CN105044515A - LED display screen module test system - Google Patents
LED display screen module test system Download PDFInfo
- Publication number
- CN105044515A CN105044515A CN201510459982.5A CN201510459982A CN105044515A CN 105044515 A CN105044515 A CN 105044515A CN 201510459982 A CN201510459982 A CN 201510459982A CN 105044515 A CN105044515 A CN 105044515A
- Authority
- CN
- China
- Prior art keywords
- led display
- display module
- table top
- test system
- module
- 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.)
- Pending
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an LED display screen module test system which comprises a test platform, a current detection device, a voltage detection device, an overcurrent protection device, an overvoltage protection device and a power supply module, wherein the current detection device, the voltage detection device, the overcurrent protection device, the overvoltage protection device and the power supply module are arranged on the test platform. The current detection device and the voltage detection device are used for detecting current and voltage values of an LED display screen module in real time. When the current and voltage values of the LED display screen module surpass the maximum current and voltage values respectively, the overcurrent protection device and the overvoltage protection device work and cut off the power supply of the power supply module. The test system allows varies circuit boards to be fixedly arranged on the test platform in the sample testing process, thereby preventing short circuit due to mutual contact, saving space and improving reliability; and the overcurrent and overvoltage protection circuits are added, so that reliability and safety of the system are enhanced.
Description
Technical field
The invention discloses a kind of LED display module group test system, particularly relate to a kind of test macro for the prototyping testing of LED factory, belong to electronic device field.
Background technology
LED industry is the new industry that a kind of fast development is got up.LED display, is widely used in advertising media, stage background, building decoration, transport information, stadiums etc.Along with the LED display market demand is increasing, emerge increasing manufacturer.Although LED display is fast-developing in recent years, because it is as a kind of emerging industry, and each manufacturer is to the undue pursuit of interests, LED display industry is made not have a unified industry standard, therefore, the auxiliary facility of LED display, checkout facility is not well developed.
LED display manufacturer, all according to the condition of oneself company, the requirement of client, researches and develops the product of oneself, delivers goods on schedule as long as can meet, and some middle links do not cause the attention of producer and user.It is reported, most of manufacturer is in whole R&D process, and the standard that especially prototyping testing stage equal neither one is strict, also not having the equipment of specialty, is that slip-stick artist at will builds a test environment mostly, and repeated disassembled and assembled is tested.This test environment temporarily built, on the one hand, external wire harness is too bad too much, takes up room large; On the other hand, because test needs scanning board, transmission board, LED unit plate, power supply etc., these equipment are all arbitrarily placed, some the end of a thread are easily caused to snap on plank because of carelessness, short circuit causes plank to damage, operating personnel encounter power port, easily get an electric shock, and are all a kind of hidden danger to hardware device and personal safety.
Application number is 201310372662.7, and the applying date a kind of LED test board that has been the disclosure of the invention on August 23rd, 2013, comprises support, table top, power pack; Described support comprises base, the first vertical beam, the second vertical beam, crossbeam; Described first vertical beam, the second vertical beam are vertically installed on base, and described first vertical beam, the second vertical beam are parallel to each other; Described crossbeam is arranged between the first vertical beam, the second vertical beam, and one end is connected with the first vertical beam is vertical, and the other end is connected with the second vertical beam is vertical; Described table top comprises the first table top, the second table top that are arranged at described crossbeam both sides, and described first table top, the second table top are vertical with vertical beam when opening; Described power pack is arranged on base; Arrange AC/DC power module in described power pack, the output terminal of described AC/DC power module is arranged at power pack outside.Which solves the problem that LED display prototyping testing does not have speciality platform, there is good value.
Although above-mentioned patent solves the prototyping testing problem of LED display, there is no corresponding protection circuit; easily cause power supply overcurrent or overvoltage, damage is caused to LED display and power supply, have impact on testing efficiency; cause economic loss simultaneously, be unfavorable for the test of LED model machine.
Thus solve the problem concerning LED display research and development test manufacture workshop most important.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of LED display module group test system, and the prototyping testing efficiency efficiently solved in LED display R&D and production process is low, the problem of poor stability.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of LED display module group test system, comprise test board, and the current sensing means be arranged on test board, voltage check device, overcurrent protective device, over-pressure safety device, power module, described LED display module is arranged on test board, described LED display module is connected with power module, described power module and LED display module are all and current sensing means, voltage check device, overcurrent protective device, over-pressure safety device connects, current sensing means, voltage check device detects the electric current of LED display module in real time, magnitude of voltage, when the electric current of LED display module, magnitude of voltage exceedes electric current, voltage max, overcurrent protective device, over-pressure safety device work is cut off the electricity supply the power supply of module.
Described test board comprises support, table top, module fixed mount; Described support comprises base, two vertical beams, crossbeams; Described two vertical beams are vertically installed in the two ends of base, and described crossbeam is arranged between two vertical beams, and all vertically with two vertical beams are connected; Described power pack is arranged on base; Arrange AC/DC power module in described power pack, the output terminal of described AC/DC power module is arranged at power pack outside; Described current sensing means, voltage check device, module fixed mount are arranged on the upside of table top, and power module, overcurrent protective device, over-pressure safety device are arranged at the downside of table top.
Described table top is arranged insulation antistatic backing.
Described crossbeam is arranged at least one control panel, described control panel arranges output port of power source.
Described crossbeam is metal side tube or pvc pipe, and its inside surface, outside surface all arrange insulation course, and described metal side tube or pvc pipe inside are trough, and outside two opposite side surfaces arranges control panel respectively.
Arrange folding rack respectively between described table top and two vertical beams, described folding rack one end is connected with table top, and the other end is connected with vertical beam.
Between described table top and crossbeam, articulating device is set.
Compared with prior art, beneficial effect of the present invention is:
(1) this test macro makes in sample test process, and all kinds of circuit board is all fixedly installed on testing stand, avoids contacting with each other causing short circuit; save space; improve reliability, add overcurrent, overvoltage crowbar, enhance the reliability and security of system.
(2) crossbeam is as trough, and arranges control panel on crossbeam, makes cabling all pass through trough, avoid confusion, impact test, control panel is arranged all kinds of output port of power source, make the cabling between output port to cell board the shortest, facilitate operating personnel's application.
(3) table top is set to folding, has saved storage space, arranges insulation antistatic backing, avoids damaging electronic devices and components in test process.
Embodiment
Below technical scheme of the present invention is described in detail:
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
A kind of LED display module group test system, comprise test board, and the current sensing means be arranged on test board, voltage check device, overcurrent protective device, over-pressure safety device, power module, described LED display module is arranged on test board, described LED display module is connected with power module, described power module and LED display module are all and current sensing means, voltage check device, overcurrent protective device, over-pressure safety device connects, current sensing means, voltage check device detects the electric current of LED display module in real time, magnitude of voltage, when the electric current of LED display module, magnitude of voltage exceedes electric current, voltage max, overcurrent protective device, over-pressure safety device work is cut off the electricity supply the power supply of module.
This test macro makes in sample test process, and all kinds of circuit board is all fixedly installed on testing stand, avoids contacting with each other causing short circuit; save space; improve reliability, add overcurrent, overvoltage crowbar, enhance the reliability and security of system.
Described test board comprises support, table top, module fixed mount; Described support comprises base, two vertical beams, crossbeams; Described two vertical beams are vertically installed in the two ends of base, and described crossbeam is arranged between two vertical beams, and all vertically with two vertical beams are connected; Described power pack is arranged on base; Arrange AC/DC power module in described power pack, the output terminal of described AC/DC power module is arranged at power pack outside; Described current sensing means, voltage check device, module fixed mount are arranged on the upside of table top, and power module, overcurrent protective device, over-pressure safety device are arranged at the downside of table top.
Described table top is arranged insulation antistatic backing.
Described crossbeam is arranged at least one control panel, described control panel arranges output port of power source.
Described crossbeam is metal side tube or pvc pipe, and its inside surface, outside surface all arrange insulation course, and described metal side tube or pvc pipe inside are trough, and outside two opposite side surfaces arranges control panel respectively.
Arrange folding rack respectively between described table top and two vertical beams, described folding rack one end is connected with table top, and the other end is connected with vertical beam.
Between described table top and crossbeam, articulating device is set.
Crossbeam as trough, and arranges control panel on crossbeam, makes cabling all pass through trough, avoid confusion, impact test, control panel is arranged all kinds of output port of power source, make the cabling between output port to cell board the shortest, facilitate operating personnel's application.
The application process of this programme is as follows:
During use, folding rack is opened, make panel be in parastate, circuit board to be tested is positioned on table top, utilize stationary installation to be fixed on table top by circuit board to be tested, connecting power line.Described circuit board to be tested comprises LED lamp bar, LED module.
Scanning board, transmission board are fixed on table top, connecting power line, connect between scanning board and transmission board, surface sweeping plate and to the signal wire between test board, between transmission board and computer.
Testing apparatus is positioned on table top, after energising, can tests.
This test board also comprises controller, and the central processing unit of described controller can be the processors such as 51 series monolithics, FPGA, ARM9 series monolithic, DSP.
The central processing unit of controller adopts ARM9 series monolithic, and ARM framework, be one 32 reduced instruction set computer (RISC) processor architectures, it is widely used in many Embedded System Design.Due to energy-conservation, arm processor is highly suitable for moving communicating field, meets the characteristic that its main design goal is low cost, high-performance, low power consumption.Possesses portable good, compatible good feature simultaneously.
The above is only some embodiments of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a LED display module group test system, it is characterized in that: comprise test board, and the current sensing means be arranged on test board, voltage check device, overcurrent protective device, over-pressure safety device, power module, described LED display module is arranged on test board, described LED display module is connected with power module, described power module and LED display module are all and current sensing means, voltage check device, overcurrent protective device, over-pressure safety device connects, current sensing means, voltage check device detects the electric current of LED display module in real time, magnitude of voltage, when the electric current of LED display module, magnitude of voltage exceedes electric current, voltage max, overcurrent protective device, over-pressure safety device work is cut off the electricity supply the power supply of module.
2. LED display module group test system according to claim 1, is characterized in that: described test board comprises support, table top, module fixed mount; Described support comprises base, two vertical beams, crossbeams; Described two vertical beams are vertically installed in the two ends of base, and described crossbeam is arranged between two vertical beams, and all vertically with two vertical beams are connected; Described power pack is arranged on base; Arrange AC/DC power module in described power pack, the output terminal of described AC/DC power module is arranged at power pack outside; Described current sensing means, voltage check device, module fixed mount are arranged on the upside of table top, and power module, overcurrent protective device, over-pressure safety device are arranged at the downside of table top.
3. LED display module group test system according to claim 2, is characterized in that: described table top is arranged insulation antistatic backing.
4. want the LED display module group test system described in 2 according to right, it is characterized in that: described crossbeam is arranged at least one control panel, described control panel arranges output port of power source.
5. LED display module group test system according to claim 4, it is characterized in that: described crossbeam is metal side tube or pvc pipe, its inside surface, outside surface all arrange insulation course, and described metal side tube or pvc pipe inside are trough, and outside two opposite side surfaces arranges control panel respectively.
6. the LED display module group test system according to any one of claim 2 ~ 5, is characterized in that: arrange folding rack respectively between described table top and two vertical beams, and described folding rack one end is connected with table top, and the other end is connected with vertical beam.
7. LED display module group test system according to claim 6, is characterized in that: arrange articulating device between described table top and crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459982.5A CN105044515A (en) | 2015-07-31 | 2015-07-31 | LED display screen module test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459982.5A CN105044515A (en) | 2015-07-31 | 2015-07-31 | LED display screen module test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105044515A true CN105044515A (en) | 2015-11-11 |
Family
ID=54451201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459982.5A Pending CN105044515A (en) | 2015-07-31 | 2015-07-31 | LED display screen module test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105044515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283722A (en) * | 2021-12-20 | 2022-04-05 | 深圳市华星光电半导体显示技术有限公司 | Screen control method and device, electronic equipment and computer readable storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002035A (en) * | 2010-06-30 | 2012-01-05 | 한국전력공사 | A test assistant device set of digital over current relay using light sensor |
| CN202351416U (en) * | 2011-12-08 | 2012-07-25 | 深圳市奥拓电子股份有限公司 | Ageing rack of LED (Light-emitting Diode) panel lamp |
| CN102651928A (en) * | 2011-02-25 | 2012-08-29 | 黄焕珠 | LED fluorescent lamp with over-voltage protection function |
| CN202548302U (en) * | 2012-03-27 | 2012-11-21 | 深圳市莱福德光电有限公司 | LED power source testing system |
| CN103248108A (en) * | 2013-05-16 | 2013-08-14 | 常州矽能电子科技有限公司 | LED (Light Emitting Diode) driver with MOS (Metal Oxide Semiconductor) tube switching module and reusable DC (Direct Current)-DC (Direct Current) module |
| CN103454525A (en) * | 2013-08-23 | 2013-12-18 | 无锡莱吉特信息科技有限公司 | LED testing table |
| CN103995224A (en) * | 2014-04-18 | 2014-08-20 | 安徽兆利光电科技有限公司 | LED detection system |
-
2015
- 2015-07-31 CN CN201510459982.5A patent/CN105044515A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120002035A (en) * | 2010-06-30 | 2012-01-05 | 한국전력공사 | A test assistant device set of digital over current relay using light sensor |
| CN102651928A (en) * | 2011-02-25 | 2012-08-29 | 黄焕珠 | LED fluorescent lamp with over-voltage protection function |
| CN202351416U (en) * | 2011-12-08 | 2012-07-25 | 深圳市奥拓电子股份有限公司 | Ageing rack of LED (Light-emitting Diode) panel lamp |
| CN202548302U (en) * | 2012-03-27 | 2012-11-21 | 深圳市莱福德光电有限公司 | LED power source testing system |
| CN103248108A (en) * | 2013-05-16 | 2013-08-14 | 常州矽能电子科技有限公司 | LED (Light Emitting Diode) driver with MOS (Metal Oxide Semiconductor) tube switching module and reusable DC (Direct Current)-DC (Direct Current) module |
| CN103454525A (en) * | 2013-08-23 | 2013-12-18 | 无锡莱吉特信息科技有限公司 | LED testing table |
| CN103995224A (en) * | 2014-04-18 | 2014-08-20 | 安徽兆利光电科技有限公司 | LED detection system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114283722A (en) * | 2021-12-20 | 2022-04-05 | 深圳市华星光电半导体显示技术有限公司 | Screen control method and device, electronic equipment and computer readable storage medium |
| CN114283722B (en) * | 2021-12-20 | 2024-08-13 | 深圳市华星光电半导体显示技术有限公司 | Screen control method, device, electronic equipment and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103792481A (en) | Circuit board automatic testing device and circuit board automatic testing method | |
| CN101387581A (en) | Automated verification system for automatic transfer switch electric appliance | |
| CN204974511U (en) | Pencil finished product testing equipment | |
| CN104216328A (en) | Sensor automatic test system | |
| CN103389454A (en) | Startup-and-shutdown test system and method | |
| CN203519789U (en) | Capacitance proximity switch tester | |
| CN105044515A (en) | LED display screen module test system | |
| CN103472408A (en) | LED light bar aging device | |
| CN104049219A (en) | Automatic test instrument for power source test | |
| CN102854453B (en) | Probe-type test fixture | |
| CN103454525A (en) | LED testing table | |
| CN203422432U (en) | LED (light-emitting diode) test bench | |
| CN106526243A (en) | Aging test bench for molded case circuit breaker | |
| CN103353541A (en) | Dual-power supply rapid detection bench | |
| CN104597411A (en) | Comprehensive test equipment for power supply | |
| CN204129132U (en) | A kind of frock tester detecting 090-590000-10TV board | |
| CN203759383U (en) | Display panel tray and high-temperature aging system | |
| CN205120751U (en) | Moulded case circuit breaker aging testing platform | |
| CN207516526U (en) | A kind of LED lamp ageing management workbench | |
| CN204679096U (en) | A kind of product automatic detecting table device | |
| CN103486930A (en) | Detection tool for stand column | |
| CN204479615U (en) | A kind of wiring frame of constant temperature aging test room | |
| CN203101549U (en) | Terminal detection tool | |
| CN205484420U (en) | Novel detect frame | |
| CN104101609B (en) | A kind of visual detection equipment of circuit board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |
|
| RJ01 | Rejection of invention patent application after publication |