CN117141445A - Control method and system for reconnection vehicle - Google Patents
Control method and system for reconnection vehicle Download PDFInfo
- Publication number
- CN117141445A CN117141445A CN202311331654.8A CN202311331654A CN117141445A CN 117141445 A CN117141445 A CN 117141445A CN 202311331654 A CN202311331654 A CN 202311331654A CN 117141445 A CN117141445 A CN 117141445A
- Authority
- CN
- China
- Prior art keywords
- brake
- locomotive
- control
- control unit
- reconnection
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000003137 locomotive effect Effects 0.000 claims abstract description 101
- 230000002159 abnormal effect Effects 0.000 claims abstract description 23
- 230000009191 jumping Effects 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- B60T13/74—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 electrical assistance or drive
-
- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
- B61C17/12—Control gear; Arrangements for controlling locomotives from remote points in the train or when operating in multiple units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
Abstract
A control method and system for a heavy-duty locomotive includes: s1, when a brake of a certain car loses power abnormally, the other car is supplied with power in a redundant mode, and whether a brake battery switch is tripped is judged; if yes, jumping to S2; if not, the abnormal locomotive applies normal braking, and the other locomotives apply punishment braking; s2, judging whether the brake with abnormal power failure is a brake on the control section, if so, jumping to S3; if not, the locomotive continuously operates; s3, judging whether the reconnection control unit fails, if so, the master control locomotive performs punishment braking, and the slave control locomotive performs punishment braking along with the master control locomotive; if not, the control node applies punishment braking, and the non-control node applies punishment braking along with the control node. Compared with the prior art, the application solves the problems of front pulling, back pulling or front blocking and back congestion of the locomotive caused by inconsistent traction or braking of the reconnection locomotive due to abnormal power loss of the control and throttle motor, and ensures the safe operation of the reconnection locomotive.
Description
Technical Field
The application relates to the field of rail transit, in particular to a control method and a control system for a heavy-duty locomotive.
Background
At present, when a reconnection locomotive applied to a railway front line runs, if a single locomotive brake power supply fails abnormally, the following problems exist:
1) Under the working condition of wired external reconnection, when the train is in a traction state, a non-control section of the master control locomotive, a control section of the slave control locomotive or a non-control section control machine of the slave control locomotive is abnormally powered off, a train pipe of the power-off section locomotive is in an exhaust state, common braking is implemented, the control section of the master control locomotive is kept in the traction state, and the locomotive is easy to pull after traction, so that a reconnection locomotive separation accident is caused;
2) Under the wireless reconnection working condition, when the train is in a traction state, the master control locomotive operating section loses power of a brake due to power loss of a locomotive storage battery, the master control locomotive implements service braking, the train pipe is in an exhaust state and is depressurized to 0kPa, the slave control locomotive operating section changes a reconnection pressure maintaining mode, and exhaust is not carried out together with the operating section, so that front blockage and rear congestion easily occur, and a reconnection locomotive derailment accident is caused;
3) Under the working condition of wireless reconnection, when the train is in a traction state, the non-operating control motor of the main control locomotive is abnormally powered off, the power-off motor is used for braking, and other motor-saving locomotives are kept in the traction state, so that front blocking and rear congestion easily occur to cause derailment accidents of the reconnection train set;
4) Under the working condition of wireless reconnection, the slave locomotive control joint or the non-control joint is abnormally powered off, the brake is powered off by the brake power-off joint to implement braking, and other locomotives are kept in a traction state, so that front pulling and back pulling are easy to occur, and train separation accidents are caused.
Disclosure of Invention
The application provides a control method and a control system for a reconnection locomotive, which are used for solving at least one of the problems under the condition of abnormal power failure of a single locomotive brake of the existing reconnection locomotive.
In order to achieve the above purpose, the present application adopts the following technical scheme.
In one aspect, a control method of a reconnection locomotive is provided, and the method is applied to an external reconnection double-section locomotive, and comprises the following steps:
s1, when a brake of one car loses power abnormally, a brake battery of the other car supplies power for the brake in a redundant mode, and whether a brake battery switch is tripped is judged; if yes, jumping to S2; if not, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
s2, judging whether the brake with abnormal power failure is a brake on the control section, if so, jumping to S3; if not, the locomotive continuously operates;
s3, judging whether the reconnection control unit fails, if so, the master control locomotive performs punishment braking, and the slave control locomotive performs punishment braking along with the master control locomotive; if not, the control node applies punishment braking, and the non-control node applies punishment braking along with the control node.
In another aspect, a control system of a multi-locomotive is provided, the system is arranged in an external multi-locomotive, a brake and a brake battery are respectively arranged in two locomotives of the external multi-locomotive, the brake of the local locomotive is electrically connected with the brake battery of the local locomotive and the brake battery of the other locomotive, and the brake battery is configured to supply power for redundancy when the brake of the other locomotive is abnormally powered off; the control system of the multi-split locomotive comprises a central control unit, a brake control unit and a multi-link control unit, wherein the central control unit is respectively in communication connection with the brake control unit and the multi-link control unit;
the central control unit is configured to judge whether a brake battery switch is tripped when the brake of a certain car is abnormally powered off;
if the brake battery switch is judged to be tripped, whether the brake with abnormal power failure is a brake on the control section or not is further judged;
if the brake battery switch is judged not to be tripped, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
if the brake with abnormal power loss is judged to be the brake on the control section, whether the reconnection control unit has a fault is further judged;
if the abnormal power failure is judged to be the brake on the control section, sending a command to a brake control unit, and controlling the locomotive to continuously run by the brake control unit;
if the reconnection control unit is judged to have faults, an instruction is sent to the braking control unit, the braking control unit controls the master control locomotive to implement punishment braking, and the slave control locomotive follows the master control locomotive to implement punishment braking;
if the reconnection control unit is judged to have no fault, an instruction is sent to the brake control unit, the brake control unit controls the control section to apply punishment braking, and the non-control section follows the control section to apply punishment braking.
In some embodiments, two sections of the outer reconnection double-section locomotive are respectively provided with one set of reconnection locomotive control system, and the two sections of the outer reconnection double-section locomotive are respectively provided with a brake control unit in communication connection.
Compared with the prior art, the application has at least the following technical effects or advantages: the problem that the traction or braking of the reconnection locomotive is inconsistent due to abnormal power failure of the control and throttle machine, so that the locomotive is pulled forwards and backwards or blocked forwards and backwards is solved, and the safe operation of the reconnection locomotive is ensured.
Drawings
FIG. 1 is a flow chart of a method for controlling a heavy vehicle according to an embodiment of the application;
fig. 2 is a schematic circuit diagram of a control system of a multi-vehicle according to an embodiment of the application.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1, a control method of a reconnection locomotive is applied to an external reconnection double-section locomotive, and comprises the following steps:
s1, when a brake of one car loses power abnormally, a brake battery of the other car supplies power for the brake in a redundant mode, and whether a brake battery switch is tripped is judged; if yes, jumping to S2; if not, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
s2, judging whether the brake with abnormal power failure is a brake on the control section, if so, jumping to S3; if not, the locomotive continuously operates;
s3, judging whether the reconnection control unit fails, if so, the master control locomotive performs punishment braking, and the slave control locomotive performs punishment braking along with the master control locomotive; if not, the control node applies punishment braking, and the non-control node applies punishment braking along with the control node.
Example two
Referring to fig. 2, a control system of a multi-locomotive is provided in an outer multi-locomotive, wherein a brake and a brake battery are respectively provided in two locomotives of the outer multi-locomotive, the brake of the present locomotive is electrically connected with the brake battery of the present locomotive and the brake battery of the other locomotive, and the brake battery is configured to supply power for redundancy when the brake of the other locomotive is abnormally powered off.
The two-section vehicles of the external reconnection double-section locomotive are respectively provided with a set of reconnection vehicle control system, the reconnection vehicle control system comprises a central control unit CCU, a brake control unit BCU and a reconnection control unit OCE, the central control unit is respectively in communication connection with the brake control unit and the reconnection control unit, and the brake control units respectively arranged in the two-section vehicles are in communication connection with each other.
The central control unit is configured to judge whether a brake battery switch is tripped when the brake of a certain car is abnormally powered off;
if the brake battery switch is judged to be tripped, whether the brake with abnormal power failure is a brake on the control section or not is further judged;
if the brake battery switch is judged not to be tripped, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
if the brake with abnormal power loss is judged to be the brake on the control section, whether the reconnection control unit has a fault is further judged;
if the abnormal power failure is judged to be the brake on the control section, sending a command to a brake control unit, and controlling the locomotive to continuously run by the brake control unit;
if the reconnection control unit is judged to have faults, an instruction is sent to the braking control unit, the braking control unit controls the master control locomotive to implement punishment braking, and the slave control locomotive follows the master control locomotive to implement punishment braking;
if the reconnection control unit is judged to have no fault, an instruction is sent to the brake control unit, the brake control unit controls the control section to apply punishment braking, and the non-control section follows the control section to apply punishment braking.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (3)
1. The control method of the reconnection locomotive is applied to an external reconnection double-section locomotive and comprises the following steps of:
s1, when a brake of one car loses power abnormally, a brake battery of the other car supplies power for the brake in a redundant mode, and whether a brake battery switch is tripped is judged; if yes, jumping to S2; if not, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
s2, judging whether the brake with abnormal power failure is a brake on the control section, if so, jumping to S3; if not, the locomotive continuously operates;
s3, judging whether the reconnection control unit fails, if so, the master control locomotive performs punishment braking, and the slave control locomotive performs punishment braking along with the master control locomotive; if not, the control node applies punishment braking, and the non-control node applies punishment braking along with the control node.
2. The control system of the reconnection locomotive is arranged in an external reconnection double locomotive, a brake and a brake battery are respectively arranged in two locomotives of the external reconnection double locomotive, the brake of the local section is electrically connected with the brake battery of the local section and the brake battery of the other section, and the brake battery is configured to supply power for the brake of the other section in a redundant way when the brake of the other locomotive is abnormally powered off; the method is characterized in that: the control system of the multi-split locomotive comprises a central control unit, a brake control unit and a multi-link control unit, wherein the central control unit is respectively in communication connection with the brake control unit and the multi-link control unit;
the central control unit is configured to judge whether a brake battery switch is tripped when the brake of a certain car is abnormally powered off;
if the brake battery switch is judged to be tripped, whether the brake with abnormal power failure is a brake on the control section or not is further judged;
if the brake battery switch is judged not to be tripped, the locomotive corresponding to the abnormal power-off brake applies normal braking, and other locomotives apply punishment braking;
if the brake with abnormal power loss is judged to be the brake on the control section, whether the reconnection control unit has a fault is further judged;
if the abnormal power failure is judged to be the brake on the control section, sending a command to a brake control unit, and controlling the locomotive to continuously run by the brake control unit;
if the reconnection control unit is judged to have faults, an instruction is sent to the braking control unit, the braking control unit controls the master control locomotive to implement punishment braking, and the slave control locomotive follows the master control locomotive to implement punishment braking;
if the reconnection control unit is judged to have no fault, an instruction is sent to the brake control unit, the brake control unit controls the control section to apply punishment braking, and the non-control section follows the control section to apply punishment braking.
3. The heavy duty vehicle control system of claim 2, wherein: and two sections of the outer reconnection double-section locomotive are respectively provided with a set of reconnection locomotive control system, and the two sections of the outer reconnection double-section locomotive are respectively provided with a brake control unit in communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311331654.8A CN117141445A (en) | 2023-10-13 | 2023-10-13 | Control method and system for reconnection vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311331654.8A CN117141445A (en) | 2023-10-13 | 2023-10-13 | Control method and system for reconnection vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117141445A true CN117141445A (en) | 2023-12-01 |
Family
ID=88910204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311331654.8A Pending CN117141445A (en) | 2023-10-13 | 2023-10-13 | Control method and system for reconnection vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117141445A (en) |
-
2023
- 2023-10-13 CN CN202311331654.8A patent/CN117141445A/en active Pending
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