CN206038839U

CN206038839U - LED lamp detecting system

Info

Publication number: CN206038839U
Application number: CN201620925996.1U
Authority: CN
Inventors: 邱诗照
Original assignee: Shenzhen Xinguodu Payment Technology Co Ltd
Current assignee: Shenzhen Xinguodu Payment Technology Co Ltd; Shenzhen Xinguodu Tech Co Ltd
Priority date: 2016-08-23
Filing date: 2016-08-23
Publication date: 2017-03-22
Anticipated expiration: 2026-08-23

Abstract

The utility model discloses a LED lamp detecting system, LED lamp detecting system include the power, wait to detect the LED lamp, with the color filter, photosensitive sensor and the testing result indicating circuit that wait to detect LED lamp same colour, photosensitive sensor and testing result indicating circuit are connected, the power is for waiting to detect LED lamp and photosensitive sensor power supply, wait to detect LED lamp circular telegram back, the light transmission color filter that sends throws on photosensitive sensor. The utility model relates to a LED lamp detecting system passes through the quality that color filter, photosensitive sensor and testing result indicating circuit can judge the LED lamp automatically, and the protection eyes improve LED lamp detection efficiency. The utility model relates to a LED lamp detecting system, but wide application in LED lamp illumination field.

Description

A kind of LED detecting system

Technical field

This utility model is related to LED lighting field, especially a kind of LED detecting system.

Background technology

At present, LED obtains more and more widely should due to its low in energy consumption, functional, various colors and low cost With being for example applied to ad decoration field and lighting field.

In LED manufacturing or the industry using LED, it is often necessary to detect the quality of LED.It is general to survey During examination, LED be powered after by human eye recognizing glow color and the quality of LED, long period of operation easily causes eyestrain And visual deterioration, do not meet national security production specification；And test speed is slow, detection efficiency is low, so asking for this It is very necessary that topic carries out improvement.

Utility model content

In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of is capable of the good of automatic decision LED Bad, protect eyes improve the LED detecting system of LED detection efficiency.

The technical scheme adopted by this utility model is：A kind of LED detecting system, the LED detecting system include Power supply, the color filter of LED to be detected and LED solid colour to be detected, light sensor and testing result indicate electricity Road；The light sensor is connected with testing result indicating circuit, and the power supply is that LED to be detected is supplied with light sensor Electricity, after the LED to be detected is powered, the light transmission color filter for sending is incident upon on light sensor.

Further, light sensor includes photoconductive resistance, light sensitive diode or phototriode.

Further, the testing result indicating circuit includes processing module and indicator, the light sensor it is defeated Go out end to be connected with the input of processing module, the outfan of the processing module is connected with the input of indicator, the process Module includes amplifier or microprocessor.

Further, the indicator includes buzzer, loudspeaker or LED.

Further, the power supply is powered for LED to be detected by on-off circuit.

Further, the color filter includes Red lightscreening plate, yellow filter, green color filter or blue filter Piece.

Further, the LED detecting system also include current-limiting resistance, the current-limiting resistance respectively with LED to be detected Lamp, light sensor connection.

The beneficial effects of the utility model are：A kind of LED detecting system of this utility model is by color filter, photosensitive Sensor and testing result indicating circuit are capable of the quality of automatic decision LED, and protect eyes improve LED detection efficiency.

Description of the drawings

Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further：

Fig. 1 is a kind of structured flowchart of LED detecting system of this utility model；

Fig. 2 is an a kind of specific embodiment circuit diagram of LED detecting system of this utility model.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combine.

A kind of LED detecting system, with reference to Fig. 1, Fig. 1 is a kind of structured flowchart of LED detecting system of this utility model, The LED detecting system includes the power supply, color filter of LED to be detected and LED solid colour to be detected, photosensitive Sensor and testing result indicating circuit；The light sensor is connected with testing result indicating circuit, and the power supply is to be checked Survey LED to power with light sensor, after the LED to be detected is powered, the light transmission color filter for sending is incident upon light On dependent sensor.

In the present embodiment, a kind of course of work of LED detecting system is as follows：LED electrified light emitting to be detected, it is to be checked The light sent by the LED of survey is incident upon on light sensor through color filter, the optical filter of different colours from it is different The LED to be detected of color is corresponded, and the color filter includes Red lightscreening plate, yellow filter, green color filter Or blue color filter, the optical filter of the LED using green of green is for example detected, a kind of optical filter of color can only allow color Pass through with the light of optical filter solid colour, light sensor is turned on when having detected light, that is, represent that LED to be detected lights Normally, testing result indicating circuit work when light sensor is turned on, testing result indicating circuit indicate LED to be detected for just Normal；When testing result indicating circuit does not work, i.e., light sensor is not turned on, and shows that LED to be detected does not light, to be checked Survey LED is poor products, and LED to be detected has to be damaged or glow color mistake.This utility model is capable of automatic decision LED Quality, judges the glow color of LED without the need for human eye, and protect eyes improve LED detection efficiency.

Used as the further improvement of technical scheme, light sensor includes photoconductive resistance, light sensitive diode or photosensitive three pole Pipe.

In this utility model, light sensor for detecting whether there is light to inject, can using photoconductive resistance, photosensitive two Realizing, specifically, with reference to Fig. 2, Fig. 2 is a kind of LED detection of this utility model to the light sensors such as pole pipe, phototriode One specific embodiment circuit diagram of system, using phototriode Q1 as light sensor, in the present embodiment, when photosensitive three Pole pipe Q1 has detected light when injecting, and is input to the signal change of testing result indicating circuit, testing result indicating circuit root Work according to signal intensity and indicate testing result.

Used as the further improvement of technical scheme, the testing result indicating circuit includes processing module and indicator, institute State the outfan of light sensor to be connected with the input of processing module, the outfan of the processing module and the input of indicator End connection, the processing module include amplifier or microprocessor.

Testing result indicating circuit realizes LED detection system for indicating testing result according to the break-make of light sensor System shows testing result automatically.In the present embodiment, with reference to Fig. 2, Fig. 2 is the one of a kind of LED detecting system of this utility model Specific embodiment circuit diagram, processing module include microprocessor CPU, when phototriode Q1 detects light to be turned on, input Signal to microprocessor CPU changes, and changes over negative level by positive level, and microprocessor CPU changes according to level signal The signal of controlled output to indicator, when level changes, output control signal control indicator work, microprocessor The control signal of CPU outputs Jing after audion Q2 amplifications can actuation indicator work, i.e., when LED to be detected is normal, indicate Device works；Otherwise indicator does not work.

In addition, processing module can also be amplifier, specifically, light sensor adopts light sensitive diode or photosensitive electricity Resistance is realized, after light sensitive diode or photoconductive resistance detect light to be turned on, signal is after amplifier amplification, you can drive finger Show that device works.

Used as the further improvement of technical scheme, the indicator includes buzzer, loudspeaker or LED.

In the present embodiment, with reference to Fig. 2, Fig. 2 is a kind of specific embodiment electricity of LED detecting system of this utility model Lu Tu, indicator are realized using loudspeaker, and when phototriode Q1 has detected light, loudspeaker work sends sound, and expression is treated Detection LED be it is normal intact, otherwise, loudspeaker not sounding, LED to be detected is poor products.Further, it is also possible to adopt buzzer Replace loudspeaker with LED, the course of work of buzzer or LED and the course of work of loudspeaker are identical after replacement, when photosensitive biography When sensor has detected light, buzzer works and sends sound, or LED works luminous, can using red, green or its The LED of his color is realizing.

Used as the further improvement of technical scheme, the power supply is powered for LED to be detected by on-off circuit.

During actually detected, by whether increasing power supply that on-off circuit controls LED to be detected, detection process is improved Safety.With reference to Fig. 2, Fig. 2 is an a kind of specific embodiment circuit diagram of LED detecting system of this utility model, in this reality Apply in example, on-off circuit is realized using key switch.

Used as the further improvement of technical scheme, the LED detecting system also includes current-limiting resistance, the current-limiting resistance It is connected with LED to be detected, light sensor respectively.

In side circuit, it is often necessary to increase current-limiting resistance to limit the electricity for flowing through LED to be detected and light sensor Stream size, plays a part of protection LED to be detected and light sensor, and with reference to Fig. 2, Fig. 2 is a kind of LED of this utility model One specific embodiment circuit diagram of detecting system, in the present embodiment, except respectively with LED D1 to be detected and phototriode Outside current-limiting resistance R1, R2 and R3 of Q1 connections, also include for limiting the current-limiting resistance R4 for flowing through amplifier Q2 size of current.

It is more than that preferable enforcement of the present utility model is illustrated, but the invention is not limited to the reality Example is applied, those of ordinary skill in the art can also make a variety of equivalent variations on the premise of without prejudice to this utility model spirit Or replace, the deformation or replacement of these equivalents are all contained in the application claim limited range.

Claims

1. a kind of LED detecting system, it is characterised in that the LED detecting system includes power supply, LED to be detected and treats The color filter of detection LED solid colour, light sensor and testing result indicating circuit；The light sensor and inspection The connection of result indicating circuit is surveyed, the power supply is powered with light sensor for LED to be detected, the LED to be detected is powered Afterwards, the light transmission color filter for sending is incident upon on light sensor.

2. LED detecting system according to claim 1, it is characterised in that light sensor includes photoconductive resistance, photosensitive Diode or phototriode.

3. LED detecting system according to claim 1, it is characterised in that the testing result indicating circuit includes place Reason module and indicator, the outfan of the light sensor are connected with the input of processing module, the processing module it is defeated Go out end to be connected with the input of indicator, the processing module includes amplifier or microprocessor.

4. LED detecting system according to claim 3, it is characterised in that the indicator include buzzer, loudspeaker or LED.

5. the LED detecting system according to any one of Claims 1-4, it is characterised in that the power supply is by switching electricity Road powers for LED to be detected.

6. LED detecting system according to claim 5, it is characterised in that the color filter includes red filter Piece, yellow filter, green color filter or blue color filter.

7. LED detecting system according to claim 6, it is characterised in that the LED detecting system also includes current limliting Resistance, the current-limiting resistance are connected with LED to be detected, light sensor respectively.