CN101700784B - Detection and alarm device of LED light source signalers - Google Patents
Detection and alarm device of LED light source signalers Download PDFInfo
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- CN101700784B CN101700784B CN 200910302569 CN200910302569A CN101700784B CN 101700784 B CN101700784 B CN 101700784B CN 200910302569 CN200910302569 CN 200910302569 CN 200910302569 A CN200910302569 A CN 200910302569A CN 101700784 B CN101700784 B CN 101700784B
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Abstract
The invention relates to a detection and alarm device of LED light source signalers. The detection and alarm device comprises at least one LED light source signaler detection and alarm unit, wherein each LED light source signaler detection and alarm unit correspondingly detects an LED light source signaler; each LED light source signaler detection and alarm unit comprises a lightening light color identification circuit, a signal acquisition circuit, a signal storage unit, a display assembly and a signal processing unit; the lightening light color identification circuit inputs the color information of a current lightening color light to the signal processing unit; the signal processing unit drives the display assembly to display a real-time signal value of the current lightening color light according to the real-time lightening signal value of the current lightening color light acquired by the signal acquisition circuit and compares the real-time lightening signal value of the current lightening color light input by the signal acquisition circuit with a pre-alarm upper limit value, a pre-alarm lower limit value, a fault upper limit value and a fault lower limit value which are stored in the signal storage unit of the lightening signal value of the lightening color light; and when the lightening signal value does not meet a set requirement, the signal processing unit drives the display assembly to send out an alarm signal.
Description
Technical field
The present invention relates to a kind of detection alarm device, especially relate to a kind of detection alarm device that is used in the led light source signal of subway transport field.
Background technology
Signalling set is one of major technique equipment of track traffic transportation, and the good operation of signalling set is the assurance of railway safety and raising conveying efficiency.Signal just as eyes, plays irreplaceable vital function as the important component part of signalling set in driving and shunting service, be the fundamental equipments of commander's safe train operation.
Signal in the track traffic transportation mainly is divided into train signal machine and shunting signal two classes.The negligible amounts of train signal machine, it is more concentrated to distribute, and he is located at the inlet at train-line two ends and station, is used to refer to train operation.And shunting signal quantity is more, is distributed in the bottle-neck section at whole station, and the scope that relates to is wider, and relatively disperses, and is used to refer to shunting service.
The signal that uses in the current track communications and transportation mainly contains two kinds in multi-lenses signal and LED signal.The LED signal adopts led light source to substitute the incandescent light source of traditional color light signal, have low energy consumption, long life, characteristics that display effect is good, the signal fault that reduces or avoided producing because of the filament lamp fault, improved the q﹠r of track traffic transportation, at the subway transport field, be widely adopted.In the prior art, since the LED lamp overtension, temperature is too high or the intrusion of water vapour under can be damaged and can't work, influenced the luminous intensity of signal, so, the two technology of LED signal and lamp circuit combines needs and is aided with specific detecting device its working state of system is monitored effectively, to improve the safety in operation of track traffic.
Summary of the invention
The object of the invention is to provide a kind of led light source signal detection alarm device that is used to detect LED signal lighting circuit mode of operation and circuit working state is made unusually warning.
For reaching technique scheme, the technical solution adopted in the present invention is:
A kind of led light source signal detection alarm device, comprise at least one led light source signal detection alarm unit, each led light source signal detection alarm unit detects a led light source signal accordingly, led light source signal detection alarm unit comprises the color identification circuit of lighting a lamp, and is used to judge the current color of lighting colored lights of led light source signal; Signal acquisition circuit is used to gather the current real-time some modulating signal lighting colored lights of led light source signal; Signal memory cell is used to store each colored lights light a lamp pre-alarm higher limit and lower limit, fail high threshold value and the lower limit of signal; Display module, according to the current colored lights color of lighting of the judgment result displays of the color identification circuit of lighting a lamp, and, the current signal value of lighting a lamp in real time of lighting colored lights of shows signal Acquisition Circuit collection; And signal processing unit, the current colored lights colouring information of lighting of the color of lighting a lamp identification circuit input is to signal processing unit, signal processing unit drives the current live signal value of lighting colored lights of display module demonstration according to the current signal value of lighting a lamp in real time of lighting colored lights of signal acquisition circuit collection, and comparison signal Acquisition Circuit input current lighted the signal value and be stored in the signal memory cell this and light colored lights light a lamp the pre-alarm higher limit and the lower limit of signal value of lighting a lamp in real time of colored lights, fail high threshold value and lower limit, when the signal value of lighting a lamp in real time during greater than the pre-alarm higher limit or less than the pre-alarm lower limit, signal processing unit drives display module and sends alerting signal; When the signal value of lighting a lamp in real time during greater than the fail high threshold value or less than the fault lower limit, signal processing unit drives display module and sends alerting signal.The color identification circuit of lighting a lamp of the present invention is judged the current color of lighting colored lights, and by display module demonstration judged result, the signal value total amount of each LED on the light tone lamp of signal acquisition circuit collection point, simultaneously, also show collection result in real time by display module, the operating personal that is in the Control Room passes through display module, the signal value of lighting colored lights color and this colored lights is monitored in real time, to grasp the mode of operation of each signal of far-end.Meanwhile, the color of lighting a lamp identification circuit and signal acquisition circuit are sent to signal processing unit with current color and the signal value of lighting colored lights, signal processing unit is read from memory cell with current and is lighted in the corresponding pre-alarm of colored lights color, lower limit, and on the fault, lower limit, live signal value and above-mentioned each limit value of relatively working as this colored lights, in the time of in the live signal value of this colored lights surpasses above-mentioned restriction institute restricted portion, promptly drive display module and make corresponding LED damage rate warning, pre-alarm upper lower limit value and fault upper lower limit value damage corresponding to the LED of varying number here.
Technical scheme of the present invention can also be further perfect:
As preferably, each colored lights light a lamp the pre-alarm higher limit of signal less than fail high threshold value, pre-alarm lower limit greater than the fault lower limit.Consider the compromise between the two of track traffic transportation safety and efficient, in fault upper lower limit value interval, be provided with the pre-alarm upper lower limit value, wherein, pre-alarm upper lower limit value and fault upper lower limit value can be set according to the actual conditions in using, the current signal value of lighting a lamp of lighting colored lights is during greater than the pre-alarm higher limit but less than the fail high threshold value, the perhaps current signal value of lighting a lamp of lighting colored lights is during less than the pre-alarm lower limit but greater than the fault lower limit, signal processing unit drives display module and sends the pre-alarm signal, the current signal value of lighting a lamp of colored lights of lighting is greater than the fail high threshold value, during perhaps less than the fault lower limit, signal processing unit drives display module and sends failure alarm signal.Here, pre-alarm signal and failure alarm signal can shared identical display modes, after operating personal is known alerting signal, judge current fault degree by the signal value that shows on the display module; Also can carry out the prompting of pre-alarm prompting and fault respectively, omit the above-mentioned deterministic process of operating personal.
As preferably, current real-time some modulating signal lighting colored lights is meant the current real-time current signal of lighting colored lights, and corresponding, the signal value of lighting a lamp is meant the lighting current value of this colored lights.Usually, a plurality of LED in each colored lights of signal adopt mode in parallel to connect, and when indivedual LED damaged, whole colored lights still can be shinny.Accordingly, the current value of each colored lights is the parallel current value of each LED in this colored lights,, forms corresponding relation between the current LED of lighting quantity and current value that is, with this current mode of operation of lighting colored lights is made judgement.
As preferably, when the signal value of lighting a lamp in real time during greater than the pre-alarm higher limit or less than the pre-alarm lower limit, signal processing unit is also exported the watch-dog of first alerting signal to the rear end; When the signal value of lighting a lamp in real time during greater than the fail high threshold value or less than the fault lower limit, signal processing unit is also exported the watch-dog of second alerting signal to the rear end.Rear end at signal, also be connected with as watch-dogs such as chain monitoring equipment, telemonitoring machine, unit platform warnings, led light source signal detection alarm device need transfer to each watch-dog with detected each signal by communication bus, for consistency operation and with this corresponding signal is made corresponding adjustment.
As preferably, when the signal value of lighting a lamp in real time during greater than the pre-alarm higher limit but less than the fail high threshold value or less than the pre-alarm lower limit but greater than the fault lower limit, signal processing unit is with the current signal value write signal memory cell of lighting a lamp of lighting colored lights.When the signal value of lighting a lamp in real time during greater than the fail high threshold value or less than the fault lower limit, signal processing unit is with the current trouble point modulating signal value write signal memory cell of lighting colored lights.Led light source signal detection alarm unit also comprises key-press input unit, key-press input unit is used for to signal processing unit input playback control signal, after signal processing unit receives playback control signal, light a lamp signal value or each trouble point modulating signal value when from memory cell, reading each pre-alarm of storage successively.Here, in led light source signal detection alarm unit, increased the alarming value playback function, with each pre-alarm or fault alarm value storing storage units, when light a lamp signal value or each trouble point modulating signal value when operating personal need be to each pre-alarm of a period of time looked back with comprehensive analyses, only need by key-press input unit input playback controls command signal, the alerting signal value that can from memory cell, read each colored lights successively.
As preferably, signal processing unit drives display module according to the judged result of the color identification circuit of lighting a lamp and shows the current colored lights color of lighting.Here the relation of lighting a lamp between color identification circuit and the display module is further specified, display module receives the drive signal from signal processing unit.
As preferably, led light source signal detection alarm unit also comprises key-press input unit, be used for importing each colored lights that is stored in signal memory cell light a lamp pre-alarm higher limit and lower limit, fail high threshold value and the lower limit of signal, and to the signal processing unit input control signal.In the present invention, pre-alarm higher limit and lower limit, fail high threshold value and lower limit all can be by manual, also settings according to actual needs, each restriction signal is by signal processing unit write signal memory cell, when the above-mentioned limit value of input is set, also need to import various control signals, as the switching signal of various input states.
As preferably, when the led light source signal cut off the power supply, signal processing unit drove display module and sends alarm for power-off.The present invention has set the alarm for power-off function further, when the current value of each colored lights or the current value that collects are 0 on signal gathering unit can't the acquired signal machine, signal processing unit promptly drives display module and sends the alarm for power-off signal, so that learn that in the very first time signal is unusual, and it is keeped in repair, guarantee the safe in operation in the track highway section at this signal place.
Because the employing of technique scheme, the present invention has the following advantages:
The present invention can judge the current color of lighting colored lights, and operating personal can detect lighting logic and whether conforming with setting of each colored lights in view of the above.And, the present invention can also gather the current working current of lighting colored lights, by the two-stage warning limit value that in signal memory cell, prestores, be pre-alarm limit value and fault limit value, in case et out of order, operating personal can be found in the very first time, on site maintenance, guaranteed that the led light source signal satisfies illumination requirement constantly in set distance range, improved the safety in operation of track traffic.The two the technology of LED signal and former colored lamp lamp circuit that the present invention is based on combines, and a kind of many signals apparatus for monitoring working state is provided, and has further expanded the field of application of led light source signal.
Description of drawings
Accompanying drawing 1 is a kind of front view of the present invention;
Accompanying drawing 2 is electric functional block diagrams of led light source signal detection alarm of the present invention unit.
Wherein: 1, led light source signal; 2, the color identification circuit of lighting a lamp; 3, signal acquisition circuit; 4, signal memory cell; 5, display module; 6, signal processing unit; 7, watch-dog; 8, key-press input unit; 9, led light source signal detection alarm unit.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
Led light source signal detection alarm device as shown in Figure 1, it is provided with a plurality of fast insert-pull grooves, as shown in the figure, and X1～X5, be provided with a led light source signal detection alarm unit 9 in each plug groove, each led light source signal detection alarm unit 9 detects a led light source signal 1 accordingly, according to the quantity of the needs and the signal of actual monitored, selectively takies the plug groove of some, remaining selection is vacant, among the figure, X1～X4 takies, and X5 is vacant.
Led light source signal detection alarm unit 9 as shown in Figure 2 comprises:
The color of lighting a lamp identification circuit 2, be used to judge the led light source signal 1 current color of lighting colored lights, the present invention adopts the relay ways of connecting to judge the current color of lighting colored lights of signal, suppose to have 4 to light the different colored lights of color, 4 colored lights are connecting 4 relay LJ81, LJ82, UJ81, UJ82, when recording LJ81, the signal combination on the LJ82 is 10 or 01 o'clock, and corresponding respectively colored lights 1 and colored lights 2 are lighted, when recording UJ81, UJ82, on signal combination be 10 or 01 o'clock, corresponding respectively colored lights 3 and colored lights 4 are lighted, here, the connection mode of relay and cooresponding logic can adopt various ways; Signal acquisition circuit 3, be used to gather led light source signal 1 current real-time some modulating signal lighting colored lights, here, current real-time some modulating signal lighting colored lights is meant the current real-time current signal of lighting colored lights, accordingly, the signal value of lighting a lamp is meant the lighting current value of this colored lights;
Key-press input unit 8 is stored in each colored lights in the signal memory cell 4 light a lamp pre-alarm higher limit and lower limit, fail high threshold value and the lower limit of signal by information input terminal mouth (as shown in Figure 1) input, and to signal processing unit 6 input control signals; With
When the signal value of lighting a lamp in real time during greater than the pre-alarm higher limit but less than the fail high threshold value or less than the pre-alarm lower limit but greater than the fault lower limit, signal processing unit 3 is exported a plurality of watch-dogs 7 of first alerting signal to the rear end by interlocking monitoring equipment port or remote supervisory and controlling equipment port; When the signal value of lighting a lamp in real time during greater than the fail high threshold value or less than the fault lower limit, signal processing unit 3 is exported the watch-dog 7 of second alerting signal to the rear end by interlocking monitoring equipment port or remote supervisory and controlling equipment port.Watch-dog 7 is taked corresponding reclamation activities respectively according to two kinds of alarm situations.
When the signal value of lighting a lamp in real time during greater than the pre-alarm higher limit but less than the fail high threshold value or less than the pre-alarm lower limit but greater than the fault lower limit, signal processing unit 3 is with the current signal value write signal memory cell 4 of lighting a lamp of lighting colored lights.When the signal value of lighting a lamp in real time during greater than the fail high threshold value or less than the fault lower limit, signal processing unit 3 is with the current trouble point modulating signal value write signal memory cell 4 of lighting colored lights.After signal processing unit 6 receives playback control signal, light a lamp signal value or each trouble point modulating signal value when from memory cell 4, reading each pre-alarm of storage successively.Here, any one in the two of electric light signal value when selectively remembering pre-alarm and fault electric light signal value, or remember above-mentioned two kinds of signals simultaneously.
Claims (10)
1. led light source signal detection alarm device, it is characterized in that: it comprises at least one led light source signal detection alarm unit (9), each described led light source signal detection alarm unit (9) detects a led light source signal (1) accordingly, and described led light source signal detection alarm unit (9) comprises
The color of lighting a lamp identification circuit (2) is used to judge the current color of lighting colored lights of described led light source signal (1);
Signal acquisition circuit (3) is used to gather the current real-time some modulating signal lighting colored lights of led light source signal (1);
Signal memory cell (4) is used to store each colored lights light a lamp pre-alarm higher limit and lower limit, fail high threshold value and the lower limit of signal;
Display module (5), according to the current colored lights color of lighting of the judgment result displays of the described color identification circuit (2) of lighting a lamp, and, show the current signal value of lighting a lamp in real time of lighting colored lights that described signal acquisition circuit (3) is gathered; With
Signal processing unit (6), the described current colored lights colouring information of lighting of color identification circuit (2) input of lighting a lamp is to described signal processing unit (6), the current signal value of lighting a lamp in real time of lighting colored lights that described signal processing unit (6) is gathered according to described signal acquisition circuit (3) drives described display module (5) and shows the current live signal value of lighting colored lights, and more described signal acquisition circuit (3) input current lighted the signal value and be stored in the described signal memory cell (4) this and light colored lights light a lamp the pre-alarm higher limit and the lower limit of signal value of lighting a lamp in real time of colored lights, fail high threshold value and lower limit, when the described signal value of lighting a lamp in real time during greater than described pre-alarm higher limit or less than described pre-alarm lower limit, described signal processing unit (3) drives described display module (5) and sends alerting signal; When the described signal value of lighting a lamp in real time during greater than described fail high threshold value or less than described fault lower limit, described signal processing unit (3) drives described display module (5) and sends alerting signal.
2. led light source signal detection alarm device according to claim 1, it is characterized in that: when the described signal value of lighting a lamp in real time during greater than described pre-alarm higher limit or less than described pre-alarm lower limit, described signal processing unit (3) is also exported the watch-dog (7) of first alerting signal to the rear end; When the described signal value of lighting a lamp in real time during greater than described fail high threshold value or less than described fault lower limit, described signal processing unit (3) is also exported the described watch-dog (7) of second alerting signal to the rear end.
3. led light source signal detection alarm device according to claim 1, it is characterized in that: when the described signal value of lighting a lamp in real time during greater than described pre-alarm higher limit but less than the fail high threshold value or less than described pre-alarm lower limit but greater than the fault lower limit, described signal processing unit (3) writes described signal memory cell (4) with the current signal value of lighting a lamp of lighting colored lights.
4. led light source signal detection alarm device according to claim 1, it is characterized in that: when the described signal value of lighting a lamp in real time during greater than described fail high threshold value or less than described fault lower limit, described signal processing unit (3) writes described signal memory cell (4) with the current trouble point modulating signal value of lighting colored lights.
5. according to claim 3 or 4 described led light source signal detection alarm devices, it is characterized in that: described led light source signal detection alarm unit (9) also comprises key-press input unit (8), described key-press input unit (8) is used for to described signal processing unit (6) input playback control signal, after described signal processing unit (6) receives described playback control signal, light a lamp signal value or each trouble point modulating signal value when from described memory cell (4), reading each pre-alarm of storage successively.
6. led light source signal detection alarm device according to claim 1 is characterized in that: each colored lights light a lamp the described pre-alarm higher limit of signal less than described fail high threshold value, described pre-alarm lower limit greater than described fault lower limit.
7. led light source signal detection alarm device according to claim 1, it is characterized in that: described current real-time some modulating signal lighting colored lights is meant the current real-time current signal of lighting colored lights, accordingly, the described signal value of lighting a lamp is meant the lighting current value of this colored lights.
8. led light source signal detection alarm device according to claim 1 is characterized in that: described signal processing unit (3) drives described display module (5) according to described judged result of lighting a lamp color identification circuit (2) and shows the current colored lights color of lighting.
9. led light source signal detection alarm device according to claim 1, it is characterized in that: described led light source signal detection alarm unit (9) also comprises key-press input unit (8), be used for each colored lights that input is stored in described signal memory cell (4) light a lamp pre-alarm higher limit and lower limit, fail high threshold value and the lower limit of signal, and to described signal processing unit (6) input control signal.
10. led light source signal detection alarm device according to claim 1 is characterized in that: when described led light source signal (1) cut off the power supply, described signal processing unit (6) drove described display module (5) and sends alarm for power-off.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302569 CN101700784B (en) | 2009-05-25 | 2009-05-25 | Detection and alarm device of LED light source signalers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910302569 CN101700784B (en) | 2009-05-25 | 2009-05-25 | Detection and alarm device of LED light source signalers |
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| CN101700784A CN101700784A (en) | 2010-05-05 |
| CN101700784B true CN101700784B (en) | 2011-12-14 |
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| CN 200910302569 Expired - Fee Related CN101700784B (en) | 2009-05-25 | 2009-05-25 | Detection and alarm device of LED light source signalers |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105333958A (en) * | 2014-06-11 | 2016-02-17 | 北京长城金点物联网科技有限公司 | Electronic device |
| CN105987755B (en) * | 2015-01-27 | 2018-02-09 | 鸿富锦精密工业(武汉)有限公司 | Indicator lamp detecting system and method |
| 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 |
| CN110310483A (en) * | 2019-07-01 | 2019-10-08 | 淮阴师范学院 | A kind of LED light source signal machine testing warning device and detection method |
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| CN1114179C (en) * | 1996-02-13 | 2003-07-09 | 西门子公司 | Circuit for monitoring light siganal |
| US7053784B2 (en) * | 2004-04-23 | 2006-05-30 | General Electric Company | System and method for monitoring alignment of a signal lamp |
| US7154403B2 (en) * | 2004-06-30 | 2006-12-26 | General Electric Company | Apparatus and method for monitoring the output of a warning or indicator light |
| CN101110158A (en) * | 2007-07-23 | 2008-01-23 | 陈立 | Recognizing method for trolley blue and white lamp and recognizing system thereof |
| US7425798B2 (en) * | 2003-01-23 | 2008-09-16 | Lumination Llc | Intelligent light degradation sensing LED traffic signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1114179C (en) * | 1996-02-13 | 2003-07-09 | 西门子公司 | Circuit for monitoring light siganal |
| US7425798B2 (en) * | 2003-01-23 | 2008-09-16 | Lumination Llc | Intelligent light degradation sensing LED traffic signal |
| US7053784B2 (en) * | 2004-04-23 | 2006-05-30 | General Electric Company | System and method for monitoring alignment of a signal lamp |
| US7154403B2 (en) * | 2004-06-30 | 2006-12-26 | General Electric Company | Apparatus and method for monitoring the output of a warning or indicator light |
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