Rain test device for detecting waterproof IP grade

Abstract

The utility model discloses a rain test device for testing waterproof IP grade, which comprises two swing pipe support boxes and a camera device, the camera device is arranged opposite to the swing pipe support boxes, the camera device carries out video recording on the test process, the bottom of each swing pipe support box is provided with a mobile chassis, an arc swing pipe is rotatably connected between the two swing pipe support boxes, and the arc swing pipe is connected with the mobile chassis. One end of the arc-shaped swing pipe is connected with a driving device, pendulum bobs are arranged at the lower ends of the two sides of the arc-shaped swing pipe, a plurality of rain spraying nozzles are arranged on the inner side of the arc-shaped swing pipe and communicated with the water outlet end of the centrifugal water pump through a water inlet channel, and the water inlet end of the centrifugal water pump is communicated with the water storage tank. The camera device, the driving device, the centrifugal water pump, the pressure gauge, the flow meter and the electromagnetic valve are electrically connected with the master controller, the movable device is arranged, so that a large test sample which is heavy or inconvenient to move can be conveniently subjected to a rain test, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of rain test devices, and particularly relates to a rain test device for testing the waterproof IP rating. Background Art

[0002] When electrical equipment is used outdoors, it may be eroded by rainwater. Without corresponding protection capabilities, it may cause damage to the product, and even lead to serious economic losses and safety accidents. In this case, various industry associations, based on the IP enclosure protection standard, stipulate corresponding waterproof levels for different electrical products according to the application conditions of the products, and test the physical and other related performances of products such as electronic and electrical products, lamps, electrical components, and automotive parts. After the test, it is judged whether the performance of the product meets the requirements through verification, so as to facilitate the design, improvement, verification, and factory inspection of the product. In the prior art, for example, patent CN111551315B discloses a pendulum tube rain test machine, which includes a first bracket, a second bracket, a first motor, a pendulum tube, and a water delivery hose. The pendulum tube is arranged in an arc shape, and connectors are provided at both ends of the pendulum tube. The first motor is arranged on the first bracket. The connector at one end of the pendulum tube is connected to the first motor, and the connector at the other end is rotatably connected to the second bracket. The test placement rack is arranged between the first bracket and the second bracket. When in use, the test sample is placed on the test placement rack for the rain test. However, for large test samples with a large weight or inconvenient to move, it is not convenient to place and move them to the test position of the pendulum tube rain test machine, and the usability of the device needs to be further improved. Summary of the Utility Model

[0003] The purpose of the utility model is to overcome the above-mentioned defects or problems existing in the background art, and provide a rain test device for testing the waterproof IP rating.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A rain test device for testing the waterproof IP rating includes two pendulum tube support boxes and a camera device. The camera device is arranged facing the pendulum tube support boxes. A moving chassis is arranged at the bottom of the pendulum tube support boxes. An arc-shaped pendulum tube is rotatably connected between the two pendulum tube support boxes. One end of the arc-shaped pendulum tube is connected to a driving device. Pendulums are arranged at the lower ends on both sides of the arc-shaped pendulum tube. A plurality of rain nozzles are arranged inside the arc-shaped pendulum tube. The rain nozzles are connected to the water outlet end of a centrifugal water pump through a water inlet channel. The water inlet end of the centrifugal water pump is connected to a water storage tank. A pressure gauge, a flow meter, and a solenoid valve are arranged in the water inlet channel. The camera device, the driving device, the centrifugal water pump, the pressure gauge, the flow meter, and the solenoid valve are respectively electrically connected to the main control.

[0006] In some embodiments of the present utility model, the centrifugal water pump is arranged in any one of the swing pipe support boxes, and the driving device is arranged in the other swing pipe support box.

[0007] In some embodiments of the present utility model, both ends of the arc-shaped swing pipe are connected with rotating shafts, and the rotating shafts are installed in the swing pipe support box through bearings and axial stop support devices, and any one of the rotating shafts is connected with the driving device.

[0008] In some embodiments of the present utility model, the bearings and the axial stop support devices are respectively arranged on both sides of the box wall of the swing pipe support box.

[0009] In some embodiments of the present utility model, the rain shower nozzle is set as a needle-type nozzle.

[0010] In some embodiments of the present utility model, the arc-shaped swing pipe is provided with an inner pipe channel, the inner pipe channel communicates with the rain shower nozzle, one end of the inner pipe channel is set as the swing pipe water inlet, the swing pipe water inlet is connected with a water inlet channel, and the pressure gauge, the flow meter and the solenoid valve are arranged in the water inlet channel in sequence, and the solenoid valve is arranged at one end close to the swing pipe water inlet.

[0011] In some embodiments of the present utility model, the swing pipe water inlet is arranged at the connection part of the arc-shaped swing pipe and the rotating shaft on this side, the rotating shaft on this side is set as a hollow shaft, and an inner shaft channel is arranged in the hollow shaft, so that the inner shaft channel communicates with the swing pipe water inlet, the other end of the inner shaft channel is rotatably connected with a connecting pipe, the connecting pipe communicates with the centrifugal water pump, and the connecting pipe is provided with a stationary ring anti-rotation device.

[0012] In some embodiments of the present utility model, three omnidirectional wheels are evenly arranged at the lower end of the mobile chassis, each omnidirectional wheel is respectively connected to a driving device, and the driving device is used to drive the omnidirectional wheel shaft of the omnidirectional wheel, so as to drive the omnidirectional wheel to rotate.

[0013] In some embodiments of the present utility model, a video recording room is arranged on one side of the swing pipe support box, a camera device is arranged on one side of the top of the video recording room, and a computer terminal is arranged in the video recording room, and the computer terminal is communicatively connected with the total control.

[0014] As can be seen from the above description of the present utility model, compared with the prior art, the present utility model has the following beneficial effects:

[0015] 1. A mobile chassis is arranged at the bottom of the swing pipe support box, and the movable device is convenient for performing the IP protection level rain test on large test samples that are heavy or not easy to move, facilitating the movement of the rain test device to the location of the test sample, and making the use more convenient.

[0016] 2. Use a camera device to record the IP protection level rain test of the test sample in real time and number and archive it as supplementary evidence for the test data, ensuring the authenticity of the IP water spray test data and facilitating the explanation to customers that the test process is real and effective. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of the present invention;

[0019] Figure 2 is a schematic diagram of the water inlet channel of the present invention;

[0020] Figure 3 is a schematic installation diagram of the driving device of the present invention;

[0021] Figure 4 is a schematic diagram of the bearing of the present invention;

[0022] Figure 5 is a schematic installation diagram of the static ring anti-rotation device of the present invention;

[0023] MAIN REFERENCE NUMERAL DESCRIPTION:

[0024] 1. Pendulum tube support box, 2. Camera device, 20. Video recording room, 3. Mobile chassis, 30. Universal wheel, 4. Arc pendulum tube, 40. Pendulum hammer, 41. Rain nozzle, 42. Rotating shaft, 43. Bearing, 44. Axial stop support device, 45. Static ring anti-rotation device, 46. Pendulum tube water inlet, 47. Inner shaft channel, 48. Connecting pipe, 5. Driving device, 6. Centrifugal water pump, 60. Pressure gauge, 61. Flowmeter, 62. Solenoid valve, 7. Water storage tank. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are the preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0026] In the claims, the description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, when using terms such as "first", "second" or "third", etc., they are used to distinguish different objects rather than to describe a specific order.

[0027] In the claims, the description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, for orientation terms, when using terms such as "center", "horizontal", "longitudinal", "level", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. to indicate the orientation or position relationship, it is based on the orientation and position relationship shown in the drawings, and it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the present invention.

[0028] In the claims, the description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, when using the terms "fixed connection" or "fixedly connected", it should be understood in a broad sense, that is, any connection method without displacement relationship and relative rotation relationship between the two, that is to say, it includes non-detachable fixed connection, detachable fixed connection, being integrated as one body, and being fixedly connected through other devices or elements.

[0029] In the claims, the description and the above-mentioned drawings of the present utility model, when using terms such as "comprising", "having" and their variants, are intended to mean "including but not limited to".

[0030] Example 1, see Figures 1-4 :

[0031] A rain test device for testing the waterproof IP rating, comprising two swing tube support boxes 1 and a camera device 2. The camera device 2 is arranged facing the swing tube support box 1. The camera device 2 is used to capture the test video of the IP protection rating rain test in real time. A moving chassis 3 is arranged at the bottom of the swing tube support box 1 to facilitate the movement and placement of the swing tube support box 1 according to the use requirements.

[0032] An arc-shaped swing tube 4 is rotatably connected between the two swing tube support boxes 1. One end of the arc-shaped swing tube 4 is connected to a driving device 5. Swing hammers 40 are arranged at the lower ends on both sides of the arc-shaped swing tube 4. A plurality of rain nozzles 41 are arranged on the inner side of the arc-shaped swing tube 4. The driving device 5 drives the arc-shaped swing tube 4 to swing, so that the rain nozzles 41 swing for spraying.

[0033] The rain shower nozzle 41 is connected to the water outlet end of the centrifugal water pump 6 through a water inlet channel. The water inlet end of the centrifugal water pump 6 is connected to the water storage tank 7. The water inlet channel is provided with a pressure gauge 60, a flow meter 61 and a solenoid valve 62. The imaging device 2, the driving device 5, the centrifugal water pump 6, the pressure gauge 60, the flow meter 61 and the solenoid valve 62 are respectively electrically connected to the master control. Preferably, the centrifugal water pump 6 is a multi-stage centrifugal water pump.

[0034] As an implementation manner, the centrifugal water pump 6 is arranged in any one of the swing pipe support boxes 1, and the driving device 5 is arranged in another swing pipe support box 1.

[0035] As an implementation manner, both ends of the arc-shaped swing pipe 4 are connected with a rotating shaft 42. The rotating shaft 42 is installed in the swing pipe support box 1 through a bearing 43 and an axial stop support device 44. Specifically, the bearing 43 and the axial stop support device 44 are respectively arranged on both sides of the box wall of the swing pipe support box 1. Preferably, the axial stop support device 44 is arranged on the outer side of the box wall, and the bearing 43 is arranged on the inner side of the box wall.

[0036] As an implementation manner, any one of the rotating shafts 42 is connected to the driving device 5.

[0037] As an implementation manner, the rain shower nozzle 41 is set as a needle-type nozzle. Further, the needle-type nozzle is set as an electric nozzle, and the electric nozzle is connected to the master control to realize single-body control, which is beneficial to ensuring the rain shower spraying effect.

[0038] As an implementation manner, the arc-shaped swing pipe 4 is provided with an inner pipe channel, and the inner pipe channel communicates with each rain shower nozzle 41. One end of the inner pipe channel is set as a swing pipe water inlet 46, and the swing pipe water inlet 46 is arranged on the side close to the centrifugal water pump 6. The swing pipe water inlet 46 is connected with a water inlet channel, and the pressure gauge 60, the flow meter 61 and the solenoid valve 62 are arranged in the water inlet channel in sequence, and the solenoid valve 62 is arranged at one end close to the swing pipe water inlet 46.

[0039] As an implementation manner, the lower end of the mobile chassis 3 is provided with 4 universal wheels 30. The operator can move the swing pipe support box 1 through the universal wheels 30 and move the swing pipe support box 1 to a suitable working position. When in use, it can be directly moved to the position where the next test sample is located to conduct the IP protection level rain test without moving the test sample. For large test samples with large weight or inconvenient to move, the device is more convenient to use. In some other embodiments, the universal wheels 30 can be directly installed at the bottom of the swing pipe support box 1.

[0040] On one side of the swing tube support box 1, there is a video recording room 20. The camera device 2 is arranged on one side of the top of the video recording room 20. A computer terminal is arranged in the video recording room 20, and the computer terminal is communicatively connected to the master control. The operator can operate the test process through the computer terminal in the video recording room 20. It can be understood that the camera device 2 is electrically connected to the computer, and the master control is provided with a wireless communication module.

[0041] The detection process of this embodiment includes the swing tube water spray test or the swing tube splash water test. For example, for the outdoor cabinet and chassis assembly of a large high-voltage inverter power supply, an IPX3 water spray test is carried out. According to the test specification, the test method of the IPX3 water spray test is that the swing tube water spray test specimen (test sample) is placed at the diameter position of the arc-shaped swing tube 4 so that the distance from its top to the water spray port of the rain spray nozzle 41 is not greater than 200 mm. The test condition is that the water flow rate is calculated according to the number of water spray holes of the rain spray nozzle 41, and each hole is 0.07 L / min. When spraying water, the rain spray nozzles 41 within the 60-degree arc segments on both sides of the midpoint of the arc-shaped swing tube 4 spray water onto the sample. The test sample is placed at the center of the semi-circle of the swing tube. The arc-shaped swing tube 4 swings 60 degrees on both sides of the vertical line under the drive of the drive device 5, for a total of 120 degrees. Each swing (2×120 degrees) takes about 4 seconds, and the test time is: continuous water spraying for 10 min.

[0042] When starting to implement the IPX3 water spray test, open the valve of the water storage tank 7 to inject water into the water inlet end of the multi-stage centrifugal pump first, open the solenoid valve 62 and start the multi-stage centrifugal pump. Under the control and drive of the rotation speed and pressure of the multi-stage centrifugal pump, the water is compressed and flows from the water outlet end of the multi-stage centrifugal pump through the pressure gauge 60 and the flow meter 61 into the swing tube water inlet 46, so that the water flow rate is controlled at 0.07 L / min per hole. After continuous water spraying for 10 minutes, close the multi-stage centrifugal pump and the drive device 5. When it is necessary to test the test sample on other surfaces, the swing tube support box 1 can be moved through the mobile chassis 3 at the bottom to move it to the location of the next test sample, without moving the next test sample.

[0043] When starting the test, through the camera device 2, the test process of each outdoor cabinet and chassis assembly of the large high-voltage inverter power supply can be video-recorded and numbered for archiving, as an evidence supplement to the test data, which is convenient for explaining the correctness and effectiveness of the test process method to the customer.

[0044] Example 2, see Figure 5 :

[0045] Repeat Example 1, but the swing tube water inlet 46 is arranged at the connection of the arc-shaped swing tube 4 and the rotating shaft 42 on this side. The rotating shaft 42 on this side is set as a hollow shaft, and an inner shaft channel 47 is arranged in the hollow shaft, so that the inner shaft channel 47 communicates with the swing tube water inlet 46, and the other end of the inner shaft channel 47 communicates with the centrifugal pump 6.

[0046] As an implementation manner, a connecting pipe 48 is rotatably connected to the other end of the inner channel 47 of the shaft. The other end of the connecting pipe 48 communicates with the centrifugal water pump 6. A stationary ring anti-rotation device 45 is provided on the connecting pipe 48. The stationary ring anti-rotation device 45 is used to prevent the connecting pipe 48 from rotating along with the hollow shaft. The stationary ring of the stationary ring anti-rotation device 45 can effectively fix the connecting pipe 48 and achieve a good sealing effect, ensuring the safety of the equipment.

[0047] Preferably, the other end of the connecting pipe 48 communicates with the centrifugal water pump 6 through a hose.

[0048] Example 3:

[0049] Repeat Example 1, but omnidirectional wheels are adopted at the lower end of the moving chassis 3. Each moving chassis 3 is provided with three omnidirectional wheels, and the three omnidirectional wheels are evenly distributed at the bottom of the moving chassis 3. Each omnidirectional wheel is respectively connected to a driving device 5. The driving device 5 is used to drive the omnidirectional wheel shaft of the omnidirectional wheel, so as to drive the omnidirectional wheel to rotate. It can be understood that the driving device 5 is connected to a controller, and the controller is connected to the total control. The controller cooperates with the total control to control each omnidirectional wheel, so as to realize the movement of the swing pipe support box 1.

[0050] The above description of the specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation on the protection scope of the present invention. Through the inspiration of the present invention or the above embodiments, those of ordinary skill in the art, combined with common general knowledge, ordinary technical knowledge in the art and / or the prior art, through logical analysis, reasoning or limited experiments, can obtain modifications, equivalent replacements or other improvements to the embodiments of the present invention or some of its technical features, which should all be included in the protection scope of the present invention.

Claims

1. A rain test device for testing the waterproof IP level, characterized by: It includes two swing pipe support boxes and a camera device. The camera device is arranged opposite to the swing pipe support box. A mobile chassis is arranged at the bottom of the swing pipe support box. An arc-shaped swing pipe is rotatably connected between the two swing pipe support boxes. One end of the arc-shaped swing pipe is connected to a driving device. Pendulums are arranged at the lower ends of both sides of the arc-shaped swing pipe. A plurality of shower nozzles are arranged on the inner side of the arc-shaped swing pipe. The shower nozzles are connected to the water outlet end of the centrifugal water pump through a water inlet channel. The water inlet end of the centrifugal water pump is connected to a water storage tank. A pressure gauge, a flow meter and an electromagnetic valve are arranged in the water inlet channel. The camera device, the driving device, the centrifugal water pump, the pressure gauge, the flow meter and the electromagnetic valve are electrically connected to the main control respectively.

2. A rain test device for checking the waterproof IP level according to claim 1, characterized in that: The centrifugal water pump is arranged in any one swing pipe support box, and the driving device is arranged in the other swing pipe support box.

3. A rain test device for checking the waterproof IP grade according to claim 1, characterized in that: The two ends of the arc-shaped swing tube are connected with rotating shafts, and the rotating shafts are installed in the swing tube support box through bearings and axial stop support devices, and any rotating shaft is connected to the driving device.

4. A rain test device for checking the waterproof IP grade according to claim 3, characterized in that: The bearing and the axial stop support device are respectively arranged on both sides of the box wall of the swing pipe support box.

5. A rain test device for checking the waterproof IP grade according to claim 1, characterized in that: The shower nozzle is configured as a needle nozzle.

6. A rain test device for checking the waterproof IP grade according to claim 1, characterized in that: The arc-shaped swing pipe is provided with an inner-tube channel, which is connected to the shower nozzle. One end of the inner-tube channel is set as a swing pipe water inlet, and the swing pipe water inlet is connected to the water inlet channel. The pressure gauge, flow meter and solenoid valve are arranged in the water inlet channel in sequence, and the solenoid valve is arranged at one end close to the swing pipe water inlet.

7. A rain test device for checking the waterproof IP grade according to claim 6, characterized in that: The water inlet of the swing pipe is arranged at the connection between the arc-shaped swing pipe and the rotating shaft on one side close to the centrifugal water pump. The rotating shaft on this side is set as a hollow shaft. An inner shaft channel is set in the hollow shaft, so that the inner shaft channel is connected to the water inlet of the swing pipe. The other end of the inner shaft channel is rotatably connected to a connecting pipe, which is connected to the centrifugal water pump. The connecting pipe is provided with a stationary ring anti-rotation device.

8. A rain test device for checking the waterproof IP grade according to claim 1, characterized in that: Three omnidirectional wheels are evenly arranged at the lower end of the mobile chassis, and each omnidirectional wheel is connected to a driving device respectively, and the driving device is used to drive the omnidirectional wheel axle of the omnidirectional wheel, thereby driving the omnidirectional wheel to rotate.

9. A rain test device for checking the waterproof IP grade according to any one of claims 1 to 8, characterized in that: A video recording room is arranged on one side of the swing pipe support box, a camera device is arranged on one side of the top of the video recording room, a computer terminal is arranged in the video recording room, and the computer terminal is connected to the master control communication.

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