CN109927694A - Composite braking system and vehicle - Google Patents
Composite braking system and vehicle Download PDFInfo
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- CN109927694A CN109927694A CN201910346120.XA CN201910346120A CN109927694A CN 109927694 A CN109927694 A CN 109927694A CN 201910346120 A CN201910346120 A CN 201910346120A CN 109927694 A CN109927694 A CN 109927694A
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Abstract
Composite braking system and vehicle provided by the invention, are related to vehicle brake technology field.The composite braking system includes air-pressure brake component, motor braking component and brake-by-wire controller, brake-by-wire controller is connect with air-pressure brake component and motor braking component respectively, after receiving brake signal, control pressure brake assemblies generate air-pressure brake power, meanwhile controlling motor braking component and generating motor braking power, realize double brake effect, braking efficiency is high, and vehicle safety performance is good.
Description
Technical field
The present invention relates to vehicle brake technology fields, in particular to a kind of composite braking system and vehicle.
Background technique
Motorized and intelligence are two general orientation of development of automobile.On the one hand, electric car is by way of motor braking
Recycling braking energy is one of main energy saving way, how to organically combine traditional mechanical braking and electric braking, is integrated into
Efficient Electro-mechanical brake system, is always the focus of industry research；On the other hand, the realization of automatic Pilot need to be with line traffic control
Dynamic system is to execute basis, and more stringent requirements are proposed to the security level of braking system.
Automatic, control accurate brake force braking system can be realized in line control brake system.Currently, being directed to intelligent electric
The Electro-mechanical brake system of automobile also lacks mature technology, is badly in need of further perfect, raising braking ability.
Summary of the invention
The purpose of the present invention includes providing a kind of composite braking system, and pilot steering and automatic Pilot are applicable in, can be simultaneously
Realize air-pressure brake and motor braking, braking efficiency is high, and precisely, safety is good for control.
The purpose of the present invention further includes providing a kind of vehicle, including above-mentioned composite braking system, can realize air pressure simultaneously
Braking and motor braking, braking efficiency is high, and safety is good.
It is that it is realized by adopting the following technical scheme that the present invention, which improves its technical problem,.
A kind of composite braking system provided by the invention, including air-pressure brake component, motor braking component and brake-by-wire
Controller.The air-pressure brake component includes gas source, brake pedal, pressure charging valve and relay valve.The motor braking component includes
Driving motor and electric machine controller.
The gas source is connected to the brake pedal, the pressure charging valve and the relay valve gas circuit respectively, the relay valve
It is connected to the pressure charging valve gas circuit, the relay valve with the brake of wheel for connecting and the gas source and the braking being connected
Braking gas circuit between device.
The electric machine controller is connect with the driving motor, and the driving motor is described for connecting with rear axle drive
Brake-by-wire controller is electrically connected with the brake pedal, the pressure charging valve, the relay valve, the electric machine controller respectively.
The braking gas is connected for receiving brake signal, and according to the brake signal in the brake-by-wire controller
Road, so that the brake generates air-pressure brake power.Also, the brake-by-wire controller is also used to according to the brake signal
Control instruction is issued to the electric machine controller, the electric machine controller controls the driving motor according to the control instruction,
Motor braking power is generated to the rear axle.
It further, further include standby pressure valve, the standby pressure valve connects with the brake pedal, the relay valve gas circuit respectively
It is logical.The relay valve can be connected to by the pressure charging valve with the gas source or the relay valve can be by the standby pressure valve and institute
State brake pedal connection.
Further, the pressure charging valve is normally close valve, and the standby pressure valve is normally open valve.
Further, the brake pedal is equipped with stroke sensor, described for detecting the stroke of the brake pedal
Brake-by-wire controller is connect with the stroke sensor.The brake-by-wire controller receives the braking of the stroke sensor
Signal simultaneously controls the pressure charging valve and the standby pressure valve energization according to the brake signal, so that the braking gas circuit is connected；Together
When, the brake-by-wire controller issues control instruction to the electric machine controller according to the brake signal.
Further, the braking gas circuit is equipped with pressure-regulating valve, the brake-by-wire controller and the pressure tune
Valve electrical connection is saved, the brake-by-wire controller can control the pressure-regulating valve, to adjust the size of air-pressure brake power.
Further, the braking gas circuit is equipped with pressure sensor, for detecting the size of the air-pressure brake power.
Further, the quantity of the air-pressure brake component is two, one for front wheel brake, another for pair
Rear service brake, the brake pedal in two air-pressure brake components are same.
Further, the brake-by-wire controller receives the entire car controller for connecting with entire car controller
Brake signal, and the pressure charging valve and the standby pressure valve energization are controlled according to the brake signal, so that the braking gas circuit is led
It is logical；Meanwhile the brake-by-wire controller issues control instruction to the electric machine controller according to the brake signal, after described
Bridge is by motor braking power.
Further, the motor braking component further includes speed changer, and the driving motor is connect with the speed changer, institute
Speed changer is stated for connect with the rear axle drive so that the motor braking power of driving motor generation be transferred to it is described after
Bridge.
A kind of vehicle provided by the invention, including car body and above-mentioned composite braking system, the composite braking system peace
On the car body.
Composite braking system and vehicle provided by the invention have the following aspects the utility model has the advantages that
Composite braking system provided by the invention, including air-pressure brake component, motor braking component and brake-by-wire control
Device, brake-by-wire controller are connect with air-pressure brake component and motor braking component respectively.When brake-by-wire controller receives
After brake signal, control pressure brake assemblies make to brake gas circuit conducting, and gas enters in the brake of each wheel, brake pair
Wheel braking realizes air-pressure brake purpose.Also, brake-by-wire controller also can control motor braking component and generate motor braking
Power, to wheel braking, realizes motor braking specifically, driving motor generates opposing torque and acts on to rear axle.Due to gas
The dynamic double brake effect with motor braking of compacting, braking efficiency is high, and vehicle safety performance is good.And the composite braking system was both
Suitable for pilot steering state, it is also applied for automatic Pilot state, double brake effect greatly improves the security performance of vehicle,
Safety guarantee is provided for vehicle driving.
Vehicle provided by the invention can realize air-pressure brake and motor braking including above-mentioned composite braking system simultaneously,
Braking efficiency is high, has a safety feature, has a extensive future.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of application scenarios structural schematic diagram for the composite braking system that the specific embodiment of the invention provides；
Fig. 2 is the control flow block diagram for the composite braking system that the specific embodiment of the invention provides.
Icon: 1- gas source；2- brake pedal；3- pressure charging valve；4- is for pressure valve；5- relay valve；6- pressure-regulating valve；7- pressure
Sensor；8- wheel speed sensors；The first triple valve of 91-；The second triple valve of 92-；93- third triple valve；10- driving motor；11-
Electric machine controller；12- speed changer；13- brake-by-wire controller；The first pipeline of 101-；The second pipeline of 103-；105- brake；
107- rear axle.
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.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings or product of the present invention using when the orientation or positional relationship usually put, or
Person is the orientation or positional relationship that those skilled in the art usually understand, is merely for convenience of description of the present invention and simplification of the description,
Rather than the equipment or element of indication or suggestion meaning must have a particular orientation, is constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
" first " of the invention, " second " etc., are only used to distinguish between description, have no special meaning.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be
It is connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is please referred to, dotted line indicates electric wiring in figure.A kind of composite braking system provided in this embodiment, including gas
Press brake assemblies, motor braking component and brake-by-wire controller 13.Air-pressure brake component includes gas source 1, brake pedal 2, increases
Pressure valve 3, standby pressure valve 4, relay valve 5 and pressure-regulating valve 6.Motor braking component includes driving motor 10, speed changer 12 and motor
Controller 11.
Gas source 1 is high pressure tank, and in the present embodiment, high pressure tank is two, one for being supplied for front wheel brake,
Another is used to supply for rear service brake.Gas source 1 is connected to brake pedal 2, pressure charging valve 3 and 5 gas circuit of relay valve respectively, and braking is stepped on
Plate 2 is connected to standby 4 gas circuit of pressure valve, and relay valve 5 is selectively connected to pressure charging valve 3 and standby 4 gas circuit of pressure valve.Relay valve 5 be used for
The brake 105 of wheel connects and the braking gas circuit between gas source 1 and brake 105 is connected.Electric machine controller 11 and driving electricity
Machine 10 connect, driving motor 10 be used for rear axle 107 be sequentially connected, brake-by-wire controller 13 respectively with brake pedal 2, pressurization
Valve 3, relay valve 5, electric machine controller 11 are electrically connected.
Braking gas circuit is connected for receiving brake signal, and according to brake signal in brake-by-wire controller 13, so that braking
Device 105 generates air-pressure brake power.Meanwhile brake-by-wire controller 13 issues control to electric machine controller 11 according to brake signal and refers to
It enables, electric machine controller 11 controls driving motor 10 according to control instruction, so that rear axle 107 generates motor braking power, realizes air pressure
The double brake effect of braking and motor braking.
Specifically, high pressure tank is connected with first triple valve 91, the first end and high pressure of the first triple valve 91 are stored up
The outlet of gas tank, second end are connected to brake pedal 2, and third end is connected to by the first pipeline 101 with relay valve 5.Servo
Valve 5 is connected to by the second pipeline 103 with the brake 105 of wheel, the brake gas in the unlatching of relay valve 5, high pressure tank
It can enter in brake 105 through the first pipeline 101, the second pipeline 103, brake 105 generates air-pressure brake power, hold wheel tightly,
Realize wheel braking.That is the gas circuit that the first pipeline 101 and the second pipeline 103 are constituted is braking gas circuit.
First pipeline 101 is equipped with the second triple valve 92, and the of the first end of the second triple valve 92 and the first triple valve 91
The connection of three ends, second end are connected to relay valve 5, and third end is connected to pressure charging valve 3.One end of pressure charging valve 3 with pass through the second threeway
Valve 92 is connected to the first pipeline 101, and the other end is connected to relay valve 5；One end of standby pressure valve 4 is connected to brake pedal 2, the other end
It is connected to relay valve 5.Optionally, pressure charging valve 3 and standby pressure valve 4 is collected in same gas circuit by third triple valve 93 and and servo
Valve 5 is connected to, i.e., the first end of third triple valve 93 is connected to pressure charging valve 3, and second end is connected to standby pressure valve 4, third end and servo
Valve 5 is connected to.
Optionally, braking gas circuit is equipped with pressure-regulating valve 6, i.e., (Anti-lock Braking System prevents abs valve
Antilock brake system), in this implementation, pressure-regulating valve 6 is set on the second pipeline 103, that is, is located at relay valve 5 and brake 105
Between pipeline on.Brake-by-wire controller 13 is electrically connected with pressure-regulating valve 6, the size of control pressure brake force.Air pressure tune
It is mounted on pressure sensor 7 on pipeline between section valve and brake 105, for detecting the size of air-pressure brake power.It is easy reason
Solution, pressure sensor 7 are electrically connected with brake-by-wire controller 13, and the air-pressure brake power high low signal that will test feeds back to line traffic control
Brake monitor 13.Optionally, wheel speed sensors 8 are also equipped on brake 105, for detecting the revolving speed of wheel.Wheel speed passes
Sensor 8 is electrically connected with brake-by-wire controller 13, and the wheel rotation speed signals that will test feed back to brake-by-wire controller 13.
In the present embodiment, pressure charging valve 3 is normally close valve, that is, is opened after being powered；Standby pressure valve 4 is normally open valve, that is, is closed after being powered.
Standby pressure valve 4 is connected to brake pedal 2,5 gas circuit of relay valve respectively.Relay valve 5 can be connected to by pressure charging valve 3 with gas source 1, and realization is led
It is logical；Alternatively, relay valve 5 can be also connected to by standby pressure valve 4 with brake pedal 2, conducting is realized.It is high after brake pedal 2 is operated
It presses the gas in air accumulator that could enter in standby pressure valve 4 through brake pedal 2, if brake pedal 2 is lifting status, that is, has blocked gas
Access between source 1 and standby pressure valve 4, the gas in gas source 1 cannot be introduced into standby pressure valve 4.
Brake pedal 2 is equipped with stroke sensor, i.e. displacement sensor is detected for detecting the stroke of brake pedal 2
The depth that brake pedal 2 is trampled.Brake-by-wire controller 13 is connect with stroke sensor.Brake-by-wire controller 13 receives row
The brake signal of journey sensor simultaneously controls pressure charging valve 3 and the standby energization of pressure valve 4 according to brake signal, and pressure charging valve 3 is opened, standby pressure valve 4
It closes, the gas in gas source 1 enters relay valve through the first triple valve 91, the second triple valve 92, pressure charging valve 3, third triple valve 93
5, relay valve 5 is opened so that braking gas circuit is connected, and the gas in gas source 1 enters each through the first pipeline 101, the second pipeline 103
In the brake 105 of wheel, air-pressure brake power is generated.Meanwhile brake-by-wire controller 13 according to brake signal to motor control
Device 11 issues control instruction.
Optionally, the quantity of air-pressure brake component is two, and one for front wheel brake, another to be used for rear-wheel system
Dynamic, the brake pedal 2 in two air-pressure brake components is same.After receiving the brake signal of brake pedal 2, line traffic control
Movement controller 13 simultaneously controls two air-pressure brake components, makes front and back wheel while braking.
In motor braking component, electric machine controller 11 is electrically connected with brake-by-wire controller 13, electric machine controller 11 and drive
Dynamic motor 10 is electrically connected.Driving motor 10 is connect with speed changer 12, and speed changer 12 is used to be sequentially connected with the rear axle 107 of vehicle.
Specifically, being believed after brake-by-wire controller 13 receives the brake signal of brake pedal 2 by stroke sensor according to braking
Number control instruction is issued to electric machine controller 11 by CAN communication, electric machine controller 11 controls driving motor 10 and generates reversed turn
The power that square, i.e. prevention wheel move forward.The opposing torque is transferred to rear axle 107 through speed changer 12, and rear axle 107 is prevented to rotate,
Rear axle 107 receives opposing torque, is unable to drive rear-wheel and continues to move ahead, so rear-wheel realizes braking.
It should be noted that the structures such as the wheel drag 105 referred in text, speed changer 12, rear axle 107 are vehicle skill
The existing structure in art field is no longer described in detail herein.
Under non-brake state, brake pedal 2 is lifted, and pressure charging valve 3 is closed, standby pressure valve 4 is opened, relay valve 5 is closed；Brake shape
Under state, i.e., brake pedal 2 is operated, and brake signal is transferred to brake-by-wire controller 13, brake-by-wire control by stroke sensor
Device 13 processed makes pressure charging valve 3 and standby pressure valve 4 be powered according to the brake signal received, and pressure charging valve 3 is opened at this time, standby pressure valve 4 is closed
It closes, the gas in high pressure tank enters pressure charging valve 3, then pass through through the first triple valve 91, the first pipeline 101, the second triple valve 92
Third triple valve 93 enters relay valve 5, and gas enters relay valve 5, and braking gas circuit is switched on.Gas in high pressure tank is through
One triple valve 91, the first pipeline 101 enter relay valve 5, then enter in brake 105 through the second pipeline 103, and brake 105 produces
Anger compacting power, front and back wheel realize air-pressure brake.Meanwhile brake-by-wire controller 13 is believed according to the braking received
Number, control instruction is issued to electric machine controller 11, electric machine controller 11 controls driving motor 10 and generates opposing torque, and this reversed turn
Square is transferred to rear axle 107 through speed changer 12, and rear axle 107 is prevented to rotate, so rear-wheel realizes motor braking.
Brake signal is issued by trampling brake pedal 2, belongs to the control mode under pilot steering state.The composite braking
System is also applied for the vehicle of automatic Pilot state, and vehicle is in automatic Pilot state, and vehicle is by vehicle control unit controls.Line traffic control
Brake monitor 13 for connect with entire car controller, can by the brake signal of CAN communication reception entire car controller, and according to
Brake signal determines air-pressure brake power size and motor braking power size.Then, brake-by-wire controller 13 controls 3 He of pressure charging valve
Standby pressure valve 4 is powered, so that braking gas circuit conducting, carries out air-pressure brake power size control by pressure-regulating valve 6, realize front and back wheel
Air-pressure brake；Meanwhile brake-by-wire controller 13 is according to the brake signal for receiving entire car controller, by CAN communication to electricity
Machine controller 11 issues control instruction, and driving motor 10 is made to generate opposing torque, realizes motor braking to rear-wheel.
In addition, that is, brake-by-wire controller 13, electric machine controller 11 are not available after the electric-control system failure of vehicle,
The composite braking system still has the function of the mechanical braking of redundancy.Specifically, if can only manually be driven after automatically controlled failure
It sails, when driver's brake pedal 2, pressure charging valve 3 and standby pressure valve 4 can not be powered, but standby pressure valve 4 is normally open valve, steps on braking
After pedal 2, the gas in gas source 1 can be entered by brake pedal 2 enters relay valve for pressure valve 4, again through third triple valve 93
5, open relay valve 5, braking gas circuit is connected, and the gas in gas source 1 also can pass through the first pipeline 101, the second pipeline 103 enters
In the brake 105 of each wheel, the air-pressure brake of front and back wheel is realized.Only air pressure regulator tune is unable to control after automatically controlled failure
Pressure size is saved, the size of air-pressure brake power cannot regulate and control.
A kind of vehicle provided in this embodiment, including car body and above-mentioned composite braking system, composite braking system installation
On the car body, air-pressure brake and motor braking can be realized simultaneously, and braking efficiency is high, and precisely, safety is good, when automatically controlled failure for control
Afterwards, also it is able to achieve necessary braking function.The vehicle can be pure electric automobile, hybrid vehicle, fuel cell car etc.,
Have a wide range of application.
Referring to figure 2., composite braking system provided by the invention, specific control principle are as follows:
First, it is determined that whether vehicle is out of service, if vehicle stops, which terminates.If vehicle is run,
Judge that vehicle is in automatic Pilot state or pilot steering state.
If it is pilot steering state, judge whether brake pedal 2 is operated, be not operated, does not need to brake.If
Brake pedal 2 is operated, and checks whether brake control circuit fails (i.e. whether brake-by-wire controller 13 fails)；If no
Failure, brake-by-wire controller 13 controls pressure charging valve 3 and standby pressure valve 4 is powered, and closes standby pressure valve 4, opens pressure charging valve 3, and line
Control movement controller 13 judges braking intention according to the brake signal that the stroke sensor on brake pedal 2 detects, determines electricity
The allocation strategy of the gentle compacting power of brake force, and electric machine controller 11 is controlled by CAN, generate driving motor 10 reversely
Torque, to rear service brake；The brake pressure of four wheels in front and back is controlled by pressure-regulating valve 6 simultaneously.Braking process is judged again
Whether terminate, if braking process does not terminate also, judges braking intention further according to brake signal, repeat aforesaid operations.If system
Dynamic process terminates, and brake-by-wire controller 13 controls pressure charging valve 3 and standby pressure valve 4 powers off, and opens standby pressure valve 4, closes pressure charging valve 3,
Waiting is braked next time.
If control circuit has failed, then carries out ARTMechanical gas pressure braking, no electricity after checking whether brake control circuit fails
Son regulation.Judge whether braking process terminates again, if braking process does not terminate also, continues, ARTMechanical gas pressure braking,
Without electronic-controlled.Repeat aforesaid operations.If braking process terminates, fault alarm is issued, control circuit to be repaired is waited.
After judging that vehicle is in automatic Pilot state or pilot steering state, if being in automatic Pilot state, sentence
It is disconnected whether to need active brake, judge whether vehicle runs if it is not needed, being back to；If necessary to active brake, then line traffic control
Brake monitor 13 controls pressure charging valve 3 and standby pressure valve 4 is powered, and closes standby pressure valve 4, opens pressure charging valve 3, and brake-by-wire controls
Device 13 determines the allocation strategy of the gentle compacting power of motor braking power according to automatic Pilot strategy, and controls motor control by CAN
Device 11 processed makes driving motor 10 generate opposing torque, to rear service brake；Four vehicles in front and back are controlled by pressure-regulating valve 6 simultaneously
The brake pressure of wheel.Judge whether braking process terminates again, if braking process does not terminate also, further according to automatic Pilot strategy,
The allocation strategy for determining the gentle compacting power of motor braking power, repeats aforesaid operations.If braking process terminates, brake-by-wire control
Device 13 processed controls pressure charging valve 3 and standby pressure valve 4 powers off, and opens standby pressure valve 4, closes pressure charging valve 3, waiting is braked next time.
In conclusion composite braking system provided by the invention and vehicle have the following aspects the utility model has the advantages that
Composite braking system and vehicle provided by the invention can be realized the double brake effect of air-pressure brake and motor braking
Fruit, braking efficiency is high, control is accurate, and after brake-by-wire controller 13 fails, still has ARTMechanical gas pressure braking effect, peace
Full performance is high.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the present invention can have various changes, combination and variation.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of composite braking system, which is characterized in that controlled including air-pressure brake component, motor braking component and brake-by-wire
Device；The air-pressure brake component includes gas source, brake pedal, pressure charging valve and relay valve；The motor braking component includes driving
Motor and electric machine controller；
The gas source is connected to the brake pedal, the pressure charging valve and the relay valve gas circuit respectively, the relay valve and institute
State the connection of pressure charging valve gas circuit, the relay valve for connect and is connected with the brake of wheel the gas source and the brake it
Between braking gas circuit；
The electric machine controller is connect with the driving motor, and the driving motor with rear axle drive for connecting, the line traffic control
Brake monitor is electrically connected with the brake pedal, the pressure charging valve, the relay valve, the electric machine controller respectively；
The braking gas circuit is connected for receiving brake signal, and according to the brake signal in the brake-by-wire controller, with
The brake is set to generate air-pressure brake power；Also, the brake-by-wire controller is also used to according to the brake signal to institute
It states electric machine controller and issues control instruction, the electric machine controller controls the driving motor according to the control instruction, to institute
It states rear axle and generates motor braking power.
2. composite braking system according to claim 1, which is characterized in that it further include standby pressure valve, the standby pressure valve difference
It is connected to the brake pedal, the relay valve gas circuit；The relay valve can be connected to by the pressure charging valve with the gas source, or
The relay valve can be connected to by the standby pressure valve with the brake pedal.
3. composite braking system according to claim 2, which is characterized in that the pressure charging valve is normally close valve, the standby pressure
Valve is normally open valve.
4. composite braking system according to claim 3, which is characterized in that the brake pedal is equipped with stroke sensing
Device, for detecting the stroke of the brake pedal, the brake-by-wire controller is connect with the stroke sensor；The line traffic control
Brake monitor receives the brake signal of the stroke sensor and controls the pressure charging valve and described according to the brake signal
Standby pressure valve is powered, so that the braking gas circuit is connected；Meanwhile the brake-by-wire controller according to the brake signal to described
Electric machine controller issues control instruction.
5. composite braking system according to claim 2, which is characterized in that the brake-by-wire controller is used for and vehicle
Controller connection receives the brake signal of the entire car controller, and controls the pressure charging valve and institute according to the brake signal
It states standby pressure valve to be powered, so that the braking gas circuit is connected, the brake generates air-pressure brake power；Meanwhile the brake-by-wire
Controller issues control instruction to the electric machine controller according to the brake signal, and the rear axle is by motor braking power.
6. composite braking system according to claim 1, which is characterized in that the braking gas circuit is adjusted equipped with pressure
Valve, the brake-by-wire controller are electrically connected with the pressure-regulating valve, and the brake-by-wire controller can control the pressure
Force regulating valve, to adjust the size of air-pressure brake power.
7. composite braking system according to claim 1, which is characterized in that the braking gas circuit is equipped with pressure sensing
Device, for detecting the size of the air-pressure brake power.
8. composite braking system according to any one of claim 1 to 7, which is characterized in that the air-pressure brake component
Quantity be two, one another is used for rear service brake for front wheel brake, in two air-pressure brake components
The brake pedal is same.
9. composite braking system according to claim 1, which is characterized in that the motor braking component further includes speed change
Device, the driving motor are connect with the speed changer, and the speed changer with the rear axle drive for connecting, so that the driving
The motor braking power that motor generates is transferred to the rear axle.
10. a kind of vehicle, which is characterized in that including composite braking system described in car body and any one of claims 1 to 9,
The composite braking system is installed on the car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346120.XA CN109927694B (en) | 2019-04-26 | 2019-04-26 | Safety redundant pneumatic wire control electromechanical composite braking system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910346120.XA CN109927694B (en) | 2019-04-26 | 2019-04-26 | Safety redundant pneumatic wire control electromechanical composite braking system and vehicle |
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| CN109927694A true CN109927694A (en) | 2019-06-25 |
| CN109927694B CN109927694B (en) | 2024-04-05 |
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| WO2009053429A1 (en) * | 2007-10-24 | 2009-04-30 | Continental Teves Ag & Co. Ohg | Parking brake and method for operating the same |
| CN105882420A (en) * | 2010-02-08 | 2016-08-24 | 深圳兴龙客车节能有限公司 | Power device applied to automobile safety improvement system |
| CN102745183A (en) * | 2012-07-11 | 2012-10-24 | 北京理工大学 | Energy-feedback active control type air braking system |
| CN107697053A (en) * | 2017-11-13 | 2018-02-16 | 吉林大学 | A kind of braking energy of electric automobiles recovery and reutilization system |
| CN108162940A (en) * | 2018-02-06 | 2018-06-15 | 吉林大学 | The compound line control brake system of intelligent automobile and its brake control method |
| CN209739047U (en) * | 2019-04-26 | 2019-12-06 | 清华大学 | Composite braking system and vehicle |
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Application publication date: 20190625 Assignee: TIANJIN SOTEREA AUTOMOTIVE TECHNOLOGY Co.,Ltd. Assignor: TSINGHUA University Contract record no.: X2020990000173 Denomination of invention: Compound braking system and vehicle License type: Common License Record date: 20200413 |
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