CN207931705U - A kind of electronic brake system - Google Patents
A kind of electronic brake system Download PDFInfo
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- CN207931705U CN207931705U CN201721713314.1U CN201721713314U CN207931705U CN 207931705 U CN207931705 U CN 207931705U CN 201721713314 U CN201721713314 U CN 201721713314U CN 207931705 U CN207931705 U CN 207931705U
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- parking
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- electronic
- brake
- control unit
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Abstract
The utility model discloses a kind of electronic brake system, including electronic control unit, electronic parking switch, caisson and brake chamber, brake chamber includes service brake cavity, parking braking chamber, push rod and adjustment arm；Push rod is connected with adjustment arm, electronic brake system further includes parking memory valve and temporary parking valve, parking memory valve and temporary parking valve are controlled by electronic control unit, press parking switch key, parking memory valve is closed, and the air in brake chamber makes push rod reset that adjustment arm be enabled to brake the wheel drag of vehicle from the discharge of parking braking chamber；Temporary parking on ＆ off switch is pressed, the compressed air of caisson enters service brake intracavitary from temporary parking valve and pushes push rod that adjustment arm is made to generate braking moment to wheel.The utility model is forgotten to slip after pulling parking brake to lead to vehicle when unclamping service brake after avoiding driver from stopping, and can also automatically terminate parking when driver starts vehicle, reduce the incidence of accident.
Description
Technical field
The invention belongs to the technical field of commercial vehicle pneumatic braking system more particularly to a kind of electronic brake systems.
Background technology
Currently, most of commercial car parking braking system uses mechanical parking device (parking brake), driver passes through
The action for manually controlling brake chamber reaches parking effect.
Traditional brake chamber includes service brake cavity, tripping spring, parking braking chamber, two diaphragms, push rod and adjustment
Arm.When stepping on service brake and making service brake, compressed air enters service brake cavity, acts on primary diaphragm, and compressed line
Vehicle tripping spring, push rod are released, and are acted on the pressure on primary diaphragm and are acted on adjustment arm by push rod, system is generated to wheel
Kinetic moment.When pull-up parking brake makes parking and emergency brake, vehicle is completely or partially discharged through braking valve for vehicle in compressed air
Outside, parking braking spring also releases energy completely or partially therewith, and enabling push rod carry out reset by secondary diaphragm displacement makes adjustment
Arm acts on wheel drag.
Traditional mechanical type parking brake device, occupied space is big, is unfavorable for the arrangement of cab space.Mechanical parking
Brake operating is cumbersome, and with increasing for automobile quantity, road conditions also become increasingly complex, and driver is in equal red lights, traffic congestion or ramp
When parking, needs to slam brake always or use parking brake, labor intensity is very big, easy tos produce fatigue.In the feelings of temporary parking
Under condition, driver is easy to forget to pull the hand brake, and causes vehicle to be easy car slipping, there are security risks.
Utility model content
To solve the problem above-mentioned, the utility model provides a kind of electronic brake system and the vehicle using the system
, which can be to using the vehicle of the system to realize automatic parking or releasing parking.
The utility model adopts the following technical solution realizes：
A kind of electronic brake system, including caisson, brake chamber and parking memory valve,
The electronic brake system further includes electronic control unit and temporary parking valve, and the electronic control unit connects
Receive the car status information from Vehicular system；
The parking memory valve and the temporary parking valve are controlled by the electronic control unit；
One end of the parking memory valve is connected to the caisson, and the other end of the parking memory valve is connected to system
It takes offence the parking braking chamber of room；
One end of the temporary parking valve is connected to the caisson, and the other end of the temporary parking valve is connected to system
It takes offence the service brake cavity of room；
The electronic parking switch further includes parking switch button and temporary parking switch key；
When the parking switch button is triggered, the electronic control unit controls the parking memory valve and alleviates or make
It is dynamic；
When the temporary parking switch key is triggered, the electronic control unit controls the temporary parking valve conducting
Or it closes.
The electronic control unit reads the car status information and is remembered with controlling the temporary parking valve and the parking
Recall valve and carries out state transformation.
Further, the electronic brake system further includes switching information Acquisition Circuit, the switching information acquisition
Circuit is set to the electronic parking and switchs between the electronic control unit.
Further, the electronic brake system further includes the first double-way check valve；First double-way check valve
If there are two air inlet, one of air inlet is connected to the service brake of automobile, another air inlet is connected to the parking note
Recall valve；The gas outlet of first double-way check valve is connected to the parking braking chamber of the brake chamber.
Further, the electronic brake system further includes the second double-way check valve；Second double-way check valve
If there are two air inlet, one of air inlet is connected to the service brake of automobile, another air inlet is connected to described to stop temporarily
Vehicle valve；The gas outlet of first double-way check valve is connected to the service brake cavity of the brake chamber.
Compared with prior art, the beneficial effects of the utility model are：
The electronic control unit control of a kind of electronic brake system disclosed by the utility model, the utility model is interim
The on and off of shut-off valve is with the alleviation of parking memory valve or braking to distinguish automatic realization temporary parking or long-time parking
Two kinds of parking situations avoid driver's temporary parking that from need to slamming service brake for a long time and reach parking purpose, and can prevent driver from forgetting to draw
It starts to slip after brake leads to vehicle, parking can also be automatically terminated when driver starts vehicle, reduce the incidence of accident.
Description of the drawings
Fig. 1 is a kind of schematic block circuit diagram of electronic brake system of the utility model；
Fig. 2 is a kind of transport condition figure of electronic brake system of the utility model；
Fig. 3 is a kind of temporary parking state diagram of electronic brake system of the utility model；
Fig. 4 is a kind of parked state figure of electronic brake system of the utility model；
Fig. 5 is a kind of electronic parking switch structure diagram of electronic brake system of the utility model.
In figure：10, electronic control unit；20, electronic parking switchs；21, temporary parking switch key；22, parking switch
Button；30, temporary parking valve；31, the first double-way check valve；40, parking memory valve；41, the second double-way check valve；50, gas storage
Device；60, brake apparatus；61, power supply；70, brake chamber；80, the first relay valve；81, the second relay valve；90, it first adjusts
Device；91, the second adjuster.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As depicted in figs. 1 and 2, the utility model discloses the vapour of a kind of electronic brake system and the use system
Vehicle, electronic brake system include electronic control unit 10, electronic parking switch 20, caisson 50 and brake chamber 70.
Automobile using the electronic brake system includes power supply 61, Vehicular system and brake apparatus 60.Electronic brake system
Further include parking memory valve 40 and temporary parking valve 30, parking memory valve 40 and temporary parking valve 30 are controlled by electronic control unit
10, electronic control unit 10 receives the car status information from Vehicular system.The brake chamber of the utility model is double diaphragms
Spring brake chamber, including service brake spring and parking braking spring, service brake cavity, parking braking chamber, two diaphragms, push away
Bar and adjustment arm, service brake spring are connected with primary diaphragm, and parking braking spring is connected with secondary diaphragm.Parking memory valve 40
It with braking and mitigation capability, need not be powered for a long time, when braking, parking is realized in the exhaust of parking braking chamber.Alleviate
When, driving is realized in the inflation of parking braking chamber.
One end of parking memory valve 40 is connected to parking braking chamber, and the other end of parking memory valve 40 is connected to caisson
50.One end of temporary parking valve 30 is connected to service brake cavity, and the other end of temporary parking valve 30 is connected to caisson 50.Electricity
Source 61 is powered each element of electronic parking system.Caisson 50 is set in the chassis of automobile, caisson and system
Room 70 of taking offence is connected by pipeline.Brake chamber 70 is set between the rear axle both sides of automobile, brake apparatus 60 and brake chamber 70
It is connected by pipeline, parking memory valve 40 and temporary parking valve 30 are set to the pipeline that caisson 50 and brake chamber 70 connect
It is interior.As shown in Fig. 1, electronic control unit 10 is also realized by the docking of the CAN bus of vehicle and is electrically connected with Vehicular system, electric
Sub-control unit 10 reads the signals of vehicles sent out from Vehicular system, which includes brake pedal signal, speed letter
Number, engine torque signal and throttle signal.As shown in figure 5, electronic parking switch 20 further includes parking switch button 22 and faces
When shutdown switch button 21, temporary parking valve 30 and parking memory valve 40 be respectively provided with an electromagnetic coil, and temporary parking switch is pressed
Key 21 controls the electromagnetic coil of temporary parking valve 30, and parking switch button 22 controls the electromagnetic coil of parking memory valve 40.When in
Vehicle memory valve 40 is powered primary, it can be achieved that braking is primary with mitigation capability, and without being powered for a long time, parking memory valve remains powered on
When state to save power supply.
Parking switch button 22 and temporary parking switch key 21 are set to the place that the driver's cabin of automobile is easily accessible by.Parking
The input terminal that switch key 22 is set to electronic control unit 10 is made by controlling the electromagnetic coil of parking memory valve 40 and being opened and closed
Parking memory valve 40 alleviates or braking；The input terminal that temporary parking switch key 21 is set to electronic control unit 10 is faced by control
When shut-off valve 30 electromagnetic coil make 30 on and off of temporary parking valve.Parking memory valve 40 is equipped with the first double-way check valve
31；First double-way check valve 31 is set there are two air inlet, and one of air inlet is connected to the brake apparatus 60 of automobile, and in addition one
A air inlet is connected to parking memory valve 40；The gas outlet of first double-way check valve 31 is connected to parking braking chamber.Temporary parking
Valve 30 is equipped with the second double-way check valve 41；Second double-way check valve 41 is set there are two air inlet, and one of air inlet is connected to
The brake apparatus 60 of automobile, another air inlet are connected to temporary parking valve 30；The gas outlet of first double-way check valve 31 connects
It is connected to service brake cavity.First relay valve 80 and the second relay valve 81 can increase gas in the efficiency of pipeline flow, and first is adjusted
Device 90 and the component that the second adjuster 91 is vehicle slip control system.
In the utility model, electronic brake system further includes switching information Acquisition Circuit, switching information Acquisition Circuit
Between electronic parking switch 20 and electronic control unit 10, to collect access times and the assistance of electronic parking switch 20
Electronic control unit 10, which is distinguished, comes from 21 two different electric signals of parking switch button 22 and temporary parking switch key.
The workflow of the utility model is as follows：
The heavy black line of Fig. 2, Fig. 3 and Fig. 4 indicate that tracheae has gas circulation, white bar to indicate temporarily to circulate without gas, carefully
Straight line represents conducting wire.
As shown in Fig. 2, when automobile normal running, parking memory valve 40 is connected, and compressed gas is pumped into from caisson 50 and stays
Vehicle brake chamber makes secondary diaphragm that push rod be pushed to release the connection of adjustment arm and wheel drag, makes wheel can be with normal rotation.
As shown in Figure 3 when vehicle encounters stopping traffic lights or traffic congestion needs temporary parking, driver steps on foot
It stops, gas flow to the service brake cavity of brake chamber 70 from the first double-way check valve 31, and compressed air enters service brake cavity, makees
With on primary diaphragm.Primary diaphragm compression driving tripping spring, push rod are released, and act on the pressure on primary diaphragm by pushing away
Bar acts on adjustment arm, generates braking moment to wheel, realizes temporary parking.Triggering temporary parking on ＆ off switch 21 at this time, faces
When shut-off valve 30 compressed gas of caisson 50 is pumped into brake chamber from first double-way check valve 31 another air inlet
70 service brake cavity reaches effect identical with service brake is slammed.Stop indicator light unlatching facing in car steering room at this time,
Until temporary parking terminates.
As shown in figure 4, when vehicle is in halted state and needs long-time parking, triggering parking switch button 22 is stayed
Vehicle memory valve 40 work, brake apparatus 60 start, parking memory valve 40 close, compressed air through parking memory valve 40 completely or portion
Divide outside ground discharge vehicle, parking braking spring also releases energy completely or partially therewith, enables push rod carry out by secondary diaphragm displacement
Reset makes adjustment arm act on wheel drag.
When driver drives to forget to release stopping parking, electronic control unit 10 reads speed signal by CAN bus
With throttle signal, parking memory valve 40 is connected, and for gas automatically into parking braking chamber, wheel is free to rotate, realizes that starting is released
Playing function.
Vehicle motor is in working condition, and when forgetting to pull up park brake switch after flame-out, electronic control unit 10 is logical
It crosses CAN bus and reads speed signal and throttle signal, control parking memory valve 40 works, and brake apparatus 60 starts, brake chamber
70 discharge all gas, realize long-time parking.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (4)
1. a kind of electronic brake system, including caisson, brake chamber and parking memory valve, it is characterised in that：
The electronic brake system further includes electronic control unit and temporary parking valve, and the electronic control unit, which receives, to be come
From the car status information of Vehicular system；
The parking memory valve and the temporary parking valve are controlled by the electronic control unit；
One end of the parking memory valve is connected to the caisson, and the other end of the parking memory valve is connected to braking gas
The parking braking chamber of room；
One end of the temporary parking valve is connected to the caisson, and the other end of the temporary parking valve is connected to braking gas
The service brake cavity of room；
The electronic parking switch further includes parking switch button and temporary parking switch key；
When the parking switch button is triggered, the electronic control unit controls the parking memory valve and leads alleviation or system
It is dynamic；
When the temporary parking switch key is triggered, the electronic control unit controls the temporary parking valve conducting or closes
It closes；
The electronic control unit reads the car status information to control the temporary parking valve and the parking memory valve
Carry out state transformation.
2. electronic brake system as described in claim 1, it is characterised in that：The electronic brake system further includes
Switching information Acquisition Circuit, the switching information Acquisition Circuit be set to the electronic parking switch and the electronic control unit it
Between.
3. electronic brake system as claimed in claim 2, it is characterised in that：The electronic brake system further includes
First double-way check valve；First double-way check valve is set there are two air inlet, and one of air inlet is connected to the foot of automobile
It stops, another air inlet is connected to the parking memory valve；The gas outlet of first double-way check valve is connected to the system
It takes offence the parking braking chamber of room.
4. electronic brake system as claimed in claim 3, it is characterised in that：The electronic brake system further includes
Second double-way check valve；Second double-way check valve is set there are two air inlet, and one of air inlet is connected to the foot of automobile
It stops, another air inlet is connected to the temporary parking valve；The gas outlet of first double-way check valve is connected to the system
It takes offence the service brake cavity of room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713314.1U CN207931705U (en) | 2017-12-11 | 2017-12-11 | A kind of electronic brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713314.1U CN207931705U (en) | 2017-12-11 | 2017-12-11 | A kind of electronic brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207931705U true CN207931705U (en) | 2018-10-02 |
Family
ID=63644849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721713314.1U Active CN207931705U (en) | 2017-12-11 | 2017-12-11 | A kind of electronic brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207931705U (en) |
-
2017
- 2017-12-11 CN CN201721713314.1U patent/CN207931705U/en active Active
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