CN109204279A - A kind of control method and device of parking braking system - Google Patents
A kind of control method and device of parking braking system Download PDFInfo
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- CN109204279A CN109204279A CN201811326505.1A CN201811326505A CN109204279A CN 109204279 A CN109204279 A CN 109204279A CN 201811326505 A CN201811326505 A CN 201811326505A CN 109204279 A CN109204279 A CN 109204279A
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- Prior art keywords
- parking braking
- braking system
- solenoid valve
- threshold range
- parking
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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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The embodiment of the present invention proposes a kind of control method and device of parking braking system.When entering parking braking mode, receive the hydrodynamic forces that the brake pedal that pedal sensor is sent is stepped in signal and the wheel cylinder of hydrostatic sensor transmission, when hydrodynamic forces are not in preset first threshold range, regulate and control hydraulic regulating unit, make the hydrodynamic forces in wheel cylinder in first threshold range, it controls solenoid valve and closed state is switched to by opening state, keep the hydrodynamic forces in wheel cylinder in first threshold range, the frictional force between wheel cylinder and brake disc is set to be greater than threshold value and stabilization, automobile is avoided to slide, to avoid that necessary traffic accident occurs, unnecessary loss loss, promote the safety of automobile.
Description
Technical field
The present invention relates to automobile technical fields, in particular to a kind of control method and device of parking braking system.
Background technique
With the development of society, automobile is more more and more universal.Universal along with automobile, traffic safety problem is also more and more,
Wherein, because brake is unstable, brake is out of control or forgets that the traffic accident accounting for braking caused is also very big, parking peace
Full problem, it is self-evident for the importance of traffic safety.
Automobile often using mechanical parking brake or is independently arranged electronic parking system at present.Mechanical parking brake often designs
On the right side of driver's seat, larger space is occupied, driver misses hand-touch brake when driving or parking brake does not tense or forgets in parking
It pulls the hand brake, often will cause serious accident, there are security risks.The current existing electronic parking system that is independently arranged needs list
Only controller and executing agency, at high cost, occupied space more wastes.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of control method and device of parking braking system.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, being applied to controller, institute the embodiment of the invention provides a kind of control method of parking braking system
Controller application is stated in the parking braking system, the parking braking system further includes master cylinder, wheel cylinder, solenoid valve, steps on
Plate sensor, hydrostatic sensor and hydraulic regulating unit, the master cylinder, the hydraulic regulating unit, the solenoid valve
And the wheel cylinder is sequentially turned on by pipeline, the step of control method of the parking braking system includes:
When entering parking braking mode, receives the brake pedal that the pedal sensor is sent and step on signal and described
Hydrodynamic forces in the wheel cylinder of hydrostatic sensor transmission；
When the hydrodynamic forces are not in preset first threshold range, regulate and control the hydraulic regulating unit, makes described dynamic
Hydraulic coupling is in the first threshold range；
It controls the solenoid valve and closed state is switched to by opening state.
Second aspect, the embodiment of the invention also provides a kind of control devices of parking braking system, are applied to controller,
The controller application in the parking braking system, the parking braking system further include master cylinder, wheel cylinder, solenoid valve,
Pedal sensor, hydrostatic sensor and hydraulic regulating unit, the master cylinder, the hydraulic regulating unit, the electromagnetism
Valve and the wheel cylinder are sequentially turned on by pipeline, and the control device of the parking braking system includes:
Information receiving unit is stepped on for when entering parking braking mode, receiving the brake that the pedal sensor is sent
Plate steps on hydrodynamic forces in signal and the wheel cylinder of hydrostatic sensor transmission；
Hydraulic administrative unit, for when the hydrodynamic forces are not in preset first threshold range, regulation to be described hydraulic
Regulate and control unit, makes the hydrodynamic forces in the first threshold range；
Solenoid valve administrative unit is switched to closed state by opening state for controlling the solenoid valve.
The beneficial effect of the control method and device of parking braking system provided in an embodiment of the present invention is: when enter parking
When braking mode, receives the brake pedal that pedal sensor is sent and step on moving in the wheel cylinder that signal and hydrostatic sensor transmit
Hydraulic coupling, when hydrodynamic forces are not in preset first threshold range, regulation hydraulic regulating unit makes the hydrodynamic forces in wheel cylinder
In first threshold range, control solenoid valve is switched to closed state by opening state, keeps hydrodynamic forces in wheel cylinder the
In one threshold range, so that the frictional force between wheel cylinder and brake disc is greater than threshold value and stabilization, avoid automobile from sliding, to avoid sending out
Raw necessary traffic accident, unnecessary loss loss, promote the safety of automobile.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the structural schematic diagram of parking braking system provided in an embodiment of the present invention；
Fig. 2 shows the circuit connection block diagrams of parking braking system provided in an embodiment of the present invention；
Fig. 3 shows the step flow diagram of the control method of parking braking system provided in an embodiment of the present invention；
Fig. 4 shows the sub-step process of the control method step S104 of parking braking system provided in an embodiment of the present invention
Schematic diagram；
Fig. 5 shows a kind of application environment signal of the control method of parking braking system provided in an embodiment of the present invention
Figure；
Fig. 6 shows the functional unit block diagram of the control device of parking braking system provided in an embodiment of the present invention.
Icon: 10- parking braking system；20- weather server；101- controller；102- pedal sensor；103- electromagnetism
Valve；104- hydrostatic sensor；105- hydraulic regulating unit；106- brake pedal；107- master cylinder；108- braking oilcan；
109- vacuum booster；110- wheel cylinder；111- brake disc；112- human-computer interaction module；113- memory；200- parking braking system
The control device of system；201- information receiving unit；The hydraulic administrative unit of 202-；203- solenoid valve administrative unit；204- mode into
Enter unit；205- mode exits unit.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
Fig. 1, Fig. 2 shows present pre-ferred embodiments provide parking braking system control method application environment,
The control method of the parking braking system is applied to controller 101, and controller 101 is applied to parking braking system 10.Parking system
The control method of dynamic system also can be applied to based on body electronics stabilitrak (Electronic Stability
Controller, ESC) parking braking control system.
Parking braking system 10 further includes human-computer interaction module 112, memory 113, brake pedal 106, vacuum booster
109, master cylinder 107, braking oilcan 108, pedal sensor 102, wheel cylinder 110, brake disc 111, solenoid valve 103, hydraulic biography
Sensor 104 and hydraulic regulating unit 105.
As shown in Figure 1, master cylinder 107, hydraulic regulating unit 105, solenoid valve 103 and wheel cylinder 110 by pipeline according to
Secondary conducting.Braking oilcan 108 and master cylinder 107 are oppositely arranged.Brake pedal 106, vacuum booster 109, master cylinder 107
Successively it is oppositely arranged.Brake disc 111 and wheel cylinder 110 are oppositely arranged.
As shown in Fig. 2, controller 101 respectively with human-computer interaction module 112, memory 113, pedal sensor 102, electromagnetism
Valve 103, hydrostatic sensor 104 and hydraulic regulating unit 105 are electrically connected.
The software program and module that controller 101 is stored in memory 113 by operation, thereby executing various functions
Using and data processing, such as parking braking system provided in an embodiment of the present invention control method.Controller 101 can be vehicle
The control unit of body electronic stability controlling system (Electronic Stability Controller, ESC), is also possible to
Digital signal processor (digital signal processing, DSP), programmable logic device (Complex
Programmable Logic Device, CPLD), field programmable gate array (Field-Programmable Gate Array,
FPGA), any one of single-chip microcontroller does not do any restriction herein.
Memory 113 can be used for storing software program and module, as in the embodiment of the present invention picture processing unit and
Program instruction/module corresponding to method.The control device 200 of parking braking system includes at least one can be with software or firmware
(firmware) form is stored in memory 113 or is solidificated in the operating system (operating of controller 101
System, OS) in software function module.
Memory 113 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.Controller 101 and other possible components are to storage
The access of device 113 can carry out under the control of storage control.
Human-computer interaction module 112 can be but not limited to switch button or touch control screen, close for acquiring operator
The instruction of parking system is closed or opened, and controller 101 is issued into collected instruction.
Pedal sensor 102 is set to the side of brake pedal 106, steps on signal for acquiring brake pedal, and by institute
The brake pedal of acquisition steps on signal and is sent to controller 101.
Solenoid valve 103 receives the control of controller 101, by changing the state that closes or opens, controls hydraulic regulating unit
Pipeline conducting or blocking between 105 and wheel cylinder 110.Solenoid valve 103 can use but be not limited to guide electromagnetic valve or straight
Type solenoid valve.
Hydrostatic sensor 104 is set in wheel cylinder 110, for detecting the hydrodynamic forces in wheel cylinder 110, and will test
Hydrodynamic forces are transferred to controller 101.
Hydraulic regulating unit 105 receives the control of controller 101, for adjusting the hydrodynamic forces size in wheel cylinder 110.Liquid
Pressure regulation unit 105 can be the hydraulic regulation unit (Hydraulic Control Unit, HCU) of automobile ESC, not do herein
It limits.
Fig. 3 shows the process step of the control method of the parking braking system applied to above-mentioned environment, comprising:
Step S101: it laggard is entered in the instruction for obtaining the starting parking braking system 10 that human-computer interaction module 112 transmits
Vehicle braking mode.
Specifically, at least both of which in terms of braking of controller 101, parking brake module and non-parking braking mould
Formula.Rather than parking braking mode includes service brake mode.When controller 101 does not obtain opening for the transmission of human-computer interaction module 112
When the instruction of dynamic parking braking system 10, controller 101 is in non-parking braking mode, and solenoid valve 103 is kept to be in normally opened shape
State, automobile can normally service brakes.When controller 101 obtains the starting parking braking system that human-computer interaction module 112 transmits
After the instruction of system 10, controller 101 enters parking braking mode.
Step S102: it receives the brake pedal that pedal sensor 102 is sent and steps on signal and the transmission of hydrostatic sensor 104
Wheel cylinder in hydrodynamic forces.
Specifically, after controller 101 enters parking braking mode, in the brake for receiving the transmission of pedal sensor 102
When pedal steps on signal, the hydrodynamic forces in the wheel cylinder 110 that hydrostatic sensor 104 transmits are received.
When the brake pedal for receiving the transmission of pedal sensor 102 steps on signal, represents driver and want stopping.
Step S103: do you judge hydrodynamic forces in preset first threshold range? if so, thening follow the steps S105；
If it is not, thening follow the steps S104.
Specifically, after controller 101 receives the hydrodynamic forces that hydrostatic sensor 104 transmits, whether judge the hydrodynamic forces
In preset first threshold range? if not, the hydraulic deficiency in possible wheel cylinder 110, produces between wheel cylinder 110 and brake disc 111
Raw frictional force is insufficient, unstable so as to cause stopping, and if automobile is not checked, may cause traffic accident and unnecessary damage
It loses；It is hydraulic too strong in possible wheel cylinder 110, so that equipment is generated unnecessary loss.
Wherein, preset first threshold range, which can be, is directly set as 4.9 megapascal to 5.1 megapascal or other are specific
Numberical range, with reference to the characteristic of automobile itself, such as, but not limited to quality, material.
First threshold range can also be arranged by process step as shown in Figure 4:
Step S1041: the same day weather condition that weather server 20 transmits is received.
Specifically, as shown in figure 5, controller 101 is counted by wired or wireless network with weather server 20
According to interaction.In automobile starting or when Changes in weather, controller 101 receives the same day weather condition that weather server 20 transmits,
Such as light rain, heavy snow or fine day.
Step S1042: same day threshold range is generated according to same day weather condition and weather condition-threshold value relation table.
Specifically, because for different weather, the frictional force between ground and wheel is different, to stop in specific position
Brake weight required for vehicle is different.It is provided under different weather in weather condition-threshold value relation table, when parking braking, wheel
The range that hydrodynamic forces are kept in cylinder 110.Same day threshold value model is generated according to same day weather condition and weather condition-threshold value relation table
It encloses, it is more rationally, safer.
Step S1043: same day threshold range is preset as first threshold range.
First threshold range can also be arranged in the following way:
Controller 101 receives the acceleration information for being installed on the acceleration transducer transmission of vehicle body, and controller 101 is according to adding
Velocity information and car body weight calculate brake weight required for stablizing parking and will answer so that range of pressure values should be needed by calculating
Range of pressure values is needed to be set as first threshold range.
Step S104: regulation hydraulic regulating unit 105 makes hydrodynamic forces in first threshold range.
Specifically, hydraulic regulating unit 105 has function of increasing pressure and decompression, and controller 101 regulates and controls hydraulic regulating list
Member 105, makes the hydrodynamic forces in wheel cylinder 110 in first threshold range, to avoid occurring necessary traffic accident, unnecessary
Loss loss etc..
Step S105: control solenoid valve 103 is switched to closed state by opening state.
Specifically, when solenoid valve 103 is closed, the pipeline between hydraulic regulating unit 105 and wheel cylinder 110 is blocked, wheel cylinder
Hydrodynamic forces in 110 remain in first threshold range, keep parking reliable, ensure that safety.
Step S106: after the instruction for obtaining the closing parking braking system 10 that human-computer interaction module 112 transmits, controller
101 exit parking braking mode, and control solenoid valve 103 maintains a normally open.
Specifically, controller 101 is in the instruction for obtaining the closing parking braking system 10 that human-computer interaction module 112 transmits
Afterwards, parking braking mode is exited, into non-parking braking mode, such as service brake mode, needs to keep solenoid valve 103 at this time
It is normally opened.
Referring to Fig. 6, Fig. 6 is the control device 200 for the parking braking system that present pre-ferred embodiments provide.It needs
It is bright, the control device 200 of parking braking system provided by the present embodiment, the technical effect of basic principle and generation and
Above-described embodiment is identical, and to briefly describe, the present embodiment part does not refer to place, can refer in corresponding in the above embodiments
Hold.
The control device 200 of parking braking system includes: information receiving unit 201, hydraulic administrative unit 202, solenoid valve
Administrative unit 203, mode enter unit 204 and mode exits unit 205.
Mode enters unit 204, in the finger for obtaining the starting parking braking system 10 that human-computer interaction module 112 transmits
Enter parking braking mode after order.Specifically, mode, which enters unit 204, can execute step S101.
Information receiving unit 201, for when entering parking braking mode, receiving the brake that pedal sensor 102 is sent
Pedal steps on hydrodynamic forces in the wheel cylinder that signal and hydrostatic sensor 104 transmit.Specifically, information receiving unit 201 can
To execute step S102.
Hydraulic administrative unit 202 regulates and controls hydraulic regulating list for working as hydrodynamic forces not in preset first threshold range
Member 105, makes hydrodynamic forces in first threshold range.Specifically, hydraulic administrative unit 202 can execute step S103 and step
S104。
Wherein, first threshold range is 4.9 megapascal to 5.1 megapascal.
First threshold range can also be arranged with such as under type:
Information receiving unit 201 is also used to receive the same day weather condition of the transmission of weather server 20.Specifically, information connects
Step S1041 can be executed by receiving unit 201.
And hydraulic administrative unit 202 includes:
Threshold generation module: for generating same day threshold value model according to same day weather condition and weather condition-threshold value relation table
It encloses.Specifically, threshold generation module can execute step S1042.
Threshold setting module, for same day threshold range to be preset as first threshold range.Specifically, threshold setting module
Step S1043 can be executed.
Solenoid valve administrative unit 203 is switched to closed state by opening state for controlling solenoid valve 103.Specifically, electric
Magnet valve administrative unit 203 can execute step S105.
Wherein, solenoid valve 103 is guide electromagnetic valve or direct-acting electromagnetic valve.
Mode exits unit 205, in the finger for obtaining the closing parking braking system 10 that human-computer interaction module 112 transmits
After order, controller 101 exits parking braking mode, and control solenoid valve 103 maintains a normally open.Specifically, mode exit unit 205 can
To execute step S106.
In conclusion present pre-ferred embodiments provide parking braking system control method and device: firstly, when into
When entering parking braking mode, the wheel cylinder that the brake pedal that pedal sensor is sent steps on signal and hydrostatic sensor transmission is received
Interior hydrodynamic forces, when hydrodynamic forces are not in preset first threshold range, regulation hydraulic regulating unit makes dynamic in wheel cylinder
For hydraulic coupling in first threshold range, control solenoid valve is switched to closed state by opening state, keeps the hydrodynamic pressure in wheel cylinder
Power makes the frictional force between wheel cylinder and brake disc be greater than threshold value and stabilization, automobile is avoided to slide in first threshold range, thus
It avoids that necessary traffic accident, unnecessary loss loss occurs, promotes the safety of automobile；Secondly, first threshold range according to
It is specifically set according to weather condition, more rationally, safely；Finally, service brake mould can be entered when exiting parking braking mode
Formula, two sets of braking systems is synthesized a set of, is greatly reduced manufacturing cost, and save space.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control method of parking braking system is applied to controller, the controller application is in the parking braking system
System, the parking braking system further includes master cylinder, wheel cylinder, solenoid valve, pedal sensor, hydrostatic sensor and hydraulic tune
Unit is controlled, the master cylinder, the hydraulic regulating unit, the solenoid valve and the wheel cylinder are sequentially turned on by pipeline,
It is characterized in that, the step of control method of the parking braking system, includes:
When entering parking braking mode, receives the brake pedal that the pedal sensor is sent and step on signal and described hydraulic
Hydrodynamic forces in the wheel cylinder of sensor transmission；
When the hydrodynamic forces are not in preset first threshold range, regulate and control the hydraulic regulating unit, make the hydrodynamic pressure
Power is in the first threshold range；
It controls the solenoid valve and closed state is switched to by opening state.
2. the control method of parking braking system according to claim 1, which is characterized in that the first threshold range is
- 5.1 megapascal of 4.9 megapascal.
3. the control method of parking braking system according to claim 1, which is characterized in that the parking braking system
The step of control method further include:
Receive the same day weather condition of weather server transmission；
Same day threshold range is generated according to the same day weather condition and weather condition-threshold value relation table；
The same day threshold range is preset as the first threshold range.
4. the control method of parking braking system according to claim 1, which is characterized in that work as described into parking system
When dynamic model formula, receives the brake pedal that the pedal sensor is sent and step on signal and receive the hydrostatic sensor transmission
Before the step of hydrodynamic forces in the master cylinder, the step of the control method of the parking braking system further include:
Enter parking braking mode after the instruction for the starting parking braking system for obtaining human-computer interaction module transmission；
The step of control method of the parking braking system further include:
After obtaining the instruction of closing parking braking system of the human-computer interaction module transmission, the controller exits parking system
Dynamic model formula controls the solenoid valve and maintains a normally open.
5. the control method of parking braking system according to claim 1, which is characterized in that the solenoid valve is pilot-operated type
Solenoid valve or direct-acting electromagnetic valve.
6. a kind of control device of parking braking system is applied to controller, the controller application is in the parking braking system
System, the parking braking system further includes master cylinder, wheel cylinder, solenoid valve, pedal sensor, hydrostatic sensor and hydraulic tune
Unit is controlled, the master cylinder, the hydraulic regulating unit, the solenoid valve and the wheel cylinder are sequentially turned on by pipeline,
It is characterized in that, the control device of the parking braking system includes:
Information receiving unit is stepped on for when entering parking braking mode, receiving the brake pedal that the pedal sensor is sent
Hydrodynamic forces in dynamic signal and the wheel cylinder of hydrostatic sensor transmission；
Hydraulic administrative unit regulates and controls the hydraulic regulating for working as the hydrodynamic forces not in preset first threshold range
Unit makes the hydrodynamic forces in the first threshold range；
Solenoid valve administrative unit is switched to closed state by opening state for controlling the solenoid valve.
7. the control device of parking braking system according to claim 6, which is characterized in that the first threshold range is
- 5.1 megapascal of 4.9 megapascal.
8. the control device of parking braking system according to claim 6, which is characterized in that
The information receiving unit is also used to receive the same day weather condition of weather server transmission；
The hydraulic administrative unit includes:
Threshold generation module: for generating same day threshold value model according to the same day weather condition and weather condition-threshold value relation table
It encloses；
Threshold setting module, for the same day threshold range to be preset as the first threshold range.
9. the control device of parking braking system according to claim 6, which is characterized in that the parking braking system
Control device further include:
Mode enters unit, for entering parking after the instruction for the starting parking braking system for obtaining human-computer interaction module transmission
Braking mode；
Mode exits unit, after closing the instruction of parking braking system for what is transmitted in the acquisition human-computer interaction module, institute
It states controller and exits parking braking mode, control the solenoid valve and maintain a normally open.
10. the control device of parking braking system according to claim 6, which is characterized in that the solenoid valve is guide
Formula solenoid valve or direct-acting electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326505.1A CN109204279B (en) | 2018-11-08 | 2018-11-08 | Control method and device of parking brake system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326505.1A CN109204279B (en) | 2018-11-08 | 2018-11-08 | Control method and device of parking brake system |
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| CN109204279A true CN109204279A (en) | 2019-01-15 |
| CN109204279B CN109204279B (en) | 2022-08-26 |
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| CN201811326505.1A Active CN109204279B (en) | 2018-11-08 | 2018-11-08 | Control method and device of parking brake system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112740893A (en) * | 2019-10-29 | 2021-05-04 | 南京德朔实业有限公司 | Riding type mower |
| CN114620017A (en) * | 2022-03-14 | 2022-06-14 | 菲格智能科技有限公司 | Vehicle, control method and device of brake system of vehicle, controller and storage medium |
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| KR20170025139A (en) * | 2015-08-27 | 2017-03-08 | 이래오토모티브시스템 주식회사 | Electrical Parking Brake System Using Electrical Switch Module and Operating Method thereof |
| CN107128297A (en) * | 2016-01-29 | 2017-09-05 | 通用汽车环球科技运作有限责任公司 | Motor vehicle braking system Gernral Check-up, prediction and annunciator |
| CN108162944A (en) * | 2016-12-07 | 2018-06-15 | 现代自动车株式会社 | For controlling the system of the automatic parking of vehicle |
| CN207510412U (en) * | 2017-11-23 | 2018-06-19 | 华南理工大学 | A kind of master cylinder for taking into account parking and service brake |
| CN107945556A (en) * | 2017-12-07 | 2018-04-20 | 华蓝设计（集团）有限公司 | A kind of dynamic speed limit optimal control method under through street adverse weather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112740893A (en) * | 2019-10-29 | 2021-05-04 | 南京德朔实业有限公司 | Riding type mower |
| CN112740893B (en) * | 2019-10-29 | 2023-09-08 | 南京泉峰科技有限公司 | Riding mower |
| CN114620017A (en) * | 2022-03-14 | 2022-06-14 | 菲格智能科技有限公司 | Vehicle, control method and device of brake system of vehicle, controller and storage medium |
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Application publication date: 20190115 Assignee: TIANJIN SOTEREA AUTOMOTIVE TECHNOLOGY Co.,Ltd. Assignor: TSINGHUA University Contract record no.: X2020990000173 Denomination of invention: A control method and device for a parking brake system License type: Common License Record date: 20200413 |
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