CN208036251U - A kind of electronic parking valve of proportional output - Google Patents
A kind of electronic parking valve of proportional output Download PDFInfo
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- CN208036251U CN208036251U CN201820018971.2U CN201820018971U CN208036251U CN 208036251 U CN208036251 U CN 208036251U CN 201820018971 U CN201820018971 U CN 201820018971U CN 208036251 U CN208036251 U CN 208036251U
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- valve body
- piston
- sealing ring
- electronic parking
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Abstract
A kind of electronic parking valve of proportional output, it includes valve body, the valve body central lower is equipped with air intake valve, proportion magnetic valve is connected above the air intake valve, valve seat is housed in the valve body on the left of the air intake valve, nonreturn valve core is housed below the valve seat, the second air inlet is constituted between the nonreturn valve core and the valve seat, the second delivery outlet is constituted between the outside of the nonreturn valve core and the lateral through aperture of the valve seat, E chambers are constituted between the nonreturn valve core lower part and the valve body and the air intake valve, it include piston in valve body on the right side of the air intake valve, exhaust outlet is arranged in valve body below piston, valve body below the piston includes the first delivery outlet, body portion on the right side of first delivery outlet further includes the first air inlet, valve body above the piston connects solenoid valve A and solenoid valve B.The parking valve, which is loosened the brake, can also keep dead ship condition, and great brake pressure is needed to be grasped by driver, avoid excessive air consumption as far as possible.
Description
Technical field
This patent is related to commercial vehicle pneumatic brake electronic parking system, in particular to a kind of commercial car braking electronics
Parking valve.
Background technology
The parking system of domestic commercial vehicle is all the hand brake valve of the machinery used at present, mainly passes through hand brake valve
Realize parking, release, product is simple, but has a single function, and is not suitable with that present commercial car is intelligent, development of automation becomes
Gesture.This item purpose electronic parking valve is applied to commercial vehicle pneumatic brake electronic parking system, that is, EPB, and effect is parking braking and answers
The executing agency suddenly braked, in addition to replacing traditional hand brake valve, moreover it is possible to it is controlled by ECU and realizes temporary parking function, work(of meeting an urgent need
Can, release function of starting to walk, stop working control and uphill starting miscellaneous function etc..
It is that domestic commercial vehicle is intelligent, the development of automation gives a favor, and this patent purpose is to carry to comply with market
For a kind of executing agency of electronic parking system, it can realize and realize the memory function of parking, release with electronic control；Stop temporarily
Vehicle function；And realize bilateral one-way function to be used in combination with service brake.
Application No. is 201010238129.8 Chinese invention patents to disclose a kind of air-pressure type electronic parking braking system
And braking method comprising gas receiver, parking switch, hand braking gas chamber, by air pipe between gas receiver and hand braking gas chamber
Connection, it further includes air-pressure type electronic parking valve, parking braking controller, and air-pressure type electronic parking valve is connected to gas receiver and hand
Between brake chamber, parking braking controller is connected between parking switch and air-pressure type electronic parking valve.The present invention provides
Air-pressure type electronic parking braking system it is simple in structure, it is easily manufactured, at low cost, can realize that parking braking automatically controls.It is based on
The braking method of the braking system, it is easy to operate, control is accurate, safe and reliable, but its function not smart enoughization.
Utility model content
The electronic parking valve of proportional output described in the utility model may be implemented ratio and export, and memory function
The structure of realization is entirely different with the prior art using structure in the form of piston.
The utility model first aspect provides a kind of electronic parking valve of proportional output comprising valve body, in the valve body
Heart lower part is equipped with air intake valve, and proportion magnetic valve is connected above the air intake valve, is equipped in the valve body on the left of the air intake valve
Valve seat, valve seat lower section are equipped with nonreturn valve core, the second air inlet, the check valve are constituted between the nonreturn valve core and the valve seat
The second delivery outlet, the nonreturn valve core lower part and the valve body and institute are constituted between the outside of core and the lateral through aperture of the valve seat
It states and constitutes E chambers between air intake valve, include piston in the valve body on the right side of the air intake valve, the valve body setting exhaust below piston
Mouthful, the valve body below the piston includes the first delivery outlet, and the body portion on the right side of first delivery outlet further includes the first air inlet
Mouthful, the valve body above the piston connects solenoid valve A and solenoid valve B, between the solenoid valve A and solenoid valve B and the valve body
C chambers are constituted, B chambers, the valve body right end connection end cap, the piston and institute are constituted between the valve body on the left of the piston
It states and constitutes A chambers between end cap, the body top connects valve deck, includes plug on the outside of the valve deck, to connect power supply, the valve
External side further includes third air inlet, which can be connected to the air intake valve.
The central axis upright of the third air inlet is in the central axis of the valve body.
The structure of the C chambers is class cross.
It include mandril in the air intake valve.
Drain tap is set above the mandril, which is located at the lower part of the proportion magnetic valve.
Sealing ring I, sealing ring II, sealing ring III and sealing ring IV are set between the piston upper surface and the valve body.
In any of the above-described scheme preferably, the right part of the sealing ring III and the sealing ring IV and described
First air inlet is constituted between valve body.
In any of the above-described scheme preferably, the left part of the sealing ring III and the sealing ring I and the valve
First delivery outlet is constituted between body.
In any of the above-described scheme preferably, the central axis of the exhaust outlet is located at the sealing ring I and described close
Between seal II.
It is further preferred that the piston both sides do not install back a device.
The valve port of the solenoid valve A is when solenoid valve A is powered, with the A chambers unicom.
The valve port of the solenoid valve B is located in the valve body and when solenoid valve B is powered and the B chambers unicom.
The operation principle of electronic parking valve for the proportional output that the utility model first aspect provides is：
The electronic parking valve of the proportional output has at least three air inlets, two delivery outlets, an exhaust outlet.
When driving, the first air inlet is supplied from parking pipeline, while entering C chambers, gives the solenoid valve valve of solenoid valve A and B
Confession gas is attracted corresponding dynamic iron core uplink when solenoid valve A is powered, at this point, the pressure of the first air inlet can be arrived through valve port
Up to the right A chambers of piston, piston is pushed to move to right so that the air pressure of air inlet enters the first delivery outlet.Solenoid valve A only needs to be powered
Short time is once, you can delivery outlet one can be made because piston has no return spring or any returning place force by restoring off-position
It is straight to keep output, it avoids influencing caused by normal open electricity.
When needing parking, solenoid valve B is powered, the air pressure of the first air inlet at this time can reach a left side for piston through valve port
Side B chambers push piston to the right, and the air pressure of the first delivery outlet at this time will be arranged by exhaust outlet to air.Equally, at this point, electromagnetism
Valve B only needs to be powered primary, you can power-off, and piston can be maintained at current state, that is, exhaust condition will not be because of power-off
And change.
I.e. driving and the switching of parked state only need to carry out solenoid valve into the energization of short time, you can are maintained at previous
A action state.Achieve the effect that a memory.
When carrying out service brake, the second air inlet enters the second output from the delivery outlet of main valve by double-way check valve
Mouthful, carry out service brake.Third air inlet takes gas to input from driving pipeline, and when temporary parking, proportion magnetic valve is pressed electric current
It is powered from small to large, corresponding iron core can push drain tap, and drain tap is closed, and mandril is pushed so that third
The air pressure of air inlet enters E chambers from air intake valve, enters the second delivery outlet through double-way check valve.The size of electric current and delivery outlet
The proportional relationship of air pressure.Reach to loosen the brake and can also keep dead ship condition function, and need great brake pressure by
Driver grasps, and avoids excessive air consumption as far as possible.
The utility model second aspect provides a kind of control method of the electronic parking valve of proportional output comprising：
When driving：
A. it is supplied for the first air inlet by parking pipeline, the gas into the first air inlet enters C chambers across the piston；
B. it gives the solenoid valve valve port of solenoid valve A and B to supply, when solenoid valve A is powered, is attracted in corresponding dynamic iron core
Row, at this point, the gas of the first air inlet reaches the A chambers of piston right via the valve port of C chambers and solenoid valve A, to push work
Plug moves to right so that the gas of the first air inlet enters the first delivery outlet；
C. solenoid valve A, which is powered, is no more than three seconds, then restores off-position, because piston has no return spring or any
Returning place force, thus, first delivery outlet is always maintained at the state of output gas, and brief energization powers off again, avoids for a long time
Overheat caused by energization.
When parking:
D. solenoid valve B is powered, valve port of the gas of the first air inlet through solenoid valve B reaches the left side B of piston at this time
Chamber pushes piston to the right, and the gas of the first delivery outlet will be arranged by exhaust outlet to air at this time.
E. solenoid valve B is powered three seconds (brief energization), then powers off, and piston is maintained at the state before power-off, that is,
Exhaust condition will not change because of power-off.
I.e. driving and the switching of parked state only need to carry out solenoid valve into the energization of short time, you can are maintained at previous
A action state.Achieve the effect that a memory.
When service brake：
F. gas enters the second delivery outlet from the second air inlet by the nonreturn valve core, carries out service brake.
When temporary parking：
G. third air inlet takes gas to input from driving pipeline, and proportion magnetic valve is powered from small to large by electric current, corresponding
The iron core of solenoid valve A or solenoid valve B can push drain tap, drain tap be closed, and mandril is pushed so that third into
The air pressure of gas port enters E chambers from air intake valve, then enters the second delivery outlet through nonreturn valve core；
H. the size relationship proportional to the air pressure of the second delivery outlet for passing through the electric current of solenoid valve A and solenoid valve B, reaches pine
Dead ship condition function can also be kept by opening brake pedal, and great brake pressure is needed to be grasped by driver, be kept away as far as possible
Excessive air consumption is exempted from.
Description of the drawings
Fig. 1 is an a kind of preferred embodiment of the electronic parking valve for proportional output that the utility model first aspect provides
Cross-sectional view；
Fig. 2 is the cross-sectional view of the other direction of embodiment illustrated in fig. 1；
Numeral mark is meant that in Fig. 1-Fig. 2：
1 proportion magnetic valve, 2 valve deck, 34 second air inlet of valve seat, 5 nonreturn valve core
6 second 9 mandril of delivery outlet 7E 8 drain taps of chamber, 10 air intake valve
11 B chambers, 12 exhaust outlet, 13 first 14 first air inlet of delivery outlet, 15 A chambers
16 piston, 17 sealing ring, 18 C chambers, 19 solenoid valve A, 20 solenoid valve B
21 plug, 22 third air inlet.
Specific implementation mode
Embodiment 1.1:A kind of electronic parking valve of proportional output comprising valve body, the valve body central lower be equipped with into
Air valve 10,10 top of air intake valve connect proportion magnetic valve 1, valve seat 3, the valve are housed in the valve body in 10 left side of air intake valve
3 lower section of seat is equipped with nonreturn valve core 5, constitutes the second air inlet 4 between the nonreturn valve core 5 and valve seat 3, the outside of nonreturn valve core 5 with
The second delivery outlet 6, structure between 5 lower part of nonreturn valve core and the valve body and air intake valve 10 are constituted between the lateral through aperture of valve seat 3
At E chambers 7, the interior valve body on 10 right side of air intake valve includes piston 16, the valve body setting exhaust outlet 12 below piston 16, under piston 16
The valve body of side includes the first delivery outlet 13, and the body portion on 13 right side of the first delivery outlet further includes the first air inlet 14, piston
The valve body connection solenoid valve A 19 and solenoid valve B 20 of 16 tops, structure between solenoid valve A 19 and solenoid valve B 20 and the valve body
At C chambers 18, B chambers 11, the valve body right end connection end cap, piston 16 and the end are constituted between 16 left side of piston and the valve body
A chambers 15 are constituted between lid, the body top connects valve deck, includes plug 21 on the outside of the valve deck, to connect power supply, the valve
External side further includes third air inlet, which can be connected to air intake valve 10.
The central axis upright of third air inlet 22 is in the central axis of the valve body.
The structure of C chambers 18 is class cross.
It include mandril 9 in air intake valve 10.
Drain tap 8 is arranged in 9 top of mandril, which is located at the lower part of proportion magnetic valve 1.
Sealing ring I, sealing ring II, sealing ring III and sealing ring IV are set between 16 upper surface of piston and the valve body.
First air inlet 14 is constituted between the right part of sealing ring III and the sealing ring IV and the valve body.
First delivery outlet 13 is constituted between the left part of sealing ring III and the sealing ring I and the valve body.
The central axis of exhaust outlet 12 is between the sealing ring I and the sealing ring II.
16 both sides of piston do not install back a device.
The valve port of solenoid valve A 19 is when solenoid valve A19 is powered, with 15 unicom of A chambers.
The valve port of solenoid valve B 20 is located in the valve body and when solenoid valve B 20 is powered and 11 unicom of B chambers.
The operation principle of the electronic parking valve of proportional output described in above-described embodiment is：
There are three air inlet, two delivery outlets, an exhaust outlets for the electronic parking valve of the proportional output.
When driving, the first air inlet 14 is supplied from parking pipeline, while entering C chambers 18, gives solenoid valve A 19 and solenoid valve
The solenoid valve valve port of B 20 supplies, and when solenoid valve A 19 is powered, corresponding dynamic iron core uplink is attracted, at this point, the first air inlet
The pressure of mouth 14 can reach the right A chambers 15 of piston 16 through valve port, and piston 16 is pushed to move to right so that the air pressure of air inlet enters
First delivery outlet 13.Solenoid valve A 19 only need be powered three seconds, you can restore off-position, because piston 16 have no return spring or
It is any returning place force, delivery outlet can be made to be always maintained at output, avoids influencing caused by normal open electricity.It, will when needing parking
Solenoid valve B 20 is powered, and the air pressure of the first air inlet 14 at this time can reach the left side B chambers 11 of piston 16 through valve port, by piston
16 push the right to, and the air pressure of the first delivery outlet 14 at this time will be arranged by exhaust outlet to air.Equally, at this point, solenoid valve B 20
It needs to be powered primary, you can power-off, and piston 16 can be maintained at current state, that is, exhaust condition will not change because of power-off
Become.
I.e. driving and the switching of parked state only need to carry out solenoid valve into the energization of short time, you can are maintained at previous
A action state.Achieve the effect that a memory.
When carrying out service brake, the second air inlet 4 enters the second output from the delivery outlet of main valve by double-way check valve
Mouth 6 carries out service brake.Third air inlet 22 takes gas to input from driving pipeline, and when temporary parking, proportion magnetic valve 1 is pressed
Electric current is powered from small to large, and corresponding iron core can push drain tap, and drain tap is closed, and mandril is pushed so that
The air pressure of third air inlet 22 enters E chambers 7 from air intake valve, enters the second delivery outlet 6 through double-way check valve.The size of electric current with
The proportional relationship of air pressure of delivery outlet.Reach to loosen the brake and can also keep dead ship condition function, and needs great braking
Pressure is grasped by driver, avoids excessive air consumption as far as possible.
Embodiment 1.2:A kind of control method of the electronic parking valve of proportional output comprising：
When driving：
A. it is supplied for the first air inlet by parking pipeline, the gas into the first air inlet enters C chambers across the piston；
B. it gives the solenoid valve valve port of solenoid valve A and B to supply, when solenoid valve A is powered, is attracted in corresponding dynamic iron core
Row, at this point, the gas of the first air inlet reaches the A chambers of piston right via the valve port of C chambers and solenoid valve A, to push work
Plug moves to right so that the gas of the first air inlet enters the first delivery outlet；
C. solenoid valve A, which is powered, is no more than three seconds, then restores off-position, because piston has no return spring or any
Returning place force, thus, first delivery outlet is always maintained at the state of output gas, and brief energization powers off again, avoids for a long time
Overheat caused by energization.
Step a, b, c are executed successively.
When parking:
D. solenoid valve B is powered, valve port of the gas of the first air inlet through solenoid valve B reaches the left side B of piston at this time
Chamber pushes piston to the right, and the gas of the first delivery outlet will be arranged by exhaust outlet to air at this time.
E. solenoid valve B is powered three seconds (brief energization), then powers off, and piston is maintained at the state before power-off, that is,
Exhaust condition will not change because of power-off.
Step d, e is executed successively.
I.e. driving and the switching of parked state only need to carry out solenoid valve into the energization of short time, you can are maintained at previous
A action state.Achieve the effect that a memory.
When service brake：
F. gas enters the second delivery outlet from the second air inlet by the nonreturn valve core, carries out service brake.
When temporary parking：
G. third air inlet takes gas to input from driving pipeline, and proportion magnetic valve is powered from small to large by electric current, corresponding
The iron core of solenoid valve A or solenoid valve B can push drain tap, drain tap be closed, and mandril is pushed so that third into
The air pressure of gas port enters E chambers from air intake valve, then enters the second delivery outlet through nonreturn valve core；
H. the size relationship proportional to the air pressure of the second delivery outlet for passing through the electric current of solenoid valve A and solenoid valve B, reaches pine
Dead ship condition function can also be kept by opening brake pedal, and great brake pressure is needed to be grasped by driver, be kept away as far as possible
Excessive air consumption is exempted from.
Step g, h is executed successively.
Claims (10)
1. a kind of electronic parking valve of proportional output comprising valve body, the valve body central lower are equipped with air intake valve, feature
It is：Proportion magnetic valve is connected above the air intake valve, and valve seat, valve seat lower section are housed in the valve body on the left of the air intake valve
Equipped with nonreturn valve core, constitute the second air inlet between the nonreturn valve core and the valve seat, the outside of the nonreturn valve core with it is described
The second delivery outlet is constituted between the lateral through aperture of valve seat, between the nonreturn valve core lower part and the valve body and the air intake valve
E chambers are constituted, the interior valve body on the right side of the air intake valve includes piston, the valve body setting exhaust outlet below piston, under the piston
The valve body of side includes the first delivery outlet, and the body portion on the right side of first delivery outlet further includes the first air inlet, on the piston
The valve body of side connects solenoid valve A and solenoid valve B, and C chambers, the work are constituted between the solenoid valve A and solenoid valve B and the valve body
B chambers are constituted between plug left side and the valve body, the valve body right end connection end cap constitutes A between the piston and the end cap
Chamber, the body top connect valve deck, include plug on the outside of the valve deck, further include third air inlet on the outside of the valve body, this
Three air inlets can be connected to the air intake valve.
2. the electronic parking valve of proportional output as described in claim 1, it is characterised in that：The center of the third air inlet
Central axis of the axis perpendicular to the valve body.
3. the electronic parking valve of proportional output as described in claim 1, it is characterised in that：The structure of the C chambers is class ten
Font.
4. the electronic parking valve of proportional output as described in claim 1, it is characterised in that：It include top in the air intake valve
Bar.
5. the electronic parking valve of proportional output as claimed in claim 4, it is characterised in that：Setting exhaust above the mandril
Valve, the drain tap are located at the lower part of the proportion magnetic valve.
6. the electronic parking valve of the proportional output as described in any one of claim 1-5, it is characterised in that：On the piston
Sealing ring I, sealing ring II, sealing ring III and sealing ring IV are set between surface and the valve body.
7. the electronic parking valve of proportional output as claimed in claim 6, it is characterised in that：The right part of sealing ring III
First air inlet is constituted between the sealing ring IV and the valve body.
8. the electronic parking valve of proportional output as claimed in claim 6, it is characterised in that：The left part of sealing ring III
First delivery outlet is constituted between the sealing ring I and the valve body.
9. the electronic parking valve of proportional output as claimed in claim 6, it is characterised in that：The central axis of exhaust outlet is located at
Between the sealing ring I and the sealing ring II.
10. the electronic parking valve of proportional output as described in claim 1, it is characterised in that：The valve port of the solenoid valve A
When solenoid valve A is powered, with the A chambers unicom；The valve port of the solenoid valve B is located in the valve body and leads in solenoid valve B
When electric with the B chambers unicom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018971.2U CN208036251U (en) | 2018-01-05 | 2018-01-05 | A kind of electronic parking valve of proportional output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820018971.2U CN208036251U (en) | 2018-01-05 | 2018-01-05 | A kind of electronic parking valve of proportional output |
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| Publication Number | Publication Date |
|---|---|
| CN208036251U true CN208036251U (en) | 2018-11-02 |
Family
ID=63956431
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820018971.2U Active CN208036251U (en) | 2018-01-05 | 2018-01-05 | A kind of electronic parking valve of proportional output |
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| CN (1) | CN208036251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146414A (en) * | 2018-01-05 | 2018-06-12 | 瑞立集团瑞安汽车零部件有限公司 | The electronic parking valve and control method of a kind of proportional output |
-
2018
- 2018-01-05 CN CN201820018971.2U patent/CN208036251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108146414A (en) * | 2018-01-05 | 2018-06-12 | 瑞立集团瑞安汽车零部件有限公司 | The electronic parking valve and control method of a kind of proportional output |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230423 Address after: No. 456, Binhai 4th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province Patentee after: WENZHOU RUILI KORMEE AUTOMOTIVE ELECTRONICS CO.,LTD. Address before: Ruian City, Wenzhou City, 325200 Zhejiang Province Economic Development Zone No. 1169 Meng Lu Patentee before: RUILI GROUP RUIAN AUTO PARTS Co.,Ltd. |