CN212378998U

CN212378998U - LED module optical property detecting system

Info

Publication number: CN212378998U
Application number: CN202021521167.XU
Authority: CN
Inventors: 吴启武
Original assignee: Fujian Shanghang Yada Electronic Technology Co ltd
Current assignee: Fujian Shanghang Yada Electronic Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-01-19
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a LED module optical property detecting system, include: any one of the N LED lamp groups comprises a plurality of LED modules connected in series, and the LED lamp groups are arranged in the light shield, wherein N is a natural number greater than 1; the coding circuit is electrically connected with the LED lamp groups and used for numbering the LED lamp groups; the acquisition circuit is electrically connected with the coding circuit and is used for acquiring the total light brightness of the LED lamp set; the judging circuit is electrically connected with the acquisition circuit and is used for judging whether the total light brightness of the LED lamp set is equal to the preset brightness or not and sending the LED module number which is not equal to the preset brightness to the display circuit; and the display circuit is electrically connected with the judgment circuit and is used for displaying the sent LED module serial number. The utility model discloses LED module optical property detecting system can once detect the luminance of a plurality of LED modules, and efficiency of software testing is high.

Description

LED module optical property detecting system

Technical Field

The utility model relates to a LED lamp performance detects technical field, especially relates to a LED module optical property detecting system.

Background

The LED is a short name of a light-emitting diode, is a solid luminescent substance capable of converting electric energy into light energy, has the trend of gradually replacing the traditional light source due to the advantages of energy conservation and environmental protection, and is an important application in the field of LED illumination.

However, the difference in the photoelectric characteristics of the LEDs often causes the combination of multiple LEDs (such as an LED display screen) to have undesirable phenomena such as inconsistent brightness and poor display quality. Therefore, the LED is required to be brightness tested before being put into use. The conventional LED brightness testing apparatus includes a photo sensor and a display screen, wherein the photo sensor senses brightness of the LED when emitting light, and the display screen displays the measured brightness value of the LED. However, the conventional LED brightness testing device can only detect one LED at a time, and the testing efficiency is not high.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to solving the above-described problems. An object of the utility model is to provide a LED module optical property detecting system in solving above problem.

An LED module optical performance detection system, comprising:

any one of the N LED lamp groups comprises a plurality of LED modules connected in series, and the LED lamp groups are arranged in the light shield, wherein N is a natural number greater than 1;

the coding circuit is electrically connected with the LED lamp groups and used for numbering the LED lamp groups;

the acquisition circuit is electrically connected with the coding circuit and is used for acquiring the total light brightness of the LED lamp set;

the judging circuit is electrically connected with the acquisition circuit and is used for judging whether the total light brightness of the LED lamp set is equal to the preset brightness or not and sending the LED module number which is not equal to the preset brightness to the display circuit;

and the display circuit is electrically connected with the judgment circuit and is used for displaying the sent LED module serial number.

Preferably, the acquisition circuit comprises a plurality of photosensors.

Preferably, the acquisition circuit comprises an analog-to-digital converter, and the analog-to-digital converter is electrically connected with the photoelectric sensor.

Preferably, the system for detecting the optical performance of the LED module further comprises an alarm circuit electrically connected with the judgment circuit and used for alarming the LED lamp bank with problems.

Preferably, the LED module optical performance detection system further includes a communication circuit electrically connected to the judgment circuit for modifying the judgment condition of the judgment circuit.

Preferably, the LED module optical performance detection system comprises at least 2 LED lamp sets, and the LED lamp set comprises at least 4 LED modules.

Preferably, the LED module optical performance detection system includes 3 LED lamp sets, and the LED lamp set includes 4 LED modules.

The utility model discloses LED module optical property detecting system has following technological effect:

this application LED module optical property detecting system can once detect the luminance of a plurality of LED modules, and efficiency of software testing is high, and a N LED banks all places in one shields the cover, effectively avoids the interference of external light to the light that L ED sent, and measuring accuracy is high.

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

Fig. 1 is a diagram schematically illustrating the structure of the optical performance testing system of the LED module according to the present invention;

fig. 2 is a diagram schematically illustrating an embodiment of the optical performance detecting system according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The following describes the optical performance detection system of the LED module in detail with reference to the accompanying drawings.

An object of the utility model is to provide a LED module optical property detecting system, as shown in fig. 1-2, can include:

n LED banks, any all includes a plurality of LED modules of establishing ties, and LED banks sets up in the lens hood, and wherein, N is for being greater than 1 natural number.

And the coding circuit is electrically connected with the LED lamp bank and used for numbering the LED lamp bank.

And the acquisition circuit is electrically connected with the coding circuit and is used for acquiring the total light brightness of the LED lamp bank.

And the judging circuit is electrically connected with the acquisition circuit and is used for judging whether the total light brightness of the LED lamp set is equal to the preset brightness or not and sending the LED module number which is not equal to the preset brightness to the display circuit.

In particular, the acquisition circuit may comprise a plurality of photosensors.

For convenience of illustration, the acquisition circuit may further include an analog-to-digital converter electrically connected to the photosensor.

For the warning, LED module optical property detecting system can also include warning circuit, with judge circuit electric connection for report to the police to the LED banks that have a problem.

In order to modify the detection condition in real time, the LED module optical performance detection system may further include a communication circuit electrically connected to the determination circuit for modifying the determination condition of the determination circuit.

In the actual detection, the LED module optical performance detection system may include at least 2 LED banks, and the LED banks include at least 4 LED modules.

In a preferred embodiment, the LED module optical performance detection system may include 3 LED lamp sets including 4 LED modules.

The working principle of the LED module optical performance detection system is as follows: divide into N LED banks with a plurality of LED modules, utilize the lens hood to separate N LED banks, avoid ambient light to disturb, encode LED banks simultaneously, collection system gathers the total luminance of LED module in the lens hood to send this collection result to judgment circuit and preset scope value and compare, if not within this scope, send wrong LED banks code to display circuit and carry out the wrong demonstration.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.

Claims

1. An LED module optical property detection system, comprising:

the judging circuit is electrically connected with the acquisition circuit and used for judging whether the total light brightness of the LED lamp set is equal to the preset brightness or not and sending the LED module number which is not equal to the preset brightness to the display circuit;

and the display circuit is electrically connected with the judging circuit and is used for displaying the sent LED module serial number.

2. The LED module optical performance detection system of claim 1, wherein the collection circuit comprises a plurality of photosensors.

3. The LED module optical performance detection system of claim 2,

the acquisition circuit comprises an analog-to-digital converter, and the analog-to-digital converter is electrically connected with the photoelectric sensor.

4. The LED module optical performance detection system of claim 1,

the LED module optical performance detection system further comprises an alarm circuit electrically connected with the judgment circuit and used for alarming the LED lamp bank with problems.

5. The LED module optical property detection system of claim 1, wherein the LED module optical property detection system further comprises:

and the communication circuit is electrically connected with the judgment circuit and is used for modifying the judgment condition of the judgment circuit.

6. The LED module optical performance detection system of claim 1,

the LED module optical performance detection system comprises at least 2 LED lamp sets, and each LED lamp set comprises at least 4 LED modules.

7. The LED module optical performance detection system of claim 6,

the LED module optical performance detection system comprises 3 LED lamp sets, and each LED lamp set comprises 4 LED modules.