CN102923166B - Main plug-in connector for integrated train overspeed protection equipment - Google Patents
Main plug-in connector for integrated train overspeed protection equipment Download PDFInfo
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- CN102923166B CN102923166B CN201110229679.8A CN201110229679A CN102923166B CN 102923166 B CN102923166 B CN 102923166B CN 201110229679 A CN201110229679 A CN 201110229679A CN 102923166 B CN102923166 B CN 102923166B
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Abstract
The invention discloses a main plug-in connector for integrated train overspeed protection equipment and belongs to the field of train overspeed protection. The main plug-in connector for the integrated train overspeed protection equipment comprises a rail circuit coding function module, a speed and distance measurement function module, and a train overspeed protection processing module; only one provided main plug-in connector for the integrated train overspeed protection equipment can realize the rail circuit coding function, the speed and distance measurement function and the train overspeed protection function which are realized by a plurality of pieces of separate equipment or a plurality of plug-in connectors originally, so that the installation space and cost of the train overspeed protection equipment is effectively saved, the anti-electromagnetic interference capacity is improved effectively, and a train running control system can be developed in the direction of integration, miniaturization and high higher cost performance further.
Description
Technical field
The present invention relates to train overspeeding protection field, refer more particularly to the main plug-in unit of a kind of integrated form train overspeeding protection equipment.
Background technology
At present, the train overspeeding protection's equipment applied in railroad train operation control system its primarily of fail-safe computer or monitoring host computer, track circuit information receiving equipment, responder information receiving module BTM(Balise Transmission Modul), train interface unit TIU(Train Interface Unit), human interface device DMI (Driver Machine Interface Unit), test the speed range cells SDU(Speed & Distance Processing Unit) and the separate devices such as information recording unit or discrete plug-in unit composition.
Wherein fail-safe computer or monitoring host computer only complete train overspeeding protection's function, and track circuit decoding function is completed by track circuit information receiving equipment, and the distance measurement function that tests the speed is completed by the range cells that tests the speed.
But the train overspeeding protection's equipment needs be made up of separate devices or plug-in unit take larger installing space and higher cost, be unfavorable for that train operation control system is to future development that is integrated, miniaturized and high performance-price ratio.
Summary of the invention
Based on above-mentioned prior art Problems existing, the invention provides the main plug-in unit of integrated form train overspeeding protection equipment, originally the function i ntegration needing multiple separate devices or plug-in unit to complete respectively can be completed on described one block of main plug-in unit, be conducive to installing space and the cost of saving train overspeeding protection's equipment widely.Technical scheme is as follows:
The main plug-in unit of a kind of integrated form train overspeeding protection equipment, described main plug-in unit comprises: track circuit decoding function module, the distance measurement function module that tests the speed and train overspeeding protection's processing module;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, sends described train overspeeding protection processing module to by decode results;
The described distance measurement function module that tests the speed, for realizing the measurement to train running speed and distance, sends described train overspeeding protection processing module to by measurement result;
Described train overspeeding protection processing module, for the process according to the information realization train overspeeding protection received.
The main plug-in unit of another kind of integrated form train overspeeding protection equipment, described main plug-in unit comprises: track circuit decoding function module and the distance measurement function module that tests the speed;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, is supplied to fail-safe computer simultaneously by decode results or monitoring host computer uses;
The described distance measurement function module that tests the speed, for realizing the measurement to train running speed and distance, is supplied to fail-safe computer or monitoring host computer use simultaneously by measurement result.
The main plug-in unit of another integrated form train overspeeding protection equipment, described main plug-in unit comprises: track circuit decoding function module and train overspeeding protection's processing module;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, provides train overspeeding protection's processing module to use simultaneously by decode results;
Described train overspeeding protection processing module, for the process according to the information realization train overspeeding protection received.
Beneficial effect of the present invention is: the main plug-in unit of integrated form train overspeeding protection equipment provided by the invention, that originally need multiple separate devices or that plug-in unit completes respectively function can be realized on this block of main plug-in unit, overcome train overspeeding protection's function in prior art, track circuit decoding function with test the speed distance measurement function by discrete fail-safe computer or monitoring host computer, the situation that track circuit information receiving equipment and the range cells that tests the speed complete, thus effectively save installing space and the cost of train overspeeding protection's equipment, enhance anti-electromagnetic interference capability, be conducive to train operation control system further to integrated, miniaturization and high performance-price ratio future development.
Accompanying drawing explanation
Fig. 1 is the main pin function schematic diagram of integrated form train overspeeding protection equipment of the embodiment of the present invention 1;
Fig. 2 is the integrated form train overspeeding protection equipment main plug-in unit detailed construction schematic diagram of the embodiment of the present invention 2;
Fig. 3 is the integrated form train overspeeding protection equipment main plug-in unit hardware platform schematic diagram of the embodiment of the present invention 2.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly clear and definite, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and explanation thereof are mainly used in explaining the present invention, but not as a limitation of the invention.
Embodiment one
Embodiments provide the main plug-in unit of a kind of integrated form train overspeeding protection equipment, train overspeeding protection's processing capacity, track-circuit signalling decoding function and the distance measurement function that tests the speed can be realized on one block of plug-in unit.
As shown in Figure 1, the main plug-in unit of integrated form train overspeeding protection equipment comprises: track circuit decoding function module 101, the distance measurement function module 102 that tests the speed and train overspeeding protection's processing module 103;
Track circuit decoding function module 101, is connected with track circuit receiving coil, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, and sends decode results to train overspeeding protection's processing module 103;
Test the speed distance measurement function module 102, is connected with velocity sensor, for realizing the measurement to train running speed and distance, measurement result sent to described train overspeeding protection processing module 103;
Train overspeeding protection's processing module 103, is connected with the distance measurement function module that tests the speed respectively with track circuit decoding function module, for the process according to the information realization train overspeeding protection received.
The main plug-in unit of train overspeeding protection's equipment that the present embodiment provides both had achieved train overspeeding protection's function, achieve again track circuit decoding function and test the speed distance measurement function, overcome fail-safe computer or monitoring host computer in prior art and complete train overspeeding protection's function, and the situation that track circuit decoding function is completed by discrete track circuit information receiving equipment and the range cells that tests the speed with the distance measurement function that tests the speed, thus effectively save installing space and the cost of train overspeeding protection's equipment, enhance anti-electromagnetic interference capability, be conducive to train operation control system further to integrated, miniaturization and high performance-price ratio future development.
Embodiment two
Further, as shown in Figure 2, the main plug-in unit of train overspeeding protection's equipment in the present embodiment also comprises: external equipment interactive interface module 104, for the passage providing train overspeeding protection's processing module and external equipment to carry out information interaction, wherein, external equipment specifically comprises DMI, BTM, standby host, record plug-in unit and TIU plug-in unit etc.
Particularly, the track circuit decoding function module 101 in the present embodiment comprises: track circuit interface unit 1011 and track circuit decoding unit 1012;
Track circuit interface unit 1011, for acquisition trajectory circuit signal, specifically comprises the first signal condition subelement 1011a and signals collecting subelement 1011b;
Wherein, first signal condition subelement 1011a, be connected with track circuit receiving coil, for the filtering of the track-circuit signalling that induces track circuit receiving coil, amplitude limit and isolation processing, and the signal after conditioning is supplied to coupled signal gathering unit, particularly, the circuit that the first signal condition unit in the present embodiment can be made up of signal adaptation resistance-capacitance network, voltage-stabiliser tube, isolation operational amplifier and insulating power supply chip forms;
Signals collecting subelement 1011b, be connected with the first signal condition unit, for carrying out A/D conversion to conditioned track-circuit signalling, and the data signal after conversion is supplied to track circuit decoding unit and carries out decoding process, particularly, the circuit that the signal gathering unit in the present embodiment can be made up of signal adaptation resistor network and modulus acquisition chip forms;
Track circuit decoding unit 1012, for carrying out digital filtering, signal receiving and low frequency decoding process to the track-circuit signalling gathered, train overspeeding protection's processing module the low frequency obtained and carrier frequency information is provided to use, in the present embodiment, track circuit decoding unit realizes especially by CPU, and therefore CPU and track circuit interface unit constitute the hardware platform of track circuit decoding function module.
Correspondingly, the distance measurement function module 102 that tests the speed comprises: test the speed range finding interface unit 1021 and the range finding processing unit 1022 that tests the speed;
Test the speed range finding interface unit 1021, for acquisition pulse signal, specifically comprise secondary signal and nurse one's health sub-1021a, secondary signal conditioning unit forms, be connected with velocity sensor, for the filtering of the pulse signal that exports velocity sensor, amplitude limit and isolation processing, and the signal after conditioning be supplied to CPU and carry out range finding process of testing the speed, particularly, the circuit that the secondary signal conditioning unit in the present embodiment can be made up of capacitance-resistance filter network, voltage-stabiliser tube, comparator and photoelectric coupling chip forms;
Test the speed range finding processing unit 1022, for the count value according to CPU, wheel footpath, often turns umber of pulse and count cycle calculating train running speed, and then calculate distance travelled.The range finder module that tests the speed processes idle running and the skidding of train by the scope of the peak acceleration and minimum deceleration degree that judge train, in the present embodiment, the range finding processing unit that tests the speed realizes especially by CPU, and therefore CPU constitutes the hardware platform of the distance measurement function module that tests the speed with the interface unit of finding range of testing the speed.
Correspondingly, external equipment interactive interface module 104 specifically comprises:
Parallel bus interface unit 1041, be connected with TIU plug-in unit, for carrying out isolation buffer process to parallel data, address and control bus, there is provided two CPU information to export, input the passage of acquisition of information and output feedack acquisition of information, particularly, the circuit that the parallel bus interface unit in the present embodiment can be made up of logic control chip and electrical level transferring chip forms;
Ethernet interface unit 1042, be connected with standby host, Ethernet interface for expanding CPU drives, isolate and level conversion process, the passage that CPU and standby host carry out needed for information interaction is provided, particularly, the circuit that the Ethernet interface unit in the present embodiment can be made up of logic control chip, ethernet control chip and network transformer forms;
CAN(controller local area network CONTROLLER AREA NETWORK) Bus Interface Unit 1043,
Be connected with BTM, DMI, record plug-in unit, CAN interface for carrying CPU drives, isolate and level conversion process, CPU and BTM, DMI are provided, passage that record plug-in unit carries out needed for information interaction, particularly, the circuit that the CAN interface unit in the present embodiment can be made up of electrostatic protection device, CAN transmitting-receiving driving chip, electrical isolation chip forms.
Further, the integrated form train overspeeding protection main plug-in unit of equipment in the present embodiment also comprises vehicle-mounted data memory module 105, for the non-volatile memories to vehicle-mounted track data, the data of storage are supplied to train overspeeding protection's processing module to use, particularly, the vehicle-mounted data memory module in the present embodiment is made up of high-capacity FLASH chip.
Further, as shown in Figure 3, the hardware platform of the main plug-in unit of integrated form train overspeeding protection equipment in the present embodiment comprises: the operation platform of dual processors, two track-circuit signalling interfaces, two range finding interfaces that test the speed, two external equipment interactive interfaces and two vehicle-mounted data memory modules, wherein two track-circuit signalling interfaces, two range finding interfaces that test the speed, two external equipment interactive interfaces, the function and structure of two vehicle-mounted data memory modules is identical, and CPU and track-circuit signalling interface constitute the hardware platform that track circuit decoding function module realizes, CPU constitutes with the interface of finding range of testing the speed the hardware platform that the distance measurement function module that tests the speed realizes, CPU passes through decode results, measurement result and the mobile unit track data that obtains from vehicle-mounted data memory module are to complete the overspeed protection process of train, CPU completes the information interaction with external equipment by external equipment interactive interface,
On the operation platform of this dual processors, each CPU is all connected with vehicle-mounted data memory module with respective track-circuit signalling interface, find range interface, the external equipment interactive interface of testing the speed; The shared and synchronous of information is realized by synchronous serial interface between CPU, two CPU are by comparison input, intermediate processing results and output, realize 2 and get 2 functions, thus ensure the security of logical process and computing, finally realize track-circuit signalling decoding process, range finding process of testing the speed, train overspeeding protection's process and with the function such as the information interaction of external equipment.
Particularly, the CPU in the present embodiment is optional with having QEP(orthogonal pulses coding module Quadrature Encoder Pulse Module) Peripheral Interface, the digital signal processor of many serial peripherals (CAN module, asynchronous communication serial ports, synchronous communication serial ports) interface, expansion interface and FPU Float Point Unit or microprocessor.
The embodiment of the present invention is only described for above-mentioned dual processors, in actual application, each CPU in above-mentioned dual processors also can use single multi-core CPU or multiple CPU to realize track-circuit signalling decoding process, test the speed process, train overspeeding protection's process and the information interaction function with external equipment of finding range.
The integrated form train overspeeding protection main plug-in unit of equipment that the present embodiment provides both had achieved train overspeeding protection's function, achieve again track circuit decoding function and test the speed distance measurement function, also there is the function mutual with external equipment simultaneously, overcome fail-safe computer or monitoring host computer in prior art and complete train overspeeding protection's function, and the situation that track circuit decoding function is completed by discrete track circuit information receiving equipment and the range cells that tests the speed with the distance measurement function that tests the speed, thus effectively save train overspeeding protection's installation space and cost, enhance anti-electromagnetic interference capability, be conducive to train operation control system further to integrated, miniaturization and high performance-price ratio future development.
Embodiment three
The software architecture of the main plug-in unit of integrated form train overspeeding protection equipment in the present embodiment adopts layered model, comprising: hardware driving layer, fault-tolerant processing layer and application layer;
Wherein, hardware driving layer has been responsible for the driving of hardware and the data interaction with fault-tolerant processing layer;
Fault-tolerant processing layer is responsible for two CPU and is inputted data, exports the comparison of the intermediate processing data of data and application layers and the data interaction with hardware driving layer and application layer;
The data that application layer provides according to fault-tolerant processing layer, carry out test the speed range finding process, track circuit decoding process, train overspeeding protection's process and external equipment interaction process; Meanwhile, the data that process produces are provided fault-tolerant layer process by application layer.
Particularly, hardware driving layer completes the driving of the external chip of peripheral hardware that CPU carries and expansion; Meanwhile, the data of the external equipment of acquisition, peripheral hardware and another CPU provide fault-tolerant layer to use by hardware driving layer, and the data provided by fault-tolerant layer export.
Correspondingly, the data that in the present embodiment, fault-tolerant layer compares comprise input data, export the intermediate processing data of data and application layer, concrete, input data that are relatively consistent or that meet tolerances provide application layer to use by fault-tolerant layer, more consistent output data provide hardware driving layer to export by fault-tolerant layer, and the comparative result of the intermediate processing data of application layer provides application layer to use by fault-tolerant layer;
Correspondingly, application layer specifically comprises:
To test the speed range finding process, specifically according to the count value of QEP, wheel footpath, often turn umber of pulse and the count cycle calculates train running speed, and then to calculate distance travelled; Come idle running and the skidding of interpretation and process train according to the peak acceleration of train and the scope of minimum deceleration degree simultaneously;
Track circuit decoding process, specifically carries out digital filtering, signal receiving and low frequency decoding process to the track-circuit signalling gathered, and the low frequency obtained and carrier frequency information is supplied to when carrying out train overspeeding protection's process and uses;
Train overspeeding protection processes, and specifically obtains terrestrial information according to the vehicle-mounted track data in the BTM information of external equipment interaction process output or the vehicle-mounted data memory module of reading, determines the position of train; Meanwhile, the speed exported according to range finding process of testing the speed and range information, generate corresponding operational mode curve; According to after the information determination train travel license that track circuit decoding process exports, generate corresponding braking mode curve; Export braking when train speed exceedes the maximum speed limit of braking mode curve, and then ensure train operating safety;
External equipment interaction process, specifically comprises the process of input communication data, the process of output communication data and TIU process;
Wherein, the process of input communication data, according to the input communication data that fault-tolerant layer exports, the continuity based on concrete external device communication data judges this external equipment whether fault; If communication continuously, communication data is resolved, and provide train overspeeding protection's processing module to use the business datum of the concrete equipment after parsing and equipment state;
The process of output communication data, according to the communication protocol of corresponding device, encapsulates data, is supplied to fault-tolerant layer and uses;
TIU process, for realizing the acquisition of the acquisition of input information, the output of information and output feedack information, particularly, the TIU process in the present embodiment comprises: TIU input processing, reads the feedback information that input information and braking export; TIU output processing, exports braking information.
Present embodiments provide the main plug-in unit of a kind of integrated form train overspeeding protection equipment, and hardware platform and function realizing method, the integrated form train overspeeding protection main plug-in unit of equipment provided in the present embodiment can realize train overspeeding protection's processing capacity, track-circuit signalling decoding function can be realized again and the distance measurement function that tests the speed, also there is the function mutual with external equipment simultaneously, overcome fail-safe computer or monitoring host computer in prior art and complete train overspeeding protection's function, and the situation that track circuit decoding function is completed by discrete track circuit information receiving equipment and the range cells that tests the speed with the distance measurement function that tests the speed, installing space and the cost of train overspeeding protection's equipment are greatly saved, enhance anti-electromagnetic interference capability, thus be conducive to train operation control system further to integrated, miniaturization and high performance-price ratio future development.
Embodiment four
The embodiment of the present invention additionally provides the main plug-in unit of another kind of integrated form train overspeeding protection equipment, and this integrated form train overspeeding protection main plug-in unit of equipment comprises: track circuit decoding function module and the distance measurement function module that tests the speed;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, provides fail-safe computer or monitoring host computer to use simultaneously by decode results;
The described distance measurement function module that tests the speed, for realizing the measurement to train running speed and distance, provides fail-safe computer or monitoring host computer to use simultaneously by measurement result.
Concrete, track circuit decoding function module in the main plug-in unit of this integrated form train overspeeding protection equipment is identical with the description in embodiment two, embodiment three with the implementation method of distance measurement function module that tests the speed, the hardware platform of realization and software architecture, is no longer repeating a bit.
The integrated form train overspeeding protection main plug-in unit of equipment that the present embodiment provides can realize track-circuit signalling decoding function, the distance measurement function that tests the speed can be realized again, the situation that the track circuit decoding function overcoming train overspeeding protection's equipment in prior art can only be completed by discrete track circuit information receiving equipment and the range cells that tests the speed with the distance measurement function that tests the speed, installing space and the cost of train overspeeding protection's equipment are greatly saved, enhance anti-electromagnetic interference capability, thus be conducive to train operation control system further to integrated, miniaturization and high performance-price ratio future development.
Further, the embodiment of the present invention additionally provides the main plug-in unit of another integrated form train overspeeding protection equipment, and this integrated form train overspeeding protection main plug-in unit of equipment comprises: track circuit decoding function module and train overspeeding protection's processing module;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, provides train overspeeding protection's processing module to use simultaneously by decode results;
Described train overspeeding protection processing module, for the process according to the information realization train overspeeding protection received.
Concrete, track circuit decoding function module in the main plug-in unit of this integrated form train overspeeding protection equipment is identical with the description in embodiment two, embodiment three with the implementation method of train overspeeding protection's processing module, the hardware platform of realization and software architecture, is no longer repeating a bit.
The integrated form train overspeeding protection main plug-in unit of equipment that the present embodiment provides can realize track-circuit signalling decoding function, train overspeeding protection's processing capacity can be realized again, overcome the situation that the track circuit decoding function of train overspeeding protection's equipment in prior art and train overspeeding protection's processing capacity need to be completed by discrete equipment or plug-in unit, installing space and the cost of train overspeeding protection's equipment are greatly saved, enhance anti-electromagnetic interference capability, thus be conducive to train operation control system further to integrated, miniaturized and high performance-price ratio future development.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the main plug-in unit of integrated form train overspeeding protection equipment, is characterized in that, described main plug-in unit comprises: track circuit decoding function module, the distance measurement function module that tests the speed and train overspeeding protection's processing capacity module;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, sends described train overspeeding protection processing capacity module to by decode results; Described track circuit decoding function module comprises: track circuit interface unit and track circuit decoding unit; Described track circuit interface unit, for acquisition trajectory circuit signal; Described track circuit decoding unit, for carrying out decoding process to the described track-circuit signalling gathered, and is supplied to train overspeeding protection's processing module use; Described track circuit decoding unit is realized by CPU, and described CPU and described track circuit interface unit form track circuit decoding function module;
The described distance measurement function module that tests the speed, for realizing the measurement to train running speed and distance, sends described train overspeeding protection processing capacity module to by measurement result; The described distance measurement function module that tests the speed comprises: test the speed range finding interface unit and the range finding processing unit that tests the speed; The described range finding interface unit that tests the speed, for acquisition pulse signal, and is supplied to described CPU and carries out testing the speed range finding process by the signal after conditioning; The described range finding processing unit that tests the speed, for calculating train running speed and distance travelled; The described range finding processing unit that tests the speed is realized by described CPU, described CPU and described test the speed find range interface unit form described in test the speed distance measurement function module;
Described train overspeeding protection processing module, for the process according to the information realization train overspeeding protection received; Described train overspeeding protection processing module is realized by described CPU.
2. as weighed the main plug-in unit as described in 1, it is characterized in that, described track circuit decoding function module specifically comprises:
Track circuit interface unit, for acquisition trajectory circuit signal;
Track circuit decoding unit, for carrying out digital filtering, signal receiving and low frequency decoding process to track-circuit signalling, sends described train overspeeding protection processing capacity module to by the low frequency obtained and carrier frequency information.
3. as weighed the main plug-in unit as described in 2, it is characterized in that, described track circuit interface unit specifically comprises:
First signal condition subelement, for the filtering of the track-circuit signalling that induces track circuit receiving coil, amplitude limit and isolation processing, and sends to signals collecting subelement by nursing one's health the signal obtained;
Signals collecting subelement, for carrying out analog/digital conversion to the received signal, sends the data signal obtained to described track circuit decoding unit.
4., as weighed the main plug-in unit as described in 1, it is characterized in that, described in the distance measurement function module that tests the speed specifically comprise:
Test the speed range finding interface unit, for acquisition pulse signal;
Test the speed range finding processing unit, for according to count value, wheel footpath, often turning umber of pulse and count cycle calculates train running speed and travel distance.
5., as weighed the main plug-in unit as described in 4, it is characterized in that, described in test the speed range finding interface unit specifically comprise:
Secondary signal conditioning subelement, for the filtering of the pulse signal that exports velocity sensor, amplitude limit and isolation processing, sends the signal that conditioning obtains to the range finding processing unit that tests the speed.
6. as weighed the main plug-in unit as described in 1, it is characterized in that, described main plug-in unit also comprises:
Described data for realizing the non-volatile memories to vehicle-mounted track data, and are supplied to the processing module use of described train overspeeding protection by vehicle-mounted data memory module.
7. as weighed the main plug-in unit as described in 1, it is characterized in that, described main plug-in unit also comprises: external equipment interactive interface module, for the passage providing described train overspeeding protection processing module and external equipment to carry out information interaction.
8. as weighed the main plug-in unit as described in 7, it is characterized in that, described external equipment interactive interface module specifically comprises:
Parallel bus interface unit, is connected with train interface unit TIU plug-in unit, for the passage providing described train overspeeding protection processing capacity module and train interface unit TIU plug-in unit to carry out information interaction;
Ethernet interface unit, is connected with standby host, for the passage providing described train overspeeding protection processing capacity module and standby host to carry out information interaction;
CAN interface unit, with responder information receiving module BTM, human interface device DMI, record plug-in unit and be connected, for providing described train overspeeding protection processing capacity module and responder information receiving module BTM, human interface device DMI, recording the passage that plug-in unit carries out information interaction.
9. the main plug-in unit of integrated form train overspeeding protection equipment, is characterized in that, described main plug-in unit comprises: track circuit decoding function module and the distance measurement function module that tests the speed;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, provides fail-safe computer or monitoring host computer to use simultaneously by decode results; Described track circuit decoding function module comprises: track circuit interface unit and track circuit decoding unit; Described track circuit interface unit, for acquisition trajectory circuit signal; Described track circuit decoding unit, for carrying out decoding process to the described track-circuit signalling gathered; Described track circuit decoding unit is realized by CPU, and described CPU and described track circuit interface unit form track circuit decoding function module;
The described distance measurement function module that tests the speed, for realizing the measurement to train running speed and distance, provides fail-safe computer or monitoring host computer to use simultaneously by measurement result; The described distance measurement function module that tests the speed comprises: test the speed range finding interface unit and the range finding processing unit that tests the speed; The described range finding interface unit that tests the speed, for acquisition pulse signal, and is supplied to described CPU and carries out testing the speed range finding process by the signal after conditioning; The described range finding processing unit that tests the speed, for calculating train running speed and distance travelled; The described range finding processing unit that tests the speed is realized by described CPU, described CPU and described test the speed find range interface unit form described in test the speed distance measurement function module.
10. the main plug-in unit of integrated form train overspeeding protection equipment, is characterized in that, described main plug-in unit comprises: track circuit decoding function module and train overspeeding protection's processing module;
Described track circuit decoding function module, the decoding process of the track-circuit signalling of the various standards received for achieving a butt joint, provides train overspeeding protection's processing module to use simultaneously by decode results; Described track circuit decoding function module comprises: track circuit interface unit and track circuit decoding unit; Described track circuit interface unit, for acquisition trajectory circuit signal; Described track circuit decoding unit, for carrying out decoding process to the described track-circuit signalling gathered, and is supplied to train overspeeding protection's processing module use; Described track circuit decoding unit is realized by CPU, and described CPU and described track circuit interface unit form track circuit decoding function module;
Described train overspeeding protection processing module, for the process according to the information realization train overspeeding protection received; Described train overspeeding protection processing module is realized by described CPU.
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| CN107704270B (en) * | 2017-09-21 | 2020-10-20 | 卡斯柯信号有限公司 | Two-out-of-two architecture-based method and device for starting and guiding micro computer/operating system (μ C/OS-II) |
| CN110351174B (en) * | 2019-07-19 | 2021-11-12 | 北京交大思诺科技股份有限公司 | Module redundancy safety computer platform |
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| CN2426830Y (en) * | 1999-12-03 | 2001-04-18 | 哈尔滨瑞兴自动化设备有限公司 | 18 information noninsulate frequency shift automatic blocking equipment |
| CN1212248C (en) * | 2003-09-22 | 2005-07-27 | 北京交大思诺科技有限公司 | General signal data recorder for cocomotive |
| CN1817709A (en) * | 2006-03-15 | 2006-08-16 | 北京交通大学 | CTCS2-grade train controlling system based on wireless locomotive signal |
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| CN101007537A (en) * | 2007-01-26 | 2007-08-01 | 北京交通大学 | Universal automatic protection (ATP) vehicle-mounted system for train and its mode control method |
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