CN106314406A - Control method and device of brake boosting system - Google Patents
Control method and device of brake boosting system Download PDFInfo
- Publication number
- CN106314406A CN106314406A CN201610801229.4A CN201610801229A CN106314406A CN 106314406 A CN106314406 A CN 106314406A CN 201610801229 A CN201610801229 A CN 201610801229A CN 106314406 A CN106314406 A CN 106314406A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- vacuum
- described vacuum
- vacuum pressure
- electromagnetic interference
- Prior art date
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims description 52
- 230000036039 immunity Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000013021 overheating Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- 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
- B60T13/72—Electrical control in fluid-pressure brake systems in vacuum systems or vacuum booster units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention provides a control method and a device of a brake boosting system, wherein the brake boosting system comprises a vacuum booster, a vacuum pump connected with the vacuum booster and a vacuum pressure sensor used for detecting the vacuum degree in the vacuum booster, and the control method comprises the following steps: monitoring the current working state of the vacuum pressure sensor; detecting whether the vacuum pressure sensor is in an electromagnetic interference state currently or not according to the current working state of the vacuum pressure sensor; when the vacuum pressure sensor is in an electromagnetic interference state, controlling the vacuum pump to switch to an anti-interference mode to work; and when the vacuum pressure sensor is in a non-electromagnetic interference state, controlling the vacuum pump to switch to a normal mode to work. The invention can effectively relieve the problems of frequent and unexpected opening of the vacuum pump caused by electromagnetic interference, overheating and even burning of the vacuum pump caused by the frequent and unexpected opening of the vacuum pump, eliminates potential safety hazards and simultaneously ensures the braking assistance requirement of a driver.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to control method and the device of a kind of force aid system for braking.
Background technology
In the face of increasingly severe energy and environment problem, conventional fuel oil automobile is to the increase of petroleum resources demand and brings
Environmental pollution the most day by day cause the concern of people, the most energy-conservation focus just becoming various countries' research with new-energy automobile.
The great attention of government and industrial quarters, development has been obtained as the energy-conservation of one of China's emerging strategic industries and new-energy automobile
New-energy automobile, especially has the pure electric automobile of no pollution, zero-emission, not only to Chinese energy safety, environmental conservation tool
Being of great importance, Ye Shi China automotive field realizes the important directions of transition and upgrade, technological break-through simultaneously, be automotive field from now on
The trend of development.
Different from conventional fuel oil car, the energy source of pure electric automobile is in high voltage power battery, super capacitor etc., and utilizes
Motor replaces internal combustion engine to drive actuator, to reach the purpose of normal vehicle operation.Compared with conventional fuel oil car, pure electronic vapour
A large amount of in car using power equipments and device, this makes pure electric automobile have zero-emission, a plurality of advantages such as pollution-free, but and this
Meanwhile, also this problem that can not be ignored of electromagnetic compatibility is brought for pure electric automobile.Pure electric automobile in the process of moving, car
On power equipment subject the impact from the outer various electromagnetic interference source of Che Nei and car, and the electromagnetic interference source in car
Comprehensive to the electromagnetic disturbance of Che Nei and car emission.Equipped with electrokinetic cell in pure electric automobile, drive motor, power conversion
The parts such as motor compressor in device, electric machine controller, and on-board air conditioner, critesistor, belong to high voltage with upper-part
High-current equipment, in the course of the work can to Che Nei and car outside device systems cause electromagnetic interference, this electromagnetic interference or with
The form of electromagnetic wave is outwards propagated, or by the form of connected wire harness interference electric current to other equipment or system
Propagate.Meanwhile, it is also possible to disturbed by extraneous various electromagnetic interference sources, these interference sources during pure electric automobile work
Big to the high voltage transmission line in roadside, large-scale electrical network and thunder and lightning, little to mobile phone, radio, electrostatic etc..As can be seen here, pure
Electromagnetic interference environment during electric automobile work is considerably complicated, and the existing electromagnetism from in-vehicle device or parts and wire harness generation is done
Disturb, include again various potential electromagnetic interference in car external environment.Therefore, controlling party under electromagnetic interference is suffered for pure electric automobile
The research of method is significant for the drive safety and stability improving pure electric automobile.
Pure electric automobile uses electric vacuum pump to provide vacuum source for force aid system for braking mostly at present, is specially in vacuum
Tank or brake booster load pressure transducer, the force value control that force aid system for braking controller obtains according to sensor acquisition
Vacuum pump processed works, and typically uses bang-bang control, i.e. vacuum to open vacuum pump less than certain threshold value, when vacuum is higher than one
Close vacuum pump after determining threshold value, thus ensure the brake boost demand of driver.Generally, the vacuum tank of pure electric automobile
Or brake booster is arranged in the forward engine room of vehicle, with electric machine controller, driving motor, power inverter, electric air-conditioning compression
The high power components such as machine close on, if the screen layer of sensor itself or holding wire is damaged, or screen layer damages, and holds the most very much
It is vulnerable to the impact of electromagnetic interference, actual value can not be reflected such as sensor signal due to interference.Now force aid system for braking
Job stability is affected, and traffic safety is produced certain harm.
Summary of the invention
The embodiment of the present invention provides control method and the device of a kind of force aid system for braking, to solve to sense in prior art
Device signal can not reflect actual value owing to being interfered, and the steady operation of force aid system for braking is affected, to traffic safety
The problem producing certain harm.
The embodiment of the present invention provides the control method of a kind of force aid system for braking, and described force aid system for braking includes that vacuum helps
Vacuum pump that power device is connected with described vacuum booster and for detecting the Vacuum Pressure of the vacuum within described vacuum booster
Force transducer, described control method includes:
Monitor the current operating state of described vacuum pressure sensor；
According to the current operating state of described vacuum pressure sensor, detect the most described vacuum pressure sensor is located
In electromagnetic interference state；
When described vacuum pressure sensor is in electromagnetic interference state, controls described vacuum pump and switch to immunity mode
It is operated；
When described vacuum pressure sensor is in non-electromagnetic interference state, controls described vacuum pump and switch to normal mode
It is operated.
The present invention is by monitoring the current operating state of vacuum pressure sensor, according to the work shape of vacuum pressure sensor
State, the most whether detection vacuum pressure sensor is in electromagnetic interference state；It is in electromagnetic interference shape at vacuum pressure sensor
During state, control vacuum pump switches to immunity mode and is operated, and weakens the impact of electromagnetic interference, is ensureing that operator brake helps
Power demand.
Wherein, the step of the current operating state of the described vacuum pressure sensor of described monitoring includes:
Monitor the vacuum running parameter of the described vacuum booster of the detected acquisition of described vacuum pressure sensor；
Monitor the magnitude of voltage of the power supply of described vacuum pressure sensor.
Wherein, the described current operating state according to vacuum pressure sensor, the most whether detection vacuum pressure sensor
The step being in electromagnetic interference state includes:
It is currently at duty, the vacuum of the detected acquisition of described vacuum pressure sensor when monitoring described vacuum pump
When the vacuum running parameter of booster is more than preset range threshold value, it is determined that described vacuum pressure sensor is currently at electromagnetism
Disturbance state；Or
It is currently at off working state, the detected acquisition of described vacuum pressure sensor true when monitoring described vacuum pump
The vacuum attack parameter of empty booster is more than predetermined threshold value, it is determined that described vacuum pressure sensor is currently at electromagnetic interference
State；Or
It is currently at off working state and the brake pedal being connected with described vacuum booster when monitoring described vacuum pump
When not receiving pressure signal, the vacuum of the vacuum booster of the detected acquisition of described vacuum pressure sensor is in a detection week
The number of times reaching upper limit threshold and lower threshold in phase is all higher than the first preset times, it is determined that at described vacuum pressure sensor
In electromagnetic interference state；Or
When monitor the magnitude of voltage of power supply of described vacuum pressure sensor reach upper voltage limit threshold value and under ration the power supply
The number of times of pressure threshold value is all higher than the second preset times, it is determined that described vacuum pressure sensor is in electromagnetic interference state.
Wherein, described being currently at duty when monitoring described vacuum pump, described vacuum pressure sensor is detected
When the vacuum running parameter of the vacuum booster obtained is more than preset range threshold value, it is determined that described vacuum pressure sensor is worked as
Before be in electromagnetic interference state step particularly as follows:
When described vacuum pump is currently under duty, the vacuum servo of the detected acquisition of described vacuum pressure sensor
The rising gradient value of the vacuum of device is true more than the first predetermined gradient value or the detected acquisition of described vacuum pressure sensor
When the downward gradient value of the vacuum of empty booster is more than the second predetermined gradient value, determine that described vacuum pressure sensor is currently located
In electromagnetic interference state；
Wherein said preset range threshold value includes the first predetermined gradient value and the second predetermined gradient value.
Wherein, described when described vacuum pressure sensor is in electromagnetic interference state, control described vacuum pump and switch to
The step that immunity mode is operated includes:
Detect whether described brake pedal receives pressure signal；
When described brake pedal does not receives pressure signal, control described vacuum pump work in the first preset time period
Make, adjacent with the first preset time period, be positioned at the first preset time period after the second preset time period quit work；
When described brake pedal receives pressure signal, control the work of described vacuum pump, until the inspection of described brake pedal
The 3rd preset time period is continued for when not detecting pressure signal.
The embodiment of the present invention also provides for the control device of a kind of force aid system for braking, and described force aid system for braking includes vacuum
Vacuum pump that booster is connected with described vacuum booster and for detecting the vacuum of the vacuum within described vacuum booster
Pressure transducer, described control device includes:
Monitoring modular, for monitoring the current operating state of described vacuum pressure sensor；
Detection module, for the current operating state according to described vacuum pressure sensor, detects described vacuum pressure and passes
The most whether sensor is in electromagnetic interference state；
First processing module, for when described vacuum pressure sensor is in electromagnetic interference state, controls described vacuum
Pump switches to immunity mode and is operated；
Second processing module, for when described vacuum pressure sensor is in non-electromagnetic interference state, control described very
Empty pump switches to normal mode and is operated.
Wherein, described monitoring modular includes:
First monitoring submodule, for monitoring the described vacuum booster of the detected acquisition of described vacuum pressure sensor
Vacuum running parameter；
Second monitoring submodule, for monitoring the magnitude of voltage of the power supply of described vacuum pressure sensor.
Wherein, described detection module includes:
First detection sub-module, is currently at duty for monitoring described vacuum pump, and described vacuum pressure passes
When the vacuum running parameter of the vacuum booster of the detected acquisition of sensor is more than preset range threshold value, it is determined that described Vacuum Pressure
Force transducer is currently at electromagnetic interference state；Or
Second detection sub-module, is currently at off working state, described vacuum pressure for monitoring described vacuum pump
The vacuum attack parameter of the vacuum booster of the detected acquisition of sensor is more than predetermined threshold value, it is determined that described vacuum pressure passes
Sensor is currently at electromagnetic interference state；Or
3rd detection sub-module, for when monitor described vacuum pump be currently at off working state and with described vacuum
When the brake pedal that booster connects does not receives pressure signal, the vacuum servo of the detected acquisition of described vacuum pressure sensor
The vacuum of device reaches the number of times of upper limit threshold and lower threshold within a detection cycle and is all higher than the first preset times, it is determined that
Described vacuum pressure sensor is in electromagnetic interference state；Or
4th detection sub-module, for reaching when the magnitude of voltage of the power supply monitoring described vacuum pressure sensor
The number of times of voltage limit threshold value and lower threshold voltage is all higher than the second preset times, it is determined that described vacuum pressure sensor is in
Electromagnetic interference state.
Wherein, described first detection sub-module is further used for:
When described vacuum pump is currently under duty, the vacuum servo of the detected acquisition of described vacuum pressure sensor
The rising gradient value of the vacuum of device is true more than the first predetermined gradient value or the detected acquisition of described vacuum pressure sensor
When the downward gradient value of the vacuum of empty booster is more than the second predetermined gradient value, determine that described vacuum pressure sensor is currently located
In electromagnetic interference state；
Wherein said preset range threshold value includes the first predetermined gradient value and the second predetermined gradient value.
Wherein, described first processing module includes:
First processes submodule, is used for detecting whether described brake pedal receives pressure signal；
Second processes submodule, for when described brake pedal does not receives pressure signal, controls described vacuum pump and exists
Work in first preset time period, adjacent with the first preset time period, be positioned at the first preset time period after second pre-
If quitting work in the time period；
3rd processes submodule, for when described brake pedal receives pressure signal, controls the work of described vacuum pump,
Until described brake pedal continues for the 3rd preset time period when can't detect pressure signal.
The beneficial effect of embodiment of the present invention technical scheme at least includes:
Technical solution of the present invention, by monitoring the current operating state of vacuum pressure sensor, senses according to vacuum pressure
The duty of device, the most whether detection vacuum pressure sensor is in electromagnetic interference state；It is at vacuum pressure sensor
During electromagnetic interference state, control vacuum pump switches to immunity mode and is operated, and weakens the impact of electromagnetic interference, drives in guarantee
The person's of sailing brake boost demand.
Further, technical solution of the present invention can reduce vacuum pump on the premise of ensureing operator brake power-assisted demand
The unnecessary working time, for piston type vacuum pump, it is possible to reduce the unexpected frequent unlatching caused by electromagnetic interference,
Decrease accumulation of heat, protect the life-span, provide guarantee for traffic safety.
Accompanying drawing explanation
Fig. 1 represents the control method schematic diagram of the force aid system for braking that the embodiment of the present invention one provides；
Fig. 2 represents the car internal interference source of vacuum pressure sensor and the connection diagram of vacuum pressure sensor；
Fig. 3 represents embodiment of the present invention force aid system for braking schematic diagram；
Fig. 4 represents the control method schematic diagram of the force aid system for braking that the embodiment of the present invention two provides；
Fig. 5 represents the control device schematic diagram one of the force aid system for braking that the embodiment of the present invention three provides；
Fig. 6 represents the control device schematic diagram two of the force aid system for braking that the embodiment of the present invention three provides；
Fig. 7 represents the control device schematic diagram three of the force aid system for braking that the embodiment of the present invention three provides；
Fig. 8 represents the control device schematic diagram four of the force aid system for braking that the embodiment of the present invention three provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, the most right
The present invention is described in detail.
Embodiment one
As it is shown in figure 1, the embodiment of the present invention one provides the control method of a kind of force aid system for braking, force aid system for braking bag
Include vacuum pump that vacuum booster is connected with vacuum booster and for detecting the Vacuum Pressure of the vacuum within vacuum booster
Force transducer, control method includes:
Step 101, the current operating state of monitoring vacuum pressure sensor.
Vacuum pressure sensor is positioned on vacuum booster the vacuum that can detect within vacuum booster, vacuum servo
Device provides brake boost demand for driver.This programme monitors vacuum pressure sensor by the entire car controller of electric automobile
Current operating state.Wherein, entire car controller provides power supply for vacuum pressure sensor.Entire car controller is monitoring vacuum
After the current operating state of pressure transducer, perform step 102.
Step 102, current operating state according to vacuum pressure sensor, the most whether detection vacuum pressure sensor is located
In electromagnetic interference state.
After monitoring obtains the current operating state of vacuum pressure sensor, according to the current work of vacuum pressure sensor
Make whether state-detection vacuum pressure sensor is in electromagnetic interference state.
Wherein, the interference source of vacuum pressure sensor can be divided into natural disturbance source and artificial disturbance source.Natural disturbance source is
Refer to occur at nature electromagnet phenomenon that electromagnetic interference can be caused；Artificial disturbance source refers to all electromagnetism that can produce and does
The electronic electric equipment disturbed or system, as when radar, radio output launch electromagnetic signal, and in power transmission line or
The electromagnetic signal etc. that in switching device, the electric current of instantaneous variation produces.For vacuum pressure sensor, its suffered electromagnetism is done
Disturb the overwhelming majority from vehicle interior, Fig. 2 be the vehicle occupant of several interference vacuum pressure sensor be interference source.
Electric machine controller 201, power inverter 202, air-conditioning 203, charger 204, motor and 205 power current in Fig. 2
Pond 206 is high voltage parts, for the potential interference source of vacuum pressure sensor 200, such as, comprises in electric machine controller 201
High-power switch device, such as IGBT (Insulated Gate BipolarTransistor, insulated gate bipolar transistor) work
Electromagnetic interference problem will necessarily be brought when making；When motor compressor in air-conditioning 203 works, the starting stage especially started,
Easily causing electromagnetic interference problem, additionally vehicle can cause electromagnetic interference problem equally when being braked energy regenerating.One
For as, electromagnetic interference problem is all processed before dispatching from the factory by above six high voltage parts by various means, but vehicle tool
Have the characteristic that driving cycle is complicated, need to consider for a certain reason, as collision or aging circuit etc. cause high voltage parts and
Vacuum pressure sensor screen layer or earth lead damage, and interfere and leak, and then cause electromagnetic interference to occur affecting Vacuum Pressure
The situation that force transducer 200 normally works.
The most whether detection vacuum pressure sensor is in the mode of electromagnetic interference state predominantly:
1, under vacuum pump is in running order, the vacuum changing value that vacuum pressure sensor detection obtains is more than standard
Value, determines that vacuum pressure sensor is currently at electromagnetic interference state.
2, under vacuum pump is in off working state, when the vacuum that vacuum pressure sensor detection obtains increases, determine
Vacuum pressure sensor is currently at electromagnetic interference state.
3, under vacuum pump is in off working state, during the vacuum generation saltus step that vacuum pressure sensor detection obtains,
Determine that vacuum pressure sensor is currently at electromagnetic interference state.
4, when the power supply saltus step of vacuum pressure sensor, determine that vacuum pressure sensor is currently at electromagnetic interference
State.
When determining that vacuum pressure sensor is currently at electromagnetic interference state, need to perform step 103, determining vacuum
When pressure transducer is currently at non-electromagnetic interference state, need to perform step 104.
Step 103, when vacuum pressure sensor is in electromagnetic interference state, control vacuum pump switch to immunity mode
It is operated.
When determining that vacuum pressure sensor is in electromagnetic interference state, need to control vacuum pump and switch to immunity mode
It is operated, weakens the impact of electromagnetic interference, can be to realize electromagnetism interference to establish solid foundation, it is ensured that the system of driver
Dynamic power-assisted demand.
Wherein switch to after immunity mode is operated a period of time, vacuum pressure sensing to be detected when vacuum pump
The most whether device is in electromagnetic interference state, when meeting following three situation simultaneously, determines that vacuum pressure sensor is in non-
Electromagnetic interference state, i.e. electromagnetic interference failure vanishes.
1, under vacuum pump is in running order, vacuum pressure sensor detection obtain vacuum changing value less than or
Equal to standard value.
2, under vacuum pump is in off working state, the vacuum that vacuum pressure sensor detection obtains is in stable shape
State.
3, the power supply of vacuum pressure sensor is stable.
After determining electromagnetic interference failure vanishes, now vacuum pressure sensor is in non-electromagnetic interference state, permissible
Perform step 104.
Step 104, when vacuum pressure sensor is in non-electromagnetic interference state, control vacuum pump switch to normal mode
It is operated.
When vacuum pressure sensor is in non-electromagnetic interference state, entire car controller can control vacuum pump and just switch to
Norm formula is operated.
Wherein entire car controller is directly connected to vacuum pump.Entire car controller belongs to force aid system for braking, as it is shown on figure 3,
Force aid system for braking includes: vacuum booster 301, is arranged on vacuum booster 301, for detecting the Vacuum Pressure of vacuum
Force transducer 302；Be connected with vacuum pressure sensor 302, the sign vacuum servo of reception vacuum pressure sensor 302 transmission
The detection signal of device 301 vacuum, and the entire car controller 303 of control signal is generated according to detection signal；With entire car controller
303 connect, receive control signal and according to control signal start vacuum pump 304；And be connected with vacuum pump 304, be
Force aid system for braking provides the vacuum tank 305 of vacuum deposit.Its intermediate pump 304 is helped with vacuum by two check valves 306
Power device 301 and vacuum tank 305 connect.Entire car controller 303 is powered for vacuum pressure sensor 302.
Entire car controller 303 gathers the voltage signal of vacuum pressure sensor 302, Jing Guoxin by analog-digital converter interface
Number resolve obtain vacuum booster 301 internal vacuum；The vacuum pressure value that entire car controller 303 obtains according to parsing, according to
Certain control logical drive vacuum pump 304 enables；The electric current wherein driving vacuum pump 304 is internal specially by entire car controller 303
The driving chip of door produces；By two check valve 306 extracting vacuum tanks 305 and vacuum booster 301 when vacuum pump 304 works
Internal air, it is provided that vacuum ensures；Vacuum tank 305 provides vacuum deposit for whole force aid system for braking, especially very
When empty pump 304 does not works, the vacuum in vacuum tank 305 can provide brake boost demand for driver.
In the present invention, vehicle is controlled carrying out fault detect to vacuum pump according to normal mode after powering on simultaneously；Work as inspection
Then enter into electromagnetism interference vacuum pump control model after measuring generation electromagnetic interference fault, braking is helped weakening electromagnetic interference
The impact of Force system；After there is electromagnetic interference fault, fault is monitored, if failure vanishes, recovers vacuum pump to normal control
Molding formula, the most persistently uses electromagnetism interference control method to be controlled vacuum pump.
The embodiment of the present invention one, by monitoring the current operating state of vacuum pressure sensor, senses according to vacuum pressure
The duty of device, the most whether detection vacuum pressure sensor is in electromagnetic interference state；It is at vacuum pressure sensor
During electromagnetic interference state, control vacuum pump switches to immunity mode and is operated, and can weaken the impact of electromagnetic interference, is protecting
Card operator brake power-assisted demand.Vacuum pump can be reduced on the premise of ensureing operator brake power-assisted demand unnecessary simultaneously
Working time, for piston type vacuum pump, it is possible to reduce unexpected frequent unlatching caused by electromagnetic interference, decrease
Accumulation of heat, protects the life-span, provides guarantee for traffic safety.
Embodiment two
As shown in Figure 4, the embodiment of the present invention two provides the control method of a kind of force aid system for braking, force aid system for braking bag
Include vacuum pump that vacuum booster is connected with vacuum booster and for detecting the Vacuum Pressure of the vacuum within vacuum booster
Force transducer, control method includes:
Step 401, the vacuum running parameter of vacuum booster of monitoring the detected acquisition of vacuum pressure sensor.
Vacuum pressure sensor is positioned on vacuum booster, and vacuum booster is connected with vacuum pump, and vacuum booster can
Think that driver provides brake boost demand, vacuum pressure sensor detection to obtain the vacuum running parameter of vacuum booster,
This programme monitors the vacuum running parameter of the vacuum booster that vacuum pressure sensor obtains by entire car controller.Its
In, entire car controller provides power supply for vacuum pressure sensor.
Step 402, the magnitude of voltage of power supply of monitoring vacuum pressure sensor.
Entire car controller, when monitoring the vacuum running parameter of the vacuum booster that vacuum pressure sensor obtains, also needs
The magnitude of voltage of the power supply of vacuum pressure sensor to be monitored, is monitoring the vacuum booster that vacuum pressure sensor obtains
Vacuum running parameter and vacuum pressure sensor power supply magnitude of voltage after, perform step 403.
Step 403, the vacuum running parameter of vacuum booster according to the detected acquisition of vacuum pressure sensor, vacuum
The most whether the magnitude of voltage detection vacuum pressure sensor of the power supply of pressure transducer is in electromagnetic interference state.
The most whether monitoring vacuum pressure sensor is in the process of electromagnetic interference state:
It is currently at duty when monitoring vacuum pump, the vacuum booster of the detected acquisition of vacuum pressure sensor
When vacuum running parameter is more than preset range threshold value, it is determined that vacuum pressure sensor is currently at electromagnetic interference state；Or
Person
It is currently at off working state, the vacuum booster of the detected acquisition of vacuum pressure sensor when monitoring vacuum pump
Vacuum attack parameter more than predetermined threshold value, it is determined that vacuum pressure sensor is currently at electromagnetic interference state；Or
It is currently at off working state and the brake pedal that is connected with vacuum booster does not receives when monitoring vacuum pump
During pressure signal, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor reaches the upper limit within a detection cycle
The number of times of threshold value and lower threshold is all higher than the first preset times, it is determined that vacuum pressure sensor is in electromagnetic interference state；
Or
When the magnitude of voltage of the power supply monitoring vacuum pressure sensor reaches upper voltage limit threshold value and lower voltage limit threshold
The number of times of value is all higher than the second preset times, it is determined that vacuum pressure sensor is in electromagnetic interference state.
Wherein, in running order at vacuum pump, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
When degree running parameter is more than preset range threshold value, it is determined that vacuum pressure sensor is currently at the process of electromagnetic interference state
For: under vacuum pump is currently at duty, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
Rising gradient value is more than the first predetermined gradient value or the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
Downward gradient value more than the second predetermined gradient value time, determine that vacuum pressure sensor is currently at electromagnetic interference state, otherwise
Determine that vacuum pressure sensor is currently at non-electromagnetic interference state；Wherein preset range threshold value include the first predetermined gradient value and
Second predetermined gradient value.
Concrete, when vacuum pump works, and in the case of not stepping on the brake pedal being connected with vacuum booster, braking
Vacuum within force aid system rises not over certain gradient (relevant to vacuum pump vacuum capability), makes this gradient be
First predetermined gradient value Grad1, the decline of vacuum simultaneously is also not more than another gradient, and making this gradient is the second predetermined gradient
Value Grad2 (during vacuum booster moment breakage, gradient is maximum)；By the change of vacuum is monitored (regardless of whether step on system
Dynamic pedal), when vacuum rising gradient is more than the second predetermined gradient value more than the first predetermined gradient value Grad1 or downward gradient
During Grad2, then it is assumed that vacuum pressure sensor, by electromagnetic interference, is now in electromagnetic interference state, otherwise determines Vacuum Pressure
Force transducer is currently at non-electromagnetic interference state.
Wherein, it is currently at off working state when monitoring vacuum pump, the vacuum of the detected acquisition of vacuum pressure sensor
The vacuum attack parameter of booster is more than predetermined threshold value, it is determined that vacuum pressure sensor is currently at electromagnetic interference state
Detailed process is: when vacuum air pump inoperative, regardless of whether step on brake pedal, if vacuum is increased beyond predetermined threshold value Vac1
(this predetermined threshold value includes the impact on vacuum of the factor such as temperature and sensor drift), then it is assumed that vacuum pressure sensor is subject to
To electromagnetic interference, it is now in electromagnetic interference state, otherwise determines that vacuum pressure sensor is currently at non-electromagnetic interference state.
Wherein, it is currently at off working state and the brake pedal that is connected with vacuum booster not when monitoring vacuum pump
When receiving pressure signal, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor reached within a detection cycle
Number of times to upper limit threshold and lower threshold is all higher than the first preset times, it is determined that vacuum pressure sensor is in electromagnetic interference
The detailed process of state is: at vacuum air pump inoperative and under conditions of not stepping on brake pedal, and vacuum should keep stable, if now
Vacuum generation saltus step, i.e. within a detection cycle, vacuum respectively reaches upper limit threshold VacHi and the lower threshold of regulation
VacLo each N1 time above time, then it is assumed that vacuum pressure sensor, by electromagnetic interference, otherwise determines that vacuum pressure sensor is current
It is in non-electromagnetic interference state.Wherein times N 1 is the first preset times and is more than or equal to 2, its object is to filter out owing to being
The fault erroneous judgement that system actual leakage causes.It is provided with pressure transducer on brake pedal, produces when brake pedal has pressure
Signal, and send the signal to entire car controller.
Wherein, monitor the magnitude of voltage of power supply of vacuum pressure sensor reach upper voltage limit threshold value and under ration the power supply
The number of times of pressure threshold value is all higher than the second preset times, it is determined that vacuum pressure sensor is in the process of electromagnetic interference state and is:
The power supply of detection vacuum pressure sensor, when detecting that it respectively reaches set upper limit voltage threshold VHi and lower voltage limit
Threshold value VLo each N2 time above time, then it is assumed that vacuum pressure sensor, by electromagnetic interference, otherwise determines that vacuum pressure sensor is worked as
Before be in non-electromagnetic interference state.Wherein times N 2 is the second preset times.
Perform step 404 when vacuum pressure sensor is currently at electromagnetic interference state, work as at vacuum pressure sensor
Before perform step 407 when being in non-electromagnetic interference state.
Step 404, when vacuum pressure sensor is in electromagnetic interference state, detection brake pedal whether receive pressure
Signal.
When determining that vacuum pressure sensor is in electromagnetic interference state, need to detect whether brake pedal receives pressure
Signal, is wherein provided with pressure transducer on brake pedal, pressure transducer is connected with entire car controller, has on brake pedal
During pressure, pressure transducer can produce signal, and sends the signal to entire car controller.Determining that brake pedal does not receives pressure
Perform step 405 during force signal, perform step 406 when brake pedal receives pressure signal.
Step 405, when brake pedal does not receives pressure signal, control vacuum pump work in the first preset time period
Make, adjacent with the first preset time period, be positioned at the first preset time period after the second preset time period quit work.
If brake pedal is not operated, when i.e. brake pedal does not receives pressure signal, then vacuum pump is carried out interval and controls
System so that vacuum pump often works and closes the To second after the Tn second, and wherein the Tn second is the first preset time period, and the To second is the second Preset Time
Section.Employing tapping mode is owing to adding positive closing vacuum pump link, therefore, it is possible to alleviate piston type vacuum pump due to time long
Between work and the problems of excessive heat that causes, can ensure that the vacuum within force aid system for braking by discontinuous operation simultaneously, meet
The brake boost demand of driver, additionally within the Tn second of work, can detect the recovery condition of electromagnetic interference fault, if meeting
Recovery condition then jumps out antidisturbance control pattern, enters normal control mode.
Step 406, when brake pedal receives pressure signal, control vacuum pump work, until brake pedal detect not
The 3rd preset time period is continued for during to pressure signal.
If brake pedal is operated, then control vacuum pump according to brake signal, be specially and make after brake pedal is operated
Energy vacuum pump, the Ts second after being released until brake pedal, wherein the Ts second is the 3rd preset time period.The Ts second ensure that very
Vacuum within force aid system for braking is extracted into the time required for vacuum pump closing presure value from 0 by empty pump.The pass of vacuum pump
Closing force value is a setting, and now the pressure in vacuum pump needs more than 70 kPas.The method can ensure driver's system
Reduce, on the premise of dynamic power-assisted demand, the working time that vacuum pump is unnecessary, reduce its accumulation of heat, protect its life-span.
After there is electromagnetic interference fault, can pass through braking system faults lamp, driver is pointed out by alarm sound, carries
High travel safety.
Step 407, when vacuum pressure sensor is in non-electromagnetic interference state, control vacuum pump switch to normal mode
It is operated.
When vacuum pressure sensor is in non-electromagnetic interference state, entire car controller can control vacuum pump and just switch to
Norm formula is operated.
It should be noted that.When following three condition all meets, determine electromagnetic interference fault recovery, now car load control
Device processed can also control vacuum pump and switch to normal mode and be operated.
1, in running order at vacuum pump and under conditions of not stepping on brake pedal, the vacuum within force aid system for braking
Change is normal, and the gradient that i.e. vacuum rises is within prescribed limit [GradLo, GradHi].
2, under conditions of vacuum pump is closed and do not stepped on brake pedal, the change of force aid system for braking internal vacuum is less than
± Vac, wherein change threshold Vac includes the impact on vacuum of the factor such as temperature and sensor drift.
3, vacuum pressure sensor supply voltage is within the limits prescribed, and wherein upper voltage limit threshold value is VHi, lower voltage limit
Threshold value is VLo.
In the present invention, by signal intensity and the change of vacuum pressure sensor power supply of monitoring vacuum pressure sensor
Changing and electromagnetic interference is carried out initiative recognition, the most strategically the work to vacuum pump carries out pro-active intervention, weakens
The impact of electromagnetic interference, not only protects vacuum pump, simultaneously for driving peace on the premise of ensureing operator brake power-assisted demand
Entirely provide guarantee.
The embodiment of the present invention two, by monitoring the current operating state of vacuum pressure sensor, senses according to vacuum pressure
The duty of device, the most whether detection vacuum pressure sensor is in electromagnetic interference state；It is at vacuum pressure sensor
During electromagnetic interference state, control vacuum pump switches to immunity mode and is operated, and can weaken the impact of electromagnetic interference, is protecting
Card operator brake power-assisted demand.Vacuum pump can be reduced on the premise of ensureing operator brake power-assisted demand unnecessary simultaneously
Working time, for piston type vacuum pump, it is possible to reduce unexpected frequent unlatching caused by electromagnetic interference, decrease
Accumulation of heat, protects the life-span, provides guarantee for traffic safety.
Embodiment three
The embodiment of the present invention three provides the control device of a kind of force aid system for braking, and force aid system for braking includes vacuum servo
Vacuum pump that device is connected with vacuum booster and for detecting the vacuum pressure sensor of the vacuum within vacuum booster,
Include as it is shown in figure 5, control device:
Monitoring modular 10, for monitoring the current operating state of vacuum pressure sensor；
Detection module 20, for the current operating state according to vacuum pressure sensor, detection vacuum pressure sensor is worked as
Before whether be in electromagnetic interference state；
First processing module 30, for when vacuum pressure sensor is in electromagnetic interference state, controls vacuum pump switching
It is operated to immunity mode；
Second processing module 40, for when vacuum pressure sensor is in non-electromagnetic interference state, controls vacuum pump and cuts
Shift to normal mode be operated.
Wherein, as shown in Figure 6, monitoring modular 10 includes:
First monitoring submodule 11, for monitoring the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
Running parameter；
Second monitoring submodule 12, for monitoring the magnitude of voltage of the power supply of vacuum pressure sensor.
Wherein, as it is shown in fig. 7, detection module 20 includes:
First detection sub-module 21, is currently at duty, vacuum pressure sensor institute for monitoring vacuum pump
When the vacuum running parameter of the vacuum booster that detection obtains is more than preset range threshold value, it is determined that vacuum pressure sensor is worked as
Before be in electromagnetic interference state；Or
Second detection sub-module 22, is currently at off working state, vacuum pressure sensor for monitoring vacuum pump
Detected the vacuum attack parameter of the vacuum booster obtained more than predetermined threshold value, it is determined that vacuum pressure sensor is currently located
In electromagnetic interference state；Or
3rd detection sub-module 23, is currently at off working state and and vacuum booster for monitoring vacuum pump
When the brake pedal connected does not receives pressure signal, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
The number of times reaching upper limit threshold and lower threshold within a detection cycle is all higher than or equal to the first preset times, it is determined that true
Pneumatics force transducer is in electromagnetic interference state；Or
4th detection sub-module 24, for reaching the upper limit when the magnitude of voltage of the power supply monitoring vacuum pressure sensor
The number of times of voltage threshold and lower threshold voltage is all higher than or equal to the second preset times, it is determined that at vacuum pressure sensor
In electromagnetic interference state.
Wherein, the first detection sub-module 21 is further used for:
Under vacuum pump is currently at duty, the vacuum of the vacuum booster of the detected acquisition of vacuum pressure sensor
The rising gradient value of degree is true more than the vacuum booster of the first predetermined gradient value or the detected acquisition of vacuum pressure sensor
When the downward gradient value of reciprocal of duty cycle is more than the second predetermined gradient value, determine that vacuum pressure sensor is currently at electromagnetic interference state；
Wherein preset range threshold value includes the first predetermined gradient value and the second predetermined gradient value.
Wherein, as shown in Figure 8, the first processing module 30 includes:
First processes submodule 31, is used for detecting whether brake pedal receives pressure signal；
Second processes submodule 32, for when brake pedal does not receives pressure signal, controls vacuum pump pre-first
If work in the time period, adjacent with the first preset time period, be positioned at the second Preset Time after the first preset time period
Quit work in Duan；
3rd processes submodule 33, for when brake pedal receives pressure signal, controls vacuum pump work, until system
Dynamic pedal continues for the 3rd preset time period when can't detect pressure signal.
The embodiment of the present invention three, by the current operating state of above-mentioned module monitors vacuum pressure sensor, according to vacuum
The duty of pressure transducer, the most whether detection vacuum pressure sensor is in electromagnetic interference state；Pass at vacuum pressure
When sensor is in electromagnetic interference state, control vacuum pump switches to immunity mode and is operated, and can weaken electromagnetic interference
Impact, is ensureing operator brake power-assisted demand.Can reduce true on the premise of ensureing operator brake power-assisted demand simultaneously
The working time that empty pump is unnecessary, for piston type vacuum pump, it is possible to reduce caused by electromagnetic interference unexpected frequently
Open, decrease accumulation of heat, protect the life-span, provide guarantee for traffic safety.
It should be noted that the control device of the force aid system for braking of embodiment of the present invention offer is to use said method
Device, then all embodiments of said method are all applicable to this device, and all can reach same or analogous beneficial effect.
Further, the embodiment of the present invention also provides for a kind of electric automobile, and this electric automobile includes force aid system for braking, adopts
Control vacuum pump switching working mode by the control method of the force aid system for braking described in embodiment one and embodiment two, weaken electricity
The impact of magnetic disturbance.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person for the art comes
Saying, can also make some improvements and modifications under without departing from principle premise of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a control method for force aid system for braking, described force aid system for braking includes that vacuum booster helps with described vacuum
Vacuum pump that power device connects and for detecting the vacuum pressure sensor of vacuum within described vacuum booster, its feature exists
In, described control method includes:
Monitor the current operating state of described vacuum pressure sensor；
According to the current operating state of described vacuum pressure sensor, detect the most described vacuum pressure sensor is in electricity
Magnetic disturbance state；
When described vacuum pressure sensor is in electromagnetic interference state, controls described vacuum pump and switch to immunity mode and carry out
Work；
When described vacuum pressure sensor is in non-electromagnetic interference state, controls described vacuum pump and switch to normal mode and carry out
Work.
Method the most according to claim 1, it is characterised in that the work at present of the described vacuum pressure sensor of described monitoring
The step of state includes:
Monitor the vacuum running parameter of the described vacuum booster of the detected acquisition of described vacuum pressure sensor；
Monitor the magnitude of voltage of the power supply of described vacuum pressure sensor.
Method the most according to claim 2, it is characterised in that the described work at present shape according to vacuum pressure sensor
State, the most whether detection vacuum pressure sensor is in the step of electromagnetic interference state includes:
It is currently at duty, the vacuum servo of the detected acquisition of described vacuum pressure sensor when monitoring described vacuum pump
When the vacuum running parameter of device is more than preset range threshold value, it is determined that described vacuum pressure sensor is currently at electromagnetic interference
State；Or
Being currently at off working state when monitoring described vacuum pump, the vacuum of the detected acquisition of described vacuum pressure sensor helps
The vacuum attack parameter of power device is more than predetermined threshold value, it is determined that described vacuum pressure sensor is currently at electromagnetic interference shape
State；Or
It is currently at off working state and the brake pedal that is connected with described vacuum booster does not connects when monitoring described vacuum pump
When receiving pressure signal, the vacuum of the vacuum booster of the detected acquisition of described vacuum pressure sensor is within a detection cycle
The number of times reaching upper limit threshold and lower threshold is all higher than the first preset times, it is determined that described vacuum pressure sensor is in electricity
Magnetic disturbance state；Or
When the magnitude of voltage of the power supply monitoring described vacuum pressure sensor reaches upper voltage limit threshold value and lower voltage limit threshold
The number of times of value is all higher than the second preset times, it is determined that described vacuum pressure sensor is in electromagnetic interference state.
Method the most according to claim 3, it is characterised in that described be currently at work shape when monitoring described vacuum pump
State, the vacuum running parameter of the vacuum booster of the detected acquisition of described vacuum pressure sensor is more than preset range threshold value
Time, it is determined that described vacuum pressure sensor be currently at electromagnetic interference state step particularly as follows:
When described vacuum pump is currently under duty, the vacuum booster of the detected acquisition of described vacuum pressure sensor
The rising gradient value of vacuum helps more than the vacuum of the first predetermined gradient value or the detected acquisition of described vacuum pressure sensor
When the downward gradient value of the vacuum of power device is more than the second predetermined gradient value, determine that described vacuum pressure sensor is currently at electricity
Magnetic disturbance state；
Wherein said preset range threshold value includes the first predetermined gradient value and the second predetermined gradient value.
Method the most according to claim 3, it is characterised in that described be in electromagnetic interference at described vacuum pressure sensor
During state, control described vacuum pump and switch to the step that immunity mode is operated and include:
Detect whether described brake pedal receives pressure signal；
When described brake pedal does not receives pressure signal, control described vacuum pump and work in the first preset time period,
Adjacent with the first preset time period, be positioned at the first preset time period after the second preset time period quit work；
When described brake pedal receives pressure signal, control the work of described vacuum pump, until described brake pedal detects not
The 3rd preset time period is continued for during to pressure signal.
6. a control device for force aid system for braking, described force aid system for braking includes that vacuum booster helps with described vacuum
Vacuum pump that power device connects and for detecting the vacuum pressure sensor of vacuum within described vacuum booster, its feature exists
In, described control device includes:
Monitoring modular, for monitoring the current operating state of described vacuum pressure sensor；
Detection module, for the current operating state according to described vacuum pressure sensor, detects described vacuum pressure sensor
Currently whether it is in electromagnetic interference state；
First processing module, for when described vacuum pressure sensor is in electromagnetic interference state, controls described vacuum pump and cuts
Shift to immunity mode be operated；
Second processing module, for when described vacuum pressure sensor is in non-electromagnetic interference state, controls described vacuum pump
Switch to normal mode be operated.
Device the most according to claim 6, it is characterised in that described monitoring modular includes:
First monitoring submodule, for monitoring the vacuum of the described vacuum booster of the detected acquisition of described vacuum pressure sensor
Degree running parameter；
Second monitoring submodule, for monitoring the magnitude of voltage of the power supply of described vacuum pressure sensor.
Device the most according to claim 7, it is characterised in that described detection module includes:
First detection sub-module, is currently at duty, described vacuum pressure sensor for monitoring described vacuum pump
When the vacuum running parameter of the vacuum booster being detected acquisition is more than preset range threshold value, it is determined that described vacuum pressure passes
Sensor is currently at electromagnetic interference state；Or
Second detection sub-module, is currently at off working state for monitoring described vacuum pump, and described vacuum pressure senses
The vacuum attack parameter of the vacuum booster of the detected acquisition of device is more than predetermined threshold value, it is determined that described vacuum pressure sensor
It is currently at electromagnetic interference state；Or
3rd detection sub-module, for when monitor described vacuum pump be currently at off working state and with described vacuum servo
When the brake pedal that device connects does not receives pressure signal, the vacuum booster of the detected acquisition of described vacuum pressure sensor
Vacuum reaches the number of times of upper limit threshold and lower threshold within a detection cycle and is all higher than the first preset times, it is determined that described
Vacuum pressure sensor is in electromagnetic interference state；Or
4th detection sub-module, for reaching to ration the power supply when the magnitude of voltage of the power supply monitoring described vacuum pressure sensor
The number of times of pressure threshold value and lower threshold voltage is all higher than the second preset times, it is determined that described vacuum pressure sensor is in electromagnetism
Disturbance state.
Device the most according to claim 8, it is characterised in that described first detection sub-module is further used for:
When described vacuum pump is currently under duty, the vacuum booster of the detected acquisition of described vacuum pressure sensor
The rising gradient value of vacuum helps more than the vacuum of the first predetermined gradient value or the detected acquisition of described vacuum pressure sensor
When the downward gradient value of the vacuum of power device is more than the second predetermined gradient value, determine that described vacuum pressure sensor is currently at electricity
Magnetic disturbance state；
Wherein said preset range threshold value includes the first predetermined gradient value and the second predetermined gradient value.
Device the most according to claim 8, it is characterised in that described first processing module includes:
First processes submodule, is used for detecting whether described brake pedal receives pressure signal；
Second processes submodule, for when described brake pedal does not receives pressure signal, controls described vacuum pump first
Work in preset time period, adjacent with the first preset time period, be positioned at the first preset time period after second preset time
Between quit work in section；
3rd processes submodule, for when described brake pedal receives pressure signal, controls the work of described vacuum pump, until
Described brake pedal continues for the 3rd preset time period when can't detect pressure signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801229.4A CN106314406B (en) | 2016-09-05 | 2016-09-05 | Control method and device of brake boosting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801229.4A CN106314406B (en) | 2016-09-05 | 2016-09-05 | Control method and device of brake boosting system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106314406A true CN106314406A (en) | 2017-01-11 |
| CN106314406B CN106314406B (en) | 2019-02-01 |
Family
ID=57787376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801229.4A Active CN106314406B (en) | 2016-09-05 | 2016-09-05 | Control method and device of brake boosting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106314406B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472228A (en) * | 2017-07-31 | 2017-12-15 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN107554509A (en) * | 2017-08-25 | 2018-01-09 | 北京新能源汽车股份有限公司 | Safety control method and system of vacuum pump and new energy automobile |
| CN107697054A (en) * | 2017-09-18 | 2018-02-16 | 北京长城华冠汽车科技股份有限公司 | A kind of modification method and device of vacuum servo parameter |
| CN107933540A (en) * | 2017-12-22 | 2018-04-20 | 温州瓯云科技有限公司 | A kind of electronic type vacuum pressure controller |
| CN109696859A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Control method, device and cooking apparatus when cooking apparatus is weighed |
| CN109823328A (en) * | 2019-01-25 | 2019-05-31 | 重庆长安汽车股份有限公司 | The control method and computer readable storage medium of electronic vacuum pump |
| CN110341681A (en) * | 2018-04-05 | 2019-10-18 | 现代自动车株式会社 | For verifying the method and system of the normal operating of the B/P EGR Back Pressure Transducer EGR of brake booster |
| CN110654360A (en) * | 2018-06-28 | 2020-01-07 | 长城汽车股份有限公司 | Electronic vacuum pump control method, device, system and machine readable storage medium |
| CN115306700A (en) * | 2022-08-16 | 2022-11-08 | 江苏汉华热管理科技有限公司 | Carbide furnace is vacuum pump operating mode on-line monitoring system for exhaust emission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359098A (en) * | 2012-03-27 | 2013-10-23 | 北汽福田汽车股份有限公司 | Electromobile control method |
| CN203472840U (en) * | 2013-09-24 | 2014-03-12 | 三门峡速达交通节能科技股份有限公司 | Energy-saving braking system and electric automobile |
| CN204184339U (en) * | 2014-11-05 | 2015-03-04 | 鼎佳（天津）汽车电子有限公司 | For the automobile ABS system that electromagnetic interference detects |
| CN105620453A (en) * | 2014-11-05 | 2016-06-01 | 鼎佳（天津）汽车电子有限公司 | Automobile ABS system and electromagnetic interference detecting method thereof |
| CN205311591U (en) * | 2015-12-24 | 2016-06-15 | 北京电咖汽车科技有限公司杭州分公司 | Electric automobile's electric vacuum pump control system |
-
2016
- 2016-09-05 CN CN201610801229.4A patent/CN106314406B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359098A (en) * | 2012-03-27 | 2013-10-23 | 北汽福田汽车股份有限公司 | Electromobile control method |
| CN203472840U (en) * | 2013-09-24 | 2014-03-12 | 三门峡速达交通节能科技股份有限公司 | Energy-saving braking system and electric automobile |
| CN204184339U (en) * | 2014-11-05 | 2015-03-04 | 鼎佳（天津）汽车电子有限公司 | For the automobile ABS system that electromagnetic interference detects |
| CN105620453A (en) * | 2014-11-05 | 2016-06-01 | 鼎佳（天津）汽车电子有限公司 | Automobile ABS system and electromagnetic interference detecting method thereof |
| CN205311591U (en) * | 2015-12-24 | 2016-06-15 | 北京电咖汽车科技有限公司杭州分公司 | Electric automobile's electric vacuum pump control system |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472228A (en) * | 2017-07-31 | 2017-12-15 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN107472228B (en) * | 2017-07-31 | 2020-02-18 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN107554509B (en) * | 2017-08-25 | 2019-11-22 | 北京新能源汽车股份有限公司 | Method of controlling security, system and the new-energy automobile of vacuum pump |
| CN107554509A (en) * | 2017-08-25 | 2018-01-09 | 北京新能源汽车股份有限公司 | Safety control method and system of vacuum pump and new energy automobile |
| CN107697054A (en) * | 2017-09-18 | 2018-02-16 | 北京长城华冠汽车科技股份有限公司 | A kind of modification method and device of vacuum servo parameter |
| CN109696859A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | Control method, device and cooking apparatus when cooking apparatus is weighed |
| CN107933540A (en) * | 2017-12-22 | 2018-04-20 | 温州瓯云科技有限公司 | A kind of electronic type vacuum pressure controller |
| CN110341681A (en) * | 2018-04-05 | 2019-10-18 | 现代自动车株式会社 | For verifying the method and system of the normal operating of the B/P EGR Back Pressure Transducer EGR of brake booster |
| CN110341681B (en) * | 2018-04-05 | 2022-10-14 | 现代自动车株式会社 | Method and system for verifying normal operation of a negative pressure sensor of a brake booster |
| CN110654360A (en) * | 2018-06-28 | 2020-01-07 | 长城汽车股份有限公司 | Electronic vacuum pump control method, device, system and machine readable storage medium |
| CN109823328A (en) * | 2019-01-25 | 2019-05-31 | 重庆长安汽车股份有限公司 | The control method and computer readable storage medium of electronic vacuum pump |
| CN115306700A (en) * | 2022-08-16 | 2022-11-08 | 江苏汉华热管理科技有限公司 | Carbide furnace is vacuum pump operating mode on-line monitoring system for exhaust emission |
| CN115306700B (en) * | 2022-08-16 | 2023-08-22 | 江苏汉华热管理科技有限公司 | Online monitoring system for working condition of vacuum pump for exhaust emission of carbonization furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106314406B (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106314406A (en) | Control method and device of brake boosting system | |
| CN102923078B (en) | A kind of automobile air compression device control method | |
| CN109515195B (en) | Whole vehicle control system and control method for pure electric vehicle | |
| CN101890949B (en) | Vacuum booster security control system and control method of strong hybrid electric vehicle | |
| CN100435470C (en) | Load drive device, vehicle, and abnormality processing method in load drive device | |
| CN107962955A (en) | Power-on and power-off control method, device and vehicle | |
| CN107628017A (en) | Vacuum pump control method and device for electric automobile, controller and automobile | |
| CN101764512B (en) | DCDC (direct current-direct current) control method of moderate hybrid electric vehicle | |
| CN201670225U (en) | Control module, brake vacuum boosting device and electric automobile | |
| CN100400856C (en) | Integrated starter/generator hybrid power system and controlling method | |
| CN104124481B (en) | The charge control method of a kind of electric automobile and system | |
| CN102897039A (en) | High-voltage safety precaution control method of hybrid electric vehicle | |
| CN103718453A (en) | Electric motor drive system | |
| CN201932147U (en) | Vacuum power assisting device for electric automobile | |
| CN106274550B (en) | A kind of pure electric vehicle safe driving control method | |
| CN105539424A (en) | Energy control method of extended range electric vehicle | |
| CN105905092A (en) | Electronic vacuum pump control method and device | |
| CN105835704A (en) | Method and system for controlling working modes of electric vehicle | |
| CN101604855A (en) | A kind of pure electric automobile DC-DC converter enable control method | |
| CN101788599B (en) | Current acquisition system fault detection and processing method for mild hybrid electric vehicle | |
| CN102658802B (en) | Automobile idle speed start-stop system and hybrid power supply | |
| CN105882421A (en) | Limp control system and limp control method for electric automobile and electric automobile | |
| CN111942388B (en) | Engine start-stop control method and device and hybrid vehicle | |
| CN103419715B (en) | Automobile control method and control system | |
| CN211107379U (en) | New energy automobile braking electric vacuum boosting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |