CN102030020A - Railway light-emitting diode (LED) signal lamp failure alarming system and method - Google Patents
Railway light-emitting diode (LED) signal lamp failure alarming system and method Download PDFInfo
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- CN102030020A CN102030020A CN2011100007929A CN201110000792A CN102030020A CN 102030020 A CN102030020 A CN 102030020A CN 2011100007929 A CN2011100007929 A CN 2011100007929A CN 201110000792 A CN201110000792 A CN 201110000792A CN 102030020 A CN102030020 A CN 102030020A
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Abstract
The invention provides a railway light-emitting diode (LED) signal lamp failure alarming system and a railway LED signal lamp failure alarming method. The system comprises a direct current power supply, an alarming circuit, an 850 time relay, an alarm receiving unit and a lighted lamp unit alarm sending circuit, wherein the sending circuit comprises a microprocessing controller, a photocoupling tube T1 and a photocoupling tube T2; and the microprocessing controller sends an address code through the photocoupling tube T1 and detects the state of the alarming circuit through the photocoupling tube T2. The method comprises the following steps of: when the address code sent by the microprocessing controller is a high level, if the state of the alarming circuit is the high level, continuously sending the address code, otherwise, exiting from sending; when the sent address code is a low level, if the state of the alarming circuit is the low level, continuously sending the address code; and after the address code is completely sent, sending the high level to the photocoupling tube T1. The system has the advantages of high reliability and no alarming conflict; and the method has the advantages of scientific coding and high practicability.
Description
Technical field
The present invention relates to a kind of signal lamp failure warning, specifically, relate to a kind of railway LED signal lamp failure warning and fault alarm method thereof.
Background technology
At present, the failure warning system that railway signal lamp adopts usually as shown in Figure 1, it is the shared a pair of alarm circuit of warning of a plurality of lighting unit warning transtation mission circuits, arbitrary cell failure of lighting a lamp all want short circuit this to alarm circuit, make 850 time relays time-delay adhesive, starting 6502 signal monitoring system relevant portions reports to the police, simultaneously, lighting unit also will send the address code information of oneself, receive the micro computer monitoring terminal of lighting a lamp the element address coded message and giving central machine room by the warning receiving element, with the specific address of demonstration fault lighting unit, and then be convenient to on-call maintenance corresponding failure lighting unit; But, after a lighting unit fault, other lighting unit fault is arranged again, conflict mutually then will take place between the fault lighting unit, cause the address code information of other fault lighting unit to send, this is just for the lighting unit break down maintenance has brought very big inconvenience, even the initiation safety misadventure; This shows that there is critical defect in the coding form of existing failure warning system.
In order to solve the problem of above-mentioned existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, thereby a kind of design science, simple in structure, compatible strong, alarm free conflict, railway LED signal lamp failure warning that reliability is high are provided, provide also that a kind of method is simple, coding science, practical railway LED signal lamp failure alarm method.
The objective of the invention is to realize: a kind of railway LED signal lamp failure warning by following technical scheme, it comprises by direct supply, alarm circuit, the alarm unit that 850 time relays and warning receiving element constitute and be connected lighting unit warning transtation mission circuit on the alarm circuit, described lighting unit warning transtation mission circuit comprises microprocessor controller, full-wave bridge rectifier circuit, photocoupler T1, photocoupler T2, resistance R 1, resistance R 2 and resistance R 3, wherein, the positive output end of described full-wave bridge rectifier circuit connects the collecting electrode of described resistance R 3 one ends and described photocoupler T1 respectively, the negative output terminal of described full-wave bridge rectifier circuit connects the negative input end of described photocoupler T2 and the emitter of described photocoupler T1 respectively, two input ends of described full-wave bridge rectifier circuit connect alarm circuit, described resistance R 3 other ends connect the positive input terminal of described photocoupler T2, the collecting electrode of described photocoupler T2 connects an end of described resistance R 2, described resistance R 2 other ends are used to connect direct supply, the grounded emitter of described photocoupler T2, the collecting electrode of described photocoupler T2 connects the alarm circuit state signal collecting end of described microprocessor controller, the positive input terminal of described photocoupler T1 is used to connect direct supply, the negative input end of described photocoupler T1 connects described resistance R 1 one ends, the fault that described resistance R 1 other end connects described microprocessor controller element address code signal input end of lighting a lamp.
A kind of railway LED signal lamp failure alarm method, this method is: the microprocessor controller of fault lighting unit sends the fault element address coding of lighting a lamp by photocoupler T1, and described microprocessor controller is by photocoupler T2 detection alarm line status; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to high level, if the alarm circuit state is a high level, then microprocessor controller continue to send the fault element address coding of lighting a lamp, otherwise then microprocessor controller withdraws from and sends the fault element address coding of lighting a lamp; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to low level, if the alarm circuit state is a low level, then microprocessor controller continues to send the fault element address coding of lighting a lamp, otherwise then failure warning system breaks down; Treat that microprocessor controller sends light a lamp element address coding of fault, microprocessor controller sends high level to photocoupler T1, so that abdicate alarm circuit.
The present invention has outstanding substantive distinguishing features and marked improvement with respect to prior art, specifically, this failure warning system utilizes photocoupler to isolate alarm circuit and lighting unit dexterously, and it has design science, simple in structure, compatible strong, alarm free conflict, advantage that reliability is high; This fault alarm method does not influence the normal adhesive of 850 time relays, theoretically, reports to the police when this method can be used for any multichannel lighting unit, and it has, and method is simple, coding science, practical advantage.
Description of drawings
Fig. 1 is the structural representation of described failure warning system;
Fig. 2 is the electrical block diagram of described lighting unit warning transtation mission circuit;
Fig. 3 is the alarm code figure of described railway LED signal lamp failure alarm method.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of railway LED signal lamp failure warning, it comprises by direct supply, alarm circuit, the alarm unit that 850 time relays and warning receiving element constitute and be connected lighting unit warning transtation mission circuit on the alarm circuit, described lighting unit warning transtation mission circuit comprises microprocessor controller, full-wave bridge rectifier circuit, photocoupler T1, photocoupler T2, resistance R 1, resistance R 2 and resistance R 3, wherein, the positive output end of described full-wave bridge rectifier circuit connects the collecting electrode of described resistance R 3 one ends and described photocoupler T1 respectively, the negative output terminal of described full-wave bridge rectifier circuit connects the negative input end of described photocoupler T2 and the emitter of described photocoupler T1 respectively, two input ends of described full-wave bridge rectifier circuit connect alarm circuit, described resistance R 3 other ends connect the positive input terminal of described photocoupler T2, the collecting electrode of described photocoupler T2 connects an end of described resistance R 2, described resistance R 2 other ends are used to connect direct supply, the grounded emitter of described photocoupler T2, the collecting electrode of described photocoupler T2 connects the alarm circuit state signal collecting end P1.1 of described microprocessor controller, the positive input terminal of described photocoupler T1 is used to connect direct supply, the negative input end of described photocoupler T1 connects described resistance R 1 one ends, the fault that described resistance R 1 other end connects described microprocessor controller element address code signal input end P1.0 that lights a lamp; Described full-wave bridge rectifier circuit comprises diode D1, diode D2, diode D3 and diode D4.
As shown in Figure 3, a kind of railway LED signal lamp failure alarm method, this method is: the microprocessor controller of fault lighting unit sends the fault element address coding of lighting a lamp by photocoupler T1, and described microprocessor controller is by photocoupler T2 detection alarm line status; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to high level, if the alarm circuit state is a high level, then microprocessor controller continue to send the fault element address coding of lighting a lamp, otherwise then microprocessor controller withdraws from and sends the fault element address coding of lighting a lamp; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to low level, if the alarm circuit state is a low level, then microprocessor controller continues to send the fault element address coding of lighting a lamp, otherwise then failure warning system breaks down; Treat that microprocessor controller sends light a lamp element address coding of fault, microprocessor controller sends high level to photocoupler T1, so that abdicate alarm circuit.
This failure warning system adopts the method for conflict escape mechanism to solve the problem of a plurality of lighting unit fault alarm conflicts, and concrete method is: the lighting unit of fault sends geocoding, and the state of detection alarm circuit is high level or low level simultaneously; If what send is low level, the state that detects alarm circuit simultaneously is a low level, then will continue to send next address coding numeral; If what send is high level, but the state that detects alarm circuit is a high level, also continues to send next address coding numeral; But if send be high level and detected be low level, illustrate that then this lighting unit and other lighting unit send alarm code conflict has taken place, oneself withdraws from; If lighting unit successfully sends the geocoding of oneself, then abdicate alarm circuit, allow other lighting unit that does not send the warning geocoding resend oneself address code, till the geocoding of All Alerts lighting unit sends fully.
Principle of work: when needs send the geocoding of fault lighting unit,, control the high-low level of alarm circuit with this by the light a lamp conducting of element address code signal input end P1.0 control photocoupler T1 of the fault of described microprocessor controller; The fault of described microprocessor controller is lit a lamp element address code signal input end P1.0 when being high level, not conducting of photocoupler T1, and alarm circuit is high level state; The fault of described microprocessor controller is lit a lamp element address code signal input end P1.0 when being low level, photocoupler T1 conducting, and alarm circuit is low level state by short circuit; By photocoupler T2, the state of the alarm circuit state signal collecting end P1.1 detection alarm circuit of described microprocessor controller, when alarm circuit is low level or photocoupler T1 conducting, the capital is ended photocoupler T2, and the alarm circuit state signal collecting end P1.1 of described microprocessor controller is high level; When alarm circuit is a high level, and when photocoupler T1 ends, photocoupler T2 manages conducting, the alarm circuit state signal collecting end P1.1 of described microprocessor controller is low level, because the high-low level of the alarm circuit state signal collecting end P1.1 of described microprocessor controller has reflected the state of alarm circuit.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (2)
1. railway LED signal lamp failure warning, comprise by direct supply, alarm circuit, the alarm unit that 850 time relays and warning receiving element constitute and be connected lighting unit warning transtation mission circuit on the alarm circuit, it is characterized in that: described lighting unit warning transtation mission circuit comprises microprocessor controller, full-wave bridge rectifier circuit, photocoupler T1, photocoupler T2, resistance R 1, resistance R 2 and resistance R 3, wherein, the positive output end of described full-wave bridge rectifier circuit connects the collecting electrode of described resistance R 3 one ends and described photocoupler T1 respectively, the negative output terminal of described full-wave bridge rectifier circuit connects the negative input end of described photocoupler T2 and the emitter of described photocoupler T1 respectively, two input ends of described full-wave bridge rectifier circuit connect alarm circuit, described resistance R 3 other ends connect the positive input terminal of described photocoupler T2, the collecting electrode of described photocoupler T2 connects an end of described resistance R 2, described resistance R 2 other ends are used to connect direct supply, the grounded emitter of described photocoupler T2, the collecting electrode of described photocoupler T2 connects the alarm circuit state signal collecting end of described microprocessor controller, the positive input terminal of described photocoupler T1 is used to connect direct supply, the negative input end of described photocoupler T1 connects described resistance R 1 one ends, the fault that described resistance R 1 other end connects described microprocessor controller element address code signal input end of lighting a lamp.
2. the fault alarm method of the described railway LED of claim 1 signal lamp failure warning, it is characterized in that: the microprocessor controller of fault lighting unit sends the fault element address coding of lighting a lamp by photocoupler T1, and described microprocessor controller is by photocoupler T2 detection alarm line status; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to high level, if the alarm circuit state is a high level, then microprocessor controller continue to send the fault element address coding of lighting a lamp, otherwise then microprocessor controller withdraws from and sends the fault element address coding of lighting a lamp; The fault that sends when microprocessor controller is lit a lamp the element address when being encoded to low level, if the alarm circuit state is a low level, then microprocessor controller continues to send the fault element address coding of lighting a lamp, otherwise then failure warning system breaks down; Treat that microprocessor controller sends light a lamp element address coding of fault, microprocessor controller sends high level to photocoupler T1, so that abdicate alarm circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100007929A CN102030020B (en) | 2011-01-05 | 2011-01-05 | Railway light-emitting diode (LED) signal lamp failure alarming system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100007929A CN102030020B (en) | 2011-01-05 | 2011-01-05 | Railway light-emitting diode (LED) signal lamp failure alarming system and method |
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| CN102030020A true CN102030020A (en) | 2011-04-27 |
| CN102030020B CN102030020B (en) | 2012-05-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614623A (en) * | 2015-02-13 | 2015-05-13 | 河海大学常州校区 | Remote fault positioning and field polling prompting device for railway annunciator |
| CN104768829A (en) * | 2012-11-30 | 2015-07-08 | 西门子公司 | Method and device for revealing a light signal error |
| CN114312916A (en) * | 2021-12-20 | 2022-04-12 | 广西交控智维科技发展有限公司 | Alarm system for trackside transportation cabinet |
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| KR100288950B1 (en) * | 1999-03-26 | 2001-04-16 | 이경락 | System and Method for monitoring signal equipment difficulty in train |
| CN200985032Y (en) * | 2006-12-25 | 2007-12-05 | 王楷迪 | Control system for LED railway signal machine |
| CN201194134Y (en) * | 2008-04-21 | 2009-02-11 | 上海铁大电信设备有限公司 | Signal light fault alarm positioning device |
| CN201419718Y (en) * | 2009-05-25 | 2010-03-10 | 宁波宝鑫铁路信号设备制造有限公司 | LED light source signal machine detection alarm device |
| CN201907532U (en) * | 2011-01-05 | 2011-07-27 | 张荣博 | Railway LED (light-emitting diode) signal lamp fault alarm system |
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2011
- 2011-01-05 CN CN2011100007929A patent/CN102030020B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100288950B1 (en) * | 1999-03-26 | 2001-04-16 | 이경락 | System and Method for monitoring signal equipment difficulty in train |
| CN200985032Y (en) * | 2006-12-25 | 2007-12-05 | 王楷迪 | Control system for LED railway signal machine |
| CN201194134Y (en) * | 2008-04-21 | 2009-02-11 | 上海铁大电信设备有限公司 | Signal light fault alarm positioning device |
| CN201419718Y (en) * | 2009-05-25 | 2010-03-10 | 宁波宝鑫铁路信号设备制造有限公司 | LED light source signal machine detection alarm device |
| CN201907532U (en) * | 2011-01-05 | 2011-07-27 | 张荣博 | Railway LED (light-emitting diode) signal lamp fault alarm system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104768829A (en) * | 2012-11-30 | 2015-07-08 | 西门子公司 | Method and device for revealing a light signal error |
| CN104768829B (en) * | 2012-11-30 | 2016-11-09 | 西门子公司 | For the method and apparatus disclosing the mistake in optical signal |
| US9562952B2 (en) | 2012-11-30 | 2017-02-07 | Siemens Aktiengesellschaft | Method and apparatus for revealing errors in the case of a light signal |
| CN104614623A (en) * | 2015-02-13 | 2015-05-13 | 河海大学常州校区 | Remote fault positioning and field polling prompting device for railway annunciator |
| CN104614623B (en) * | 2015-02-13 | 2017-04-26 | 河海大学常州校区 | Remote fault positioning and field polling prompting device for railway annunciator |
| CN114312916A (en) * | 2021-12-20 | 2022-04-12 | 广西交控智维科技发展有限公司 | Alarm system for trackside transportation cabinet |
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| CN102030020B (en) | 2012-05-09 |
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Granted publication date: 20120509 Termination date: 20180105 |