Universal power supply control box for detecting light-emitting LED (light-emitting diode)

Abstract

The utility model discloses a universal power supply control box used for luminous LED detection, and specifically relates to the technical field of luminous LED detection, the universal power supply control box comprises a power supply control box body, the front end portion of the power supply control box body is provided with a current and voltage test display screen, one side of the current and voltage test display screen is provided with a good product indicating lamp, and the other side of the current and voltage test display screen is provided with a good product indicating lamp. One side of the qualified product indicating lamp is provided with a voltage adjusting knob, a voltage value display screen is arranged below the qualified product indicating lamp, one side of the voltage value display screen is provided with a loudspeaker port, the side wall of the power supply control box body is provided with a red meter pen, and one side of the red meter pen is provided with a black meter pen. According to the utility model, the working current of the main circuit is detected under the condition of constant voltage, whether the current is within the specification is monitored, the purpose of detecting whether the LED is fully bright is conveniently and quickly achieved, workers do not need to visually detect whether the lamp is bright one by one, and misjudgment of the workers when the light color and the brightness of the LED are close is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of LED detection technology, and more specifically, to a universal power control box for LED detection. Background Technology

[0002] In recent years, with the rapid development of LED technology, LED products have been widely used in various fields, such as commercial advertising, sports events, transportation hubs, education, medical care, and smart homes. LEDs, with their advantages of high efficiency, energy saving, environmental friendliness, and long lifespan, have become the mainstream technology in the lighting and display fields. However, with the continuous expansion of application areas, the requirements for the quality and stability of LED products are also increasing. Therefore, the testing and power control of LEDs are particularly important. The power control box is a key component of the LED testing system. It is responsible for providing a stable and reliable power supply to the LEDs and has functions such as power monitoring, protection, and management.

[0003] Existing general-purpose power control boxes require employees to visually inspect each LED individually to check if it is lit. Furthermore, when the LED's color and brightness are similar, employees may make misjudgments. Therefore, a power control box that can solve this problem needs to be designed. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a universal power control box for detecting light-emitting LEDs.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a universal power control box for testing luminous LEDs, comprising a power control box body, a current and voltage test display screen at the front end of the power control box body, a good product indicator light on one side of the current and voltage test display screen, a voltage adjustment knob on one side of the good product indicator light, a voltage value display screen below the good product indicator light, a speaker opening on one side of the voltage value display screen, a red probe on the side wall of the power control box body, a black probe on one side of the red probe, and retractable support legs at the bottom of the power control box body near the four corners.

[0006] As a further improvement to the technical solution of this utility model, the top of the power control box is provided with a top cover, and the top cover is fixedly connected to the four corners of the top of the power control box by screws, and the four corners of the top cover are provided with holes for screw concealment installation.

[0007] As a further improvement to the technical solution of this utility model, a power structure connected to the red and black test leads is installed inside the power control box, and a speaker is installed inside the power control box on the inner side of the speaker opening.

[0008] As a further improvement to the technical solution of this utility model, the retractable support leg mechanism includes a support column connected to the bottom of the power control box body. The bottom of the power control box body is provided with a storage groove for storing the support column. A fixing column is fixedly installed in the middle of the storage groove along the vertical direction. The bottom end of the fixing column is located on the bottom inner side of the storage groove and is fixedly connected to an external threaded column.

[0009] As a further improvement to the technical solution of this utility model, a groove is provided at the bottom of the power control box body at the edge of the storage slot, and the inner diameter of the cross-section of the groove is larger than the outer diameter of the cross-section of the support column.

[0010] As a further improvement to the technical solution of this utility model, the inner diameter of the cross-section of the storage groove is larger than the outer diameter of the cross-section of the support column, and a magnetic ring for magnetic adsorption and fixation to the inner wall of the top of the storage groove is fixedly provided at the top edge of the support column.

[0011] As a further improvement to the technical solution of this utility model, the top inner surface of the support column is provided with an internal thread that matches the external thread structure of the external thread column, and a cavity is provided inside the support column below the internal thread, wherein the inner diameter of the cross-section of the cavity is larger than the outer diameter of the cross-section of the external thread column.

[0012] The beneficial effects of this utility model are:

[0013] 1. This utility model uses two red and black probes to directly contact the positive and negative terminals of the FPC to detect the total circuit operating current under constant voltage conditions, and monitors whether the current is within the specifications. When the test results are a good board, the power control box will simultaneously use a speaker to broadcast a voice announcement and the good indicator light to light up a green light, which is convenient and quick to achieve the purpose of detecting whether all LEDs are lit. By lighting up multiple groups of parallel LEDs on the FPC, it is possible to detect whether any LEDs are not lit or missing parts, eliminating the need for employees to visually inspect whether each light is lit, and effectively avoiding misjudgment by employees when the LED light color and brightness are similar.

[0014] 2. By setting a retractable support foot mechanism, it is easy to adjust the extension and retraction of the support column at the bottom of the power control box as needed during use, thereby reducing the space occupied during packaging and transportation, and allowing the support column to be extended to remove the power control box from the placement surface during use to avoid moisture. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is the front view of the present invention.

[0017] Figure 3 This utility model Figure 2 Enlarged view of part A in the middle.

[0018] Figure 4 This is a schematic diagram of the support column in this utility model.

[0019] Figure 5 This is a schematic diagram of the testing principle of the test box of this utility model.

[0020] The attached diagram is labeled as follows: 1. Power control box body; 2. Current and voltage test display screen; 3. Good product indicator light; 4. Voltage adjustment knob; 5. Voltage value display screen; 6. Speaker; 7. Red probe; 8. Black probe; 9. Support column; 10. Storage slot; 11. Fixing column; 12. External threaded column; 13. Groove; 14. Cavity; 15. Internal thread; 16. Magnet ring. Detailed Implementation

[0021] 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.

[0022] As attached Figure 1-5 The universal power control box for testing LEDs shown includes a power control box body 1. A current and voltage test display screen 2 is provided at the front end of the power control box body 1. A good product indicator light 3 is provided on one side of the current and voltage test display screen 2. A voltage adjustment knob 4 is provided on one side of the good product indicator light 3. A voltage value display screen 5 is provided below the good product indicator light 3. A speaker port 6 is provided on one side of the voltage value display screen 5. A red test probe 7 is provided on the side wall of the power control box body 1. A black test probe 8 is provided on one side of the red test probe 7. Retractable support legs are provided at the bottom of the power control box body 1 near the four corners.

[0023] As attached Figure 1-2 As shown, the top of the power control box 1 is provided with a top cover. The top cover is fixedly connected to the four corners of the top of the power control box 1 by screws. The four corners of the top cover are provided with holes for screw installation, which facilitates the installation and removal of the top cover of the power control box 1, and thus facilitates the installation and maintenance of the internal parts of the power control box 1.

[0024] As attached Figure 1-2 and attached Figure 5 As shown, the power control box 1 has a power structure installed inside that is connected to the red probe 7 and the black probe 8, and a speaker is installed inside the power control box 1 on the inside side of the speaker port 6.

[0025] As attached Figure 2-4 As shown, the retractable support leg mechanism includes a support column 9 connected to the bottom of the power control box body 1. The bottom of the power control box body 1 has a storage groove 10 for storing the support column 9. A fixing column 11 is fixedly installed vertically inside the middle of the storage groove 10. An externally threaded column 12 is fixedly connected to the bottom inner side of the storage groove 10. A groove 13 is provided at the edge of the storage groove 10 at the bottom of the power control box body 1. The inner diameter of the groove 13 is larger than the outer diameter of the support column 9, and the inner diameter of the storage groove 10 is larger than the outer diameter of the support column 9. The top edge of the support column 9... A magnetic ring 16 is fixedly provided for magnetic adsorption and fixation to the inner wall of the top of the storage slot 10. The inner surface of the top of the support column 9 is provided with an internal thread 15 that matches the external thread structure of the external thread column 12. The support column 9 has a cavity 14 located below the internal thread 15. The inner diameter of the cross-section of the cavity 14 is larger than the outer diameter of the cross-section of the external thread column 12. The retractable support foot mechanism allows for adjustment of the extension and retraction of the support column 9 at the bottom of the power control box 1 as needed during use. This facilitates reducing space occupation during packaging and transportation, and allows the support column 9 to be extended during use to detach the power control box 1 from the placement surface, preventing moisture.

[0026] Working principle: This utility model designs a universal power control box for detecting light-emitting LEDs. The specific structure is shown in the attached instruction manual. Figure 1-5As shown, in this technical solution, the voltage adjustment knob 4 can maintain the adjustment of the power supply voltage from 2.8V to 12V. By directly contacting the positive and negative terminals of the FPC with two red and black probes, the total circuit operating current is detected under constant voltage conditions to monitor whether the current is within specifications. When the test shows a good board, the power control box 1 will simultaneously announce the result via speaker and the good indicator light 3 will illuminate green, conveniently and quickly achieving the purpose of detecting whether all LEDs are lit. By lighting multiple sets of parallel LEDs on the FPC, it is possible to detect whether any LEDs are not lit or are missing, eliminating the need for employees to visually inspect each LED individually, effectively avoiding misjudgment when the LED color and brightness are similar. Furthermore, by setting a retractable support leg mechanism, it is convenient to... The support column 9 can be adjusted to extend or retract at the bottom of the power control box 1 as needed during use, thereby reducing space occupation during packaging and transportation. The support column 9 can also be extended during use to remove the power control box 1 from the placement surface to avoid moisture. The top of the support column 9 can be threadedly connected to the external threaded column 12. When the threaded connection is made, the support column 9 remains stable. When the support column 9 is rotated so that the external threaded column 12 is placed inside the cavity 14, the support column 9 can be stored inside the storage slot 10 and is kept stable after storage by the magnetic attraction of the magnetic ring 16. When it is necessary to extend the support column 9, the groove 13 makes it easy for the operator to pull out the support column 9 and screw it onto the external threaded column 12.

[0027] In the accompanying drawings of the embodiments disclosed in this utility model, only the structures involved in the embodiments of this utility model are shown. Other structures can be referred to with ordinary design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A general power control box for light emitting diode (LED) detection, comprising a power control box box body (1), characterized in that: The front end of the power control box box body (1) is provided with a current voltage test display screen (2), one side of the current voltage test display screen (2) is provided with a good product indicating lamp (3), one side of the good product indicating lamp (3) is provided with a voltage adjusting knob (4), the lower side of the good product indicating lamp (3) is provided with a voltage value display screen (5), one side of the voltage value display screen (5) is provided with a speaker port (6), the side wall of the power control box box body (1) is provided with a red table pen (7), one side of the red table pen (7) is provided with a black table pen (8), the bottom of the power control box box body (1) is provided with a retractable support foot mechanism near the four corners.

2. The universal power supply control box for light emitting LED detection of claim 1, wherein: The top of the power control box box body (1) is provided with a top cover, the top cover is fixedly connected with the top of the power control box box body (1) through screws at four corner positions, and holes for screw hidden installation are arranged at the four corner positions of the top cover.

3. The universal power supply control box for light emitting LED detection of claim 1, wherein: The inside of the power control box box body (1) is provided with a power supply structure connected with the red table pen (7) and the black table pen (8), and a speaker is installed inside the power control box box body (1) at the inner side of the speaker port (6).

4. The universal power supply control box for light emitting LED detection of claim 1, wherein: The retractable support foot mechanism includes a support column (9) connected to the bottom of the power control box box body (1), the bottom of the power control box box body (1) is provided with a storage groove (10) for storing the support column (9), a fixed column (11) is fixedly arranged in the middle of the storage groove (10) in the vertical direction, and an external thread column (12) is fixedly connected to the bottom end of the fixed column (11) at the inner side of the bottom of the storage groove (10).

5. The universal power supply control box for light emitting LED detection of claim 4, wherein: The bottom of the power control box box body (1) is provided with a recess (13) at the edge position of the storage groove (10), and the cross-sectional inner diameter of the recess (13) is greater than the cross-sectional outer diameter of the support column (9).

6. The universal power supply control box for light emitting LED detection of claim 4, wherein: The cross-sectional inner diameter of the storage groove (10) is greater than the cross-sectional outer diameter of the support column (9), and a magnet ring (16) is fixedly arranged at the top edge of the support column (9) for magnetic adsorption fixation with the top inner wall of the storage groove (10).

7. The universal power supply control box for light emitting LED detection of claim 4, wherein: The top inner surface of the support column (9) is provided with an internal thread (15) matched with the external thread structure of the external thread column (12), and a concave cavity (14) is arranged inside the support column (9) below the internal thread (15), and the cross-sectional inner diameter of the concave cavity (14) is greater than the cross-sectional outer diameter of the external thread column (12).

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