CN106218627A - It is applied to electronic brake system and the P shelves inter-linked controlling method thereof of motor vehicles - Google Patents
It is applied to electronic brake system and the P shelves inter-linked controlling method thereof of motor vehicles Download PDFInfo
- Publication number
- CN106218627A CN106218627A CN201610707766.2A CN201610707766A CN106218627A CN 106218627 A CN106218627 A CN 106218627A CN 201610707766 A CN201610707766 A CN 201610707766A CN 106218627 A CN106218627 A CN 106218627A
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- China
- Prior art keywords
- control unit
- epb
- vehicle
- shelves
- motor vehicles
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B60T13/74—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 electrical assistance or drive
Abstract
The invention discloses a kind of electronic brake system being applied to motor vehicles, motor vehicles includes gear box control unit, ESC control unit or ABS control unit, vehicle body CAN；The electronic brake system being applied to motor vehicles arranges EPB control unit and EPB actuator；EPB control unit is connected with vehicle body CAN by EPB control unit CAN communication circuit.Use technique scheme, EPB system automatically for vehicle parks provide safeguard protection, completely without P gear mechanism get involved in the case of, support vehicles without slipping by slope risk, elevator motor-car security performance；Arrangement can save P shelves lockable mechanism, and realizes higher level security function, and it provides the benefit that: 1, eliminates P gear mechanism and there is the risk that change speed gear box produces rigid shock；2, while effectively reducing integral vehicle cost, it is achieved the lightweight of car load.
Description
Technical field
The invention belongs to the technical field that motor vehicles parking controls, relate to the electronic brake system being applied to motor vehicles
System.It addition, the invention still further relates to the P shelves inter-linked controlling method of this system.
Background technology
1, developing rapidly along with auto industry, electronic brake system (EPB) because of its operation facility, complete function,
The characteristics such as security performance is high obtain the favor of more and more automobile vendor；
2, car load CAN network technology maturation, the linkage of vehicle different control units node has become trend.
Based on above 2 points, EPB links with other control unit nodes of car load network, solves vehicle existing problems, promotes
Car load quality has become important research direction.
At present, arranging the vehicle of P shelves, P gear mechanism merges in the middle of variator, plays the effect of parking assist.P gear mechanism
Mainly it is made up of spreadet spreadet wheel and lockable mechanism, is combined the fixing change speed gear box being connected with wheel with spreadet spreadet wheel by lockable mechanism
Output shaft, and then locking vehicle.Because P gear mechanism self character limits, there is the defect being difficult to overcome:
1, after human pilot need to stop completely confirming vehicle, just can perform to cut the operation of P shelves, otherwise may cause such as
Lower problem: vehicle moves and causes P gear mechanism stuck, even produces rigid shock to variator；Because the operation of human pilot is deposited
In unstability, this will bring risk to car load P gear mechanism and change speed gear box；
2, car ramp stops, if applying parking braking the most in time, and cuts P shelves, is then likely to result in lockable mechanism and P
Shelves gear is stuck, and resulting even in P shelves cannot unclamp.
Summary of the invention
The present invention provides a kind of electronic brake system being applied to motor vehicles and P shelves inter-linked controlling method, its purpose
It is in the case of completely without the P any intervention of shelves lockable mechanism, by EPB system P shelves inter-linked controlling method, is detecting
When driver selects to cut P shelves, automatically provide safeguard protection for vehicle parks.
To achieve these goals, the technical scheme that the present invention takes is:
The electronic brake system being applied to motor vehicles of the present invention, it is single that described motor vehicles includes that change speed gear box controls
Unit, ESC control unit or ABS control unit, vehicle body CAN；The described electronic brake system being applied to motor vehicles
EPB control unit and EPB actuator are set；Described EPB control unit passes through EPB control unit CAN communication circuit and car
Body CAN is connected.
Described EPB control unit detection driver selects to cut P shelves, it is judged that vehicle is in halted state, and braking is stepped on
Plate is in the state of stepping on, and automatically applies safeguard protection for vehicle.
The mode that described EPB control unit applies safeguard protection for vehicle automatically is: the motor of EPB actuator (14)
Rotate, apply parking braking, it is ensured that vehicle safety state.
Described EPB control unit passes through vehicle body CAN, the current variator gear selecting status number of gear box control unit
According to or built-in P shelves testing circuit, it is judged that driver the most selected cut P shelves.
Described EPB control unit is by vehicle body CAN, ESC control unit or the data of ABS control unit, or base
In built-in brake signal testing circuit, it is judged that Current vehicle brake pedal status.
Described EPB control unit is by vehicle body CAN, ESC control unit or the data of ABS control unit or built-in
Acceleration sensing module data, it is judged that whether Current vehicle remains static；
A, by the wheel speed information of ESC or ABS, it is judged that whether vehicle remains static；
B, by ESC vehicle acceleration information, it is judged that whether vehicle remains static；
C, by EPB built-in acceleration sensing module data, it is judged that whether vehicle remains static.
The electronic brake system of described motor vehicles, the P gear mechanism simplifying corresponding change speed gear box is arranged, saves P shelves
Lockable mechanism, this includes the P shelves lockable mechanism in conventional transmissions and shift-by-wire scheme, it is possible to realize higher level safety
Function.
The present invention uses technique scheme, and compared with prior art, it provides the benefit that: 1, EPB system detects and drives
The person of sailing selects to cut P shelves, automatically provides safeguard protection for vehicle parks, in the case of getting involved completely without P gear mechanism, protects
Barrier vehicle without slipping by slope risk, elevator motor-car security performance；2, the simplification of motor vehicles P gear mechanism: arrangement can save P shelves
Lockable mechanism, this includes the P shelves lockable mechanism in conventional transmissions and shift-by-wire scheme, and realizes the safe merit of higher level
Can, this at least brings following both sides beneficial effect: 1), eliminates P gear mechanism and there is the wind that change speed gear box produces rigid shock
Danger；2), while effectively reducing integral vehicle cost, it is achieved the lightweight of car load.
Accompanying drawing explanation
Content shown in accompanying drawing and the labelling in figure are briefly described as follows:
Fig. 1 is that EPB system realizes P shelves linkage function structural representation；
Fig. 2 is the parking control flow chart of the present invention.
Figure is labeled as:
1, gearbox selector gear position sensor, 2, Wheel speed signal sensor, 3, brake signal sensor, 4, acceleration signal
Sensor, 5, gear box control unit, 6, ESC control unit, or ABS control unit, 7, vehicle body CAN, 8, EPB control single
Unit's acceleration sensing circuit, 9, EPB control unit CAN communication circuit, 10, EPB control unit P shelves testing circuit, 11, EPB control
Brake unit signal deteching circuit processed, 12, EPB control unit main control MCU, 13, EPB control unit, 14, EPB actuator.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, the detailed description of the invention of the present invention is made further details of
Illustrate, to help those skilled in the art that inventive concept, the technical scheme of the present invention are had more complete, accurate and deep reason
Solve.
The structure of the present invention as shown in Figure 1, for being applied to the electronic brake system (EPB) of motor vehicles, relates to one
Plant parking braking control system and the control method being applied to automatic transmission.Described motor vehicles includes gear box control unit
5 (TCU), ESC control unit 6 (electronic stabilization device control unit) or ABS control unit (braking anti-lock control unit), car
Body CAN 7；
In order to solve the problem that prior art exists the defect overcoming automatic transmission vehicle P gear mechanism to exist, it is achieved this
Bright purpose, the technical scheme that the present invention takes is:
As it is shown in figure 1, the electronic brake system (EPB) being applied to motor vehicles of the present invention arranges EPB control unit
13 and EPB actuators 14；Described EPB control unit 13 is by EPB control unit CAN communication circuit 9 and vehicle body CAN
7 are connected.
EPB control unit 13 is connected with vehicle body CAN 7, obtains gear and selects information and the status information of vehicle；Electronics
Parking braking control unit 13 and gear box control unit 5 (TCU) realize function coordinated signals by CAN network.
The present invention realizes in the case of completely without any intervention of P gear mechanism, by EPB system P shelves coordinated signals
Method, when detecting that driver selects to cut P shelves, stops providing safeguard protection for vehicle automatically.
The present invention uses technique scheme to provide the benefit that:
1, security performance is improved: applied the function of protection by EPB system, P gear mechanism parking assist can be substituted completely
Function, and provide the safeguard protection of higher level；
2, cost and car load lightweight are reduced: arrangement can save P gear mechanism, and realizes the safe merit of higher level
Can, while effectively reducing integral vehicle cost, more can realize the lightweight of car load.
3, change speed gear box P gear mechanism and the protection of rigid shock: in the case of arrangement P gear mechanism, it is possible to realize P
Gear mechanism and existence thereof produce the protection of rigid shock to change speed gear box.
Described gear box control unit 5 (TCU) is connected with gearbox selector gear position sensor 1.
Described gear box control unit 5 (TCU) is connected with vehicle body CAN 7.
Described ESC control unit 6 is connected with vehicle body CAN 7.
Described ESC control unit 6 is connected with Wheel speed signal sensor 2, acceleration signal sensor 5.
Described brake signal sensor 3 is connected with vehicle body CAN 7.
Described EPB control unit 13 arranges EPB control unit acceleration sensing circuit 8, EPB control unit CAN communication
Circuit 9, EPB control unit P shelves testing circuit 10 and EPB control unit brake signal testing circuit 11.
Described EPB control unit acceleration sensing circuit 8, EPB control unit CAN communication circuit 9, EPB control unit P
Shelves testing circuit 10 and EPB control unit brake signal testing circuit 11 is all connected with EPB control unit main control MCU 12.
In order to realize the goal of the invention identical with technique scheme, present invention also offers and above-described be applied to machine
The P shelves inter-linked controlling method of the electronic brake system of motor-car.
As in figure 2 it is shown, the P shelves inter-linked controlling method of the electronic brake system being applied to motor vehicles of the present invention includes
Following steps:
Step S1, judge current gearshift position select device whether select P shelves (parking position switch), if it is confirmed that gear selection position is
P shelves, then perform step S2；
Step S2, EPB control unit 13 calculate whether vehicle is in halted state, if it is confirmed that vehicle is in stopping shape
State, then perform step S3；
Step S3, EPB control unit 13 control EPB actuator 15 and perform parking.
Flow process shown in Fig. 2 is: step S1, it is judged that current gearshift position selects device to select parking position switch (P shelves)；Step
S2, EPB control unit 13 calculates whether vehicle is in halted state；Step S3, EPB control unit 13 controls EPB actuator
14 parkings.
Described EPB control unit 13 is by vehicle body CAN 7, the current variator of gear box control unit 5 (TCU)
Gear selecting status data or built-in P shelves testing circuit, it is judged that driver has selected to cut P shelves the most.
Described EPB control unit 13 passes through vehicle body CAN 7, ESC control unit 6 or the data of ABS control unit,
Or based on built-in brake signal testing circuit, it is judged that Current vehicle brake pedal status.
Described EPB control unit 13 is believed by the wheel speed of vehicle body CAN 7, ESC control unit 7 or ABS control unit
The information data of number sensor 2, it is judged that whether Current vehicle remains static；
Or, described EPB control unit 13 is by the built-in acceleration signal of vehicle body CAN 7, ESC control unit 6
The information data of sensor 4, it is judged that whether Current vehicle remains static；
Or, described EPB control unit 13 is by the Information Number of built-in EPB control unit acceleration sensing circuit 8
According to, it is judged that whether Current vehicle remains static.
1, by ESC (ABS) wheel speed information, it is judged that whether vehicle remains static；2, believed by ESC vehicle acceleration
Breath, it is judged that whether vehicle remains static；3, by EPB built-in acceleration sensing module data, it is judged that whether vehicle is in
Resting state.
Described EPB control unit 13 detects driver and selects to cut P shelves, it is judged that vehicle is in halted state, and braking
Pedal is in the state of stepping on, and automatically applies safeguard protection for vehicle.The mode of its protection is: described EPB control unit 13 is certainly
The mode for vehicle applying safeguard protection of moving is: the electric machine rotation of EPB actuator 14, applies parking braking, it is ensured that vehicle is pacified
Total state.
Above in conjunction with accompanying drawing, the present invention is exemplarily described, it is clear that the present invention implements not by aforesaid way
Restriction, as long as have employed the method design of the present invention and the improvement of various unsubstantialities that technical scheme is carried out, or without changing
Enter and design and the technical scheme of the present invention are directly applied to other occasion, all within protection scope of the present invention.
Claims (6)
1. be applied to an electronic brake system for motor vehicles, described motor vehicles include gear box control unit (5),
ESC control unit (6) or ABS control unit, vehicle body CAN (7)；It is characterized in that: the described electricity being applied to motor vehicles
Sub-parking braking system arranges EPB control unit (13) and EPB actuator (14)；Described EPB control unit (13) is passed through
EPB control unit CAN communication circuit (9) is connected with vehicle body CAN (7).
2., according to the P shelves inter-linked controlling method of the electronic brake system being applied to motor vehicles described in claim 1, it is special
Levy and be: described EPB control unit (13) detection driver selects to cut P shelves, it is judged that vehicle is in halted state, and braking
Pedal is in the state of stepping on, and automatically applies safeguard protection for vehicle.
3., according to the P shelves inter-linked controlling method of the electronic brake system being applied to motor vehicles described in claim 2, it is special
Levy and be: the mode that described EPB control unit (13) applies safeguard protection for vehicle automatically is: EPB actuator (14)
Electric machine rotation, applies parking braking, it is ensured that vehicle safety state.
4., according to the P shelves inter-linked controlling method of the electronic brake system being applied to motor vehicles described in claim 1, it is special
Levy and be: described EPB control unit (13) passes through vehicle body CAN (7), the current variator of gear box control unit (5)
Gear selecting status data or built-in P shelves testing circuit data, it is judged that driver has selected to cut P shelves the most.
5., according to the P shelves inter-linked controlling method of the electronic brake system being applied to motor vehicles described in claim 1, it is special
Levy and be: described EPB control unit (13) passes through vehicle body CAN (7), ESC control unit (6) or ABS control unit
Data, or based on built-in brake signal testing circuit, it is judged that Current vehicle brake pedal status.
6. according to the electronic brake system P shelves inter-linked controlling method being applied to motor vehicles described in claim 1, its feature
It is: described EPB control unit (13) is by vehicle body CAN (7), ESC control unit (7) or the number of ABS control unit
According to or built-in acceleration sensing module data, it is judged that whether Current vehicle remains static；
A, by ESC (ABS) wheel speed information, it is judged that whether vehicle remains static；
B, by ESC vehicle acceleration information, it is judged that whether vehicle remains static；
C, by EPB built-in acceleration sensing module data, it is judged that whether vehicle remains static.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707766.2A CN106218627A (en) | 2016-08-23 | 2016-08-23 | It is applied to electronic brake system and the P shelves inter-linked controlling method thereof of motor vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707766.2A CN106218627A (en) | 2016-08-23 | 2016-08-23 | It is applied to electronic brake system and the P shelves inter-linked controlling method thereof of motor vehicles |
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| Publication Number | Publication Date |
|---|---|
| CN106218627A true CN106218627A (en) | 2016-12-14 |
Family
ID=57553932
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707766.2A Pending CN106218627A (en) | 2016-08-23 | 2016-08-23 | It is applied to electronic brake system and the P shelves inter-linked controlling method thereof of motor vehicles |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023678A (en) * | 2017-03-21 | 2017-08-08 | 北京长城华冠汽车科技股份有限公司 | The parking method and device of electric vehicle |
| CN108170114A (en) * | 2017-11-20 | 2018-06-15 | 浙江亚太机电股份有限公司 | A kind of EPB control systems of band failure backup functionality |
| CN108177557A (en) * | 2017-11-20 | 2018-06-19 | 浙江亚太机电股份有限公司 | A kind of electric vehicle P keeps off parking control system |
| CN108177558A (en) * | 2017-11-20 | 2018-06-19 | 浙江亚太机电股份有限公司 | A kind of parking electric automobile control system |
| CN108297852A (en) * | 2018-01-03 | 2018-07-20 | 江苏大学 | A kind of ramp parking device and its control method for caravan trailer |
| CN109204281A (en) * | 2018-09-27 | 2019-01-15 | 芜湖伯特利汽车安全系统股份有限公司 | Braking system and its control method with dual control independent control function |
| CN110435622A (en) * | 2019-08-12 | 2019-11-12 | 格陆博科技有限公司 | A kind of electronic parking and P grade parking control system applied to motor vehicle |
| CN111605529A (en) * | 2020-05-18 | 2020-09-01 | 奇瑞商用车（安徽）有限公司 | P-gear linkage EPB control system of pure electric vehicle and control method thereof |
| CN115257663A (en) * | 2021-04-29 | 2022-11-01 | 重庆长安汽车股份有限公司 | Parking braking method and system and vehicle |
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| CN206217872U (en) * | 2016-08-23 | 2017-06-06 | 芜湖伯特利汽车安全系统股份有限公司 | It is applied to the electronic brake system of motor vehicle |
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| WO2007107386A1 (en) * | 2006-03-23 | 2007-09-27 | Continental Automotive Gmbh | Electric parking brake having a control element for switching into a service mode |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023678A (en) * | 2017-03-21 | 2017-08-08 | 北京长城华冠汽车科技股份有限公司 | The parking method and device of electric vehicle |
| CN107023678B (en) * | 2017-03-21 | 2019-05-28 | 北京长城华冠汽车科技股份有限公司 | The parking method and device of electric vehicle |
| CN108170114A (en) * | 2017-11-20 | 2018-06-15 | 浙江亚太机电股份有限公司 | A kind of EPB control systems of band failure backup functionality |
| CN108177557A (en) * | 2017-11-20 | 2018-06-19 | 浙江亚太机电股份有限公司 | A kind of electric vehicle P keeps off parking control system |
| CN108177558A (en) * | 2017-11-20 | 2018-06-19 | 浙江亚太机电股份有限公司 | A kind of parking electric automobile control system |
| CN108297852A (en) * | 2018-01-03 | 2018-07-20 | 江苏大学 | A kind of ramp parking device and its control method for caravan trailer |
| CN108297852B (en) * | 2018-01-03 | 2020-01-24 | 江苏大学 | Ramp parking device for pull type motor home and control method thereof |
| CN109204281A (en) * | 2018-09-27 | 2019-01-15 | 芜湖伯特利汽车安全系统股份有限公司 | Braking system and its control method with dual control independent control function |
| CN110435622A (en) * | 2019-08-12 | 2019-11-12 | 格陆博科技有限公司 | A kind of electronic parking and P grade parking control system applied to motor vehicle |
| CN111605529A (en) * | 2020-05-18 | 2020-09-01 | 奇瑞商用车（安徽）有限公司 | P-gear linkage EPB control system of pure electric vehicle and control method thereof |
| CN115257663A (en) * | 2021-04-29 | 2022-11-01 | 重庆长安汽车股份有限公司 | Parking braking method and system and vehicle |
| CN115257663B (en) * | 2021-04-29 | 2024-04-16 | 重庆长安汽车股份有限公司 | Parking braking method and system and vehicle |
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Application publication date: 20161214 |