CN106427955B - A kind of vehicle brake control method - Google Patents
A kind of vehicle brake control method Download PDFInfo
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- CN106427955B CN106427955B CN201611039909.3A CN201611039909A CN106427955B CN 106427955 B CN106427955 B CN 106427955B CN 201611039909 A CN201611039909 A CN 201611039909A CN 106427955 B CN106427955 B CN 106427955B
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- vehicle
- braking
- brake
- control method
- brake control
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
-
- 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
- B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The invention discloses a kind of vehicle brake control methods, comprising: receives zero-speed signal, obtains braking relevant parameter；Judge whether vehicle braking type is whole train braking according to braking relevant parameter, if it is, control train pipe pressure reduction reaches permutation vehicle braking compression release magnitude, if it is not, then the pressure value of the checking cylinder of the power car of control train reaches and keeps brake pressure value.This vehicle brake control method, when vehicle executes braking maneuver and car speed is reduced to zero, directly obtain braking relevant parameter, and the mode of braking that vehicle uses is judged according to these parameters, pass through control train pipe pressure reduction value or the pressure value of the checking cylinder of power car, to achieve the purpose that enable vehicle to keep braking, it can well adapt to the present behavior of vehicle, it can adapt to the different motor vehicle braking system such as automatic air brake equipment system, with well adapting to property, the position for effectively keeping vehicle after a stoppage, prevents the dangerous situations such as car slipping from occurring.
Description
Technical field
The present invention relates to vehicle brake technology fields, more specifically to a kind of vehicle brake control method.
Background technique
Rail engineering automobile is maintained mainly as engineering construction, the line upkeep of city rail and the purposes of rescue.Keep system
Dynamic miscellaneous function one of of the function as braking system, is used extensively on railcar, and at present in rail engineering automobile field
The upper setting without holding braking function, it is difficult to stablize after vehicle parking and accurately control vehicle location and remain stationary.
Railcar is using straight brake system, and rail engineering automobile is automatic air brake equipment system, and
Railcar and rail engineering automobile are entirely different in purposes and the even conditions such as extension mode, so that control is braked in the holding of railcar
Method processed is not able to satisfy the actual conditions demand of engineering truck.
To sum up, large engineering vehicle common at present lacks stop-working protection effective enough, completes to brake in vehicle
Afterwards, without a kind of effective technical solution for keeping vehicle location constant, there is easy car slipping and cause security risk in vehicle
Deng problem.
In conclusion being difficult to effectively keep vehicle position after how efficiently solving current large engineering vehicle Brake stop
The problems such as setting, easily causing security risk is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of vehicle brake control method, the vehicle brake control method
It is difficult to effectively keep vehicle location after current large engineering vehicle Brake stop can be efficiently solved, easily causes security risk etc.
Problem.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of vehicle brake control method, comprising:
Zero-speed signal is received, braking relevant parameter is obtained；
Judge whether vehicle braking type is whole train braking according to the braking relevant parameter, if it is, control column
Vehicle pipe decompression amount reaches permutation vehicle braking compression release magnitude, if it is not, then the pressure value of the checking cylinder of the power car of control train arrives
Up to holding brake pressure value.
Preferably, in above-mentioned vehicle brake control method, the braking relevant parameter includes the decompression amount of train pipe；According to
The braking relevant parameter judges whether vehicle braking type is whole train braking specifically: judge the decompression amount whether be more than
Decompression amount threshold value, if it is, being whole train braking, if it is not, then being power car independent brake.
Preferably, in above-mentioned vehicle brake control method, the holding brake pressure value is specially that the checking cylinder moves entirely
The presupposition multiple of dynamic braking pressure value.
Preferably, in above-mentioned vehicle brake control method, further includes:
Receive car slipping signal；
It controls the train pipe pressure reduction and reaches car slipping magnitude of depressurization.
Preferably, in above-mentioned vehicle brake control method, further includes:
Receive traction signal；
Judge whether the decompression amount is more than decompression amount threshold value, if it is, control brake unit is in the first preset time
It is interior to alleviate the brake force currently kept；If it is not, then alleviating the brake force currently kept in the second preset time.
Preferably, in above-mentioned vehicle brake control method, the traction signal specifically:
The tractive force that vehicle is subject to is greater than the signal of current braking effort or the signal of the non-zero-speed of vehicle.
Preferably, in above-mentioned vehicle brake control method, the value range of the decompression amount threshold value is 40kpa-50kpa,
Including endpoint value.
Vehicle brake control method provided by the invention, comprising: receive zero-speed signal, obtain braking relevant parameter；According to
The braking relevant parameter judges whether vehicle braking type is whole train braking, if it is, control train pipe pressure reduction reaches
To permutation vehicle braking compression release magnitude, if it is not, then the pressure value of the checking cylinder of the power car of control train, which reaches, keeps braking pressure
Force value.Using this vehicle brake control method provided by the invention, braking maneuver is executed in vehicle and is reduced to car speed
When zero, braking relevant parameter is directly obtained, and judge the mode of braking that vehicle uses according to these parameters, by controlling train pipe
The pressure value of the checking cylinder of magnitude of depressurization or the power car of execution braking, to achieve the purpose that enable vehicle to keep braking, and should
The mode that braking is kept uses different braking retentivities for different modes of braking, can well adapt to the current of vehicle
Working condition can adapt to the different motor vehicle braking system such as automatic air brake equipment system, have well adapting to property, effectively
The position for keeping vehicle after a stoppage, prevents the dangerous situations such as car slipping from occurring.In conclusion vehicle braking control provided by the invention
Method processed is difficult to effectively keep vehicle location after efficiently solving current large engineering vehicle Brake stop, easily causes safety hidden
The problems such as suffering from.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow chart of vehicle brake control method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another vehicle brake control method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the third vehicle brake control method provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention discloses a kind of vehicle brake control methods, to solve current large engineering vehicle Brake stop
After be difficult to the problems such as effectively keeping vehicle location, easily cause security risk.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the flow chart of vehicle brake control method provided in an embodiment of the present invention.
The vehicle brake control method that the embodiment of the present invention provides, comprising:
S01: receiving zero-speed signal, obtains braking relevant parameter；The step refers specifically to, the central control unit of vehicle
While detecting that speed is reduced to zero, relevant parameter is braked in immediate record, so as to subsequent analytical judgment.
S02: judge whether vehicle braking type is whole train braking according to the braking relevant parameter, S03: if so,
It then controls train pipe pressure reduction and reaches permutation vehicle braking compression release magnitude, S04: if it is not, then the braking of the power car of control train
The pressure value of cylinder, which reaches, keeps brake pressure value.Analyze the braking class of vehicle immediately here by the braking relevant parameter recorded
Type, and the result according to judgement takes corresponding pressure control measure immediately, and the braking of vehicle is enabled to be positively maintained.
Using this vehicle brake control method provided by the invention, braking maneuver is executed in vehicle and drops car speed
When being zero, braking relevant parameter is directly obtained, and judge the mode of braking that vehicle uses according to these parameters, by controlling train
The pressure value of the checking cylinder of pipe magnitude of depressurization or the power car of execution braking, to achieve the purpose that enable vehicle to keep braking, and
The mode that the braking is kept uses different braking retentivities for different modes of braking, can well adapt to working as vehicle
Preceding working condition can adapt to the different motor vehicle braking system such as automatic air brake equipment system, have well adapting to property, effectively
Ground keeps the position of vehicle after a stoppage, prevents the dangerous situations such as car slipping from occurring.In conclusion vehicle braking provided by the invention
Control method is difficult to effectively keep vehicle location after efficiently solving current large engineering vehicle Brake stop, easily causes safety
The problems such as hidden danger.
Referring to Fig. 2, Fig. 2 is the flow chart of another vehicle brake control method provided in an embodiment of the present invention.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, the braking relevant parameter includes the decompression amount of train pipe；Vehicle braking class is judged according to the braking relevant parameter
Whether type is whole train braking specifically: judges whether the decompression amount is more than decompression amount threshold value, if it is, being permutation vehicle system
It is dynamic, if it is not, then being power car independent brake.
By the decompression amount of detection vehicle train pipe in braking in technical solution provided in this embodiment, refer in particular in vehicle
At the time of speed is reduced to zero by braking, the value of the decompression amount of train pipe.Decompression amount is the level pressure of vehicle train pipe and is somebody's turn to do
The difference of the pressure value for the train pipe that moment is recorded, the difference are capable of the size of Efficient Characterization vehicle braking force, and sentence accordingly
The mode of braking that disconnected vehicle is taken, and different operations is taken accordingly.If decompression amount is more than decompression amount threshold value, vehicle is judged
Being taken is whole train braking, corresponding to take in above-described embodiment: control train pipe pressure reduction reaches whole train braking
The operation of magnitude of depressurization；If decompression amount is less than decompression amount threshold value, judging that vehicle is taken is power car independent brake, right
That answers takes in above-described embodiment: the pressure value for controlling the checking cylinder of the power car of train reaches the behaviour for keeping brake pressure value
Make.The judgment mode is simple, obtains that result is accurate, and the required less operation of monitoring data is easy.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, the holding brake pressure value is specially the presupposition multiple of the checking cylinder full power brake pressure value.
In technical solution provided in this embodiment, checking cylinder full power brake pressure value is actually referred to: being that vehicle is taken
Standard or say specified when being common full braking force, the pressure value in checking cylinder, in the present embodiment by power
The pressure value of the checking cylinder of vehicle stablizes the prearranged multiple in the pressure value by way of decompression, which enables less than 1 and keep system
Dynamic pressure value is less than pressure value when full power is braked, and preferred multiple range is 70% or so.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, further includes:
S05: car slipping signal is received；
S06: it controls the train pipe pressure reduction and reaches car slipping magnitude of depressurization.
In technical solution provided in this embodiment, furthermore presenting vehicle, there is a situation where how to pass through system when car slipping
Dynamic control carries out corresponding operation.Specially when the central control unit of vehicle detect vehicle there is a situation where when car slipping, i.e.,
When there is the speed with braking force opposite direction, the train pipe of vehicle is immediately controlled in the case where not applying tractive force in vehicle
Increase amount of pressurization, be the equal of increasing the brake force of vehicle, it is enabled to obtain obvious braking effect.Wherein car slipping decompression amount
Value should be significantly greater than magnitude of depressurization when vehicle in above-described embodiment keeps on-position, Preferable scheme is that car slipping magnitude of depressurization
Value in 140kpa or so.
Referring to Fig. 3, Fig. 3 is the flow chart of the third vehicle brake control method provided in an embodiment of the present invention.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, further includes:
S07: traction signal is received；
S08: judge whether the decompression amount is more than decompression amount threshold value, S09: if it is, control brake unit is first
Alleviate the brake force currently kept in preset time；S10: if it is not, then alleviating the system currently kept in the second preset time
Power.
In technical solution provided in this embodiment, a kind of starting side of adaptation current vehicle braking hold mode is provided
Formula assists vehicle normally to start by the control of braking.Vehicle is protected in the Starting mode and foregoing embodiments of specific vehicle
The mode for holding braking is related, wherein the value range of the first preset time was at 5 seconds or so, the value range of the second preset time exists
3 seconds or so, the operation that vehicle carries out respectively during this period of time was uniformly slowly to alleviate to eliminate whole holding brake pressures.
It is this to design the safety that can effectively ensure that vehicle start state, it prevents from braking and releasing improperly since tractive force is insufficient
Reason causes the danger of vehicle generation car slipping.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, the traction signal specifically:
The tractive force that vehicle is subject to is greater than the signal of current braking effort or the signal of the non-zero-speed of vehicle.
In the technical solution provided in this implementation, the control of vehicle launch, the traction signal of restriction are further optimized
Range comprising the tractive force that vehicle is subject to is greater than the signal of current braking effort or the non-zero-speed of vehicle.It ensure that vehicle launch
Control preferably meet the current damped condition of vehicle, further ensure the safety of starting.
To advanced optimize above-mentioned technical proposal, on the basis of the above embodiments preferably, above-mentioned vehicle braking control
In method, the value range of the decompression amount threshold value is 40kpa-50kpa, including endpoint value.
In technical solution provided in this embodiment, the levels of precision that braking keeps control, decompression amount threshold have been advanced optimized
Being worth preferred value range is 40kpa-50kpa；And you need to add is that the whole train braking being previously mentioned in above-described embodiment
Magnitude of depressurization is about in 100kpa or so, control that further accurate braking is kept.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of vehicle brake control method characterized by comprising
Zero-speed signal is received, braking relevant parameter is obtained；
Judge whether vehicle braking type is whole train braking according to the braking relevant parameter, if it is, control train pipe
Decompression amount reaches permutation vehicle braking compression release magnitude, if it is not, then the pressure value of the checking cylinder of the power car of control train is reached and protected
Hold brake pressure value.
2. vehicle brake control method according to claim 1, which is characterized in that the braking relevant parameter includes train
The decompression amount of pipe；Judge whether vehicle braking type is whole train braking according to the braking relevant parameter specifically: judge institute
State whether decompression amount is more than decompression amount threshold value, if it is, being whole train braking, if it is not, then being power car independent brake.
3. vehicle brake control method according to claim 2, which is characterized in that the holding brake pressure value is specially
The presupposition multiple of the checking cylinder full power brake pressure value.
4. vehicle brake control method according to claim 2, which is characterized in that further include:
If receiving car slipping signal；
It then controls the train pipe pressure reduction and reaches car slipping magnitude of depressurization.
5. vehicle brake control method according to claim 2, which is characterized in that further include:
If receiving traction signal；
Then judge whether the decompression amount is more than decompression amount threshold value, if it is, control brake unit is in the first preset time
Alleviate the brake force currently kept；If it is not, then alleviating the brake force currently kept in the second preset time.
6. vehicle brake control method according to claim 5, which is characterized in that the traction signal specifically:
The tractive force that vehicle is subject to is greater than the signal of current braking effort or the signal of the non-zero-speed of vehicle.
7. vehicle brake control method according to claim 6, which is characterized in that the value range of the decompression amount threshold value
It is 40kpa-50kpa, including endpoint value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611039909.3A CN106427955B (en) | 2016-11-11 | 2016-11-11 | A kind of vehicle brake control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611039909.3A CN106427955B (en) | 2016-11-11 | 2016-11-11 | A kind of vehicle brake control method |
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| CN106427955A CN106427955A (en) | 2017-02-22 |
| CN106427955B true CN106427955B (en) | 2019-02-26 |
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| CN201611039909.3A Active CN106427955B (en) | 2016-11-11 | 2016-11-11 | A kind of vehicle brake control method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747608A (en) * | 2017-11-03 | 2019-05-14 | 宝沃汽车（中国）有限公司 | Anti-slip control method, system and vehicle |
| CN110758360B (en) * | 2019-10-25 | 2020-09-08 | 中车青岛四方机车车辆股份有限公司 | Train braking control method and device |
| CN112849200A (en) * | 2021-02-08 | 2021-05-28 | 中车青岛四方机车车辆股份有限公司 | Vehicle holding brake control method, device and system and vehicle |
| CN113658479B (en) * | 2021-08-25 | 2023-05-05 | 郑州捷安高科股份有限公司 | Train gas circuit simulation method, device and medium |
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| CN102180165A (en) * | 2011-04-19 | 2011-09-14 | 铁道部运输局 | Method and system for preventing applied accidental parking brake on railway train |
| CN103600739A (en) * | 2013-11-25 | 2014-02-26 | 南车株洲电力机车有限公司 | Rail engineering truck train pipe pressure control method and device |
| CN104691573A (en) * | 2015-01-14 | 2015-06-10 | 南车株洲电力机车有限公司 | Control method and system for static-state holding brake of locomotive |
| CN105128840A (en) * | 2015-08-31 | 2015-12-09 | 南车株洲电力机车有限公司 | Method and device for controlling vehicle control unit in ECP system to safely exit |
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| CN102180165A (en) * | 2011-04-19 | 2011-09-14 | 铁道部运输局 | Method and system for preventing applied accidental parking brake on railway train |
| CN103600739A (en) * | 2013-11-25 | 2014-02-26 | 南车株洲电力机车有限公司 | Rail engineering truck train pipe pressure control method and device |
| CN104691573A (en) * | 2015-01-14 | 2015-06-10 | 南车株洲电力机车有限公司 | Control method and system for static-state holding brake of locomotive |
| CN105128840A (en) * | 2015-08-31 | 2015-12-09 | 南车株洲电力机车有限公司 | Method and device for controlling vehicle control unit in ECP system to safely exit |
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| CN106427955A (en) | 2017-02-22 |
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