CN109159779A - A kind of rail vehicle and its braking method, system - Google Patents
A kind of rail vehicle and its braking method, system Download PDFInfo
- Publication number
- CN109159779A CN109159779A CN201810996455.1A CN201810996455A CN109159779A CN 109159779 A CN109159779 A CN 109159779A CN 201810996455 A CN201810996455 A CN 201810996455A CN 109159779 A CN109159779 A CN 109159779A
- Authority
- CN
- China
- Prior art keywords
- rail vehicle
- braking
- control unit
- emergency
- module
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- 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
-
- 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
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
Abstract
The invention discloses a kind of braking methods of rail vehicle, including receive emergency braking instruction；Judge electronic brake control unit with the presence or absence of failure；If so, being braked using security brake modes to rail vehicle；If not, being braked using emergency brake modes to rail vehicle.Using method of the invention, on the one hand, be not in because the problem of braking function is lost caused by electronic brake control unit failure, improves the availability and security performance of rail vehicle；On the other hand, the risk that wheel is scratched is reduced, the workload and maintenance cost of maintenance personnel are reduced.The present invention also provides a kind of braking system of rail vehicle and rail vehicles, have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to field of track traffic, more particularly to a kind of braking method of rail vehicle.The invention further relates to
A kind of braking system and rail vehicle of rail vehicle.
Background technique
Braking function is one of basic function of rail vehicle, and the reliability of braking function is directly related to rail vehicle
Security performance.Generally there is emergency braking using the rail vehicle of brake fluid system, safety arrestment and service braking etc. are a variety of
Braking mode.
In the prior art, when rail vehicle encounters emergency case or using emergency brake modes or using peace
Full application of brake mode.When using security brake modes, security brake modes are to directly control safety arrestment electromagnetism by vehicle rigid line
What valve was implemented, as long as safety arrestment solenoid valve power loss, security brake modes will enable, not by electricity such as electronic brake control units
The influence of subassembly and software, high reliablity, still, security brake modes are to apply a constant brake force, without load
In the case that functions, the especially vehicle such as compensation and slide protective are in side crops industry, the risk that wheel is scratched is very high, improves
The workload and maintenance cost of maintenance personnel.When using emergency brake modes, emergency brake modes are controlled by deceleration of electrons
Unit control is implemented, and electronic brake control unit combines load signal by receiving the instruction of control unit for vehicle, to hydraulic
Checking cylinder needed for unit output controls pressure, which has the function of load compensation and slide protective, but due to promptly making
Dynamic model formula is controlled implementation by electronic brake control unit, once electronic brake control unit breaks down, the deceleration of electrons control
The emergency braking function in the compartment where unit processed is also lost therewith, and the security performance of vehicle is not high.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The object of the present invention is to provide a kind of braking methods of rail vehicle, on the one hand, is not in because of deceleration of electrons
The problem of braking function is lost caused by control unit failure, improves the availability and security performance of vehicle；On the other hand,
The risk that wheel is scratched is reduced, the workload and maintenance cost of maintenance personnel are reduced.It is another object of the present invention to mention
For the braking system and rail vehicle of a kind of rail vehicle, there is above-mentioned beneficial effect.
In order to solve the above technical problems, the present invention provides a kind of braking methods of rail vehicle, comprising:
Receive emergency braking instruction；
Judge electronic brake control unit with the presence or absence of failure；
If so, being braked using security brake modes to rail vehicle；If not, using emergency brake modes to rail
Road vehicle is braked.
Preferably,
It has been arranged in parallel and has received between safety arrestment solenoid valve and the power supply powered for the safety arrestment solenoid valve
The emergency braking disconnects when instructing, when the emergency stop switch module and the electronic brake control unit failure that are otherwise closed
The emergency braking breakdown switch module being closed when disconnecting, is normal；
The judgement electronic brake control unit whether there is the process of failure specifically:
Judge whether the emergency braking breakdown switch module disconnects, if it is, determining that the deceleration of electrons control is single
There are failures for member；If it is not, then determining the electronic brake control unit, there is no failures.
Preferably, the emergency stop switch module is the contact of emergency braking relay.
Preferably, the emergency braking breakdown switch module is the contact that deceleration of electrons controls relay；
The coil of deceleration of electrons control relay, switch module and be deceleration of electrons control relay power supply
Power supply connection forming circuit, the control terminal of the switch module are connect with the output end of the electronic brake control unit.
Preferably, the process for receiving emergency braking instruction specifically:
The emergency braking instruction that room and/or signal system are controlled in reception department and/or vigilance device issues.
Preferably, determine that the electronic brake control unit is deposited after a failure, this method further include:
Control alarm module sounds an alarm.
Preferably, the alarm module is indicator light and/or buzzer.
In order to solve the above technical problems, the present invention also provides a kind of braking systems of rail vehicle, comprising:
Receiving module, for receiving emergency braking instruction；
Judgment module, for judging electronic brake control unit with the presence or absence of failure；If it is, triggering safety arrestment mould
Block；If it is not, then triggering emergency braking module；
The safety arrestment module, for being braked using security brake modes to rail vehicle；
The emergency braking module, for being braked using emergency brake modes to rail vehicle.
Preferably, further includes: alarm module issues police for depositing in the judgement electronic brake control unit after a failure
Report reminds electronic brake control unit described in driver that there are failures.
In order to solve the above technical problems, the present invention also provides a kind of rail vehicle, including it is as described in any one of the above embodiments
The braking system of rail vehicle.
The present invention provides a kind of braking methods of rail vehicle, including receive emergency braking instruction；Judge deceleration of electrons
Control unit whether there is failure；If it is, being braked using security brake modes to rail vehicle；If it is not, then adopting
Rail vehicle is braked with emergency brake modes.
As it can be seen that, when encountering emergency case, rail vehicle can preferentially use emergency braking using method provided by the invention
Mode brakes rail vehicle, only just converts emergency brake modes there are when failure in electronic brake control unit
For security brake modes.It on the one hand, is not in because braking function is lost caused by electronic brake control unit failure
Problem improves the availability and security performance of vehicle；On the other hand, the risk that wheel is scratched is reduced, maintenance is reduced
The workload and maintenance cost of personnel.
The present invention also provides a kind of braking system of rail vehicle and rail vehicle, have as above-mentioned optimization method is identical
Beneficial effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of flow chart of the braking method of rail vehicle provided by the present invention；
Fig. 2 is a kind of partial structure diagram of the braking system of rail vehicle provided by the present invention；
Fig. 3 is a kind of structural schematic diagram of the braking system of rail vehicle provided by the present invention.
Specific embodiment
Core of the invention is to provide a kind of braking method of rail vehicle, on the one hand, is not in because of deceleration of electrons
The problem of braking function is lost caused by control unit failure, improves the availability and security performance of vehicle；On the other hand,
The risk that wheel is scratched is reduced, the workload and maintenance cost of maintenance personnel are reduced；Another core of the invention is to mention
For the braking system and rail vehicle of a kind of rail vehicle, there is above-mentioned beneficial effect.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 is please referred to, Fig. 1 is a kind of flow chart of the braking method of rail vehicle provided by the present invention, comprising:
Step 1: receiving emergency braking instruction；
Specifically, emergency braking instruction, track can be triggered by different approaches when rail vehicle encounters emergency case
Vehicle receives emergency braking instruction.
Step 2: judging electronic brake control unit with the presence or absence of failure；
It is understood that because the emergency braking of brake fluid system is to be controlled to implement by electronic brake control unit
, once electronic brake control unit breaks down, the emergency braking function in the compartment where the electronic brake control unit
It loses therewith, therefore electronic brake control unit is applied into sentencing for which kind of braking mode as rail vehicle with the presence or absence of failure
According to.
Step 3: if so, being braked using security brake modes to rail vehicle；
It is understood that if electronic brake control unit there are failure, where the electronic brake control unit
The emergency braking function in compartment is also lost therewith, influences the emergency braking performance of vehicle.Therefore judging that deceleration of electrons control is single
Member is deposited after the failure, and emergency brake modes are converted to the security brake modes directly controlled by rail vehicle rigid line to vehicle
It is braked, braking ability needed for still can satisfy rail vehicle.
Step 4: if not, being braked using emergency brake modes to rail vehicle.
It is understood that if it is determined that failure is not present in electronic brake control unit, then continuing using with load
The emergency brake modes of compensation function and slide protective function brake rail vehicle.
As it can be seen that, when encountering emergency case, rail vehicle can preferentially use emergency braking using method provided by the invention
Mode brakes rail vehicle, only just converts emergency brake modes there are when failure in electronic brake control unit
For security brake modes.On the one hand, when implementing emergency braking, as long as any one deceleration of electrons control on rail vehicle is single
Member breaks down, and will be converted to safety arrestment, is not in because of braking work caused by electronic brake control unit failure
The problem of capable of losing, improves the availability and security performance of vehicle；On the other hand, the risk that wheel is scratched is reduced, is subtracted
The small workload and maintenance cost of maintenance personnel.
On the basis of the above embodiments:
Referring to FIG. 2, a kind of Fig. 2 partial structure diagram of the braking system of rail vehicle provided by the present invention.
In this specific embodiment, between safety arrestment solenoid valve and the power supply powered for safety arrestment solenoid valve simultaneously
Connection is provided with disconnection when receiving emergency braking instruction, and the emergency stop switch module 21 being otherwise closed and deceleration of electrons control are single
The emergency braking breakdown switch module 22 being closed when being disconnected when first failure, is normal；
Judge that electronic brake control unit whether there is the process of failure specifically:
Judge whether emergency braking breakdown switch module 22 disconnects, if it is, determining that electronic brake control unit exists
Failure；If it is not, then determining that failure is not present in electronic brake control unit.
Specifically, being arranged in parallel reception between safety arrestment solenoid valve and the power supply powered for safety arrestment solenoid valve
It is disconnected when the emergency stop switch module 21 and electronic brake control unit failure that are otherwise closed to being disconnected when emergency braking instruction
The emergency braking breakdown switch module 22 being closed when opening, is normal.
When rail vehicle normally travel, no emergency braking applies, and emergency stop switch module 21 is closure, no matter electric
Sub- brak control unit whether failure, safety arrestment solenoid valve it is electric, rail vehicle with high safety will not be braked.
When rail vehicle encounters emergency case, rail vehicle triggers emergency braking by different approach and instructs, promptly
The disconnection when receiving emergency braking instruction of brake switch module 21:
At this time if emergency braking breakdown switch module 22 is closure, illustrating electronic brake control unit, there is no events
Barrier is conducting between safety arrestment solenoid valve and the power supply powered for safety arrestment solenoid valve, so safety arrestment solenoid valve
Must be electric, rail vehicle still uses emergency brake modes；
At this time if emergency braking breakdown switch module 22 is to disconnect, illustrate electronic brake control unit there are failure,
Cause safety arrestment solenoid valve and the open circuit between the power supply of safety arrestment solenoid valve power supply, safety arrestment solenoid valve power loss, rail
Emergency brake modes are converted to security brake modes, rail vehicle braking with high safety by road vehicle.
Embodiment as one preferred, emergency stop switch module 21 are the contact of emergency braking relay.
Specifically, emergency braking relay is original device on rail vehicle, can increase for emergency braking relay
One contact is as emergency stop switch module 21, and when receiving emergency braking instruction, the coil of emergency braking relay is obtained
Electricity, the contact closure of emergency braking relay；Otherwise, the contact of emergency braking relay disconnects.Using the original on rail vehicle
There is device as emergency stop switch module 21, so that the embodiment of the present invention is easy to maintain, while also saving cost.
Certainly, the emergency stop switch module 21 of other forms can also be with as long as be able to satisfy demand of the invention.
Embodiment as one preferred, emergency braking breakdown switch module 22 are the touching that deceleration of electrons controls relay
Point；
Coil, the switch module of deceleration of electrons control relay are connected with the power supply for controlling relay power supply for deceleration of electrons
Forming circuit, the control terminal of switch module and the output end of electronic brake control unit connect.
Specifically, emergency braking breakdown switch module 22 can control the contact of relay for deceleration of electrons.When electronics system
When failure is not present in dynamic control unit, what electronic brake control unit issued is high level, and the control terminal of switch module receives
High level, so that switch module is closed, the coil of deceleration of electrons control relay obtains electric, the contact of deceleration of electrons control relay
Closure；When electronic brake control unit is there are when failure, what electronic brake control unit issued is low level or does not issue letter
Number, the control terminal of switch module receives low level or does not receive signal, so that switch module remains open, deceleration of electrons
The coil losing electricity of relay is controlled, the contact of deceleration of electrons control relay remains open.Relay is controlled using deceleration of electrons
Contact as emergency braking breakdown switch module, with simple, the easy to maintain advantage of structure.
It should be noted that switch module here can be triode or MOS (Metal Oxide
Semiconductor, metal-oxide-semiconductor) pipe, naturally it is also possible to it is other kinds of switch module, as long as can be full
Foot demand of the invention.
Embodiment as one preferred receives the process of emergency braking instruction specifically:
The emergency braking instruction that room and/or signal system are controlled in reception department and/or vigilance device issues.
Specifically, driver can perceive and issue urgent system by department's control room when rail vehicle encounters emergency case
Dynamic instruction；It is urgent to issue that the signal system or vigilance device of rail vehicle may also detect that vehicle encounters emergency case
Braking instruction.
Embodiment as one preferred determines that electronic brake control unit is deposited after a failure, this method further include:
Control alarm module sounds an alarm.
Embodiment as one preferred, alarm module are indicator light and/or buzzer.
Specifically, being deposited after a failure in judgement electronic brake control unit, it can control alarm module and sound an alarm, so as to
In prompting driver's electronic brake control unit, there are failures.Alarm module can with but be not only limited in indicator light or buzzer
Both one kind can also have, the two realization is mutually redundant, and further improve alarm reliability.
Referring to figure 3., Fig. 3 is a kind of structural schematic diagram of the braking system of rail vehicle provided by the present invention.Include:
Receiving module 1, for receiving emergency braking instruction；
Judgment module 2, for judging electronic brake control unit with the presence or absence of failure；If it is, triggering safety arrestment
Module 4；If it is not, then triggering emergency braking module 3；
Emergency braking module 3, for being braked using emergency brake modes to rail vehicle；
Safety arrestment module 4, for being braked using security brake modes to rail vehicle.
Embodiment as one preferred, further includes: alarm module, for determining electronic brake control unit in the presence of event
It is sounded an alarm after barrier and reminds driver's electronic brake control unit that there are failures.
Above-described embodiment is please referred to for a kind of introduction of the braking system of rail vehicle provided by the invention, the present invention exists
This is repeated no more.
The present invention also provides a kind of rail vehicle, the braking systems of the rail vehicle including such as any of the above-described.
Above-described embodiment is please referred to for a kind of rail vehicle introduction provided by the invention, details are not described herein by the present invention.
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.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
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 (10)
1. a kind of braking method of rail vehicle, which is characterized in that this method comprises:
Receive emergency braking instruction；
Judge electronic brake control unit with the presence or absence of failure；
If so, being braked using security brake modes to the rail vehicle；If not, using emergency brake modes to institute
Rail vehicle is stated to be braked.
2. the braking method of rail vehicle as described in claim 1, which is characterized in that
It has been arranged in parallel between safety arrestment solenoid valve and the power supply powered for the safety arrestment solenoid valve described in receiving
Emergency braking disconnects when instructing, disconnected when the emergency stop switch module and the electronic brake control unit failure that are otherwise closed
The emergency braking breakdown switch module being closed when opening, is normal；
The judgement electronic brake control unit whether there is the process of failure specifically:
Judge whether the emergency braking breakdown switch module disconnects, if it is, determining that the electronic brake control unit is deposited
In failure；If it is not, then determining the electronic brake control unit, there is no failures.
3. the braking method of rail vehicle as claimed in claim 2, which is characterized in that the emergency stop switch module is tight
The contact of anxious braking relay.
4. the braking method of rail vehicle as claimed in claim 2, which is characterized in that the emergency braking breakdown switch module
The contact of relay is controlled for deceleration of electrons；
Coil, switch module and the power supply that relay power supply is controlled for the deceleration of electrons of the deceleration of electrons control relay
Connection forming circuit, the control terminal of the switch module are connect with the output end of the electronic brake control unit.
5. the braking method of rail vehicle as described in claim 1, which is characterized in that the mistake for receiving emergency braking instruction
Journey specifically:
The emergency braking instruction that room and/or signal system are controlled in reception department and/or vigilance device issues.
6. the braking method of rail vehicle as described in any one in claim 1-5, which is characterized in that determine the deceleration of electrons
Control unit is deposited after a failure, this method further include:
Control alarm module sounds an alarm.
7. the braking method of rail vehicle as claimed in claim 6, which is characterized in that the alarm module be indicator light and/
Or buzzer.
8. a kind of braking system of rail vehicle characterized by comprising
Receiving module, for receiving emergency braking instruction；
Judgment module, for judging electronic brake control unit with the presence or absence of failure；If it is, triggering safety arrestment module；
If it is not, then triggering emergency braking module；
The safety arrestment module, for being braked using security brake modes to rail vehicle；
The emergency braking module, for being braked using emergency brake modes to rail vehicle.
9. the braking system of rail vehicle as claimed in claim 8, which is characterized in that further include: alarm module, for sentencing
The fixed electronic brake control unit, which is deposited to sound an alarm after a failure, reminds electronic brake control unit described in driver that there are failures.
10. a kind of rail vehicle, which is characterized in that the braking system including such as described in any item rail vehicles of claim 8-9
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996455.1A CN109159779A (en) | 2018-08-29 | 2018-08-29 | A kind of rail vehicle and its braking method, system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996455.1A CN109159779A (en) | 2018-08-29 | 2018-08-29 | A kind of rail vehicle and its braking method, system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109159779A true CN109159779A (en) | 2019-01-08 |
Family
ID=64893153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996455.1A Pending CN109159779A (en) | 2018-08-29 | 2018-08-29 | A kind of rail vehicle and its braking method, system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109159779A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712641A (en) * | 2019-09-26 | 2020-01-21 | 潍柴动力股份有限公司 | Method and device for detecting functional failure of brake component |
| CN111762137A (en) * | 2020-07-14 | 2020-10-13 | 中车株洲电力机车有限公司 | Anti-skid protection system and method for rack control mobile system |
| WO2023005015A1 (en) * | 2021-07-30 | 2023-02-02 | 中车长春轨道客车股份有限公司 | Braking system of railway vehicle and method for monitoring braking system of railway vehicle |
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| US6286913B1 (en) * | 1995-11-09 | 2001-09-11 | Westinghouse Air Brake Company | Limp-in control arrangement for an electro-pneumatic brake control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110712641A (en) * | 2019-09-26 | 2020-01-21 | 潍柴动力股份有限公司 | Method and device for detecting functional failure of brake component |
| CN111762137A (en) * | 2020-07-14 | 2020-10-13 | 中车株洲电力机车有限公司 | Anti-skid protection system and method for rack control mobile system |
| CN111762137B (en) * | 2020-07-14 | 2021-07-16 | 中车株洲电力机车有限公司 | Anti-skid protection system and method for rack control mobile system |
| WO2023005015A1 (en) * | 2021-07-30 | 2023-02-02 | 中车长春轨道客车股份有限公司 | Braking system of railway vehicle and method for monitoring braking system of railway vehicle |
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Application publication date: 20190108 |