CN209410023U - A kind of service braking system and electric vehicle - Google Patents
A kind of service braking system and electric vehicle Download PDFInfo
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- CN209410023U CN209410023U CN201822058872.XU CN201822058872U CN209410023U CN 209410023 U CN209410023 U CN 209410023U CN 201822058872 U CN201822058872 U CN 201822058872U CN 209410023 U CN209410023 U CN 209410023U
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- rear axle
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Abstract
The utility model discloses a kind of service braking systems, comprising: for providing the gas receiver of gas, braking foot valve, automatically controlled on-off valve, the electric proportional valve of normal open and for relay valve of the ABS device conveying gas to brake for brake operating；The air inlet of the air inlet and automatically controlled on-off valve of braking foot valve is all connected with gas receiver, brakes the first air inlet of the gas outlet connection electric proportional valve of foot valve, the second air inlet of the gas outlet connection electric proportional valve of automatically controlled on-off valve；The control interface of the gas outlet connection relay valve of electric proportional valve, the air inlet of relay valve connect gas receiver；Automatically controlled on-off valve is off-state under MANUAL CONTROL mode, and automatically controlled on-off valve is connected state under unmanned mode.Service braking system provided by the present application can be braked in electric control driving can be realized automatic switchover with artificial service brake.Disclosed herein as well is a kind of electric vehicles including above-mentioned service braking system.
Description
Technical field
The utility model relates to Design of Electric Vehicles technical fields, more specifically to a kind of service braking system.This
Outside, the utility model further relates to a kind of electric vehicle including above-mentioned service braking system.
Background technique
Unmanned the relevant technologies are one of automobile industry future important development directions, in recent years unmanned the relevant technologies
In technical field of vehicle by favor, automatic driving vehicle collect the multidisciplinary technology such as visual perception, artificial intelligence, planning control in
One, it can not only alleviate traffic congestion, but also can alleviate the driving fatigue of driver, to raising traffic safety etc.
It is of great significance.
Unmanned service brake is one of very important component part in automatic driving vehicle, it can be automatically right
Vehicle carries out service brake, so that vehicle encounters barrier, temporary parking, encounters and realize under the situations such as traffic lights, emergency brake
Service brake.
To realize unmanned service brake, it is necessary to possess a set of feasible, reliable electric control driving braking scheme, and electricity
Control service brake and artificial service brake can be realized automatic switchover.It is grasped in the prior art by the way that two sets of control systems are arranged
Make, vehicle structure occupancy volume is larger, wastes more space and structure.
In conclusion how to provide a kind of saving topology layout space and having switches easy driving system between unmanned
Dynamic system, is a problem to be solved by those skilled in the art.
Utility model content
In view of this, the system can make full use of hand the purpose of the utility model is to provide a kind of service braking system
The structure of service braking system under dynamic control drive mode, and the switching of both of which is formed in simple structure, it avoids increasing
Add the occupied space and cost of braking system.
The another object of the utility model is to provide a kind of electric vehicle including above-mentioned service braking system.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of service braking system, comprising:
For provided for brake operating gas gas receiver, braking foot valve, automatically controlled on-off valve, normal open electric proportional valve and
Relay valve for ABS device conveying gas to brake；
The air inlet of the braking foot valve and the air inlet of the automatically controlled on-off valve are all connected with the gas receiver, the braking
The gas outlet of foot valve connects the first air inlet of the electric proportional valve, the gas outlet connection of the automatically controlled on-off valve electric ratio
Second air inlet of valve；The gas outlet of the electric proportional valve connects the control interface of the relay valve, the air inlet of the relay valve
Mouth connects the gas receiver；The automatically controlled on-off valve is off-state, the electricity under unmanned mode under MANUAL CONTROL mode
Control on-off valve is connected state.
Preferably, the gas receiver includes preceding bridge gas receiver and rear axle gas receiver, and the relay valve includes for being preceding bridge
The relay valve of front axle of ABS gas supply and the rear axle relay valve supplied for rear axle ABS；
The automatically controlled on-off valve include be connected to the preceding gas receiver the automatically controlled on-off valve of preceding bridge and be connected to it is described after storage
The rear axle electronically controlled on-off valve of inflator；
The electric proportional valve includes:
Preceding bridge electricity proportion magnetic valve is connected to the control interface of the preceding bridge automatically controlled on-off valve and the relay valve of front axle
Between；
Rear axle electricity proportion magnetic valve；Its control interface for being connected to the rear axle electronically controlled on-off valve and the rear axle relay valve
Between.
Preferably, the number of the preceding bridge ABS is two, and air inlet is all connected to the outlet of the relay valve of front axle
Mouthful；
And/or the number of the rear axle ABS is two, air inlet is all connected to the gas outlet of the rear axle relay valve.
Preferably, the number of the rear axle relay valve is two, and control interface is all connected to the rear axle electric proportional valve
Gas outlet.
Preferably, the gas outlet of the rear axle ABS connects at least two rear axle spring air chambers.
Preferably, the braking foot valve includes disconnected logical for being respectively turned on two of preceding bridge gas circuit and rear axle gas circuit
Gas chamber.
Preferably, the automatically controlled on-off valve is connected to ECU controller, the ECU controller with for controlling manual drive
It is connected with the input unit of unmanned mode conversion.
Preferably, the inlet-end manifold road of the automatically controlled on-off valve, the inlet-end manifold road of the braking foot valve, the storage
The low pressure warning switch for detection gas pressure is provided on the outlet side pipeline of inflator, when the gas pressure is lower than default
When minimum, the low pressure warning switch alarm.
A kind of electric vehicle, including service braking system, the service braking system are driving described in any of the above embodiments
Braking system.
The automatically controlled on-off valve being in parallel with braking foot valve is provided in the application, braking foot valve has under pilot steering mode
The foot of driver controls, and automatically controlled on-off valve controls power on/off by automatic driving mode, and the two passes through electric proportional valve to relay valve
Control interface supply gas, be for realizing that control relay valve opens or closes, it is by it that relay valve, which obtains pressed gas,
It is directly connected to gas receiver realization.
Service braking system provided by the present application can be braked in electric control driving and be can be realized automatically with artificial service brake
Switching, and in the case where keeping original running braking system constant, only by be added automatically controlled on-off valve, electric proportional valve,
Electric control driving braking, and the easy switching of the two mode can be thus achieved in braking air pipe and connection wiring harness etc..
Present invention also provides a kind of electric vehicles including above-mentioned service braking system.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the system schematic of service braking system provided by the utility model；
Fig. 2 is the partial enlargement diagram of service braking system provided by the utility model.
In Fig. 1-2:
Electric inflation pump 1, automatically controlled drier 2, four-loop protection valve 3, rear axle gas receiver 4, rear axle spring air chamber 5, rear axle
ABS6, rear axle relay valve 7, preceding bridge gas receiver 8, braking foot valve 9, preceding bridge gas chamber 10, relay valve of front axle 11, preceding bridge ABS12, low pressure
Alarm switch 13, automatically controlled on-off valve 14, electric proportional valve 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of service braking system, which, which can make full use of, manually controls driving
The structure of service braking system under mode, and the switching of both of which is formed in simple structure, it avoids increasing braking system
Occupied space and cost.
Another core of the utility model is to provide a kind of electric vehicle including above-mentioned service braking system.
Please referring to Fig. 1 to 2, Fig. 1 is a kind of system schematic of service braking system provided by the utility model；Fig. 2
For the partial enlargement diagram of service braking system provided by the utility model.
A kind of service braking system provided by the present application, mainly include for provided for brake operating the gas receiver of gas,
Brake foot valve 9, automatically controlled on-off valve 14, the electric proportional valve 15 of normal open and the relay valve for ABS device conveying gas to brake；
The air inlet of the air inlet and automatically controlled on-off valve 14 of braking foot valve 9 is all connected with gas receiver, brakes the gas outlet of foot valve 9
Connect the first air inlet of electric proportional valve 15, the second air inlet of the gas outlet connection electric proportional valve 15 of automatically controlled on-off valve 14；Electricity
The control interface of the gas outlet connection relay valve of proportioning valve 15, the air inlet of relay valve connect gas receiver；Under MANUAL CONTROL mode
Automatically controlled on-off valve 14 is off-state, and automatically controlled on-off valve 14 is connected state under unmanned mode.
It should be noted that being to provide that there is pressure from gas receiver to relay valve in existing service braking system
Gas conveys gas to ABS device by relay valve, is worked by ABS device and realize braking.And whether gas receiver is to relay valve
There is provided gas is controlled by braking foot valve 9, and when braking foot valve 9 is stepped on, push rod therein is moved down so that with storage
One end of inflator connection and one end for also connect with relay valve be connected to, and realization pressed gas is led to the control interface of relay valve
Logical, the control interface of relay valve is pressurized and starts relay valve, is connected to the piping connection of relay valve air inlet in gas receiver, thus
The pressed gas of gas receiver is finally led in ABS device by relay valve into vapour.
Still using sequentially connected gas receiver, braking foot valve 9, relay valve and ABS device in the application, by braking foot valve
9 outlet side is supplied gas to the control interface of relay valve, to control opening or closing for pneumatic operated valve, the relay valve energy of open state
It is enough that the pressed gas of gas receiver is led into ABS device.
Above system further includes the unmanned scheme control route that electric proportional valve 15 and automatically controlled on-off valve 14 provide.Its
In, automatically controlled on-off valve 14 connects gas receiver, can receive the pressed gas that gas receiver is passed through, automatically controlled on-off valve 14 connects electric ratio
Example valve 15, electric proportional valve 15 is a normal open valve, and automatically controlled on-off valve 14 is controlled whether to be powered by the control of vehicle.Wherein, in hand
It under dynamic driving mode, or is artificial driving mode, automatically controlled on-off valve 14 must not be electric, is in an off state；Unmanned mode
Under, automatically controlled on-off valve 14 must be electric, is in connected state.
When pilot steering mode, automatically controlled on-off valve 14 must not keep electricity, be in close state, pressed gas can not pass through
It enters in electric proportional valve 15, meanwhile, electric proportional valve 15 must not be electric, is in normal open state.At this point, driver steps on foot brake
Valve, gas receiver gas enter relay valve control mouth by braking foot valve 9, so that relay valve works and opens, gas receiver gas is then
ABS device can be arrived again by relay valve, to realize front and back service brake.
When unmanned service brake, automatically controlled on-off valve 14 must be electric, in the open state；Electric proportional valve 15 be electric shape
State, the proportion electro-magnet in electric proportional valve generate corresponding movement according to the voltage signal of input, work valve core are made to generate position
It moves, port size changes.So that gas receiver gas enters relay valve control by automatically controlled on-off valve 14 and electric proportional valve 15
Interface processed, so that relay valve is opened, gas receiver gas is able to enter ABS device by the air inlet of relay valve, realizes front and back nothing
People drives service brake.
It is provided with the automatically controlled on-off valve 14 being in parallel with braking foot valve 9 in the application, brakes foot valve 9 in pilot steering mode
Under there is the foot of driver to control, automatically controlled on-off valve 14 controls power on/off by automatic driving mode, and the two passes through electric proportional valve 15
It supplies gas to the control interface of relay valve, is for realizing opening or closing for control relay valve, relay valve obtains pressed gas
It is to be directly connected to gas receiver by it to realize.
Service braking system provided by the present application can be braked in electric control driving and be can be realized automatically with artificial service brake
Switching, and in the case where keeping original running braking system constant, only by be added automatically controlled on-off valve, electric proportional valve,
Electric control driving braking, and the easy switching of the two mode can be thus achieved in braking air pipe and connection wiring harness etc..
Need to illustrate is upper, and bridge and rear axle, generally use two nooses in braking process before being generally divided into existing vehicle
Structure controls front-rear axle, and specifically, in scheme provided herein, gas receiver includes preceding bridge gas receiver 8 and rear axle storage
Inflator 4, relay valve include relay valve of front axle 11 for being supplied for preceding bridge ABS12 and be rear axle ABS6 gas supply rear axle relay valve
7；
Automatically controlled on-off valve 14 includes being connected to the automatically controlled on-off valve of preceding bridge of preceding gas receiver and being connected to the rear axle of rear gas receiver
Automatically controlled on-off valve；
Electric proportional valve 15 includes: preceding bridge electricity proportion magnetic valve and rear axle electricity proportion magnetic valve；
Before preceding bridge electricity proportion magnetic valve is connected between the automatically controlled on-off valve of bridge and the control interface of relay valve of front axle 11；Rear axle
Electric proportion magnetic valve is connected between rear axle electronically controlled on-off valve and the control interface of rear axle relay valve 7.
It should be noted that referring to FIG. 1, bridge gas receiver 8 connects the air inlet of braking foot valve 9, automatically controlled on-off before wherein
The air inlet of valve 14 and the air inlet of relay valve of front axle 11, latter two can not be by gas internally in cold situation
It imports.
Braking foot valve 9 has at least four end interface, in Fig. 1 braking foot valve 9 have 11 interfaces, 12 interfaces, 21 interfaces and
22 interfaces, wherein 11 interfaces are air inlet, and for connecting with rear axle gas receiver 4,12 interfaces are air inlet, for storing up with preceding bridge
Inflator 8 connects, and 21 interfaces are outlet interface, and for connecting with the air inlet P of preceding bridge electricity proportion magnetic valve, 22 interfaces are outlet
Mouthful, for being connect with the air inlet P of rear axle electricity proportion magnetic valve.
The air inlet of the preceding automatically controlled on-off valve of bridge is connected to preceding gas receiver, before gas outlet is connected to bridge electricity proportion magnetic valve into
Port R；The air inlet of rear axle electronically controlled on-off valve is connected to rear gas receiver, and gas outlet is connected to the air inlet of rear axle electricity proportion magnetic valve
Mouth R；
The gas outlet of two electric proportional valves 15 is all connected to the control interface of corresponding relay valve, correspondingly, relay valve packet
Relay valve of front axle 11 and rear axle relay valve 7 are included, is separately connected corresponding ABS device, and after its control interface is realized and opened, it is preceding
Axle relay valve 11 and rear axle relay valve 7 can connect its air inlet (1 interface in Fig. 1) and gas outlet (2 interfaces in Fig. 1)
It is logical, so that gas outlet (2 interfaces in Fig. 1) provide pressed gas to corresponding ABS device.
It should be noted that the present embodiment is by being respectively set corresponding electric proportional valve 15, automatically controlled logical for preceding bridge and rear axle
Disconnected valve 14 and relay valve, can facilitate the operation respectively for realizing front-rear axle.
Optionally, above system equally can be realized directly by a gas receiver, in addition, preceding bridge and rear axle can also lead to
An electric proportional valve 15 is crossed to connect.
On the basis of above-described embodiment, the number of preceding bridge ABS12 is two, bridge servo before air inlet is all connected to
The gas outlet of valve 11；And/or the number of rear axle ABS6 is two, air inlet is all connected to the gas outlet of rear axle relay valve 7.
On the basis of above-described embodiment, the number of rear axle relay valve 7 is two, and control interface is all connected to rear axle
The gas outlet of electric proportional valve 15.
Optionally, the gas outlet of rear axle ABS6 connects at least two rear axle spring air chambers 5.
Referring to FIG. 1, being additionally provided with the four-loop protection valve 3 connecting with the two, four circuits before front-rear axle gas receiver
Protection valve 3 is connect with automatically controlled drier 2, and automatically controlled drier connects electric inflation pump.
On the basis of any one above-mentioned embodiment, braking foot valve 9 includes for being respectively turned on preceding bridge gas circuit with after
The disconnected ventilation chamber of two of bridge gas circuit.
It should be noted that when the push rod for braking foot valve 9 is stepped on downwards, the air inlet and outlet of two ventilation chambers
Mouth can be switched on respectively, or the delay with preset time.
On the basis of above-described embodiment, automatically controlled on-off valve 14 is connected to ECU controller, ECU controller with for controlling
Manual drive processed is connected with the input unit that unmanned mode is converted.
It should be noted that the need of work of automatically controlled on-off valve 14 it is automatically controlled to electrically operated, therefore, in order to control artificial row
Vehicle braking and unmanned service brake mode convert, can by ECU controller to automatically controlled on-off valve 14 whether be powered into
Row control.
It should be noted that in the system structure used in the application, foot valve 9 is in parallel sets for automatically controlled on-off valve 14 and braking
It sets, and the gas outlet of the two is all connected to the electric proportional valve 15 of normal open, automatically controlled on-off valve 14 can be opened or closed by control, but
Braking foot valve 9 can be constantly in working condition, therefore under arbitrary patterns, and brake operating may be implemented in braking foot valve 9.
On the basis of any one above-mentioned embodiment, foot valve 9 is braked in the inlet-end manifold road of automatically controlled on-off valve 14
Inlet-end manifold is provided with the low pressure warning switch 13 for detection gas pressure on the road, on the outlet side pipeline of gas receiver, works as gas
When body pressure is lower than default minimum, low pressure warning switch 13 is alarmed.
Optionally, low pressure warning switch 13 can select a plurality of types of warning devices in the prior art.
In a specific embodiment provided herein, the air inlet point of the automatically controlled on-off valve of forward and backward service brake
It is not connected with the air inlet (12 interfaces and 11 structures) of braking foot valve 9, (R connects with the air inlet of electric proportion magnetic valve for gas outlet
Mouthful) be connected, the air inlet (P interface) of the electric proportion magnetic valve of forward and backward service brake and two gas outlets (22 of braking foot valve 9
Interface and 21 interfaces) it is connected, the gas outlet (A interface) of electric proportional valve 15 is connected with forward and backward axle relay valve control interface respectively.Electricity
Proportioning valve is normal open valve, and the automatic switchover that artificial service brake is braked with electric control driving is opened by the on-off reserved in driver's cabin
Close realization.
When artificial service brake, automatically controlled on-off valve 14 must not be electric, is in close state；Electric proportional valve 15 must not be electric, protects
Normal open state is held, driver steps on foot brake valves, before preceding bridge gas receiver 8,4 gas of rear axle gas receiver are entered by braking foot valve 9
The control interface of axle relay valve 11, rear axle relay valve 7, so that relay valve of front axle 11, rear axle relay valve 7 are opened.Therefore, preceding bridge
Gas receiver 8, rear axle gas receiver 4 gas led to by relay valve of front axle 11, rear axle relay valve 7 before bridge ABS12, rear axle ABS6,
Preceding bridge gas chamber 10 and rear axle spring air chamber 5 are arrived again, finally realize forward and backward service brake.
When unmanned service brake, automatically controlled on-off valve 14 must be electric, in the open state；Electric proportional valve 15 obtains electric, valve
Interior proportion electro-magnet generates corresponding movement according to the voltage signal of input, and work valve core is made to generate displacement, port size hair
It is raw to change.Preceding bridge gas receiver 8, rear axle gas receiver 4 gas by braking foot valve 9 enter relay valve of front axle 11, rear axle relay valve 7
Control interface so that relay valve of front axle 11, rear axle relay valve 7 open, forward and backward gas receiver gas by relay valve of front axle 11,
Axle relay valve 7 arrives preceding bridge ABS12, rear axle ABS6 again afterwards, then arrives preceding bridge gas chamber 10 and rear axle spring air chamber 5, realize it is forward and backward nobody
Drive service brake.
In addition to the primary structure and connection relationship of service braking system provided in above-mentioned each embodiment, this is practical new
Type also provides a kind of electric vehicle including above-mentioned service braking system, and the structure of other each sections of the electric vehicle please refers to
The prior art, repeats no more herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Electric vehicle provided by the utility model and service braking system are described in detail above.It answers herein
The principles of the present invention and embodiment are expounded with specific case, the explanation of above example is only intended to sides
Assistant solves the method and its core concept of the utility model.It should be pointed out that for those skilled in the art,
Without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, these improvement
It is also fallen into the protection scope of the utility model claims with modification.
Claims (9)
1. a kind of service braking system characterized by comprising
For provided for brake operating gas gas receiver, braking foot valve (9), automatically controlled on-off valve (14), normal open electric proportional valve
(15) and for ABS device relay valve of the gas to brake is conveyed；
The air inlet of braking foot valve (9) and the air inlet of the automatically controlled on-off valve (14) are all connected with the gas receiver, described
The gas outlet for braking foot valve (9) connects the first air inlet of the electric proportional valve (15), the outlet of the automatically controlled on-off valve (14)
Mouth connects the second air inlet of the electric proportional valve (15)；The gas outlet of the electric proportional valve (15) connects the control of the relay valve
The air inlet of interface processed, the relay valve connects the gas receiver；The automatically controlled on-off valve (14) is disconnected under MANUAL CONTROL mode
Open state, the automatically controlled on-off valve (14) is connected state under unmanned mode.
2. service braking system according to claim 1, which is characterized in that the gas receiver includes preceding bridge gas receiver (8)
With rear axle gas receiver (4), the relay valve includes for the relay valve of front axle (11) for preceding bridge ABS (12) gas supply and is rear axle
The rear axle relay valve (7) of ABS (6) gas supply；
The automatically controlled on-off valve (14) includes being connected to the automatically controlled on-off valve of preceding bridge of the preceding bridge gas receiver (8) and being connected to described
The rear axle electronically controlled on-off valve of rear axle gas receiver (4)；
The electric proportional valve (15) includes:
Preceding bridge electricity proportion magnetic valve is connected to the control interface of the preceding bridge automatically controlled on-off valve and the relay valve of front axle (11)
Between；
Rear axle electricity proportion magnetic valve；Its control interface for being connected to the rear axle electronically controlled on-off valve and the rear axle relay valve (7)
Between.
3. service braking system according to claim 2, which is characterized in that the number of the preceding bridge ABS (12) is two,
Its air inlet is all connected to the gas outlet of the relay valve of front axle (11)；
And/or the number of the rear axle ABS (6) is two, air inlet is all connected to the outlet of the rear axle relay valve (7)
Mouthful.
4. service braking system according to claim 3, which is characterized in that the number of axle relay valve (7) is two after described
A, control interface is all connected to the gas outlet of the rear axle electric proportional valve (15).
5. service braking system according to claim 3, which is characterized in that the gas outlet of the rear axle ABS (6) connects
At least two rear axle spring air chambers (5).
6. service braking system according to claim 1, which is characterized in that the braking foot valve (9) includes for distinguishing
Two disconnected ventilation chambers of bridge gas circuit and rear axle gas circuit before being connected.
7. service braking system according to claim 1, which is characterized in that the automatically controlled on-off valve (14) is connected to ECU
Controller, the ECU controller are connect with the input unit for controlling manual drive and the conversion of unmanned mode.
8. service braking system according to any one of claims 1 to 7, which is characterized in that the automatically controlled on-off valve (14)
Inlet-end manifold road, it is described braking foot valve (9) inlet-end manifold road, the gas receiver outlet side pipeline on be arranged it is useful
In the low pressure warning switch (13) of detection gas pressure, when the gas pressure is lower than default minimum, the low pressure alarming
Switch (13) alarm.
9. a kind of electric vehicle, including service braking system, which is characterized in that the service braking system is claim 1-8
Described in any item service braking systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058872.XU CN209410023U (en) | 2018-12-05 | 2018-12-05 | A kind of service braking system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058872.XU CN209410023U (en) | 2018-12-05 | 2018-12-05 | A kind of service braking system and electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN209410023U true CN209410023U (en) | 2019-09-20 |
Family
ID=67937136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822058872.XU Active CN209410023U (en) | 2018-12-05 | 2018-12-05 | A kind of service braking system and electric vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291900A (en) * | 2018-12-05 | 2019-02-01 | 安徽华菱汽车有限公司 | A kind of service braking system and electric vehicle |
| CN111086493A (en) * | 2020-02-28 | 2020-05-01 | 株洲华越轨道科技有限公司 | Air circuit braking system with automatic braking function |
-
2018
- 2018-12-05 CN CN201822058872.XU patent/CN209410023U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109291900A (en) * | 2018-12-05 | 2019-02-01 | 安徽华菱汽车有限公司 | A kind of service braking system and electric vehicle |
| CN111086493A (en) * | 2020-02-28 | 2020-05-01 | 株洲华越轨道科技有限公司 | Air circuit braking system with automatic braking function |
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