CN109910846A - A kind of barometric brake circuit and system - Google Patents
A kind of barometric brake circuit and system Download PDFInfo
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- CN109910846A CN109910846A CN201910182064.0A CN201910182064A CN109910846A CN 109910846 A CN109910846 A CN 109910846A CN 201910182064 A CN201910182064 A CN 201910182064A CN 109910846 A CN109910846 A CN 109910846A
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Abstract
The present invention provides a kind of barometric brake circuit and systems, are related to automotive field.Including gas source supply device, the first brake pedal, the first relay valve, the second relay valve, preceding bridge module, rear axle module, the first brake assemblies, the second brake assemblies and circuit control device.First relay valve is connected to gas source supply device, the first brake pedal and the first brake assemblies respectively；Second relay valve is connected to gas source supply device, the first brake pedal and the second brake assemblies respectively；First brake pedal is connected to gas source supply device；Second brake assemblies are connected to gas source supply device；Preceding bridge module is connected to gas source supply device and the first brake assemblies respectively；Preceding bridge module is connect with circuit control device；Rear axle module is connected to gas source supply device and the second brake assemblies respectively；Rear axle module is connect with circuit control device.Barometric brake circuit, structure composition is simple, and manual control and automatic control are be combined with each other, and realizes the efficient braking to vehicle.
Description
Technical field
The present invention relates to automotive fields, in particular to a kind of barometric brake circuit and system.
Background technique
Currently, the Pneumatic braking system overall performance of commercial vehicle is gradually increased, and realize electronic control.But commercial vehicle
Barometric brake circuit is often more lengthy and jumbled, and is not combined manual control and automatic control well.
Since barometric brake circuit is integrally lengthy and jumbled, it is low control efficiency inevitably occur, the easy failure of component, and pacifies
The problems such as dress is inconvenient.
Therefore, a kind of barometric brake circuit is designed, structure is simple, and effectively can mutually tie manual control with automatic control
It closes, improves the efficiency of braking, be current urgent problem to be solved.
Summary of the invention
The purpose of the present invention includes providing a kind of barometric brake circuit, and structure composition is simple, by manual control and automatic control
System be combined with each other, and realizes the efficient braking to vehicle.
The purpose of the present invention further includes providing a kind of Pneumatic braking system, can effectively ensure that the safety of vehicle driving,
Promote the comfort of vehicle ride.
The first technical solution provided by the invention:
A kind of barometric brake circuit, including gas source supply device, the first brake pedal, the first relay valve, the second relay valve,
Preceding bridge module, rear axle module, the first brake assemblies, the second brake assemblies and circuit control device；First relay valve point
It is not connected to the gas source supply device, first brake pedal and first brake assemblies；Second relay valve
It is connected to respectively with the gas source supply device, first brake pedal and second brake assemblies；First braking
Pedal is connected to the gas source supply device；Second brake assemblies are connected to the gas source supply device；The preceding bridge mould
Block is connected to the gas source supply device and first brake assemblies respectively；The preceding bridge module and the circuit control device
Connection；The rear axle module is connected to the gas source supply device and second brake assemblies respectively；The rear axle module with
The circuit control device connection.
Under manual control mode, first brake pedal controls first relay valve and second relay valve simultaneously
Actuation is connected to the gas source supply device with first brake assemblies and second brake assemblies respectively, to realize system
It is dynamic；Under automatic control mode, the circuit control device controls the preceding bridge module and the rear axle module actuation simultaneously, makes institute
It states gas source supply device to be connected to first brake assemblies and second brake assemblies respectively, to realize braking.
Further, the gas source supply device includes compressor, the first braking gas circuit and the second braking gas circuit；It is described
First braking gas circuit one end be connected to the compressor, the other end respectively with the preceding bridge module, first brake pedal
And the first relay valve connection；It is described second braking gas circuit one end be connected to the compressor, the other end respectively with institute
State rear axle module, second relay valve and first brake pedal connection.
It further, further include ASR valve and two-way one-way valve；The ASR valve respectively with it is described second braking gas circuit and
The two-way one-way valve connection；The ASR valve is connect with the circuit control device；The two-way one-way valve is respectively with described
Two relay valves and first brake pedal connection.
It further, further include the second brake pedal；Second brake pedal brakes gas circuit, institute with described first respectively
The second braking gas circuit, the preceding bridge module and rear axle module connection are stated, for realizing the first braking gas circuit and institute
State the connection of the first brake assemblies and the connection of the second braking gas circuit and second brake assemblies.
Further, the gas source supply device further includes the first air accumulator, the first check valve, the second air accumulator and
Two check valves；First air accumulator and first check valve are set in the first braking gas circuit；Second gas storage
Tank and the second one-way valve are set in the second braking gas circuit.
Further, first brake assemblies include the first three-way diverter valve, the first abs valve, the first spring braking machine
Structure, the second three-way diverter valve, the second abs valve and second spring arrestment mechanism；First three-way diverter valve respectively with it is described
First relay valve, the preceding bridge module and first abs valve connection；First abs valve and first spring braking
Mechanism connection；First spring check mechanism is for realizing the braking to vehicle off-front wheel；Second three-way diverter valve point
It is not connected to first relay valve, the preceding bridge module and second abs valve；Second abs valve and described second
Spring check mechanism connection；The second spring arrestment mechanism is for realizing the braking to vehicle the near front wheel.
Further, first brake assemblies further include first pressure sensor and second pressure sensor；Described
One pressure sensor is set on the pipeline between first abs valve and first spring check mechanism；Second pressure
Force snesor is set on the pipeline between second abs valve and the second spring arrestment mechanism.
Further, second brake assemblies include third three-way diverter valve, third abs valve, third spring braking machine
Structure, the 4th three-way diverter valve, the 4th abs valve and the 4th spring check mechanism；The third three-way diverter valve respectively with it is described
Second relay valve, the rear axle module and third abs valve connection；The third abs valve and the third spring braking
Mechanism connection；The third spring check mechanism is for realizing the braking to vehicle off hind wheel；4th three-way diverter valve point
It is not connected to second relay valve, the rear axle module and the 4th abs valve；4th abs valve and the described 4th
Spring check mechanism connection；4th spring check mechanism is for realizing the braking to vehicle left rear wheel.
Further, second brake assemblies further include third pressure sensor and the 4th pressure sensor；Described
Three pressure sensors are set on the pipeline between the third abs valve and the third spring check mechanism；4th pressure
Force snesor is set on the pipeline between the 4th abs valve and the 4th spring check mechanism.
Second of technical solution provided by the invention:
A kind of Pneumatic braking system, including barometric brake circuit described in tire, car body and the first scheme；It is described
First brake assemblies and second brake assemblies are all set on the tire；The gas source supply device, first system
Dynamic pedal, first relay valve, second relay valve, the preceding bridge module, the rear axle module and the circuit control
Device processed is all set on the car body.
Compared to existing barometric brake circuit and system, a kind of barometric brake circuit provided by the invention and system it is beneficial
Effect is:
Barometric brake circuit carries out manual control to brake assemblies using brake pedal, and passes through preceding bridge module and rear axle mould
Block, which is realized, to be automatically controlled.Manual control and automatic control are effectively combined.Entire barometric brake circuit structure is simple, and
It is easily installed.
Pneumatic braking system is braked by the front and back tire to vehicle, is guaranteed the safety of vehicle driving, is further mentioned
The high comfort of vehicle ride.
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 that the component of barometric brake circuit provided in an embodiment of the present invention forms system block diagram；
Fig. 2 is the gas circuit arragement construction schematic diagram of barometric brake circuit provided in an embodiment of the present invention；
Fig. 3 is that the gas circuit arragement construction that barometric brake circuit provided in an embodiment of the present invention is added after the second brake pedal is shown
It is intended to；
Fig. 4 is the structural schematic diagram of Pneumatic braking system provided in an embodiment of the present invention.
Icon: 100- barometric brake circuit；01- gas source supply device；11- compressor；12- first brakes gas circuit；13-
One air accumulator；The first check valve of 14-；15- second brakes gas circuit；The second air accumulator of 16-；17- second one-way valve；21- first after
Dynamic valve；The second relay valve of 22-；Bridge module before 31-；32- rear axle module；The first brake assemblies of 41-；The first triplet commutation of 411-
Valve；The first abs valve of 412-；The first spring check mechanism of 413-；The second three-way diverter valve of 414-；The second abs valve of 415-；416-
Two spring check mechanisms；The second brake assemblies of 42-；421- third three-way diverter valve；422- third abs valve；423- third spring
Arrestment mechanism；The 4th three-way diverter valve of 424-；The 4th abs valve of 425-；The 4th spring check mechanism of 426-；05- circuit control dress
It sets；61-ASR valve；The two-way one-way valve of 62-；The first brake pedal of 07-；The second brake pedal of 08-；911- off-front wheel；912- is left front
Wheel；921- off hind wheel；922- left rear wheel.
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.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put or those skilled in the art orientation or position that usually understand
Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the equipment of indication or suggestion meaning or element are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
Fig. 1 and Fig. 2 are please referred to, present embodiments provides a kind of barometric brake circuit 100, including gas source supply device 01,
First brake pedal 07, the first relay valve 21, the second relay valve 22, preceding bridge module 31, rear axle module 32, the first brake assemblies
41, the second brake assemblies 42 and circuit control device 05.
Gas source supply device 01 include compressor 11, first brake gas circuit 12, the first air accumulator 13, the first check valve 14,
Second braking gas circuit 15, the second air accumulator 16 and second one-way valve 17.One end of first braking gas circuit 12 and compressor 11 connect
Logical, the other end is connected to preceding bridge module 31, the first brake pedal 07 and the first relay valve 21 respectively.The setting of first air accumulator 13
In the first braking gas circuit 12, for guaranteeing the brake gas pressure in the first braking gas circuit 12.First check valve 14 is set to
In first braking gas circuit 12, for preventing brake gas to be redirected back into compressor 11, the normal work of compressor 11 is influenced.
One end of second braking gas circuit 15 is connected to compressor 11, and the other end is stepped on the braking of rear axle module 32, first respectively
Plate 07 and the connection of the second relay valve 22.The setting of second air accumulator 16 is in the second braking gas circuit 15, for guaranteeing the second braking
Brake gas pressure in gas circuit 15.Second one-way valve 17 is set in the second braking gas circuit 15, for preventing brake gas anti-
To compressor 11 is entered, the normal work of compressor 11 is influenced.
First relay valve 21 is also connected to the first brake pedal 07 and the first brake assemblies 41 respectively, for manually controlling
The actuation to the first brake assemblies 41 is realized under molding formula.Preceding bridge module 31 is also braked with circuit control device 05 and first respectively
Component 41 connects, for realizing the actuation to the first brake assemblies 41 under automatic control mode.
Second relay valve 22 is also connected to the first brake pedal 07 and the second brake assemblies 42 respectively, for manually controlling
The actuation to the second brake assemblies 42 is realized under molding formula.Rear axle module 32 is also braked with circuit control device 05 and second respectively
Component 42 connects, for realizing the actuation to the second brake assemblies 42 under automatic control mode.
Skidding when in order to guarantee vehicle start or accelerate, is arranged ASR valve 61 and two-way one-way valve 62.ASR valve 61 respectively with
Second braking gas circuit 15 is connected to two-way one-way valve 62.Two-way one-way valve 62 also respectively with the first brake pedal 07 and the second servo
Valve 22 is connected to.ASR valve 61 is connect with circuit control device 05, under the control of circuit control device 05, makes the second braking gas circuit
15 are directly connected to or disconnect with the second relay valve 22, to realize the braking of vehicle, guarantee the safety of vehicle driving.
Barometric brake circuit 100 controls preceding bridge module 31 and rear axle module 32 using circuit control device 05, with
Realize the braking of vehicle under automatic control mode.Meanwhile using the first brake pedal 07 to the first relay valve 21 and the second servo
Valve 22 is controlled, to realize the braking of vehicle under manual control mode.Manual control mode and automatic control mode is effective
Combine, the performance of the vehicle braking further promoted ensure that the safety of vehicle driving.Also, carry out manual control
It is simple with the apparatus structure of automatic control, it is easily installed, integrated level is high.
Under manual control mode, the first brake pedal 07 is trampled, the brake gas in the first braking gas circuit 12 enters the
One relay valve 21, the first relay valve 21 are opened, and are connected to the first braking gas circuit 12 with the first brake assemblies 41, brake gas actuation
First brake assemblies 41, realize the braking of vehicle.Meanwhile after trampling the first brake pedal 07, in the second braking gas circuit 15
Brake gas enters the second relay valve 22, and the second relay valve 22 is opened, and connects the second braking gas circuit 15 and the second brake assemblies 42
Logical, the second brake assemblies of brake gas actuation 42 realize the braking of vehicle.
Under automatic control mode, bridge module 31 actuation before circuit control device 05 controls, make the first braking gas circuit 12 with
The connection of first brake assemblies 41, the first brake assemblies of brake gas actuation 41 realize the braking of vehicle.On the other hand, circuit control
Device 05 processed controls 32 actuation of rear axle module, is connected to the second braking gas circuit 15 with the second brake assemblies 42, brake gas actuation
Second brake assemblies 42, realize the braking of vehicle.
Please refer to Fig. 3.In order to further enhance the performance of vehicle braking, avoids automatically controlling and fail, the second system can be added
Dynamic pedal 08.Second brake pedal 08 brakes gas circuit 15, preceding bridge module 31 and rear axle with the first braking gas circuit 12, second respectively
Module 32 is connected to.It, can the system of actuation second when circuit control device 05 fails to the control of preceding bridge module 31 and rear axle module 32
Dynamic pedal 08, is connected to the first braking gas circuit 12 with preceding bridge module 31, while connects the second braking gas circuit 15 with rear axle module 32
It is logical, control of the bridge module 31 to the control and rear axle module 32 of the first brake assemblies 41 to the second brake assemblies 42 before realizing respectively
System.
Referring to Fig. 4, the present embodiment also provides a kind of Pneumatic braking system, including car body, tire and the present embodiment mention
The barometric brake circuit 100 of confession.Gas source supply device 01, the first brake pedal 07, the second brake pedal 08, the first relay valve
21, the second relay valve 22, preceding bridge module 31, rear axle module 32, ASR valve 61 and two-way one-way valve 62 are all set on car body.
First brake assemblies 41 are set to the front tyre of vehicle.Specifically, the first brake assemblies 41 include that the first threeway is changed
To valve 411, the first abs valve 412, the first spring check mechanism 413, the second three-way diverter valve 414, the second abs valve 415 and
Two spring check mechanisms 416.Wherein, the first three-way diverter valve 411, the first abs valve 412 and the first spring check mechanism 413
It is all set in the off-front wheel 911 of vehicle.First three-way diverter valve 411 respectively with the first relay valve 21, preceding bridge module 31 and
The connection of one abs valve 412.First abs valve 412 is connected to the first spring check mechanism 413.First three-way diverter valve 411 is mainly used
In control between the first relay valve 21 and the first abs valve 412 connection of pipeline and preceding bridge module 31 and the first abs valve 412 it
Between pipeline connection.
Under automatic control mode, pipeline between bridge module 31 and the first abs valve 412 before the first three-way diverter valve 411 makes
Connection, control of the bridge module 31 to the first abs valve 412 before realizing.Under manual control mode, the first three-way diverter valve 411 makes
Pipeline connection between first relay valve 21 and the first abs valve 412 realizes control of first relay valve 21 to the first abs valve 412.
Second three-way diverter valve 414, the second abs valve 415 and second spring arrestment mechanism 416 are all set in the near front wheel
912.Second three-way diverter valve 414 is connected to the first relay valve 21, preceding bridge module 31 and the second abs valve 415 respectively.Second
Abs valve 415 is connected to second spring arrestment mechanism 416.Second three-way diverter valve 414 be mainly used for the first relay valve 21 of control with
Between second abs valve 415 between the connection of pipeline and preceding bridge module 31 and the second abs valve 415 pipeline connection.
Under automatic control mode, pipeline between bridge module 31 and the second abs valve 415 before the second three-way diverter valve 414 makes
Connection, control of the bridge module 31 to the second abs valve 415 before realizing.Under manual control mode, the second three-way diverter valve 414 makes
Pipeline connection between first relay valve 21 and the second abs valve 415 realizes control of first relay valve 21 to the second abs valve 415.
Second brake assemblies 42 are set to the rear tyre of vehicle.Specifically, the second brake assemblies 42 include that third threeway is changed
To valve 421, third abs valve 422, third spring check mechanism 423, the 4th three-way diverter valve 424, the 4th abs valve 425 and
Four spring check mechanisms 426.Wherein, third three-way diverter valve 421, third abs valve 422 and third spring check mechanism 423
It is all set in the off hind wheel 921 of vehicle.Third three-way diverter valve 421 respectively with rear axle module 32, the second relay valve 22 and
The connection of three abs valves 422.Third abs valve 422 is connected to third spring check mechanism 423.Third three-way diverter valve 421 is mainly used
In control between the second relay valve 22 and third abs valve 422 connection of pipeline and rear axle module 32 and third abs valve 422 it
Between pipeline connection.
Under automatic control mode, third three-way diverter valve 421 makes pipeline between rear axle module 32 and third abs valve 422
Control of the rear axle module 32 to third abs valve 422 is realized in connection.Under manual control mode, third three-way diverter valve 421 makes
Pipeline connection between second relay valve 22 and third abs valve 422 realizes control of second relay valve 22 to third abs valve 422.
4th three-way diverter valve 424, the 4th abs valve 425 and the 4th spring check mechanism 426 are all set in the right side of vehicle
Rear-wheel 921.4th three-way diverter valve 424 is connected to rear axle module 32, the second relay valve 22 and the 4th abs valve 425 respectively.The
Four abs valves 425 are connected to the 4th spring check mechanism 426.4th three-way diverter valve 424 is mainly used for controlling the second relay valve 22
Between the 4th abs valve 425 between the connection and rear axle module 32 and the 4th abs valve 425 of pipeline pipeline connection.
Under automatic control mode, the 4th three-way diverter valve 424 makes pipeline between rear axle module 32 and the 4th abs valve 425
Control of the rear axle module 32 to the 4th abs valve 425 is realized in connection.Under manual control mode, the 4th three-way diverter valve 424 makes
Pipeline connection between second relay valve 22 and the 4th abs valve 425 realizes control of second relay valve 22 to the 4th abs valve 425.
It is understood that the rear tyre of commercial vehicle not necessarily each one of left and right, therefore, in order to guarantee have to vehicle
The braking of effect ground, rear axle module 32 and the second relay valve 22 can draw the braking pressure being adapted with rear tyre quantity in gas outlet
Gas circuit, and the second brake assemblies 42 are set on each pair of rear tyre, multiple second brake assemblies 42 respectively with corresponding braking pressure
Air circuit connection is, it can be achieved that braking to rear tyre.In addition, existing spring system can be used in the spring check mechanism in brake assemblies
Motivation structure, conveniently purchases and installs.
A kind of barometric brake circuit 100 and Pneumatic braking system provided in an embodiment of the present invention at least have the following
The utility model has the advantages that
Bridge module 31, rear axle module 32, the first relay valve 21 and the second relay valve 22 before being arranged simultaneously, are realized to vehicle
Manual control and automatic control reciprocal, further promoted vehicle braking performance, protect the safety of vehicle driving.
Second brake pedal 08 is set, is guaranteed in the case where circuit control device 05 fails, it can be to preceding bridge module 31
Manual control is carried out with rear axle module 32.
Entire barometric brake circuit 100 is simple for structure, compact, can effectively ensure that the braking to vehicle.Compared to existing
The component of braking system, use is less, has saved cost.
It should be noted that appended drawing reference not with the arrow in all attached drawings is to refer to entity structure.The foregoing is merely
The preferred embodiment of the present invention is not intended to restrict the invention, and for those skilled in the art, the present invention can be with
There are various modifications and variations.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within protection scope of the present invention.
Claims (10)
1. a kind of barometric brake circuit, which is characterized in that including gas source supply device, the first brake pedal, the first relay valve,
Two relay valves, preceding bridge module, rear axle module, the first brake assemblies, the second brake assemblies and circuit control device；Described first
Relay valve is connected to the gas source supply device, first brake pedal and first brake assemblies respectively；Described
Two relay valves are connected to the gas source supply device, first brake pedal and second brake assemblies respectively；It is described
First brake pedal is connected to the gas source supply device；The connection of gas source supply device described in second brake assemblies；It is described
Preceding bridge module is connected to the gas source supply device and first brake assemblies respectively；The preceding bridge module and the circuit control
Device connection processed；The rear axle module is connected to the gas source supply device and second brake assemblies respectively；The rear axle
Module is connect with the circuit control device；
Under manual control mode, first brake pedal controls first relay valve simultaneously and second relay valve is made
It is dynamic, it is connected to the gas source supply device with first brake assemblies and second brake assemblies respectively, to realize braking；
Under automatic control mode, the circuit control device controls the preceding bridge module and the rear axle module actuation simultaneously, makes described
Gas source supply device is connected to first brake assemblies and second brake assemblies respectively, to realize braking.
2. barometric brake circuit as described in claim 1, which is characterized in that the gas source supply device includes compressor,
One braking gas circuit and the second braking gas circuit；One end of the first braking gas circuit is connected to the compressor, other end difference
It is connected to the preceding bridge module, first brake pedal and first relay valve；One end of the second braking gas circuit
Be connected to the compressor, the other end respectively with the rear axle module, second relay valve and first brake pedal
Connection.
3. barometric brake circuit as claimed in claim 2, which is characterized in that further include ASR valve and two-way one-way valve；It is described
ASR valve is connected to the second braking gas circuit and the two-way one-way valve respectively；The ASR valve and the circuit control device
Connection；The two-way one-way valve is connected to second relay valve and first brake pedal respectively.
4. barometric brake circuit as claimed in claim 2, which is characterized in that further include the second brake pedal；Second system
Dynamic pedal connects with the first braking gas circuit, the second braking gas circuit, the preceding bridge module and the rear axle module respectively
It is logical, for realizing the connection of the first braking gas circuit and first brake assemblies and described second brake gas circuit with it is described
The connection of second brake assemblies.
5. barometric brake circuit as claimed in claim 2, which is characterized in that the gas source supply device further includes the first gas storage
Tank, the first check valve, the second air accumulator and second one-way valve；First air accumulator and first check valve are set to institute
It states in the first braking gas circuit；Second air accumulator and the second one-way valve are set in the second braking gas circuit.
6. barometric brake circuit as described in claim 1, which is characterized in that first brake assemblies include that the first threeway is changed
To valve, the first abs valve, the first spring check mechanism, the second three-way diverter valve, the second abs valve and second spring arrestment mechanism；
First three-way diverter valve is connected to first relay valve, the preceding bridge module and first abs valve respectively；It is described
First abs valve is connected to first spring check mechanism；First spring check mechanism is for realizing to vehicle off-front wheel
Braking；Second three-way diverter valve connects with first relay valve, the preceding bridge module and second abs valve respectively
It is logical；Second abs valve is connected to the second spring arrestment mechanism；The second spring arrestment mechanism is for realizing to vehicle
The braking of the near front wheel.
7. barometric brake circuit as claimed in claim 6, which is characterized in that first brake assemblies further include first pressure
Sensor and second pressure sensor；The first pressure sensor is set to first abs valve and the first spring system
On pipeline between motivation structure；The second pressure sensor is set to second abs valve and the second spring brake
On pipeline between structure.
8. barometric brake circuit as described in claim 1, which is characterized in that second brake assemblies include that third threeway is changed
To valve, third abs valve, third spring check mechanism, the 4th three-way diverter valve, the 4th abs valve and the 4th spring check mechanism；
The third three-way diverter valve is connected to second relay valve, the rear axle module and the third abs valve respectively；It is described
Third abs valve is connected to the third spring check mechanism；The third spring check mechanism is for realizing to vehicle off hind wheel
Braking；4th three-way diverter valve connects with second relay valve, the rear axle module and the 4th abs valve respectively
It is logical；4th abs valve is connected to the 4th spring check mechanism；4th spring check mechanism is for realizing to vehicle
The braking of left rear wheel.
9. barometric brake circuit as claimed in claim 8, which is characterized in that second brake assemblies further include that third pressure passes
Sensor and the 4th pressure sensor；The third pressure sensor is set to the third abs valve and the third spring braking
On pipeline between mechanism；4th pressure sensor is set to the 4th abs valve and the 4th spring check mechanism
Between pipeline on.
10. a kind of Pneumatic braking system, which is characterized in that including tire, car body and described in any one of claim 1-9
Barometric brake circuit；First brake assemblies and second brake assemblies are all set on the tire；The gas source supplies
To device, first brake pedal, first relay valve, second relay valve, the preceding bridge module, the rear axle mould
Block and the circuit control device are all set on the car body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182064.0A CN109910846A (en) | 2019-03-11 | 2019-03-11 | A kind of barometric brake circuit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182064.0A CN109910846A (en) | 2019-03-11 | 2019-03-11 | A kind of barometric brake circuit and system |
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| Publication Number | Publication Date |
|---|---|
| CN109910846A true CN109910846A (en) | 2019-06-21 |
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ID=66964349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182064.0A Pending CN109910846A (en) | 2019-03-11 | 2019-03-11 | A kind of barometric brake circuit and system |
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| CN (1) | CN109910846A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110654359A (en) * | 2019-09-30 | 2020-01-07 | 清华大学 | Bridge module, pneumatic line control brake system and control method |
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