CN114454919B - Computer interlocking system - Google Patents
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- CN114454919B CN114454919B CN202210247257.1A CN202210247257A CN114454919B CN 114454919 B CN114454919 B CN 114454919B CN 202210247257 A CN202210247257 A CN 202210247257A CN 114454919 B CN114454919 B CN 114454919B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a computer interlocking system, comprising: a plurality of cabinets, a combination, a full electronic execution unit and a control assembly; the equipment cabinet comprises a main equipment cabinet, an extension equipment cabinet, a control console and a lightning protection branching cabinet; wherein, the front of main rack top-down is in proper order: the back of the main cabinet is sequentially provided with two sets of redundant UPS power supplies from top to bottom: two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal and two sets of redundant UPS power supplies. The system meets the computer interlocking technical conditions issued by the Ministry of railways, and software and hardware are designed and developed by adopting modularized ideas on the premise of ensuring the safety, reliability and stability of the system, and the latest computer technology, bus technology and network technology are applied to realize a set of station interlocking system which has reliable performance, fault safety, perfect functions, simple operation and convenient maintenance.
Description
Technical Field
The invention relates to the technical field of signal systems, in particular to a computer interlocking system.
Background
The computer interlocking is control equipment for ensuring the driving safety of a railway station, plays a very important role in ensuring the driving safety, improving the transportation efficiency, improving the labor condition and the like, the overall structure of the traditional computer interlocking system is basically divided into a human-computer interface layer, an interlocking core layer, an IO circuit layer, an indoor branching layer, a relay interface layer, an outdoor branching layer and the like, the overall structure is not changed at all, the development is focused on the change of the software and hardware safety (namely the interlocking core layer and the IO circuit layer) of a computer link at present, but the computer interlocking system of the layer is only used for simply replacing the original interlocking logic function of 6502 by computer software, and the relay interface layer still keeps nearly 30 percent of relays as interface circuits.
Disclosure of Invention
The invention aims to provide a computer interlocking system which meets the technical conditions of computer interlocking issued by the Ministry of railways, adopts modularized ideas for design and development of software and hardware on the premise of ensuring the safety, reliability and stability of the system, and adopts 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 so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a computer interlock system, comprising: a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the equipment cabinet comprises a main equipment cabinet, an extension equipment cabinet, a control console and a lightning protection branching cabinet;
wherein, the front top-down of main rack is in proper order: two sets of redundant UPS power supplies, the back top-down of main rack is in proper order: two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing four combinations of signals, turnouts, tracks and scattered, and is used for placing 5 combinations, namely a first combination (Z1), a second combination (Z2), a third combination (Z3), a fourth combination (Z4) and a fifth combination (Z5) from top to bottom in sequence;
wherein the console comprises: control desk, display, mouse, sound;
the lightning protection branching cabinet is used for connecting indoor equipment and outdoor equipment; the distribution function of the distribution cabinet is met, the lightning protection problem is solved, and the distribution cabinet is used for distributing, switching and lightning protection of signal cables in a railway station signal mechanical room. And replaces the traditional six-column and eighteen-column connecting terminals.
According to controlling different objects, the combination is divided into: the device comprises an SW (switch) combination, an SIG (signal induction) combination, a TC (train control) combination and an SIO (integrated input output) combination, wherein a breaker and a module are arranged in front of each combination, and a branching terminal board is arranged behind each combination;
the SW combination comprises a SW combination frame, a switch machine cage, a circuit 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 switches.
The SIG combination comprises SIG combination frames, signal machine cages, circuit breakers and universal terminals, each SIG combination can control 3 SIG modules, 12 shunting signal machines, 2 inbound signal machines or 6 outbound signal machines, and internal wiring adjustment can be carried out according to requirements;
the TC combination consists of 3 TC modules, a TC combination frame and a universal terminal, 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 transmissions and 24 incoming call acquisitions;
the SW module, the SIG module, the TC module and the SIOF module are collectively called as IO modules, and the hardware and the software of each IO module are composed of two sets of mutually independent circuits and controlled by adopting a two-in-two safety principle;
the SW module can control two groups of turnouts, the indicator lamps on the right side of the module panel are status indicator lamps of a computer part, the left side of the module panel is provided with corresponding IO status indicator lamps, and the IO status indicator lamps are provided with two A, B sets of circuits for respectively reflecting A, B two sets of states of the circuits;
one SIG module can control four shunting signals. The indicator lamps on the right side of the module panel are status indicator lamps of the computer part, the left side of the module panel is provided with corresponding IO status indicator lamps, and the IO status indicator lamps are provided with A, B sets of two circuits respectively reflecting A, B sets of states of the circuits;
the TC module collects 16 track power receiving ends, the shunt voltage is smaller than 5V, and the collection voltage is 10.5V-16V;
wherein, the full-electronic execution unit completes the functions of driving and collecting 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 is 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 cbiCAD with an existing bottom interlocking module;
the OC system is a man-machine interaction interface of an attendant, is communicated with the CPU system, transmits an operation command of the attendant, displays and reflects the state of station equipment in real time, is used for realizing a voice alarm function, displays a turnout action current curve in real time, and supports one machine with multiple screens;
the MC system is mainly used by maintenance personnel or management personnel, and provides fault diagnosis and fault analysis basis for maintenance.
The cabinet size adopts industry level requirement, namely 800mm 2200mm, the cabinet adopts double door type, the front of the cabinet adopts toughened glass for protection, the bottom of the cabinet is provided with a hole, and a cooling fan is arranged on the cabinet.
The lightning protection branching cabinet is provided with wiring in two modes of upper wiring and lower wiring.
Preferably, the intelligent control system further comprises a modularized computer interlocking system combination, wherein the modularized computer interlocking system combination is used for completing the wiring among the modules, the circuit breakers and the branching terminals and controlling the outdoor equipment, and the modularized computer interlocking system combination consists of a combined frame, a module cage, a south Africa circuit breaker, a universal branching terminal and the like.
Preferably, the intelligent control system further comprises a modularized computer interlocking system, the modularized computer interlocking system totally cancels 6502 gravity type relays, adopts European standard micro relays to integrate with electronic circuits, controls the on and off of the relays through a single chip microcomputer, and sends out control voltage of outdoor equipment of the modularized computer interlocking system through the micro relay connection points so as to achieve the purpose of indoor control and outdoor, and the output of an internal circuit of each execution module adopts a double-set circuit 2 design principle for guaranteeing the safety and reliability of a signal system.
Preferably, the lighting power supply of each signal machine and the action power supply of each group of turnouts are independently output one by adopting double contacts of the European standard safety relay, and the execution unit realizes strong and weak electric isolation through the contacts of the European standard safety relay.
Preferably, the system further comprises an optical communication system connected with the optical end of the all-electronic execution unit, the optical communication system is communicated through an optical fiber medium, the FCM module of the main cabinet is connected with the expansion cabinet through the OPC module and is used for realizing optical communication between the expansion cabinet execution unit and the interlocking system, and redundant optical conversion 485 communication is adopted between the computer interlocking system and the all-electronic module.
Preferably, 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 operators to transact the way to 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 yards, and meets the condition that the bottom interlocking module program is not required to be modified when the yards change.
Preferably, a surge protector is arranged in the lightning protection junction box, and a circuit structure formed by a zinc oxide piezoresistor (MOV) and a discharge tube (GDT) in series connection mode 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, and adopts modularized and unitized design concepts from the aspects of railway signal design, construction, maintenance, test, station reconstruction, informatization requirements and the like to directly control various outdoor signal equipment by the modularity unit.
2. The all-electronic execution unit has an external short-circuit protection function, all the fuses which are easy to age are cancelled to use south Africa switches, the problem that the proportion of signal faults is highest is solved, as most of functional software is realized, the software is a wear-free product, and once the software is successfully debugged, maintenance is not needed, in addition, as the control and collection of the all-electronic execution unit are directly connected to outdoor equipment (parallel lightning protection cabinets) through cables, almost no connecting wires exist between cabinets, and the fault rate of indoor equipment is greatly reduced.
3. The module has perfect self-checking function, the equipment of the failed computer interlocking system 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, is convenient to replace and quick in fault processing, and changes the original fault processing process of analyzing faults firstly, judging faults and processing faults and finally recovering transportation into the following steps: the fault module is directly replaced to restore transportation production, and the matters of analyzing the fault, judging the fault and maintaining the fault module are completed by us, so that the change of the fault processing greatly shortens the time for processing the system fault and influencing the normal transportation of the railway.
Drawings
FIG. 1 is a schematic diagram of a computer interlock system of the present invention;
FIG. 2 is a schematic diagram of a hierarchical structure of a computer interlocking system according to the present invention;
FIG. 3 is a schematic view of the structure of the SW assembly in the computer interlocking system of the present invention;
FIG. 4 is a schematic diagram of a SIG combination in a computer interlock system according to the present invention;
FIG. 5 is a schematic diagram of a TC assembly in a computer interlock system according to the present invention;
FIG. 6 is a schematic diagram of the structure of a SIO combination in a computer interlocking system according to the present invention;
fig. 7 is a schematic structural diagram of an optical communication system in the computer interlocking system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution:
as shown in fig. 1-7, a computer interlock system, comprising:
a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the equipment cabinet comprises a main equipment cabinet, an extension equipment cabinet, a control console and a lightning protection branching cabinet;
the cabinet is characterized in that the size of the cabinet adopts industrial grade requirements, namely 800mm x 2200mm, the cabinet adopts double door type, the front of the cabinet adopts toughened glass for protection, the bottom of the cabinet is provided with a hole, and the upper surface of the cabinet is provided with a cooling fan;
wherein, the front of main rack top-down is in proper order: the back of the main cabinet is sequentially provided with two sets of redundant UPS power supplies from top to bottom: two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing four combinations of signals, turnouts, tracks and scattered, and is used for placing 5 combinations, namely a first combination (Z1), a second combination (Z2), a third combination (Z3), a fourth combination (Z4) and a fifth combination (Z5) from top to bottom in sequence;
wherein the console comprises: control desk, display, mouse, sound;
the lightning protection branching cabinet is used for connecting indoor equipment and outdoor equipment, and is provided with wiring in two modes of upper wiring and lower wiring;
according to the control of different objects, the combination is divided into: the device comprises an SW (switch) combination, an SIG (signal induction) combination, a TC (train control) combination and an SIO (integrated input output) combination, wherein a breaker and a module are arranged in front of each combination, and a branching terminal board is arranged behind each combination;
the SW combination comprises a SW combination frame, a switch machine cage, a circuit 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 switches.
The SIG combination comprises SIG combination frames, signal machine cages, circuit breakers and universal terminals, each SIG combination can control 3 SIG modules, 12 shunting signal machines, 2 inbound signal machines or 6 outbound signal machines, and internal wiring adjustment can be carried out according to requirements;
the TC combination consists of 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 transmissions and 24 incoming call acquisitions;
the SW module, the SIG module, the TC module and the SIOF module are collectively called as IO modules, and the hardware and the software of each IO module are composed of two sets of mutually independent circuits and controlled by adopting a two-to-two safety principle;
wherein, one SW module can control two groups of turnouts, the indicator lamp on the right side of the module panel is a status indicator lamp of a computer part, the left side is a corresponding IO status indicator lamp, and the IO status indicator lamp has A, B two sets of status of A, B two sets of circuits respectively;
one SIG module can control four shunting signals. The indicator lamps on the right side of the module panel are status indicator lamps of the computer part, the left side of the module panel is provided with corresponding IO status indicator lamps, and the IO status indicator lamps are provided with A, B sets of two circuits respectively reflecting A, B sets of states of the circuits;
wherein, a TC module collects 16 track powered ends, the shunt voltage is less than 5V, and the collection voltage is 10.5V-16V;
the SIO module is used for a field connection, a station connection, a semi-automatic blocking, an automatic blocking and other contact circuits, the driving of the SIO module can be applicable to various voltages of 24-220V, the acquisition voltage is 10-30V of direct current, each module comprises four driving points and eight acquisition points, and different functions can be realized according to different wiring;
wherein, the full electronic execution unit completes the functions of driving and collecting the outdoor equipment through a (SW, SIG, TC, SIO) module;
the all-electronic execution unit has an external short-circuit protection function, all the fuses which are easy to age are cancelled and changed into south African switches, the problem that the proportion of signal faults is highest is solved, and as most of functional software is realized, the software is a wear-free product, and once the debugging is successful, maintenance is not needed;
the control component comprises CPU host system software, OC system software and MC system software;
the CPU host system software is an interlocking operation program, is a core program of the interlocking system, and is generated by compiling and connecting an interlocking source program generated by the cbiCAD with an existing bottom interlocking module;
the OC system is a man-machine interaction interface of an attendant, is communicated with the CPU system, transmits an operation command of the attendant, displays and reflects the state of the station equipment in real time, is used for realizing a voice alarm function, displays a turnout action current curve in real time, supports one machine with multiple screens, 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 fault diagnosis and fault analysis basis for maintenance.
By adopting the technical scheme, the system meets the computer interlocking technical conditions issued by the Ministry of railways, and 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 function, 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 combination for completing the wiring between the modules, the circuit breakers, the branch terminals, and controlling the outdoor equipment, and the modular computer interlocking system combination 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 modularized computer interlocking system, the modularized computer interlocking system totally cancels 6502 gravity type relays, adopts an European standard micro relay to integrate with an electronic circuit, controls the on and off of the relays through a singlechip, and sends out control voltage of outdoor equipment of the modularized computer interlocking system through the micro relay connection points so as to achieve the purpose of indoor control and outdoor control, and the output of an internal circuit of each execution module adopts a design principle of 2 sets of circuits for ensuring the safety and the reliability of a signal system.
As shown in fig. 1-7, the lighting power supply of each annunciator and the action power supply of each group of turnouts are output independently one by adopting double contacts of the European standard safety relay, and the execution unit realizes strong and weak electric isolation through the contacts of the European standard safety relay.
As shown in fig. 1-7, the computer interlocking system further comprises an optical communication system connected with the optical end of the all-electronic execution unit, the optical communication system is communicated through an optical fiber medium, the transmission capacity and the anti-interference capacity are stronger, the cost performance is high, the construction is convenient, the FCM module of the main cabinet is connected with the OPC module in the expansion cabinet through the optical fiber medium, and the FCM module is connected with the execution unit of the expansion cabinet through 485 communication of the OPC module. The computer interlocking system and the full electronic module adopt redundant optical-to-485 communication, which is better than the traditional Ethernet communication, 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 status of the station, the operation prompt and the alarm information, the mouse is used for the operators to handle the way, the man-machine conversation is realized, and the sound is used for the system alarm or the voice prompt.
As shown in fig. 1-7, the underlying interlocking module program is suitable for various yards, and meets the requirement that the underlying interlocking module program does not need to be modified for yard changes.
As shown in figures 1-7, the lightning protection junction box adopts the special universal terminal to replace the traditional six-column and eighteen-column wiring terminals, so that the on-site construction and maintenance are convenient, the special lightning protection unit is directly inserted on the universal terminal, the universal terminal and the lightning protection unit are skillfully integrated, the functions of the wiring board are expanded, the structure is simplified, and the use safety and reliability of the lightning protection junction box can be effectively ensured.
The lightning protection junction cabinet not only meets the junction function of the junction cabinet, but also solves the lightning protection problem, and is used for distributing, switching and lightning protection of signal cables in a railway station signal mechanical room. And replaces the traditional six-column and eighteen-column connecting terminals. The wiring terminal and the surge protector base are integrated into a whole, and the junction terminal with the lightning protection function. The connection mode adopts a spring terminal (WAGO connection terminal). The lightning protection adopts a surge protector, and a circuit structure is formed by a zinc oxide piezoresistor (MOV) and a discharge tube (GDT) in series connection.
According to the technical scheme, the working steps of the scheme are summarized and carded:
all the combinations adopt industrial production, testing and aging, the production process completely meets the ISO9000 quality management system, and the installation workload after the equipment arrives at the site is mainly as follows:
1. the production, assembly and construction of all the equipment of the system;
2. the communication and power line connection between the main cabinet and the extension cabinet and between the extension cabinet internal combination modules;
3. the production, installation, wiring and the like of the lightning protection branching cabinet work;
4. wiring between indoor cabinets, and a power supply loop wire between a power supply screen and the cabinet;
5. the construction party, the use party and the design party perform 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, checking and confirming that the equipment wiring has joint debugging conditions, and negotiating time and scheme with the first party together by a field engineer, powering on an operating microcomputer when joint debugging, driving an outdoor circuit by an execution module, and carrying out three-comparison test through the states of a console panel, an execution panel and the outdoor equipment, wherein the method comprises the following steps of: and (3) 1 person (A) at the console, 1 person (B) at the executing machine, 1 person (C) at the outdoor equipment, wherein each person respectively observes the display of the respective panel or the equipment state, when the display results of some equipment observed by three persons are the same, the states of the indoor and outdoor equipment are consistent, the three-comparison test is completed, otherwise, the fault is caused, and the on-site implementation personnel immediately process the fault.
Noteworthy are: the interlocking system has the function of interfacing with crossing equipment. The interlocking system can provide alarm conditions of corresponding crossing and can reflect related alarm information of crossing. The interface mode has two kinds, firstly realize through the interface circuit, dock with crossing equipment through interlock system's scattered module, and computer interlock system possesses with the centralized system interface of dispatch, informatization system interface, transfer system interface, train and ground system interface and transfer system, microcomputer monitoring, national railway TDCS system etc. interface's function, and system reservation later stage relevant informatization, intelligent transformation's interface, reservation automatic arrangement route function, and computer interlock system possesses stronger scalability, can provide the interface of different standards, include: the system comprises a link with the interlocking system of the existing adjacent station, an interface with the signal centralized monitoring system, an interface with the monitoring large screen system, a combined interface with the centralized control crossing system and the like.
To sum up: the computer interlocking system meets the computer interlocking technical conditions issued by the Ministry of railways, and software and hardware are designed and developed by adopting modularized ideas on the premise of ensuring the safety, reliability and stability of the system, and the latest computer technology, bus technology and network technology are applied to realize a set of station interlocking system which has reliable performance, fault safety, perfect functions, simple operation and convenient maintenance.
None of the inventions are related to the same or are capable of being practiced in the prior art. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A computer interlock system, comprising:
a plurality of cabinets, a combination, a full electronic execution unit and a control assembly;
the equipment cabinet comprises a main equipment cabinet, an extension equipment cabinet, a control console and a lightning protection branching cabinet;
wherein, the front top-down of main rack is in proper order: two sets of redundant UPS power supplies, the back top-down of main rack is in proper order: two sets of redundant 24V power supply modules, two redundant switches, an interlocking host cage, a system power supply lead-in terminal and two sets of redundant UPS power supplies;
the expansion cabinet is used for placing the SW combination, the SIG combination, the TC combination and the SIO combination, and is used for placing 5 combinations, namely a first combination, a second combination, a third combination, a fourth combination and a fifth combination from top to bottom in sequence;
wherein the console comprises: control desk, display, mouse, sound;
the lightning protection branching cabinet is used for connecting indoor equipment and outdoor equipment;
according to controlling different objects, the combination is divided into: the device comprises an SW (switch) combination, an SIG (signal induction) combination, a TC (train control) combination and an SIO (integrated input output) combination, wherein a breaker and a module are arranged in front of each combination, and a branching terminal board is arranged behind each combination;
the SW assembly comprises a SW assembly frame, a turnout machine cage, a circuit breaker, a representation transformer, a representation resistor and universal terminals, wherein each SW assembly is inserted with 3 SW modules for controlling 6 groups of turnouts;
the SIG combination comprises SIG combination frames, signal machine cages, circuit breakers and universal terminals, wherein each SIG combination controls 3 SIG modules, 12 shunting signal machines, 2 inbound signal machines or 6 outbound signal machines, and internal wiring adjustment can be carried out according to requirements;
the TC combination consists of 3 TC modules, a TC combination frame and universal terminals, and the TC combination controls 48 track power receiving ends;
the SIO combination consists of 3 SIO modules and universal terminals, and drives 12 power transmissions and 24 incoming call acquisitions;
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, the indicator lamps on the right side of the module panel are status indicator lamps of a computer part, the left side of the module panel is provided with corresponding IO status indicator lamps, and the IO status indicator lamps are provided with two A, B sets and respectively reflect the states of the A, B two sets of circuits;
one SIG module can control four shunting signals, the indicator lamps on the right side of the module panel are status indicator lamps of a computer part, the left side of the module panel is provided with corresponding IO status indicator lamps, and the IO status indicator lamps are provided with two sets of A, B and respectively reflect the states of two sets of A, B circuits;
the TC module collects 16 track power receiving ends, the shunt voltage is smaller than 5V, and the collection voltage is 10.5V-16V;
the full-electronic execution unit completes the functions of driving and collecting 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 is 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 cbiCAD with an existing bottom interlocking module;
the OC system software is a man-machine interaction interface of an operator, is communicated with the CPU system, transmits an operation command of the operator, displays a graph in real time to reflect the state of the station equipment, is used for realizing a voice alarm function, displays a turnout action current curve in real time, and supports one machine with multiple screens;
the MC system software is used by maintenance personnel or management personnel to provide fault diagnosis and fault analysis basis for maintenance;
the size of the cabinet adopts industrial grade requirements, namely 800mm, 800mm and 2200mm, the cabinet adopts double door type, the front of the cabinet adopts toughened glass for protection, the bottom of the cabinet is provided with a hole, and the upper surface of the cabinet is provided with a cooling fan;
the lightning protection branching cabinet is provided with wiring in two modes of upper wiring and lower wiring;
the system also comprises a modularized computer interlocking system, wherein the modularized computer interlocking system totally cancels 6502 gravity type relays, adopts European standard micro relays to integrate with electronic circuits, controls the on and off of the relays through a singlechip, sends out control voltage of outdoor equipment through the contacts of the micro relays so as to achieve the purpose of indoor control and outdoor, and outputs an internal circuit of each execution module by adopting a double-set circuit 2 design principle for guaranteeing the safety and reliability of a signal system;
the lighting power supply of each annunciator and the action power supply of each group of turnouts are independently output one by adopting double contacts of the European standard safety relay, and the execution unit realizes strong and weak electric isolation through the contacts of the European standard safety relay;
the system also comprises an optical communication system connected with the optical end of the all-electronic execution unit, the optical communication system communicates through optical fiber media, the FCM module of the main cabinet is connected with the OPC module in the extension cabinet through the optical fiber media, the computer interlocking system is connected with the computer interlocking system through 485 communication of the OPC module, and is connected with the extension cabinet execution unit to realize optical communication between the extension cabinet execution unit and the interlocking system, and redundant optical-to-485 communication is adopted between the computer interlocking system and the full-electronic execution unit;
the display adopts a CRT display or a liquid crystal display, is used for displaying the state of a station, operation prompt and alarm information, the mouse is used for an operator to transact a route to realize man-machine conversation, and the sound equipment is used for system alarm or voice prompt;
the lightning protection branching cabinet is internally provided with a surge protector, and the surge protector is internally provided with a circuit structure formed by connecting a zinc oxide piezoresistor and a discharge tube in series.
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