Adjustable load light source for testing LED controller

By designing an adjustable load light source for LED controller testing, the problem of inflexibility in existing LED controller testing light sources has been solved. This design enables flexible adjustment of brightness, color, and voltage, improves electromagnetic compatibility and stability, and meets diverse needs.

CN224139171UActive Publication Date: 2026-04-17ZHONGREN (SHENYANG) BEIFANG LAB CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

The lack of an adjustable LED controller test light source in the current technology that can simulate different brightness, color temperature and color results in insufficient electromagnetic compatibility testing of LED controllers and makes it difficult to meet the diverse specifications of LED controllers.

Method used

An adjustable load light source for testing LED controllers has been designed, comprising a light source board, LED chips, dimming control buttons, a power cord interface, and a heat sink. These components enable flexible adjustment of brightness, color, and voltage, provide electromagnetic compatibility, and offer user-friendly connection interfaces for easy connection to testing instruments.

Benefits of technology

It improves the efficiency and quality of LED product development, ensures that LED controllers work normally under various conditions, reduces design defects, enhances electromagnetic compatibility and stability, and meets the needs of different application scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of electromagnetic compatibility of LED controllers, and particularly relates to an adjustable load light source for testing an LED controller, which comprises a light source plate, a lamp bead is arranged at the top of the light source plate, and the bottom of the lamp bead is connected with the top of the light source plate. The adjustable load light source for testing the LED controller is helpful for improving the efficiency and quality of LED product development, can better meet the requirements of clients for light effects, solves potential design defects in advance, is composed of a plurality of LED chips, and each chip can independently control brightness and color, so that the purpose of voltage regulation is achieved, and the service life of the LED controller is prolonged. The output power of the light source can be flexibly adjusted as required by adopting an efficient power supply design, a current adjusting technology and related control keys so as to adapt to different application scenes and requirements, the adjustable load light source needs to have the capacity of adjusting color temperature, and the change from warm white light to cold white light can be realized by mixing light-emitting diodes (LEDs) with different colors.
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Description

Technical Field

[0001] This utility model relates to the field of electromagnetic compatibility technology for LED controllers, specifically to an adjustable load light source for testing LED controllers. Background Technology

[0002] According to relevant testing standards for LED controllers, actual light sources should be used as the basis for testing. Furthermore, LED controllers come in various specifications, and the testing must meet the different light emission and power requirements of each type. Therefore, designing an adjustable load light source with good electromagnetic compatibility is essential.

[0003] By using an adjustable load light source, testers can simulate scenarios with different brightness levels, color temperatures, and color requirements to comprehensively validate the LED controller. Furthermore, load light sources with adjustable brightness, color, and voltage can also be used to calibrate the LED controller, ensuring its output meets expected standards.

[0004] Therefore, we urgently need to provide an adjustable load light source for testing LED controllers. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable load light source for testing LED controllers, in order to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable load light source for testing an LED controller, comprising a light source board, wherein an LED bead is disposed on the top of the light source board, the bottom of the LED bead is connected to the top of the light source board, and a dimming control button is disposed on the top of the light source board, the bottom of the dimming control button is connected to the top of the light source board.

[0007] A further improvement is that a power cord interface is provided on the top of the light source board, the bottom of the power cord interface is connected to the top of the light source board, and a heat sink is provided on the bottom of the light source board, the top of the heat sink is connected to the bottom of the light source board.

[0008] A further improvement is that the number of LED beads is several, and the LED beads are symmetrically distributed on the top of the light source board.

[0009] Compared with the prior art, the beneficial effects of this utility model are:

[0010] 1. This adjustable load light source for testing LED controllers helps improve the efficiency and quality of LED product development and better meets customer requirements for lighting effects. It also reduces potential problems in subsequent production stages and addresses potential design flaws in advance. Composed of multiple LED chips, each chip can independently control brightness and color, thereby regulating voltage to ensure the LED controller functions normally under various conditions. It enables precise control of the light source power. By employing efficient power supply design, current regulation technology, and related control buttons, the output power of the light source can be flexibly adjusted as needed to adapt to different application scenarios and requirements. The adjustable load light source needs to have the ability to adjust color temperature; by mixing different colored light-emitting diodes (LEDs), it can achieve changes from warm white light to cool white light.

[0011] 2. The adjustable load light source used for testing this LED controller emphasizes high reliability design, employing stable circuits and components, as well as a reasonable heat dissipation system. This improves the lifespan and stability of the light source, maintaining consistent lighting performance over extended periods. For ease of use and integration, the adjustable load light source needs to provide user-friendly connection interfaces, such as circuit connection terminals, enabling connection and control with testing instruments. The adjustable load light source is used to verify the electromagnetic compatibility (EMC) of the LED controller; therefore, the designed circuitry and related materials should meet relevant EMC standards and not affect subsequent LED controller testing. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a schematic diagram of the structure of the radiator of this utility model;

[0014] Figure 3 This is a schematic diagram of the circuit structure of this utility model.

[0015] In the diagram: 1. Light source board; 2. LED beads; 3. Dimming control button; 4. Power cord interface; 5. Heat sink. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-3 This utility model provides a technical solution:

[0018] An adjustable load light source for testing LED controllers includes a light source board 1, with LED beads 2 on the top of the light source board 1 and the bottom of the LED beads 2 connected to the top of the light source board 1. A dimming control button 3 is also provided on the top of the light source board 1, with the bottom of the dimming control button 3 connected to the top of the light source board 1.

[0019] A power cord interface 4 is provided on the top of the light source board 1, and the bottom of the power cord interface 4 is connected to the top of the light source board 1. A heat sink 5 is provided on the bottom of the light source board 1, and the top of the heat sink 5 is connected to the bottom of the light source board 1.

[0020] There are several LED beads 2, which are symmetrically distributed on the top of the light source plate 1.

[0021] Adjustable load light source for LED testing, such as Figure 1 As shown, the controller power supply is connected through the power cord interface 4 attached to the light source board 1. The light source board 1 has embedded dimming control buttons 3, each button is marked with a corresponding number, indicating the number of LED strings 2 controlled by the button. When the corresponding button is pressed, the corresponding number of LED strings 2 are lit. Pressing it again changes the color temperature of the LED strings 2. Finally, when the button is released, the LED strings 2 are turned off. When the power is too high during the test, it is cooled by the heat sink 5 installed on the back of the light source board 1, which improves the test efficiency.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. Adjustable load light source for LED controller testing, comprising a light source board (1), characterized in that: The top of the light source board (1) is provided with lamp beads (2), the bottom of the lamp beads (2) is connected to the top of the light source board (1), and the top of the light source board (1) is provided with a dimming control button (3), the bottom of the dimming control button (3) is connected to the top of the light source board (1).

2. The adjustable load light source for LED controller testing of claim 1, wherein: The top of the light source board (1) is provided with a power cord interface (4), the bottom of the power cord interface (4) is connected to the top of the light source board (1), and the bottom of the light source board (1) is provided with a heat sink (5), the top of the heat sink (5) is connected to the bottom of the light source board (1).

3. The adjustable load light source for LED controller testing of claim 1, wherein: The number of lamp beads (2) is several, and the lamp beads (2) are symmetrically distributed on the top of the light source plate (1).