CN101763799B - Remote detection system and method of LED information terminals - Google Patents
Remote detection system and method of LED information terminals Download PDFInfo
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- CN101763799B CN101763799B CN200910109757A CN200910109757A CN101763799B CN 101763799 B CN101763799 B CN 101763799B CN 200910109757 A CN200910109757 A CN 200910109757A CN 200910109757 A CN200910109757 A CN 200910109757A CN 101763799 B CN101763799 B CN 101763799B
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Abstract
The invention relates to a remote detection system and a method of LED information terminals. The system comprises an upper computer, a lower computer, a plurality of LED information terminals, system sub-scan cards and single-point detection receiving cards, wherein the upper computer is arranged in a central control room; the lower computer comprises an LED display controller and single-point detection transmitting cards; the LED information terminals are distributed at different places and connected with the lower computer; the system sub-scan cards are arranged on each LED information terminal and used for detecting a certain area on each LED information terminal; and the single-point detection receiving cards are arranged on each LED information terminal and used for detecting a certain point on each LED information terminal and transmitting a result generated by scanning back to the sub-scan cards. The method is realized in such a way that (a) an operator sends out a detection starting instruction to the lower computer by the upper computer; (b) the lower computer directly controls the system sub-scan cards and the single-point detection receiving cards of the LED information terminals to scan and detect designated positions and feeds back detection results to the upper computer; and (c) the upper computer displays the fed back detection results, and the operator determines whether the operator heads for maintenance or not and how to process. By adopting the invention, remote detection can be carried out on all the LED information terminals in the central control room.
Description
[technical field]
The present invention relates to LED Message Display Terminal, particularly relate to a kind of remote detecting system and method for carrying out the LED information terminal of remote detection.
[background technology]
Traffic Informationization is the modern important component part of communications and transportation.At present, the LED intelligent display terminal is as providing the terminal device of Traffic Information to have more and more important effect.The traffic administration personnel can release news and show the traffic dispersion sign to the terminal in central control room through dedicated network, reach the purpose of the management and the flow that relieves traffic congestion through the managing intelligent information method.
Though the LED intelligent display terminal has obtained application more and more widely, there is big problem in its maintenance and repair.This be because, the intelligent transportation terminal is arranged on urban periphal defence mostly or away from the highway both sides in city, is in more remote area, even and be arranged on the state that also there is One's name is legion in the intelligent terminal of urban road both sides and disperses to be provided with.This monitoring and maintenance for equipment state just causes bigger difficulty.Traditional maintenance mode is by maintainer's steering vehicle regular visit on road; This mode needs the human and material resources and the financial resources of labor; And can't accomplish to safeguard timely and effectively, and safeguard timely and effectively for keeping the unimpeded most important of transport information.
[summary of the invention]
The present invention is intended to address the above problem; In central control room, can carry out remote detection and provide a kind of to all LED information terminals; Surveyed area is optional, and testing process and data transmission are convenient quick, but the testing result image shows; Thereby can improve maintenance efficiency greatly, the remote detecting system of the LED information terminal that reduces cost.
The present invention also aims to provide the method for the LED information terminal being carried out remote detection through this system.
For realizing above-mentioned purpose, the present invention provides a kind of remote detecting system of LED information terminal, and this system comprises:
Host computer, it has man machine operation interface, and it is located in the central control room;
Slave computer, it comprises that LED display controller and single-point detect the transmission card, this slave computer is connected with host computer and a plurality of LED information terminal respectively through dedicated network;
Be distributed in a plurality of LED information terminals of different location, it is connected with slave computer;
System's branch is swept card, and it is arranged on each LED information terminal, and is connected with slave computer, is used for a certain zone on each LED information terminal is detected;
Single-point detects receiving card, and it is located at down on each LED information terminal, and is connected with slave computer, is used on each LED information terminal certain is a bit detected, and the result of scanning generation is beamed back system's branch sweep card.
Each LED information terminal is divided into casing, zone and whole screen; Wherein, Casing is divided into the specific region of 32 * 32,64 * 64 or 64 * 32 pixels, is provided with at least one block system branch in the casing and sweeps card, and look the single-point detection receiving card of the difference collocation varying number of casing pixels tall; The zone is the areal extent that some pixels constitute, and is made up of the little zone of some same pixel; Whole screen is for containing the viewing area of whole demonstration luminous points.
Single-point detects and sends card is central controller MCU, and it is respectively through showing input interface, showing that output interface, RS232 interface and single-point detect interface and link to each other with LED display controller, LED information terminal, host computer and single-point detection receiving card.
Single-point detects receiving card and comprises input buffer, parallel-to-serial converter and output driver, and it is connected with slave computer with the LED information terminal through detecting input interface and output interface respectively.
System's branch is swept card for being used for the single-chip microcomputer of data operation.
The present invention also provides through said system the LED information terminal has been carried out the method for remote detection, and this method comprises:
A, send the detection sign on that the particular location to a certain LED information terminal detects to slave computer by the man-machine interface of operator through host computer;
After b, slave computer were received the instruction of host computer, system's branch of directly controlling the LED information terminal was swept card and single-point and is detected receiving card assigned address is scanned detection, and testing result is fed back to host computer;
C, host computer show the testing result of feedback on display; And in the corresponding region the corresponding ranks coordinate of position display; Show out of order percentage simultaneously; Whether go to maintenance to reach by operator's decision and how to handle, but can form corresponding storing data files simultaneously, and generate failure logging.
Among the step a, one or more zones that the operator can choose wantonly on the LED information terminal are detected.
Among the step b, system's branch sweeps that card carries out is that single-point by slave computer detects the detection instruction of relevant position video data of having sent distribution that card transmits.
Among the step c, the testing result that host computer shows comprises short circuit and dead point fault, grows the bright spot fault.
Contribution of the present invention is that it efficiently solves traditional manpower and patrols and examines the drawback that maintenance mode has.Sweep card and single-point detection receiving card owing to be provided with the system's branch that detects usefulness at each LED information terminal; And they are linked to each other with computer system in the central control room; Make and in central control room, can carry out remote detection, and can select certain zone or the integral body of LED information terminal are detected that testing process and data can in time be passed central control room back to all LED information terminals; Testing result can be carried out image in the man-machine interface of host computer and shown; Thereby can improve maintenance efficiency greatly, and reduce cost, guarantee normal operation and transport information unimpeded of LED information terminal.
[description of drawings]
Fig. 1 is a system architecture diagram of the present invention.
Fig. 2 is a single led information terminal structural representation of the present invention.
[embodiment]
The following example is to further explanation of the present invention and explanation, and the present invention is not constituted any limitation.
Consult Fig. 1, Fig. 2; The remote detecting system of LED information terminal of the present invention comprises that host computer 10, slave computer 20, single-point detect transmission card 22, system's branch is swept card 31, single-point detection receiving card 32 and a plurality of LED information terminal 30; Said host computer 10 is that operating personnel can directly send the computing machine of controlling order; It has man machine operation interface, DVI interface and RS232 interface; And be built-in with Control Software, can show the testing result of a plurality of LED information terminals on the host computer screen, this host computer 10 is arranged in the central control room (not shown).Slave computer 20 is directly to control the LED information terminal.And obtain the terminal and detect the data computing machine; It comprises that LED display controller 21 and single-point detect transmission card 22; Wherein, LED display controller 21 can be conventional LED display controller, and it is through showing that input interface and single-point detect the central controller 221 that sends card and be connected.Said single-point detects and sends card 22 is central controller MCU; It is respectively through showing input interface, showing that output interface, RS232 interface and single-point detect interface and link to each other with LED display controller, LED information terminal, host computer and single-point detection receiving card; Be used for that the instruction that single-point detects is sent to single-point and detect receiving card 32; And be used for normal display data or show that detecting single-point detects data, the transmission of its data or reception are by corresponding software control.Slave computer 20 is at first given in the order that host computer 10 sends, and slave computer 20 becomes the corresponding time sequence signal directly to control each LED information terminal 30 according to this command interpretation again.Said slave computer 20 is connected with host computer and a plurality of LED information terminal 30 through RS232 interface or TCP/IP netting twine.A plurality of LED information terminals 30 are distributed in highway and the both sides, urban road that information terminal need be set, and they are connected with slave computer 20 through dedicated network, can show the various transport information and the traffic dispersion sign of central control room issue on it in real time.
For the LED information terminal 30 that is distributed in is everywhere implemented remote detection; The present invention is divided into casing, regional A and whole screen B with each LED information terminal; Casing is that the display unit of fixed resolution is like 64 * 64,32 * 32 pixels; Viewing area A by several casings form can be continuously also can discontinuous square formation, whole screen B is the whole indication range that comprises whole display pixels that whole casings constitute.In the embodiment shown in Figure 2, B is whole viewing area, and A is the zone of 128 * 64 pixels that are made up of two casings, and the tabulation in coordinate figure that any one single pixel is corresponding such as display interface left side shows corresponding XY coordinate figure.
In said casing, be provided with system's branch and sweep card 31; And be provided with single-point and detect receiving card 32; Wherein, It is to carry out single-point by slave computer to detect the control card of relevant position video data that sent distribution that card 2 transmits that system's branch is swept card 31, and its only is responsible for less relatively control area of own administration, like the zone of a casing correspondence.It is the single-chip microcomputer that is used for data operation that this system's branch is swept card, is used for a certain control area on each LED information terminal is detected.System's branch is swept card 31 and is connected with slave computer; Scanning result to being beamed back by single-point detection receiving card carries out computing; The packet that produces turns back to host computer by corresponding protocol by RS232 Serial Port Line or TCP/IP netting twine, produces scanning result picture and detection record by the host computer restoring data.It is the control cards that are used to produce sweep signal and feedback result that single-point detects receiving card 32; It comprises input buffer 321, parallel-to-serial converter 322 and output driver 323; It is swept card 31 with system's branch of LED information terminal and is connected through detecting input interface, and passes through output interface and be connected with slave computer.Single-point detects the instruction that receiving card 32 executive system branches are swept card 31, the pixel of specifying casing is scanned, and the result that will scan generation beams back system's branch and sweeps card 31.
The present invention comprises the method that the LED information terminal carries out remote detection through said system:
A, send the detection sign on that the particular location to a certain LED information terminal 30 detects to slave computer 20 by the man-machine interface of operator through host computer 10; The regional A that the operator can choose any a plurality of casing formations detects, also can be to showing all in the viewing area that luminous points detect.
After b, slave computer 20 are received the instruction of host computer 10; System's branch of the LED information terminal 30 that detects to needs is swept card 31 and is sent the detection instruction that has distributed the relevant position video data; System's branch is swept 32 pairs of assigned addresses of card control single-point detection receiving card and is scanned detection; System's branch is swept card and single-point is detected the scanning result that receiving card beams back is carried out computing; The packet that is produced turns back to host computer according to corresponding protocol by RS232 Serial Port Line or TCP/IP netting twine, by the host computer restoring data, produces scanning result picture and detection record.
C, host computer show the testing result of feedback on display; For example represent short circuit and dead point fault through
; Represent long bright spot fault and pass through
; And in the corresponding region the corresponding ranks coordinate of position display; Show out of order percentage simultaneously; How whether go to maintenance to reach by operator's decision handles; But can form corresponding storing data files simultaneously, and generate failure logging.
Realized a plurality of LED information terminals that are distributed in the different location are carried out remote detection through system and method for the present invention.
Claims (6)
1. the remote detecting system of a LED information terminal is characterized in that, this system comprises:
Host computer, it has man machine operation interface, and it is located in the central control room;
Slave computer; It comprises that LED display controller and single-point detect the transmission card; This slave computer is connected with host computer and a plurality of LED information terminal respectively through dedicated network; Said single-point detects and sends card is central controller MCU, and it is respectively through showing input interface, showing that output interface, RS232 interface and single-point detect interface and link to each other with LED display controller, LED information terminal, host computer and single-point detection receiving card;
Be distributed in a plurality of LED information terminals of different location; It is connected with slave computer; Each LED information terminal is divided into casing, zone and whole screen, and wherein, casing is divided into the specific region of 32 * 32,64 * 64 or 64 * 32 pixels; Be provided with at least one block system branch in the casing and sweep card, and look the single-point detection receiving card of the difference collocation varying number of casing pixels tall; The zone is the areal extent that some pixels constitute, the square formation of being made up of several casings; Whole screen is for containing the viewing area of whole demonstration luminous points;
System's branch is swept card, and it is arranged on each LED information terminal, and is connected with slave computer, is used for a certain zone on each LED information terminal is detected;
Single-point detects receiving card; This single-point detects receiving card and comprises input buffer, parallel-to-serial converter and output driver; It is connected with slave computer with the LED information terminal through detecting input interface and output interface respectively, and single-point detects receiving card and is located on each LED information terminal, and is connected with slave computer; Be used on each LED information terminal certain is a bit detected, the result that scanning is produced beams back system's branch and sweeps card.
2. the remote detecting system of LED information terminal as claimed in claim 1 is characterized in that, said system branch is swept card for being used for the single-chip microcomputer of data operation.
3. method of carrying out LED information terminal remote detection by the said system of claim 1 is characterized in that this method comprises:
A, send the detection sign on that the particular location to a certain LED information terminal detects to slave computer by the man-machine interface of operator through host computer;
After b, slave computer were received the instruction of host computer, system's branch of directly controlling the LED information terminal was swept card and single-point and is detected receiving card assigned address is scanned detection, and testing result is fed back to host computer;
C, host computer show the testing result of feedback on display; And in the corresponding region the corresponding ranks coordinate of position display; Show out of order percentage simultaneously; Whether go to maintenance to reach by operator's decision and how to handle, but can form corresponding storing data files simultaneously, and generate failure logging.
4. method as claimed in claim 3 is characterized in that, among the step a, one or more zones that the operator can choose wantonly on the LED information terminal are detected.
5. method as claimed in claim 3 is characterized in that, among the step b, system's branch sweeps that card carries out is that single-point by slave computer detects the detection instruction of relevant position video data of having sent distribution that card transmits.
6. method as claimed in claim 3 is characterized in that, among the step c, the testing result that host computer shows comprises short circuit and dead point fault, grows the bright spot fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109757A CN101763799B (en) | 2009-11-19 | 2009-11-19 | Remote detection system and method of LED information terminals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910109757A CN101763799B (en) | 2009-11-19 | 2009-11-19 | Remote detection system and method of LED information terminals |
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| CN101763799A CN101763799A (en) | 2010-06-30 |
| CN101763799B true CN101763799B (en) | 2012-10-10 |
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| CN101944276B (en) * | 2010-08-19 | 2016-01-20 | 深圳市中庆微科技开发有限公司 | A kind of LED screen bad point monitoring and pre-alarming method and system |
| CN102163396B (en) * | 2011-01-25 | 2016-05-04 | 刘敬梅 | A kind of LED display system of audio frequency output |
| CN102262847A (en) * | 2011-04-26 | 2011-11-30 | 葛晨阳 | Embedded light-emitting diode (LED) display control system and method for controlling same |
| CN102708772B (en) * | 2012-06-25 | 2015-08-05 | 西安诺瓦电子科技有限公司 | A kind of LED display condition detection method |
| CN104283911A (en) * | 2013-07-03 | 2015-01-14 | 上海信颐电子科技有限公司 | Remote processing system and method for digital signage terminal malfunction |
| CN104795025B (en) * | 2015-04-29 | 2017-10-17 | 西安诺瓦电子科技有限公司 | LED display modules and its condition detection method |
| CN105451419B (en) * | 2015-12-10 | 2018-04-17 | 广州中大中鸣科技有限公司 | A kind of LED lamp is shown and detecting system |
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2009
- 2009-11-19 CN CN200910109757A patent/CN101763799B/en active Active
Non-Patent Citations (1)
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| 张齐等.基于FPGA的LED显示屏逐点检测系统的设计与实现.《液晶与显示》.2008,第23卷(第5期),605-610. * |
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Address after: 1, 4, 2 and 4 buildings, 518103 laser industrial parks, No. 128, Chongqing Road, Baoan District Road, Fuyong street, Shenzhen, Guangdong Applicant after: YAHAM OPTOELECTRONICS Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Minkang Lu Min Xing Industrial Park 4 Applicant before: Shenzhen Yaham Optoelectronics Co.,Ltd. |
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Inventor after: Zhong Tao Inventor after: Zhou Ningjie Inventor after: Wang Zhanming Inventor after: Kuang Ye Inventor before: Zhong Tao Inventor before: Zhou Ningjie Inventor before: Wang Zhanming |
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Inventor after: Kuang Ye Inventor after: Zhong Tao Inventor after: Zhou Ningjie Inventor after: Wang Zhanming Inventor before: Zhong Tao Inventor before: Zhou Ningjie Inventor before: Wang Zhanming Inventor before: Kuang Ye |
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Address after: 518100 Yongwei Industrial Park, No. 118 Yongfu Road, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen City, Guangdong Province, China Patentee after: Shenzhen Yaham Optoelectronics Co.,Ltd. Country or region after: China Address before: 518103, 1st, 2nd, and 4th floors, Building 4, Dahua Laser Industrial Park, No. 128 Chongqing Road, Fuyong Street, Bao'an District, Shenzhen, Guangdong Province Patentee before: YAHAM OPTOELECTRONICS Co.,Ltd. Country or region before: China |
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