamp.
The system also includes:Brake switch K2 and the second relay J2.The coil-end of the second relay J2 with it is described
Brake switch K2 one end is connected, and the other end of the brake switch K2 is connected with the ON gear power supplys of the ignition lock, and described the
Two relay J2 input with the positive pole of the battery BAT be connected, the output end of the second relay J2 with it is described
The input of Brake lamp is connected.In vehicle traveling and brake switch closure, the second relay J2 closures make described
Brake lamp is lighted.
Further, in addition to:First diode D1 and the second diode D2.The anode of the first diode D1 with it is described
First relay J1 output end is connected, and the negative electrode of the first diode D1 is connected with the input of the Brake lamp.It is described
Second diode D2 anode is connected with the output end of the second relay J2, the negative electrode of the second diode D2 with it is described
The input of Brake lamp is connected.
The system also includes:Entire car controller and acceleration transducer.The first input end of the entire car controller and institute
The output end for stating acceleration transducer is connected, and the acceleration transducer is used for the acceleration for detecting trailer speed.In the system
In the setting time of dynamic switch closure or pressure switch closure, the entire car controller judges the acceleration of the trailer speed
Whether degree is less than zero, if it is not, then sending fault message message.
Further, the system also includes:Current sensor, the output end of the current sensor and the entire car controller
The second input be connected, the current sensor is used to detect the current value of the Brake lamp.Closed in the brake switch
Or during pressure switch closure, the entire car controller judges whether the current value of the Brake lamp is less than setting electric current threshold
Value, if it is, sending fault message message.
Further, the system also includes:Combination instrument.The combination instrument passes through CAN and the full-vehicle control
Device is connected, and the combination instrument is shown according to the fault message message and/or voice broadcast fault message.
In actual applications, the Brake lamp includes:Left Brake lamp L1 and right Brake lamp L2.
It can be seen that the utility model provides a kind of trailer braking protection valve lamp control circuit, by pressure switch to trailer braking protection valve gas circuit
Pressure detected, pressure be more than setting pressure threshold when, pressure switch closure, light Brake lamp, solve existing extension
Car trailer braking protection valve lamp under special operation condition does not work, the problem of easily causing security incident, can improve the brake safe of vehicle traveling.
Construction, feature and action effect of the present utility model is described in detail according to diagrammatically shown embodiment above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (6)
- A kind of 1. trailer braking protection valve lamp control circuit, it is characterised in that including:Battery, ignition lock, the first relay, pressure are opened Pass and Brake lamp;The coil-end of first relay is connected with one end of the pressure switch, the other end of the pressure switch with it is described Ignition lock ON gear power supply be connected, the input of first relay is connected with the positive pole of the battery, described first after The output end of electrical equipment is connected with the input of the Brake lamp;The pressure switch is used to brake the pressure of gas circuit after detecting trailer braking protection valve hand valve pull-up, and is more than setting in the pressure Closed during pressure threshold, to turn on the electrical connection that the ON of the coil-end of first relay and the ignition lock keeps off power supply;Travelled in vehicle, and during pressure switch closure, the first relay closure lights the Brake lamp.
- 2. trailer braking protection valve lamp control circuit according to claim 1, it is characterised in that also include:Brake switch and second Relay;The coil-end of second relay is connected with one end of the brake switch, the other end of the brake switch with it is described The ON gear power supplys of ignition lock are connected, the input of second relay with the positive pole of the battery be connected, described second The output end of relay is connected with the input of the Brake lamp;In vehicle traveling and brake switch closure, the second relay closure lights the Brake lamp.
- 3. trailer braking protection valve lamp control circuit according to claim 2, it is characterised in that also include:First diode and Two diodes;The anode of first diode is connected with the output end of first relay, the negative electrode of first diode and institute The input for stating Brake lamp is connected;The anode of second diode is connected with the output end of second relay, the negative electrode of second diode and institute The input for stating Brake lamp is connected.
- 4. trailer braking protection valve lamp control circuit according to claim 3, it is characterised in that also include:Entire car controller and plus Velocity sensor;The first input end of the entire car controller is connected with the output end of the acceleration transducer, the acceleration transducer For detecting the acceleration of trailer speed;In the setting time of brake switch closure or pressure switch closure, the entire car controller judges the extension Whether the acceleration of car speed is less than zero, if it is not, then sending fault message message.
- 5. trailer braking protection valve lamp control circuit according to claim 4, it is characterised in that also include:Current sensor;The output end of the current sensor is connected with the second input of the entire car controller, and the current sensor is used for Detect the current value of the Brake lamp;When brake switch closure or the pressure switch close, the entire car controller judges the electric current of the Brake lamp Whether value is less than setting electric current threshold value, if it is, sending fault message message.
- 6. trailer braking protection valve lamp control circuit according to claim 5, it is characterised in that also include:Combination instrument;The combination instrument is connected by CAN with the entire car controller, and the combination instrument is according to the fault message Message is shown and/or voice broadcast fault message.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721125512.6U CN207207879U (en) | 2017-09-04 | 2017-09-04 | A kind of trailer braking protection valve lamp control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721125512.6U CN207207879U (en) | 2017-09-04 | 2017-09-04 | A kind of trailer braking protection valve lamp control circuit |
Publications (1)
Publication Number | Publication Date |
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CN207207879U true CN207207879U (en) | 2018-04-10 |
Family
ID=61826811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721125512.6U Expired - Fee Related CN207207879U (en) | 2017-09-04 | 2017-09-04 | A kind of trailer braking protection valve lamp control circuit |
Country Status (1)
Country | Link |
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CN (1) | CN207207879U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112124197A (en) * | 2020-09-14 | 2020-12-25 | 宝能(广州)汽车研究院有限公司 | Brake lamp control system for vehicle and vehicle |
-
2017
- 2017-09-04 CN CN201721125512.6U patent/CN207207879U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112124197A (en) * | 2020-09-14 | 2020-12-25 | 宝能(广州)汽车研究院有限公司 | Brake lamp control system for vehicle and vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200904 |