CN101445119A - Railway signal lamp control device and method thereof - Google Patents
Railway signal lamp control device and method thereof Download PDFInfo
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- CN101445119A CN101445119A CNA2008101889370A CN200810188937A CN101445119A CN 101445119 A CN101445119 A CN 101445119A CN A2008101889370 A CNA2008101889370 A CN A2008101889370A CN 200810188937 A CN200810188937 A CN 200810188937A CN 101445119 A CN101445119 A CN 101445119A
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Abstract
The invention mainly relates to a railway station signal lamp control device, in particular to an intellectualized, modular and maintenance-free control device without relay contact. The railway signal lamp control device is mainly characterized in that a communication circuit A(1) is connected with a CPU A(4) for railway signal lamp control and state acquisition, an output terminal of the CPU A(4) is respectively connected with an on-off control unit (6) and a fail-safe unit (7); and the output terminals of the on-off control unit (6) and the fail-safe unit (7) are connected with a master control loop unit (11) and a controlled signal lamp (14). The railway signal lamp control device adopts the contactless control technology and a modular structure and replace a railway signal lamp control circuit which is composed of safe relays with an electronic circuit, those skilled in the art can not change the existing logical relation by conventional methods, thus completely eliminating accident threat caused by sealed contacts and greatly improving safety. The device adopts a modular design, has a self-checking function, is established by a network platform, and has the advantages of convenient system assembly, rapid trouble clearing and strong maintainability and expandability.
Description
Technical field:
The present invention relates generally to the railway signaling in station lamp control device, relates in particular to the control setup of intellectuality, modularization, non-maintaining non-relay contact.
Background technology:
The signal control setup of existing interlocking in railway station system adopts traditional gravity type boat davit relay assembly control circuit, and the break-make by the control relay contact realizes the control to the outdoor facility signal lamp.Because be that break-make by the relay contact realizes controlling, this just needs scheduled maintenance and daily attention, guaranteeing the reliable contact of relay contact, and relay exist the life-span short, volume is big, conversion rate waits shortcoming slowly; The relay assembly control circuit has a plurality of relays in addition, numerous and diverse, the construction inconvenience of wiring between the combination repeat circuit, the defective of easy-to-search fault not.Development along with technology, the control circuit of gravity type boat davit relay has appearred again substituting with the little nonsafety relay of volume at present, and realized modularization, this mode has solved shortcomings such as traditional control circuit volume is big, wiring is complicated, construction inconvenience, but owing to still adopted relay, the life-span is short, conversion rate is slow, need the vice proper of daily attention not solve.Obviously these defectives have restricted the raising of the operation security of railway and transport capacity and have increased the weight of the work of maintenance personnel amount.
Summary of the invention:
The objective of the invention is to avoid the deficiencies in the prior art part and a kind of computer interlock system signal lamp control setup is provided.Adopt the microelectronics power device to replace the control circuit of gravity type boat davit relay and nonsafety relay, make the signal lamp control circuit realize intellectuality, modularization, non-maintaining.
Purpose of the present invention can be by realizing by the following technical solutions: a kind of control setup of railway signal lamp, its principal feature is: comprise that communication circuit A (1) links to each other with CPU processing unit A (4) for the control of railway signal lamp and state acquisition, the mouth of CPU processing unit A (4) is connected with switch control unit (6), fail safe unit (7) respectively; The mouth of switch control unit (6), fail safe unit (7) connects main control loop unit (11) and links to each other with manipulated signal lamp (14).
The control setup of described railway signal lamp, also including communication circuit B (2) links to each other with CPU processing unit B (5) for the control of railway signal lamp and state acquisition, be provided with interlocking machine (13) between communication circuit A (1) and the communication circuit B (2), the mouth of CPU processing unit B (5) is connected with switch control unit (6), fail safe unit (7) respectively; Over-current detection unit (9), lock unit (10) are connected in respectively between CPU processing unit A (4), the CPU processing unit B (5); Described lock unit (10) is that the check of the control information between CPU processing unit A (4) and the CPU processing unit B (5) is with synchronously.Described lock unit (10) is responsible for the check of the control information between CPU processing unit A (4) and the CPU processing unit B (5) with synchronously, before switch control unit (6) output control information, all to carry out synchronously at every turn, only just effective in success back output synchronously.
The control setup of described railway signal lamp also includes communication circuit C (3) and links to each other with the CPU processing unit C (12) that main control loop is detected, and connects monitoring machine (15), and testing result is passed to monitoring machine by communication unit C (3); State detection unit (8) links to each other with CPU processing unit A (4), CPU processing unit B (5), CPU processing unit C (12).
The control setup of described railway signal lamp, described lock unit (10) are to be connected resistance (10-1) between the communication of CPU processing unit A (4) sends mouthful communications reception mouth with CPU processing unit B (5); Between sending mouthful, the communications reception mouth of CPU processing unit A (4) and the communication of CPU processing unit B (5) is connected resistance (10-2).
The control setup of described railway signal lamp, described communication circuit A (1) adopts two-way independence fieldbus with communication circuit B (2) with communicating by letter of interlocking machine (13); Described communication circuit C (3) adopts independently communication bus with communicating by letter of monitoring machine (15).
The control setup of described railway signal lamp, the circuit of described communication circuit A (1), communication circuit B (2), communication circuit C (3) is identical, for the data line of CPU processing unit links to each other with CAN transceiver (1-1) with A wire, the transmission mouth of described CAN transceiver (1-1) links to each other with CAN actuator (1-3) through photoisolator (1-2); The receiving port of CAN transceiver links to each other with CAN actuator (1-3) through photoisolator (1-4).
The control setup of described railway signal lamp, described over-current detection unit (9) comprises by the electric current in current sensor (9-1) the sampled signal lamp control loop, sampling voltage is carried out sending to after the rectification comparator (9-3) through rectifier bridge (9-2) and is compared with the value of setting, as then give CPU treater output high level greater than the value of setting.Described over-current detection unit (9) is when the current overload of outdoor signal lamp, and over-current detection unit gives three CPU processing units output a high level signal, can disconnect the control output on this road after the CPU processing unit processes.
The control setup of described railway signal lamp, the control signal that also includes described CPU processing unit A (4) is connected with main control loop unit (11) through photoelectric isolating circuit (6-2) back through the control signal of photoelectric isolating circuit (6-1), CPU processing unit B (5), and is effective when unanimity is exported in the control of two CPU processing units.
The control setup of described railway signal lamp, described main control loop unit (11) include and allow signal lamp (14-1) and inhibit signal lamp (14-2) control circuit totally one control loop line, and string has K switch 1 (11-1) in loop line; Go that string has K switch 2 (11-2) in the line allowing signal lamp (11-5) control; Go in inhibit signal lamp (14-2) control that string has K switch 3 (11-3) and K switch 4 (11-4) in the line, wherein K switch 4 (11-4) is in normally off, unconditionally disconnects when module failure, cuts off the control loop of permission signal lamp (14-1).
The control setup of described railway signal lamp, described fail safe unit (7) is made up of dynamic circuit A (7-1) and dynamic circuit B (7-2), and dynamic circuit A (7-1) is connected between the K switch 4 (11-4) of CPU processing unit A (4) and main control loop unit (11); Dynamic circuit B (7-2) is connected between the K switch 4 (11-4) of CPU processing unit B (5) and main control loop unit (11).The control of described main control loop unit (11) K switch 4 (11-4) is finished by fail safe unit (7).Dynamic circuit A (7-1) receives stable voltage of output after the pulse of CPU processing unit A (4) output, dynamic circuit B (7-2) receives stable voltage of output after the pulse of CPU processing unit B (5) output, controls the K4 closure by the burning voltage of two dynamic circuits outputs.
The control method of the control setup of described a kind of railway signal lamp the steps include:
(1) dead work: the initial work of carrying out step 102 system after step 101 system powers on and starts working; Step 103 is carried out the self check of system, comprise that scrutiny program district and data field be whether normal, whether Primary Component and switch normal, if self check is correct, step 104 judges whether self-detection result is normal, if the self check mistake then enters step 106 and makes the output of device guiding secure side, promptly start fail safe unit (7), cut off the control loop that allows signal lamp, and the state of signal lamp is set to the state of turning off the light;
(2) if self check is correct, then enter step 105, the voltage signal of acquisition state detecting unit (8) output, as detect voltage signal greater than the value of setting judges that then the manipulated signal lamp is in illuminating state, extinguishes state otherwise judge that the outdoor signal lamp is in; Enter step 107 after finishing state-detection;
(3) whether excessive electric current or overload detect during step 107 pair electric light, the level signal of over-current detection unit (9) output detected, as detected high level, judges that then the electric current in the loop that lights a lamp is excessive, enters step 108 after putting this lamp overcurrent sign;
(4) step 108 pair is carried out analyzing and processing by the data that communication circuit receives, and forms to change step 109 over to after the instruction of lighting a lamp and carry out synchronous processing;
(5) step 109 and 110 pairs of orders that receive are checked synchronously, two CPU processing units exchange the order that receives mutually by lock unit (10), and compare, then successfully change step 111 synchronously over to as unanimity, as inconsistent then unsuccessful synchronously, keep original control command and change step 103 over to;
(6) step 111 judges whether the current order of lighting a lamp is to light order then to change step 112 over to, and the order of turning off the light in this way then changes step 114 over to;
(7) step 112 judges that the current demand signal lamp house is in over-current state outward, in this way over-current state then this street lamp can not light, change step 114 over to; Otherwise change step 113 over to and export the order of lighting a lamp;
(8) the step 113 output operation of lighting signal lamp, the operation of step 114 output black out signal lamp is all changeed then step 103 and is carried out the cycle control of next round.
The invention has the beneficial effects as follows: the present invention adopts contact pointless control technology, modular structure, replace the railway signal lamp control circuit that constitutes by safety type relay with electronic circuit, those skilled in the art adopt conventional means can't change its existing logical relation, eliminated the accident potential that constitutes owing to the envelope point of connection fully, safety is greatly enhanced.Device adopts the modular design thinking, has self-checking function, utilizes the network platform to make up, and the composition system is convenient, and trouble-shooting is quick, and maintainability and extensibility are strong.
Description of drawings:
Fig. 1 is a structured flowchart scheme drawing of the present invention;
Fig. 2 is a synchronous circuit scheme drawing of the present invention;
Fig. 3 is a communication circuit scheme drawing of the present invention;
Fig. 4 is an over-current detection circuit scheme drawing of the present invention;
Fig. 5 is a switch control unit circuit diagram of the present invention;
Fig. 6 is a main control loop element circuit scheme drawing of the present invention;
Fig. 7 is a fail safe element circuit scheme drawing of the present invention;
Fig. 8 is a control flow chart of the present invention.
The specific embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
Embodiment 6, see Fig. 4, a kind of over-current detection unit 9 of communication circuit of control setup of railway signal lamp comprises by the electric current in the current sensor 9-1 sampled signal lamp control loop, sampling voltage compares through the value that rectifier bridge 9-2 carries out sending to after the rectification comparator 9-3 and setting, as exporting high level then for the CPU treater greater than the value of setting.Described over-current detection unit 9 is when the current overload of outdoor signal lamp, and over-current detection unit gives three CPU processing units output a high level signal, can disconnect the control output on this road after the CPU processing unit processes.
(1) dead work: the initial work of carrying out step 102 system after step 101 system powers on and starts working; Step 103 is carried out the self check of system, comprise that scrutiny program district and data field be whether normal, whether Primary Component and switch normal, if self check is correct, step 104 judges whether self-detection result is normal, if the self check mistake then enters step 106 and makes the output of device guiding secure side, promptly start fail safe unit 7, cut off the control loop that allows signal lamp, and the state of signal lamp is set to the state of turning off the light;
(2) if self check is correct, then enter step 105, the voltage signal of acquisition state detecting unit 8 output, as detect voltage signal greater than the value of setting judges that then the manipulated signal lamp is in illuminating state, extinguishes state otherwise judge that the outdoor signal lamp is in; Enter step 107 after finishing state-detection;
(3) whether excessive electric current or overload detect during step 107 pair electric light, the level signal of over-current detection unit 9 outputs detected, as detected high level, judges that then the electric current in the loop that lights a lamp is excessive, enters step 108 after putting this lamp overcurrent sign;
(4) step 108 pair is carried out analyzing and processing by the data that communication circuit receives, and forms to change step 109 over to after the instruction of lighting a lamp and carry out synchronous processing;
(5) step 109 and 110 pairs of orders that receive are checked synchronously, two CPU processing units exchange the order that receives mutually by lock unit 10, and compare, then successfully change step 111 synchronously over to as unanimity, as inconsistent then unsuccessful synchronously, keep original control command and change step 103 over to;
(6) step 111 judges whether the current order of lighting a lamp is to light order then to change step 112 over to, and the order of turning off the light in this way then changes step 114 over to;
(7) step 112 judges that the current demand signal lamp house is in over-current state outward, in this way over-current state then this street lamp can not light, change step 114 over to; Otherwise change step 113 over to and export the order of lighting a lamp;
(8) the step 113 output operation of lighting signal lamp, the operation of step 114 output black out signal lamp is all changeed then step 103 and is carried out the cycle control of next round.
Claims (11)
1. the control setup of a railway signal lamp, it is characterized in that: comprise that communication circuit A (1) links to each other with CPU processing unit A (4) for the control of railway signal lamp and state acquisition, the mouth of CPU processing unit A (4) is connected with switch control unit (6), fail safe unit (7) respectively; The mouth of switch control unit (6), fail safe unit (7) connects main control loop unit (11) and links to each other with manipulated signal lamp (14).
2. the control setup of railway signal lamp as claimed in claim 1, it is characterized in that: also include communication circuit B (2) and link to each other with CPU processing unit B (5) for the control of railway signal lamp and state acquisition, be provided with interlocking machine (13) between communication circuit A (1) and the communication circuit B (2), the mouth of CPU processing unit B (5) is connected with switch control unit (6), fail safe unit (7) respectively; Over-current detection unit (9), lock unit (10) are connected in respectively between CPU processing unit A (4), the CPU processing unit B (5); Described lock unit (10) is that the check of the control information between CPU processing unit A (4) and the CPU processing unit B (5) is with synchronously.
3. the control setup of railway signal lamp as claimed in claim 1, it is characterized in that: also include communication circuit C (3) and link to each other with the CPU processing unit C (12) that main control loop is detected, and connect monitoring machine (15), testing result is passed to monitoring machine by communication unit C (3); State detection unit (8) links to each other with CPU processing unit A (4), CPU processing unit B (5), CPU processing unit C (12).
4. the control setup of railway signal lamp as claimed in claim 2 is characterized in that: described lock unit (10) is connected resistance (10-1) between the communication of CPU processing unit A (4) sends mouthful communications reception mouth with CPU processing unit B (5); Between sending mouthful, the communications reception mouth of CPU processing unit A (4) and the communication of CPU processing unit B (5) is connected resistance (10-2).
5. as the control setup of claim 1 or 2 or 3 described railway signal lamps, it is characterized in that: described communication circuit A (1) adopts two-way independence fieldbus with communication circuit B (2) with communicating by letter of interlocking machine (13); Described communication circuit C (3) adopts independently communication bus with communicating by letter of monitoring machine (15).
6. the control setup of railway signal lamp as claimed in claim 5, it is characterized in that: the circuit of described communication circuit A (1) or communication circuit B (2) or communication circuit C (3) is that the data line of CPU processing unit links to each other with CAN transceiver (1-1) with A wire, and the transmission mouth of described CAN transceiver (1-1) links to each other with CAN actuator (1-3) through photoisolator (1-2); The receiving port of CAN transceiver links to each other with CAN actuator (1-3) through photoisolator (1-4).
7. the control setup of railway signal lamp as claimed in claim 2, it is characterized in that: described over-current detection unit (9) comprises by the electric current in current sensor (9-1) the sampled signal lamp control loop, sampling voltage is carried out sending to after the rectification comparator (9-3) through rectifier bridge (9-2) and is compared with the value of setting, as then give CPU processor A and CPU processor B output high level greater than the value of setting.
8. the control setup of railway signal lamp as claimed in claim 1, it is characterized in that: the control signal that also includes described CPU processing unit A (4) is connected with main control loop unit (11) through photoelectric isolating circuit (6-2) back through the control signal of photoelectric isolating circuit (6-1), CPU processing unit B (5), and is effective when unanimity is exported in the control of two CPU processing units.
9. the control setup of railway signal lamp as claimed in claim 1, it is characterized in that described main control loop unit (11) includes allows signal lamp (14-1) and inhibit signal lamp (14-2) control circuit totally one control loop line, and going here and there in loop line has K switch 1 (11-1); Go that string has K switch 2 (11-2) in the line allowing signal lamp (11-5) control; Go in inhibit signal lamp (14-2) control that string has K switch 3 (11-3) and K switch 4 (11-4) in the line, wherein K switch 4 (11-4) is in normally off, unconditionally disconnects when module failure, cuts off the control loop of permission signal lamp (14-1).
10. the control setup of railway signal lamp as claimed in claim 9, it is characterized in that described fail safe unit (7) is made up of dynamic circuit A (7-1) and dynamic circuit B (7-2), dynamic circuit A (7-1) is connected between the K switch 4 (11-4) of CPU processing unit A (4) and main control loop unit (11); Dynamic circuit B (7-2) is connected between the K switch 4 (11-4) of CPU processing unit B (5) and main control loop unit (11).
11. the control method of the control setup of a kind of railway signal lamp as claimed in claim 1 the steps include:
(1) dead work: the initial work of carrying out step 102 system after step 101 system powers on and starts working; Step 103 is carried out the self check of system, comprise that scrutiny program district and data field be whether normal, whether Primary Component and switch normal, if self check is correct, step 104 judges whether self-detection result is normal, if the self check mistake then enters step 106 and makes the output of device guiding secure side, promptly start fail safe unit (7), cut off the control loop that allows signal lamp, and the state of signal lamp is set to the state of turning off the light;
(2) if self check is correct, then enter step 105, the voltage signal of acquisition state detecting unit (8) output, as detect voltage signal greater than the value of setting judges that then the manipulated signal lamp is in illuminating state, extinguishes state otherwise judge that the outdoor signal lamp is in; Enter step 107 after finishing state-detection;
(3) whether excessive electric current or overload detect during step 107 pair electric light, the level signal of over-current detection unit (9) output detected, as detected high level, judges that then the electric current in the loop that lights a lamp is excessive, enters step 108 after putting this lamp overcurrent sign;
(4) step 108 pair is carried out analyzing and processing by the data that communication circuit receives, and forms to change step 109 over to after the instruction of lighting a lamp and carry out synchronous processing;
(5) step 109 and 110 pairs of orders that receive are checked synchronously, two CPU processing units exchange the order that receives mutually by lock unit (10), and compare, then successfully change step 111 synchronously over to as unanimity, as inconsistent then unsuccessful synchronously, keep original control command and change step 103 over to;
(6) step 111 judges whether the current order of lighting a lamp is to light order then to change step 112 over to, and the order of turning off the light in this way then changes step 114 over to;
(7) step 112 judges that the current demand signal lamp house is in over-current state outward, in this way over-current state then this street lamp can not light, change step 114 over to; Otherwise change step 113 over to and export the order of lighting a lamp;
(8) the step 113 output operation of lighting signal lamp, the operation of step 114 output black out signal lamp is all changeed then step 103 and is carried out the cycle control of next round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101889370A CN101445119A (en) | 2008-12-24 | 2008-12-24 | Railway signal lamp control device and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101889370A CN101445119A (en) | 2008-12-24 | 2008-12-24 | Railway signal lamp control device and method thereof |
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| CN101445119A true CN101445119A (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101889370A Pending CN101445119A (en) | 2008-12-24 | 2008-12-24 | Railway signal lamp control device and method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN101905700A (en) * | 2010-07-23 | 2010-12-08 | 上海亨钧科技有限公司 | Computer interlocking system and working method thereof |
| CN101913369A (en) * | 2010-07-23 | 2010-12-15 | 上海亨钧科技有限公司 | Signal execution unit of computer interlock system and working method thereof |
| CN103391298A (en) * | 2012-05-08 | 2013-11-13 | 上海富欣智能交通控制有限公司 | Rail transit real-time data synchronization system based on network communication |
| CN107272399A (en) * | 2017-05-24 | 2017-10-20 | 北京城建智控科技有限公司 | Computer interlocks core control equipment |
| CN107831751A (en) * | 2017-12-05 | 2018-03-23 | 北京和利时系统工程有限公司 | A kind of all-electronin signal control module |
| CN110647102A (en) * | 2019-10-21 | 2020-01-03 | 河南思维轨道交通技术研究院有限公司 | Intelligent safe output module |
| RU2735457C1 (en) * | 2020-04-30 | 2020-11-02 | Общество с ограниченной ответственностью "ЭкспертСтройПроект" | Railway automation traffic signals control module and railway automation traffic signals control method |
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2008
- 2008-12-24 CN CNA2008101889370A patent/CN101445119A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101905701B (en) * | 2010-07-23 | 2012-01-18 | 上海亨钧科技有限公司 | Turnout execution unit of computer interlocking system and working method thereof |
| 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 |
| CN101905700A (en) * | 2010-07-23 | 2010-12-08 | 上海亨钧科技有限公司 | Computer interlocking system and working method thereof |
| CN101913369A (en) * | 2010-07-23 | 2010-12-15 | 上海亨钧科技有限公司 | Signal execution unit of computer interlock system and working method thereof |
| CN101890968B (en) * | 2010-07-23 | 2012-01-18 | 上海亨钧科技有限公司 | Computer interlocking system and operation method thereof |
| CN101913369B (en) * | 2010-07-23 | 2012-01-18 | 上海亨钧科技有限公司 | Signal execution unit of computer interlock system and working method thereof |
| 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 |
| CN101905700B (en) * | 2010-07-23 | 2012-01-18 | 上海亨钧科技有限公司 | Computer interlocking system and working method thereof |
| CN103391298A (en) * | 2012-05-08 | 2013-11-13 | 上海富欣智能交通控制有限公司 | Rail transit real-time data synchronization system based on network communication |
| CN107272399A (en) * | 2017-05-24 | 2017-10-20 | 北京城建智控科技有限公司 | Computer interlocks core control equipment |
| CN107831751A (en) * | 2017-12-05 | 2018-03-23 | 北京和利时系统工程有限公司 | A kind of all-electronin signal control module |
| CN107831751B (en) * | 2017-12-05 | 2024-03-26 | 北京和利时系统工程有限公司 | All-electronic signal control module |
| CN110647102A (en) * | 2019-10-21 | 2020-01-03 | 河南思维轨道交通技术研究院有限公司 | Intelligent safe output module |
| RU2735457C1 (en) * | 2020-04-30 | 2020-11-02 | Общество с ограниченной ответственностью "ЭкспертСтройПроект" | Railway automation traffic signals control module and railway automation traffic signals control method |
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Open date: 20090603 |