CN204166695U - A kind of signal lamp - Google Patents
A kind of signal lamp Download PDFInfo
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- CN204166695U CN204166695U CN201420657722.XU CN201420657722U CN204166695U CN 204166695 U CN204166695 U CN 204166695U CN 201420657722 U CN201420657722 U CN 201420657722U CN 204166695 U CN204166695 U CN 204166695U
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- led
- microprocessor
- detection circuit
- dot matrix
- power module
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Abstract
The utility model relates to a kind of signal lamp, comprises fixed installation power module in the enclosure, input voltage detection circuit, LED drive circuit, LED dot matrix lamp plate, driving voltage testing circuit, current detection circuit, microprocessor and communication interface; The input end of input voltage detection circuit is connected with power module, output terminal is connected with microprocessor, the input end of LED drive circuit is connected with power module, output terminal is connected with LED dot matrix lamp plate, the input end of driving voltage testing circuit is connected with LED dot matrix lamp plate, output terminal is connected with microprocessor, on LED dot matrix lamp plate, all LED are divided into some LED groups, each LED group is connected a resistance, each LED group is connected to current detection circuit, current detection circuit is connected with microprocessor again, and communication interface is connected with microprocessor.The utility model has the advantage of blockette LED fault detect, communication-type fault feedback, easy access.
Description
Technical field
The utility model belongs to transit equipment field, particularly relates to a kind of signal lamp.
Background technology
Current domestic conventional traffic lights do not have fault detection capability mostly, signal lamp health status relies on the daily tour of maintainer completely, report is witnessed in earnest civic, the level of IT application that signal lamp is safeguarded is very low, and the supportability of traffic signals commander is subject to very big restriction.In order to improve signal lamp maintenance levels, industry has made some good tries: in signal lamp national standard, propose a kind of signal lamp detect that LED damages black out signal lamp when acquiring a certain degree and on signal lamp power lead, produces the method for high impedance; Producer is the function that signal controlling machine increases detection signal output current, voltage judges signal lamp light on and off.Whether these methods are intact by signal power source feedback indirect detection signal lamp allomeric function, and there is following defect: in practical engineering application, due to reasons such as cable electric leakages, power line back signal is also unreliable; Cannot know that signal lamp breaks down the accurate location of LED; Cannot judge whether the fault of LED affects traffic signals semantic expressiveness.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this utility model is to provide a kind of LED traffic signal lamp with blockette LED fault detect, communication-type fault feedback, easy access.
In order to realize above-mentioned object, the utility model have employed following technical scheme:
A kind of signal lamp, comprises fixed installation power module in the enclosure, input voltage detection circuit, LED drive circuit, LED dot matrix lamp plate, driving voltage testing circuit, current detection circuit, microprocessor and communication interface, described power module is to LED dot matrix lamp plate and microprocessor power supply, the input end of described input voltage detection circuit is connected with power module, output terminal is connected with microprocessor, the input end of described LED drive circuit is connected with power module, output terminal is connected with LED dot matrix lamp plate, the input end of described driving voltage testing circuit is connected with LED dot matrix lamp plate, output terminal is connected with microprocessor, on described LED dot matrix lamp plate, all LED are divided into some LED groups, each LED group is connected a resistance, each LED group is connected to current detection circuit, current detection circuit is connected with microprocessor again, described communication interface is connected with microprocessor.
Preferably: described power module is also connected with mu balanced circuit.
Preferably: described communication interface adopts RS485 wireline interface or RF wave point.
The utility model is by being divided into some groups signal lamp LED; Detection signal light working voltage and each LED group electric current; And signal lamp adds communication interface, to host computer conveying signal lamp each several part health indicator in order to judge that whether traffic signals are complete.Therefore signal lamp of the present utility model can not only break down by detection signal lamp, and can go out at which part LED by localizing faults, and adopt communication interface to be connected with host computer, signal lamp running state data can be uploaded in time, make control center not only can know signal lamp light on and off state, and the concrete voltage of signal lamp each several part, current value can be obtained, thus the concrete part that signal lamp breaks down can be judged, judge whether signal lamp lost efficacy, and can be about to lose efficacy by prediction signal lamp, deal with in time for different situations.
In sum, the utility model can improve the level of IT application that signal management is safeguarded, the original regularly manual inspection of signal lamp maintenance is become, and control center patrols automatically, active predicting, and signal lamp Support ability is increased substantially.The utility model the utility model, for the maintainability improving lamp system, strengthens traffic signals commander reliability, improves traffic safety and have positive effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is made a detailed explanation.
A kind of signal lamp as shown in Figure 1, comprises fixed installation power module 2 in the enclosure, input voltage detection circuit 1, LED drive circuit 8, LED dot matrix lamp plate 9, driving voltage testing circuit 6, current detection circuit 7, microprocessor 4 and communication interface 5, described power module 2 powers to LED dot matrix lamp plate 9 and microprocessor 4, the input end of described input voltage detection circuit 1 is connected with power module 2, output terminal is connected with microprocessor 4, the input end of described LED drive circuit 8 is connected with power module 2, output terminal is connected with LED dot matrix lamp plate 9, the input end of described driving voltage testing circuit 6 is connected with LED dot matrix lamp plate 9, output terminal is connected with microprocessor 4, on described LED dot matrix lamp plate 9, all LED are divided into some LED groups, each LED group is connected a resistance, each LED group is connected to current detection circuit 7, current detection circuit 7 is connected with microprocessor 4 again, described communication interface 5 is connected with microprocessor 4.Described power module 2 is also connected with mu balanced circuit 3.
LED dot matrix lamp plate is divided into some groups, and the LED quantity of each group is different according to unlike signal pattern, size, and the some LED strip connection often organized also connect current detection circuit by a sampling resistor; Current detection circuit flows to microprocessor the detection signal of each LED group; External signal input power module is low-voltage direct exchange conversion, and low-voltage direct one tunnel flows to LED drive circuit driving LED dot matrix lamp plate, and another road flows to mu balanced circuit and exports the supply of 5V operating voltage microprocessor, communication interface and each testing circuit.External signal voltage, by after power module, flows to microprocessor after input voltage detection circuit scale amplifying.Communication interface is connected with microprocessor, realizes the communication of signal lamp and host computer.Microprocessor-based control port is also connected with LED drive circuit, can realize the unlatching to LED drive circuit, closing control.The microprocessor that the implementation case adopts is ST12C4052AD, input voltage detection circuit adopts optical coupler EL817, driving voltage testing circuit amplifier adopts LM2904, power module adopts 35W/220VAC Switching Power Supply, mu balanced circuit adopts LM7805 three terminal regulator, LED adopts the colors such as red, yellow, and green as required, and communication interface adopts RS485 wireline interface or RF wave point.
The nearer some signal lamps in position, crossing adopt RS485 wireline interfaces to be connected with a wireless transmitting-receiving equipments; Signal controlling machine is also with the data message that a wireless transmitting-receiving equipments sends for receiving crossing all directions signal lamp; Signal controlling machine is connected with control center by network.
Claims (3)
1. a signal lamp, is characterized in that: comprise fixed installation power module in the enclosure (2), input voltage detection circuit (1), LED drive circuit (8), LED dot matrix lamp plate (9), driving voltage testing circuit (6), current detection circuit (7), microprocessor (4) and communication interface (5), described power module (2) is to LED dot matrix lamp plate (9) and microprocessor (4) power supply, the input end of described input voltage detection circuit (1) is connected with power module (2), output terminal is connected with microprocessor (4), the input end of described LED drive circuit (8) is connected with power module (2), output terminal is connected with LED dot matrix lamp plate (9), the input end of described driving voltage testing circuit (6) is connected with LED dot matrix lamp plate (9), output terminal is connected with microprocessor (4), the upper all LED of described LED dot matrix lamp plate (9) are divided into some LED groups, each LED group is connected a resistance, each LED group is connected to current detection circuit (7), current detection circuit (7) is connected with microprocessor (4) again, described communication interface (5) is connected with microprocessor (4).
2. a kind of signal lamp according to claim 1, is characterized in that: described power module (2) is also connected with mu balanced circuit (3).
3. a kind of signal lamp according to claim 1, is characterized in that: described communication interface (5) adopts RS485 wireline interface or RF wave point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657722.XU CN204166695U (en) | 2014-11-05 | 2014-11-05 | A kind of signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657722.XU CN204166695U (en) | 2014-11-05 | 2014-11-05 | A kind of signal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166695U true CN204166695U (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420657722.XU Expired - Fee Related CN204166695U (en) | 2014-11-05 | 2014-11-05 | A kind of signal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166695U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788303A (en) * | 2016-04-20 | 2016-07-20 | 陈思思 | Led traffic signal lamp fault feedback system |
| CN107995721A (en) * | 2017-10-30 | 2018-05-04 | 厦门亚锝电子科技有限公司 | DALI adjusting control circuits |
| CN108802632A (en) * | 2018-05-24 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Fault detection method and device, fault detection system |
| CN113112834A (en) * | 2021-04-14 | 2021-07-13 | 广东古田智能科技有限公司 | Traffic light system and lamp bead fault detection method thereof |
-
2014
- 2014-11-05 CN CN201420657722.XU patent/CN204166695U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788303A (en) * | 2016-04-20 | 2016-07-20 | 陈思思 | Led traffic signal lamp fault feedback system |
| CN107995721A (en) * | 2017-10-30 | 2018-05-04 | 厦门亚锝电子科技有限公司 | DALI adjusting control circuits |
| CN107995721B (en) * | 2017-10-30 | 2019-09-06 | 厦门亚锝电子科技有限公司 | DALI adjusting control circuit |
| CN108802632A (en) * | 2018-05-24 | 2018-11-13 | 中车青岛四方机车车辆股份有限公司 | Fault detection method and device, fault detection system |
| CN113112834A (en) * | 2021-04-14 | 2021-07-13 | 广东古田智能科技有限公司 | Traffic light system and lamp bead fault detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 311401 Zhejiang Road, Fuyang District, Dongzhou City Industrial Zone, No. seven Dongzhou Road, No. 38 Patentee after: Zhejiang Xinyuan traffic Electronic Co Ltd Address before: Fuchun street of Fuyang city Hangzhou city Zhejiang province 311499 Yingbin Road No. 97 Patentee before: Zhejiang Fuyang Xinyuan Traffic Electronics Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20201105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |