CN101441852A - Apparatus for collecting display parameter of LED display screen based on wireless digital transmission communication - Google Patents
Apparatus for collecting display parameter of LED display screen based on wireless digital transmission communication Download PDFInfo
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- CN101441852A CN101441852A CNA2008101876258A CN200810187625A CN101441852A CN 101441852 A CN101441852 A CN 101441852A CN A2008101876258 A CNA2008101876258 A CN A2008101876258A CN 200810187625 A CN200810187625 A CN 200810187625A CN 101441852 A CN101441852 A CN 101441852A
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Abstract
The invention relates to a device for acquiring display parameters of an LED display screen based on wireless data transmission communication, wherein an acquisition computer of the device is connected with a display parameter acquisition device through an acquisition data wire; a display control computer is connected with the LED display screen through a data transmission line of the display screen; and the acquisition computer, a first wireless data transmission communication station, a second wireless data transmission communication station and the display control computer form a wireless data transmission communication station communication network. The acquisition computer and the display control computer do not need wired connection, so that the device does not need secondary field wiring, is not influenced by field road surface barriers and so on, reduces the requirement of the device on a field environment, shortens the first-phase preparation time for acquiring the display parameters of the LED display screen, improves the work efficiency and the practicability of the display parameter acquisition device of the LED display screen, and can quickly and conveniently realize acquisition of the display parameters of the LED display screen.
Description
Technical field
The present invention relates to a kind of LED display apparatus for collecting display parameter, particularly a kind of LED display apparatus for collecting display parameter based on wireless digital transmission communication.
Background technology
Existing LED display apparatus for collecting display parameter comprises display parameter collection equipment and main control computer.Display parameter collection equipment is positioned at the place ahead of LED display.Main control computer carries out the data acquisition of display parameter by image data line traffic control display parameter collection equipment, and sends display message by the screen data transmission line to LED display.
Outdoor LED display is installed on the building at the front body usually, and screen is bustling downtown streets below the body.May be separated by by roads such as bicycle lane, car lane, road fence table barrier between display parameter collection equipment and the LED display, the screen data transmission line crosses the street, very easily by the rolling of motor vehicle, trampling of pedestrian and impaired, not only can influence normal traffic order, also can produce interference to gatherer process, practical wiring between individual cases main control computer and the LED display is apart from the effective propagation path of meeting above the screen data transmission line, and field wiring is difficult to satisfy the collection requirement to the LED display display parameter.And on-the-spot main control computer is installed in LED display screen body near-end usually or Long-distance Control is indoor, if carry out the display parameter collection, main control computer need be moved to collection site, has increased the early-stage preparations time of gathering, to very inconvenience of collecting work.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of data transfer mode by radio communication, realize collecting computer with show data message between the control computer communicate by letter the LED display apparatus for collecting display parameter based on wireless digital transmission communication of wireless to realize, remote display parameter information collection.
In order to solve the problems of the technologies described above the LED display apparatus for collecting display parameter display parameter collection equipment based on wireless digital transmission communication of the present invention, collecting computer, first wireless digital broadcasting station, second wireless digital broadcasting station, demonstration control computer; Described collecting computer is connected with display parameter collection equipment by the image data line, shows that control computer is connected with LED display by the screen data transmission line; Collecting computer, first wireless digital broadcasting station, second wireless digital broadcasting station shows control computer composition wireless digital broadcasting station communication network;
Described collecting computer receives the command information that can gather that shows that control computer sends, gather the display parameter information of LED display by image data line traffic control display parameter collection equipment, and by the wireless digital broadcasting station communication network to showing that control computer sends the demonstration control command.
Described demonstration control computer is used to receive the demonstration control command that collecting computer sends, decode to showing control command, produce display message, display message is shown to LED display by the screen data transmission line, and send the command information that to gather to collecting computer.
Described first wireless digital broadcasting station and second wireless digital broadcasting station are used to realize the data transmission of wireless digital broadcasting station communication network.
Advantage of the present invention:
1) data communication of the described wireless digital broadcasting station communication network of employing, compare with other communication (bluetooth, infrared etc.), it has long transmission distance, effective propagation path is greater than 200 meters, transmission speed is fast, strong interference immunity, and it is low to form hardware cost, do not need hardware is carried out secondary development, only need simple configuration to use; The exploitation of wireless digital broadcasting station data communication software is simple, is easy to realize.
2) described collecting computer and showing between the control computer without any need for wired connection, do not need secondary wiring at the scene, not influenced by on-the-spot road table barrier etc., reduced the requirement of device to site environment, shortened LED display has been carried out the early-stage preparations time that display parameter are gathered, improve work efficiency, improved the practicality of LED display apparatus for collecting display parameter;
3) do not change on-the-spot original main control computer position, only main control computer need be connected with second wireless digital broadcasting station and promptly can be used as the demonstration control computer, by the wireless digital broadcasting station communication network realize with collecting computer between the communicating by letter of data messages such as wireless, remote display command, control command, thereby the collection of realization LED display display parameter easily and fast.
Described first wireless digital broadcasting station and second wireless digital broadcasting station adopt half-duplex wireless digital broadcasting station or full duplex radio data radio station.
Described collecting computer adopts first interface line to be connected with first wireless digital broadcasting station, shows that control computer adopts second interface line and second wireless digital broadcasting station; First interface line and second interface line adopt RS232 interface connecting line, USB interface connecting line or RJ45 interface connecting line.
In order to receive and send wireless signal better, first wireless digital broadcasting station and second wireless digital broadcasting station can adopt the high power omnidirectional antenna.
Described apparatus for collecting display parameter is the high resolving power area array CCD camera.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the LED display apparatus for collecting display parameter structured flowchart of prior art.
Fig. 2 is the LED display apparatus for collecting display parameter structured flowchart based on wireless digital transmission communication of the present invention.
Fig. 3 is the LED display apparatus for collecting display parameter red primary light tone degree gatherer process process flow diagram based on wireless digital transmission communication of the present invention.
Fig. 4 is the application software process flow diagram of the LED display apparatus for collecting display parameter based on wireless digital transmission communication of the present invention.
Embodiment
As shown in Figure 1, the LED display apparatus for collecting display parameter of prior art is connected with apparatus for collecting display parameter 101, image data line 102, main control computer 103, screen data transmission line 104, LED display 105 in turn.Apparatus for collecting display parameter 101 is positioned at the place ahead of LED display 104.Main control computer 103 carries out the display parameter collection and sends display message by screen data transmission line 103 to LED display 104 by image data line 102 control apparatus for collecting display parameter 101.
As shown in Figure 2, LED display apparatus for collecting display parameter based on wireless digital transmission communication of the present invention is connected with apparatus for collecting display parameter 101, image data line 102, collecting computer 201, first interface line 202, first wireless digital broadcasting station 203, first antenna 204, second antenna 205, second wireless digital broadcasting station 206, second interface line 207 in turn, shows control computer 207, screen data transmission line 104, LED display 105.
Described first interface line 202 is a RS232 interface connecting line.
Described first wireless digital broadcasting station 203 is that 227MHz-233MHz, transmission range are the full duplex radio data radio station of 2-3 kilometer, RS232 interface for frequency.
First wireless digital broadcasting station 203 can also adopt the full duplex radio data radio station or the half-duplex wireless digital broadcasting station of USB interface or RJ45 interface.
Described first antenna 204 is the 229MHz omnidirectional antenna.
Described second interface line 207 is a RS232 interface connecting line.
Described second wireless digital broadcasting station 206 is that 227MHz-233MHz, transmission range are the full duplex radio data radio station of 2-3 kilometer, RS232 interface for frequency.
Second wireless digital broadcasting station 206 can also adopt the full duplex radio data radio station or the half-duplex wireless digital broadcasting station of USB interface or RJ45 interface.
Described second antenna 205 is the 229MHz omnidirectional antenna.
First wireless digital broadcasting station 203 and second wireless digital broadcasting station 207 are by configuration, make collecting computer 201 and show control computer 208 composition wireless digital broadcasting station communication networks, be used to realize data message communications such as wireless, remote display command, control command.
Described apparatus for collecting display parameter 101 is the high resolving power area array CCD camera, be positioned at the place ahead of LED display 105, the distance between apparatus for collecting display parameter 101 and the LED display 105 should be able to guarantee to finish the disposable collection of light tone degree information of LED display pixel of effective viewing area of LED display 105.Image data line 102 is 1394 data lines.
The data communication mode of the wireless digital broadcasting station communication network between described collecting computer 201 and the demonstration control computer 204 adopts the Point-to-Point Data communication mode.
As shown in Figure 3, as follows based on the red primary light tone degree gatherer process of the LED display apparatus for collecting display parameter of wireless digital transmission communication:
Described collecting computer 201 sends red primary by the wireless digital broadcasting station communication network to demonstration control computer 208 and shows control command;
Described demonstration control computer 205 receives red primary and shows control command, and red primary demonstration control command is decoded, and generates the corresponding red primary video data that is used for LED display 105;
Described demonstration control computer 205 is transferred to LED display 105 with the red primary video data by screen data transmission line 104 and shows;
Described demonstration control computer 205 sends the command information that can gather by the wireless digital broadcasting station communication network to collecting computer 201;
After described collecting computer 201 receives the command information that can gather, the red primary light tone degree information of 101 pairs of LED display of control apparatus for collecting display parameter is gathered, and the red primary light tone degrees of data information that collects is saved on the hard disk of collecting computer 201 with certain naming method.
So far finish the light tone degree gatherer process of red primary.
As shown in Figure 4, the application software flow process of the LED display apparatus for collecting display parameter based on wireless digital transmission communication of the present invention is as follows:
The demonstration control command of red primary, green primary, blue primary is input to collecting computer 201;
Finish the collection of red primary light tone degree information;
Finish the collection of green primary light tone degree information;
Finish the collection of blue primary light tone degree information;
Finish.
In sum, the object of the present invention is to provide a kind of LED display apparatus for collecting display parameter based on wireless digital transmission communication, data transfer mode by the wireless digital broadcasting station communication network, realize the communication of data message between collecting computer and the demonstration control computer, the collection of wireless to realize, remote LED display display parameter.Hardware cost is low, and software is easy to exploitation.Do not need at the scene the secondary wiring, not influenced by on-the-spot road table barrier etc., reduced the requirement of system, shortened LED display is carried out the early-stage preparations time that display parameter are gathered, improved the practicality of harvester site environment.The present invention is economical and practical, has brought convenience for the collection in worksite of LED display display parameter information, has improved the work efficiency of LED display display parameter information collection in worksite greatly.
Claims (4)
1, a kind of LED display apparatus for collecting display parameter based on wireless digital transmission communication, comprise display parameter collection equipment (101), it is characterized in that also comprising collecting computer (201), first wireless digital broadcasting station (203), second wireless digital broadcasting station (206) shows control computer (208); Described collecting computer (201) is connected with display parameter collection equipment (101) by image data line (102), shows that control computer (205) is connected with LED display (105) by the screen data transmission line; Collecting computer (201), first wireless digital broadcasting station (203), second wireless digital broadcasting station (206) shows control computer (208) composition wireless digital broadcasting station communication network;
Described collecting computer receives the command information that can gather that shows that control computer sends, gather the display parameter information of LED display by image data line traffic control display parameter collection equipment, and by the wireless digital broadcasting station communication network to showing that control computer sends the demonstration control command.
Described demonstration control computer is used to receive the demonstration control command that collecting computer sends, decode to showing control command, produce display message, display message is shown to LED display by the screen data transmission line, and send the command information that to gather to collecting computer.
2, the LED display apparatus for collecting display parameter based on wireless digital transmission communication according to claim 1 is characterized in that described first wireless digital broadcasting station (203) and second wireless digital broadcasting station (206) adopt half-duplex wireless digital broadcasting station or full duplex radio data radio station.
3, the LED display apparatus for collecting display parameter based on wireless digital transmission communication according to claim 2, it is characterized in that described collecting computer (201) adopts first interface line (202) to be connected with first wireless digital broadcasting station (203), show that control computer (208) adopts second interface line (205) and second wireless digital broadcasting station (206); First interface line (202) and second interface line (205) adopt RS232 interface connecting line, USB interface connecting line or RJ45 interface connecting line.
4, the LED display apparatus for collecting display parameter based on wireless digital transmission communication according to claim 1 is characterized in that the antenna on described first wireless digital broadcasting station (203) and second wireless digital broadcasting station (206) adopts the high power omnidirectional antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101876258A CN101441852B (en) | 2008-12-29 | 2008-12-29 | Apparatus for collecting display parameter of LED display screen based on wireless digital transmission communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101876258A CN101441852B (en) | 2008-12-29 | 2008-12-29 | Apparatus for collecting display parameter of LED display screen based on wireless digital transmission communication |
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| CN101441852A true CN101441852A (en) | 2009-05-27 |
| CN101441852B CN101441852B (en) | 2011-05-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123287A (en) * | 2010-12-30 | 2011-07-13 | 中国科学院长春光学精密机械与物理研究所 | Method for acquiring luminance and chrominance parameters of LED display screen in non line-by-line manner |
| CN103249226A (en) * | 2013-04-28 | 2013-08-14 | 浙江晶日照明科技有限公司 | LED control bus communication method |
| CN103714768A (en) * | 2012-09-29 | 2014-04-09 | 西安诺瓦电子科技有限公司 | Method for uploading correction coefficients of LED screen based on video interface |
| CN113949799A (en) * | 2021-10-14 | 2022-01-18 | 西安现代控制技术研究所 | Low-cost remote serial port image transmission device |
| CN114677973A (en) * | 2020-12-24 | 2022-06-28 | 元太科技工业股份有限公司 | Electrophoretic display device and driving method thereof |
-
2008
- 2008-12-29 CN CN2008101876258A patent/CN101441852B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102123287A (en) * | 2010-12-30 | 2011-07-13 | 中国科学院长春光学精密机械与物理研究所 | Method for acquiring luminance and chrominance parameters of LED display screen in non line-by-line manner |
| CN102123287B (en) * | 2010-12-30 | 2012-06-27 | 中国科学院长春光学精密机械与物理研究所 | Method for acquiring luminance and chrominance parameters of LED display screen in non line-by-line manner |
| CN103714768A (en) * | 2012-09-29 | 2014-04-09 | 西安诺瓦电子科技有限公司 | Method for uploading correction coefficients of LED screen based on video interface |
| CN103249226A (en) * | 2013-04-28 | 2013-08-14 | 浙江晶日照明科技有限公司 | LED control bus communication method |
| CN103249226B (en) * | 2013-04-28 | 2015-02-18 | 浙江晶日照明科技有限公司 | LED control bus communication method |
| CN114677973A (en) * | 2020-12-24 | 2022-06-28 | 元太科技工业股份有限公司 | Electrophoretic display device and driving method thereof |
| CN113949799A (en) * | 2021-10-14 | 2022-01-18 | 西安现代控制技术研究所 | Low-cost remote serial port image transmission device |
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| CN101441852B (en) | 2011-05-18 |
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Effective date of registration: 20200923 Address after: No.488 Chaoyue street, high tech Development Zone, Changchun City, Jilin Province Patentee after: CHANGCHUN CEDAR ELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 130033, 16 southeast Lake Road, Jilin, Changchun Patentee before: Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences |
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