Waterproof detection device for LED display screen

Abstract

The utility model discloses a waterproof detection device for an LED display screen. The waterproof detection device comprises a workbench; the environment simulation part is arranged at the top of the working table, the detection water tank is arranged at the top of the working table, a spray head and a water injection port are arranged in the detection water tank, and an impact ball is arranged in the detection water tank and used for being matched with a water pressure simulation impact experiment of the water injection port. The LED display screen testing device can simultaneously simulate various environmental conditions such as high and low temperature, water pressure impact and physical impact, such as hail impact simulation, so that the testing is more comprehensive, and the LED display screen can be ensured to keep good performance and waterproofness under various extreme conditions; different temperature environments are simulated through the refrigeration part and the heating part, and rainwater and impact are simulated through high-pressure water flow generated by the water pump, so that the device can be very close to the actual natural environment, and accurate test data are provided.

Description

Technical Field

[0001] The utility model relates to the technical field of waterproof detection of LED display screens, in particular to a waterproof detection device for LED display screens. Background Art

[0002] With the continuous development and progress of science and technology, the technology of LED display screens has become more and more mature. Among the various performances of LED display screens, waterproofing is also a very important one. Many LED display screens are to be installed outdoors, and naturally they will be exposed to wind and rain. Testing the waterproof performance of LED display screens in advance can effectively prevent the damage and inconvenience caused by waterproofing problems after the LED display screen is installed and used.

[0003] Most of the existing LED display waterproof detection devices only test water at the same time, which cannot simulate multiple environmental conditions at the same time, cannot guarantee the comprehensiveness of the test, and cannot detect the performance and waterproofness of the LED display under various extreme conditions. Utility Model Content

[0004] The purpose of the utility model is to provide a waterproof detection device for an LED display screen to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a LED display screen waterproof detection device, comprising:

[0006] Workbench;

[0007] A test water tank is placed on the top of the workbench. A nozzle and a water injection port are provided inside the test water tank. An impact ball is provided inside the test water tank to simulate an impact experiment with the water pressure of the water injection port;

[0008] An environment simulation part, which is placed outside the detection water tank and includes a refrigeration part for simulating low temperature and a heating part for simulating high temperature;

[0009] A moving component is placed on the top of the workbench. The moving component includes a linear module fixedly connected to the top of the workbench. A lifting frame that can move up and down is installed on the moving slide of the linear module. A fixed cover plate is installed at the bottom of the lifting frame for sealing the detection water tank.

[0010] Preferably, two placement racks are fixedly connected to the top of the workbench.

[0011] Preferably, a water pump for driving the water flow inside the detection water tank is fixedly connected to one side of the detection water tank, the output end of the water pump is connected to the water inlet through a water pipe, and the input end of the water pump is connected to the detection water tank.

[0012] Preferably, the refrigeration unit comprises a semiconductor refrigeration sheet whose refrigeration end is in contact with the detection water tank, and a fin is fixedly connected to the refrigeration end of the semiconductor refrigeration sheet, and the fin extends to the interior of the detection water tank.

[0013] Preferably, two linear modules are symmetrically arranged about the detection water tank, and the movable slides of the two linear modules are fixedly connected with support columns, and the interiors of the support columns are fixedly connected with cylinders.

[0014] Preferably, the lifting frame comprises a lifting plate fixedly connected to the output end of the cylinder, a limiting rod is fixedly connected to the bottom of the lifting plate, and the limiting rod is slidably connected to the support column.

[0015] Preferably, one end of the fixed cover plate is rotatably connected to a flip plate, and the bottom of the fixed cover plate is fixedly connected to a mounting frame for mounting a display screen.

[0016] Preferably, the heating part comprises a heating box fixedly connected to the top of the fixed cover plate, a heating wire is installed inside the heating box, a fan for blowing air to the heating wire is fixedly connected to the top of the fin, and the middle of the heating box and the fixed cover plate are provided with holes corresponding to the heating box.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: by setting up an environmental simulation part and an impact ball, multiple environmental conditions can be simulated at the same time, such as high and low temperatures, water pressure shocks and physical impacts, such as simulating hail impacts, which makes the test more comprehensive and can ensure that the LED display screen can maintain good performance and waterproofness under various extreme conditions; by simulating different temperature environments through the refrigeration part and the heating part, and simulating rain and impacts through the high-pressure water flow generated by the water pump, it can be very close to the actual natural environment and provide accurate test data. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the fin of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the heating box of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the semiconductor refrigeration sheet of the utility model.

[0022] In the figure: 1. workbench; 2. linear module; 3. support column; 4. cylinder; 5. limit rod; 6. lifting plate; 7. fixed cover plate; 8. flip plate; 9. detection water tank; 10. nozzle; 11. water inlet; 12. impact ball; 13. semiconductor cooling plate; 14. water pump; 15. fin; 16. heating box; 17. heating wire; 18. fan; 19. placement rack; 20. installation rack. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 , 2 As shown in Figures 3 and 4, the utility model provides a technical solution: a waterproof detection device for an LED display screen, comprising: a workbench 1; a detection water tank 9 made of transparent material, the detection water tank 9 is fixedly connected to the top of the workbench 1, a nozzle 10 and a water injection port 11 are fixedly connected to the inside of the detection water tank 9, and an impact ball 12 is provided inside the detection water tank 9 for cooperating with the water pressure simulation impact experiment of the water injection port 11; an environmental simulation part is placed on the outside of the detection water tank 9, the environmental simulation part includes a refrigeration part for simulating low temperature and a heating part for simulating high temperature, which are the same as the high and low temperature of the simulated use environment; a moving component is placed on the top of the workbench 1, the moving component includes a linear module 2 fixedly connected to the top of the workbench 1, a lifting frame that can move up and down after being installed on the moving slide of the linear module 2, and a fixed cover plate 7 is installed at the bottom of the lifting frame for sealing the detection water tank 9.

[0025] It should be noted that, in the utility model, the LED display screen is installed on a lifting frame, lifted by the cylinder 4, transported to the top of the detection water tank 9 by the linear module 2, and then the LED display screen is placed in the detection water tank 9 by the retraction of the cylinder 4, the fixed cover plate 7 is covered on the top of the detection water tank 9, the high and low temperatures during use are simulated by the environmental simulation part, and then the inside of the detection water tank 9 is flushed by the nozzle 10 to detect the waterproof performance of the LED display screen under different temperature conditions, and high-pressure water can be blown out from the water injection port 11 by the water pump 14 to promote the water inside the detection water tank 9 to roll, and the water drives the impact ball 12 to move inside the detection water tank 9, so as to simulate the impact of hail and other objects on the display screen and detect its hardness.

[0026] See also Figure 1 , 2 As shown, two placement racks 19 are fixedly connected to the top of the workbench 1.

[0027] It should be noted that, when installing the display screen, the utility model can first place the LED display screen in the middle of the placement frame 19, so that the LED display screen can be vertically stuck in the middle of the placement frame 19, and then move the mounting frame 20 to a position close to the LED display screen through the linear module 2, and then connect the LED display screen to the mounting frame 20 through fasteners.

[0028] See also Figure 4 As shown, a water pump 14 for driving the water flow inside the detection water tank 9 is fixedly connected to one side of the detection water tank 9 , the output end of the water pump 14 is connected to the water inlet 11 through a water pipe, and the input end of the water pump 14 is connected to the detection water tank 9 .

[0029] It should be noted that the impact ball 12 of the utility model is a plastic ball with metal inside. The impact force drives the impact ball 12 so that it rolls in the detection water tank 9 to simulate the situation when the LED display screen is impacted. The water flow driven by the water pump can enhance the movement of the impact ball, so that the impact ball hits the LED display screen at different speeds and angles, simulating the impact effect of hail on the display screen in the real world. The intensity and frequency of the impact can be controlled by adjusting the output strength of the water pump and the size or weight of the impact ball.

[0030] See also Figure 3 , 4 As shown, the refrigeration part includes a semiconductor refrigeration plate 13 whose refrigeration end is attached to the detection water tank 9, and the refrigeration end of the semiconductor refrigeration plate 13 is fixedly connected with a fin 15, and the fin 15 extends to the inside of the detection water tank 9. The heating part includes a heating box 16 fixedly connected to the top of the fixed cover plate 7, and an electric heating wire 17 is installed inside the heating box 16. A fan 18 for blowing air to the electric heating wire 17 is fixedly connected to the top of the fin 15, and the middle of the heating box 16 and the fixed cover plate 7 are provided with holes corresponding to the heating box 16.

[0031] It should be noted that the fan 18 of the utility model blows wind into the heating box 16, and blows it into the detection water tank 9 after being heated by the electric heating wire 17, so as to simulate the high temperature outdoor conditions, and suddenly spray water under high temperature conditions to detect its waterproof performance when the weather changes. The semiconductor refrigeration sheet 13 transfers the low temperature to the detection water tank 9 through the fins 15 to cool the inside, and suddenly sprays water under low temperature conditions to detect its waterproof performance when the weather changes. The combination of the semiconductor refrigeration sheet 13 and the electric heating wire 17 can achieve precise temperature control. The semiconductor refrigeration sheet 13 directly adjusts the temperature inside the water tank by contacting with the detection water tank 9, and the electric heating wire 17 provides a heat source through the heating box 16. This combination can simulate environmental conditions from extremely cold to extremely hot. It can also respond quickly to temperature changes, so that the test environment can be quickly adjusted from one extreme condition to another extreme condition, test the thermal stability and thermal stress response of the product, and can also simulate humidity changes through a combination of cooling and heating to detect reliability under different climatic conditions.

[0032] See also Figure 1 , 2 As shown in 4, two linear modules 2 are symmetrically arranged about the detection water tank 9, and the movable slides of the two linear modules 2 are fixedly connected with support columns 3, and the interiors of the support columns 3 are fixedly connected with cylinders 4. The lifting frame includes a lifting plate 6 fixedly connected to the output end of the cylinder 4, and the bottom of the lifting plate 6 is fixedly connected with a limit rod 5, and the limit rod 5 is slidably connected to the support column 3.

[0033] It should be noted that the linear module 2 of the utility model can drive the lifting plate 6 to move along the Y-axis, so that it can cooperate with the lifting and lowering of the cylinder 4, and the LED display screen can be lifted up and then lowered to be placed in the detection water tank 9. After the detection is completed, it can be lifted out of the detection water tank 9 and transported to the installation position, which is convenient for disassembly and detection.

[0034] See also Figure 1 , 2 As shown, one end of the fixed cover plate 7 is rotatably connected to the flip plate 8, and the bottom of the fixed cover plate 7 is fixedly connected to a mounting frame 20 for mounting the display screen.

[0035] It should be noted that, in the present invention, when the LED display screen is installed in coordination with the mounting frame 20 , the flip plate 8 can be flipped upwards to prevent the flip plate 8 from affecting the coordinated installation of the LED display screen and the mounting frame 20 .

[0036] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A LED display screen waterproof detection device, characterized in that: include: Workbench (1); A testing water tank (9), the testing water tank (9) is placed on the top of the workbench (1), a nozzle (10) and a water injection port (11) are provided inside the testing water tank (9), and an impact ball (12) is provided inside the testing water tank (9) for cooperating with the water pressure of the water injection port (11) to simulate an impact experiment; An environment simulation part, the environment simulation part is placed outside the detection water tank (9), and the environment simulation part comprises a refrigeration part for simulating low temperature and a heating part for simulating high temperature; A moving component is placed on the top of the workbench (1), and the moving component includes a linear module (2) fixedly connected to the top of the workbench (1). A lifting frame that can move up and down is installed on the moving slide of the linear module (2), and a fixed cover plate (7) is installed at the bottom of the lifting frame for sealing the detection water tank (9).

2. The LED display screen waterproof detection device according to claim 1, characterized in that: Two placement racks (19) are fixedly connected to the top of the workbench (1).

3. The LED display screen waterproof detection device according to claim 1, characterized in that: A water pump (14) for driving the water flow inside the detection water tank (9) is fixedly connected to one side of the detection water tank (9); the output end of the water pump (14) is connected to the water injection port (11) via a water pipe, and the input end of the water pump (14) is connected to the detection water tank (9).

4. The LED display screen waterproof detection device according to claim 1, characterized in that: The refrigeration unit comprises a semiconductor refrigeration sheet (13) whose refrigeration end is attached to the detection water tank (9), and a fin (15) is fixedly connected to the refrigeration end of the semiconductor refrigeration sheet (13), and the fin (15) extends into the interior of the detection water tank (9).

5. The LED display screen waterproof detection device according to claim 1, characterized in that: Two linear modules (2) are symmetrically arranged with respect to the detection water tank (9), and the movable slides of the two linear modules (2) are both fixedly connected to support columns (3), and the interiors of the support columns (3) are both fixedly connected to cylinders (4).

6. The LED display screen waterproof detection device according to claim 1, characterized in that: The lifting frame comprises a lifting plate (6) fixedly connected to the output end of the cylinder (4), the bottom of the lifting plate (6) is fixedly connected to a limiting rod (5), and the limiting rod (5) is slidably connected to the support column (3).

7. The LED display screen waterproof detection device according to claim 4, characterized in that: One end of the fixed cover plate (7) is rotatably connected to a flip plate (8), and the bottom of the fixed cover plate (7) is fixedly connected to a mounting frame (20) for mounting a display screen.

8. The LED display screen waterproof detection device according to claim 7, characterized in that: The heating part comprises a heating box (16) fixedly connected to the top of the fixed cover plate (7), a heating wire (17) is installed inside the heating box (16), a fan (18) for blowing air to the heating wire (17) is fixedly connected to the top of the fin (15), and the middle parts of the heating box (16) and the fixed cover plate (7) are both provided with holes corresponding to the heating box (16).

Images