CN107650894A - A kind of method of electronic parking control system and the application system - Google Patents
A kind of method of electronic parking control system and the application system Download PDFInfo
- Publication number
- CN107650894A CN107650894A CN201711063487.8A CN201711063487A CN107650894A CN 107650894 A CN107650894 A CN 107650894A CN 201711063487 A CN201711063487 A CN 201711063487A CN 107650894 A CN107650894 A CN 107650894A
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- Prior art keywords
- valve
- oil
- parking
- oil circuit
- control valve
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a kind of electronic parking scheme and device, the method of specifically a kind of electronic parking control system and the application system, including the parking valve being connected by mechanical mechanism with parking device and for controlling the parking valve to be acted by P gears to the park control valve of NP gears, it is characterised in that：The park control valve high pressure oil inlet is connected with high-pressure oil passage, the high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, with the above mentioned technical proposal, the method of a kind of electronic parking control system of the present invention and the application system is by setting draining oil circuit, after switch valve S1 failures, the oil in park control valve guide end is drawn off by gate gurgle valve and draining oil circuit, closes park control valve, parking valve returns to P gears and put.
Description
Technical field
The present invention relates to a kind of electronic parking scheme and device, specifically a kind of electronic parking control system and application
The method of the system.
Background technology
Electronic parking system more facilitates human pilot selection to manipulate gear, while eliminates gear level and gearshift zip etc.
Component of machine, manufacturing cost is reduced, increase vehicle inner space, therefore, electronic parking systematic difference is more and more wider
General, existing electronic parking system is connected by HYDRAULIC CONTROL SYSTEM parking valve, parking valve by mechanical mechanism with gearshift,
Gear is driven to switch to NP gears by P gears, the high-pressure oil passage being connected with parking valve is controlled by park control valve, and park control valve passes through
Switch valve controls it to open and close, and does not have in existing electronic parking system effective standby for being closed after switch valve failure
Measure, in electronic parking system, switch valve failure can cause whole electronic parking thrashing, and the life of driver and crew is pacified
Complete produce greatly threatens.
The content of the invention
In order to make up above deficiency, it is directed in electronic parking system that switch still can be with after defective valve the invention provides one kind
The electronic parking control system closed to park control valve and the method using the system, to solve in above-mentioned background technology
The problem of.
The technical scheme is that：
A kind of electronic parking control system, including the parking valve that is connected by mechanical mechanism with parking device and for controlling
The parking valve is acted to the park control valve of NP gears by P gears, it is characterised in that：The park control valve high pressure oil inlet with
High-pressure oil passage is connected, and the high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, separately there is control
Oil circuit is connected with the guide end of park control valve, it is described control oil circuit include its interior tandem tap valve S1 guide's oil circuit and
Its interior string switch valve S2 draining oil circuit, the guide's oil circuit are connected with the oil inlet at park control valve guide end, the draining
Oil circuit is connected with the drain tap at park control valve guide end.
As preferable technical scheme, gate gurgle valve of also being connected in the draining oil circuit, the oil outlet end of the switch valve S2 connects
The guide end of gate gurgle valve is led to, the switch valve S2 is used for the unlatching and closing for controlling gate gurgle valve, the oil inlet end of the gate gurgle valve
It is connected with the guide end drain tap of park control valve.
As preferable technical scheme, separately there is self-locking oil return line one end to be connected between the park control valve and parking valve
High-pressure oil passage in, the oil inlet end of the other end of self-locking oil return line connection gate gurgle valve.
As preferable technical scheme, parking valve latch system, the parking valve latch system are set on the parking valve
The lock valve driven including locking guide's oil circuit and by the locking guide's oil circuit, sets normally opened lock in the locking guide's oil circuit
Shotpin control valve, the lock valve include valve plate and lock pin.
As preferable technical scheme, the lock groove to match with lock pin is additionally provided with the parking valve core.
As preferable technical scheme, the switch valve S1 and switch valve S2 are oil communication valve.
As preferable technical scheme, the park control valve, gate gurgle valve and normally opened lock pin control valve are to pass through hydraulic pressure
The mechanical valve of control.
As preferable technical scheme, the guide's oil circuit and draining oil circuit are 5bar low pressure oil way, the high pressure
Oil circuit is 20bar oil circuit.
A kind of method that parking is controlled using aforementioned electronic parking control system, comprises the following steps：
(1) parking valve is opened and closed
Switch valve S1 is opened, and low-pressure pilot oil circuit is entered in park control valve oil suction chamber by switch valve S1, parking control
Valve is opened, and high-pressure oil passage is passed through park control valve fuel feed hole, and is passed through by oil outlet and fuel-displaced oil circuit in parking valve fuel feed hole,
Parking valve core is controlled to open, vehicle is in NP gears；
Closing switch valve S1, cutoff low guide's oil circuit, now, the hydraulic pressure in draining oil circuit being connected with park control valve
Oil opens switch valve S2 still in oil suction chamber, and gate gurgle valve is opened, the hydraulic oil in draining oil circuit is released, and park control valve closes
Close, complete parking valve closing motion, vehicle is in P gears；
(2) parking valve locking
Parking valve core is located at open mode, the connection of locking guide's oil circuit, and low-pressure pilot oil circuit passes through normally opened lock pin control
Valve processed is communicated on the mechanical valve plate of hydraulic control, controls lock pin to act by valve plate, lock pin enters lock groove, to parking
Valve carries out locking；
(3) park control valve locking
When being kept off in NP, switch valve S1 breaks down, and low-pressure pilot oil circuit cannot be introduced into park control valve oil suction chamber, open
Close valve S2 to close, gate gurgle valve is closed, and the draining oil circuit being connected in park control valve oil suction chamber by loop carries into oil suction chamber
Feed flow presses oil, and locking itself simultaneously be in opening, and vehicle is still in NP gears, after emergency, switch valve S2 unlatchings, and draining
Valve is opened, and park control valve guide end oil pressure is vented by gate gurgle valve, and parking valve guide end oil pressure vents, and is completed parking valve and is closed
Action, vehicle are in P gears.
By adopting the above-described technical solution, a kind of electronic parking control system of the present invention and the application system
Method is by setting draining oil circuit, after switch valve S1 failures, by gate gurgle valve and draining oil circuit by park control valve guide end
Interior oil is drawn off, and closes park control valve, and parking valve returns to P gears and put, and is avoided because switch defective valve causes whole parking
Thrashing, while the threat of the life security in vehicle travel process to driver and crew is avoided, change stay within the system
The locking mode of car valve latch system, makes whole system more safe and efficient.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the flowage structure schematic diagram of the embodiment of the present invention.
Embodiment
Embodiment one：As shown in figure 1, a kind of electronic parking control system of the present invention, including pass through mechanical mechanism
The parking valve 5 that is connected with parking device and for controlling the parking valve to be acted by P gears to the park control valve 4 of NP gears, institute
Stating parking valve 5 includes valve casing 501 and valve element 502, and valve element 502 single line can move in valve casing 501, and the P gears and NP gears are corresponding
The movement position of valve element 502.
The park control valve 4 is hydraulic control mechanical valve, and park control valve 4 has guide end and mechanical spool end, first
Lead oiling in end to eject mechanical valve element, realize valve opening, otherwise close, mechanical spool end has the He of high pressure oil inlet 401
High-pressure oil outlet 402, the high pressure oil inlet 401 are connected with 20bar high-pressure oil passage 1A, and the high-pressure oil outlet 402 passes through
Oil circuit is connected with the oil inlet of parking valve 5, and 20bar hydraulic oil enters the oil pocket of parking valve 5 by park control valve 4, separately has
Control oil circuit is connected with the guide end of park control valve 4, and the control oil circuit includes its interior tandem tap valve S1 guide's oil circuit
4A and its interior string switch valve S2 draining oil circuit 4B, 5bar oil pressure enters the guide end of park control valve 4 by switch valve S1, pushes away
Dynamic park control valve 4 is opened, and the guide's oil circuit 4A is connected with the oil inlet at the guide end of park control valve 4, the draining oil circuit
4B is connected with the drain tap at the guide end of park control valve 4, and the oil pressure at the guide end of park control valve 4 is laid down by switch valve S2, is stayed
Car control valve 4 is closed.
Also connected in the draining oil circuit 4B gate gurgle valve 3, the oil outlet end of the switch valve S2 is communicated to the guide of gate gurgle valve 3
End, the switch valve S2 are used for the unlatching and closing for controlling gate gurgle valve 3, oil inlet end and the park control valve 4 of the gate gurgle valve 3
Guide end drain tap is connected, and when being kept off in NP, switch valve S1 breaks down, switch valve S2 and 5bar low pressure oil way 1B phases
Even, low pressure oil enters the guide end of gate gurgle valve 3 by switch valve S2, and control gate gurgle valve 3 is opened, by the guide end of park control valve 4
Interior oil pressure is discharged, and park control valve 4 is closed, and parking valve 5 is closed, and returns to P gears.
In the another high-pressure oil passage for thering is self-locking oil return line 1P one end to be connected between the park control valve 4 and parking valve 5, institute
The oil inlet end of self-locking oil return line 1P other end connection gate gurgle valve 3 is stated, switch valve S1 is opened, and switch valve S2 is closed, and low pressure oil is entered
Enter the guide end of park control valve 4, and forming formation loop progress self-locking in self-locking oil return line 1P and be in opening, switch
Valve S1 breaks down, and vehicle still is able to keep off in NP.After emergency, switch valve S2 is opened, and gate gurgle valve 3 is opened, parking control
The guide end oil pressure of valve 4 is vented by gate gurgle valve 3, and the guide end 20bar oil pressure of parking valve 5 vents, and mechanical device promotes parking valve 5
P is kept off, while park pawl pins park tooth, and vehicle is kept off into P.
On the parking valve 5 set parking valve latch system, the parking valve latch system include locking guide's oil circuit and
By the lock valve of locking guide's oil circuit driving, normally opened lock pin control valve 11 is set in the locking guide's oil circuit, it is described
The oil inlet end of locking guide's oil circuit is connected with normally opened lock pin control valve 11, the oil outlet end and lock valve of the locking guide's oil circuit
Oil inlet is connected, and the lock valve includes valve plate 7 and lock pin 6, and hydraulic oil promotes valve plate 7 and lock pin 6 to act, to parking valve
5 carry out locking.
The lock groove 15 to match with lock pin 6 is additionally provided with the valve element of parking valve 5.
A kind of method that parking is controlled using aforementioned electronic parking control system, comprises the following steps：
(1) parking valve is opened and closed
Switch valve S1 is opened, and 5bar low-pressure pilot oil circuit is entered in park control valve oil suction chamber by switch valve S1, is stayed
Car control valve is opened, and 20bar high-pressure oil passage is passed through park control valve fuel feed hole, and is passed through and stays by oil outlet and fuel-displaced oil circuit
In the fuel feed hole of car valve 5, the valve element of control parking valve 5 is opened, and vehicle is in NP gears；
Closing switch valve S1,5bar low-pressure pilot oil circuits are cut off, now, in the draining oil circuit being connected with park control valve 4
Hydraulic oil still in oil suction chamber, open switch valve S2, gate gurgle valve 3 opens, the hydraulic oil in draining oil circuit is released, parking control
Valve 4 processed is closed, and completes the closing motion of parking valve 5, and vehicle is in P gears；
(2) parking valve locking
The valve element of parking valve 5 is located at open mode, the connection of locking guide's oil circuit, and 5bar low-pressure pilots oil circuit passes through normally opened locking
The control valve of pin 11 is communicated on the mechanical valve plate 7 of hydraulic control, controls lock pin 6 to act by valve plate 7, lock pin 6 enters lock
Only groove, locking is carried out to parking valve；
(3) park control valve locking
When being kept off in NP, switch valve S1 breaks down, and 5bar low-pressure pilot oil circuits cannot be introduced into park control valve oil-feed
Chamber, switch valve S2 are closed, and gate gurgle valve is closed, and draining oil circuit in park control valve oil suction chamber is connected to oil suction chamber by loop
Interior offer hydraulic oil, locking itself are simultaneously in opening, and vehicle is still in NP gears, and after emergency, switch valve S2 is opened,
Gate gurgle valve 3 is opened, and the guide end oil pressure of park control valve 4 is vented by gate gurgle valve 3, and the guide end 20bar oil pressure of parking valve 5 vents,
The closing motion of parking valve 5 is completed, vehicle is in P gears.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of electronic parking control system, including the parking valve that is connected by mechanical mechanism with parking device and for controlling this
Parking valve is acted to the park control valve of NP gears by P gears, it is characterised in that：The park control valve high pressure oil inlet and height
Force feed road is connected, and the high-pressure oil outlet of the park control valve is connected by oil circuit with the oil inlet of parking valve, separately there is control oil
Road is connected with the guide end of park control valve, and the control oil circuit includes its interior tandem tap valve S1 guide's oil circuit and its interior string
Switch valve S2 draining oil circuit, the guide's oil circuit are connected with the oil inlet at park control valve guide end, the draining oil circuit with
The drain tap at park control valve guide end is connected.
A kind of 2. electronic parking control system as claimed in claim 1, it is characterised in that：Also series connection is let out in the draining oil circuit
Fuel tap, the oil outlet end of the switch valve S2 are communicated to the guide end of gate gurgle valve, and the switch valve S2 is used to control opening for gate gurgle valve
Open and close, the oil inlet end of the gate gurgle valve is connected with the guide end drain tap of park control valve.
A kind of 3. electronic parking control system as claimed in claim 1, it is characterised in that：It is another to have the connection of self-locking oil return line one end
In high-pressure oil passage between the park control valve and parking valve, the other end connection gate gurgle valve of the self-locking oil return line enters
Oily end.
A kind of 4. electronic parking control system as claimed in claim 2 or claim 3, it is characterised in that：Set and stay on the parking valve
Car valve latch system, the parking valve latch system include locking guide's oil circuit and the locking driven by the locking guide's oil circuit
Valve, normally opened lock pin control valve is set in the locking guide's oil circuit, the lock valve includes valve plate and lock pin.
A kind of 5. electronic parking control system as claimed in claim 4, it is characterised in that：It is additionally provided with the parking valve core
The lock groove to match with lock pin.
A kind of 6. electronic parking control system as claimed in claim 2 or claim 3, it is characterised in that：The switch valve S1 and switch
Valve S2 is oil communication valve.
A kind of 7. electronic parking control system as claimed in claim 6, it is characterised in that：The park control valve, gate gurgle valve
And normally opened lock pin control valve is the mechanical valve by hydraulic control.
A kind of 8. electronic parking control system as claimed in claim 1, it is characterised in that：The guide's oil circuit and draining oil circuit
It is 5bar low pressure oil way, the high-pressure oil passage is 20bar oil circuit.
A kind of 9. method that parking is controlled using aforementioned electronic parking control system, it is characterised in that：Comprise the following steps：
(1) parking valve is opened and closed
Switch valve S1 is opened, and low-pressure pilot oil circuit is entered in park control valve oil suction chamber by switch valve S1, and park control valve is opened
Open, high-pressure oil passage is passed through park control valve fuel feed hole, and is passed through by oil outlet and fuel-displaced oil circuit in parking valve fuel feed hole, control
Parking valve core is opened, and vehicle is in NP gears；
Closing switch valve S1, cutoff low guide's oil circuit, now, the hydraulic oil in draining oil circuit being connected with park control valve is still
In oil suction chamber, switch valve S2 is opened, gate gurgle valve is opened, the hydraulic oil in draining oil circuit is released, and park control valve is closed, complete
Into parking valve closing motion, vehicle is in P gears；
(2) parking valve locking
Parking valve core is located at open mode, the connection of locking guide's oil circuit, and low-pressure pilot oil circuit passes through normally opened lock pin control valve
It is communicated on the mechanical valve plate of hydraulic control, controls lock pin to act by valve plate, lock pin enters lock groove, entered to parking valve
Row locking；
(3) park control valve locking
When being kept off in NP, switch valve S1 breaks down, and low-pressure pilot oil circuit cannot be introduced into park control valve oil suction chamber, switch valve
S2 is closed, and gate gurgle valve is closed, and the draining oil circuit being connected to by loop in park control valve oil suction chamber provides liquid into oil suction chamber
Force feed, locking itself simultaneously be in opening, and vehicle is still in NP gears, and after emergency, switch valve S2 unlatchings, gate gurgle valve is opened
Open, park control valve guide end oil pressure is vented by gate gurgle valve, and parking valve guide end oil pressure vents, and it is dynamic to complete the closing of parking valve
Make, vehicle is in P gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063487.8A CN107650894B (en) | 2017-11-02 | 2017-11-02 | Electronic parking control system and method for applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711063487.8A CN107650894B (en) | 2017-11-02 | 2017-11-02 | Electronic parking control system and method for applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107650894A true CN107650894A (en) | 2018-02-02 |
| CN107650894B CN107650894B (en) | 2023-10-03 |
Family
ID=61095533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711063487.8A Active CN107650894B (en) | 2017-11-02 | 2017-11-02 | Electronic parking control system and method for applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107650894B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678917A (en) * | 2010-12-22 | 2012-09-19 | 奥迪股份公司 | Device for operating parking lock |
| CN103097779A (en) * | 2010-08-25 | 2013-05-08 | 戴姆勒股份公司 | Hydraulic controller for an automatic transmission of a motor vehicle |
| CN206221634U (en) * | 2016-10-01 | 2017-06-06 | 江麓机电集团有限公司 | A kind of electro-hydraulic guide's buffering shifting control system |
| CN207466631U (en) * | 2017-11-02 | 2018-06-08 | 盛瑞传动股份有限公司 | A kind of electronic parking control system |
-
2017
- 2017-11-02 CN CN201711063487.8A patent/CN107650894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103097779A (en) * | 2010-08-25 | 2013-05-08 | 戴姆勒股份公司 | Hydraulic controller for an automatic transmission of a motor vehicle |
| CN102678917A (en) * | 2010-12-22 | 2012-09-19 | 奥迪股份公司 | Device for operating parking lock |
| CN206221634U (en) * | 2016-10-01 | 2017-06-06 | 江麓机电集团有限公司 | A kind of electro-hydraulic guide's buffering shifting control system |
| CN207466631U (en) * | 2017-11-02 | 2018-06-08 | 盛瑞传动股份有限公司 | A kind of electronic parking control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107650894B (en) | 2023-10-03 |
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