CN110155006A - A kind of train keeps system, method and the train of release of brake - Google Patents
A kind of train keeps system, method and the train of release of brake Download PDFInfo
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- CN110155006A CN110155006A CN201910385496.1A CN201910385496A CN110155006A CN 110155006 A CN110155006 A CN 110155006A CN 201910385496 A CN201910385496 A CN 201910385496A CN 110155006 A CN110155006 A CN 110155006A
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- China
- Prior art keywords
- train
- brake
- release
- speed
- control unit
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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
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/126—Brakes for railway vehicles coming into operation in case of exceeding a predetermined speed
-
- 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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/16—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Regulating Braking Force (AREA)
Abstract
This application discloses system, method and trains that a kind of train keeps release of brake, which includes: brak control unit, entire car controller and brake apparatus；Each compartment includes a brak control unit；The entire car controller when for judging that the tractive force of vehicle is greater than traction power threshold value, sending first to the brak control unit by network and keeping release of brake instruction；Route where the traction power threshold value is the train reaches the sum of the static friction overcome when sliding force and launch train of the default gradient in overcrowding load；The brak control unit keeps braking for keeping release of brake instruction to control the brake apparatus alleviation according to described first.The system for keeping release of brake using train provided by the present application can ensure train traffic safety, train is avoided the operation that slips by slope and get excited occur when train keeps release of brake.
Description
Technical field
The present invention relates to technical field of vehicle control more particularly to a kind of train keep the system of release of brake, method and
Train.
Background technique
Currently, in order to improve the convenience of traffic, other than high-speed rail and motor-car, the city rail traffic of most cities
Including subway or subway, it is referred to as train above.
General train includes more piece compartment, and high-speed rail includes 8 marshalings and 16 marshalings at present, wherein 16 marshalings
It links together for two 8 marshalings.8 marshalings include 8 compartments, and 16 marshalings include 16 compartments.
Train keeps braking to refer to that train in parking, needs train to keep braking, even if train can come to a complete stop, going up a slope
Route when, guarantee that train comes to a complete stop not car slipping；In the route of descending, guarantees train to come to a complete stop not and glide.
But when train needs to start when driving, need will to keep release of brake, i.e. release keeps braking, enables train
Enough normally travels.But since there are ramps for many train lines, the control logic of release of brake is kept for train at present, is easy
Train is set to be kept for the moment of release of brake the operation that slips by slope and get excited occur, traffic safety can not ensure.
Summary of the invention
In order to solve the above technical problem existing in the prior art, the application provides a kind of train and keeps release of brake
System, method and train, can train keep release of brake when, ensure train traffic safety, avoid train occur slipping by slope and
Impulsion operation.
This application provides the systems that a kind of train keeps release of brake, which includes: brak control unit, vehicle control
Device and brake apparatus processed；Each compartment includes a brak control unit；
The entire car controller, when for judging that the tractive force of vehicle is greater than traction power threshold value, by network to described
Brak control unit sends first and keeps release of brake instruction；Route where the traction power threshold value is the train reaches pre-
If the sum of the static friction overcome when sliding force and launch train of the gradient in overcrowding load；
The brak control unit is alleviated for keeping release of brake instruction to control the brake apparatus according to described first
Keep braking.
Optionally, the entire car controller is also used to judge the train head vehicle compartment when train traction instructs effective
Speed and the speed in trailer compartment when being all larger than pre-set velocity threshold value, send the to the brak control unit by network
Two keep release of brake instruction；Or, leading to when judging that the average speed in each compartment of the train is greater than pre-set velocity threshold value
It crosses network and sends the second holding release of brake instruction to the brak control unit；
The brak control unit, for shielding described second and protecting when receiving the first holding release of brake instruction
Hold release of brake instruction；When not receiving the first holding instruction alleviation instruction, referred to according to the second holding release of brake
It enables to alleviate and keep braking.
Optionally, the brak control unit, for keeping release of brake instruction and described the not receiving described first
When two holding release of brake instructions, the speed in the train head vehicle compartment and the speed in trailer compartment are obtained by the network,
The speed of the speed in the train head vehicle compartment and trailer compartment is compared with pre-set velocity threshold value, when the train head
When the speed in vehicle compartment and the speed in trailer compartment are all larger than the pre-set velocity threshold value, alleviate and keep braking.
Optionally, the brak control unit is also used to the speed of the speed and trailer compartment when the train head vehicle compartment
When spending and be all larger than the pre-set velocity threshold value, and alleviating holding braking, feedback execution information gives the entire car controller.
Optionally, system further include: traction convertor；
When train described in the vehicle control unit controls is in holding on-position, when the handle of the train is applied to
Position is drawn, then traction electric machine is started to work, and the traction convertor is used to obtain the electric current of all traction electric machines, according to institute
The electric current for stating all traction electric machines obtains the tractive force of the vehicle, and the tractive force of the vehicle is sent to the full-vehicle control
Device；The train includes multiple traction electric machines.
The embodiment of the present application also provides a kind of methods that train keeps release of brake, the control for brake list applied to train
Member, comprising the following steps:
The brak control unit in each compartment receives entire car controller by network and sends the first holding release of brake instruction；
The entire car controller judges that described first is sent when the tractive force of vehicle is greater than traction power threshold value keeps release of brake instruction,
Route where the traction power threshold value is the train reaches sliding force and launch train of the default gradient in overcrowding load
When the sum of the static friction that overcomes；
The brak control unit keeps release of brake instruction to control the brake apparatus alleviation holding according to described first
Braking.
Optionally, this method further include:
For the brak control unit when receiving the first holding release of brake instruction, shielding second keeps release of brake
Instruction；When not receiving the first holding instruction alleviation instruction, instructed according to the second holding release of brake to alleviate and protect
Hold braking；
The entire car controller be also used to train traction instruct it is effective when, judge the train head vehicle compartment speed and
When the speed in trailer compartment is all larger than pre-set velocity threshold value, second is sent to the brak control unit by network and keeps making
It is dynamic to alleviate instruction；Or, judge each compartment of the train average speed be greater than pre-set velocity threshold value when, by network to
The brak control unit sends second and keeps release of brake instruction.
Optionally, this method further include:
The brak control unit keeps release of brake instruction and described second to keep braking slow not receiving described first
When solution instruction, the speed in the train head vehicle compartment and the speed in trailer compartment are obtained by the network；By the train head
The speed in vehicle compartment and the speed in trailer compartment are compared with pre-set velocity threshold value, when the speed in the train head vehicle compartment
When being all larger than the pre-set velocity threshold value with the speed in trailer compartment, alleviates and keep braking.
Optionally, this method further include:
It is described that the brak control unit judges that the speed in the train head vehicle compartment and the speed in trailer compartment are all larger than
Pre-set velocity threshold value, and alleviate holding braking when, feedback execution information give the entire car controller.
The embodiment of the present application also provides a kind of train, which includes holding release of brake provided by the embodiments of the present application
System；
The train is 8 marshalings or 16 marshalings；8 marshaling includes 8 compartments, 16 grouped columns
Vehicle includes 16 compartments；
Compared with prior art including a brak control unit, the application at least has following in each compartment
Advantage:
The system that train provided by the present application keeps release of brake includes entire car controller, can be when the traction for judging vehicle
When power is greater than traction power threshold value, first is sent to brak control unit by network and keeps release of brake instruction, the tractive force
Route where threshold value is train reaches the static state overcome when sliding force and launch train of the default gradient in overcrowding load and rubs
The sum of power is wiped, when train starts on the route of upward slope, since the tractive force in vehicle is greater than traction power threshold value Shi Caijin
Row keeps release of brake, and train is not in car slipping, when train starts on the route of descending, since the tractive force of vehicle is big
Holding release of brake is just carried out when drawing power threshold value, enables train smooth starting, slack action is avoided to run.Braking control
Unit processed can keep braking according to the first holding release of brake instruction control brake apparatus to alleviate.
The system that train keeps release of brake is provided using the application, can ensure column when train keeps release of brake
Vehicle traffic safety avoids train from the operation that slips by slope and get excited occur.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, 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
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram for the system that a kind of train provided by the embodiments of the present application keeps release of brake；
Fig. 2 is the schematic diagram for the system that another train provided by the embodiments of the present application keeps release of brake；
Fig. 3 is the flow chart for the method that a kind of train provided by the embodiments of the present application keeps release of brake；
Fig. 4 is a kind of schematic diagram of train provided by the embodiments of the present application.
Specific embodiment
Since the track circuit of train actual motion can have certain ramp, train needs to keep when stopping on ramp
Braking, even if train in the line path-chromatic number of upward slope, guarantees train and comes to a complete stop not car slipping；In the line path-chromatic number of descending, protect
Card train, which comes to a complete stop, not to glide.But when train needs to start when driving, needing will to keep release of brake, i.e. release keeps braking,
Enable train normally travel, and keep the control logic of release of brake for train at present, is protected in launch train
Release of brake is held, is easy that train is made to be kept for the moment of release of brake the operation that slips by slope and get excited occur, protect traffic safety can not
Barrier.
When using air damper manipulation train interval speed regulation or parking, brake force is the train by before and after gradually occurring
The decelerative force of front first occurs and is greater than rear portion, and rear body is anteriorly impacted by inertia effects, forms passenger train impulsion.
In order to solve the above problems existing in the present technology, the application provide a kind of system that train keeps release of brake,
Method and train, when wherein the system keeps the control logic of release of brake to consider train overcrowding's load on train by
Sliding force and the stiction that is subject to of train, while having carried out Redundancy Design, ensure that train by keeping the state of braking to cut
When commutation keeps the state of release of brake, is not in the operation that slips by slope and get excited, improves the safety of train.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one
The embodiment of the present application one provides a kind of system that train keeps release of brake, illustrates with reference to the accompanying drawing.
Referring to Fig. 1, which is the schematic diagram for the system that a kind of train that the embodiment of the present application one provides keeps release of brake.
It includes: brak control unit (BCU, Brake that train provided in this embodiment, which keeps the system 100 of release of brake,
Control Unit) 101, entire car controller 102 and brake apparatus 103.
Entire car controller 102 judges when the tractive force of vehicle is greater than traction power threshold value, by network to control for brake
Unit 101 sends first and keeps release of brake instruction.
Route where the traction power threshold value is train reaches sliding force of the default gradient in overcrowding load and opens with train
The sum of static friction overcome when dynamic.
Usual each compartment includes a brak control unit 101, and each compartment is also generally provided with brake apparatus 103.
Wherein, brak control unit 101 can keep release of brake instruction control brake apparatus 103 to keep system to alleviate according to first
It is dynamic.
The working principle of this system is specifically described below.
When train is in halted state, train occurs slipping by slope or gliding on ramp in order to prevent, and train can keep making
It is dynamic.
After the handle of train is applied to traction position, train is in traction state, and the motor on train starts work at this time
Make, the tractive force of vehicle is obtained according to the electric current of motor, in one possible implementation, traction convertor is led vehicle
Gravitation is uploaded to the network of train, and entire car controller 102 obtains the tractive force of vehicle by network.It include multiple on general train
Traction electric machine is to be overlapped the electric current of all motors above, and the electric current after being overlapped obtains the tractive force of vehicle.
The tractive force of vehicle is compared by entire car controller 102 with traction power threshold value, when the tractive force of vehicle is less than
Or when being equal to traction power threshold value, make train still in holding on-position.
Wherein, route where which is train reaches sliding force and column of the default gradient in overcrowding load
The sum of the static friction that vehicle overcomes when starting.The application is not specifically limited the default gradient, in a kind of possible realization side
In formula, the ruling grade that route where which can be set to train can reach, such as 30 ‰ ramps, the i.e. gradient
Sine value is 30 ‰.
When train is in the ramp gone up a slope, route where train reach sliding force of the default gradient in overcrowding load with
The direction of the static friction overcome when launch train is identical.The traction power threshold value is numerically route where train at this time
The sum of the numerical value of static friction overcome when reaching the numerical value and launch train of sliding force of the default gradient in overcrowding load.
When train is in the ramp of descending, route where train reach sliding force of the default gradient in overcrowding load with
The static friction overcome when launch train it is contrary, and train where route reach the default gradient in overcrowding load
Sliding force static friction for overcoming when being less than launch train, when the traction power threshold value is numerically launch train at this time
Route where the numerical value of the static friction overcome subtracts train reaches the numerical value of sliding force of the default gradient in overcrowding load.
When entire car controller 102 judges the tractive force of current vehicle greater than traction power threshold value, entire car controller 102 is logical
It crosses network and sends the first holding release of brake instruction to brak control unit 101.
Brak control unit 101 can be made after receiving the first holding release of brake instruction according to first holding
Dynamic alleviate instructs control brake apparatus 103 to keep braking to alleviate.
It is practical that since brak control unit 101 controls when the alleviation guarantor of brake apparatus 103 brakes, there are certain delays, so
When the holding braking under traction state is complete remission, the tractive force of vehicle has been above resistance suffered by vehicle, at this time
Train can smooth starting, avoid train from slipping by slope.Tractive force has acted on entire train simultaneously, rather than first acts on
Be responsible for tractor-trailer train compartment, after be transferred to it is other by traction compartment, thus be also avoided that train impulsion operation.
The system that train provided by the embodiments of the present application keeps release of brake includes entire car controller, can work as and judge vehicle
Tractive force be greater than traction power threshold value when, by network to brak control unit send first keep release of brake instruction, should
Route where traction power threshold value is train, which reaches, to be overcome when sliding force and launch train of the default gradient in overcrowding load
The sum of static friction, when train starts on the route of upward slope, since the tractive force in vehicle is greater than traction power threshold value
When just carry out holding release of brake, train is not in car slipping, when train starts on the route of descending, due to leading for vehicle
Gravitation just carries out holding release of brake when being greater than traction power threshold value, enables train smooth starting, slack action is avoided to run.
Brak control unit can keep braking according to the first holding release of brake instruction control brake apparatus to alleviate.Utilize the application
Embodiment provide system, can train keep release of brake when, ensure train traffic safety, avoid train occur slipping by slope and
Impulsion operation.
Embodiment two
The embodiment of the present application two additionally provides the system that another train keeps release of brake, which is based on embodiment one
The system of offer, system provided in this embodiment also carry out Redundancy Design, further improve the security performance of train, tie below
Attached drawing is closed to illustrate.
Referring to fig. 2, which is the signal that another train that the embodiment of the present application two provides keeps the system of release of brake
Figure.
Based on embodiment one, train provided in this embodiment keeps the system 200 of release of brake further include: traction convertor
204。
Entire car controller 102 controls train in when keeping on-position, draws position when the handle of train is applied to, then
Traction electric machine is started to work, and train may include multiple traction electric machines, and traction convertor 204 is for obtaining all traction electric machines
Electric current obtains the tractive force of vehicle according to the electric current of all traction electric machines, then the tractive force of vehicle is sent to entire car controller
102。
When the tractive force and the size of traction power threshold value for causing entire car controller that can not judge vehicle for some reason
When relationship, such as cause entire car controller 102 that can not be had when there is communication failure between traction convertor 204 and network
When the tractive force of body, at the time of in order to judge to carry out holding release of brake, system provided in this embodiment has also carried out redundancy and has set
Meter.
Entire car controller 102 in this system is also used to judge train head vehicle compartment when train traction instructs effective
When speed and the speed in trailer compartment are all larger than pre-set velocity threshold value, second is sent to brak control unit 101 by network
Keep release of brake instruction.
Alternatively, entire car controller 102 may determine that the average speed in each compartment of train is greater than pre-set velocity threshold value
When, second, which is sent, to brak control unit by network keeps release of brake instruction.
When train traction instruction is effective, train first keeps braking, and ramps up to polling power controlling train to train head
The speed in vehicle compartment and the speed in trailer compartment are all larger than the average speed in pre-set velocity threshold value or each compartment greater than default
When speed threshold value, train itself has been started up operation at this time, and the resistance of train at this time is train traction power threshold value and train
Because keeping brake band to carry out the summation of resistance.The tractive force of obvious current train and it is greater than traction power threshold value, train is real at this time
Apply the risk for keeping release of brake not slip by slope.
The embodiment of the present application is not especially limited pre-set velocity threshold value, but since reality is in the shape of train holding braking
Tractor-trailer train can damage train apparatus with excess speed operation under state, therefore smaller, reality is usually arranged in the pre-set velocity threshold value
The selection range of the border pre-set velocity threshold value is generally below 3km/h.
It is understood that brak control unit 101 shows current when receiving the first holding release of brake instruction at this time
System fault-free occurs, therefore shields second and keep release of brake instruction, keeps release of brake instruction to alleviate according to first and keeps
Braking.
When brak control unit 101, which does not receive the first holding instruction, alleviates instruction, referred to according to the second holding release of brake
It enables alleviating and keeps braking.
It is kept in addition, entire car controller 102 ought be caused to send first without normal direction brak control unit 101 for some reason
Release of brake instruction and described second is when keeping release of brake instruction, such as when there is entire car controller 102 and control for brake list
Network failure or entire car controller 102 between member 101 can not obtain the average speed or vehicle in each compartment
When controller 102 can not obtain the speed in vehicle compartment and/or the speed in trailer compartment, system provided in this embodiment
Also further progress Redundancy Design.
At this point, brak control unit 101 is also used to do not receiving the first holding release of brake instruction and the second holding braking
When alleviating instruction, the speed in train head vehicle compartment and the speed in trailer compartment are obtained by network, by the speed in train head vehicle compartment
The speed in degree and trailer compartment is compared with pre-set velocity threshold value, when the speed in train head vehicle compartment and the speed in trailer compartment
When degree is all larger than pre-set velocity threshold value, alleviates and keep braking.
When the speed of the speed in train head vehicle compartment and trailer compartment is all larger than pre-set velocity threshold value, it is clear that current train
Tractive force and be greater than traction power threshold value, implement to keep the risk that does not slip by slope of release of brake at this time.
Further, brak control unit 101 can also be equal when the speed in train head vehicle compartment and the speed in trailer compartment
Greater than pre-set velocity threshold value, and alleviate holding braking when, feed back execution information to entire car controller 102.The execution information can be with
It can also include that current train keeps release of brake including current entire car controller 102 to the control situation of brake apparatus 103
The operation conditions of system and train network.
The system that train provided by the embodiments of the present application keeps release of brake can be protected when train keeps release of brake
Hinder train traffic safety, avoids train from the operation that slips by slope and get excited occur, while ensure that by way of a variety of Redundancy Designs
Network between train traction current transformer and entire car controller between network failure or entire car controller and brak control unit
Failure or entire car controller can not judge the tractive force of vehicle and the size relation or full-vehicle control of traction power threshold value
When device can not obtain the generation of the failures such as compartment speed, which still has the function of above-mentioned holding release of brake.
Embodiment three
The system that the train provided based on the above embodiment keeps release of brake, the embodiment of the present application three additionally provide one kind
The method that train keeps release of brake, illustrates with reference to the accompanying drawing.
Referring to Fig. 3, which is the flow chart for the method that a kind of train that the embodiment of the present application three provides keeps release of brake.
This method is applied to the brak control unit of train, specifically includes the following steps:
S301: entire car controller judges that sending first when the tractive force of vehicle is greater than traction power threshold value keeps release of brake
Instruction, when route where traction power threshold value is train reaches sliding force and launch train of the default gradient in overcrowding load gram
The sum of static friction of clothes.
When train is in the ramp gone up a slope, route where train reach sliding force of the default gradient in overcrowding load with
The direction of the static friction overcome when launch train is identical.The traction power threshold value is numerically route where train at this time
The sum of the numerical value of static friction overcome when reaching the numerical value and launch train of sliding force of the default gradient in overcrowding load.
When train is in the ramp of descending, route where train reach sliding force of the default gradient in overcrowding load with
The static friction overcome when launch train it is contrary, and train where route reach the default gradient in overcrowding load
Sliding force static friction for overcoming when being less than launch train, when the traction power threshold value is numerically launch train at this time
Route where the numerical value of the static friction overcome subtracts train reaches the numerical value of sliding force of the default gradient in overcrowding load.
When entire car controller judges the tractive force of vehicle greater than traction power threshold value, show that train can be opened steadily at this time
It is dynamic, implement to keep release of brake that train will not be made the operation that slips by slope and get excited occur.
S302: the brak control unit in each compartment receives entire car controller by network and sends the first holding release of brake
Instruction.
S303: brak control unit keeps braking according to the first holding release of brake instruction control brake apparatus to alleviate.
Using method provided by the embodiments of the present application, brak control unit is made to be greater than tractive force threshold in the tractive force of vehicle
Brake apparatus is controlled when value and keeps braking to alleviate, and route where being train due to the traction power threshold value reaches the default gradient and exists
The sum of the static friction overcome when sliding force and launch train when overcrowding load, when train, which is alleviated, keeps braking, train
And can smooth starting, ensure train traffic safety, avoid train from the operation that slips by slope and get excited occur.
Optionally, when the tractive force and traction power threshold value for causing entire car controller that can not judge vehicle for some reason
Size relation when, method provided by the embodiments of the present application can with the following steps are included:
S304: when receiving the first holding release of brake instruction, shielding the second holding release of brake refers to brak control unit
It enables；When not receiving the first holding instruction alleviation instruction, keep braking to alleviate according to the second holding release of brake instruction.
Entire car controller judges the speed in train head vehicle compartment and the speed in trailer compartment when train traction instruction is effective
When being all larger than pre-set velocity threshold value, second is sent to the brak control unit by network and keeps release of brake instruction；Or,
When judging that the average speed in each compartment of train is greater than pre-set velocity threshold value, the is sent to brak control unit by network
Two keep release of brake instruction.
Optionally, method provided by the embodiments of the present application can with the following steps are included:
S305: brak control unit is not receiving the first holding release of brake instruction and the first holding release of brake instruction
When, the speed in train head vehicle compartment and the speed in trailer compartment are obtained by network；By the speed and trailer in train head vehicle compartment
The speed in compartment is compared with pre-set velocity threshold value, when the speed in train head vehicle compartment and the speed in trailer compartment are all larger than
When pre-set velocity threshold value, alleviates and keep braking.
Corresponding part in embodiment two can be found in for the explanation of S304 and S305, details are not described herein.
Optionally, this method may also comprise the following steps::
S306: it is described default that brak control unit judges that the speed in train head vehicle compartment and the speed in trailer compartment are all larger than
Threshold speed, and alleviate holding braking when, feedback execution information give the entire car controller.
The execution information may include control situation of the current entire car controller 102 to brake apparatus 103, can also include
Current train keeps the system of release of brake and the operation conditions of train network.
It is understood that the step of above method explanation merely for convenience, does not constitute the restriction for the application,
By the reasonable deformation to above-mentioned steps and other possible implementations can also be obtained to the adjustment of sequence of steps.
The method that train provided by the embodiments of the present application keeps release of brake can not only keep release of brake in train
When, it ensures train traffic safety, avoids train from the operation that slips by slope and get excited occur, while ensure that by way of Redundancy Design
Network between train traction current transformer and entire car controller between network failure or entire car controller and brak control unit
Failure or entire car controller can not judge the tractive force of vehicle and the size relation or full-vehicle control of traction power threshold value
When device can not obtain the generation of the failures such as compartment speed, making train still has the function of above-mentioned holding release of brake.
Example IV
The system that the train provided based on the above embodiment keeps release of brake, the embodiment of the present application four additionally provide one kind
The train that the system of release of brake is kept using the train, illustrates with reference to the accompanying drawing.
Referring to fig. 4, which is a kind of schematic diagram for train that the embodiment of the present application four provides.
Train 400 provided by the embodiments of the present application may include the holding release of brake that embodiment one or embodiment two provide
System.
Embodiment one and embodiment two can be found in for the explanation of the system, details are not described herein.
Train 400 can be 8 marshalings or 16 marshalings.Wherein, 8 marshalings include 8 compartments, 16 grouped columns
Vehicle includes 16 compartments, and each compartment includes a brak control unit.
The system for the holding release of brake having on train provided by the embodiments of the present application, the full-vehicle control which includes
Device can send first to brak control unit by network and protect when the tractive force for judging vehicle is greater than traction power threshold value
Hold release of brake instruction, the traction power threshold value be train where route reach sliding force of the default gradient in overcrowding load with
The sum of static friction overcome when launch train, when train starts on the route of upward slope, due to the tractive force in vehicle
Holding release of brake is just carried out when greater than traction power threshold value, train is not in car slipping, when train opens on the route of descending
When dynamic, since the tractive force of vehicle just carries out holding release of brake greater than when drawing power threshold value, enable train smooth starting,
Slack action is avoided to run.Brak control unit can be protected according to the first holding release of brake instruction control brake apparatus with alleviating
Hold braking.
Train provided by the embodiments of the present application utilize the holding release of brake system, can when keeping release of brake,
The operation that slips by slope and get excited is avoided the occurrence of, there is higher safety.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent
Variation and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (10)
1. the system that a kind of train keeps release of brake characterized by comprising brak control unit, entire car controller and system
Dynamic device；Each compartment includes a brak control unit；
The entire car controller, when for judging that the tractive force of vehicle is greater than traction power threshold value, by network to the braking
Control unit sends first and keeps release of brake instruction；Route where the traction power threshold value is the train reaches default slope
The sum of the static friction overcome when spending the sliding force and launch train in overcrowding load；
The brak control unit is kept for keeping release of brake instruction to control the brake apparatus alleviation according to described first
Braking.
2. system according to claim 1, which is characterized in that the entire car controller is also used to instruct in train traction
When effective, when the speed of the speed and trailer compartment that judge the train head vehicle compartment is all larger than pre-set velocity threshold value, pass through
Network sends second to the brak control unit and keeps release of brake instruction；Or, judging the flat of each compartment of the train
When equal speed is greater than pre-set velocity threshold value, the second holding release of brake is sent to the brak control unit by network and is referred to
It enables；
The brak control unit, for shielding described second and keeping system when receiving the first holding release of brake instruction
It is dynamic to alleviate instruction；Do not receive it is described first keep instruction alleviate instruction when, according to it is described second keep release of brake instruction with
Alleviate and keeps braking.
3. system according to claim 2, which is characterized in that the brak control unit, for not receiving described
When one holding release of brake instruction and the second holding release of brake instruction, pass through the network acquisition train head vehicle vehicle
The speed in compartment and the speed in trailer compartment, and pre-set velocity by the speed in the train head vehicle compartment and the speed in trailer compartment
Threshold value is compared, when the speed in the train head vehicle compartment and the speed in trailer compartment are all larger than the pre-set velocity threshold value
When, alleviate and keeps braking.
4. system according to claim 3, which is characterized in that the brak control unit is also used to when the train head
The speed in vehicle compartment and the speed in trailer compartment are all larger than the pre-set velocity threshold value, and alleviate holding braking when, feedback execute
Information gives the entire car controller.
5. system according to claim 1, which is characterized in that further include: traction convertor；
When train described in the vehicle control unit controls is in holding on-position, when the handle of the train is applied to traction
Position, then traction electric machine is started to work, and the traction convertor is used to obtain the electric current of all traction electric machines, according to the institute
There is the electric current of traction electric machine to obtain the tractive force of the vehicle, the tractive force of the vehicle is sent to the entire car controller；
The train includes multiple traction electric machines.
6. a kind of method that train keeps release of brake, which is characterized in that applied to the brak control unit of train, including it is following
Step:
The brak control unit in each compartment receives entire car controller by network and sends the first holding release of brake instruction；It is described
Entire car controller judges that described first is sent when the tractive force of vehicle is greater than traction power threshold value keeps release of brake instruction, described
When route where traction power threshold value is the train reaches sliding force and launch train of the default gradient in overcrowding load gram
The sum of static friction of clothes；
The brak control unit keeps release of brake instruction to control the brake apparatus alleviation and keeps braking according to described first.
7. according to the method described in claim 6, it is characterized by further comprising:
When receiving the first holding release of brake instruction, shielding the second holding release of brake refers to the brak control unit
It enables；When not receiving the first holding instruction alleviation instruction, instructed according to the second holding release of brake to alleviate and keep
Braking；
The entire car controller is also used to judge the speed and trailer in the train head vehicle compartment when train traction instructs effective
When the speed in compartment is all larger than pre-set velocity threshold value, second is sent to the brak control unit by network and keeps braking slow
Solution instruction；Or, when judging that the average speed in each compartment of the train is greater than pre-set velocity threshold value, by network to described
Brak control unit sends second and keeps release of brake instruction.
8. the method according to the description of claim 7 is characterized in that further include:
The brak control unit do not receive it is described first holding release of brake instruction and it is described second holding release of brake refer to
When enabling, the speed in the train head vehicle compartment and the speed in trailer compartment are obtained by the network；By the train head vehicle vehicle
The speed in compartment and the speed in trailer compartment are compared with pre-set velocity threshold value, when the speed and tail in the train head vehicle compartment
When the speed in vehicle compartment is all larger than the pre-set velocity threshold value, alleviates and keep braking.
9. according to the method described in claim 8, it is characterized by further comprising:
It is described default that the brak control unit judges that the speed in the train head vehicle compartment and the speed in trailer compartment are all larger than
Threshold speed, and alleviate holding braking when, feedback execution information give the entire car controller.
10. a kind of train, which is characterized in that including the described in any item systems for keeping release of brake of claim 1-5；
The train is 8 marshalings or 16 marshalings；8 marshaling includes 8 compartments, the 16 marshaling packet
Include 16 compartments；
Each compartment includes a brak control unit.
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| CN201910385496.1A CN110155006B (en) | 2019-05-09 | 2019-05-09 | Train brake-maintaining and buffering system and method and train |
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| CN201910385496.1A CN110155006B (en) | 2019-05-09 | 2019-05-09 | Train brake-maintaining and buffering system and method and train |
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| CN110155006A true CN110155006A (en) | 2019-08-23 |
| CN110155006B CN110155006B (en) | 2020-06-23 |
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| CN201910385496.1A Active CN110155006B (en) | 2019-05-09 | 2019-05-09 | Train brake-maintaining and buffering system and method and train |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110614985A (en) * | 2019-09-26 | 2019-12-27 | 中车株洲电力机车有限公司 | Brake mitigation control method and device |
| CN110667656A (en) * | 2019-11-14 | 2020-01-10 | 中车株洲电力机车有限公司 | Control method and device |
| CN110758360A (en) * | 2019-10-25 | 2020-02-07 | 中车青岛四方机车车辆股份有限公司 | Train braking control method and device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140249729A1 (en) * | 2013-03-01 | 2014-09-04 | Caterpillar Inc. | Hill Start in a Vehicle |
| CN105235689A (en) * | 2015-11-06 | 2016-01-13 | 株洲南车时代电气股份有限公司 | Method for relieving start-up impulse of rail train |
| CN106828463A (en) * | 2017-02-14 | 2017-06-13 | 中车株洲电力机车有限公司 | A kind of rail vehicle and its control system |
| CN107512276A (en) * | 2017-07-28 | 2017-12-26 | 中车南京浦镇车辆有限公司 | A kind of launch train impact regulation control method based on TCMS system |
| CN108099909A (en) * | 2017-11-30 | 2018-06-01 | 中车唐山机车车辆有限公司 | Control method, system and the equipment of vehicle launch |
-
2019
- 2019-05-09 CN CN201910385496.1A patent/CN110155006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140249729A1 (en) * | 2013-03-01 | 2014-09-04 | Caterpillar Inc. | Hill Start in a Vehicle |
| CN105235689A (en) * | 2015-11-06 | 2016-01-13 | 株洲南车时代电气股份有限公司 | Method for relieving start-up impulse of rail train |
| CN106828463A (en) * | 2017-02-14 | 2017-06-13 | 中车株洲电力机车有限公司 | A kind of rail vehicle and its control system |
| CN107512276A (en) * | 2017-07-28 | 2017-12-26 | 中车南京浦镇车辆有限公司 | A kind of launch train impact regulation control method based on TCMS system |
| CN108099909A (en) * | 2017-11-30 | 2018-06-01 | 中车唐山机车车辆有限公司 | Control method, system and the equipment of vehicle launch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110614985B (en) * | 2019-09-26 | 2020-12-11 | 中车株洲电力机车有限公司 | Brake mitigation control method and device |
| CN110758360A (en) * | 2019-10-25 | 2020-02-07 | 中车青岛四方机车车辆股份有限公司 | Train braking control method and device |
| CN110667656A (en) * | 2019-11-14 | 2020-01-10 | 中车株洲电力机车有限公司 | Control method and device |
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| CN113562027B (en) * | 2020-04-29 | 2023-08-08 | 比亚迪汽车工业有限公司 | Train protection method, device, computer equipment and storage medium |
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| CN111994056B (en) * | 2020-08-10 | 2022-01-07 | 中车唐山机车车辆有限公司 | Braking force distribution method, device and system for urban rail train |
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| CN112265447A (en) * | 2020-10-23 | 2021-01-26 | 中车株洲电力机车有限公司 | Starting control method, system, equipment and storage medium of magnetic-levitation train |
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