CN205140485U - Take LED traffic induction screen of blind spot detection - Google Patents
Take LED traffic induction screen of blind spot detection Download PDFInfo
- Publication number
- CN205140485U CN205140485U CN201520926777.0U CN201520926777U CN205140485U CN 205140485 U CN205140485 U CN 205140485U CN 201520926777 U CN201520926777 U CN 201520926777U CN 205140485 U CN205140485 U CN 205140485U
- Authority
- CN
- China
- Prior art keywords
- blind spot
- display panel
- led display
- driving chip
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Traffic Control Systems (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a take LED traffic induction screen of blind spot detection, including LED display panel, the power modul, driver chip and blind spot detection module, power module is LED display panel respectively, driver chip and the power supply of blind spot detection module, driver chip is connected with the LED display panel electricity, driver chip sends drive signal to LED display panel, LED display panel and blind spot detection module are connected, blind spot detection module gives driver chip with the LED display panel's that detects blind spot information transmission, driver chip is connected with and is used for making drive current to keep invariable current control circuit. The utility model discloses a driver chip is connected with and is used for adjusting the invariable current control circuit of drive current, works as blind spot detection module and detects the blind spot, can give driver chip with blind spot message routing, and driver chip combines current control circuit regulation drive current, has solved the blind spot trouble that changes the production because of the electric current.
Description
Technical field
The utility model relates to traffic guidance screen technical field, refers to a kind of LED traffic guidance screen detected with blind spot especially.
Background technology
Traffic guidance screen refers to be made by LED make, be used for playing the display screen of traffic guidance effect, it is generally applied to highway, and traffic guidance screen containing figure induction sign, to be combined the multifunctional information display screen formed by ordinary road mark and changeable-message sign.Traffic guidance screen have display visual in image, contain much information, relatively short depending on the time of recognizing, to show the way etc. for the driver being unfamiliar with road conditions remarkable advantage, is applicable to the intensive location of road network of urban road and highway main line.
Along with the increase of service time, there is the non-constant LED brightness irregularities caused of electric current possibly in some LED in traffic guidance screen, or other LED are damaged and are caused occurring blind spot, occur in existing patent that some are to the pick-up unit of LED blind spot or method, staff can only be relied on after but these blind spots being detected to safeguard, the function from main regulation blind spot can not be played.
The Chinese utility model patent being CN201134206Y as publication number discloses a kind of display system with blind spot detection, comprise the display panel that multiple light emitting diode is formed, to be connected with multiple light emitting diode respectively by each pin and for driving the driving chip of display panel, for providing the video control module of video driving signal to driving chip, for providing the main control system of video information to be shown to video control module, blind spot detection chip, it is connected with described driving chip, for sending blind spot detection signal to driving chip, and read the driving chip electric current that each pin exports after receiving blind spot detection signal, and record current occurs that abnormal pin is to detect that the light emitting diode be connected with pin is for blind spot.This utility model patent only discloses the device for detecting blind spot, does not but announce how to operate and removes blind spot fault.
Utility model content
The utility model proposes a kind of LED traffic guidance screen detected with blind spot, according to blind spot information adjustment drive current, can solve the blind spot problem because current imbalance causes.
The technical solution of the utility model is achieved in that
A kind of LED traffic guidance screen detected with blind spot, comprise LED display panel, power module, driving chip and blind spot detection module, power module is respectively LED display panel, driving chip and blind spot detection module and powers, driving chip is electrically connected with LED display panel, driving chip sends drive singal to LED display panel, LED display panel is connected with blind spot detection module, blind spot detection module is by the blind spot information transmission of LED display panel that detects to driving chip, and driving chip is connected with the current control circuit for making drive current keep constant.
Further, the input end of driving chip is connected with Data Input Interface and amplifying circuit, and the output terminal of Data Input Interface is connected with the input end of amplifying circuit, and the output terminal of amplifying circuit is connected with the input end of driving chip.Further, Data Input Interface adopts 16 needle connectors.
Further, the output terminal of driving chip is connected with secondary drive chip, and secondary drive chip is for driving secondary LED display panel.
Further, the output terminal of driving chip is connected with data output interface, and data output interface adopts 16 needle connectors.Further, the output terminal of data output interface is connected with main control module, and data output interface is by blind spot information transmission to main control module, and main control module is connected with storage unit, by blind spot information transmission to storage unit.Further, main control module is connected with wireless communication module, and blind spot information is sent to server by wireless network by wireless communication module.Further, LED display panel is connected with sensor, and the heat transfer agent detected is sent to main control module by sensor.
The beneficial effects of the utility model are: driving chip is connected with the current control circuit for regulating driving current constant, when blind spot detection module detects blind spot, blind spot information can be sent to driving chip, driving chip, in conjunction with current control circuit adjustment drive current, solves the blind spot fault produced because of curent change.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of a kind of LED traffic guidance screen embodiment one with blind spot detection of the utility model;
Fig. 2 is the theory diagram of a kind of LED traffic guidance screen embodiment two with blind spot detection of the utility model;
Fig. 3 is the theory diagram of a kind of LED traffic guidance screen embodiment three with blind spot detection of the utility model;
In figure, 1-driving chip; 2-LED display panel; 3-blind spot detection module; 4-current control circuit; 5-Data Input Interface; 6-amplifying circuit; 7-data output interface; 8-main control module; 9-memory module; 10-communication module; 11-secondary drive chip; 12-level LED display panel; 13-level blind spot detection module; 14-secondary current control circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
As shown in Figure 1, the utility model proposes a kind of LED traffic guidance screen detected with blind spot, comprise LED display panel 2, LED display panel 2 comprises the LED array of LED lamp bead or LED paster composition, LED display panel 2 comprises pcb board, LED array is arranged on the one side of pcb board, driving chip 1 is for controlling LED array, driving chip 1 can be fixed on the another side of pcb board, also be connected with each pin of LED array by circuit, blind spot detection module 3 is connected with each pin of LED array, for detecting the electric current of each LED lamp bead or LED paster, when larger fluctuation appears in the electric current of certain LED lamp bead or LED paster, then send blind spot information to driving chip 1, power module is respectively LED display panel 2, driving chip 1 and blind spot detection module 3 are powered, driving chip 1 is electrically connected with LED display panel 2, driving chip 1 sends drive singal to LED display panel 2, LED display panel 2 is connected with blind spot detection module 3, blind spot detection module 3 by the blind spot information transmission of LED display panel that detects to driving chip 1, driving chip 1 is connected with the current control circuit 4 for making drive current keep constant.
Embodiment two
As shown in Figure 2, the input end of driving chip 1 is connected with Data Input Interface 5 and amplifying circuit 6, and the output terminal of Data Input Interface 5 is connected with the input end of amplifying circuit 6, and the output terminal of amplifying circuit 6 is connected with the input end of driving chip 1.Data Input Interface 5 and amplifying circuit 6 can be used for driving chip 1 transmit button control signal.Different from embodiment one, the traffic guidance screen described in embodiment two needs outside transmission control signal to control the work of driving chip 1 to driving chip 1.In embodiment one, driving chip 1 can determine the working time voluntarily according to the program set.
Data Input Interface 5 adopts 16 needle connectors.Use 16 needle connectors can be suitable for larger data area.
The output terminal of driving chip 1 is connected with data output interface 7, and data output interface 7 adopts 16 needle connectors.Driving chip 1 can by blind spot information, and the information such as drive current are transferred out by data output interface 7.
The output terminal of data output interface 7 is connected with main control module 8, and data output interface 7 is by blind spot information transmission to main control module 8, and main control module 8 is connected with storage unit, by blind spot information transmission to storage unit.Blind spot information can all store out by main control module 8, when maintainer carries out periodic maintenance, can safeguard the LED lamp bead or LED paster that blind spot occurred.
Main control module 8 is connected with wireless communication module 10, and blind spot information is sent to server by wireless network by wireless communication module 10.Main control module 8 can in real time by blind spot information transmission to server, the staff of control operation server can obtain blind spot information in time.
LED display panel 2 is connected with sensor, and the heat transfer agent detected is sent to main control module 8 by sensor.Sensor comprises temperature sensor and humidity sensor, and the temperature information of LED display panel 2 and humidity information can be transferred to main control module 8 by sensor, send to remote control terminal, or send to maintainer by main control module 8.
Embodiment three
As shown in Figure 3, the output terminal of driving chip 1 is connected with secondary drive chip 11, secondary drive chip 11 is for driving secondary LED display panel 12, secondary LED display panel 12 is connected with secondary blind spot detection module 13, the blind spot information of secondary LED display panel 12 is sent to secondary drive chip 11 by secondary blind spot detection module 13, and secondary drive chip 11 regulates drive current according to secondary current control circuit 14.Driving chip 1 can be used for controlling to drive secondary drive chip 11, the blind spot information of LED display panel 2 is sent to secondary drive chip 11 simultaneously.LED display panel 2 and secondary LED display panel 12 can increase the area of traffic guidance screen, but can not reduce the accuracy detected the blind spot of LED or LED lamp bead.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. the LED traffic guidance screen detected with blind spot, comprise LED display panel, power module, driving chip and blind spot detection module, described power module is respectively described LED display panel, driving chip and blind spot detection module are powered, described driving chip is electrically connected with described LED display panel, described driving chip sends drive singal to described LED display panel, described LED display panel is connected with described blind spot detection module, described blind spot detection module by the blind spot information transmission of described LED display panel that detects to described driving chip, it is characterized in that: described driving chip is connected with the current control circuit for making drive current keep constant.
2. a kind of LED traffic guidance screen detected with blind spot according to claim 1, it is characterized in that: the input end of described driving chip is connected with Data Input Interface and amplifying circuit, the output terminal of described Data Input Interface is connected with the input end of described amplifying circuit, and the output terminal of described amplifying circuit is connected with the input end of described driving chip.
3. a kind of LED traffic guidance screen detected with blind spot according to claim 2, is characterized in that: described Data Input Interface adopts 16 needle connectors.
4. a kind of LED traffic guidance screen detected with blind spot according to any one of claim 1-3, it is characterized in that: the output terminal of described driving chip is connected with secondary drive chip, described secondary drive chip is for driving secondary LED display panel.
5. a kind of LED traffic guidance screen detected with blind spot according to any one of claim 1-3, it is characterized in that: the output terminal of described driving chip is connected with data output interface, described data output interface adopts 16 needle connectors.
6. a kind of LED traffic guidance screen detected with blind spot according to claim 5, it is characterized in that: the output terminal of described data output interface is connected with main control module, described data output interface is by blind spot information transmission extremely described main control module, described main control module is connected with storage unit, by blind spot information transmission to described storage unit.
7. a kind of LED traffic guidance screen detected with blind spot according to claim 6, it is characterized in that: described main control module is connected with wireless communication module, blind spot information is sent to server by wireless network by described wireless communication module.
8. a kind of LED traffic guidance screen detected with blind spot according to claim 6 or 7, it is characterized in that: described LED display panel is connected with sensor, the heat transfer agent detected is sent to described main control module by described sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926777.0U CN205140485U (en) | 2015-11-18 | 2015-11-18 | Take LED traffic induction screen of blind spot detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520926777.0U CN205140485U (en) | 2015-11-18 | 2015-11-18 | Take LED traffic induction screen of blind spot detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140485U true CN205140485U (en) | 2016-04-06 |
Family
ID=55626254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520926777.0U Active CN205140485U (en) | 2015-11-18 | 2015-11-18 | Take LED traffic induction screen of blind spot detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610655A (en) * | 2017-09-18 | 2018-01-19 | 京东方科技集团股份有限公司 | LCM modules, display device, back facet current control circuit and its method |
| CN115424549A (en) * | 2022-07-15 | 2022-12-02 | 南京鼎恩电子信息有限公司 | LED traffic guidance screen |
-
2015
- 2015-11-18 CN CN201520926777.0U patent/CN205140485U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610655A (en) * | 2017-09-18 | 2018-01-19 | 京东方科技集团股份有限公司 | LCM modules, display device, back facet current control circuit and its method |
| CN115424549A (en) * | 2022-07-15 | 2022-12-02 | 南京鼎恩电子信息有限公司 | LED traffic guidance screen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207692096U (en) | A kind of wisdom street lamp control system based on NB-IoT | |
| US9131550B2 (en) | Lighting device having status indication by modulated light | |
| CN205140485U (en) | Take LED traffic induction screen of blind spot detection | |
| CN102769962B (en) | Wireless communication network based intelligent high-power LED driving power source system | |
| CN109526110B (en) | Intelligent control system of three-primary-color multi-color-temperature LED street lamp for ZigBee networking communication | |
| CN203630977U (en) | Signal detection collector for traffic signal lamp | |
| CN203950005U (en) | Multi-functional overhead transmission line fault monitoring system | |
| CN202353864U (en) | Intelligent control light emitting diode (LED) street lamp | |
| CN204256103U (en) | A kind of monitoring system of the transmission line travelling wave localization of fault based on mobile Internet | |
| CN211878451U (en) | Remote monitoring system for LED display screen | |
| CN108800018A (en) | A kind of novel wisdom street lamp | |
| CN104394623A (en) | Intelligent streetlamp control method | |
| CN207718635U (en) | A kind of traffic signals facility staff realtime monitoring system | |
| CN107622750A (en) | A kind of LED display tele-control system | |
| KR100833683B1 (en) | A monitoring system for streetlight during day time using zigbee communication | |
| CN203965538U (en) | Intelligent railway signal LED shows and failure warning system | |
| CN109526111B (en) | Power carrier wave three-primary-color multi-color-temperature LED street lamp control system | |
| CN203951647U (en) | A kind of road lighting control system based on zigbee communication | |
| CN111336456A (en) | Automatic adjusting device and method for street lamp for pedestrian crossing | |
| CN203708610U (en) | Novel LED street lamp | |
| CN112004297A (en) | Intelligent lamp pole of automatic control switch after loss of connection | |
| CN207066336U (en) | A kind of position detecting circuit and equipment | |
| CN110310483A (en) | A kind of LED light source signal machine testing warning device and detection method | |
| CN112312622A (en) | Intelligent stage lighting cloud terminal control system | |
| CN211019388U (en) | Intelligent street lamp single lamp control terminal based on multiple information acquisition of NB-IOT technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |