CN107054414B - Remote restart control method and device for urban rail transit signal equipment - Google Patents
Remote restart control method and device for urban rail transit signal equipment Download PDFInfo
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- CN107054414B CN107054414B CN201710253430.8A CN201710253430A CN107054414B CN 107054414 B CN107054414 B CN 107054414B CN 201710253430 A CN201710253430 A CN 201710253430A CN 107054414 B CN107054414 B CN 107054414B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2205/00—Communication or navigation systems for railway traffic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention relates to a remote restart control method and a device for urban rail transit signal equipment, wherein the method comprises the steps of 1) executing a power control command on a central layer operation terminal A and the like; the device comprises an operation terminal A, an operation terminal B, a center checking server, a station workstation A, a station workstation B, a hardware controller A and a hardware controller B, wherein the operation terminal A, the center checking server, the station workstation A and the hardware controller A are sequentially connected, the operation terminal B, the center checking server, the station workstation B and the hardware controller B are sequentially connected to form independent communication links, the hardware controller A is connected with the hardware controller B, and the hardware controller A and the hardware controller B are respectively connected with a power switch loop of the urban rail transit signal equipment. Compared with the prior art, the method realizes remote restart of the fault equipment for the first time, and has the advantages of safety, reliability, high efficiency and the like.
Description
Technical Field
The invention relates to a control method and a control device for signal equipment in the field of urban rail transit, in particular to a remote restart control method and a remote restart control device for urban rail transit signal equipment.
Background
The CBTC automatic train control system comprises an ATS subsystem, an ATC subsystem, a station interlocking subsystem and the like, provides technical support for the safe operation of the urban rail transit train, and a large number of computer devices such as trackside Zone Control (ZC), LATS devices, interlocking lower computers and the like exist in the subsystems, and are dispersed in each station signal mechanical room along the line. When signal equipment, especially signal equipment of an unattended station breaks down, manual intervention is needed to restart the signal equipment, so that the fault recovery time is prolonged. Meanwhile, according to the maintenance requirements of some urban rail transit operation units, regular restarting operation needs to be carried out on the signal equipment, and a large amount of manpower and time are consumed originally.
The traditional method for restarting the signal equipment mostly adopts a manual field to directly control an air switch to drive the power circuit of the signal equipment to be switched off and switched on, and the following problems can be faced according to the two application scenes:
1. the daily maintenance work efficiency problem. The manual field control switch consumes higher labor cost and longer operation time in the daily regular restarting operation maintenance process. Especially, when signal equipment breaks down, some influence the normal operation of trains, and it is especially important to shorten the time for processing the fault.
2. Reliability issues. The reliability and the accuracy of the manual field control switch are completely ensured by individuals. Misoperation is easy to occur.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a remote restart control method and a remote restart control device for urban rail transit signal equipment, realizes remote restart of fault equipment for the first time, has the advantages of safety, reliability, high efficiency and the like, provides a reliable technical means for reducing fault delay, improving fault recovery capability and improving maintenance level of the urban rail transit signal equipment, and initiates maintenance operation of the urban rail transit signal equipment.
The purpose of the invention can be realized by the following technical scheme:
a remote restart control method for urban rail transit signal equipment guarantees safety and reliability of instruction issuing and execution through check of double links, and specifically comprises the following steps:
1) Executing a power control command on the central layer operation terminal A;
2) The power supply control command is distributed to a station workstation A through a central verification server;
3) The station workstation A receives the power control command and then forwards the power control command to the hardware controller A;
4) After receiving a power control command, the hardware controller A randomly generates a command check code, and then sends the command check code to the hardware controller B and the central operation terminal A along an original communication link;
5) When the command check code is transmitted to the central check server node, the check of the command check code and the source control command is completed to ensure that the command check code corresponds to the control command;
6) The command check code returned by the operation terminal A is input to the operation terminal B again and the same control command is executed, and the control command is sent to the hardware controller B through the center check server and the station workstation B;
7) After receiving the command check code and the control command, the central check server completes comparison with the command check code obtained after the control command is sent by the operation terminal A, if the comparison fails, the central check server discards the control command sent by the operation terminal B, and if the comparison succeeds, the subsequent steps are continued;
8) The hardware controller B compares command check codes generated by the operation terminal B and the hardware controller A, if the command check codes are not consistent, the hardware controller A and the hardware controller B are instructed to discard control commands at the same time, and if the command check codes are consistent, the subsequent steps are continued;
9) The hardware controller A and the hardware controller B need overtime confirmation after being delayed by command setting, if overtime, the hardware controller A and the hardware controller B discard the control command at the same time, if not, the subsequent steps are continued;
10 The hardware controller A and the hardware controller B execute control commands at the same time, and finally closing and opening of a control loop are completed.
The utility model provides a long-range restart controlling means for urban rail transit signal equipment, includes operation terminal A, operation terminal B, center check-up server, station workstation A, station workstation B, hardware controller A and hardware controller B, operation terminal A, center check-up server, station workstation A and hardware controller A connect gradually, operation terminal B, center check-up server, station workstation B and hardware controller B connect gradually, constitute independent communication link separately, hardware controller A be connected with hardware controller B, hardware controller A and hardware controller B be connected with urban rail transit signal equipment switch return circuit respectively.
The operation terminal A is a preset control command terminal, and the operation terminal B is a control command execution terminal.
The central checking server consists of two PC servers in redundant configuration relationship.
Station workstation be small-size industrial computer for be responsible for: 1) Establishing communication with a central checking server, acquiring a control command issued in real time and forwarding the control command to a hardware controller; 2) And establishing communication with the hardware controller, receiving the returned state information in real time and forwarding the returned state information to the central checking server.
The hardware controller is a PLC controller and is used for being responsible for: 1) Establishing communication with a station workstation, and receiving and executing a control command; 2) And driving the isolation relay to drive the RC control module to act so as to carry out switching-off and switching-on of the power supply loop.
Compared with the prior art, the invention has the following advantages:
by adopting the method and the device for controlling the remote power supply of the urban rail transit signal equipment, the working intensity of maintenance personnel can be effectively reduced, the working efficiency of daily maintenance operation is improved, the time delay of fault processing is reduced, and the possibility of misoperation is reduced.
Drawings
FIG. 1 is a flow chart of a remote restart control method for an urban rail transit signal device according to the present invention;
FIG. 2 is a schematic diagram of a system structure of a remote restart control device for an urban rail transit signal equipment according to the present invention;
fig. 3 is a schematic diagram of a signal equipment control loop principle of the remote restart control device for the urban rail transit signal equipment according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
As shown in fig. 1, a remote power control method applied to an urban rail transit signal device includes the following steps:
step 1, an operator firstly executes a power control command on a central layer operation terminal A, the operation mode is that an operation interface related to a graphic interface related device primitive is operated and clicked, and the operation terminal generates a control command m.
Step 2, distributing the control command m generated in the step 1 to a station workstation A through a central verification server;
and 4, after the hardware controller A receives the control command m, randomly generating a command check code n. Then sending the command check code B to the hardware controller B and sending the command check code B to the central operation terminal A along the original communication link;
and 5, when the command check code n passes through the central check server node, the central check server completes the check of the command check code n and the source control command m so as to ensure that the command check code corresponds to the control command. If the verification is not passed, the central verification server discards the control command verification code n, the operation terminal A gives prompt information, and the operation is finished. If the verification is passed, continuing the subsequent steps;
step 6, the operator inputs the command check code n returned and displayed by the operation terminal A to the operation terminal B again and executes the same control command q, and the control command q is sent to the hardware controller B through the central check server and the station workstation B;
and 7, after receiving the command check code n and the control command q sent by the operation terminal B, the central check server completes comparison with the command check code n obtained after the operation terminal A sends the control command m. And if the comparison fails, the central server discards the control command q sent by the operation terminal B. If the comparison is successful, continuing the subsequent steps;
and 8, comparing the command check codes generated by the operation terminal B and the hardware controller A by the hardware controller, and if the command check codes are not consistent, discarding the control command by the command controller A, B to finish the step. If the two are consistent, continuing the subsequent steps;
and 9, setting time delay between the commands by the hardware controller A and the hardware controller B, and confirming the overtime of the control command. If time out, the hardware controller discards control commands m and q, ending the step. If not, continuing the subsequent steps;
step 10, after the steps 1-9 are normally executed, the hardware controller A and the hardware controller B simultaneously execute the control commands m and q, and finally complete the closing and opening of the control loop
As shown in fig. 2, the remote restart control device applied to the urban rail transit signal equipment comprises an operation terminal Aa, an operation terminal B b, a redundant center check server c, a station workstation Ad, a station workstation Be, a hardware controller Af and a hardware controller Bg, wherein the operation terminal Aa, the center check server c, the station workstation Aa and the hardware controller Af are sequentially connected, the operation terminal Bb, the center check server c, the station workstation Be and the hardware controller Bg are sequentially connected, an independent data communication link is formed based on an industrial ethernet, the hardware controller Af is connected with the hardware controller Bg, an independent data communication link is formed based on an RS485 serial port, and the hardware controller Af and the hardware controller Bg are connected with a power switch loop of the urban rail transit signal equipment.
Each device node is illustrated below:
1. the operation terminal Aa and the operation terminal Bb:
the operation terminal is constructed based on a workstation and is mainly responsible for 1) establishing communication with remote control server software, sending a control command and receiving recovery state information; 2) Displaying the recovery information and the communication state information through a graphical interface; 3) And performing man-machine operation through a graphical interface.
The two operation terminals have different responsibilities, wherein the operation terminal A is a preset control command terminal, and the operation terminal B is a control command execution terminal.
2. The central verification server c:
the central checking server is constructed based on two PC servers, the two servers are in a redundant configuration relationship and are mainly responsible for 1) establishing communication with a station workstation, acquiring real-time loopback state information, issuing a control command and operating on/off of a breaker; 2) Establishing communication with operation terminal software, sending a real-time loopback state to an operation terminal, and acquiring a control command; 3) And checking the control command at the server side, and returning failure information when the control command is not checked.
3. Station workstation Ad and station workstation Be:
the station workstation is constructed based on a small industrial personal computer and is mainly responsible for 1) establishing communication with a central verification server, acquiring a control command issued in real time and forwarding the control command to a hardware controller; 2) And establishing communication with the hardware controller, receiving the returned state information in real time and forwarding the returned state information to the central checking server.
4. Hardware controller Af and hardware controller Bg:
the hardware controller is constructed based on PLC and is responsible for 1) establishing communication with the station workstation, receiving and executing a control command; 2) And driving the isolation relay to drive the RC control module to act so as to carry out switching-off and switching-on of the power supply loop.
As shown in fig. 3, a control circuit principle of a remote restart control device applied to an urban rail transit signal equipment is as follows:
1. principle of control execution
The hardware controller A only drives the KA1A isolation relay, and the hardware controller B only drives the KA1B isolation relay. Only when the KA1A and the KA1B act, the RC control module can be driven to act to perform switching-off or switching-on, and abnormal power failure of the controlled equipment caused by misoperation caused by any reason is avoided.
The hardware controller respectively acquires one path of state signals (position and fault) of the controlled equipment, synchronizes the state signals (position and fault) of the controlled equipment acquired by the other hardware controller to the local machine through the double-machine synchronization function, judges whether the acquired information is consistent with the synchronized information, if the acquired information is inconsistent with the synchronized information, the state is considered to be abnormal/unreliable, and rejects a control command of the equipment, which is sent by the operation terminal.
2. Principle of safety protection
The electric operating mechanism operating power supply and the control loop power supply are mutually independent, and the electric operating power supply adopts a terminal with protection, so that the control loop equipment is prevented from being damaged due to overlarge current;
the PLC control loop is only responsible for outputting control signals, the load is small, and an output relay is adopted for isolation, so that an output secondary loop of the PLC is isolated, and the PLC secondary loop is prevented from being damaged;
all control loops (including output loops of the PLC and output contacts of the isolation relay) adopt normally open contacts, only when action is needed, the contacts are closed, and misoperation cannot be caused when any equipment of the PLC cage is powered off.
The method and the device are used in CBTC signal system projects such as Shanghai rail transit seventeen lines and the like, field and field tests are carried out on Zhangjiang test lines before formal Shanghai rail transit is opened, and the method and the device are proved to be capable of completely meeting field requirements and can be put into a production system of an urban rail transit operator.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A remote restart control method for urban rail transit signal equipment is characterized in that safety and reliability of instruction issuing and execution are ensured through checking of double links, and the control method specifically comprises the following steps:
1) Executing a power control command on the central layer operation terminal A;
2) The power supply control command is distributed to a station workstation A through a central verification server;
3) The station workstation A receives the power control command and then forwards the power control command to the hardware controller A;
4) After receiving a power control command, the hardware controller A randomly generates a command check code, and then sends the command check code to the hardware controller B and the central operation terminal A along an original communication link;
5) When the command check code is transmitted to the central check server node, the check of the command check code and the source control command is completed to ensure that the command check code corresponds to the control command;
6) The command check code returned by the operation terminal A is input to the operation terminal B again and the same control command is executed, and the control command is sent to the hardware controller B through the central check server and the station workstation B;
7) After receiving the command check code and the control command, the central check server completes comparison with the command check code obtained after the control command is sent by the operation terminal A, if the comparison fails, the central check server discards the control command sent by the operation terminal B, and if the comparison succeeds, the subsequent steps are continued;
8) The hardware controller B compares the command check codes generated by the operation terminal B and the hardware controller A, if the command check codes are not consistent, the hardware controller A and the hardware controller B are instructed to simultaneously discard the control command, and if the command check codes are consistent, the subsequent steps are continued;
9) The hardware controller A and the hardware controller B need to perform overtime confirmation on the control command after being subjected to the set time delay between the commands, if the control command is overtime, the hardware controller A and the hardware controller B simultaneously discard the control command, and if the control command is not overtime, the subsequent steps are continued;
10 The hardware controller A and the hardware controller B execute control commands simultaneously, and finally switching on and switching off of the control loop are completed.
2. A device adopting the remote restart control method for the urban rail transit signal equipment as claimed in claim 1, which is characterized by comprising an operation terminal A, an operation terminal B, a central verification server, a station workstation A, a station workstation B, a hardware controller A and a hardware controller B, wherein the operation terminal A, the central verification server, the station workstation A and the hardware controller A are sequentially connected, the operation terminal B, the central verification server, the station workstation B and the hardware controller B are sequentially connected and respectively form an independent communication link, the hardware controller A is connected with the hardware controller B, and the hardware controller A and the hardware controller B are respectively connected with a power switch loop of the urban rail transit signal equipment.
3. The apparatus of claim 2, wherein the operation terminal a is a preset control command terminal, and the operation terminal B is a control command execution terminal.
4. The apparatus of claim 2, wherein the central verification server comprises two PC servers in a redundant configuration relationship.
5. The device of claim 2, wherein the station workstation is a small industrial personal computer and is used for being responsible for: 1) Establishing communication with a central checking server, acquiring a control command issued in real time and forwarding the control command to a hardware controller; 2) And establishing communication with the hardware controller, receiving the returned status information in real time and forwarding the returned status information to the central verification server.
6. The apparatus of claim 2, wherein the hardware controller is a PLC controller configured to: 1) Establishing communication with a station workstation, receiving and executing a control command; 2) And driving the isolation relay to drive the RC control module to act so as to carry out switching-off and switching-on of the power supply loop.
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| CN201710253430.8A CN107054414B (en) | 2017-04-18 | 2017-04-18 | Remote restart control method and device for urban rail transit signal equipment |
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| CN201710253430.8A CN107054414B (en) | 2017-04-18 | 2017-04-18 | Remote restart control method and device for urban rail transit signal equipment |
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| FR3075742B1 (en) * | 2017-12-22 | 2020-01-10 | Alstom Transport Technologies | METHOD FOR RESETTING A ZONE CONTROLLER AND ASSOCIATED SYSTEM FOR AUTOMATIC TRAIN CONTROL |
| CN109987118A (en) * | 2018-01-03 | 2019-07-09 | 比亚迪股份有限公司 | The abnormality eliminating method of on-vehicle equipment control system, device and system |
| CN108415403B (en) * | 2018-02-05 | 2021-04-13 | 国电南瑞科技股份有限公司 | Computer interlocking data acquisition control safety processing method |
| CN108725521B (en) * | 2018-08-08 | 2024-01-23 | 卡斯柯信号有限公司 | Hot standby redundancy management system and method for main and standby control centers of rail transit |
| CN112416439B (en) * | 2019-08-20 | 2024-03-05 | 广州弘度信息科技有限公司 | Remote restarting system of server and control method thereof |
| CN110816553B (en) * | 2019-11-19 | 2020-12-01 | 日立楼宇技术（广州）有限公司 | Platform shielding door control method and system |
| CN113602327B (en) * | 2021-07-19 | 2023-07-11 | 交控科技股份有限公司 | Remote restarting device and system |
| CN113665631A (en) * | 2021-07-20 | 2021-11-19 | 交控科技股份有限公司 | Remote restarting method and device for interlocking host equipment |
| CN113665639A (en) * | 2021-07-28 | 2021-11-19 | 交控科技股份有限公司 | Restarting method and system for interlocking equipment of all-electronic computer |
| CN114834507B (en) * | 2022-04-14 | 2023-08-22 | 北京华元智通科技有限公司 | Remote monitoring management system for IBP button |
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