CN106427976A - Braking pressure compensation control system and method - Google Patents
Braking pressure compensation control system and method Download PDFInfo
- Publication number
- CN106427976A CN106427976A CN201611182213.6A CN201611182213A CN106427976A CN 106427976 A CN106427976 A CN 106427976A CN 201611182213 A CN201611182213 A CN 201611182213A CN 106427976 A CN106427976 A CN 106427976A
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- Prior art keywords
- pressure
- gas receiver
- brake
- electromagnetic valve
- parking
- 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.)
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- 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
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
Abstract
The invention relates to a braking pressure compensation control system and method. The system comprises an air compressor, a parking air cylinder, a driving air cylinder, a pressure adjusting controller, a first pressure sensor, a second pressure sensor, a first solenoid valve, a second solenoid valve and an ignition lock, wherein the first pressure sensor, the second pressure sensor, the first solenoid valve, the second solenoid valve and the ignition lock are electrically connected with the pressure adjusting controller separately; when the ON gear of the ignition lock is electrically switched on, the pressure adjusting controller detects the pressure of the parking air cylinder and the pressure of the driving air cylinder, and when it is detected that the pressure of the driving air cylinder is smaller than a first set value, the first solenoid valve is switched off; when it is detected that the pressure of the driving air cylinder is smaller than a second set value, the pressure of the parking air cylinder is larger than the second set value, and the second set value is smaller than the first set value, the second solenoid valve is switched on, and then the parking air cylinder supplements the pressure to the driving air cylinder. According to the braking pressure compensation control system and method, the complete vehicle braking safety is improved.
Description
Technical field
The present invention relates to vehicle brake technology field is and in particular to a kind of brake pressure compensation control system and method.
Background technology
Automobile carries out brake deceleration using brakes to vehicle, as shown in figure 1, when vehicle parking gas receiver and driving storage
Inflator keeps the normal work of certain pressure, guarantee parking brake actuator and service brake actuator.If
Brake pressure deficiency, or the situation of brake pressure leakage occur, vehicle occurs that braking response is slow, and brake efficiency declines even
The dangerous situation of brake fade, causes very big impact to traffic safety.
As shown in figure 1, vehicle parking gas receiver is derived from air compressor machine with the gas of driving gas receiver, valve is protected by double loop
F ' carries out inflation switching between parking gas receiver and driving gas receiver, and air compressor machine pressure stops inflation after reaching 0.9MPa；Work as car
When carrying out service brake, driving gas storage cylinder pressure gradually reduces with stepping on number of times under brake pedal, main in prior art
Baroceptor to be used come the pressure of to judge to drive a vehicle gas receiver or parking gas receiver and is shown in instrument.
But, prior art has the disadvantages that：
1) air compressor machine operationally, gives parking gas receiver and driving gas receiver inflation, in continuous braking and not simultaneously
With working environment under, continuous braking such as in descending or ice and snow road, the supply of air compressor machine does not catch up with driving gas receiver
Consumption, it is possible that service brake gas receiver air pressure is not enough, brake efficiency decline.
2) vehicle only judges brakes atmospheric pressure state by testing gas receiver air pressure, exists certain delayed.Such as
Revealing at air compressor machine output pipe will make gas receiver cannot inflate and gas leakage, when gas receiver air pressure is leaked in certain limit
Braking just can be lost efficacy；Such as brake chamber partial gas pressure is revealed and braking will be caused to lose efficacy immediately again, and now air compressor machine continues to fill
Gas, driving gas receiver pressure drop is slower, but has not now had braking effect, thus affecting traffic safety.
Content of the invention
The invention provides a kind of brake pressure compensation control system and method, to improve the safety of car load braking.
To achieve these goals, the invention provides following technical scheme：
A kind of brake pressure compensation control system, including：Air compressor machine and being connected by gas circuit with described air compressor machine respectively
Parking gas receiver, driving gas receiver；Also include：Pressure regulating controller and respectively with described pressure regulating controller electricity
The first pressure sensor of connection, second pressure sensor, the first electromagnetic valve, the second electromagnetic valve, ignition lock；Described first pressure
Sensor is arranged on described parking gas receiver, for gathering the pressure of described parking gas receiver；Described second pressure sensor
It is arranged on described driving gas receiver, for gathering the pressure of described parking gas receiver；Described first electromagnetic valve is arranged on described
In gas circuit between air compressor machine and described parking gas receiver, described second electromagnetic valve is arranged on described parking gas receiver and described row
In gas circuit between car gas receiver；When ignition lock ON shelves electrically connect, described pressure regulating controller detects described parking gas storage
Cylinder with described driving gas receiver pressure, and detect described driving gas receiver pressure be less than the first setting value when, pass
Close described first electromagnetic valve；It is less than the second setting value and described parking gas receiver in the pressure described driving gas receiver is detected
Pressure when being more than described second setting value and described second setting value and being less than described first setting value, open described second electromagnetism
Valve, so that described parking gas receiver is described driving gas receiver supplementary pressure.
Preferably, described system also includes：
The siren electrically connecting with described pressure regulating controller；
Described pressure regulating controller, when the pressure described driving gas receiver is detected is less than the second setting value, controls institute
State siren to report to the police.
Preferably, described system also includes：
The 3rd pressure transducer that electrically connects with described pressure regulating controller respectively, the 3rd electromagnetic valve；Described 3rd pressure
Force transducer is arranged in described air compressor machine output gas circuit, and described 3rd electromagnetic valve is arranged on described air compressor machine and described driving storage
In the gas circuit of inflator；
Described pressure regulating controller is declining and during unit in the pressure described 3rd pressure transducer is detected
When interior pressure fall is more than setting range value, closes described first electromagnetic valve and described 3rd electromagnetic valve, and control institute
State siren to report to the police.
Preferably, described system also includes：
The first display lamp electrically connecting with described pressure regulating controller；
Described pressure regulating controller is declining and during unit in the pressure described 3rd pressure transducer is detected
When interior pressure fall is more than setting range value, control described first display lamp flicker.
Preferably, described system also includes：
The 4th pressure transducer that electrically connects with described pressure regulating controller respectively, brake pedal position sensor,
Two display lamps；Described brake pedal position sensor is used for collection vehicle brake pedal position；Described 4th pressure transducer peace
It is contained in brake chamber, described brake chamber is connected by gas circuit with described driving gas receiver；
In the signal described brake pedal position sensor is detected and the 4th pressure passes described pressure regulating controller
When the pressure of sensor is less than brake pressure limit value, controls described second display lamp to flash and control described siren to report to the police, to carry
Show that driving gas receiver is faulty to the gas circuit between brake chamber.
A kind of brake pressure compensating control method, methods described includes：
When ignition lock ON shelves electrically connect, by the first pressure sensor that is arranged on parking gas receiver obtain described in stay
The pressure of car gas receiver, obtains the pressure of described driving gas receiver by the second pressure sensor being arranged on driving gas receiver
Power；
If the pressure of described driving gas receiver is less than the first setting value, closes and be arranged on air compressor machine and described parking storage
The first electromagnetic valve in gas circuit between inflator；
If the pressure of described driving gas receiver is less than the second setting value and the pressure of described parking gas receiver is more than institute
State the second setting value, described second setting value is less than described first setting value, then open and be arranged on described driving gas receiver and institute
State the second electromagnetic valve in gas circuit between parking gas receiver, so that described parking gas receiver is described driving gas receiver supplements pressure
Power.
Preferably, methods described also includes：
When the pressure of described driving gas receiver is less than the second setting value, siren is controlled to report to the police.
Preferably, methods described also includes：
Detect be arranged on described air compressor machine export the 3rd pressure transducer in gas circuit pressure declining and
When pressure fall is more than setting range value in unit interval, closes described first electromagnetic valve and be arranged on described air compressor machine
With the 3rd electromagnetic valve in described driving gas receiver gas circuit, and described siren is controlled to report to the police.
Preferably, methods described also includes：
Declining in the pressure of described 3rd pressure transducer and in the unit interval, pressure fall is being more than setting
During range value, control the first display lamp flicker.
Preferably, methods described also includes：
In signal brake pedal position sensor is detected and the 4th pressure transducer pressure that is arranged on brake chamber
When power is less than brake pressure limit value, controls the second display lamp to flash and control described siren to report to the police, to point out gas receiver of driving a vehicle
Gas circuit to brake chamber is faulty, and described brake pedal position sensor is used for collection vehicle brake pedal position.
The beneficial effects of the present invention is：
Brake pressure compensation control system provided in an embodiment of the present invention and method, pressure regulating controller is detecting a little
When fire lock ON shelves electrically connect, detect the pressure of parking gas receiver by first pressure sensor, examined by second pressure sensor
Survey the pressure of driving gas receiver；And when the pressure described driving gas receiver is detected is less than the first setting value, closes and install
The first electromagnetic valve in gas circuit between air compressor machine and described parking gas receiver, so that air compressor machine can be individually for described driving
Gas receiver is inflated；It is less than the pressure of the second setting value and described parking gas receiver in the pressure described driving gas receiver is detected
More than described second setting value and described second setting value be less than described first setting value when, open and be arranged on described driving gas storage
The second electromagnetic valve in gas circuit between cylinder and described parking gas receiver, so that described parking gas storage is described driving gas receiver supplement
Pressure.By the present invention, improve the safety of car load braking.
Brief description
Fig. 1 is brake system of car structural representation in prior art.
Fig. 2 is a kind of structural representation of embodiment of the present invention brake pressure compensation control system.
Fig. 3 is another kind of structural representation of embodiment of the present invention brake pressure compensation control system.
Label in accompanying drawing：
F ', double loop protection valve F1, the first electromagnetic valve F2, the second electromagnetic valve F3, the 3rd electromagnetic valve Y1, first pressure
Sensor Y2, second pressure sensor Y3, the 3rd pressure transducer Y4, the 4th pressure transducer J1, the first relay
J2, the second relay J3, the 3rd relay K1, ignition lock ON gear switch B+, car load power supply Z, brake pedal position sensing
Device L1, the first display lamp L2, the second display lamp L3, siren
Specific embodiment
In order that those skilled in the art can be further understood that feature and the technology contents of the present invention, below in conjunction with the accompanying drawings
With embodiment, the embodiment of the present invention is elaborated.
If Fig. 2 is a kind of structural representation of embodiment of the present invention brake pressure compensation control system, this system includes：Empty
Press and the parking gas receiver being connected by gas circuit with described air compressor machine respectively, driving gas receiver；Also include：Pressure is adjusted
Controller and the first pressure sensor Y1 electrically connecting with described pressure regulating controller respectively, second pressure sensor Y2,
First electromagnetic valve F1, the second electromagnetic valve F2, ignition lock；Described first pressure sensor Y1 is arranged on described parking gas receiver,
For gathering the pressure of described parking gas receiver；Described second pressure sensor Y2 is arranged on described driving gas receiver, is used for
Gather the pressure of described parking gas receiver；Described first electromagnetic valve F1 is arranged between described air compressor machine and described parking gas receiver
Gas circuit on, described second electromagnetic valve F2 is arranged in the gas circuit between described parking gas receiver and described driving gas receiver；When
When ignition lock ON shelves electrically connect, described pressure regulating controller detects the pressure of described parking gas receiver and described driving gas receiver
Power, and when the pressure described driving gas receiver is detected is less than the first setting value, close described first electromagnetic valve；In detection
Pressure to described driving gas receiver is less than the second setting value and the pressure of described parking gas receiver is more than described second setting
Value and when described second setting value is less than described first setting value, opens described second electromagnetic valve, so that described parking gas receiver
For described driving gas receiver supplementary pressure.
It should be noted that the first setting value is determined by demarcation by different motor vehicle braking systems from the second setting value,
Such as, the first setting value is 0.6MPa, and the second setting value is 0.58MPa.
Specifically, as shown in Fig. 2 when ignition lock ON gear switch K1 opens, car load power supply B+ does not pass through ignition lock ON shelves
Switch K1 cut-in pressure adjusts controller, and ignition lock ON shelves electricity access failure is described；When ignition lock ON gear switch K1 closes, car load
Power supply B+ adjusts controller by ignition lock ON gear switch K1 cut-in pressure, illustrates that ignition lock ON shelves electricity has been turned on.
It should be noted that in the embodiment of the present invention, when ignition lock ON shelves electrically connect, if pressure regulating controller inspection
More than after the first setting value, described pressure regulating controller disconnects described second electromagnetic valve to the pressure measuring driving gas receiver, that is,
Disconnect the gas circuit between parking gas receiver and driving gas receiver, and open described first electromagnetic valve, with connect air compressor machine with described
Gas circuit between parking gas receiver.
Brake pressure compensation control system provided in an embodiment of the present invention, when ignition lock ON shelves electrically connect, if driving
The pressure drop of gas receiver, to the first setting value, makes air compressor machine be individually for gas receiver inflation of driving a vehicle；If the pressure of driving gas receiver
Power drops to the second setting value, by parking gas receiver be driving gas receiver supplementary pressure it is ensured that driving gas receiver normal
Operating pressure, thus ensure that the safety of car load braking.
Further, as shown in figure 3, in another embodiment of present system, can also include：Adjust with described pressure
The siren L3 of controller electrical connection；Described pressure regulating controller is less than second in the pressure described driving gas receiver is detected
During setting value, described siren L3 is controlled to report to the police.Specifically, siren L3 can be buzzer, and pressure regulating controller detects
Pressure to driving gas receiver is less than the second setting value, then control buzzer to yowl, and to remind driver pressure not enough, needs to stop
Car is inflated.
In the embodiment of the present invention, once the pressure that pressure regulating controller detects driving gas receiver is less than the second setting
Value, illustrates that revealing occurs in the gas of driving gas receiver or the continuous point of use of driver is stopped excessively, needs driver to stop as row
Car gas receiver and the inflation of parking gas receiver, thus ensure the safety of car load braking.
In order to ensure the safety of air compressor machine output gas circuit, as shown in figure 3, in another embodiment of present system,
Can also include：The 3rd pressure transducer Y3, the 3rd electromagnetic valve F3 electrically connecting with described pressure regulating controller respectively；Described
3rd pressure transducer Y3 is arranged in described air compressor machine output gas circuit, described 3rd electromagnetic valve F3 be arranged on described air compressor machine with
In the gas circuit of described driving gas receiver；Described pressure regulating controller is in the pressure described 3rd pressure transducer Y3 is detected just
Pressure fall is more than when setting range value in decline and in the unit interval, closes described first electromagnetic valve F1 and described the
Three electromagnetic valve F3, and control described siren L3 to report to the police.
It should be noted that set range value determining by demarcation according to different motor vehicle braking systems, such as set width
Angle value is 0.21MPa.Further, it should be noted that setting range value can have two, such as setting range value and including first
Range value and the second range value；It is relevant whether the selection of the first range value and the second range value and vehicle brake pedal are operated；
When vehicle brake pedal is operated, by judging that the pressure of the 3rd pressure transducer Y3 is declining and the unit interval is intrinsic pressure
Power fall is more than the first range value, then pressure regulating controller closes described first electromagnetic valve F1 and the 3rd electromagnetic valve F3；
When vehicle brake pedal is not operated, declined and in the unit interval by judging the pressure of the 3rd pressure transducer Y3
Pressure drop amplitude is more than the second range value, then pressure regulating controller closes described first electromagnetic valve F1 and the 3rd electromagnetic valve
F3.First range value is more than the second range value, and such as, the first range value is 0.2MPa, and the second range value is 0.1MPa.
In the embodiment of the present invention, by detecting the situation of change of air compressor machine output pressure, determine that air compressor machine output gas circuit is
No gas leakage, thus further ensure the safety of car load braking.
Further, as shown in figure 3, in another embodiment of present system, can also include：Adjust with described pressure
First display lamp L1 of controller electrical connection；Described pressure regulating controller is detecting the pressure of described 3rd pressure transducer Y3
When power is declining and in the unit interval, pressure fall is more than setting range value, described first display lamp L1 is controlled to dodge
Bright.In the embodiment of the present invention, reported to the police by controlling the first display lamp L1 flicker and described siren L3, for reminding driver
Before braking, gas path failure needs parking maintenance immediately.
Further, as shown in figure 3, in another embodiment of present system, can also include：Respectively with described pressure
4th pressure transducer Y4 of regulation controller electrical connection, brake pedal position sensor Z, the second display lamp L2；Described braking
Pedal position sensor Z is used for collection vehicle brake pedal position；Described 4th pressure transducer Y4 is arranged on brake chamber, institute
State brake chamber to be connected by gas circuit with described driving gas receiver；Described pressure regulating controller is detecting described brake pedal
When the pressure of the signal of position sensor and the 4th pressure transducer is less than brake pressure limit value, control described second display lamp
L2 flashes and controls described siren L3 to report to the police, to point out driving gas receiver faulty to the gas circuit between brake chamber.
It should be noted that described brake pressure limit value is the minimum pressure values promoting brake chamber, it is generally less than this value
Braking pressure will be unable to promote the distance rod motion in brake chamber afterwards, and described brake pressure limit value is true by braking mechanical part
Fixed, the brake pressure limit value of the brakes of dissimilar vehicle configuration may be different, and therefore described brake pressure limit value need to lead to
Cross demarcation to determine, such as, brake pressure limit is 0.35MPa.
In the embodiment of the present invention, pressure regulating controller passes through pressure and the brake pressure of current 4th pressure transducer Y4
Limit value is contrasted, and judges whether the pressure of brake chamber can maintain brake chamber action；If being unable to maintain that brake chamber
Action, then pressure regulating controller control second display lamp L2 flicker, make simultaneously siren L3 report to the police, remind driver current
The gas circuit of driving gas receiver to brake chamber is faulty, needs driver to pass through to operate parking system, auxiliary and rob extension using row
In low-grade brake, any one mode or various ways stop, and overhaul.
It should be noted that operation parking system, using arranging auxiliary and rob brake three kinds of modes of drag-down and all use and take
Few, effect preferably, plays the role of to reduce speed；Three kinds of modes are individually or when being used in combination two-by-two, the effect of operation parking system
Fruit is preferably.
Further, in order to save manufacturing cost, as shown in figure 3, in another embodiment of present system, can also wrap
Include：The first relay J1, the second relay J2 and the 3rd relay J3 electrically connecting with described pressure regulating controller；First
Relay J1 coil-end, the second relay J2 coil-end and the 3rd relay J3 coil-end are adjusted with described pressure respectively and control
Device electrically connects, and the first relay J1 control end is connected between car load power supply B+ and the first electromagnetic valve F1, to control the first electromagnetism
Valve F1 opening and closing；Second relay J2 control end is connected between car load power supply B+ and the second electromagnetic valve F2, to control
Second electromagnetic valve F2 opening and closing；3rd relay J3 control end be connected to car load power supply B+ and the 3rd electromagnetic valve F3 it
Between, to control opening and closing of the 3rd electromagnetic valve F3.
In the embodiment of the present invention, electromagnetic valve is the control parts of high current, in order that pressure regulating controller can be general
In small current setting, invention increases the first relay J1, the second relay J2 and the 3rd relay J3, thus convenient
Control to the first electromagnetic valve F1, the second electromagnetic valve F2 and the 3rd electromagnetic valve F3, saves cost.
In sum, brake pressure compensation control system provided in an embodiment of the present invention, pressure regulating controller is in detection
To ignition lock ON shelves electrically connect when, by first pressure sensor detect parking gas receiver pressure, sensed by second pressure
The pressure of device detection driving gas receiver；It is less than the first setting value in the pressure described driving gas receiver is detected, described pressure is adjusted
Section controller cuts out the first electromagnetic valve being arranged in gas circuit between air compressor machine and described parking gas receiver, so that air compressor machine can
To be individually for described driving gas receiver inflation；Less than the second setting value and described in the pressure described driving gas receiver is detected
When the pressure of parking gas receiver is more than described second setting value and described second setting value and is less than described first setting value, described pressure
Power adjusts controller and opens the second electromagnetic valve being arranged in gas circuit between described driving gas receiver and described parking gas receiver, with
Described parking gas storage is made to be described driving gas receiver supplementary pressure.By the present invention, improve the safety of car load braking.
Correspondingly, present invention also offers a kind of brake pressure compensating control method, the method includes：When ignition lock ON shelves
When electrically connecting, obtain the pressure of described parking gas receiver by the first pressure sensor being arranged on parking gas receiver, pass through
The second pressure sensor being arranged on driving gas receiver obtains the pressure of described driving gas receiver；If described driving gas receiver
Pressure be less than the first setting value, then close and be arranged on the first electromagnetism in gas circuit between air compressor machine and described parking gas receiver
Valve；If the pressure of described driving gas receiver is less than the second setting value and the pressure of described parking gas receiver is more than described second
Setting value, described second setting value is less than described first setting value, then open and be arranged on described driving gas receiver and described parking
The second electromagnetic valve in gas circuit between gas receiver, so that described parking gas receiver is described driving gas receiver supplementary pressure.
It should be noted that the first setting value is determined by demarcation by different motor vehicle braking systems from the second setting value,
Such as, the first setting value is 0.6MPa, and the second setting value is 0.58MPa.
It should be noted that in the embodiment of the present invention, when ignition lock ON shelves electrically connect, if the pressure of driving gas receiver
After the first setting value, described pressure regulating controller disconnects described second electromagnetic valve, that is, disconnect parking gas receiver and driving
Gas circuit between gas receiver, and open described first electromagnetic valve, to connect the gas circuit between air compressor machine and described parking gas receiver.
Brake pressure compensation control system provided in an embodiment of the present invention, when ignition lock ON shelves electrically connect, if driving
The pressure drop of gas receiver, to the first setting value, makes air compressor machine be individually for gas receiver inflation of driving a vehicle；If the pressure of driving gas receiver
Power drops to the second setting value, by parking gas receiver be driving gas receiver supplementary pressure it is ensured that driving gas receiver normal
Operating pressure, thus ensure that the safety of car load braking.
Further, methods described also includes：When the pressure of described driving gas receiver is less than the second setting value, control alarm
Device is reported to the police.In the embodiment of the present invention, once the pressure that pressure regulating controller detects driving gas receiver is less than the second setting value,
Illustrate that revealing occurs in the gas of driving gas receiver or the continuous point of use of driver is stopped excessively, need driver to stop as driving storage
Inflator and the inflation of parking gas receiver, thus ensure the safety of car load braking.
Further, methods described also includes：Pass the 3rd pressure being arranged in described air compressor machine output gas circuit is detected
When the pressure of sensor is declining and in the unit interval, pressure fall is more than setting range value, close described first electromagnetism
Valve and be arranged on described air compressor machine and the 3rd electromagnetic valve in described driving gas receiver gas circuit, and control described siren to report to the police.
It should be noted that set range value determining by demarcation according to different motor vehicle braking systems, such as set width
Angle value is 0.21MPa.Further, it should be noted that setting range value can have two, such as setting range value and including first
Range value and the second range value；It is relevant whether the selection of the first range value and the second range value and vehicle brake pedal are operated；
When vehicle brake pedal is operated, by judging that the pressure of the 3rd pressure transducer Y3 is declining and the unit interval is intrinsic pressure
Power fall is more than the first range value, then pressure regulating controller closes described first electromagnetic valve F1 and the 3rd electromagnetic valve F3；
When vehicle brake pedal is not operated, declined and in the unit interval by judging the pressure of the 3rd pressure transducer Y3
Pressure drop amplitude is more than the second range value, then pressure regulating controller closes described first electromagnetic valve F1 and the 3rd electromagnetic valve
F3.First range value is more than the second range value, and such as, the first range value is 0.2MPa, and the second range value is 0.1MPa.
In the embodiment of the present invention, by detecting the situation of change of air compressor machine output pressure, determine that air compressor machine output gas circuit is
No gas leakage is it is ensured that air compressor machine exports the safety of gas circuit, thus further ensuring the safety of car load braking.
Further, methods described also includes：Declining and the unit interval in the pressure of described 3rd pressure transducer
When interior pressure fall is more than setting range value, control the first display lamp flicker.In the embodiment of the present invention, by controlling first
Display lamp L1 flicker and described siren L3 report to the police, for reminding gas path failure before operator brake to need parking maintenance immediately.
Further, methods described also includes：In signal brake pedal position sensor is detected and be arranged on braking
When 4th pressure transducer pressure of air chamber is less than brake pressure limit value, the second display lamp is controlled to flash and control described siren
Report to the police, to point out driving gas receiver faulty to the gas circuit between brake chamber, described brake pedal position sensor is used for adopting
Collection vehicle brake pedal position.
It should be noted that described brake pressure limit value is the minimum pressure values promoting brake chamber, it is generally less than this value
Braking pressure will be unable to promote the distance rod motion in brake chamber afterwards, and described brake pressure limit value is true by braking mechanical part
Fixed, the brake pressure limit value of the brakes of dissimilar vehicle configuration may be different, and therefore described brake pressure limit value need to lead to
Cross demarcation to determine, such as, brake pressure limit is 0.35MPa.
In the embodiment of the present invention, pressure regulating controller passes through pressure and the brake pressure of current 4th pressure transducer Y4
Limit value is contrasted, and judges whether the pressure of brake chamber can maintain brake chamber action；If being unable to maintain that brake chamber
Action, then pressure regulating controller control second display lamp L2 flicker, make simultaneously siren L3 report to the police, remind driver current
The gas circuit of driving gas receiver to brake chamber is faulty, needs driver to pass through to operate parking system, auxiliary and rob extension using row
In low-grade brake, any one mode or various ways stop, and overhaul.
In sum, brake pressure compensation control system provided in an embodiment of the present invention and method, in continuous braking procedure
In, if after pressure driving gas receiver is detected is less than the first setting value, pressure regulating controller will close air compressor machine to staying
The inflation loop of car gas receiver inflation；If the air pressure of driving gas receiver continues to decline, the pressure of driving gas receiver is less than second
After setting value, pressure regulating controller will open gas circuit between parking gas receiver and driving gas receiver, make parking gas receiver to row
Car gas receiver is inflated, and starts siren warning.The embodiment of the present invention is in driving gas receiver input gas circuit (the i.e. output of air compressor machine
Gas circuit), driving gas receiver exports gas circuit (i.e. gas circuit between driving gas receiver and brake chamber) and can open immediately when leaking air
Dynamic alarm lamp and siren, remind driver.If driving gas receiver input blowby gas path, system will be switched to driving gas receiver
Output gas circuit, carries out pressurize to system；If driving gas receiver output blowby gas path, driver recognizes output by alarm lamp
Loop gas leakage can be using pulling parking switch, and the mode progressively exitted is braked by parking system.By the present invention, improve
The safety of car load braking.
Above the embodiment of the present invention is described in detail, specific embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help understand the system and method for the present invention；Simultaneously for this area one
As technical staff, according to the present invention thought, all will change in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a kind of brake pressure compensation control system, including：Air compressor machine and be connected by gas circuit with described air compressor machine respectively
Parking gas receiver, driving gas receiver；It is characterized in that, also include：Pressure regulating controller and respectively with described pressure adjust
The first pressure sensor of controller electrical connection, second pressure sensor, the first electromagnetic valve, the second electromagnetic valve, ignition lock；Described
First pressure sensor is arranged on described parking gas receiver, for gathering the pressure of described parking gas receiver；Described second pressure
Force transducer is arranged on described driving gas receiver, for gathering the pressure of described parking gas receiver；Described first electromagnetic valve peace
It is contained in the gas circuit between described air compressor machine and described parking gas receiver, described second electromagnetic valve is arranged on described parking gas receiver
In gas circuit and described driving gas receiver between；When ignition lock ON shelves electrically connect, described pressure regulating controller detection is described
Parking gas receiver and the pressure of described driving gas receiver, and it is less than the first setting in the pressure described driving gas receiver is being detected
During value, close described first electromagnetic valve；It is less than the second setting value and described stays in the pressure described driving gas receiver is detected
When the pressure of car gas receiver is more than described second setting value and described second setting value and is less than described first setting value, open described
Second electromagnetic valve, so that described parking gas receiver is described driving gas receiver supplementary pressure.
2. brake pressure compensation control system according to claim 1 is it is characterised in that described system also includes：
The siren electrically connecting with described pressure regulating controller；
Described pressure regulating controller, when the pressure described driving gas receiver is detected is less than the second setting value, controls described police
Report device is reported to the police.
3. brake pressure compensation control system according to claim 2 is it is characterised in that described system also includes：
The 3rd pressure transducer that electrically connects with described pressure regulating controller respectively, the 3rd electromagnetic valve；Described 3rd pressure passes
Sensor is arranged in described air compressor machine output gas circuit, and described 3rd electromagnetic valve is arranged on described air compressor machine and described driving gas receiver
Gas circuit on；
Described pressure regulating controller is declining and in the unit interval in the pressure described 3rd pressure transducer is detected
When pressure drop amplitude is more than setting range value, closes described first electromagnetic valve and described 3rd electromagnetic valve, and control described police
Report device is reported to the police.
4. brake pressure compensation control system according to claim 3 is it is characterised in that described system also includes：
The first display lamp electrically connecting with described pressure regulating controller；
Described pressure regulating controller is declining and in the unit interval in the pressure described 3rd pressure transducer is detected
When pressure drop amplitude is more than setting range value, control described first display lamp flicker.
5. brake pressure compensation control system according to claim 4 is it is characterised in that described system also includes：
The 4th pressure transducer that electrically connects with described pressure regulating controller respectively, brake pedal position sensor, the second finger
Show lamp；Described brake pedal position sensor is used for collection vehicle brake pedal position；Described 4th pressure transducer is arranged on
Brake chamber, described brake chamber is connected by gas circuit with described driving gas receiver；
Described pressure regulating controller is in the signal described brake pedal position sensor is detected and the 4th pressure transducer
Pressure when being less than brake pressure limit value, control described second display lamp to flash and control described siren to report to the police, with presenting bank
Car gas receiver is faulty to the gas circuit between brake chamber.
6. a kind of brake pressure compensating control method is it is characterised in that methods described includes：
When ignition lock ON shelves electrically connect, described parking storage is obtained by the first pressure sensor being arranged on parking gas receiver
The pressure of inflator, obtains the pressure of described driving gas receiver by the second pressure sensor being arranged on driving gas receiver；
If the pressure of described driving gas receiver is less than the first setting value, closes and be arranged on air compressor machine and described parking gas receiver
Between the first electromagnetic valve in gas circuit；
If the pressure that the pressure of described driving gas receiver is less than the second setting value and described parking gas receiver is more than described the
Two setting values, described second setting value be less than described first setting value, then open be arranged on described driving gas receiver stay with described
The second electromagnetic valve in gas circuit between car gas receiver, so that described parking gas receiver is described driving gas receiver supplementary pressure.
7. brake pressure compensating control method according to claim 6 is it is characterised in that methods described also includes：
When the pressure of described driving gas receiver is less than the second setting value, siren is controlled to report to the police.
8. brake pressure compensating control method according to claim 7 is it is characterised in that methods described also includes：
Declining and unit in the pressure the 3rd pressure transducer being arranged in described air compressor machine output gas circuit is detected
When pressure fall is more than setting range value in time, closes described first electromagnetic valve and be arranged on described air compressor machine and institute
State the 3rd electromagnetic valve in driving gas receiver gas circuit, and control described siren to report to the police.
9. brake pressure compensating control method according to claim 8 is it is characterised in that methods described also includes：
Declining in the pressure of described 3rd pressure transducer and in the unit interval, pressure fall is being more than setting amplitude
During value, control the first display lamp flicker.
10. brake pressure compensating control method according to claim 9 is it is characterised in that methods described also includes：
In signal brake pedal position sensor is detected and the 4th pressure transducer pressure that is arranged on brake chamber is little
When brake pressure limit value, control the second display lamp to flash and control described siren to report to the police, to point out to drive a vehicle gas receiver to system
The gas circuit taken offence between room is faulty, and described brake pedal position sensor is used for collection vehicle brake pedal position.
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| CN201611182213.6A CN106427976B (en) | 2016-12-20 | 2016-12-20 | A kind of brake pressure compensation control system and method |
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| CN201611182213.6A CN106427976B (en) | 2016-12-20 | 2016-12-20 | A kind of brake pressure compensation control system and method |
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| CN107215328A (en) * | 2017-06-12 | 2017-09-29 | 辽宁机电职业技术学院 | A kind of detection means and detection method for vehicle air brakes |
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| CN111547030A (en) * | 2019-02-11 | 2020-08-18 | 晟通科技集团有限公司 | Semitrailer air pressure overlow alarm device |
| CN113219210A (en) * | 2021-05-31 | 2021-08-06 | 东风商用车有限公司 | Vehicle speed sensor signal rationality diagnosis method and system |
| CN113335252A (en) * | 2021-07-21 | 2021-09-03 | 福建中科云杉信息技术有限公司 | Air pressure adjusting method for air brake and air brake control system |
| CN113771823A (en) * | 2021-09-02 | 2021-12-10 | 东风华神汽车有限公司 | Automobile brake monitoring system and application method thereof |
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| CN113335252A (en) * | 2021-07-21 | 2021-09-03 | 福建中科云杉信息技术有限公司 | Air pressure adjusting method for air brake and air brake control system |
| CN113771823A (en) * | 2021-09-02 | 2021-12-10 | 东风华神汽车有限公司 | Automobile brake monitoring system and application method thereof |
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