CN107826096A - Vehicle and its braking control system - Google Patents
Vehicle and its braking control system Download PDFInfo
- Publication number
- CN107826096A CN107826096A CN201711246407.2A CN201711246407A CN107826096A CN 107826096 A CN107826096 A CN 107826096A CN 201711246407 A CN201711246407 A CN 201711246407A CN 107826096 A CN107826096 A CN 107826096A
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- valve
- brake
- brake valve
- car
- control system
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- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of vehicle and its braking control system, the braking control system of the vehicle includes source of the gas, former garage's car brake valve, brake monitor, automatic traveling crane control valve group, shuttle valve and service brake air chamber；The automatic traveling crane control valve group includes motor, driving section and brake valve, and the driving section is connected between the output shaft of the motor and the brake valve, and the brake valve and former garage's car brake valve are connected with the shuttle valve respectively；The shuttle valve switches the connection between the service brake air chamber and the automatic traveling crane control valve and former garage's car brake valve according to the control valve of the automatic traveling crane control valve group and the air pressure size of former garage's car brake valve output.In the braking control system of vehicle provided by the invention, the automatic traveling crane control valve group uses machine driving, has the advantages of control accuracy is high, and stable gas pressure is good, and valve body reliability is high.
Description
Technical field
The present invention relates to the intelligent vehicles technology field, more particularly to a kind of braking control system of vehicle.
Background technology
The braking equipment of the oversize vehicles such as commercial car generally includes electrical autocontrol brakes and parking braking system, both
Be mostly independently of one another pneumatically or pneumatosphere control.Under normal circumstances, the commercial car such as heavy truck is bulky (long
The high nearly 3m of nearly 20m, wide 3m, headstock), weight reaches tens of tons, and manipulation of the driver away from afterbody is apart from nearly 20m, due to the pass of inertia
System, the mechanical device operating personnel using routine are difficult to accomplish accurately to brake.
With the fast development of society, highway transportation carries increasing transport task, develops automotive electronic technology,
Simplify Automobile operation, reduce accident, be the effective means for improving traffic efficiency, be particularly advantageous to improve urban transportation.Automobile is stayed
Car brakes integrates that automobile is of short duration and long term stop function, is the important system for needing driver frequently to manipulate.After parking,
Need driver to manipulate standing car brake operating mechanism, realize parking braking；Before driving, artificially release parking braking again.If
Driver fatigue driving or startup in driving procedure manipulate with mistake during parking, influence the safe to use of automobile.
Chinese invention patent CN201410421560 provides a kind of vehicle electrically controlling Pneumatic braking system, including control for brake
Device, propons proportion magnetic valve, propons shuttle valve, back axle proportion magnetic valve, back axle shuttle valve and open type two-bit triplet magnetic valve；Braking
Controller calculates corresponding controlled quentity controlled variable according to upper layer commands, changes input to propons proportion magnetic valve according to the controlled quentity controlled variable
It is electric so as to adjust propons proportion magnetic valve and back axle proportional solenoid valve control with the PWM duty cycle size of back axle proportion magnetic valve
Flow size, proportion magnetic valve delivery outlet air pressure size and proportion magnetic valve input port air pressure size and proportional solenoid valve control electricity
Flow size proportion relation.Brake monitor is by adjusting propons proportion magnetic valve and back axle proportional solenoid valve control electric current
Size, so as to control the pressure size of propons service brake air chamber and back axle service brake air chamber, and then control vehicle driving system
Fatigue resistance.
Above-mentioned prior art realizes the automatic control function of atmospheric control, and operator brake and Braking mode can be with
When switch.But the usual weight of Heavy Duty Commercial Car is big, braking distance is remote and long-time high-speed cruising, it is therefore desirable to brakes
Accomplish to be accurately controlled, and regulation essence be present with the scheme of control pressure size in this adoption rate electromagnetism valve regulation size of current
, there is situation about shaking with the fluctuation of source of the gas air pressure, applies in large-scale commercial vehicle system in the problem of degree is limited, unstable
Potential safety hazard be present.
Therefore, it is necessary to a kind of braking control system of new vehicle is provided to solve above-mentioned technical problem.
The content of the invention
It is a primary object of the present invention to provide a kind of vehicle and its braking control system, it is desirable to provide a kind of control accuracy
Height, stable gas pressure is good, the braking control system of the high vehicle of valve body reliability.
To achieve the above object, the present invention provides a kind of braking control system of vehicle, including source of the gas, former car service brake
Valve, brake monitor, automatic traveling crane control valve group, shuttle valve and service brake air chamber；
The automatic traveling crane control valve group includes motor, driving section and brake valve, the brake monitor with
The motor communication connection, the input port of the brake valve are connected with the source of the gas, and the driving section is connected to the drive
Between the output shaft and the brake valve of dynamic motor, the delivery outlet of the brake valve is connected with the first input port of the shuttle valve,
The motor drives the driving section, to control the opening and closing degree of the brake valve；
The input port of former garage's car brake valve is connected with the source of the gas, the delivery outlet of former garage's car brake valve with
Second input port of the shuttle valve is connected；
The delivery outlet of the shuttle valve is connected with service brake air chamber, with the control according to the automatic traveling crane control valve group
Valve and the air pressure size of former garage's car brake valve output control to switch the service brake air chamber with the automatic traveling crane
Connection between valve and former garage's car brake valve.
Alternatively, the driving section is screw structure.
Alternatively, the transmission accuracy of the screw structure is 0.01~0.1mm.
Alternatively, the brake valve uses the dual-chamber brake of same specification with former garage's car brake valve.
Alternatively, the service brake air chamber is included in propons service brake air chamber and back axle service brake air chamber at least
It is a kind of.
Alternatively, in addition at least one pressure sensor, wherein the input port of the brake valve, former garage's car system
At least one position of the delivery outlet of the input port of dynamic valve, the delivery outlet of the brake valve and former garage's car brake valve is set
There is the pressure sensor.
Alternatively, in addition to alarm device, the alarm device communicate to connect with the brake monitor；The pressure passes
Sensor detect the input port of the brake valve, the input port of former garage's car brake valve, the brake valve delivery outlet
And at least one position in the delivery outlet of former garage's car brake valve is when being in improper air pressure section, the braking
Controller controls the alarm device to send alarm.
Alternatively, the brake monitor is used to receive corresponding control command, controls the motor to rotate, with control
The opening and closing degree of the brake valve is made, so as to connect or disconnect the service brake air chamber and the automatic traveling crane control valve group
Between connection.
In addition, to achieve the above object, the present invention also provides a kind of vehicle, there is the vehicle according to foregoing any one
Braking control system.
Alternatively, the vehicle is Heavy Duty Commercial Car.
In the inventive solutions, automatic traveling crane control valve group, including motor, driving section and system are set
Dynamic valve, the input port of the brake valve are connected with the source of the gas, the driving section be connected to the motor output shaft and
The brake valve connection, the delivery outlet of the brake valve are connected with the first input port of the shuttle valve, the motor driving
The driving section, to control the opening and closing degree of the brake valve；Exported by the control valve and former garage's car brake valve
Air pressure size switch between the service brake air chamber and the automatic traveling crane control valve and former garage's car brake valve
Connection, the automatic traveling crane control valve group uses machine driving, compared to control modes such as magnetic valves, has control accuracy
The advantages of height, stable gas pressure is good, and valve body reliability is high.
Brief description of the drawings
Fig. 1 is the braking control system modular structure schematic diagram of the vehicle in first embodiment of the invention；
Fig. 2 is the flow chart of the braking control system of the vehicle in second embodiment of the invention.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that directional instruction (such as up, down, left, right, before and after, transverse direction, the footpath of institute in the embodiment of the present invention
To, it is horizontal, vertical ...) be only used for explaining that the relative position under a certain particular pose (as shown in drawings) between each part is closed
System, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
Electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this
The combination of technical scheme is not present, also not within the protection domain of application claims.
As shown in figure 1, the modular structure signal of the braking control system 100 for the vehicle in first embodiment of the invention
Figure.
The braking control system 100 of the vehicle include source of the gas 10, former garage's car brake valve 20, brake monitor 30, from
Dynamic thermoacoustic prime engine valve module 22, shuttle valve 40 and service brake air chamber 50.
Wherein, the automatic traveling crane control valve group 22 includes motor 221, driving section 222 and brake valve 223,
The brake monitor 30 communicates to connect with the motor 221, the input port of the brake valve 223 and the phase of source of the gas 10
Even, the output shaft that the driving section 22 is connected to the motor 221 is connected with the brake valve 223, the brake valve 223
Delivery outlet be connected with the first input port (not shown) of the shuttle valve 40, the motor 221 drives the driving section
222, to control the opening and closing degree of the brake valve 223.
The input port of former garage's car brake valve 20 is connected with the source of the gas 10, former garage's car brake valve 20 it is defeated
Outlet is connected with the second input port (not shown) of the shuttle valve 40；
The delivery outlet of the shuttle valve 40 is connected with service brake air chamber 50, with according to the automatic traveling crane control valve group 22
Control valve 223 and the air pressure size that exports of former garage's car brake valve 20 come switch the service brake air chamber 50 with it is described
Connection between control valve 223 and former garage's car brake valve 20.
Wherein, the brake monitor 30 and the motor 221 of automatic traveling crane control valve group 22 communicate to connect, described
Motor 221 rotates under the control of the brake monitor 30, so as to drive the driving section 222 to promote the brake valve
223, to control the opening and closing degree of the brake valve 223；The control valve 223 and former garage's car brake valve 20 are by described
Shuttle valve 40 is incorporated to the service brake air chamber 50；Shuttle valve 40 passes through the control valve 223 and former garage's car brake valve 20
The pressure size of output pressure, to select braking mode.
Specifically, when selection driver's manual mode, brake monitor 30 controls motor 221 to power off, and shuttle valve 40 is defeated
The air pressure gone out is the air pressure of former garage's car brake valve 20, and driver can pass through the former cars such as EPB service brake/brake pedal
Brake apparatus is braked；When selecting Braking mode pattern, vehicle upper strata sends the order automatically controlled to brake monitor
30, brake monitor 30 controls motor 221 to work, and motor 221 drives driving section 222 to promote brake valve 223, makes shuttle
The air pressure that the air pressure that valve 40 exports exports for the brake valve 223 of automatic traveling crane control valve group 22, the service brake air chamber 50
Air pressure by the brake valve 223 of automatic traveling crane control valve group 22 control；Further, driven when under automatic driving mode
When the person of sailing needs urgent intervention, driver promptly tramples the air pressure of the output of brake pedal Shi Yuan garages car brake valve 20 more than automatic
The air pressure of the brake valve 223 of thermoacoustic prime engine valve module 22, the air pressure that shuttle valve 40 exports switch to the gas of former garage's car brake valve 40
Pressure, thus switches manually and automatically pattern, and realizes that driver promptly intervenes function, ensures traffic safety.
In the inventive solutions, automatic traveling crane control valve group 22, including motor 221, driving section are set
22 and brake valve 223, the input port of the brake valve 223 be connected with the source of the gas 10, the driving section 222 is connected to described
The output shaft of motor 221 is connected with the brake valve 223, and the of the delivery outlet of the brake valve 223 and the shuttle valve 40
One input port is connected, and the motor 221 drives the driving section 222, to control the opening and closing degree of the brake valve 223；
The service brake air chamber 50 is switched by the control valve 223 and the air pressure size of the former output of garage's car brake valve 20
With the connection between the automatic traveling crane control valve group 22 and former garage's car brake valve 20, the automatic traveling crane control valve
Component 22 uses machine driving, compared to control modes such as magnetic valves, has that stable gas pressure is good, high excellent of valve body reliability
Point.
Further, the driving section 222 can be screw structure, the transmission accuracy of the screw structure for 0.01~
0.1mm.Preferably, the transmission accuracy is 0.01~0.03mm.
Specifically, brake monitor 30, when controlling motor 221 to work, motor 221 drives screw mandrel to promote system
Dynamic valve 223, the air pressure for making the air pressure that shuttle valve 40 exports be exported for the brake valve 223 of automatic traveling crane control valve group 22.
In present embodiment, using screw rod transmission structure, there is high transmission accuracy, Mechanical course Stability Analysis of Structures is reliable, can
The advantages of suitable for large-scale load-carrying vehicle.
It is understood that in other embodiments, the structure of the driving section 22 is also not limited to screw mandrel, as long as
The rotation of motor 221 can be converted into linear motion, promote the brake valve 223 to carry out folding, do not do herein
Concrete restriction.
Further, in one embodiment, the brake valve 223 uses same specification with former garage's car brake valve 20
Dual-chamber brake.
Preferably, the dual-chamber brake is the braking valve arrangement as former car.
The brake valve 223 uses the dual-chamber brake of same specification with former garage's car brake valve 20, has identical
Gas circuit structure, can more lift shuttle valve 40 to the control valve 223 and the pressure of the output pressure of former garage's car brake valve 20
Power size is compared accuracy and sensitivity；Meanwhile the pressure of dual-chamber brake controls gas by spring-atmospheric pressure equilibrium principle
Pressure, stable atmospheric pressure value can be rapidly reached, the industrial electromagnetic proportional valve used relative to prior art, has and adapts to air pressure fluctuation
Property it is good, response is fast, loses heart the advantages that fast；On the other hand, the former car dual-chamber brake that the present embodiment uses is ripe for automobile vendor
Product, relative to industrial proportion magnetic valve, there is good environmental adaptability, durable, the features such as reliability is high.
Fig. 2 is please combined in the lump, and further, the service brake air chamber 50 includes propons service brake air chamber and back axle row
At least one of car brake chamber.It is understood that for the vehicle of different driving type, the knot of service brake air chamber 50
Structure includes propons service brake air chamber and back axle service brake air chamber.
Optionally, the braking control system 100 of the vehicle also includes at least one pressure sensor 60, wherein the system
The dynamic input port of valve 223, the input port of former garage's car brake valve 20, the delivery outlet of the brake valve 223 and the original
At least one position of the delivery outlet of garage's car brake valve 20 is provided with the pressure sensor.
The braking control system 100 of the vehicle also includes alarm device 70, and the alarm device 70 is controlled with the braking
Device 30 processed communicates to connect；The pressure sensor 60 is detecting the input port of the brake valve 223, the former car service brake
At least one in the delivery outlet of the input port of valve 20, the delivery outlet of the brake valve 223 and former garage's car brake valve 20
When individual position is in improper air pressure section, the brake monitor 30 controls the alarm device 70 to send alarm.
In the present embodiment, the input point of the source of the gas 10 of the braking control system 100 in the vehicle and pressure are defeated
Go out and be a little provided with pressure sensor 60, can monitored pipeline air pressure at any time, unusual condition occur can also be by alarm device 70
Alarm.
It is understood that the brake monitor 30 is used to receive corresponding control command, the motor is controlled
221 rotate, to control the opening and closing degree of the brake valve 223, so as to connect or disconnect the service brake air chamber 50 with it is described
Connection between automatic traveling crane control valve group 22.It is understood that the control command can be the upper strata from vehicle
Order, such as the control instruction that is sent according to road conditions of the instruction that remotely receives, intelligence control system or intelligence control system root
Control command that the speed-limiting messages obtained according to guider are sent etc..
The present invention also provides a kind of vehicle, and the vehicle has the system according to the vehicle described in any one of foregoing embodiment
Autocontrol system.Preferably, the vehicle is Heavy Duty Commercial Car, or heavy duty truck.
It is understood that in the description of this specification, reference term " embodiment ", " another embodiment ", " other
The description of embodiment " or " first embodiment~N embodiments " etc. means to combine the specific spy that the embodiment or example describe
Sign, structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned
The schematic representation of term is not necessarily referring to identical embodiment or example.Moreover, the specific features of description, structure, material
Or feature can combine in an appropriate manner in any one or more embodiments or example.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements not only include those key elements, and
And also include the other element being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including this
Other identical element also be present in the process of key element, method, article or system.
The preferred embodiments of the present invention, it is not intended to limit the scope of the invention, it is every under the design of the present invention,
The equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/other related technologies are used in indirectly
Field is included in the scope of patent protection of the present invention.
Claims (10)
- A kind of 1. braking control system of vehicle, it is characterised in that including source of the gas, former garage's car brake valve, brake monitor, from Dynamic thermoacoustic prime engine valve module, shuttle valve and service brake air chamber；The automatic traveling crane control valve group includes motor, driving section and brake valve, the brake monitor with it is described Motor communicates to connect, and the input port of the brake valve is connected with the source of the gas, and the driving section is connected to the driving electricity Between the output shaft of machine and the brake valve, the delivery outlet of the brake valve is connected with the first input port of the shuttle valve, described Motor drives the driving section, to control the opening and closing degree of the brake valve；The input port of former garage's car brake valve is connected with the source of the gas, the delivery outlet of former garage's car brake valve with it is described Second input port of shuttle valve is connected；The delivery outlet of the shuttle valve is connected with service brake air chamber, with the control valve according to the automatic traveling crane control valve group and The air pressure size of former garage's car brake valve output come switch the service brake air chamber and the automatic traveling crane control valve and Connection between former garage's car brake valve.
- 2. the braking control system of vehicle according to claim 1, it is characterised in that the driving section is screw structure.
- 3. the braking control system of vehicle according to claim 2, it is characterised in that the transmission accuracy of the screw structure For 0.01~0.1mm.
- 4. the braking control system of vehicle according to claim 1, it is characterised in that the brake valve and the former garage Car brake valve uses the dual-chamber brake of same specification.
- 5. the braking control system of vehicle according to claim 1, it is characterised in that before the service brake air chamber includes At least one of travelling gantry frame brake chamber and back axle service brake air chamber.
- 6. the braking control system of vehicle according to claim 1, its feature exists, in addition at least one pressure sensing Device, wherein the input port of the brake valve, the input port of former garage's car brake valve, the delivery outlet of the brake valve and institute At least one position of the delivery outlet of Shu Yuan garages car brake valve is provided with the pressure sensor.
- 7. the braking control system of vehicle according to claim 6, it is characterised in that also including alarm device, the police Reporting device communicates to connect with the brake monitor；The pressure sensor is detecting the input port of the brake valve, described In the delivery outlet of the input port of former garage's car brake valve, the delivery outlet of the brake valve and former garage's car brake valve extremely When a few position is in improper air pressure section, the brake monitor controls the alarm device to send alarm.
- 8. the braking control system of the vehicle according to any one of claim 1-7, it is characterised in that the control for brake Device is used to receive corresponding control command, controls the motor to rotate, to control the opening and closing degree of the brake valve, so as to Connect or disconnect the connection between the service brake air chamber and the automatic traveling crane control valve group.
- 9. a kind of vehicle, it is characterised in that there is the control for brake of the vehicle according to any one of preceding claims 1-8 System.
- 10. vehicle according to claim 9, it is characterised in that the vehicle is Heavy Duty Commercial Car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711246407.2A CN107826096A (en) | 2017-11-30 | 2017-11-30 | Vehicle and its braking control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711246407.2A CN107826096A (en) | 2017-11-30 | 2017-11-30 | Vehicle and its braking control system |
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| CN107826096A true CN107826096A (en) | 2018-03-23 |
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| CN201711246407.2A Pending CN107826096A (en) | 2017-11-30 | 2017-11-30 | Vehicle and its braking control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017730A (en) * | 2018-08-09 | 2018-12-18 | 北京智行者科技有限公司 | Vehicle brake control method |
| CN114715103A (en) * | 2022-06-10 | 2022-07-08 | 北京小马智卡科技有限公司 | Truck emergency braking system and operation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109017730A (en) * | 2018-08-09 | 2018-12-18 | 北京智行者科技有限公司 | Vehicle brake control method |
| CN114715103A (en) * | 2022-06-10 | 2022-07-08 | 北京小马智卡科技有限公司 | Truck emergency braking system and operation method |
| CN114715103B (en) * | 2022-06-10 | 2022-10-14 | 北京小马智卡科技有限公司 | Truck emergency braking system and operation method |
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