CN106444553B - Scattered acquisition driving system based on two-by-two-out-of-two architecture - Google Patents
Scattered acquisition driving system based on two-by-two-out-of-two architecture Download PDFInfo
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- CN106444553B CN106444553B CN201611075084.0A CN201611075084A CN106444553B CN 106444553 B CN106444553 B CN 106444553B CN 201611075084 A CN201611075084 A CN 201611075084A CN 106444553 B CN106444553 B CN 106444553B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
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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 relates to a scattered acquisition driving system based on a two-by-two architecture, which comprises an interlocking lower computer IPS, an interlocking maintenance platform SDM, a scattered acquisition driving module SIOM and an all-electronic communication module EIOCOM2, wherein the scattered acquisition driving module SIOM, the all-electronic communication module EIOCOM2 and the interlocking lower computer IPS are sequentially connected, and the all-electronic communication module EIOCOM2 is connected with the interlocking maintenance platform SDM; the scattered acquisition driving module SIOM acquires a driving command of scattered equipment through the interlocking lower computer IPS, and drives the scattered equipment according to the driving command; and when the device is not driven, the scattered acquisition driving module SIOM acquires the state of scattered equipment and transmits the state to the interlocking lower computer IPS. Compared with the prior art, the invention has the advantages of replacing the prior relay circuit by utilizing the high-performance circuit board, reducing construction and maintenance cost and the like.
Description
Technical Field
The invention relates to a railway signal equipment system, in particular to a scattered acquisition driving system based on a two-by-two-out-of-two architecture.
Background
In order to realize inter-station communication of field connection, station connection and semi-automatic blocking, more complex relay circuits and monitoring circuits need to be built, which leads to more relay and monitoring circuits in actual design and construction. These relays and monitoring circuits are costly and take up a large space in the machine room. In addition, when a certain relay fails, the alarm cannot be given out timely, and the on-site maintenance is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a scattered acquisition driving system based on a two-by-two architecture, which drives scattered equipment according to a scattered equipment driving command sent by an IPS and judges the state of the scattered equipment by detecting the voltage of the scattered equipment. In addition, the SIOM sends alarm information and monitoring information to the SDM, so that the monitoring of the operation of the board card is realized. The system replaces the prior relay circuit with the high-performance circuit board, and reduces construction and maintenance cost.
The aim of the invention can be achieved by the following technical scheme:
the scattered acquisition driving system based on the two-by-two architecture comprises an interlocking lower computer IPS, an interlocking maintenance platform SDM, an scattered acquisition driving module SIOM and an all-electronic communication module EIOCOM2, wherein the scattered acquisition driving module SIOM, the all-electronic communication module EIOCOM2 and the interlocking lower computer IPS are sequentially connected, and the all-electronic communication module EIOCOM2 is connected with the interlocking maintenance platform SDM;
the scattered acquisition driving module SIOM acquires a driving command of scattered equipment through the interlocking lower computer IPS, and drives the scattered equipment according to the driving command; when not driven, the scattered acquisition driving module SIOM acquires the state of scattered equipment and transmits the state to the interlocking lower computer IPS; the sporadic acquisition driving module SIOM periodically checks the security devices on its own module and sends the board maintenance information to the interlocking maintenance station SDM.
The interlocking lower computer IPS, the full-electronic communication module EIOCOM2 and the scattered acquisition driving module SIOM are all two-by-two safety redundant systems.
The scattered collection driving module SIOM comprises a driving module for driving scattered equipment, a collection module for collecting state information of the scattered equipment and a detection module for periodically detecting safety devices on the self module.
The drive module and the collection module share scattered drive and adopt the interface, every scattered drive adopts the interface to contain two lines, drive or gather two lines that share scattered drive and adopt the interface, do not gather when driving, gather when not driving, every scattered drive adopts the interface to possess voltage monitoring unit for monitor input voltage and output voltage.
The scattered acquisition driving module SIOM comprises an FPGA, a CPU and an external driving power supply which are sequentially connected, the FPGA is respectively connected with the driving module and the acquisition module, and the CPU is connected with the full-electronic communication module EIOCOM 2;
the FPGA periodically samples the driving module and the acquisition module and sends the sampled signals to the CPU respectively, the CPU judges the state of the scattered acquisition driving module SIOM through the state of the driving module and the state of the acquisition module, then the state of the scattered acquisition driving module SIOM is obtained through two-by-two comparison, and the scattered acquisition driving module SIOM sends the state of the scattered acquisition driving module SIOM to the interlocking maintenance platform SDM through the full-electronic communication module EIOCOM2.
The scattered acquisition driving module SIOM also comprises an isolation module which is respectively connected with the driving module and an external driving power supply, when the external driving power supply or the driving module fails, the isolation module can open the isolation relay, and the power supply used by the driving module and the power supply used for driving are cut off.
The scattered acquisition driving module SIOM also comprises a fuse wire module connected with the isolation module, when the isolation module fails or the scattered acquisition driving module SIOM has an abnormal condition affecting safety, the fuse wire module can blow a board fuse wire, the relay of the isolation module is cut off in an irreversible mode to supply power, and the scattered acquisition driving module SIOM is guided to a safe state.
The interlocking maintenance station SDM is provided with the functions of storing the received monitoring information and fault alarm information.
Compared with the prior art, the invention has the following advantages:
1) The system is based on a two-in-two architecture and BIT technology, so that the safety is ensured; the high-performance CPU, the FPGA and the small relay are utilized to replace the traditional relay circuit mode, so that the construction difficulty and the project cost are reduced; and a two-by-two redundancy design is adopted, hot plug is supported at the same time, and the reliability and maintainability of the system are obviously improved.
2) The system can replace the traditional relay circuit and monitoring circuit with lower cost, simpler construction and more convenient maintenance; and fault alarm and monitoring information storage are carried out through SDM.
Drawings
FIG. 1 is a schematic diagram of a scattered acquisition driving system according to the present invention;
fig. 2 is a schematic diagram of the inside of the distributed acquisition driving module SIOM according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1, the scattered acquisition driving system based on the two-by-two-out-of-two architecture utilizes a high-performance circuit board to replace a traditional relay circuit, so that construction and maintenance cost is reduced. The system comprises an interlocking lower computer IPS, an interlocking maintenance platform SDM, a scattered acquisition driving module SIOM and an all-electronic communication module EIOCOM2. The scattered collection driving module SIOM obtains control commands of scattered equipment from the interlocking lower computer IPS through the all-electronic communication module EIOCOM2. And collecting or driving scattered equipment according to the received command, and sending the state of the scattered equipment to the interlocking lower computer IPS through the full-electronic communication module EIOCOM2. And at the same time, the board card maintenance information is sent to the interlocking maintenance station SDM. The system is based on a two-in-two architecture and BIT technology, so that the safety is ensured; the high-performance CPU, the FPGA and the small relay are utilized to replace the traditional relay circuit mode, so that the construction difficulty and the project cost are reduced; the system can be obviously improved in reliability and maintainability by adopting a two-by-two redundancy design and supporting hot plug. IPS, SDM and SIOM are autonomous development systems.
The scattered acquisition driving module SIOM supports the functions of driving and voltage acquisition of 3 paths of scattered equipment. The 2 scattered acquisition driving modules SIOM which are redundant with each other work in parallel at the same time, any fault does not affect the other module, and meanwhile, the board card supports hot plug and improves maintainability.
The interlocking lower computer IPS and the all-electronic communication module EIOCOM2 scattered acquisition driving module SIOM are dual-system hot standby systems, wherein the EIOCOM2 and the SIOM support hot plug. Compared with the traditional relay circuit, the construction difficulty and the occupied space of equipment are obviously reduced, and the cost is saved from engineering and hardware.
The IPS on the software keeps the existing software, the SDM increases the interface with the full-electronic communication module EIOCOM2, and the scattered acquisition driving module SIOM is brand new and independently developed. The function of the scattered acquisition driving module SIOM software can be divided into 6 subtasks: mode management tasks, fuse unit tasks, isolation unit tasks, acquisition management tasks, drive management tasks, and maintenance diagnostic tasks. The mode management task is mainly used for determining the mode of the current software; the fuse unit task is used for periodically detecting the fuse module and carrying out safe state processing under the condition that the SIOM of the scattered acquisition driving module is abnormal; the task of the isolation unit is used for detecting the isolation unit and performing isolation state processing when the states of the power module and the driving module of the scattered acquisition driving module SIOM are abnormal; the acquisition management task is mainly used for acquiring an acquisition command of the IPS, acquiring the state of scattered equipment according to the command, and periodically performing self-checking on an acquisition loop; the main task of the driving management task is to acquire a driving command of the IPS, control hardware to drive scattered equipment according to the command, and periodically perform self-checking on a driving circuit; the maintenance and diagnosis task mainly sends the board state to the SDM and is responsible for recording faults.
As shown in fig. 2, the scattered collection driving module SIOM includes a driving module 11 for driving the scattered equipment, a collection module 12 for collecting status information of the scattered equipment, and a detection module for periodically detecting a security device on the module, where the driving module 11 and the collection module 12 are respectively connected with the scattered equipment 2.
The drive module and the collection module share scattered drive and adopt the interface, every scattered drive adopts the interface to contain two lines, drive or gather two lines that share scattered drive and adopt the interface, do not gather when driving, gather when not driving, every scattered drive adopts the interface to possess voltage monitoring unit for monitor input voltage and output voltage.
The scattered acquisition driving module SIOM comprises an FPGA, a CPU and an external driving power supply which are sequentially connected, the FPGA is respectively connected with the driving module 11 and the acquisition module 12, and the CPU is connected with the full-electronic communication module EIOCOM 2;
the FPGA periodically samples the driving module and the acquisition module and sends the sampled signals to the CPU respectively, the CPU judges the state of the scattered acquisition driving module SIOM through the state of the driving module and the state of the acquisition module, then the state of the scattered acquisition driving module SIOM is obtained through two-by-two comparison, and the scattered acquisition driving module SIOM sends the state of the scattered acquisition driving module SIOM to the interlocking maintenance platform SDM through the full-electronic communication module EIOCOM2.
The scattered acquisition driving module SIOM also comprises an isolation module 13 which is respectively connected with the driving module and an external driving power supply, when the external driving power supply or the driving module fails, the isolation module can open an isolation relay, and the power supply used by the driving module and the power supply used for driving are cut off.
The scattered acquisition driving module SIOM also comprises a fuse module 14 connected with the isolation module, when the isolation module fails or the scattered acquisition driving module SIOM has an abnormal condition affecting safety, the fuse module can blow a board fuse, the relay of the isolation module is cut off in an irreversible mode to supply power, and the scattered acquisition driving module SIOM is guided to a safe state.
The scattered acquisition driving module SIOM supports the driving of scattered equipment and the acquisition function of the external line voltage; the CPU controls the forced guiding relay of the driving module through the FPGA according to the control command received from the IPS, so as to drive scattered equipment. The FPGA can regularly read back the state of the driving module and the sampling value of the collecting module and transmit the states to the CPU, and the CPU can judge the states of the driving module, the collecting module and scattered equipment.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (3)
1. The scattered acquisition driving system based on the two-by-two architecture is characterized by comprising an interlocking lower computer IPS, an interlocking maintenance platform SDM, an scattered acquisition driving module SIOM and an all-electronic communication module EIOCOM2, wherein the scattered acquisition driving module SIOM, the all-electronic communication module EIOCOM2 and the interlocking lower computer IPS are sequentially connected, and the all-electronic communication module EIOCOM2 is connected with the interlocking maintenance platform SDM;
the scattered acquisition driving module SIOM acquires a driving command of scattered equipment through the interlocking lower computer IPS, and drives the scattered equipment according to the driving command; when not driven, the scattered acquisition driving module SIOM acquires the state of scattered equipment and transmits the state to the interlocking lower computer IPS; the scattered acquisition driving module SIOM periodically checks the safety devices on the self module and sends the board card maintenance information to the interlocking maintenance platform SDM;
the scattered acquisition driving module SIOM comprises a driving module for driving scattered equipment, an acquisition module for acquiring state information of the scattered equipment and a detection module for periodically detecting a safety device on the self module;
the drive module and the acquisition module share scattered drive acquisition interfaces, each scattered drive acquisition interface comprises two wires, the two wires sharing the scattered drive acquisition interfaces are driven or acquired, the acquisition is not carried out during the driving, the acquisition is carried out during the non-driving, and each scattered drive acquisition interface is provided with a voltage monitoring unit for monitoring input voltage and output voltage;
the scattered acquisition driving module SIOM comprises an FPGA, a CPU and an external driving power supply which are sequentially connected, the FPGA is respectively connected with the driving module and the acquisition module, and the CPU is connected with the full-electronic communication module EIOCOM 2;
the FPGA periodically samples the driving module and the acquisition module and respectively sends the sampled driving module and the acquisition module to the CPU, the CPU judges the state of the scattered acquisition driving module SIOM through the state of the driving module and the state of the acquisition module, and then carries out two-by-two comparison to obtain the final state of the scattered acquisition driving module SIOM, and the scattered acquisition driving module SIOM sends the state of the scattered acquisition driving module SIOM to the interlocking maintenance platform SDM through the full-electronic communication module EIOCOM 2;
the scattered acquisition driving module SIOM also comprises an isolation module which is respectively connected with the driving module and an external driving power supply, when the external driving power supply is abnormal or the driving module fails, the isolation module can open an isolation relay to cut off the power supply used by the driving module and the power supply used for driving;
the scattered acquisition driving module SIOM also comprises a fuse wire module connected with the isolation module, when the isolation module fails or the scattered acquisition driving module SIOM has an abnormal condition affecting safety, the fuse wire module can blow a board fuse wire, the relay of the isolation module is cut off in an irreversible mode to supply power, and the scattered acquisition driving module SIOM is guided to a safe state.
2. The scattered acquisition driving system based on a two-by-two architecture according to claim 1, wherein the interlocking lower computer IPS, the all-electronic communication module EIOCOM2 and the scattered acquisition driving module SIOM are all two-by-two safety redundant systems.
3. The system of claim 1, wherein the interlocking maintenance station SDM is configured to store the received monitoring information and the fault warning information.
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| CN201611075084.0A CN106444553B (en) | 2016-11-29 | 2016-11-29 | Scattered acquisition driving system based on two-by-two-out-of-two architecture |
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| CN108693415B (en) * | 2017-04-11 | 2024-07-23 | 卡斯柯信号有限公司 | Testing system and method for signal machine driving system |
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| CN107831392B (en) * | 2017-11-29 | 2023-09-08 | 卡斯柯信号有限公司 | Full-electronic interlocking hardware intelligent test system |
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| CN112782966A (en) * | 2020-12-30 | 2021-05-11 | 卡斯柯信号有限公司 | Scattered equipment driving system for rail transit signal control |
| CN113885392B (en) * | 2021-10-18 | 2024-04-26 | 卡斯柯信号有限公司 | Fuse-free discrete output safety state escape protection system for safety output |
| CN114872765B (en) * | 2022-04-14 | 2024-01-02 | 通号城市轨道交通技术有限公司 | Scattered equipment control method and device based on general input/output module |
| CN114940193A (en) * | 2022-06-16 | 2022-08-26 | 卡斯柯信号有限公司 | Signal machine driving system based on two-by-two framework |
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