CN110103913A - A kind of new-energy automobile parking control method, device, system and automobile - Google Patents
A kind of new-energy automobile parking control method, device, system and automobile Download PDFInfo
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- CN110103913A CN110103913A CN201910466929.6A CN201910466929A CN110103913A CN 110103913 A CN110103913 A CN 110103913A CN 201910466929 A CN201910466929 A CN 201910466929A CN 110103913 A CN110103913 A CN 110103913A
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- mechanical locking
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/24—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle inclination or change of direction, e.g. negotiating bends
- B60T8/245—Longitudinal vehicle inclination
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/58—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention provides a kind of new-energy automobile parking control method, device, system and automobile, to solve the problems, such as in the prior art since P grades of parking mechanical lock lockable mechanisms and EPB electronic parking executing agency two systems independent operating lead to when parking that there are abnormal sound occur when P gear unlocks.The new-energy automobile parking control method, comprising: judge whether to receive driver's parking request；If receiving, according to the current operating parameter of vehicle, the EPB electronic parking executing agency of vehicle and P gear mechanical locking mechanism are controlled, to carry out parking control to automobile.
Description
Technical field
The present invention relates to new-energy automobile parking control field, specifically a kind of new-energy automobile parking control method, dress
It sets, system and automobile.
Background technique
With the development of science and technology with the swift and violent increase of car ownership, vehicle safety technology is increasingly by extensive
Concern, especially the parking safety performance of vehicle.When vehicle is in parked state, driver can be left under most usage scenarios
Vehicle, therefore, the superiority and inferiority of vehicle parking performance directly influence vehicle and the safety of pedestrian.4.2.19.2 is clear in GB21670
It proposes: it is required that for the vehicle for configuring electronic parking EPB, inside automatically controlled transmission, outside the electronic control unit in addition to power supply line
When route is damaged or control device fails, remain to carry out parking braking from steering position and make fully loaded vehicle 8% it is upper,
Gug is remain stationary.It can be by engine/manual transmission or fluid drive in addition, having indicated the laws and regulations requirement in national standard
Device (parking gear) reaches above-mentioned performance under its auxiliary.
In order to meet above-mentioned laws and regulations requirement, most of fuel vehicle and new energy vehicle on the market is each equipped with P grades of parking machines
Tool locking system, when failure of removal occurs for electronic parking EPB, P grades of parking mechanical locking arrangements can satisfy parking safety
Energy.P grades of parking mechanical locking mechanisms are mainly made of parking motor, speed change gear, parking cam, energy storage equipment and pawl, i.e.,
When gear is in P grades, parking motor drives parking cam to rotate and pawl is pushed to stick into the gear clearance of output shaft of gear-box,
Have the function that locking transmission system.
In the state of electronic parking EPB non-parking, when vehicle is in parked state, electronic parking EPB to vehicle into
Row locking, meanwhile, also locking vehicle, two kinds of parking modes have reached parking to P grades of parking mechanical locking mechanisms in a sense
The purpose of redundancy.
But generally existing two problems of P shelves parking mechanical lock lockable mechanism on current vehicle: first problem are as follows: low
Under speed scene when parking, pawl can generate impact with gearbox, and with the impaired problem of larger abnormal sound and locking system；
Second Problem are as follows: under heavy grade road scene when parking, pawl causes with engaged gears in P grades of parking mechanical locking mechanisms
Catching phenomenon, abnormal sound problem when final P grades of unlock fails or unlock.
To find out its cause, undoubtedly two sets of parking systems are mutually indepedent, fail rationally to carry out cooperation to complete parking to cause
's.
Summary of the invention
The purpose of the present invention is to provide a kind of new-energy automobile parking control method, device, system and automobiles, to solve
In the prior art since P grades of parking mechanical lock lockable mechanisms and EPB electronic parking executing agency two systems independent operating cause
There are problems that abnormal sound occur when P gear unlock when parking.
The technical solution of the present invention is as follows:
The present invention provides a kind of new-energy automobile parking control methods, comprising:
Judge whether to receive driver's parking request；
If receiving, according to the current operating parameter of vehicle, mechanical locking is kept off to the EPB electronic parking executing agency of vehicle and P
Mechanism is controlled, to carry out parking control to automobile.
Preferably, the current operating parameter of the vehicle includes the current vehicle speed of vehicle, is joined according to the current operation of vehicle
Number, keeping off the step of mechanical locking mechanism controls to the EPB electronic parking executing agency of vehicle and P includes:
According to the current vehicle speed of the vehicle, the operating status of vehicle is determined；
If the operating status of vehicle is driving status, and the current vehicle speed is greater than the first speed and is less than or equal to the second vehicle
Speed, then the EPB electronic parking executing agency for controlling vehicle carry out electronic parking；
After executing electronic parking, if the current vehicle speed reduction of speed of vehicle is zero, controls EPB electronic parking executing agency and persistently transport
Row, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
Preferably, the operating parameter of the vehicle further includes the gradient that vehicle is presently in position, according to the current of vehicle
The step of operating parameter, EPB electronic parking executing agency and P block locking mechanism to vehicle control further include:
If the operating status of vehicle is driving status, and the current vehicle speed is greater than zero and is less than or equal to first speed,
Then according to the gradient, judge whether vehicle is in heavy grade road scene；
If being in, the EPB electronic parking executing agency for controlling vehicle carries out electronic parking；
After executing electronic parking, if the current vehicle speed reduction of speed of vehicle is zero, controls EPB electronic parking executing agency and persistently transport
Row, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
Preferably, according to the current operating parameter of vehicle, locking machine is kept off to the EPB electronic parking executing agency of vehicle and P
The step of structure is controlled further include:
If the operating status of vehicle judges whether vehicle is in heavy grade road scene according to the gradient for dead ship condition；
The P gear mechanical locking mechanism for if being in, controlling the operation of EPB electronic parking executing agency, and controlling vehicle carries out mechanical
Locking parking；
Conversely, the P gear mechanical locking mechanism for then controlling vehicle carries out mechanical locking parking.
Preferably, according to the current operating parameter of vehicle, locking machine is kept off to the EPB electronic parking executing agency of vehicle and P
The step of structure is controlled further include:
If vehicle is not in heavy grade road scene, the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
Preferably, in the current operating parameter according to vehicle, the EPB electronic parking executing agency of vehicle and P are kept off mechanical
Before the step of lockable mechanism is controlled, the method also includes:
Judge whether the EPB electronic parking executing agency of vehicle fails；
If failure, the P gear parking mechanical locking mechanism of vehicle is controlled, to carry out parking control to automobile；
If not failing, the current operating parameter according to vehicle is executed, to the EPB electronic parking executing agency of vehicle and P
The step of gear mechanical locking mechanism is controlled.
According to another aspect of the present invention, the present invention also provides a kind of new-energy automobile parking control devices, comprising:
Judgment module receives driver's parking request for judging whether；
Control module, if for receiving, according to the current operating parameter of vehicle, to the EPB electronic parking executing agency of vehicle
It is controlled with P gear mechanical locking mechanism, to carry out parking control to automobile.
According to another aspect of the present invention, the present invention also provides a kind of new-energy automobile parking control systems, comprising:
EPB electronic parking executing agency, for providing brake force for the wheel of vehicle；
P keeps off mechanical locking mechanism, and transmission system used for vehicles carries out locking；
Control device is used in driver's parking request, according to the current operating parameter of vehicle, to the EPB electronic parking
Executing agency and P gear mechanical locking mechanism are controlled, to carry out parking control to automobile.
According to another aspect of the present invention, the present invention also provides a kind of automobiles, including above-mentioned new-energy automobile parking
Control system.
The invention has the benefit that
It realizes and new-energy automobile is stayed by being cooperated EPB electronic parking executing agency and P gear mechanical locking mechanism
Vehicle, when can be avoided two sets of parking system independent operatings, the impaired problem of the abnormal sound and lockable mechanism that occur, reduce abnormal sound and
Shake, can be improved the comfort and user experience of vehicle.
Detailed description of the invention
Fig. 1 is the flow diagram of method of the invention；
Fig. 2 is the specific flow chart of step 102；
Fig. 3 is the detail flowchart of method of the invention.
Specific embodiment
The exemplary embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here
It is limited.It is to be able to thoroughly understand the present invention on the contrary, providing these embodiments, and can be by the scope of the present invention
It is fully disclosed to those skilled in the art.
Referring to Fig.1, the present invention provides a kind of new-energy automobile parking control methods, comprising:
Step 101, judge whether to receive driver's parking request.
Wherein, when vehicle is not parked, the DPB electronic parking executing agency of vehicle and P gear mechanical locking mechanism are located
In unlocked state.
Wherein, driver's parking request is known by the shift signal of the selector of vehicle, will change in driver
When the gear of lug-latch switches to P gear, i.e. generation P keeps off parking signal, according to the signal, it may be determined that driver has the need of parking
It asks.For new-energy automobile, selector has generally included P gear, and D gear, S gear, R gear is D gear, S in the gear of selector
Any one gear in gear and D gear, can determine without parking demand, that is, determines and do not receive driver's parking request.
Step 102, if receiving, according to the current operating parameter of vehicle, EPB electronic parking executing agency to vehicle and
P gear mechanical locking mechanism is controlled, to carry out parking control to automobile.
Wherein, in the present embodiment, vehicle current operating parameter includes that the current vehicle speed of vehicle and vehicle are presently in
The gradient of position.
EPB electronic parking executing agency is to be locked using brake force come the rotation direction of the wheel to vehicle, cutting
The reverse power transmission of wheel to speed changer makes vehicle be in light condition so that the load of vehicle is undertaken by brake disc.And
The structural principle of P grades of mechanical locking mechanisms is the parking that electric vehicle is realized by blocking the gear of pawl speed changer.
In order to realize the parking to automobile, in the present embodiment in, which includes:
Step 201, according to the current vehicle speed of the vehicle, the operating status of vehicle is determined.
Wherein, the operating status of vehicle refers to that vehicle is in the state that the state of traveling is still stopped.When speed is 0,
The operating status for determining vehicle is dead ship condition；Conversely, being then determined as vehicle is driving status.
Step 202, if the operating status of vehicle be driving status, and the current vehicle speed be greater than the first speed and be less than or
Equal to the second speed, then the EPB electronic parking executing agency for controlling vehicle carries out electronic parking.
Wherein, the first speed is the maximum permissible train speed that P keeps off that mechanical locking mechanism carries out locking, and the second speed is EPB electricity
Sub- control device carries out the maximum permissible train speed of parking.
In the present embodiment, regardless of whether the brake pedal of vehicle is trampled, for the effect of brake pedal have invariably into
Row constraint, as long as meeting condition in the current vehicle speed for receiving driver's parking request and vehicle, can carry out above-mentioned parking control
System.At this moment, the P gear mechanical locking mechanism of vehicle is still in unlocked state.Since P gear mechanical locking mechanism is not joined at this moment
It works with locking, the pawl that P keeps off mechanical locking mechanism also would not generate impact with gearbox, also can be in the prior art
The impaired problem of abnormal sound and P gear mechanical locking mechanism.Specifically, the vehicle speed value of first speed and the second speed can foundation
Practical vehicle condition is demarcated, and usually, the calibration value of first speed is smaller, e.g., less than or equal to 5KM/H etc..
Step 203, it after executing electronic parking, if the current vehicle speed reduction of speed of vehicle is zero, controls EPB electronic parking and holds
Row mechanism continuous service, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
Vehicle current vehicle speed by reduction of speed to zero after, the gearbox in operating condition stops working, at this point, P keep off machine
For tool lockable mechanism in locking, pawl can not generate impact with gearbox again, also avoid abnormal sound and impact impaired phenomenon
It generates.
Step 204, if the operating status of vehicle is driving status, and the current vehicle speed is greater than zero and is less than or equal to institute
The first speed is stated, then according to the gradient, judges whether vehicle is in heavy grade road scene.
Heavy grade road scene refers to that the gradient that vehicle is presently in has been greater than the gradient of predetermined angle, the predetermined angle example
For example 5 degree etc..
Step 205, if vehicle is not in heavy grade road scene, the P gear mechanical locking mechanism for controlling vehicle carries out machine
Tool locking parking.
Step 206, if being in, the EPB electronic parking executing agency for controlling vehicle carries out electronic parking.
Step 207, it after executing electronic parking, if the current vehicle speed reduction of speed of vehicle is zero, controls EPB electronic parking and holds
Row mechanism continuous service, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
Since vehicle is in parking on the biggish slope road of the gradient, the vehicle load power that is transmitted on the gear mechanism of speed changer
Meeting so that pawl and gearbox engaged gears, and then occur clamping stagnation, finally make load Lee of vehicle be transmitted to P gear mechanical lock
On locking mechanism.When P gear mechanical locking mechanism is unlocked, the load that can carry vehicle is unlocked, and can be generated obvious
Abnormal Sound and vehicle shake.
In the application, due to EPB electronic parking, executing agency has first carried out electronic parking, during electronic parking,
The wheel lock up of vehicle is made the load of vehicle by brake disc to undertake by EPB electronic parking executing agency, at this point, speed changer is just
It has been in light condition；Then, locking is carried out by gear of the P gear mechanical locking mechanism to the speed changer in light condition,
At this moment, P keeps off mechanical locking mechanism and is not subject to the load of vehicle, accordingly it is possible to prevent impacting with speed changer.
Step 208, if the operating status of vehicle judges whether vehicle is in big slope according to the gradient for dead ship condition
Spend road scene.
Step 209, if being in, the operation of EPB electronic parking executing agency is controlled, and controls the P gear mechanical locking of vehicle
Mechanism carries out mechanical locking parking；
Step 210, conversely, the P gear mechanical locking mechanism for then controlling vehicle carries out mechanical locking parking.
Wherein, when vehicle is in dead ship condition, if determining that vehicle is on horizontal road according to the gradient, at this point,
Vehicle is in no-load condition, and speed changer would not also occur and P gear mechanical locking mechanism occurs impact and generates showing for abnormal sound
As.At this time, it is only necessary to carry out P gear mechanical locking mechanism, parking can be carried out to vehicle.
And when on the slope road that vehicle is in heavy grade, even if the speed of vehicle is zero, but vehicle still has certain bear
It carries, at this point, holding tightly by the EPB electric actuator to wheel, the load of vehicle is undertaken by brake disc, prevents P from keeping off machine
Tool lockable mechanism is impacted in locking with speed changer.
Preferably, in the present embodiment, as shown in Figure 1, in the current operating parameter according to vehicle, to the EPB electricity of vehicle
Before the step of sub- control device and P gear mechanical locking mechanism are controlled, the method also includes:
Step 103, judge whether the EPB electronic parking executing agency of vehicle fails.
Wherein, the failure of EPB electronic parking executing agency refers to that the EPB electronic parking executing agency cannot again carry out wheel
The state of holding.
Step 104, if failure, the P gear parking mechanical locking mechanism of vehicle is controlled, to carry out parking to automobile
Control；If not failing, the current operating parameter according to vehicle is executed, to the EPB electronic parking executing agency of vehicle and P
The step of gear mechanical locking mechanism is controlled.
In the failure of EPB electronic parking executing agency, vehicle locking is carried out by P gear parking mechanical locking mechanism, to expire
Sufficient requirements of the national standard guarantees that vehicle still is able to carry out and completes parking.
As shown in figure 3, the new-energy automobile is when carrying out parking, comprising the following steps:
Step 301, according to the gear shifting signal of selector, judge whether to receive driver's parking request, if receiving, enter step
302, conversely, repeating step 301；
Step 302, judge whether EPB electric actuator fails, when confirming failure, 303 are entered step, conversely, then entering
Step 304, such as in the controller failure, EPB switch or actuating motor failure, harness failure for EPB electric actuator occur
Etc. failures when, confirmation EPB electric actuator failure；
Step 303, the current vehicle speed V of vehicle is obtained, and judges whether the speed meets 0≤V≤V1, wherein V1 is that P gear is mechanical
Lockable mechanism runs permitted max. speed.If not satisfied, then determining that vehicle current vehicle speed is unsatisfactory for parking condition, into step
Rapid 314, determine that parking fails；If satisfied, then entering step 315.
Step 304, brak control unit is obtained to calculate based on vehicle wheel speed sensor signal and be sent to the speed on CAN
Signal, to know the current vehicle speed V of vehicle；
Step 305, speed judgement is carried out, determines the operating status of vehicle, when the operating status of vehicle is dead ship condition, is entered
Step 306；When the operating status of vehicle is driving status, 309 are entered step；
Step 306, it obtains brak control unit and the grade signal on CAN is calculated and be sent to based on vehicle acceleration sensor,
To obtain the current hill grade that vehicle is presently in position；
Step 307, judge whether current hill grade a is greater than such as 5 degree of default value of slope a1(), to determine whether vehicle is in big slope
It spends road scene and enters step 315 if being less than or equal to, conversely, then entering step 308；
Step 308, control EPB electric actuator carries out electronic parking, and control P gear mechanical locking mechanism carries out mechanical locking；
Step 309, judge whether the current vehicle speed V of vehicle is greater than the first speed of V1() and it is less than or equal to the second speed of V2(),
If so, 310 are entered step, conversely, then entering step 312；
Step 310, control EPB electric actuator carries out electronic parking；
Step 311, after executing step 310, judge whether the current vehicle speed V of vehicle is reduced to 0, if so, entering step
303, conversely, then continuation steps 310；
Step 312, judge whether the current vehicle speed V of vehicle is greater than 0 and is less than or equal to V1, if so, entering step 315；Instead
It, then enter step 313；
Step 313, judge whether the current vehicle speed V of vehicle is greater than V2, if so, exporting disappearing for parking failure by step 314
Breath；Conversely, then repeating step 309.
Step 315, control P gear mechanical locking mechanism carries out mechanical locking, specifically, by keeping off mechanical locking machine to P
The parking control unit of structure issues P gear parking instruction, makes parking control unit according to P gear parking instruction, to control parking electricity
Machine drives parking gear rotation, and then in the gap for the gear for pushing pawl to stick into output shaft of gear-box, reaches parking effect；
The above method of the application is realized by being cooperated EPB electronic parking executing agency and P gear mechanical locking mechanism
Parking to new-energy automobile, can be avoided that abnormal sound caused by two sets of parking system independent operatings and lockable mechanism are impaired to ask
Topic, reduces abnormal sound and shake, the comfort and user experience of vehicle can be improved.
According to another aspect of the present invention, the present invention also provides a kind of new-energy automobile parking control devices, comprising:
Judgment module receives driver's parking request for judging whether；
Control module, if for receiving, according to the current operating parameter of vehicle, to the EPB electronic parking executing agency of vehicle
It is controlled with P gear mechanical locking mechanism, to carry out parking control to automobile.
According to another aspect of the present invention, the present invention also provides a kind of new-energy automobile parking control systems, comprising:
EPB electronic parking executing agency, for providing brake force for the wheel of vehicle；
P keeps off mechanical locking mechanism, and transmission system used for vehicles carries out locking；
Control device is used in driver's parking request, according to the current operating parameter of vehicle, to the EPB electronic parking
Executing agency and P gear mechanical locking mechanism are controlled, to carry out parking control to automobile.
Wherein, to above-mentioned parking control device and parking control system in this present embodiment, above-described embodiment is relied on
In parking control method realize the parking to automobile.Further, it is possible to reach the same effect with the above method.In this implementation
In, the device and system realization are referred to go out given in the above method example to the specific implementation means of the parking of vehicle
Scheme realize, in the present embodiment repeat no more.
According to another aspect of the present invention, the present invention also provides a kind of automobiles, including above-mentioned new-energy automobile parking
Control system.
Claims (9)
1. a kind of new-energy automobile parking control method characterized by comprising
Judge whether to receive driver's parking request；
If receiving, according to the current operating parameter of vehicle, mechanical locking is kept off to the EPB electronic parking executing agency of vehicle and P
Mechanism is controlled, to carry out parking control to automobile.
2. the method according to claim 1, wherein the current operating parameter of the vehicle includes the current of vehicle
Speed carries out the EPB electronic parking executing agency of vehicle and P gear mechanical locking mechanism according to the current operating parameter of vehicle
The step of control includes:
According to the current vehicle speed of the vehicle, the operating status of vehicle is determined；
If the operating status of vehicle is driving status, and the current vehicle speed is greater than the first speed and is less than or equal to the second vehicle
Speed, then the EPB electronic parking executing agency for controlling vehicle carry out electronic parking；
After executing electronic parking, if the current vehicle speed reduction of speed of vehicle controls EPB electronic parking executing agency and persistently transports to zero
Row, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
3. according to the method described in claim 2, it is characterized in that, the operating parameter of the vehicle further includes that vehicle is presently in
The gradient of position, according to the current operating parameter of vehicle, EPB electronic parking executing agency and P block locking mechanism to vehicle into
The step of row control further include:
If the operating status of vehicle is driving status, and the current vehicle speed is greater than zero and is less than or equal to first speed,
Then according to the gradient, judge whether vehicle is in heavy grade road scene；
If being in, the EPB electronic parking executing agency for controlling vehicle carries out electronic parking；
After executing electronic parking, if the current vehicle speed reduction of speed of vehicle is zero, controls EPB electronic parking executing agency and persistently transport
Row, and the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
4. according to the method described in claim 3, it is characterized in that, according to the current operating parameter of vehicle, to the EPB electricity of vehicle
The step of sub- control device and P block locking mechanism are controlled further include:
If the operating status of vehicle judges whether vehicle is in heavy grade road scene according to the gradient for dead ship condition；
The P gear mechanical locking mechanism for if being in, controlling the operation of EPB electronic parking executing agency, and controlling vehicle carries out mechanical
Locking parking；
Conversely, the P gear mechanical locking mechanism for then controlling vehicle carries out mechanical locking parking.
5. the method according to claim 1, wherein according to the current operating parameter of vehicle, to the EPB electricity of vehicle
The step of sub- control device and P block locking mechanism are controlled further include:
If vehicle is not in heavy grade road scene, the P gear mechanical locking mechanism for controlling vehicle carries out mechanical locking parking.
6. the method according to claim 1, wherein in the current operating parameter according to vehicle, to the EPB of vehicle
Before the step of electronic parking executing agency and P gear mechanical locking mechanism are controlled, the method also includes:
Judge whether the EPB electronic parking executing agency of vehicle fails；
If failure, the P gear parking mechanical locking mechanism of vehicle is controlled, to carry out parking control to automobile；
If not failing, the current operating parameter according to vehicle is executed, to the EPB electronic parking executing agency of vehicle and P
The step of gear mechanical locking mechanism is controlled.
7. a kind of new-energy automobile parking control device characterized by comprising
Judgment module receives driver's parking request for judging whether；
Control module, if for receiving, according to the current operating parameter of vehicle, to the EPB electronic parking executing agency of vehicle
It is controlled with P gear mechanical locking mechanism, to carry out parking control to automobile.
8. a kind of new-energy automobile parking control system characterized by comprising
EPB electronic parking executing agency, for providing brake force for the wheel of vehicle；
P keeps off mechanical locking mechanism, and transmission system used for vehicles carries out locking；
Control device is used in driver's parking request, according to the current operating parameter of vehicle, to the EPB electronic parking
Executing agency and P gear mechanical locking mechanism are controlled, to carry out parking control to automobile.
9. a kind of automobile, which is characterized in that including new-energy automobile parking control system according to any one of claims 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910466929.6A CN110103913A (en) | 2019-05-31 | 2019-05-31 | A kind of new-energy automobile parking control method, device, system and automobile |
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| CN201910466929.6A CN110103913A (en) | 2019-05-31 | 2019-05-31 | A kind of new-energy automobile parking control method, device, system and automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791719A (en) * | 2020-07-09 | 2020-10-20 | 中国第一汽车股份有限公司 | P-gear parking control method for vehicle, electronic equipment and storage medium |
| CN112572389A (en) * | 2020-12-04 | 2021-03-30 | 东风汽车集团有限公司 | EPB emergency backup control system and control method |
| CN113236758A (en) * | 2021-04-13 | 2021-08-10 | 北京汽车股份有限公司 | Parking control method based on P-gear button, electronic gear shifter and automobile |
| CN113335245A (en) * | 2021-07-28 | 2021-09-03 | 中国第一汽车股份有限公司 | Control method for preventing rolling rejoining of electronic parking brake system from being triggered by mistake |
| CN115848328A (en) * | 2021-09-24 | 2023-03-28 | 重庆长安汽车股份有限公司 | Parking control system and method and vehicle |
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