CN102945023B - Working method of railway signal terminal based on optical fiber communication - Google Patents
Working method of railway signal terminal based on optical fiber communication Download PDFInfo
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- CN102945023B CN102945023B CN201210396647.1A CN201210396647A CN102945023B CN 102945023 B CN102945023 B CN 102945023B CN 201210396647 A CN201210396647 A CN 201210396647A CN 102945023 B CN102945023 B CN 102945023B
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Abstract
The invention discloses a working method of a railway signal terminal based on the optical fiber communication. The railway signal terminal comprises controllers and terminal equipment which are arranged in the field, wherein each controller comprises an optical fiber interface unit and a logic control unit which are communicated with each other through a bus; each controller is connected to an optical fiber ring network through the optical fiber interface unit; the logic control unit is electrically connected with the terminal equipment through a cable; and the logic control unit controls the action of the terminal equipment according to an interlocking control command received by the optical fiber interface unit and uploads the acquired representation information of the terminal equipment to an interlocking machine through the optical fiber interface unit. The railway signal terminal adopts a distributed control network and places all the controllers in the field, each piece of terminal equipment is provided with the own controller, the equipment and the controllers are connected through short cables, and each controller and the interlocking machine form an annular network through the optical fiber network to perform communication, so that the engineering cost is greatly reduced and the controllability of the equipment is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method of work of the railway signal terminal based on optical fiber communication.
Background technology
The patent No. is the patent of invention of ZL201010234491.8, ZL201010234463.6, ZL201010234575.1 and ZL201010234447.7, and the patent No. is that the utility application of ZL201020268482.6, ZL201020268497.2, ZL201020268485.X discloses computer interlock system and comprises interlocking machine, communication gate, main track switch, signal, track execution unit, and scattered performance element, turnout execution unit is wherein responsible for controlling goat switch with follow up movement and is carried out scheduled exercise and anti-parade location; Signal execution unit is used for controlling shunting signal, teleseme out of the station shows, controls the demonstration of various types of signal lamp; Track execution unit is the track condition collecting unit of the bottom, is mainly used in the magnitude of voltage from status information and the rail level of track circuit receiving end acquisition trajectory circuit; Scattered performance element is responsible for remainder, as 64D semi-automatic circuit, according to the control of looking into circuit and liaison circuit between yards; Between interlocking machine and communication gate, be connected by bus, between described communication gate and each performance element, be also connected by bus.Each performance element has the control circuit performing an action for control terminal, the indication circuit of reactive terminal equipment state as logic control element, interlocking machine is assigned control command to each performance element by communication gate, performance element is carried out corresponding action by control circuit control terminal, and the status information that indication circuit is collected is uploaded to interlocking machine.
At present, above-mentioned interlocking system adopts relay centralized control, to in the performance element of all terminal devices (being called in the present invention controller) Unified Set, place, be connected by cable routing with outdoor equipment, the cable cost that place, the each station of average is used accounts for 60% more than of whole engineering project.
Summary of the invention
The object of the present invention is to provide the method for work of a kind of railway signal terminal in the situation that replacing relay centralized control by distributed control network.
The technical solution used in the present invention is: a kind of method of work of the railway signal terminal based on optical fiber communication, described railway signal terminal comprises and is all arranged at on-the-spot controller and terminal device, described controller comprises the optical fiber interface unit and the logic control element that connect by bus communication, described controller is connected on optical fiber ring network by optical fiber interface unit, and logic control element is electrically connected with terminal device by cable; The interlocked control order control terminal action that described logic control element receives according to optical fiber interface unit, and by optical fiber interface unit, the expression information of the terminal device collecting is uploaded to interlocking machine; The step that described optical fiber interface unit receives from optical fiber ring network the interlocked control order that interlocking machine issues is:
Step 101: optical fiber interface unit is waited for and received interlocked control order, performs step afterwards 102;
Step 102: whether optical fiber interface unit judges receives interlocked control order, performs step 103 as received, and performs step 101 as do not received;
Step 103: whether take over party address and take over party's type of the interlocked control order that optical fiber interface unit judges receives be correct, as all correctly performed step 104, as incorrectly in any one performs step 105;
Step 104: resolve the interlocked control order receiving optical fiber interface unit, and the interlocked control order after resolving is sent to logic control element by data bus;
Step 105: optical fiber interface unit empties its order reception area, performs step afterwards 101;
The step that logic control element is uploaded to interlocking machine by optical fiber interface unit by the expression information of the terminal device collecting is:
Step 201: the current state of logic control element acquisition terminal equipment, performs step 202 afterwards;
Step 202: logic control element judges that whether the expression information of current state of the reactive terminal equipment collecting is effective, as effectively performed step 203, as invalid execution step 207;
Step 203: logic control element sends expression information to optical fiber interface unit by data bus;
Step 204: whether optical fiber interface unit judges has received the request msg order that interlocking machine issues, as received, performs step 205, performs step 201 as do not received;
Step 205: whether take over party address and take over party's type of the request msg order that optical fiber interface unit judges receives be correct, as all correctly performed step 206, the step of carrying out as incorrect in any one: 208;
Step 206: optical fiber interface unit is crossed optical fiber ring network by the expression information exchange receiving and is uploaded to interlocking machine;
Step 207: logic control element empties its device status data territory, performs step afterwards 201;
Step 208: optical fiber interface unit empties its order reception area.
Wherein, described optical fiber interface unit comprises the indoor equipment interface being connected with optical fiber ring network and the optical fiber controller of controlling optical fiber transceiving.
Beneficial effect of the present invention is: railway signal terminal of the present invention adopts distributed control network, all controllers are placed into scene, there is the controller of oneself on each terminal device side, equipment and control device is to connect by stub cable, each controller and interlocking machine communicate by fiber optic network makeup ring l network, can greatly reduce like this engineering cost, improve the controllability of equipment.
Brief description of the drawings
Fig. 1 is according to the syndeton of railway signal terminal of the present invention and optical fiber ring network;
Fig. 2 shows according to the one of the controller of railway signal terminal of the present invention and implements structure;
To be optical fiber interface unit receive the process flow diagram of the interlocked control order that interlocking machine issues from optical fiber ring network to Fig. 3;
Fig. 4 is the step that logic control element is uploaded to the expression information of the terminal device collecting by optical fiber interface unit interlocking machine.
Embodiment
As shown in Figure 1, each railway signal terminal (comprising controller and terminal device) of interlocking system is all positioned at scene, and the controller of railway signal terminal and interlocking machine are all connected with optical fiber ring network 1 communication.
As shown in Figure 2, the controller 2 of above-mentioned railway signal terminal comprises the optical fiber interface unit and the logic control element 26 that connect by bus communication, this optical fiber interface unit comprises indoor equipment interface 21 and optical fiber controller 22, controller 2 is connected on optical fiber ring network 1 by indoor equipment interface 21, and optical fiber controller 22 is controlled the transmitting-receiving of optical fiber; The outdoor equipment interface 27 of logic control element 26 via controllers 2 is electrically connected by cable with for example, with corresponding separately terminal device (being end of turnout, Signal Terminal, track terminal etc.); The bus that is connected in 26 of optical fiber controller 22 andlogic control unit comprises bus controller 23 and the data bus 24 and the address bus 25 that are controlled by bus controller 23, and data bus 24 and address bus 25 complete respectively the transmission of data and the selection of address.
Because the application's improvement does not relate to each performance element that above logic control element 26(background technology part is pointed out), therefore, no longer its particular circuit configurations is described the each patent documentation that specifically can point out referring to background technology part.
The interlocked control order control terminal action that this logic control element 26 receives according to optical fiber interface unit, and by optical fiber interface unit, the expression information of the terminal device collecting is uploaded to interlocking machine; Wherein, as shown in Figure 3, the step that described optical fiber interface unit receives from optical fiber ring network the interlocked control order that interlocking machine issues is:
Step 101: optical fiber interface unit is waited for and received interlocked control order, performs step afterwards 102;
Step 102: whether optical fiber interface unit judges receives interlocked control order, performs step 103 as received, and performs step 101 as do not received;
Step 103: the take over party address of the interlocked control order that optical fiber interface unit judges receives and take over party's type (have take over party address and take over party's type in the frame originating point information of the Frame of the interlocked control instruction assigned of interlocking machine, this take over party's type represents it is which kind of terminal device, at this, various terminal devices all have unique marking code) whether correct, as all correctly performed step 104, as incorrectly in any one perform step 105; In the present embodiment, this step is first to judge that whether take over party address is correct, as take over party's address right judges that whether take over party's type is correct again, as incorrectly in take over party address directly performs step 105;
Step 104: resolve the interlocked control order receiving optical fiber interface unit, and the interlocked control order after resolving is sent to logic control element by data bus;
Step 105: optical fiber interface unit empties its order reception area, performs step afterwards 101;
As shown in Figure 4, the step that logic control element is uploaded to interlocking machine by optical fiber interface unit by the expression information of the terminal device collecting is:
Step 201: the current state of logic control element acquisition terminal equipment, performs step 202 afterwards;
Step 202: logic control element judges that whether the expression information of current state of the reactive terminal equipment collecting is effective, as effectively performed step 203, as invalid execution step 207;
Step 203: logic control element sends expression information to optical fiber interface unit by data bus;
Step 204: whether optical fiber interface unit judges has received the request msg order that interlocking machine issues, as received, performs step 205, performs step 201 as do not received;
Step 205: whether take over party address and take over party's type of the request msg order that optical fiber interface unit judges receives be correct, as all correctly performed step 206, the step of carrying out as incorrect in any one: 208; In the present embodiment, this step is first to judge that whether take over party address is correct, as take over party's address right judges that whether take over party's type is correct again, as incorrectly in take over party address directly performs step 208;
Step 206: optical fiber interface unit is crossed optical fiber ring network by the expression information exchange receiving and is uploaded to interlocking machine;
Step 207: logic control element empties its device status data territory, performs step afterwards 201;
Step 208: optical fiber interface unit empties its order reception area.
Wherein, described optical fiber interface unit comprises the indoor equipment interface being connected with optical fiber ring network and the optical fiber controller of controlling optical fiber transceiving.
The foregoing is only preferably embodiment of the present invention, be not used for limiting practical range of the present invention, the equivalence of in every case doing in protection scope of the present invention changes and modifies, and all should think and fall in protection scope of the present invention.
Claims (2)
1. the method for work of the railway signal terminal based on optical fiber communication, it is characterized in that: described railway signal terminal comprises and is all arranged at on-the-spot controller and terminal device, described controller comprises the optical fiber interface unit and the logic control element that connect by bus communication, described controller is connected on optical fiber ring network by optical fiber interface unit, and logic control element is electrically connected with terminal device by cable; The interlocked control order control terminal action that described logic control element receives according to optical fiber interface unit, and by optical fiber interface unit, the expression information of the terminal device collecting is uploaded to interlocking machine; The step that described optical fiber interface unit receives from optical fiber ring network the interlocked control order that interlocking machine issues is:
Step 101: optical fiber interface unit is waited for and received interlocked control order, performs step afterwards 102;
Step 102: whether optical fiber interface unit judges receives interlocked control order, performs step 103 as received, and performs step 101 as do not received;
Step 103: whether take over party address and take over party's type of the interlocked control order that optical fiber interface unit judges receives be correct, as all correctly performed step 104, as incorrectly in any one performs step 105;
Step 104: resolve the interlocked control order receiving optical fiber interface unit, and the interlocked control order after resolving is sent to logic control element by data bus;
Step 105: optical fiber interface unit empties its order reception area, performs step afterwards 101;
The step that logic control element is uploaded to interlocking machine by optical fiber interface unit by the expression information of the terminal device collecting is:
Step 201: the current state of logic control element acquisition terminal equipment, performs step 202 afterwards;
Step 202: logic control element judges that whether the expression information of current state of the reactive terminal equipment collecting is effective, as effectively performed step 203, as invalid execution step 207;
Step 203: logic control element sends expression information to optical fiber interface unit by data bus;
Step 204: whether optical fiber interface unit judges has received the request msg order that interlocking machine issues, as received, performs step 205, performs step 201 as do not received;
Step 205: whether take over party address and take over party's type of the request msg order that optical fiber interface unit judges receives be correct, as all correctly performed step 206, as incorrectly in any one performs step 208;
Step 206: optical fiber interface unit is crossed optical fiber ring network by the expression information exchange receiving and is uploaded to interlocking machine;
Step 207: logic control element empties its device status data territory, performs step afterwards 201;
Step 208: optical fiber interface unit empties its order reception area.
2. method of work according to claim 1, is characterized in that: described optical fiber interface unit comprises the indoor equipment interface being connected with optical fiber ring network and the optical fiber controller of controlling optical fiber transceiving.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210396647.1A CN102945023B (en) | 2012-10-18 | 2012-10-18 | Working method of railway signal terminal based on optical fiber communication |
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| CN201210396647.1A CN102945023B (en) | 2012-10-18 | 2012-10-18 | Working method of railway signal terminal based on optical fiber communication |
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| CN102945023B true CN102945023B (en) | 2014-11-26 |
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| CN106444725B (en) * | 2016-11-25 | 2024-04-09 | 中国铁道科学研究院通信信号研究所 | Anti-collision speed regulation control system for railway hump field vehicle sliding place |
| CN107672624A (en) * | 2017-09-29 | 2018-02-09 | 北京佳讯飞鸿电气股份有限公司 | Railway section fiber optic network signal control device and system |
| CN112874574B (en) * | 2021-01-27 | 2023-03-21 | 浙江众合科技股份有限公司 | Distributed intelligent switch machine control system |
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| CN101905701A (en) * | 2010-07-23 | 2010-12-08 | 上海亨钧科技有限公司 | Turnout execution unit of computer interlocking system and working method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH089328B2 (en) * | 1990-01-25 | 1996-01-31 | 株式会社京三製作所 | Field equipment input / output device of electronic interlocking device |
| US6689956B2 (en) * | 2002-04-05 | 2004-02-10 | Southwestern Battery Supply Company, Inc. | Electrical bus duct system with heat-dissipating enclosure |
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| CN101159446A (en) * | 2007-11-15 | 2008-04-09 | 南京泰通科技有限公司 | Semi-automatic obturation information transmission change-over device dedicated for railway |
| CN101605151A (en) * | 2009-07-10 | 2009-12-16 | 北京全路通信信号研究设计院 | A kind of system that is used for track traffic regional interlock and interior communication |
| CN201511981U (en) * | 2009-09-21 | 2010-06-23 | 上海亨钧科技有限公司 | Interlocked track module circuit of all electronic computer |
| CN101890968A (en) * | 2010-07-23 | 2010-11-24 | 上海亨钧科技有限公司 | Computer interlocking system and operation method thereof |
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Owner name: SHANGHAI HENGJUN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANGHAI HENGJUN SCIENCE + TECHNOLOGY CO., LTD. |
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Address after: 200949 Baoshan District, Shanghai, Shanghai Road, No. 8885 long hair Road, No. 58, No. Patentee after: SHANGHAI HENGJUN SCIENCE & TECHNOLOGY CO., LTD. Address before: 200949 Baoshan District, Shanghai, Shanghai Road, No. 8885 long hair Road, No. 58, No. Patentee before: Shanghai Hengjun Science & Technology Co., Ltd. |