CN205157751U - LED pilot lamp tester based on CCD - Google Patents
LED pilot lamp tester based on CCD Download PDFInfo
- Publication number
- CN205157751U CN205157751U CN201520924012.3U CN201520924012U CN205157751U CN 205157751 U CN205157751 U CN 205157751U CN 201520924012 U CN201520924012 U CN 201520924012U CN 205157751 U CN205157751 U CN 205157751U
- Authority
- CN
- China
- Prior art keywords
- ccd
- led
- interface
- controller
- led light
- 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.)
- Expired - Fee Related
Links
Landscapes
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
The utility model discloses a LED pilot lamp tester based on CCD, including controller, test output interface, network interface, peripheral hardware interface and CCD module, test output interface and peripheral hardware interface are connected to the output of controller, and the controller is connected with CCD module and network interface both -way communication respectively, and the peripheral hardware interface is connected with external equipment. The tester still sets up a reputation indicating circuit and a LCD touch -sensitive screen. The utility model discloses a give and lighted LED by the certain signal of voltage and current of survey LED, then survey LED with CCD to the quilt and carry out image recognition, then judge whether correct its colour is to output feedback signal give outside equipment, the biggest advantage of using CCD be can simultaneous measurement a plurality of LED pilot lamps, especially paster LED, whole simple structure, whether ability convenient and fast's discernment LED welds and turns over or the mistake dress improvement efficiency of software testing.
Description
Technical field
The utility model relates to testing apparatus, particularly relates to a kind of LED light tester based on CCD.
Background technology
In general, every block network interface card all has the LED(LightEmittingDiode light emitting diode of more than 1) pilot lamp, be used for representing the different operating state of network interface card, check that to facilitate us whether network interface card is working properly.Typical LED light has Link/Act, Full, Power etc.Link/Act represents connection active state, and Full represents whether dfd full duplex (FullDuplex), and Power is power supply instruction etc.
LED, as pilot lamp widespread use, as in a network interface, needs to use two bi-colour lights to carry out the indicative function of network connection.But in process of production, usually there is LED weldering situation that is anti-or dress by mistake.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of based on CCD(CCD, English full name: Charge-coupledDevice, Chinese full name: charge coupled cell.Can ccd image sensor be called, also be image controller) LED light tester, total is simple, conveniently can identify whether LED welds anti-or dress by mistake, improves testing efficiency.
In order to achieve the above object, the technical solution adopted in the utility model is:
Based on a LED light tester of CCD, comprise controller, test output interface, network interface, Peripheral Interface and CCD module; The output terminal connecting test output interface of controller and Peripheral Interface, controller is connected with CCD module and network interface two-way communication respectively, and Peripheral Interface is connected with external unit.
As preferred embodiment of the present utility model, controller described in the utility model is made up of STM32F407 chip.
As preferred embodiment of the present utility model, CCD module described in the utility model is made up of OV7670.
As preferred embodiment of the present utility model, network interface described in the utility model is made up of the network interface based on HLK-RM04.
As preferred embodiment of the present utility model, Peripheral Interface described in the utility model is used for external unit simple directly interconnected, is made up of two digital-quantity input interface and two digital-quantity output interface.
As preferred embodiment of the present utility model, tester described in the utility model also arranges an acousto-optic indicating circuit, and described acousto-optic indicating circuit input end is connected with controller output end.
As preferred embodiment of the present utility model, acousto-optic indicating circuit described in the utility model is made up of hummer and light emitting diode.
As preferred embodiment of the present utility model, tester described in the utility model also arranges a LCD touch screen, and described LCD touch screen input end is connected with controller output end.
As preferred embodiment of the present utility model, LCD touch screen described in the utility model is shielded by the TFT of 320*128 and the combination of touch screen driver ADS7846 is formed.
Compared with prior art, the beneficial effects of the utility model are: light LED by giving the certain voltage and current signal of tested LED, then with CCD, image recognition is carried out to tested LED, then judge that whether its color is correct, and output feedback signal gives outside equipment; Simultaneously the great advantage using CCD to measure the LED of multiple LED light, particularly paster; Total is simple, conveniently can identify whether LED welds anti-or fill by mistake, improves testing efficiency.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Embodiment
Purport of the present utility model is to overcome the deficiencies in the prior art, provides a kind of LED light tester based on CCD, have can be interconnected with automation equipment LED color measuring instrument, conveniently identify whether LED welds anti-or dress by mistake.
Be described in detail, to be interpretated more in-depth technical characteristic of the present utility model and advantage with reference to accompanying drawing below in conjunction with embodiment.
As shown in Figure 1, a kind of LED light tester based on CCD, comprises controller, test output interface, network interface, Peripheral Interface and CCD module to one-piece construction schematic diagram of the present utility model; The output terminal connecting test output interface of controller and Peripheral Interface, controller is connected with CCD module and network interface two-way communication respectively, and Peripheral Interface is connected with external unit.As shown in Figure 1, tester is the system core with STM32F407, is configured with the LCD touch screen of CCD, 320*128, the network interface based on HLK-RM04, test output interface, module such as feedback outputs, acousto-optic instruction etc. form.
Preferably, CCD module described in the utility model is made up of OV7670, is responsible for the tested LED of shooting, and analyzes the color of its light.Described network interface is made up of the network interface based on HLK-RM04, can be used for uploading with multimachine of measurement data interconnected.Peripheral Interface described in the utility model is used for external unit simple directly interconnected, is made up of two digital-quantity input interface and two digital-quantity output interface.Input interface is mainly used for external unit to the enabling signal of the test of this instrument and stop signal, and output interface is mainly used for the measurement result feeding back to the tested LED of external unit, as qualified and defective etc.
In order to remind tester, feedback test result, tester described in the utility model also arranges an acousto-optic indicating circuit, and described acousto-optic indicating circuit input end is connected with controller output end.Acousto-optic indicating circuit described in the utility model is made up of hummer and light emitting diode.Hummer sounding is adopted to carry out the prompting of qualified and underproof measurement result; Carry out operation instruction with LED, measure qualified and measure defective instruction.
Tester described in the utility model also arranges a LCD touch screen for showing test results and test case, and described LCD touch screen input end is connected with controller output end.Described LCD touch screen is shielded by the TFT of 320*128 and the combination of touch screen driver ADS7846 is formed, and inputs and operation for display measurement information and perception user.
Test philosophy of the present utility model is as follows: by lighting LED to the certain voltage and current signal of tested LED, then carry out image recognition with CCD to tested LED, then judge that whether its color is correct, and output feedback signal gives outside equipment.Simultaneously the great advantage using CCD to measure multiple LED light (particularly the LED of paster).
Carry out clear, complete description by the technical scheme in above embodiment to the utility model, obviously described embodiment is the embodiment of the utility model part, 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.
Claims (9)
1. based on a LED light tester of CCD, it is characterized in that: comprise controller, test output interface, network interface, Peripheral Interface and CCD module; The output terminal connecting test output interface of controller and Peripheral Interface, controller is connected with CCD module and network interface two-way communication respectively, and Peripheral Interface is connected with external unit.
2. the LED light tester based on CCD according to claim 1, is characterized in that: described controller is made up of STM32F407 chip.
3. the LED light tester based on CCD according to claim 2, is characterized in that: described CCD module is made up of OV7670.
4. the LED light tester based on CCD according to claim 3, is characterized in that: described network interface is made up of the network interface based on HLK-RM04.
5. the LED light tester based on CCD according to claim 4, is characterized in that: described Peripheral Interface is used for external unit simple directly interconnected, is made up of two digital-quantity input interface and two digital-quantity output interface.
6. the LED light tester based on CCD according to any one of claim 1-5, is characterized in that: described tester also arranges an acousto-optic indicating circuit, and described acousto-optic indicating circuit input end is connected with controller output end.
7. the LED light tester based on CCD according to claim 6, is characterized in that: described acousto-optic indicating circuit is made up of hummer and light emitting diode.
8. the LED light tester based on CCD according to any one of claim 1-5, is characterized in that: described tester also arranges a LCD touch screen, described LCD touch screen input end is connected with controller output end.
9. the LED light tester based on CCD according to claim 8, is characterized in that: described LCD touch screen is shielded by the TFT of 320*128 and the combination of touch screen driver ADS7846 is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924012.3U CN205157751U (en) | 2015-11-18 | 2015-11-18 | LED pilot lamp tester based on CCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924012.3U CN205157751U (en) | 2015-11-18 | 2015-11-18 | LED pilot lamp tester based on CCD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157751U true CN205157751U (en) | 2016-04-13 |
Family
ID=55693430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520924012.3U Expired - Fee Related CN205157751U (en) | 2015-11-18 | 2015-11-18 | LED pilot lamp tester based on CCD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157751U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226816A (en) * | 2017-11-30 | 2018-06-29 | 群光电子(苏州)有限公司 | A kind of equipment of proved keyboard LED light function |
| CN108318806A (en) * | 2018-02-13 | 2018-07-24 | 中山职业技术学院 | A kind of control panel working station indicator detection device |
-
2015
- 2015-11-18 CN CN201520924012.3U patent/CN205157751U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226816A (en) * | 2017-11-30 | 2018-06-29 | 群光电子(苏州)有限公司 | A kind of equipment of proved keyboard LED light function |
| CN108318806A (en) * | 2018-02-13 | 2018-07-24 | 中山职业技术学院 | A kind of control panel working station indicator detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205157751U (en) | LED pilot lamp tester based on CCD | |
| CN203870187U (en) | Secondary cable intelligent line inspection instrument | |
| CN203433090U (en) | Tooling circuit of automatic board-detecting needle bed used for single-phase intelligent electric energy meter | |
| CN104865482A (en) | High-precision duplex potentiometer electrical parameter comprehensive detector | |
| CN104090205B (en) | A kind of cable connection test circuit | |
| CN203224588U (en) | Connecting line detector | |
| CN210401584U (en) | Circuit board on-line measuring system | |
| CN104297614A (en) | Short-circuit testing device and method for segment code type liquid crystal display module | |
| CN209946352U (en) | HiL wire harness testing device | |
| CN203310963U (en) | Simple LED photoelectric characteristic test system | |
| CN202994903U (en) | Hand-held digital display phase checking device | |
| CN205643589U (en) | Snap judgments coaxial cable BNC radio frequency head fault type's indicator | |
| CN205680410U (en) | Display screen tests device | |
| CN210119549U (en) | LED lamp automatic identification system applied to production line | |
| CN209571216U (en) | A kind of LED display mould group automatic white balance debugging system | |
| CN204291572U (en) | Novel backlight FPC anti-interference structure | |
| CN204405814U (en) | A kind of electronic load tester with power meter function | |
| CN206892300U (en) | A kind of LED lamp detection means | |
| CN203287492U (en) | Test board for testing X121 input/output port of numeric control unit | |
| CN208223642U (en) | A kind of luminance meter | |
| CN206557757U (en) | A kind of server test plate | |
| CN203181322U (en) | Intelligent self-check device for LED lamps | |
| CN103712693A (en) | Color recognition method and device | |
| CN107255768A (en) | A kind of electric power connector cable detecting device | |
| CN204964556U (en) | Light a lamp and circuit resistance test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161118 |