CN114454919A - Computer interlocking system - Google Patents
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- CN114454919A CN114454919A CN202210247257.1A CN202210247257A CN114454919A CN 114454919 A CN114454919 A CN 114454919A CN 202210247257 A CN202210247257 A CN 202210247257A CN 114454919 A CN114454919 A CN 114454919A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L21/00—Station blocking between signal boxes in one yard
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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
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Abstract
The invention discloses a computer interlocking system, comprising: the system comprises a plurality of cabinets, a combination, a full electronic execution unit and a control assembly; the equipment cabinet comprises a main machine cabinet, an expansion equipment cabinet, a control console and a lightning protection junction cabinet; wherein, the front of the main cabinet sequentially comprises from top to bottom: two sets of redundant UPS power, the back top-down of main cabinet does in proper order: the intelligent interlocking system comprises two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal, lightning protection and two sets of redundant UPS power supplies. The system of the invention conforms to the technical conditions of computer interlocking issued by the ministry of railways, software and hardware are designed and developed by adopting a modularized thought on the premise of ensuring the safety, reliability and stability of the system, and a set of station interlocking system with reliable performance, fault safety, perfect functions, simple operation and convenient maintenance is realized by applying the latest computer technology, bus technology and network technology.
Description
Technical Field
The invention relates to the technical field of signal systems, in particular to a computer interlocking system.
Background
Computer interlocking is a control device used for guaranteeing driving safety of railway stations, plays a very important role in the aspects of guaranteeing driving safety, improving transportation efficiency, improving labor conditions and the like, the overall structure of the traditional computer interlocking system is basically divided into a man-machine interface layer, an interlocking core layer, an IO circuit layer, an indoor wiring layer, a relay interface layer and an outdoor wiring layer, fundamental changes of the overall structure do not occur, the focus of the current development is to improve the software and hardware safety (namely the interlocking core layer and the IO circuit layer) of a computer link, but the computer interlocking system of the level only uses computer software to simply replace the original interlocking logic function of 6502, and the relay interface layer still retains nearly 30% of relays as interface circuits, and as the overall design concept of the traditional computer interlocking system still retains the structure of 6502, the problems that a computer interlocking system is complex in design and subsequent construction, long in period, wide in fault range, large in workload and difficulty of maintenance and the like are caused, and increasingly busy railway transportation work is seriously influenced to a certain degree.
Disclosure of Invention
The invention aims to provide a computer interlocking system, which accords with the technical conditions of computer interlocking issued by the railway ministry, adopts modularized thought design and development for software and hardware on the premise of ensuring the safety, reliability and stability of the system, and utilizes the latest computer technology, bus technology and network technology to realize a set of station interlocking system with reliable performance, fault safety, perfect functions, simple operation and convenient maintenance, thereby solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a computer interlock system comprising: the system comprises a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the equipment cabinet comprises a main machine cabinet, an expansion equipment cabinet, a control console and a lightning protection junction cabinet;
wherein, the front of main cabinet is from top to bottom in proper order: two sets of redundant UPS power, the back top-down of main cabinet does in proper order: the intelligent interlocking system comprises two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal, lightning protection and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing four combinations of signals, switches, tracks and scatters, and the expansion cabinet is used for placing 5 combinations, namely a combination I (Z1), a combination II (Z2), a combination III (Z3), a combination IV (Z4) and a combination V (Z5) from top to bottom;
wherein the console comprises: a control desk, a display, a mouse and a sound box;
the lightning protection junction box is used for connecting indoor equipment and outdoor equipment; the distribution cabinet not only meets the distribution function of the distribution cabinet, but also solves the lightning protection problem, and is used for distribution, switching and lightning protection of the signal cable in the railway station signal mechanical room. The six-post and eighteen-post wiring terminal is replaced.
According to different objects to be controlled, the combination is divided into: the system comprises an SW combination, a SIG combination, a TC combination and an SIO combination, wherein a circuit breaker and a module are arranged in front of each combination, and a distributing terminal board is arranged at the back of each combination;
the SW combination comprises a SW combination frame, a turnout cage, a breaker, a representation transformer, a representation resistor and universal terminals, and 3 SW modules can be inserted into each SW combination for controlling 6 groups of turnouts.
The SIG combination comprises a SIG combination frame, a signal cage, a circuit breaker and universal terminals, each SIG combination can control 3 SIG modules, 12 shunting signals, 2 inbound signals or 6 outbound signals, and internal wiring adjustment can be performed as required;
the TC combination comprises 3 TC modules, a TC combination frame and universal terminals, and can control 48 track power receiving ends;
the SIO combination consists of 3 SIO modules and universal terminal terminals, and the SIO can drive 12 power transmission units and 24 incoming call collection units;
the SW module, the SIG module, the TC module and the SIOF module are collectively called IO modules, the hardware and the software of each IO module are composed of two sets of mutually independent circuits and are controlled by adopting a two-out-of-two safety principle;
the SW module can control two groups of turnouts, indicator lamps on the right side of a module panel are status indicator lamps of a computer part, corresponding IO status indicator lamps are on the left side of the module panel, and A, B sets of IO status indicator lamps respectively reflect the statuses of A, B sets of circuits;
wherein one SIG module can control four shunting signals. The indicating lamps on the right side of the module panel are state indicating lamps of the computer part, the corresponding IO state indicating lamps are on the left side of the module panel, and A, B sets of IO state indicating lamps respectively reflect the states of A, B sets of circuits;
one TC module collects 16 track power receiving ends, the shunt circuit voltage is less than 5V, and the collected voltage is 10.5V-16V;
wherein, the all-electronic execution unit completes the driving and collecting functions of the outdoor equipment through the (SW, SIG, TC, SIO) module;
the control component comprises CPU host system software, OC system software and MC system software;
the CPU host system software, namely an interlocking operation program, is a core program of an interlocking system, and is generated by compiling and connecting an interlocking source program generated by the cbiCAD and an existing bottom layer interlocking module;
the OC system is a human-computer interaction interface of an operator on duty, communicates with the CPU system, sends an operation command of the operator on duty, displays and reflects the state of station equipment in a real-time graphic manner, is used for realizing a voice alarm function, displays a turnout action current curve in real time and supports multiple screens of one machine;
the MC system is mainly used by maintenance personnel or management personnel and provides fault diagnosis and fault analysis basis for maintenance.
The size of the cabinet meets the industrial grade requirement, namely 800mm 2200mm, the cabinet adopts a double-opening door type, the front surface of the cabinet is protected by toughened glass, the bottom of the cabinet is provided with an opening, and the upper surface of the cabinet is provided with a cooling fan.
The lightning protection junction box is provided with two wiring modes of upper wiring and lower wiring.
Preferably, the intelligent control system further comprises a modular computer interlocking system combination, wherein the modular computer interlocking system combination is used for completing wiring among the modules, the circuit breakers and the branch terminals and controlling outdoor equipment, and the modular computer interlocking system combination comprises a combination frame, a module cage, a south african circuit breaker, a universal branch terminal and the like.
Preferably, the system also comprises a modular computer interlocking system, wherein 6502 gravity type relays are completely eliminated from the modular computer interlocking system, European standard micro relays are integrated with an electronic circuit, the on and off of the relays are controlled by a single chip microcomputer, the control voltage of outdoor equipment of the modular computer interlocking system is sent out through the micro relay contacts to achieve the purpose of being outside an indoor control room, and the output of an internal circuit of each execution module adopts a design principle that 2 is selected from 2 by a double-set circuit 2 to ensure the safety and reliability of a signal system.
Preferably, the lighting power supply of each signaler and the action power supply of each group of turnouts are independently output in a one-to-one mode through European standard safety relay double contacts, and the execution unit realizes strong and weak electric isolation through the European standard safety relay contacts.
Preferably, the system further comprises an optical communication system connected with the optical end of the full electronic execution unit, the optical communication system communicates through an optical fiber medium, the FCM module of the main cabinet is connected with the expansion cabinet through the OPC module for realizing optical communication between the expansion cabinet execution unit and the interlock system, and the computer interlock system and the full electronic module adopt redundant optical switching 485 communication.
Preferably, the display adopts a CRT display or a liquid crystal display and is used for displaying station state, operation prompt and alarm information, the mouse is used for an operator to handle the approach and realize man-machine conversation, and the sound is used for system alarm or voice prompt.
Preferably, the bottom interlocking module program is suitable for various station yards, and the bottom interlocking module program does not need to be modified when the station yard is changed.
Preferably, a surge protector is arranged in the lightning protection junction box, and a circuit structure formed by connecting a zinc oxide varistor (MOV) and a discharge tube (GDT) in series is arranged in the surge protector.
Compared with the prior art, the computer interlocking system has the beneficial effects that:
1. the interlocking system simplifies the system structure to the maximum extent, adopts the latest development technology of the current computer industrial control, takes the design concepts of modularization and unitization into consideration from the aspects of railway signal design, construction, maintenance, test, station yard reconstruction, informatization requirements and the like, and directly controls various outdoor signal equipment by modularizing into units.
2. The full electronic execution unit has an external line short-circuit protection function, all the fuses which are easy to age are cancelled and are changed into south Africa switches, the problem that the proportion of occupied signal faults is the highest is solved, most of functional software is realized, the software is a wear-free product, once the debugging is successful, the maintenance is not needed, in addition, the full electronic execution unit is controlled and collected to be directly connected to outdoor equipment (a lightning protection cabinet in parallel connection) through cables, connecting lines are almost not needed between the cabinets, and the fault rate of the indoor equipment is greatly reduced.
3. The module has a perfect self-checking function, the failure computer interlocking system equipment is reliable and convenient to replace, the running states of all the equipment are monitored in real time by adopting a monitoring computer, and all the indications are clear; the module supports hot plug, and it is convenient to change, and fault handling is quick, changes original "analyze earlier the trouble, judge the trouble, handle the trouble, just can resume the transportation at last fault handling process into: the fault module is directly replaced to recover transportation production, and the matters of analyzing the fault, judging the fault and maintaining the fault module are given to us to finish, and the fault processing change greatly shortens the time of system fault processing and influencing the normal transportation of the railway.
Drawings
FIG. 1 is a schematic diagram of the architecture of the computer interlock system of the present invention;
FIG. 2 is a schematic diagram of the hierarchical structure of the computer interlock system of the present invention;
FIG. 3 is a schematic diagram of the SW combination in the computer interlock system of the present invention;
FIG. 4 is a schematic diagram of the structure of the SIG assembly in the computer interlock system of the present invention;
FIG. 5 is a schematic diagram of the configuration of the TC combinations in the computer interlock system of the present invention;
FIG. 6 is a schematic diagram of the structure of an SIO combination in a computer interlocking system according to the present invention;
FIG. 7 is a schematic diagram of an optical communication system in a computer interlocking system according to the present 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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution:
as shown in fig. 1-7, a computer interlock system comprising:
the system comprises a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the cabinet comprises a main cabinet, an expansion cabinet, a control console and a lightning protection junction cabinet;
the size of the cabinet meets the industrial grade requirement, namely 800mm 2200mm, the cabinet adopts a double-opening door type, the front of the cabinet adopts toughened glass for protection, the bottom of the cabinet is provided with an opening, and a cooling fan is arranged on the cabinet;
wherein, the front of the main cabinet sequentially comprises from top to bottom: two sets of redundant UPS power, the back top-down of main cabinet does in proper order: the intelligent interlocking system comprises two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal, lightning protection and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing four combinations of signals, turnouts, tracks and scattered elements, and the expansion cabinet is used for placing 5 combinations which are sequentially a combination I (Z1), a combination II (Z2), a combination III (Z3), a combination IV (Z4) and a combination V (Z5) from top to bottom;
wherein, the control cabinet includes: a control desk, a display, a mouse and a sound box;
the lightning protection junction box is used for connecting indoor equipment and outdoor equipment, and has two wiring modes of upper wiring and lower wiring;
according to controlling different objects, the combination is divided into: the system comprises an SW combination, a SIG combination, a TC combination and an SIO combination, wherein a circuit breaker and a module are arranged in front of each combination, and a distributing terminal board is arranged at the back of each combination;
the SW combination comprises an SW combination frame, a turnout cage, a breaker, a representation transformer, a representation resistor and universal terminals, and each SW combination can be inserted with 3 SW modules for controlling 6 groups of turnouts.
The SIG combination comprises a SIG combination frame, a signal cage, a circuit breaker and universal terminals, each SIG combination can control 3 SIG modules, 12 shunting signals, 2 incoming signals or 6 outgoing signals, and internal wiring adjustment can be carried out as required;
the TC combination comprises 3 TC modules, a TC combination frame and universal terminals, and can control 48 track power receiving ends;
the SIO combination consists of 3 SIO modules and universal terminal terminals, and the SIO can drive 12 power transmission and 24 incoming call collection;
the SW module, the SIG module, the TC module and the SIOF module are collectively called IO modules, the hardware and the software of each IO module are respectively composed of two sets of mutually independent circuits, and the control is carried out by adopting a two-out-of-two safety principle;
wherein, a SW module can control two groups of switches, the indicator light on the right side of the module panel is the status indicator light of the computer part, the corresponding IO status indicator light is on the left side, and the IO status indicator light has A, B two sets and respectively reflects the status of A, B two sets of circuits;
wherein, four shunting signals can be controlled by one SIG module. The indicating lamps on the right side of the module panel are state indicating lamps of the computer part, the corresponding IO state indicating lamps are on the left side of the module panel, and A, B sets of IO state indicating lamps respectively reflect the states of A, B sets of circuits;
one TC module collects 16 track power receiving ends, the shunt circuit voltage is less than 5V, and the collected voltage is 10.5V-16V;
the SIO module is used for a field connection circuit, a station connection circuit, a semi-automatic blocking circuit, an automatic blocking circuit and the like, the driving of the SIO module can be suitable for various voltages of 24-220V, the collected voltage is direct current of 10-30V, each module comprises four driving points and eight collecting points, and different functions can be realized according to different wiring;
the all-electronic execution unit completes the functions of driving and collecting the outdoor equipment through the (SW, SIG, TC and SIO) module;
the full electronic execution unit has an external line short-circuit protection function, all aged fuses are cancelled to be changed into south Africa switches, the problem that the proportion of signal faults is the highest is solved, most functional software is realized, the software is a wear-free product, once debugging is successful, maintenance is not needed, in addition, the full electronic execution unit is controlled and collected to be directly connected to outdoor equipment (a lightning protection cabinet) through a cable, and almost no connecting line exists between equipment cabinets, so that the fault rate of the indoor equipment is greatly reduced;
the control component comprises CPU host system software, OC system software and MC system software;
the CPU host system software, namely an interlocking operation program, is a core program of an interlocking system, and is generated by compiling and connecting an interlocking source program generated by the cbiCAD and an existing bottom layer interlocking module;
the OC system is a human-computer interaction interface of an attendant, communicates with the CPU system, sends an operation command of the attendant, displays and reflects the state of station equipment in a real-time graphic display manner, is used for realizing a voice alarm function, displays a turnout action current curve in a real-time manner, supports multiple screens of one machine, and uses a menu command to enable the display interface to be concise and attractive;
the MC system is mainly used by maintenance personnel or management personnel and provides a fault diagnosis and fault analysis basis for maintenance.
By adopting the technical scheme, the system accords with the technical conditions of computer interlocking issued by the railway ministry, software and hardware are designed and developed by adopting a modularized thought on the premise of ensuring the safety, reliability and stability of the system, and a set of station interlocking system with reliable performance, fault safety, perfect functions, simple operation and convenient maintenance is realized by applying the latest computer technology, bus technology and network technology.
As shown in fig. 1-7, the computer interlocking system further includes a modular computer interlocking system assembly, the modular computer interlocking system assembly is used for completing wiring among the modules, the circuit breakers, the branch terminals and controlling outdoor equipment, and the modular computer interlocking system assembly is composed of a combination frame, a module cage, a south african circuit breaker, a universal branch terminal and the like.
As shown in fig. 1-7, the computer interlocking system further comprises a modular computer interlocking system, wherein 6502 gravity type relays are completely eliminated from the modular computer interlocking system, european standard micro relays are integrated with electronic circuits, the on and off of the relays are controlled by a single chip microcomputer, the control voltage of outdoor equipment of the modular computer interlocking system is sent out through the micro relay contacts to achieve the purpose of indoor control outdoor, and the output of the internal circuit of each execution module adopts a design principle that 2 is selected from 2 by a double circuit 2 to ensure the safety and reliability of a signal system.
As shown in fig. 1-7, the lighting power supply of each signal machine and the action power supply of each group of turnouts are independently output in a one-to-one manner by adopting European standard safety relay double contacts, and the execution unit realizes strong and weak electric isolation through the European standard safety relay contacts.
As shown in fig. 1 to 7, the computer interlocking system further includes an optical communication system connected to the optical end of the all-electronic execution unit, the optical communication system communicates through an optical fiber medium, so that the transmission capability and the anti-interference capability are higher, the cost performance is high, and the construction is convenient, the FCM module of the main cabinet is connected to the OPC module in the expansion cabinet through the optical fiber medium, and then connected to the expansion cabinet execution unit through 485 communication of the OPC module. The computer interlocking system and the full electronic module adopt redundant light-to-485 communication, and compared with the traditional Ethernet communication, the computer interlocking system is better, the optical fiber transmission has no attenuation, the anti-interference performance is strong, and the communication speed is faster.
As shown in fig. 1-7, the display adopts a CRT display or a liquid crystal display for displaying the station status, the operation prompt and the alarm information, the mouse is used for the operator to handle the approach to realize the man-machine conversation, and the sound is used for the system alarm or the voice prompt.
As shown in fig. 1-7, the underlying interlock module program fits into a variety of yards and the underlying interlock module program does not need to be modified to accommodate yard changes.
As shown in fig. 1-7, the lightning protection junction box adopts a special universal terminal to replace the traditional six-column and eighteen-column wiring terminals, so that the field construction and maintenance are facilitated, the special lightning protection unit is directly inserted into the universal terminal, and the universal terminal and the lightning protection unit are skillfully integrated, so that the functions of the junction box are expanded, the structure is simplified, and the safe and reliable use of the junction box can be effectively ensured.
The lightning protection junction box not only meets the junction function of the junction box, but also solves the lightning protection problem, and is used for distribution, switching and lightning protection of signal cables in a railway station signal mechanical room. The six-post and eighteen-post wiring terminal is replaced. The wiring terminal and the surge protector base are combined into a whole, and the wiring terminal is a branching terminal with a lightning protection function. The connection mode adopts a spring terminal (WAGO terminal). The lightning protection adopts a surge protector, and a circuit structure is formed by connecting a zinc oxide piezoresistor (MOV) and a discharge tube (GDT) in series.
According to the technical scheme, the working steps of the scheme are summarized and carded:
the combination is produced, tested and aged in a factory, the production process completely meets the ISO9000 quality management system, and the installation workload of the equipment after the equipment arrives at the site is mainly as follows:
1. production, assembly and construction of all equipment of the system;
2. the main cabinet is connected with the expansion cabinet and the communication and power line between the internal combined modules of the expansion cabinet;
3. the production, installation, wiring and other work of the lightning protection junction box;
4. the power supply loop wire is arranged between the indoor cabinets and between the power supply screen and the cabinet;
5. the construction party, the use party and the design party carry out simulation interlocking test on the software together;
6. downloading software and carrying out single-point test on outdoor equipment;
7. debugging and opening equipment;
8. after the equipment wiring is completely finished, the equipment wiring is checked and confirmed by a field engineer to have joint debugging conditions, the joint debugging conditions and the Party A agree time and scheme together, when the joint debugging is carried out, a microcomputer is powered up and operated, an outdoor circuit is driven by an execution module, and three comparison tests are carried out through a control console panel, an execution machine panel and the state of outdoor equipment, wherein the method comprises the following steps: the control console is provided with 1 person (A), the executive machine is provided with 1 person (B), the outdoor equipment is provided with 1 person (C), each person respectively observes the respective disk surface display or equipment state, when the display results of certain equipment observed by the three persons are the same, the indoor and outdoor equipment states are consistent, the three comparison tests are completed, otherwise, the fault is detected, and the field executive staff immediately processes the fault.
It is worth mentioning that: the interlock system has a function of interfacing with crossing equipment. The interlocking system can provide the alarm condition of the corresponding road junction and can also reflect the related alarm information of the road junction. Interface mode has two kinds, firstly, realize through interface circuit, scattered module through interlock docks with crossing equipment, and computer interlock possesses and dispatches the centralized system interface, information-based system interface, transfer the prison system interface, the car ground system interface with transfer the prison system, microcomputer monitoring, the function of interfaces such as state railway TDCS system, and the relevant informationization of later stage is reserved to the system, the interface of intelligent transformation, reserve the automatic function of advancing of arranging, and computer interlock possesses stronger scalability, can provide the interface of different standards, include: the system comprises a connection with an existing adjacent station interlocking system, an interface with a signal centralized monitoring system, an interface with a large monitoring screen system, a combined interface with a centralized control crossing system and the like.
To sum up: the computer interlocking system conforms to the technical conditions of computer interlocking issued by the railway ministry, software and hardware are designed and developed by adopting a modularized thought on the premise of ensuring the safety, reliability and stability of the system, and a set of station interlocking system with reliable performance, fault safety, perfect functions, simple operation and convenient maintenance is realized by applying the latest computer technology, bus technology and network technology.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A computer interlock system, comprising:
the system comprises a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the equipment cabinet comprises a main machine cabinet, an expansion equipment cabinet, a control console and a lightning protection junction cabinet;
wherein, the front of main cabinet is from top to bottom in proper order: two sets of redundant UPS power, the back top-down of main cabinet does in proper order: the intelligent interlocking system comprises two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal, lightning protection and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing four combinations of signals, switches, tracks and scatters, and the expansion cabinet is used for placing 5 combinations, namely a combination I (Z1), a combination II (Z2), a combination III (Z3), a combination IV (Z4) and a combination V (Z5) from top to bottom;
wherein the console comprises: a control desk, a display, a mouse and a sound box;
the lightning protection junction box is used for connecting indoor equipment and outdoor equipment;
according to different objects to be controlled, the combination is divided into: the system comprises an SW combination, a SIG combination, a TC combination and an SIO combination, wherein a circuit breaker and a module are arranged in front of each combination, and a distributing terminal board is arranged at the back of each combination;
the SW combination comprises a SW combination frame, a turnout cage, a breaker, a representation transformer, a representation resistor and universal terminals, and each SW combination is inserted with 3 SW modules for controlling 6 groups of turnouts;
the SIG combination comprises a SIG combination frame, a signal cage, a circuit breaker and universal terminals, each SIG combination controls 3 SIG modules, 12 shunting signals, 2 inbound signals or 6 outbound signals, and internal wiring adjustment can be carried out as required;
the TC combination comprises 3 TC modules, a TC combination frame and universal terminals, and controls 48 track power receiving ends;
the SIO combination consists of 3 SIO modules and universal terminal terminals, and the SIO drives 12 power transmission and 24 incoming call collection;
the SW module, the SIG module, the TC module and the SIOF module are collectively called IO modules, the hardware and the software of each IO module are composed of two sets of mutually independent circuits and are controlled by adopting a two-out-of-two safety principle;
the SW module can control two groups of turnouts, indicator lamps on the right side of a module panel are status indicator lamps of a computer part, corresponding IO status indicator lamps are on the left side of the module panel, and A, B sets of IO status indicator lamps respectively reflect the statuses of A, B sets of circuits;
one SIG module can control four shunting signals, indicator lamps on the right side of a module panel are status indicator lamps of a computer part, corresponding IO status indicator lamps are on the left side of the module panel, and A, B sets of IO status indicator lamps respectively reflect the statuses of A, B sets of circuits;
one TC module collects 16 track power receiving ends, the shunt circuit voltage is less than 5V, and the collected voltage is 10.5V-16V;
wherein, the all-electronic execution unit completes the driving and collecting functions of the outdoor equipment through the (SW, SIG, TC, SIO) module;
the control component comprises CPU host system software, OC system software and MC system software;
the CPU host system software, namely an interlocking operation program, is a core program of an interlocking system, and is generated by compiling and connecting an interlocking source program generated by the cbiCAD and an existing bottom layer interlocking module;
the OC system is a human-computer interaction interface of a person on duty, is communicated with the CPU system, sends an operation command of the person on duty, displays and reflects the state of station equipment in a real-time graphic mode, is used for realizing a voice alarm function, displays a turnout action current curve in real time and supports multiple screens of one machine;
the MC system is mainly used by maintenance personnel or management personnel and provides fault diagnosis and fault analysis basis for maintenance.
2. A computer interlock system as defined in claim 1, wherein: the size of the cabinet meets the industrial grade requirement, namely 800mm 2200mm, the cabinet adopts a double-door type, the front of the cabinet is protected by toughened glass, the bottom of the cabinet is provided with an opening, and the upper surface of the cabinet is provided with a cooling fan.
3. A computer interlock system as defined in claim 2, wherein: the lightning protection junction box is provided with two wiring modes of upper wiring and lower wiring.
4. A computer interlock system as defined in claim 3, wherein: still include the combination of modularization computer interlocking system, the combination of modularization computer interlocking system is used for accomplishing the distribution and the control outdoor equipment between module, circuit breaker, branch terminal, and the combination of modularization computer interlocking system comprises combination frame, module cage, south Africa circuit breaker, ten thousand branch line terminals etc..
5. A computer interlock system according to claim 4, wherein: the modular computer interlocking system is characterized in that 6502 gravity type relays are completely eliminated, European standard micro relays are integrated with an electronic circuit, the on and off of the relays are controlled through a single chip microcomputer, control voltage of outdoor equipment of the modular computer interlocking system is sent out through the micro relay contacts to achieve the purpose of being outside an indoor control room, and the output of an internal circuit of each execution module adopts a design principle that 2 is selected from 2 by using a double-set circuit 2 to ensure the safety and reliability of a signal system.
6. A computer interlock system according to claim 5, wherein: the lighting power supply of each signaler and the action power supply of each group of turnouts are independently output in a one-to-one mode through European standard safety relay double contacts, and the execution unit realizes strong and weak electric isolation through the European standard safety relay contacts.
7. A computer interlock system as defined in claim 6, wherein: the optical communication system is communicated through an optical fiber medium, the FCM module of the main cabinet is connected with the OPC module in the expansion cabinet through the optical fiber medium and is connected with the expansion cabinet execution unit through 485 communication of the OPC module, optical communication between the expansion cabinet execution unit and the interlocking system is achieved, and redundant optical switching 485 communication is adopted between the computer interlocking system and the full electronic module.
8. A computer interlock system as defined in claim 7, wherein: the display adopts a CRT display or a liquid crystal display and is used for displaying station state, operation prompt and alarm information, the mouse is used for an operator to handle a route and realize man-machine conversation, and the sound box is used for system alarm or voice prompt.
9. A computer interlock system according to claim 8, wherein: the lightning protection junction box is internally provided with a surge protector, and the surge protector is internally provided with a circuit structure formed by connecting a zinc oxide varistor (MOV) and a discharge tube (GDT) in series.
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