CN113296466A

CN113296466A - Motor train unit and locomotive overhaul operation safety interlocking control system

Info

Publication number: CN113296466A
Application number: CN202110598640.7A
Authority: CN
Inventors: 黎莎; 王建瑞
Original assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Current assignee: Beijing Railway Institute of Mechanical and Electrical Engineering Group Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-24

Abstract

The invention discloses a safety interlocking control system for overhauling operation of a motor train unit and a locomotive, which comprises: the dispatching center is provided with a dispatching client; the station track control cabinet is used for acquiring a field control instruction sent by the field operation terminal and a detection signal sent by the detection unit; the video monitoring subsystem is used for acquiring video image data of field maintenance operation and sending the video image data to the scheduling server; the scheduling server is used for sending scheduling condition signals to the station track control cabinet according to the scheduling instruction, the field control instruction and the video image data; the station track control cabinet also controls the action of the executing mechanism according to preset interlocking conditions, field control instructions, detection signals and scheduling condition signals. The invention manages the business process through the scheduling server, manages the action of the executing mechanism through the stock path control cabinet, and is beneficial to improving the reliability and the intelligent level of the system.

Description

Motor train unit and locomotive overhaul operation safety interlocking control system

Technical Field

The invention relates to the technical field of rail transit control, in particular to a safety interlocking control system for overhauling operation of a motor train unit and a locomotive.

Background

And after the motor train unit and the locomotive run back, the motor train unit and the locomotive need to be overhauled and warehoused according to corresponding repair processes. At present, the maintenance tasks of various motor train stations, passenger and maintenance stations and preparation stations are busy, the maintenance process and the operation are complex, most of the maintenance operations are carried out at night for not influencing normal transportation, and accidents caused by human factors such as negligence of workers, mental fatigue and poor contact easily occur.

In the prior art, the safety interlocking monitoring system can be configured to monitor the maintenance operation environment, the safety of the maintenance operation system is improved, in the existing safety interlocking monitoring system, for the key operation of a field isolating switch, an electric grounding part and a three-layer platform landing door, usually, an operator and a dispatcher can carry out operation application calling and safety confirmation through an interphone, the safety interlocking monitoring system has the following problems that the existing video monitoring and digital broadcasting are stopped at a primary stage, the process data display and record are incomplete, a system pre-alarm system is not comprehensive, the automatic identification of key business processes and operators can not be realized, the intelligent degree is low, the whole operation link can not be comprehensively monitored, and the maintenance operation efficiency is low.

Disclosure of Invention

The invention provides a safety interlocking control system for overhauling operation of a motor train unit and a locomotive, solves the problems of incomplete data display and record and poor early warning identification capability of the conventional safety interlocking system, and is beneficial to improving the reliability and the intelligent level of the system.

The embodiment of the invention provides a safety interlocking control system for overhauling operation of a motor train unit and a locomotive, which comprises the following steps: the system comprises a dispatching center, a dispatching server, field overhaul equipment and a video monitoring subsystem, wherein the dispatching center is provided with a dispatching client, and the field overhaul equipment comprises a field operation terminal, a station track control cabinet, a detection unit and an execution mechanism; the station track control cabinet is connected with the field operation terminal, the detection unit and the execution mechanism, and is used for acquiring a field control instruction sent by the field operation terminal and a detection signal sent by the detection unit and controlling the execution mechanism to act; the video monitoring subsystem is used for acquiring video image data of field maintenance operation and sending the video image data to the scheduling server; the dispatching server is in communication connection with the station track control cabinet and is used for acquiring the field control instruction, the detection signal and the video image data, sending the field control instruction, the detection signal and the video image data to the dispatching client for displaying, acquiring a dispatching instruction sent by the dispatching client, and sending a dispatching condition signal to the station track control cabinet according to the dispatching instruction, the field control instruction and the video image data; the station track control cabinet is also used for storing preset interlocking conditions, determining an operation control signal to be issued according to the preset interlocking conditions, the field control instruction, the detection signal and the scheduling condition signal, and sending the operation control signal to the executing mechanism.

Optionally, the dispatching center is further provided with a central control upper computer, the central control upper computer is in communication connection with the station track control cabinet through a field bus communication network, and the central control upper computer and the dispatching server are operated and backed up mutually.

Optionally, the field operation terminal is arranged in one-to-one correspondence with the field station tracks, the field operation terminal includes a distributed control unit, a touch screen, an image display unit and an operation indication panel, and the touch screen and the operation indication panel are used for displaying and issuing different field control instructions; the touch screen is used for displaying maintenance operation management interface information and issuing a first type of field control instruction, wherein the first type of field control instruction comprises an operation registration/cancellation instruction, an operation plan instruction, an operation application instruction and a key operation tool management instruction; the operation indication panel is provided with an electronic lock, an operation button and an indicator light, wherein the operation button and the indicator light are arranged in the electronic lock, the operation button is used for issuing a second type of field control instruction, and the second type of field control instruction comprises an isolating switch opening/closing field control instruction and a grounding hanging rod/picking rod field control instruction; the image display unit is in communication connection with the scheduling server and is used for displaying video image data sent by the scheduling server; the distributed control unit is in communication connection with the station track control cabinet and is used for acquiring the second type field control instruction, sending the second type field control instruction to the station track control cabinet and controlling the electronic lock and the indicator lamp to act according to an operation control signal sent by the station track control cabinet.

Optionally, the field operation terminal further comprises a face recognition unit and a voice interaction unit, the face recognition unit and the voice interaction unit are in communication connection with the scheduling client through the scheduling server, and the face recognition unit is used for acquiring face image data of an operator; the voice interaction unit is used for acquiring first voice data of an operator and playing second voice data sent by the scheduling client.

Optionally, the dispatching condition signal includes an enable/disable motor train unit or locomotive warehousing signal, an enable/disable disconnecting switch opening signal, an enable/disable grounding hanging rod signal, an enable/disable disconnecting switch closing signal and an enable/disable motor train unit or locomotive ex-warehousing signal.

Optionally, the preset interlocking condition includes a preset motor train unit or locomotive warehousing interlocking condition, a preset motor train unit or locomotive ex-warehouse interlocking condition, a preset top climbing operation interlocking condition, a preset disconnecting switch opening interlocking condition, a preset disconnecting switch closing interlocking condition, a preset grounding hanging rod interlocking condition and a preset grounding picking rod interlocking condition.

Optionally, the actuator includes an electric isolating switch, an isolating switch action control unit and an isolating switch power supply control unit; the isolation switch power supply control unit comprises a power supply contactor, the input end of the power supply contactor is electrically connected with a power supply, the output end of the power supply contactor is electrically connected with the power supply end of the electric isolation switch, the control end of the power supply contactor is connected with the station track control cabinet, and the power supply contactor is used for being switched on or switched off according to a power supply operation control signal sent by the station track control cabinet; the isolating switch action control unit comprises a switching-on and switching-off interlocking control circuit which is used for controlling the electric isolating switch to execute switching-off or switching-on actions.

Optionally, the actuating mechanism includes an electric grounding device, a grounding control unit and a grounding detection unit; the grounding detection unit is used for acquiring a grounding loop resistance detection signal and a contact network electricity testing signal and sending the grounding loop resistance detection signal and the contact network electricity testing signal to the grounding control unit; the grounding control unit is in communication connection with the station track control cabinet and is used for executing rod hanging or rod picking actions according to a grounding operation control signal sent by the station track control cabinet.

Optionally, the actuator comprises: the safety door comprises a safety door for top-climbing maintenance operation and an auxiliary safety door unit, wherein the auxiliary safety door unit comprises a remote electromagnetic lock, a mechanical electric mortise lock, a card reader, a door magnetic signal detection unit and a mechanical lock limit detection unit, the card reader, the door magnetic signal detection unit and the mechanical lock limit detection unit are connected with a signal input end of the station track control cabinet, and the remote electromagnetic lock and the mechanical electric mortise lock are connected with a signal output end of the station track control cabinet; the station track control cabinet is used for acquiring a door magnetism feedback signal, a door entrance/exit card reader signal, a door entrance/exit application signal sent by the field operation terminal and an entrance/exit permission/prohibition safety door entrance/exit signal sent by the dispatching server, wherein the door entrance/exit card reader signal sent by the card reader and the entrance/prohibition safety door entrance/exit permission signal sent by the dispatching server are complementary; the station path control cabinet is used for controlling the actions of the remote electromagnetic lock and the mechanical electric mortise lock according to the door magnetic feedback signal, the door entrance/exit application signal and the signal for allowing/forbidding the entrance/exit of the safety door; or the remote electromagnetic lock and the mechanical electric mortise lock are controlled to act according to the entry/exit card reader signal.

Optionally, the remote electromagnetic lock is a normally open electromagnetic lock and the mechanical electric latch is a normally closed electric latch.

Optionally, the signal indication subsystem includes a signal guidance unit and a safety warning unit, the signal guidance unit includes one or more combinations of an ex-warehouse signal indicator light, an in-warehouse signal indicator light and a driving direction indicator light, and the safety warning unit includes one or more combinations of an acousto-optic warning unit and a broadcast warning unit; the detection unit comprises a wheel sensor and an infrared diffuse reflection sensor, and is used for detecting the states of personnel entering and exiting and vehicles entering and exiting the station track, and transmitting the protection detection result to the station track control cabinet; and the station track control cabinet is also used for controlling the signal guide unit and the safety warning unit to act according to the protection detection result and transmitting the protection detection result to the scheduling client by using the scheduling server.

Optionally, the field service apparatus further comprises: the electronic billboard is arranged in the overhaul operation area and corresponds to the on-site station tracks one by one; the electronic billboard is connected with the scheduling server, and is used for acquiring the field control instruction and the scheduling condition signal, and automatically switching display information according to the field control instruction and the scheduling condition signal, wherein the display information comprises: display content and display color.

Optionally, the scheduling client includes a preset software program and/or a WEB browser; the preset software program is in communication connection with the scheduling server and is used for executing a conventional scheduling operation instruction; the WEB browser is in communication connection with the scheduling server and is used for sending a data request corresponding to the scheduling instruction to the scheduling server so as to realize data monitoring, basic configuration operation and maintenance management.

Optionally, the video monitoring subsystem includes an image acquisition unit, and the image acquisition unit is configured to acquire image data of a target area, where the image data includes one or more of isolator image data, ground rod image data, inspection work platform personnel in-out image data, pantograph image data, vehicle image data, terminal control cabinet face image data, and emergency exit face image data; the dispatching server comprises an image analysis unit, wherein the image analysis unit is used for determining the opening/closing state of the isolating switch according to the image data of the isolating switch, determining the hanging rod/picking rod state of the grounding rod according to the image data of the grounding rod, determining the number and the identity of personnel entering and exiting the operation safety door according to the image data of personnel entering and exiting the maintenance operation platform, determining the pantograph rising/lowering state of the pantograph according to the image data of the pantograph, determining the vehicle model according to the image data of the vehicle, and determining the identity of the maintenance operation personnel according to the image data of the face of the terminal control cabinet.

The safety interlocking control system for the overhauling operation of the motor train unit and the locomotive, provided by the embodiment of the invention, is provided with a dispatching center, a dispatching server, field overhauling equipment and a video monitoring subsystem, wherein the dispatching center is provided with a dispatching client, the field overhauling equipment comprises a field operation terminal, a station track control cabinet, a detection unit and an execution mechanism, and the station track control cabinet is used for acquiring a field control instruction sent by the field operation terminal and a detection signal sent by the detection unit and controlling the action of the execution mechanism; acquiring video image data of field maintenance operation by using a video monitoring subsystem, and sending the video image data to a scheduling server; the method comprises the steps that a scheduling server is used for obtaining a field control instruction, a detection signal and video image data, sending the field control instruction, the detection signal and the video image data to a scheduling client for displaying, obtaining a scheduling instruction sent by the scheduling client, analyzing and processing the scheduling instruction, the field control instruction, the detection signal and the video image data by the scheduling server, and sending a scheduling condition signal to a station track control cabinet according to a processing result; the operation control signal to be issued is determined by the station track control cabinet according to the preset interlocking condition, the field control instruction, the detection signal and the scheduling condition signal, the execution mechanism is controlled to execute actions according to the operation control signal, the problems of incomplete data display and record and poor early warning identification capability of the conventional safety interlocking system are solved, the reliability of the system is improved, the service process of maintenance operation is electronically managed through the scheduling server, the global operation and maintenance management is carried out through the scheduling client, and the visualization and intelligentization level of the system is improved.

Drawings

FIG. 1 is a schematic structural diagram of a safety interlocking control system for overhaul operations of a motor train unit and a locomotive provided by an embodiment of the invention;

FIG. 2 is a schematic structural diagram of another safety interlocking control system for overhaul operation of a motor train unit and a locomotive provided by the embodiment of the invention;

fig. 3 is a schematic structural diagram of a field operation terminal according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an implementation structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of another implementation structure provided in the embodiments of the present invention;

fig. 6 is a schematic structural diagram of another execution structure according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Fig. 1 is a schematic structural diagram of a safety interlock control system for overhaul operations of a motor train unit and a locomotive provided in an embodiment of the present invention, and the embodiment is applicable to application scenarios requiring power-off overhaul operations, such as a motor train section (station), a locomotive service section, a passenger train service station, and the like.

As shown in fig. 1, the safety interlock control system 00 for overhaul work of a motor train unit and a locomotive adopts a design structure in which distributed control and centralized control are complementary to each other, and the safety interlock control system 00 comprises: the system comprises field maintenance equipment 1, a scheduling server 2, a scheduling center 3 and a video monitoring subsystem 4, wherein the field maintenance equipment 1 comprises a field operation terminal 010, a station track control cabinet 020, a detection unit 030 and an execution mechanism 040, the station track control cabinet 020 is respectively connected with the field operation terminal 010, the detection unit 030 and the execution mechanism 040 through field buses, the field operation terminal 010 is arranged on each field station track in a one-to-one correspondence mode, the station track control cabinet 020 is provided with a master control PLC module, the field operation terminal 010 is provided with a PLC distributed IO module, a distributed control mode is adopted, a PLC system is used for realizing data acquisition, safety interlocking logic control and execution output, and independent control of each station track is not influenced; the dispatching server 2 and the dispatching center 3 adopt a centralized control mode, and an upper system is utilized to realize the maintenance operation business process card control and the comprehensive dispatching management.

Optionally, referring to fig. 1, the scheduling server 2 includes an upper system server 2A and an audio and video server 2B, the upper system server 2A is in communication connection with a stock path control cabinet 020, the audio and video server 2B is in communication connection with a video monitoring subsystem 4, and the upper system server 2A and the audio and video server 2B are also in communication connection with the scheduling center 3 through an industrial ethernet.

Optionally, referring to fig. 1, the scheduling center 3 is provided with a scheduling client, where the scheduling client includes one or more combinations of an upper system scheduling client 3A, an audio/video scheduling client 3B, and a broadcast intercom controller 3C, the upper system scheduling client 3A is in communication connection with the upper system server 2A through an industrial ethernet, and the audio/video scheduling client 3B is in communication connection with the audio/video server 2B through an industrial ethernet; the audio and video scheduling client 3B is used for displaying streaming media data sent by the audio and video server 2B, and scheduling personnel can perform overall monitoring on a maintenance operation site; the broadcast talkback controller 3C is in communication connection with the audio and video server 2B through an industrial ethernet to realize voice data interaction and broadcast management, wherein the industrial ethernet comprises an upper system switch, and the switch performs data interaction with the upper system server 2A and the upper system scheduling client 3A through a TCP/IP network protocol.

Optionally, with continued reference to fig. 1, the station switch cabinet 020 is configured to obtain a field control command issued by the field operation terminal 010 and a detection signal sent by the detection unit 030, and control the actuator 040 to operate, where the field control command may typically include an disconnecting switch opening/closing field control command and a ground peg/picking bar field control command, and the detection signal may include a sensor detection signal and a switch limit detection signal; the video monitoring subsystem 4 is used for acquiring video image data of field maintenance operation and sending the video image data to the scheduling server 2; the dispatching server 2 is in communication connection with the station track control cabinet 020, and the dispatching server 2 is used for acquiring a field control instruction, a detection signal and video image data, sending the field control instruction, the detection signal and the video image data to a dispatching client for display, acquiring a dispatching instruction sent by the dispatching client, and sending a dispatching condition signal to the station track control cabinet 020 according to the dispatching instruction, the field control instruction, the detection signal and the video image data; the station switch board 020 is further configured to store at least one preset interlocking condition, compare input parameters such as a field control instruction, a detection signal, a scheduling condition signal, and the like with the preset interlocking condition, determine an operation control signal to be issued, and send the operation control signal to the execution mechanism 040.

Optionally, the scheduling server 2 is further configured to obtain an execution feedback signal of the station switch cabinet 020, and monitor the operation state of the field maintenance device 1 by using the execution feedback signal.

Specifically, after the safety interlock control system 00 is powered on, the detection unit 030 sends detection signals (e.g., sensor detection signals and switch limit detection signals) acquired in a target area to the station road control cabinet 020, a field maintenance worker can issue a field control instruction (e.g., an isolating switch opening/closing field control instruction or a grounding hanging rod/picking rod field control instruction) by using the field operation terminal 010, the station road control cabinet 020 transmits the field control instruction, the detection signals and state data of the execution mechanism 040 to the upper system server 2A by using a Modbus TCP network protocol, and simultaneously the video monitoring subsystem 4 acquires video image data of the field maintenance operation in real time and transmits the video image data to the audio/video server 2B by using an audio/video transmission network protocol, and the audio/video server 2B stores the video image data, And classifying and identifying images, wherein the upper system server 2A acquires a scheduling instruction issued by a scheduling person of a scheduling center, a field control instruction issued by a field maintenance operator and an image identification result sent by the audio and video server 2B, judges the operating condition of the safety interlocking system and the interlocking logic according to the scheduling instruction, the field control instruction and the image identification result, issues a scheduling condition signal to a station switch cabinet 020 according to the judgment result, and simultaneously transmits video image data and field equipment state data to a scheduling client of the scheduling center 3 through an industrial Ethernet for displaying.

In this embodiment, the track control cabinet 020 stores at least one preset interlocking condition, the preset interlocking condition is used for limiting the action linkage and the execution logic of each execution mechanism 040, and the preset interlocking condition corresponds to the execution mechanisms 040 driven and controlled by the track control cabinet 020 one by one. Specifically, the station switch board 020 judges whether input parameters such as a received field control instruction, a received detection signal, a received scheduling condition signal and the like meet preset interlocking conditions, if the input parameters meet any preset interlocking condition, generates an operation control signal corresponding to the preset interlocking condition, sends the operation control signal to a corresponding execution mechanism 040, and controls the execution mechanism 040 to operate, and typically, the execution mechanism 040 includes devices such as an electric isolating switch, an electric grounding device, a signal lamp, an electronic screen, an operation door indicator lamp and an audible and visual alarm.

It should be noted that, if the upper system control layer where the scheduling server 2 is located is disabled, the bottom logic control layer where the station switch cabinet 020 and the field operation terminal 010 are located can still complete normal operation of the safety interlocking function, which is beneficial to improving the system reliability.

Therefore, the embodiment of the invention carries out health state monitoring and fault diagnosis on the equipment of the safety interlocking control system 00 by utilizing a PLC control system where a station track control cabinet 020 is located and an upper system where a dispatching server 2 is located through a design structure in which distributed control and centralized control are mutually complementary, carries out real-time monitoring on the main power supply and the load of each power supply loop, carries out real-time monitoring on the communication state of a PLC field bus, the upper system bus, an audio and video service network, the core nodes of each network and the like, comprehensively studies and judges to give a fault prompt through detection signals, overhaul operation process information, field equipment state information, overhaul operation data and the like acquired on site, interlocks the overhaul operation activities such as the getting-out and-in of a motor train unit or a locomotive, closing and opening of an isolating switch, hanging and picking of a grounding rod, the authorization of personnel work on top and the like, and displays the field equipment state and the field real-time image video through a dispatching client at a dispatching center, the system is convenient for the dispatcher to carry out secondary confirmation on field operation, solves the problems of incomplete data display and record and poor early warning identification capability of the conventional safety interlocking system, is favorable for improving the reliability of the system, carries out electronic management on the service flow of maintenance operation through the dispatching server, carries out global operation and maintenance management through the dispatching client, and improves the visualization and intelligentization level of the system.

Fig. 2 is a schematic structural diagram of another safety interlocking control system for overhaul operations of a motor train unit and a locomotive provided in the embodiment of the present invention, in the embodiment, a dispatching center 3 is provided with two sets of visual dispatching monitoring interfaces which are redundant to each other in operation.

Optionally, the dispatching center 3 is further provided with a central control upper computer 3AA, the central control upper computer 3AA is in communication connection with the station track control cabinet 020 through a field bus communication network, and the central control upper computer 3AA and the dispatching server 2 are operated and backed up mutually.

Illustratively, the station switch board 020 can be in communication connection with the central control upper computer 3AA through a CC-Link open field bus network.

Specifically, when safety interlocking control is performed, a dispatcher can check detection signals, overhaul operation process information, field device state information, overhaul operation data and the like acquired on site through the central control upper computer 3AA or the upper system dispatching client 3A and can set the states in a default state, the dispatcher can issue dispatching instructions to the station switch board 020 through the upper system dispatching client 3A, if the upper system has a dispatching server 2 fault, an upper system bus fault, an upper system network communication fault or a network process fault, the dispatcher can issue dispatching instructions to the station switch board 020 through the central control upper computer 3AA, and through a dual-computer hot backup mode, control failure caused by the upper system fault is solved, and reliability of a safety interlocking centralized control system is improved.

Optionally, the video monitoring subsystem 4 includes an image acquisition unit, and the image acquisition unit is configured to acquire image data of a target area, where the image data includes one or more of isolation switch image data, ground rod image data, overhaul platform personnel in-out image data, pantograph image data, vehicle image data, terminal control cabinet face image data, and emergency exit face image data; the dispatching server 2 comprises an image analysis unit, wherein the image analysis unit is used for determining the opening/closing state of the isolating switch according to the image data of the isolating switch, determining the hanging rod/rod removing state of the grounding rod according to the image data of the grounding rod, determining the number and the identity of personnel who enter and exit the operation safety door according to the image data of personnel who enter and exit the operation platform, determining the pantograph rising/falling state of the pantograph according to the image data of the pantograph, determining the vehicle model according to the image data of the vehicle, and determining the identity of the personnel who overhaul the operation according to the image data of the face of the terminal control cabinet.

Optionally, the motor train unit or locomotive warehousing overhaul operation comprises the following operations executed in sequence: the method comprises the steps of dispatching an open station track warehousing signal, enabling the motor train unit or the locomotive to enter an overhaul platform, enabling a pantograph to descend, confirming that the pantograph descends on site, confirming that the pantograph descends in a dispatching room, separating a brake of an isolating switch to cut off a contact network, hanging a ground rod, relieving a high safety state of a three-layer operation platform safety door, performing overhaul operation registration, climbing to perform overhaul operation, performing overhaul operation registration, picking the ground rod and performing site safety confirmation, dispatching safety confirmation, closing the isolating switch to supply power to the contact network, dispatching an open station track ex-warehouse signal, and enabling the motor train unit or the locomotive to leave the overhaul platform.

Specifically, the above steps should be sequentially executed, after the execution flow is set, any step cannot be disturbed or skipped by human factors, the scheduling server 2 manages the service flow, the station switch board 020 outputs a terminal control instruction to the on-site execution mechanism 040, each step strictly follows the principle of "program (PLC control system issues start instruction) → request (on-site maintenance operator issues on-site control instruction) → reply (scheduling operator issues scheduling instruction) → scheduling center confirmation (issues scheduling condition signal) → execution (on-site maintenance operator) → confirmation (scheduling operator monitors operation data)", and safety of each operation link and correctness of the operation flow are ensured through man-machine interaction.

In the embodiment, the lifting of the pantograph, the exit and entrance of the motor train unit or the locomotive are controlled by the motor train unit or the locomotive end, the video monitoring subsystem 4 can be used for collecting video image data of the pantograph, the isolating switch and the grounding rod in the station track, the dispatching server 2 analyzes the video image data through an image recognition technology, automatically recognizes the position of the pantograph, the state of the isolating switch and the state of the grounding rod, sends a recognition result to a dispatching client of the dispatching center 3 for displaying, sends a dispatching condition signal to a station track control cabinet 020 according to the recognition result signal and serves as a basis for logic judgment and operation condition judgment of safety interlocking control, and in addition, field operation personnel and dispatching personnel of the dispatching center can secondarily confirm the service flow and the state of field equipment through the video image data.

Optionally, the dispatching condition signal includes an enable/disable motor train unit or locomotive warehousing signal, an enable/disable disconnecting switch opening signal, an enable/disable grounding hanging rod signal, an enable/disable grounding picking rod signal, an enable/disable disconnecting switch closing signal and an enable/disable motor train unit or locomotive ex-warehousing signal.

Exemplarily, if the dispatching server 2 receives the field control instruction of the disconnecting switch opening and the dispatching instruction of the disconnecting switch opening, and determines that the contact of the disconnecting switch is not adhered according to the detection signal, the dispatching server 2 sends a dispatching signal for allowing the disconnecting switch to open to the station switch cabinet 020; if the dispatching server 2 judges that the isolating switch contacts are adhered, the dispatching server 2 sends a signal for forbidding the isolating switch to open the brake to the station switch cabinet 020. Similarly, those skilled in the art can set the trigger conditions of the remaining scheduling condition signals according to the actual job requirements and the safety requirements, which is not limited herein.

Optionally, the preset conditions of allowing the motor train unit or the locomotive to enter the garage comprise that a contact network is electrified, a garage gate is opened, a safety cab apron between a door of the motor train unit or the locomotive and a station is folded in place, the current station track has no train, and a dispatcher issues a train entering and dispatching command, if the conditions are met, the station track control cabinet 020 judges that the input parameters meet the preset interlocking conditions of entering the motor train unit or the locomotive, the lighting of a signal lamp for entering the garage outside the garage and a broadcast for entering the train are determined as operation control signals to be issued, the lighting of the signal lamp for entering the garage outside the garage is controlled, and the broadcast for entering the train is controlled on site.

Optionally, the preset motor train unit or locomotive ex-warehouse interlocking condition comprises: the method comprises the steps that a contact net is electrified, a warehouse gate is opened, a safety cab apron between a motor train unit or a locomotive door and a station is folded in place, no train exists in a current station road, and a dispatcher issues a train out-warehouse dispatching command, if the conditions are met, a station road control cabinet 020 judges that input parameters meet preset motor train unit or locomotive out-warehouse interlocking conditions, a lighting up warehouse out-warehouse signal lamp and a broadcasting out-warehouse broadcasting signal are determined as operation control signals to be issued, the lighting up of the warehouse out-warehouse signal lamp is controlled, and the broadcasting of the field broadcasting out-train broadcasting is controlled.

Optionally, the preset disconnecting switch opening interlocking condition includes: the method comprises the steps that a field operation terminal 010 issues a safety key confirmation signal, a closing button of the field operation terminal 010 is not pressed, a warning button is pressed to light a flashing lamp for a duration time to reach a preset time threshold, a dispatcher confirms that an operation platform is unmanned and a pantograph has descended through a dispatching client and issues an isolation switch opening dispatching signal, if the conditions are met, a station switch control cabinet 020 judges that an input parameter meets preset isolation switch opening interlocking conditions, the isolation switch remote opening signal and a broadcast opening broadcast are determined to be operation control signals to be issued, the isolation switch is controlled to be opened, and the field broadcast is controlled to broadcast the opening broadcast.

Optionally, the preset ceiling-climbing operation interlocking condition includes: isolator separating brake, electroscope detects the contact net electroless, the earthing device peg, the unblock of operation emergency exit access control system, and the operation personnel authentication passes through, if above-mentioned condition all satisfies, then station track switch board 020 judges that input parameter satisfies the operation interlocking condition of predetermineeing to step on the crest, will step on the crest the operation signal and light operation door operation pilot lamp and confirm for the operation control signal that waits to issue, control operation door operation pilot lamp lights, allow the operation personnel to step on the crest and overhaul the operation.

Optionally, the preset disconnecting switch closing interlocking condition includes: the entrance guard system of the safety door detects that the operation platform and the roof are unmanned and the safety door is closed during top climbing operation, a dispatcher confirms that the operation platform and the roof are unmanned through a dispatching client and issues a signal for allowing an isolating switch to be switched on, a contact net manual grounding rod is removed, a safety cab apron between a motor train unit or a locomotive door and a station is folded in place, a field operation terminal 010 issues a safety key confirmation signal and an emergency brake-off button of the field operation terminal 010 is not pressed down, if the conditions are met, a station road control cabinet 020 judges that an input parameter meets preset isolating switch switching-on interlocking conditions, a remote switching-on signal of the isolating switch, a broadcast switching-on broadcast and an on-off warning lamp are determined as operation control signals to be issued, the isolating switch is controlled to be switched on, the on-site broadcast switching-on broadcast is controlled, and the on-site switching-on warning lamp is controlled to be switched on.

Optionally, the preset ground rod interlocking condition includes: disconnecting switch, electroscope detect that the contact net is electroless and the field operation personnel issue the peg site control instruction, if above-mentioned condition all satisfies, then thigh way switch board 020 judges that the input parameter satisfies and predetermines ground connection peg interlocking condition, will allow earthing device to articulate the ground pole and determine as the operation control signal that waits to issue, control earthing device articulates the ground pole.

Optionally, the preset ground bar interlock condition comprises: the disconnecting switch is opened, the electroscope detects that a contact network is non-electrified, and a field operator issues an picking rod field control instruction, if the conditions are met, the station track control cabinet 020 judges that the input parameter meets the preset grounding picking rod interlocking condition, determines the grounding device picking rod as an operation control signal to be issued, and controls the grounding device to pick the grounding rod.

Therefore, the embodiment of the invention carries out interlocking control on the electric isolating switch, the electric grounding device, the operation safety door and the signal indicator lamp through the station switch cabinet 020, and is beneficial to improving the reliability of the system.

Fig. 3 is a schematic structural diagram of a field operation terminal according to an embodiment of the present invention, which is an implementation manner of the field operation terminal, and is not limited to a specific structure of the field operation terminal.

Optionally, the field operation terminal 010 is arranged in one-to-one correspondence with the field station track, and the field operation terminal 010 is configured to issue a field control instruction to the current field station track and display key operation information of the current field station track, and typically, one field operation terminal 010 may be respectively arranged at one row of the field station track and at two rows of the field station track.

In this embodiment, the field operation terminal 010 may integrate an upper computer system of the station line operation terminal, and the upper computer system may adopt a touch screen.

Referring to fig. 3 in a combined manner, the field operation terminal 010 may include a distributed control unit 101, a touch screen 102, an image display unit 103, and an operation indication panel 104, where the distributed control unit 101 includes a distributed IO module, the distributed IO module is in communication connection with a master PLC module of a station switch cabinet 020 through a field bus, and the distributed control unit 101 is configured to collect a field control instruction of a field operator and implement interaction of an input instruction and an output instruction between the distributed IO module and the master PLC module; the image display unit 103 is arranged outside the cabinet body of the field operation terminal 010, the image display unit 103 is in communication connection with the audio and video server 2B, and the image display unit 103 is used for displaying video image data of field maintenance operation collected by the video monitoring subsystem 4; the touch screen 102 and the operation indication panel 104 are used for displaying and issuing different field control commands, wherein the touch screen 102 can be used for managing field control commands with lower operation safety level, the operation indication panel 104 can be used for managing field control commands with higher safety level, the field control commands with higher safety level include all field control commands related to personal safety, such as control commands for power supply and power failure or grounding rod hanging and removing, and the field control commands with lower safety level include all field control commands not related to personal safety, such as operation registration management control commands.

Optionally, the touch screen 102 is configured to display maintenance operation management interface information and issue a first type of field control instruction, where the first type of field control instruction includes an operation registration/cancellation instruction, an operation plan issue instruction, an operation application instruction, a work report and a key operation tool management instruction; the operation indication panel 104 is provided with an electronic lock, and an operation button and an indicator light which are arranged in the electronic lock, wherein the operation button is used for issuing a second type of field control instruction, and the second type of field control instruction comprises an isolating switch opening/closing field control instruction and a grounding hanging rod/picking rod field control instruction; the distributed control unit 101 is in communication connection with the station track control cabinet 020, and the distributed control unit 101 is used for acquiring a second type of field control instruction, sending the second type of field control instruction to the station track control cabinet 020, and controlling the electronic lock and the indicator lamp to act according to an operation control signal sent by the station track control cabinet 020.

Optionally, as shown in fig. 3, the field operation terminal 010 further includes a face recognition unit 105 and a voice interaction unit 106, the face recognition unit 105 and the voice interaction unit 106 are in communication connection with the scheduling client through the scheduling server 2, and the face recognition unit 105 is configured to obtain face image data of an operator; the voice interaction unit 106 is configured to acquire first voice data of an operator, and play second voice data sent by the scheduling client.

Optionally, as shown in fig. 3, a spherical camera 107 may be further disposed at the top of the image display unit 103, where the spherical camera 107 is configured to collect key information of the operator, for example, the key information includes facial information, an operation process, and the like of the operator, and the image display unit 103 may further transmit the collected key information to a scheduling client of the scheduling center 3 through the audio/video server 2B, so as to facilitate global monitoring of a field operation process.

Specifically, the functions of the touch screen 102 and the operation indication panel 104 of the field operation terminal 010 are mutually complementary, and the touch screen and the operation indication panel respectively issue field control instructions of different safety levels and display the equipment state and operation data of field maintenance operation. When maintenance operation is performed, a field maintenance operator approaches the field operation terminal 010, the face recognition unit 105 obtains face image data of the maintenance operator, the face image data is transmitted to the audio/video server 2B, the voice interaction unit 106 obtains first voice data of the maintenance operator, the first voice data is transmitted to the audio/video server 2B, the audio/video server 2B compares the received face image data with prestored face data, or the first voice data is compared with the prestored voice data, whether the identity of the maintenance operator is legal or not is confirmed according to the comparison result, if the identity of the maintenance operator is legal, the audio/video server 2B transmits an identity verification passing signal to the station switch cabinet 020 through the upper system server 2A, and the station switch cabinet 020 controls the electronic lock to be opened, so that the operator can issue an isolation switch opening and grounding hanging rod field control instruction on the operation indication panel 104.

Further, the audio and video server 2B automatically judges whether the action of power off of the overhead line system is completed or not by using the video image data of the disconnecting switch, and judges whether the action of the grounding hanging rod is completed or not by using the video image data of the grounding device, after the power off of the overhead line system and the completion of the grounding hanging rod, the audio and video server 2B transmits a signal for releasing the high safety state of the access control to the station track control cabinet 020 through the upper system server 2A, so that the station track control cabinet 020 controls the operation safety door to be opened, and the maintenance worker can perform operation registration through the touch screen 102 of the field operation terminal 010, and perform operation cancellation management through the touch screen 102 after the operation of climbing is completed.

Fig. 4 is a schematic structural diagram of an execution structure according to an embodiment of the present invention.

Alternatively, as shown in fig. 4, the actuator 040 includes an electric disconnector 401, a disconnector operation control unit 402, and a disconnector power supply control unit 403; the isolation switch power supply control unit 403 comprises a power supply contactor KM, the input end of the power supply contactor KM is electrically connected with the live wire L and the zero wire N of the power supply, the output end of the power supply contactor KM is electrically connected with the power supply positive electrode GKL and the power supply negative electrode GKN of the electric isolation switch 401, the control end of the power supply contactor KM is connected with the track control cabinet 020, and the power supply contactor KM is used for being turned on or turned off according to a power supply operation control signal sent by the track control cabinet 020; the disconnecting switch action control unit 402 includes a switching-on/off interlocking control circuit for controlling the electric disconnecting switch 401 to perform a switching-off or switching-on action.

Alternatively, as shown in fig. 4, the switching interlocking control circuit includes a switching control branch and a switching control branch, the switching control branch is used for controlling the electric disconnecting switch 401 to perform a switching action, and the switching control branch is used for controlling the electric disconnecting switch 401 to perform a switching action, wherein the switching control branch is provided with a switching button normally-open contact K1 'and a switching button normally-closed contact K2 "which are connected in series, and the switching control branch is provided with a switching button normally-open contact K2' and a switching button normally-closed contact K1" which are connected in series.

Optionally, the electric isolating switch 401 is provided with a first mechanical travel switch, the first mechanical travel switch is used for acquiring an opening and closing state feedback signal of the electric isolating switch 401, in addition, video image data of the electric isolating switch 401 can be acquired through the video monitoring subsystem 4, the audio and video server 2B acquires the opening and closing state feedback signal of the electric isolating switch 401 by using an image recognition technology, the opening and closing state feedback signal and the closing state feedback signal are mutually complementary, and the reliability of the system is improved.

In this embodiment, the electric isolating switch 401 directly controls the supply and interruption of 27.5KV high voltage electricity of the contact network, the reliability of the action of the electric isolating switch is related to the personal safety of the ceiling maintainer, and the isolating switch has no arc extinguishing capability, and is frequently switched on and switched off, so that arc discharge is easily caused. Based on this, the remote control of the electric isolating switch 401 adopts a photoelectric isolation + power supply management and control mode.

Specifically, the station switch control cabinet 020 receives an opening and closing state feedback signal and a remote control opening and closing instruction, converts an electric signal into an optical signal through the optical fiber transceiver, transmits the optical signal to a dispatching client of the dispatching center 3 through an optical cable, and realizes complete isolation of high and low pressure through conversion of an optical signal.

When the preset disconnecting switch opening interlocking condition or the preset disconnecting switch closing interlocking condition is required and met, the power supply contactor KM is controlled to be closed through the station control cabinet 020 to supply power to the electric disconnecting switch 401, so that the electric disconnecting switch 401 has the condition of opening and closing actions. The station road control cabinet 020 also acquires an on-off state feedback signal of the isolating switch, and after the on-off action of the electric isolating switch 401 is finished, the station road control cabinet 020 controls the power supply contactor KM to be switched off, so that the power supply of the electric isolating switch 401 is automatically cut off, the misoperation of the electric isolating switch 401 is avoided, and the system reliability is improved.

Fig. 5 is a schematic structural diagram of another execution structure provided in the embodiment of the present invention.

Alternatively, as shown in fig. 5, the actuator 040 includes an electric grounding device 501, a grounding control unit 502, and a grounding detection unit 503; the grounding detection unit 503 is provided with a grounding loop resistance detection circuit 5031 and an automatic electricity testing circuit 5032, the grounding loop resistance detection circuit 5031 is used for monitoring a grounding loop resistance detection signal of a loop resistance formed by a grounding rod, a grounding wire, a steel rail and an overhead contact system in real time, the automatic electricity testing circuit 5032 is used for acquiring an electric testing signal of the overhead contact system, the grounding loop resistance detection circuit 5031 and the automatic electricity testing circuit 5032 are also in communication connection with a track control cabinet 020, and the grounding loop resistance detection signal and the electric testing signal of the overhead contact system are used as a grounding operation control signal under an interlocking condition; the grounding control unit 502 is in communication connection with the station track control cabinet 020, and the grounding control unit 502 is used for executing a rod hanging or rod picking action according to a grounding operation control signal sent by the station track control cabinet 020.

Optionally, the electric grounding device 501 is provided with a second mechanical travel switch, the second mechanical travel switch is used for acquiring a rod hanging and picking feedback signal of the grounding rod, in addition, video image data of the electric grounding device 501 can be acquired through the video monitoring subsystem 4, the audio and video server 2B acquires the rod hanging and picking feedback signal of the electric grounding device 501 by using an image recognition technology, and the two signals complement each other, which is beneficial to improving the reliability of the system.

In this embodiment, the electric grounding device 501 is generally disposed at the positions of the three-layer operation maintenance platform, the warehouse entry end and the reconnection end.

Alternatively, the electric grounding device 501 may include a fixed frame, a speed reducer, a rotating mechanism, a grounding rod, a limit switch, a grounding wire, and the like. The fixing frame is used for mounting the speed reducer and the connecting component to form a rotary motion mechanism. The speed reducer is used for generating driving force and making forward and backward rotation movement, and the grounding rod slowly swings to reach a rod hanging position and a rod removing position. A hanging rod position and a rod picking position limit switch, namely a second mechanical travel switch, are installed on the speed reducer, the position of the second mechanical travel switch is adjusted, accurate picking and hanging of the grounding rod hook is achieved, and reliable grounding of the grounding rod hook and a contact net copper wire is ensured. In order to ensure the running safety of the speed reducer, a secondary protection limit switch is additionally arranged at the motion limit of the hanging and picking rod on the basis of the hanging and picking rod in-place travel switch, and the secondary protection limit switch is triggered to directly cut off the power supply of the motor under the condition that the hanging and picking rod in-place travel switch fails, so that the fault guidance is safe.

Specifically, the station track control cabinet 02 confirms that the contact net is electroless, the safety key is in place, and the maintenance operator presses the peg button, then the station track control cabinet 020 judges that the input parameter satisfies the preset interlocking condition of the grounding peg, will allow the grounding device to articulate the ground peg to determine as the operation control signal to be issued, controls the grounding device to articulate the ground peg, and the motor drives the speed reducer to drive the ground peg to move towards the contact net through the connecting shaft flange. After the grounding hook head is in lap joint with a contact net, the grounding hook head continues to move, the hook head and the hook seat rotate by about 20-22 degrees, the connecting rod triggers a hanging-in-place travel switch, the motor stops working, and the hanging rod is in place. The rod picking process is that the motor rotates reversely, the grounding rod is far away from the contact net and touches the rod picking in-place travel switch, the motor stops working, and the rod picking is in place.

Alternatively, as shown in fig. 6, the actuator 040 includes: the safety door comprises a safety door (not shown) for the top-climbing maintenance operation and safety door auxiliary units, wherein each safety door auxiliary unit comprises a remote electromagnetic lock 602, a mechanical electric mortiser lock 603, a card reader 604, a door magnetic signal detection unit 605 and a mechanical lock limit detection unit 606, the card readers 604 (a door-entering card reader 604A and a door-exiting card reader 604B), the door magnetic signal detection unit 605 and the mechanical lock limit detection unit 606 are connected with a signal input end of a station road control cabinet 020, and the remote electromagnetic lock 602 and the mechanical electric mortiser lock 603 are connected with a signal output end of the station road control cabinet 020; the station switch control cabinet 020 is used for acquiring a door magnetism feedback signal, a door entrance/exit card reader signal, a door entrance/exit application signal sent by the field operation terminal 010 and an entrance/exit permission/prohibition safety door entrance signal sent by the scheduling server 2, wherein the door entrance/exit card reader signal sent by the card reader and the entrance/prohibition safety door entrance signal sent by the scheduling server 2 are complementary; the station switch board 020 is used for controlling the actions of the remote electromagnetic lock and the mechanical electric mortise lock according to the door magnetism feedback signal, the door entrance/exit application signal and the signal for allowing/forbidding the entrance/exit; or, the remote electromagnetic lock and the mechanical electric lock are controlled to act according to the signals of the door entry/exit card reader.

Alternatively, the dispatch server 2 may acquire the entry video image data through an entry image acquisition unit 4A (e.g., a camera), acquire the exit video image data through an exit image acquisition unit 4B (e.g., a camera), acquire the anti-tailing detection video image data through an anti-tailing image acquisition unit 4C (e.g., an infrared thermal imaging camera), acquire the entry voice data through an entry voice device 4D (e.g., an intercom), and analyze the entry video image data, the exit video image data, the anti-tailing detection video image data, and the entry voice data through a preset program to acquire the signal for allowing/forbidding to enter or exit the security gate.

Specifically, under the condition that the upper system normally operates, the access video image data, the anti-trailing detection video image data and the access voice data can be analyzed through the audio and video server 2B to obtain signals for allowing/forbidding access to the safety door, the signals for allowing/forbidding access to the safety door are transmitted to the station track control cabinet 020 through the upper system server 2A, and the station track control cabinet 020 controls the actions of the remote electromagnetic lock and the mechanical electric mortise lock according to the signals of the access/access card reader. If the upper system breaks down, field operation personnel can pass through the card reader 604 to swipe cards to enter and exit the operation safety door, and the operation door and the access control dual system are mutually redundant, so that the reliability of the system is improved.

Optionally, the executing mechanism 040 includes a signal indicating subsystem, the signal indicating subsystem includes a signal guiding unit and a safety warning unit, the signal guiding unit includes one or more combinations of an ex-warehouse signal indicating lamp, an in-warehouse signal indicating lamp and a driving direction indicating lamp, and the safety warning unit includes one or more combinations of an audible and visual warning unit and a broadcast warning unit; the detection unit 030 comprises a wheel sensor and an infrared diffuse reflection sensor, and the detection unit 030 is used for detecting the states of personnel entering and exiting and vehicles entering and exiting the station track, and transmitting the protection detection result to the station track control cabinet 020; the station switch board 020 is further configured to control the signal guiding unit and the safety warning unit to act according to the protection detection result, and transmit the protection detection result to the scheduling client by using the scheduling server 2.

Optionally, the field service apparatus 1 further comprises: the electronic billboard is arranged in the overhaul operation area and corresponds to the on-site station tracks one by one; the electronic billboard is connected with the scheduling server 2, the electronic billboard is used for acquiring the field control instruction and the scheduling condition signal, and automatically switches display information according to the field control instruction and the scheduling condition signal, and the display information comprises: display content and display color.

Optionally, the display content includes key operation information of the current station track at the current time, typically, the key operation information includes a station track number of the current station track, a motor train unit or locomotive number, and a current operation service type and state, the operation information is all automatically acquired through the scheduling server 2, and the prompt of the operation information is more timely, comprehensive and convenient.

Optionally, the scheduling client includes a preset software program and/or a WEB browser; the preset software program is in communication connection with the scheduling server 2 and is used for executing a conventional scheduling job operation instruction; the WEB browser is in communication connection with the scheduling server 2, and is used for sending a data request corresponding to the scheduling instruction to the scheduling server 2 so as to realize data monitoring, basic configuration operation and maintenance management.

It should be noted that the safety interlock control system can be used in an overhaul warehouse, an overhaul shed or an open air environment, the above embodiments illustrate some embodiments of the safety interlock control system, and the structure of the safety interlock control system is not limited, and an operator can flexibly adjust the specific functional configuration of the safety interlock control system according to the operation range to achieve different operation requirements, which is not limited herein.

In summary, the safety interlock control system for overhaul operations of the motor train unit and the locomotive provided by the embodiment of the invention is provided with the dispatching center, the dispatching server, the field overhaul equipment and the video monitoring subsystem, wherein the dispatching center is provided with the dispatching client, the field overhaul equipment comprises a field operation terminal, a station track control cabinet, a detection unit and an execution mechanism, the station track control cabinet is used for acquiring a field control instruction sent by the field operation terminal and a detection signal sent by the detection unit, and the execution mechanism is controlled to act; acquiring video image data of field maintenance operation by using a video monitoring subsystem, and sending the video image data to a scheduling server; the method comprises the steps that a scheduling server is used for obtaining a field control instruction, a detection signal and video image data, sending the field control instruction, the detection signal and the video image data to a scheduling client for displaying, obtaining a scheduling instruction sent by the scheduling client, analyzing and processing the scheduling instruction, the field control instruction, the detection signal and the video image data by the scheduling server, and sending a scheduling condition signal to a station track control cabinet according to a processing result; the operation control signal to be issued is determined by the station track control cabinet according to the preset interlocking condition, the field control instruction, the detection signal and the scheduling condition signal, the execution mechanism is controlled to execute actions according to the operation control signal, the problems of incomplete data display and record and poor early warning identification capability of the conventional safety interlocking system are solved, the reliability of the system is improved, the service process of maintenance operation is electronically managed through the scheduling server, the global operation and maintenance management is carried out through the scheduling client, and the visualization and intelligentization level of the system is improved.

Claims

1. The utility model provides a EMUs, locomotive overhaul operation safety interlock control system which characterized in that includes: the system comprises a dispatching center, a dispatching server, field overhaul equipment and a video monitoring subsystem, wherein the dispatching center is provided with a dispatching client, and the field overhaul equipment comprises a field operation terminal, a station track control cabinet, a detection unit and an execution mechanism;

the station track control cabinet is connected with the field operation terminal, the detection unit and the execution mechanism, and is used for acquiring a field control instruction sent by the field operation terminal and a detection signal sent by the detection unit and controlling the execution mechanism to act;

the video monitoring subsystem is used for acquiring video image data of field maintenance operation and sending the video image data to the scheduling server;

the dispatching server is in communication connection with the station track control cabinet and is used for acquiring the field control instruction, the detection signal and the video image data, sending the field control instruction, the detection signal and the video image data to the dispatching client for displaying, acquiring a dispatching instruction sent by the dispatching client, and sending a dispatching condition signal to the station track control cabinet according to the dispatching instruction, the field control instruction and the video image data;

the station track control cabinet is also used for storing preset interlocking conditions, determining an operation control signal to be issued according to the preset interlocking conditions, the field control instruction, the detection signal and the scheduling condition signal, and sending the operation control signal to the executing mechanism.

2. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive as claimed in claim 1, wherein the dispatching center is further provided with a central control upper computer, the central control upper computer is in communication connection with the station track control cabinet through a field bus communication network, and the central control upper computer and the dispatching server are mutually operated and backed up.

3. The interlocking control system for overhauling operation safety of the motor train unit and the locomotive according to claim 1, wherein the field operation terminals are arranged in one-to-one correspondence with the field station tracks, each field operation terminal comprises a distributed control unit, a touch screen, an image display unit and an operation indication panel, and the touch screen and the operation indication panel are used for displaying and issuing different types of field control instructions;

the touch screen is used for displaying maintenance operation management interface information and issuing a first type of field control instruction, wherein the first type of field control instruction comprises an operation registration/cancellation instruction, an operation plan instruction, an operation application instruction and a key operation tool management instruction;

the operation indication panel is provided with an electronic lock, an operation button and an indicator light, wherein the operation button and the indicator light are arranged in the electronic lock, the operation button is used for issuing a second type of field control instruction, and the second type of field control instruction comprises an isolating switch opening/closing field control instruction and a grounding hanging rod/picking rod field control instruction;

the image display unit is in communication connection with the scheduling server and is used for displaying video image data sent by the scheduling server;

the distributed control unit is in communication connection with the station track control cabinet and is used for acquiring the second type field control instruction, sending the second type field control instruction to the station track control cabinet and controlling the electronic lock and the indicator lamp to act according to an operation control signal sent by the station track control cabinet.

4. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive according to claim 3, wherein the field operation terminal further comprises a face recognition unit and a voice interaction unit, the face recognition unit and the voice interaction unit are in communication connection with the dispatching client through the dispatching server, and the face recognition unit is used for acquiring face image data of an operator; the voice interaction unit is used for acquiring first voice data of an operator and playing second voice data sent by the scheduling client.

5. The interlocking control system for motor train unit and locomotive overhaul operation safety as claimed in claim 1, wherein the dispatching condition signal comprises signal for allowing/forbidding motor train unit or locomotive warehousing, signal for allowing/forbidding disconnecting switch opening, signal for allowing/forbidding grounding hanging rod, signal for allowing/forbidding grounding rod disconnecting, signal for allowing/forbidding disconnecting switch closing, and signal for allowing/forbidding motor train unit or locomotive ex-warehousing.

6. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive according to claim 1, wherein the preset interlocking conditions comprise a preset motor train unit or locomotive warehousing interlocking condition, a preset motor train unit or locomotive ex-warehousing interlocking condition, a preset top-climbing operation interlocking condition, a preset disconnecting switch opening interlocking condition, a preset disconnecting switch closing interlocking condition, a preset grounding hanging rod interlocking condition and a preset grounding picking rod interlocking condition.

7. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive according to any one of claims 1 to 6, wherein the actuating mechanism comprises an electric isolating switch, an isolating switch action control unit and an isolating switch power supply control unit;

the isolation switch power supply control unit comprises a power supply contactor, the input end of the power supply contactor is electrically connected with a power supply, the output end of the power supply contactor is electrically connected with the power supply end of the electric isolation switch, the control end of the power supply contactor is connected with the station track control cabinet, and the power supply contactor is used for being switched on or switched off according to a power supply operation control signal sent by the station track control cabinet;

the isolating switch action control unit comprises a switching-on and switching-off interlocking control circuit which is used for controlling the electric isolating switch to execute switching-off or switching-on actions.

8. The interlocking control system for overhauling operation safety of the motor train unit and the locomotive according to any one of claims 1 to 6, wherein the actuating mechanism comprises an electric grounding device, a grounding control unit and a grounding detection unit;

the grounding detection unit is used for acquiring a grounding loop resistance detection signal and a contact network electricity testing signal and sending the grounding loop resistance detection signal and the contact network electricity testing signal to the grounding control unit;

the grounding control unit is in communication connection with the station track control cabinet and is used for executing rod hanging or rod picking actions according to a grounding operation control signal sent by the station track control cabinet.

9. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive according to any one of claims 1 to 6, wherein the actuating mechanism comprises: the safety door comprises a safety door for top-climbing maintenance operation and an auxiliary safety door unit, wherein the auxiliary safety door unit comprises a remote electromagnetic lock, a mechanical electric mortise lock, a card reader, a door magnetic signal detection unit and a mechanical lock limit detection unit, the card reader, the door magnetic signal detection unit and the mechanical lock limit detection unit are connected with a signal input end of the station track control cabinet, and the remote electromagnetic lock and the mechanical electric mortise lock are connected with a signal output end of the station track control cabinet;

the station track control cabinet is used for acquiring a door magnetism feedback signal, a door entrance/exit card reader signal, a door entrance/exit application signal sent by the field operation terminal and an entrance/exit permission/prohibition safety door entrance/exit signal sent by the dispatching server, wherein the door entrance/exit card reader signal sent by the card reader and the entrance/prohibition safety door entrance/exit permission signal sent by the dispatching server are complementary;

the station path control cabinet is used for controlling the actions of the remote electromagnetic lock and the mechanical electric mortise lock according to the door magnetic feedback signal, the door entrance/exit application signal and the signal for allowing/forbidding the entrance/exit of the safety door; or the remote electromagnetic lock and the mechanical electric mortise lock are controlled to act according to the entry/exit card reader signal.

10. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive according to claim 9, wherein the remote electromagnetic lock is a normally open electromagnetic lock, and the mechanical electric latch is a normally closed electric latch.

11. The interlocking control system for the overhaul operation safety of the motor train unit and the locomotive as claimed in any one of claims 1 to 6, wherein the actuating mechanism comprises a signal indication subsystem, the signal indication subsystem comprises a signal guide unit and a safety warning unit, the signal guide unit comprises one or more combinations of an ex-warehouse signal indicator light, an in-warehouse signal indicator light and a driving direction indicator light, and the safety warning unit comprises one or more combinations of an acousto-optic warning unit and a broadcast warning unit;

the detection unit comprises a wheel sensor and an infrared diffuse reflection sensor, and is used for detecting the states of personnel entering and exiting and vehicles entering and exiting the station track, and transmitting the protection detection result to the station track control cabinet;

and the station track control cabinet is also used for controlling the signal guide unit and the safety warning unit to act according to the protection detection result and transmitting the protection detection result to the scheduling client by using the scheduling server.

12. The EMUs, locomotive service operation safety interlock control system of any of claims 1-6, wherein said field service equipment further comprises: the electronic billboard is arranged in the overhaul operation area and corresponds to the on-site station tracks one by one;

the electronic billboard is connected with the scheduling server, and is used for acquiring the field control instruction and the scheduling condition signal, and automatically switching display information according to the field control instruction and the scheduling condition signal, wherein the display information comprises: display content and display color.

13. The interlocking control system for overhaul operation safety of motor train units and locomotives according to any one of claims 1 to 6, wherein the dispatching client comprises a preset software program and/or a WEB browser;

the preset software program is in communication connection with the scheduling server and is used for executing a conventional scheduling operation instruction;

the WEB browser is in communication connection with the scheduling server and is used for sending a data request corresponding to the scheduling instruction to the scheduling server so as to realize data monitoring, basic configuration operation and maintenance management.

14. The interlocking control system for motor train unit and locomotive overhaul operation safety according to any one of claims 1 to 6, wherein the video monitoring subsystem comprises a plurality of image acquisition units, the image acquisition units are used for acquiring image data of a target area, and the image data comprises one or more of isolating switch image data, grounding hanging rod image data, overhaul operation platform personnel entrance and exit image data, pantograph image data, vehicle image data, terminal control cabinet face image data and safety door face image data;

the dispatching server comprises an image analysis unit, wherein the image analysis unit is used for determining the opening/closing state of the isolating switch according to the image data of the isolating switch, determining the hanging rod/picking rod state of the grounding rod according to the image data of the grounding rod, determining the number and the identity of personnel entering and exiting the operation safety door according to the image data of personnel entering and exiting the maintenance operation platform, determining the pantograph rising/lowering state of the pantograph according to the image data of the pantograph, determining the vehicle model according to the image data of the vehicle, and determining the identity of the maintenance operation personnel according to the image data of the face of the terminal control cabinet.