CN209126711U - The parking braking system and electric vehicle of electric vehicle - Google Patents
The parking braking system and electric vehicle of electric vehicle Download PDFInfo
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- CN209126711U CN209126711U CN201821668519.7U CN201821668519U CN209126711U CN 209126711 U CN209126711 U CN 209126711U CN 201821668519 U CN201821668519 U CN 201821668519U CN 209126711 U CN209126711 U CN 209126711U
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Abstract
The utility model discloses a kind of parking braking system of electric vehicle and electric vehicles, including electronics parking brake trigger assembly；Mechanical parking brake trigger assembly；Parking brake gas receiver is connected with hand-braking valve to storing compressed air；First solenoid valve is connected with hand-braking valve；Two-position three way magnetic valve is connected with parking brake gas receiver；Second solenoid valve is connected with two-position three way magnetic valve, and second solenoid valve is connected with the first solenoid valve；First differential relay valve is connected with parking brake gas receiver, and the first differential relay valve is connected with the first solenoid valve and second solenoid valve respectively, brake chamber after brake chamber and second after the first differential relay valve is communicated to first by quick release valve；Control module controls the first solenoid valve, second solenoid valve and two-position three way magnetic valve, to carry out parking braking；So that mechanical parking brake and electronic brake and deposit, meanwhile, so that service braking system and parking braking system are relatively independent, prevent arrestment mechanism from overloading.
Description
Technical field
The utility model relates to automobile brake technical field, in particular to the parking braking system and electricity of a kind of electric vehicle
Motor-car.
Background technique
In the parking braking system of existing electric vehicle, the mode for carrying out parking braking to electric vehicle can be divided into two
Kind, i.e., physical signal is obtained by hand brake system to judge whether to carry out parking braking to electric vehicle, or pass through electronic hand
It stops and obtains electric signal to judge whether to carry out parking braking to electric vehicle.
However, existing braking system is mostly selected in a manner of selecting one with mechanical parking brake or electronic brake
Mode carries out the parking braking of electric vehicle, and driver can not according to their needs or habit carries out the selection of mode of braking,
It is not smart enough.
Summary of the invention
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality
It is to propose a kind of parking braking system of electric vehicle with a novel purpose, enables to mechanical parking brake and electronics
Parking braking is simultaneously deposited, and then driver can carry out the selection of parking braking mode according to the habit of itself, meanwhile, by differential
Relay valve reduces the gas in parking brake gas receiver to the transmission time of rear brake chamber, so that service braking system and parking braking
System is relatively independent, prevents arrestment mechanism from overloading.
Second purpose of the utility model is to propose a kind of electric vehicle.
In order to achieve the above objectives, the utility model first aspect embodiment proposes a kind of parking braking system of electric vehicle
System, comprising: electronics parking brake trigger assembly；Mechanical parking brake trigger assembly；The parking brake of the corresponding mechanical parking brake trigger assembly setting
Brake valve；Parking brake gas receiver, the first port of the parking brake gas receiver are connected with the first port of the hand-braking valve, institute
Parking brake gas receiver is stated to storing compressed air；First solenoid valve, one end of first solenoid valve and the hand-braking valve
Second port be connected；Two-position three way magnetic valve, the air inlet of the two-position three way magnetic valve and the parking brake gas receiver
First port is connected；Second solenoid valve, the gas outlet phase of one end of the second solenoid valve and the two-position three way magnetic valve
Connection, the other end of the second solenoid valve are connected with the other end of first solenoid valve；First differential relay valve, it is described
The air inlet of first differential relay valve is connected with the second port of the parking brake gas receiver, and the of first differential relay valve
One control port is connected with the other end of the other end of first solenoid valve and the second solenoid valve respectively, and described first
Brake chamber after brake chamber and second after the gas outlet of differential relay valve is communicated to first by quick release valve；Control module, institute
It states control module to be connected with first solenoid valve, the second solenoid valve and the two-position three way magnetic valve respectively, the control
Molding block is when the electronics parking brake trigger assembly and/or the mechanical parking brake trigger assembly are triggered to first electromagnetism
Valve, the second solenoid valve and the two-position three way magnetic valve are controlled, to control institute by first differential relay valve
It states electric vehicle and carries out parking braking.
According to the parking braking system of the electric vehicle of the utility model embodiment, comprising: electronics parking brake trigger assembly；Machine
Tool parking brake trigger assembly；The hand-braking valve of corresponding machinery parking brake trigger assembly setting；Parking brake gas receiver, the of parking brake gas receiver
Single port is connected with the first port of hand-braking valve, and parking brake gas receiver is to storing compressed air；First solenoid valve, first
One end of solenoid valve is connected with the second port of hand-braking valve；Two-position three way magnetic valve, the air inlet of two-position three way magnetic valve
Mouth is connected with the first port of parking brake gas receiver；Second solenoid valve, one end of second solenoid valve and two-position three way magnetic valve
Gas outlet is connected, and the other end of second solenoid valve is connected with the other end of the first solenoid valve；First differential relay valve, first
The air inlet of differential relay valve is connected with the second port of parking brake gas receiver, the first control port point of the first differential relay valve
It is not connected with the other end of the other end of the first solenoid valve and second solenoid valve, the gas outlet of the first differential relay valve passes through fast
Put after valve is communicated to first brake chamber after brake chamber and second；Control module, control module respectively with the first solenoid valve,
Two solenoid valves are connected with two-position three way magnetic valve, and control module is in electronics parking brake trigger assembly and/or mechanical parking brake trigger assembly
The first solenoid valve, second solenoid valve and two-position three way magnetic valve are controlled when being triggered, to pass through the first differential relay valve
It controls electric vehicle and carries out parking braking；So that mechanical parking brake and electronic brake and depositing, and then driver can
Selection in such a way that the habit according to itself carries out parking braking, meanwhile, it is reduced in parking brake gas receiver by differential relay valve
The transmission time of gas to rear brake chamber prevents brake so that service braking system and parking braking system are relatively independent
Structure overload.
In addition, according to the utility model above-described embodiment propose electric vehicle parking braking system can also have as
Under additional technical characteristic:
Optionally, when the electronics parking brake trigger assembly and the mechanical parking brake trigger assembly are triggered, the control
Molding block controls first solenoid valve and the second solenoid valve is on state, and controls the two-position three-way electromagnetic
Valve is in close state so that the gas outlet of the two-position three way magnetic valve is connected with exhaust outlet, first differential relay valve
First control port is without control pressure, and the gas outlet of first differential relay valve is connected with exhaust outlet to be exhausted, with toilet
It states electric vehicle and carries out parking braking.
Optionally, when the electronics parking brake trigger assembly is triggered and the mechanical parking brake trigger assembly is not triggered,
The control module controls first solenoid valve and is in close state, and it is in the conductive state to control the second solenoid valve,
And the control two-position three way magnetic valve is in close state gas outlet and exhaust outlet so that the two-position three way magnetic valve
Conducting, the first control port of first differential relay valve without control pressure, the gas outlet of first differential relay valve with
Exhaust outlet conducting is exhausted, so that the electric vehicle carries out parking braking.
Optionally, when the mechanical parking brake trigger assembly is triggered and the electronics parking brake trigger assembly is not triggered,
It is in the conductive state that the control module controls first solenoid valve, and controls the second solenoid valve and be in close state,
And the control two-position three way magnetic valve is in close state gas outlet and exhaust outlet so that the two-position three way magnetic valve
Conducting, the first control port of first differential relay valve under the control of the hand-braking valve without control pressure, it is described
The gas outlet of first differential relay valve is connected with exhaust outlet to be exhausted, so that the electric vehicle carries out parking braking.
Optionally, the control module also the electronics parking brake trigger assembly and the mechanical parking brake trigger assembly not
When being triggered, controls first solenoid valve, the second solenoid valve and the two-position three way magnetic valve and is on state,
So that the first control port of first differential relay valve has a control pressure, the air inlet of first differential relay valve with go out
Port conducting is inflated, so that the electric vehicle releases parking braking.
Optionally, brake chamber is also communicated to the first port of the second differential relay valve after described first, after described second
Brake chamber is also communicated to the second port of second differential relay valve, and the third port of second differential relay valve is also divided
It is not communicated to rear gas receiver and service brake brake valve, it is differential that the 4th port of second differential relay valve is also communicated to described first
Second control port of relay valve, wherein the service brake brake valve corresponds to the brake pedal setting of the electric vehicle, when described
When electronics parking brake trigger assembly and/or the mechanical parking brake trigger assembly are triggered and the brake pedal is triggered, the foot
The conducting of braking valve, second control port have control pressure, and the air inlet of first differential relay valve is led with gas outlet
It is logical to be inflated, to cooperate the electric vehicle to carry out service brake, until the second control terminal of first differential relay valve
When mouth and the air pressure balance of gas outlet, the inlet close of first differential relay valve.
In order to achieve the above objectives, the utility model second aspect embodiment proposes a kind of electric vehicle, including above-mentioned
The parking braking system of electric vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the parking braking system of the electric vehicle of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the two-position three way magnetic valve of the utility model embodiment;
Fig. 3 is the structural schematic diagram according to the parking braking system of the electric vehicle of another embodiment of the utility model；
Fig. 4 is the structural schematic diagram according to the differential relay valve of the utility model embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the parking braking system of traditional electric car, mostly selected in a manner of selecting one with mechanical parking brake or electronics
The mode of parking braking carries out the parking braking of electric vehicle, and driver can not according to their needs or habit carries out braking side
The selection of formula, it is not smart enough；According to the parking braking system of the electric vehicle of the utility model embodiment, comprising: electronics parking brake
Trigger assembly；Mechanical parking brake trigger assembly；The hand-braking valve of corresponding machinery parking brake trigger assembly setting；Parking brake gas receiver, hand
The first port of brake gas receiver is connected with the first port of hand-braking valve, and parking brake gas receiver is to storing compressed air；The
One end of one solenoid valve, the first solenoid valve is connected with the second port of hand-braking valve；Two-position three way magnetic valve, two-position three way
The air inlet of solenoid valve is connected with the first port of parking brake gas receiver；Second solenoid valve, one end of second solenoid valve with two
The gas outlet of three-way magnetic valve is connected, and the other end of second solenoid valve is connected with the other end of the first solenoid valve；First is poor
Dynamic relay valve, the air inlet of the first differential relay valve are connected with the second port of parking brake gas receiver, the first differential relay valve
First control port is connected with the other end of the other end of the first solenoid valve and second solenoid valve respectively, the first differential relay valve
Gas outlet be communicated to first by quick release valve after brake chamber after brake chamber and second；Control module, control module difference
It is connected with the first solenoid valve, second solenoid valve and two-position three way magnetic valve, control module is in electronics parking brake trigger assembly and/or machine
Tool parking brake trigger assembly controls the first solenoid valve, second solenoid valve and two-position three way magnetic valve when being triggered, to pass through
First differential relay valve controls electric vehicle and carries out parking braking；So that mechanical parking brake and electronic brake are simultaneously
It deposits, and then driver can carry out the selection of parking braking mode according to the habit of itself, meanwhile, it is reduced by differential relay valve
Gas in parking brake gas receiver to rear brake chamber transmission time so that service braking system and parking braking system are relatively only
It is vertical, prevent arrestment mechanism from overloading.
In order to better understand the above technical scheme, the example of the utility model is more fully described below with reference to accompanying drawings
Property embodiment.Although showing the exemplary embodiment of the utility model in attached drawing, it being understood, however, that can be in a variety of manners
It realizes the utility model and should not be limited by the embodiments set forth herein.It is to be able to more on the contrary, providing these embodiments
Thoroughly understand the utility model, and the scope of the utility model can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Fig. 1 is the structural schematic diagram of the parking braking system of the electric vehicle proposed according to the utility model embodiment, such as
Shown in Fig. 1, the parking braking system of the electric vehicle includes: electronics parking brake trigger assembly (component is being not shown in the figure), machine
Tool parking brake trigger assembly 10, hand-braking valve 20, parking brake gas receiver 30, the first solenoid valve 40, two-position three way magnetic valve 50, second
Solenoid valve 60, the first differential relay valve 70 and control module (control module is being not shown in the figure).
Wherein, the set-up mode of electronics parking brake trigger assembly can there are many, for example, carrying out electricity in a manner of electronic button
The setting of sub- parking brake trigger assembly.
The corresponding mechanical parking brake trigger assembly 10 of hand-braking valve 20 is arranged, to pass through mechanical 10 exhalation of parking brake trigger assembly
It manages signal and controls hand-braking valve 20, to carry out parking braking to electric vehicle.
Parking brake gas receiver 30, the first port 31 of parking brake gas receiver are connected with the first port 21 of hand-braking valve,
In, parking brake gas receiver 30 is used for storing compressed air, the first port 31 of parking brake gas receiver and the first port of hand-braking valve
21 are connected, to provide compressed air by the first port 21 that the first port 31 of parking brake gas receiver is hand-braking valve.
First solenoid valve 40, one end of the first solenoid valve 40 are connected with the second port 22 of hand-braking valve；To lead to
The gas circuit crossed between the first solenoid valve 40 control hand-braking valve 20 and the first differential relay valve 70 opens and closes.
Two-position three way magnetic valve 50, the air inlet 51 of two-position three way magnetic valve are connected with the first port 31 of parking brake gas receiver
It is logical, compressed gas is obtained will pass through the first port 31 of parking brake gas receiver.
As an example, as shown in Fig. 2, two-position three way magnetic valve 50 includes tri- ports of P, A, T, wherein P is air inlet
Mouth, A are gas outlet, T is exhaust outlet, and when two-position three way magnetic valve is opened, compressed air flows to gas outlet A by air inlet P, row
Port T is closed；When two-position three way magnetic valve is closed, compressed air flows to exhaust outlet T by gas outlet A, and air inlet P is closed；?
In cold situation, the gas circuit of solenoid valve is in gas outlet A- exhaust outlet T.
Second solenoid valve 60, one end of second solenoid valve 60 are connected with the gas outlet 52 of two-position three way magnetic valve, and second
The other end of solenoid valve 60 is connected with the other end of the first solenoid valve 40；That is, one end of second solenoid valve 60 and two
The gas outlet 52 of position-3-way solenoid valve is connected, to obtain compressed air by the gas outlet 52 of two-position three way magnetic valve, meanwhile,
Second solenoid valve 60 and the first solenoid valve 40 are parallel relationship.
First differential relay valve 70, the air inlet 71 of the first differential relay valve are connected with the second port 32 of parking brake gas receiver
It is logical, compressed air is obtained will pass through the second port 32 of parking brake gas receiver；First control port 72 of the first differential relay valve
It is connected with the other end of the other end of the first solenoid valve 40 and second solenoid valve 60；That is the first solenoid valve 40 and second solenoid valve
50 is in parallel, and wherein one end of the first solenoid valve 40 and second solenoid valve 50 is connected into the first control terminal of the first differential relay valve
Mouth 72；Gas is braked after brake chamber 81 and second after the gas outlet 73 of first differential relay valve is communicated to first by quick release valve 80
Room 82；Will pass through, brake chamber 82 is provided after brake chamber 81 and second after the gas outlet 73 of the first differential relay valve is first
Compressed air accelerates the gas replenishment process of brake chamber, and lead to when braking is required with the loading line of brake chamber after shortening
It crosses quick release valve 80 and Quick air-discharge is carried out to brake chamber 82 after brake chamber 81 and second after first.
In some embodiments, when electronics parking brake trigger assembly and mechanical parking brake trigger assembly 10 are triggered, control
Module controls the first solenoid valve 40 and second solenoid valve 60 is on state, and controls two-position three way magnetic valve 50 and be in pass
Closed state is so that the gas outlet 61 of two-position three way magnetic valve and the conducting of exhaust outlet 53 of two-position three way magnetic valve, the first differential servo
First control port 72 of valve is without control pressure, the gas outlet 73 of the first differential relay valve and the exhaust outlet of the first differential relay valve
75 conductings are exhausted, so that electric vehicle carries out parking braking.
That is, when electronics parking brake trigger assembly issues deceleration of electrons instruction, and mechanical parking brake trigger assembly 10 issues
When mechanical braking instructs, control module controls the first solenoid valve 40 and second solenoid valve 60 and opens, then the first solenoid valve 40 and the
The gas circuit of two solenoid valves 60 is connected, i.e. the outlet of the first control port 72 and two position three-way valve solenoid valve of the first differential relay valve
Gas circuit conducting between mouthfuls 62, and the second port 22 of the first control port 72 of the first differential relay valve and hand-braking valve it
Between gas circuit conducting；Meanwhile control module control two-position three way magnetic valve 50 is in close state, then two-position three way magnetic valve
The conducting of the exhaust outlet 53 of gas outlet 61 and two-position three way magnetic valve is exhausted；It should be noted that when mechanical parking brake triggering group
When part 10 issues mechanical braking instruction, hand-braking valve 20 is in on-position, and hand-braking valve 20 is in exhaust under the state
State；In this way, when the conducting of the gas circuit of the first solenoid valve 40 and second solenoid valve 60, and two-position three way magnetic valve 50 is in and closes shape
When state, the first control port 72 of the first differential relay valve is without control pressure, the gas outlet 73 of the first differential relay valve and first
The conducting of exhaust outlet 75 of differential relay valve is exhausted, so that electric vehicle carries out parking braking.
In some embodiments, when electronics parking brake trigger assembly is triggered and mechanical parking brake trigger assembly 10 is not triggered
When, control module controls the first solenoid valve 40 and is in close state, and it is in the conductive state to control second solenoid valve 60, and controls
Two-position three way magnetic valve 50 processed is in close state gas outlet 61 and two-position three way magnetic valve so that two-position three way magnetic valve
Exhaust outlet 53 is connected, and the first control port 72 of the first differential relay valve is without control pressure, the gas outlet of the first differential relay valve
73 are exhausted with the conducting of the exhaust outlet 75 of the first differential relay valve, so that electric vehicle carries out parking braking.
That is, when electronics parking brake trigger assembly issues deceleration of electrons instruction, and mechanical parking brake trigger assembly 10 is not sent out
When mechanical braking instructs out, control module controls the first solenoid valve 40 and is in close state, and controls second solenoid valve 60 and be in
Open state, then the gas circuit of the first solenoid valve 40 is closed, and the gas circuit of second solenoid valve 60 is opened, in other words, the of hand-braking valve
Gas circuit between Two-port netwerk 22 and the first control port 72 of the first differential relay valve is closed, and compressed air can not be by parking brake system
Dynamic valve 20 reaches the first control port 72 of the first differential relay valve, the first control port 72 of the first differential relay valve and two
Gas circuit conducting between the gas outlet 52 of three-way magnetic valve；Meanwhile control module also controls two-position three way magnetic valve 50 and is in pass
Closed state, the then exhaust outlet 53 of the gas outlet 61 of two-position three way magnetic valve and two-position three way magnetic valve conducting are exhausted, at this point,
First control port 72 of the first differential relay valve without control pressure, the gas outlet 73 of the first differential relay valve and first it is differential after
The conducting of exhaust outlet 75 of dynamic valve is exhausted, so that electric vehicle carries out parking braking.
In some embodiments, when mechanical parking brake trigger assembly 10 is triggered and electronics parking brake trigger assembly is not triggered
When, it is in the conductive state that control module controls the first solenoid valve 40, and controls second solenoid valve 60 and be in close state, and control
Two-position three way magnetic valve 50 processed is in close state gas outlet 52 and two-position three way magnetic valve so that two-position three way magnetic valve
Exhaust outlet 53 is connected, the first control port 72 of the first differential relay valve under the control of hand-braking valve 20 without control pressure,
The conducting of exhaust outlet 75 of the gas outlet 73 of first differential relay valve and the first differential relay valve is exhausted, so as to electric vehicle into
Row parking braking.
That is, when mechanical parking brake trigger assembly 10 issues mechanical braking instruction, and electronics parking brake trigger assembly is not sent out
When deceleration of electrons instructs out, it is in the conductive state that control module controls the first solenoid valve 40, and controls second solenoid valve 60 and be in
Closed state, then the gas circuit conducting of the first solenoid valve 40, the gas circuit of second solenoid valve 60 are closed；In other words, the of hand-braking valve
Gas circuit between Two-port netwerk 22 and the first control port 72 of the first differential relay valve is connected, the first control of the first differential relay valve
Gas circuit between port 72 processed and the gas outlet 52 of two-position three way magnetic valve is closed, and compressed air can not pass through two-position three-way electromagnetic
The gas outlet 52 of valve reaches the first control port 72 of the first differential relay valve；Meanwhile control module controls two-position three-way electromagnetic
Valve 50 is in close state, then the exhaust outlet 53 of the gas outlet 61 of two-position three way magnetic valve and two-position three way magnetic valve conducting carries out
Exhaust, in this way, when the gas circuit conducting of the first solenoid valve 40, the gas circuit of second solenoid valve 60 are closed and at two-position three way magnetic valve 50
When closed state, since hand-braking valve 20 is in braking shape when mechanical parking brake trigger assembly 10 issues mechanical braking instruction
State, then the first control port 72 of the first differential relay valve is under the control of hand-braking valve without control pressure, the first differential system
The gas outlet 83 of dynamic valve and the conducting of exhaust outlet 75 of the first differential relay valve are exhausted, so that electric vehicle carries out parking system
It is dynamic.
In some embodiments, control module also electronics parking brake trigger assembly and mechanical parking brake trigger assembly 10 not by
When triggering, the first solenoid valve 40 of control, second solenoid valve 60 and two-position three way magnetic valve 50 are on state, so that first
First control port 72 of differential relay valve has control pressure, the air inlet 71 and the first differential relay valve of the first differential relay valve
Gas outlet 73 conducting be inflated, so as to electric vehicle release parking braking.
That is, when electronics parking brake trigger assembly and mechanical parking brake trigger assembly 10 are not triggered, control module
It controls the first solenoid valve 40, second solenoid valve 60 and two-position three way magnetic valve 50 and is on state, then hand-braking valve
Gas circuit between second port 22 and the first control port 72 of the first differential relay valve is connected, and the first of the first differential relay valve
Gas circuit between control port 72 and the gas outlet 52 of two-position three way magnetic valve is connected, the first control terminal of the first differential relay valve
Mouth 72 has control pressure, and the conducting of gas outlet 52 of the air inlet 51 and two-position three way magnetic valve of two-position three way magnetic valve is filled
Gas, so that electric vehicle releases parking braking.
As shown in figure 3, in some embodiments, brake chamber 81 is also communicated to the first of the second differential relay valve after first
Port 91, brake chamber 82 is also communicated to the second port 92 of the second differential relay valve after second, and the of the second differential relay valve
Three ports 93 are also respectively communicated with rear gas receiver 83 and service brake brake valve 84, and the 4th port 94 of the second differential relay valve is also connected to
To the second control port 74 of the first differential relay valve, wherein the brake pedal setting of the corresponding electric vehicle of service brake brake valve 84,
When electronics parking brake trigger assembly and/or mechanical parking brake trigger assembly 10 are triggered and brake pedal is triggered, service brake brake valve
84 conductings, the second control port 74 of the first differential relay valve have a control pressure, the air inlet 71 of the first differential relay valve and the
One differential relay valve gas outlet 73 conducting be inflated, with cooperate electric vehicle carry out service brake, until first it is differential after
When the air pressure balance of the gas outlet 73 of the second control port 74 and the first differential relay valve of dynamic valve, the first differential relay valve into
Port 71 is closed.
That is, brake chamber 81 is also communicated to the first port 91 of the second differential relay valve after first, made after second
Room 82 of taking offence also is communicated to the second port 92 of the second differential relay valve, and the third port 93 of the second differential relay valve also connects respectively
Rear gas receiver 83 and service brake brake valve 84 are led to, will pass through 81 He of brake chamber after 90 pairs of the second differential relay valve controls first
Brake chamber 82 carries out service brake to electric vehicle after second, and the 4th port 94 of the second differential relay valve is also communicated to first
Second control port 74 of differential relay valve, wherein electronics is worked as in the brake pedal setting of the corresponding electric vehicle of service brake brake valve 84
When parking brake trigger assembly and/or mechanical parking brake trigger assembly 10 are triggered and brake pedal is triggered, service brake brake valve 84 is led
Logical, the second control port 74 of the first differential relay valve has control pressure, and the air inlet 71 and first of the first differential relay valve is poor
The conducting of gas outlet 73 of dynamic relay valve is inflated, to cooperate electric vehicle to carry out service brake, in other words, when electronics parking brake triggers
Any component, which is triggered or both, in component, mechanical parking brake trigger assembly 10 is concurrently triggered, and brake pedal is triggered
When, while carrying out service brake to electric vehicle by the second differential relay valve 90, service brake brake valve 84 is connected so that first
Second control port 74 of differential relay valve has control pressure, then the air inlet 71 of the first differential relay valve and the first differential servo
The conducting of gas outlet 73 of valve is inflated, and to cooperate the second differential relay valve 90 to carry out service brake to electric vehicle, prevents from braking
Mechanism overload；Wherein, when the gas of the second control port 74 of the first differential relay valve and the gas outlet 73 of the first differential relay valve
When flattening weighing apparatus, the air inlet 71 of the first differential relay valve is closed.
As an example, as shown in figure 4, the port of the first differential relay valve 70 includes the air inlet of the first differential relay valve
Mouthful the first control port 72 of the 71, first differential relay valve, the gas outlet 73 of the first differential relay valve, the first differential relay valve
The exhaust outlet 75 of second control port 74 and the first differential relay valve；Wherein, the air inlet 71 and parking brake of the first differential relay valve
The second port 32 of gas receiver is connected, and obtains compressed air will pass through the second port 32 of parking brake gas receiver；First is differential
First control port 72 of relay valve is connected with the other end of the other end of the first solenoid valve 40 and second solenoid valve 60 respectively；
Brake chamber 82 after brake chamber 81 and second after the gas outlet 73 of first differential relay valve is communicated to first by quick release valve 80；
Second control port 74 of the first differential relay valve is connected to the 4th port 94 of the second differential relay valve；Wherein, work as electronic hand
When brake trigger assembly or mechanical parking brake trigger assembly 10 are not opened, the first control port 72 of the first differential relay valve has control gas
The exhaust outlet 75 of pressure, the first differential relay valve is closed, the air inlet 71 of the first differential relay valve and going out for the first differential relay valve
The conducting of port 73 is inflated, so that electric vehicle releases on-position；When electronics parking brake trigger assembly or mechanical parking brake triggering
Component 10 is opened, and the first control port 72 of the first differential relay valve is without control pressure, the air inlet 71 of the first differential relay valve
Closure, the gas outlet 73 of the first differential relay valve and the conducting of exhaust outlet 75 of the first differential relay valve are exhausted, to electronic
Vehicle carries out parking braking；When electronics parking brake trigger assembly and/or mechanical 10 unlatching of parking brake trigger assembly, and brake pedal is touched
When hair, service brake brake valve 84 is connected, and the second control port 74 of the first differential relay valve has control pressure, the first differential relay valve
Exhaust outlet 75 be closed, the conducting of gas outlet 73 of the air inlet 71 of the first differential relay valve and the first differential relay valve is filled
Gas prevents arrestment mechanism from overloading to cooperate electric vehicle to carry out service brake, wherein when the second control of the first differential relay valve
When the air pressure balance of port 74 processed and the gas outlet 73 of the first differential relay valve, the air inlet 71 of the first differential relay valve is closed.
Control module, control module respectively with 50 phase of the first solenoid valve 40, second solenoid valve 60 and two-position three way magnetic valve
Even, control module is when electronics parking brake trigger assembly and/or mechanical parking brake trigger assembly 10 are triggered to the first solenoid valve 40, the
Two solenoid valves 60 and two-position three way magnetic valve 50 are controlled, and are stayed with controlling electric vehicle by the first differential relay valve 70
Vehicle braking.
In conclusion the parking braking system of the electric vehicle proposed according to the utility model embodiment, comprising: electronic hand
Brake trigger assembly；Mechanical parking brake trigger assembly；The hand-braking valve of corresponding machinery parking brake trigger assembly setting；Parking brake gas receiver,
The first port of parking brake gas receiver is connected with the first port of hand-braking valve, and parking brake gas receiver is to storing compressed air；
One end of first solenoid valve, the first solenoid valve is connected with the second port of hand-braking valve；Two-position three way magnetic valve, two three
The air inlet of three-way electromagnetic valve is connected with the first port of parking brake gas receiver；Second solenoid valve, one end of second solenoid valve and two
The gas outlet of position-3-way solenoid valve is connected, and the other end of second solenoid valve is connected with the other end of the first solenoid valve；First
The air inlet of differential relay valve, the first differential relay valve is connected with the second port of parking brake gas receiver, the first differential relay valve
The first control port be connected respectively with the other end of the other end of the first solenoid valve and second solenoid valve, the first differential servo
Brake chamber after brake chamber and second after the gas outlet of valve is communicated to first by quick release valve；Control module, control module point
Be not connected with the first solenoid valve, second solenoid valve and two-position three way magnetic valve, control module in electronics parking brake trigger assembly and/or
Mechanical parking brake trigger assembly controls the first solenoid valve, second solenoid valve and two-position three way magnetic valve when being triggered, with logical
It crosses the first differential relay valve control electric vehicle and carries out parking braking；So that mechanical parking brake and electronic brake are simultaneously
It deposits, and then driver can carry out the selection of parking braking mode according to the habit of itself, meanwhile, it is reduced by differential relay valve
Gas in parking brake gas receiver to rear brake chamber transmission time so that service braking system and parking braking system are relatively only
It is vertical, prevent arrestment mechanism from overloading.
In order to realize above-described embodiment, the utility model embodiment proposes a kind of electric vehicle, including above-mentioned electronic
The parking braking system of vehicle.
It should be understood by those skilled in the art that, the embodiments of the present invention can provide as method, system or computer
Program product.Therefore, the utility model can be used complete hardware embodiment, complete software embodiment or combine software and hardware
The form of the embodiment of aspect.Moreover, it wherein includes computer available programs that the utility model, which can be used in one or more,
Implement in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of computer program product.
The utility model is produced referring to according to the method, equipment (system) and computer program of the utility model embodiment
The flowchart and/or the block diagrams of product describes.It should be understood that can be realized by computer program instructions in flowchart and/or the block diagram
Each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these meters
Calculation machine program instruction is to the place of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
Device is managed to generate a machine, so that producing by the instruction that computer or the processor of other programmable data processing devices execute
Life is for realizing the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The utility model can be by means of including several difference portions
It the hardware of part and is realized by means of properly programmed computer.In the unit claims listing several devices, this
Several in devices, which can be, a bit is embodied by the same item of hardware.Word first, second, and third makes
With not indicating any sequence.These words can be construed to title.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic
Creative concept, then additional changes and modifications may be made to these embodiments.It is wrapped so the following claims are intended to be interpreted as
It includes preferred embodiment and falls into all change and modification of the scope of the utility model.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more of the features.In the utility model
In description, the meaning of " plurality " is two or more, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating, which should not be construed as, must be directed to identical embodiment or example.Moreover, description specific features, structure, material or
Feature may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, in not conflicting situation
Under, those skilled in the art can be by different embodiments or examples described in this specification and different embodiments or examples
Feature be combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of parking braking system of electric vehicle characterized by comprising
Electronics parking brake trigger assembly；
Mechanical parking brake trigger assembly；
The hand-braking valve of the corresponding mechanical parking brake trigger assembly setting；
Parking brake gas receiver, the first port of the parking brake gas receiver is connected with the first port of the hand-braking valve, described
Parking brake gas receiver is to storing compressed air；
First solenoid valve, one end of first solenoid valve are connected with the second port of the hand-braking valve；
Two-position three way magnetic valve, the air inlet of the two-position three way magnetic valve are connected with the first port of the parking brake gas receiver
It is logical；
Second solenoid valve, one end of the second solenoid valve are connected with the gas outlet of the two-position three way magnetic valve, and described
The other end of two solenoid valves is connected with the other end of first solenoid valve；
First differential relay valve, the air inlet of first differential relay valve are connected with the second port of the parking brake gas receiver
It is logical, the first control port of first differential relay valve respectively with the other end of first solenoid valve and second electromagnetism
The other end of valve is connected, brake chamber and after the gas outlet of first differential relay valve is communicated to first by quick release valve
Brake chamber after two；
Control module, the control module are electric with first solenoid valve, the second solenoid valve and the two-position three way respectively
Magnet valve is connected, and the control module is when the electronics parking brake trigger assembly and/or the mechanical parking brake trigger assembly are triggered
First solenoid valve, the second solenoid valve and the two-position three way magnetic valve are controlled, with poor by described first
Dynamic relay valve controls the electric vehicle and carries out parking braking.
2. the parking braking system of electric vehicle as described in claim 1, which is characterized in that when the electronics parking brake triggering group
When part and the mechanical parking brake trigger assembly are triggered, the control module controls first solenoid valve and second electricity
Magnet valve is on state, and controls the two-position three way magnetic valve and be in close state so that the two-position three way magnetic valve
Gas outlet be connected with exhaust outlet, the first control port of first differential relay valve is differential without control pressure, described first
The gas outlet of relay valve is connected with exhaust outlet to be exhausted, so that the electric vehicle carries out parking braking.
3. the parking braking system of electric vehicle as described in claim 1, which is characterized in that when the electronics parking brake triggering group
When part is triggered and the mechanical parking brake trigger assembly is not triggered, the control module controls first solenoid valve and is in pass
Closed state, and it is in the conductive state to control the second solenoid valve, and the control two-position three way magnetic valve is in closing shape
State is so that the gas outlet of the two-position three way magnetic valve is connected with exhaust outlet, the first control port of first differential relay valve
Without control pressure, the gas outlet of first differential relay valve is connected with exhaust outlet to be exhausted, so as to the electric vehicle into
Row parking braking.
4. the parking braking system of electric vehicle as described in claim 1, which is characterized in that when the mechanical parking brake triggering group
When part is triggered and the electronics parking brake trigger assembly is not triggered, the control module control first solenoid valve, which is in, is led
Logical state, and control the second solenoid valve and be in close state, and the control two-position three way magnetic valve is in and closes shape
State is so that the gas outlet of the two-position three way magnetic valve is connected with exhaust outlet, the first control port of first differential relay valve
Without control pressure under the control of the hand-braking valve, progress is connected with exhaust outlet for the gas outlet of first differential relay valve
Exhaust, so that the electric vehicle carries out parking braking.
5. the parking braking system of electric vehicle as described in claim 1, which is characterized in that the control module is also described
When electronics parking brake trigger assembly and the mechanical parking brake trigger assembly are not triggered, first solenoid valve, described the are controlled
Two solenoid valves and the two-position three way magnetic valve are on state, so that the first control terminal of first differential relay valve
Mouth has control pressure, and the air inlet of first differential relay valve is connected with gas outlet to be inflated, so as to the electric vehicle
Release parking braking.
6. the parking braking system of electric vehicle according to any one of claims 1 to 5, which is characterized in that after described first
Brake chamber is also communicated to the first port of the second differential relay valve, and it is poor to be also communicated to described second for brake chamber after described second
The second port of dynamic relay valve, the third port of second differential relay valve are also respectively communicated with rear gas receiver and service brake braking
4th port of valve, second differential relay valve is also communicated to the second control port of first differential relay valve, wherein
The service brake brake valve corresponds to the brake pedal setting of the electric vehicle, when the electronics parking brake trigger assembly and/or described
When mechanical parking brake trigger assembly is triggered and the brake pedal is triggered, the service brake brake valve conducting, second control
There is control pressure in port, and the air inlet of first differential relay valve is connected with gas outlet to be inflated, described electronic to cooperate
Vehicle carries out service brake, until when the air pressure balance of the second control port of first differential relay valve and gas outlet, institute
State the inlet close of the first differential relay valve.
7. a kind of electric vehicle, which is characterized in that the parking system including electric vehicle such as of any of claims 1-6
Dynamic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668519.7U CN209126711U (en) | 2018-10-15 | 2018-10-15 | The parking braking system and electric vehicle of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821668519.7U CN209126711U (en) | 2018-10-15 | 2018-10-15 | The parking braking system and electric vehicle of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN209126711U true CN209126711U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821668519.7U Active CN209126711U (en) | 2018-10-15 | 2018-10-15 | The parking braking system and electric vehicle of electric vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532795A (en) * | 2018-10-15 | 2019-03-29 | 厦门金龙汽车新能源科技有限公司 | Parking braking system, electric vehicle and the control method of electric vehicle |
| CN111284466A (en) * | 2020-04-03 | 2020-06-16 | 三一智矿科技有限公司 | Electric control brake system and unmanned wide-body vehicle |
| CN111717157A (en) * | 2020-07-23 | 2020-09-29 | 瑞立集团瑞安汽车零部件有限公司 | Trailer anti-theft system and anti-theft method |
-
2018
- 2018-10-15 CN CN201821668519.7U patent/CN209126711U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532795A (en) * | 2018-10-15 | 2019-03-29 | 厦门金龙汽车新能源科技有限公司 | Parking braking system, electric vehicle and the control method of electric vehicle |
| CN109532795B (en) * | 2018-10-15 | 2023-12-26 | 厦门金龙汽车新能源科技有限公司 | Parking brake system of electric vehicle, electric vehicle and control method |
| CN111284466A (en) * | 2020-04-03 | 2020-06-16 | 三一智矿科技有限公司 | Electric control brake system and unmanned wide-body vehicle |
| CN111717157A (en) * | 2020-07-23 | 2020-09-29 | 瑞立集团瑞安汽车零部件有限公司 | Trailer anti-theft system and anti-theft method |
| CN111717157B (en) * | 2020-07-23 | 2024-03-22 | 瑞立集团瑞安汽车零部件有限公司 | Trailer anti-theft system and anti-theft method |
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