Rain test device for electric appliance detection

Abstract

The utility model relates to the technical field of electric appliance detection, and discloses a rain test device for electric appliance detection, which comprises a test box, a plurality of drain holes are arranged below the test box, the lower end of the test box is connected with a water tank communicated with the drain holes, and support legs are arranged on the left and right side walls of the lower end of the water tank. A communicated water suction pump is arranged at the lower end of the water tank, a through groove is formed in the upper portion of the test box, a spraying mechanism is arranged in the through groove in a front-back sliding mode and comprises a left-right pipe body located in the test box, a plurality of water outlet holes are evenly formed in the lower end of the pipe body, and an L-shaped pipe extending out of the through groove is connected to the upper end of the pipe body; the other end of the L-shaped pipe is connected with a hose, and the other end of the hose is connected with a water suction pump; a flow guide rod is rotationally arranged in the water outlet hole and obliquely arranged, and the lower end of the flow guide rod is connected with a ball. Compared with the prior art, the utility model has the advantages that the simulated rain environment is more real, and the waste of water resources is reduced.

Description

Technical Field

[0001] This utility model relates to the field of electrical testing technology, specifically to a rain test device for electrical testing. Background Technology

[0002] Rain test equipment, also known as a rain test chamber, is used to simulate rain tests that electrical appliances may be subjected to, in order to test the waterproof performance of various products. It is mostly a single chamber that simulates rain by spraying water onto the surface of the appliance. Therefore, its use has the following shortcomings:

[0003] 1. Rainfall and the angle of rain in the natural environment are variable, while the nozzles used in the experiment spray in a directional and quantitative manner, which cannot well simulate the real rain environment;

[0004] 2. The simulated spray water is discharged from the drain of the test chamber without being recycled, resulting in a waste of water resources. Utility Model Content

[0005] I. Technical problems to be solved

[0006] The technical problem this invention aims to solve is that the simulated rain environment is not realistic enough and causes a certain waste of water resources.

[0007] II. Technical Solution

[0008] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a rain test device for electrical testing, including a test chamber, and a transparent chamber door is provided on the front side of the test chamber;

[0009] The test chamber has multiple drainage holes evenly distributed on its lower inner wall. A water tank connected to the drainage holes is located at the lower end of the test chamber. Support legs are provided on the left and right side walls at the lower end of the water tank. A water pump is connected to the lower end of the water tank. A through groove is provided at the top of the test chamber. A spraying mechanism is slidably arranged in the through groove. The spraying mechanism includes a left-right pipe located inside the test chamber. Multiple water outlet holes are evenly distributed at the lower end of the pipe. An L-shaped pipe extending from the through groove is connected to the upper end of the pipe. A flexible hose is connected to the other end of the L-shaped pipe. The other end of the flexible hose is connected to the water pump.

[0010] A guide rod is rotatably installed inside the water outlet, and the guide rod is inclined and its lower end is connected to a ball.

[0011] The test chamber has a connecting plate on the front side of the upper end, and a movable plate corresponding to the connecting plate is fixed to the side wall of the L-shaped tube. The movable plate is attached to the upper end of the test chamber. The connecting plate has a screw threaded through the movable plate on the rear side, and a motor is connected to the front end of the screw.

[0012] The connecting plate has a horizontal rod passing through the movable plate on its rear side. The length of the horizontal rod is equal to the length of the screw, and a limiting plate with a diameter larger than the horizontal rod is connected to its rear end.

[0013] The test chamber is equipped with a support frame, which is composed of multiple inverted U-shaped rods evenly arranged.

[0014] The inner walls of the through groove are provided with rubber rods in an alternating pattern.

[0015] The guide rod is connected to the inner wall above the pipe body by a traction rope, and the center of the traction rope is offset from the center of the water outlet.

[0016] III. Beneficial Effects

[0017] The advantages of this utility model compared with the prior art are as follows:

[0018] 1. This utility model achieves continuous variation of the spray angle from 0 to 60° through dynamic moving spray and guide rod scattering, simulating a more realistic rain environment;

[0019] 2. This utility model reduces water waste by recycling and reusing water. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a rain test device for electrical testing according to this utility model.

[0021] Figure 2 This is a schematic diagram of the structure of a rain test device for electrical testing according to this utility model. Figure 2 .

[0022] Figure 3 This is a schematic diagram of the structure of a rain test device for electrical testing under the explosion state according to this utility model.

[0023] Figure 4 This is a schematic diagram of the internal structure of the spray mechanism of a rain test device for electrical testing according to this utility model.

[0024] As shown in the figure: 1. Test chamber; 2. Chamber door; 3. Drain hole; 4. Water tank; 5. Support leg; 6. Water pump; 7. Through groove; 8. Pipe body; 9. Water outlet; 10. L-shaped pipe; 11. Flexible hose; 12. Guide rod; 13. Sphere; 14. Connecting plate; 15. Moving plate; 16. Screw; 17. Motor; 18. Horizontal bar; 19. Limiting plate; 20. Support frame; 21. Rubber rod. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] Example 1

[0027] As attached Figure 1 As shown, a rain test device for electrical testing includes a test chamber 1. The test chamber 1 has a transparent door 2 on the front side for easy observation. To reduce water waste, in conjunction with the attached... Figure 2 and attached Figure 3 As shown, the test chamber 1 has multiple drainage holes 3 evenly distributed on its lower inner wall. A water tank 4 connected to the drainage holes 3 is connected to the lower end of the test chamber 1. The water tank 4 is an inverted truncated pyramid structure. Support legs 5 are provided on the left and right side walls of the lower end of the water tank 4. A water pump 6 is connected to the lower end of the water tank 4. A through groove 7 is provided above the test chamber 1. A spraying mechanism is slidably arranged in the through groove 7. The spraying mechanism includes a left-right pipe 8 located inside the test chamber 1. Multiple drainage holes 3 are evenly distributed on the lower end of the pipe 8. The water outlet 9 is connected to an L-shaped pipe 10 extending from the through groove 7 at the upper end of the pipe body 8. The other end of the L-shaped pipe 10 is connected to a flexible hose 11, and the other end of the flexible hose 11 is connected to a water pump 6. The water pump 6 is a centrifugal water pump with a power of 1.5kW. When enough water is filled into the water tank 4 and the water pump 6 is started, the water is sprayed out from the water outlet 9 through the flexible hose 11, the L-shaped pipe 10 and the through groove 8, and then returns to the water tank 4 through the drain hole 3, realizing water recycling and reuse, which can reduce water waste by 90%.

[0028] Furthermore, the test chamber 1 is equipped with a support frame 20, which is composed of multiple inverted U-shaped rods evenly arranged, so that the electrical appliances are placed on the support frame 20 to avoid affecting the recycling of water resources.

[0029] Example 2

[0030] Based on Example 1, in order to simulate a more realistic rain situation, as shown in the attached... Figure 3 and attached Figure 4As shown, the test chamber 1 has a connecting plate 14 on the front side of the upper end. The L-shaped tube 10 has a movable plate 15 fixed to its side wall, which corresponds to the connecting plate 14. The movable plate 15 is attached to the upper end of the test chamber 1. The connecting plate 14 has a screw 16 threaded through the movable plate 15 on its rear side. The front end of the screw 16 is connected to a motor 17. The connecting plate 14 has a horizontal rod 18 that passes through the movable plate 15 on its rear side. When the motor 17 is started, the screw 16 rotates. The connecting plate 14 is threaded onto the screw 16 and is restricted by the horizontal rod 18, so that the connecting plate 14 slides horizontally back and forth, that is, the L-shaped tube 10 slides horizontally back and forth, which can change the spray position of the lower tube 8.

[0031] A guide rod 12 is rotatably installed inside the water outlet 9. The guide rod 12 is inclined and its lower end is connected to a ball 13. The guide rod 12 is connected to the inner wall above the pipe body 8 by a traction rope, and the center of the traction rope is offset from the center of the water outlet 9, so that the guide rod 12 is eccentrically rotated by the impact of the water flow, realizing the continuous change of the spray angle from 0 to 60°, making the simulated rain environment more realistic and the test results of the electrical appliances closer to reality.

[0032] Furthermore, the length of the horizontal rod 18 is equal to the length of the screw 16, and the rear end is connected to a limiting plate 19 with a diameter larger than that of the horizontal rod 18. The limiting plate 19 prevents the connecting plate 14 from detaching from the screw 16.

[0033] Furthermore, the inner walls of the through groove 7 are provided with rubber rods 21 in an alternating manner to intercept and prevent the external environment from affecting the interior of the test chamber 1.

[0034] 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 process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0036] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A rain test device for electrical appliance detection, comprising a test box (1), the front side of the test box (1) being provided with a transparent box door (2), characterized in that: a plurality of drainage holes (3) are uniformly arranged on the inner wall below the test box (1), a water tank (4) is connected to the lower end of the test box (1) and communicates with the drainage holes (3), support legs (5) are arranged on the left and right side walls of the lower end of the water tank (4), a water pump (6) is arranged at the lower end of the water tank (4) and communicates therewith, a through slot (7) is arranged above the test box (1), a spraying mechanism is slidably arranged in the through slot (7), the spraying mechanism comprises left and right tubes (8) arranged in the test box (1), a plurality of water outlets (9) are uniformly arranged on the lower end of each tube (8), an L-shaped pipe (10) is connected to the upper end of each tube (8) and extends out of the through slot (7), a hose (11) is connected to the other end of the L-shaped pipe (10), and the other end of the hose (11) is connected to the water pump (6); a flow guide rod (12) is rotatably arranged in each water outlet (9), and the flow guide rod (12) is inclined and connected to a ball (13) at the lower end thereof.

2. The rain test device for electric appliance detection according to claim 1, characterized in that: a connecting plate (14) is arranged at the front side of the upper end of the test box (1), a moving plate (15) corresponding to the connecting plate (14) is fixedly connected to the side wall of the L-shaped pipe (10), the moving plate (15) is attached to the upper end of the test box (1), a screw rod (16) is arranged at the rear side of the connecting plate (14) and penetrates the moving plate (15), and a motor (17) is connected to the front end of the screw rod (16).

3. The rain test device for electric appliance detection according to claim 2, characterized in that: a horizontal rod (18) penetrates the moving plate (15) at the rear side of the connecting plate (14), the length of the horizontal rod (18) is equal to the length of the screw rod (16), and a limiting disc (19) having a larger diameter than the horizontal rod (18) is connected to the rear end of the horizontal rod (18).

4. The rain test apparatus for detecting an electric appliance according to claim 1, characterized by: a support frame (20) is arranged in the test box (1), and the support frame is composed of a plurality of inverted U-shaped rods arranged uniformly.

5. The rain test apparatus for detecting an electric appliance according to claim 1, characterized by: rubber rods (21) are alternately arranged on the left and right inner walls of the through slot (7).

6. The rain test apparatus for detecting an electric appliance according to claim 1, characterized by: the flow guide rod (12) is connected to the upper inner wall of the tube (8) through a traction rope, and the center of the traction rope is offset from the center of the water outlet (9).

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