Damp-proof and waterproof simulation test system for outdoor electrical cabinet

Abstract

The utility model discloses a moisture-proof and waterproof simulation test system for an outdoor electrical cabinet. The moisture-proof and waterproof simulation test system comprises a box body and a test mechanism, a supporting frame is arranged on the bottom face of the box, an interlayer is arranged on the upper side of the front side face of the box, and a sealing door is hinged to the left side of the front side face of the box through a pin shaft. The testing mechanism comprises rotating shafts, mounting plates, gears, spray headers and water inlet pipes, the rotating shafts are rotationally connected to the upper side between the front inner wall and the rear inner wall of the box body, the outer cambered surfaces of the rotating shafts are fixedly sleeved with the mounting plates, the spray headers are arranged on the lower surfaces of the mounting plates, the water inlet pipes are arranged at the upper ends of the spray headers, and the upper ends of the water inlet pipes are communicated with water inlet hoses; the rear end of the water inlet hose is externally connected with an external water pump, the front end of the rotating shaft is fixedly connected with a gear, and the gear is located in the interlayer. According to the utility model, various outdoor environments can be automatically simulated to test moisture-proof and waterproof operation of the electrical cabinet.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinets, in particular to a moisture-proof and waterproof simulation test system for outdoor electrical cabinets. Background Art

[0002] An electrical cabinet is a combination of various electrical components, control components and protective devices assembled in a space or box. There are many electronic components, integrated circuit boards and precision electrical components in the electrical cabinet. Electrical components are expensive and require a very high installation and operating environment. They have very high requirements for ambient temperature, humidity and air cleanliness. Outdoor electrical cabinets have higher standards for moisture and water resistance. When outdoor electrical cabinets are put into use on the market, they need to be tested for moisture and water resistance.

[0003] In the conventional testing method, manufacturers use materials with good airtightness when making electrical cabinets. After the production is completed, the manufacturer places it outdoors for a period of time and regularly measures the environment inside the electrical cabinet. The moisture-proof and waterproof capabilities of the outdoor electrical cabinet are judged based on the conclusions drawn. This conventional testing method has some loopholes. For example, due to regional restrictions, it is impossible to fully simulate extreme outdoor environments, and the moisture-proof and waterproof results obtained are inaccurate. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an outdoor electrical cabinet moisture-proof and waterproof simulation test system, which can comprehensively test the moisture-proof and waterproof of the outdoor electrical cabinet and effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an outdoor electrical cabinet moisture-proof and waterproof simulation test system, comprising a box body and a test mechanism;

[0006] The bottom surface of the box body is provided with a support frame, the upper side of the front side of the box body is provided with an interlayer, and the left side of the front side of the box body is hinged with a sealing door through a pin shaft;

[0007] The test mechanism includes a rotating shaft, a mounting plate, a gear, a spray head and a water inlet pipe. The rotating shaft is rotatably connected to the upper side between the front and rear inner walls of the box body, the outer arc surface of the rotating shaft is respectively fixedly sleeved with a mounting plate, the lower surface of the mounting plate is respectively provided with a spray head, the upper end of the spray head is provided with a water inlet pipe, the upper end of the water inlet pipe is connected to a water inlet hose, the rear end of the water inlet hose is externally connected to an external water pump, the front end of the rotating shaft is fixedly connected to a gear, and the gears are all located inside the interlayer;

[0008] A single chip microcomputer is also provided, and the single chip microcomputer is arranged on the upper side of the front side of the box body. The input end of the single chip microcomputer is electrically connected to an external power supply to control the operation of various electronic components.

[0009] Furthermore, the testing mechanism also includes a driving assembly, which includes a sliding column, a rack plate and a sleeve. The sleeve is arranged on the upper side of the left side surface of the box body, and the interior of the sleeve is slidably connected with the sliding column. The right end of the sliding column is provided with a rack plate, and the left side of the rack plate is also provided with a sliding column. The tooth surfaces of the rack plate are respectively meshed with four gears. The rack plate is located inside the interlayer to realize the function of changing the direction of the sprinkler head.

[0010] Furthermore, it also includes a telescopic cylinder, which is arranged on the upper side of the right side surface of the box body, the telescopic end of the telescopic cylinder is fixedly connected to the right end of the right sliding column, and the air inlet of the telescopic cylinder is connected to an external air pump to provide driving force for changing the direction.

[0011] Furthermore, it also includes a temperature and humidity sensor, which is arranged on the right side of the box, and the measuring end of the temperature and humidity sensor extends into the interior of the box. A heating plate is provided on the left inner wall of the box. The temperature and humidity sensor is bidirectionally electrically connected to the single-chip microcomputer, and the input end of the heating plate is electrically connected to the output end of the single-chip microcomputer to realize the function of simulating outdoor temperature.

[0012] Furthermore, it also includes a turntable, which is rotatably connected to the bottom wall of the box, and the upper surface of the turntable is provided with an anti-slip pad. The lower side wall of the box is rotatably connected to a reduction motor, and the output shaft of the reduction motor is fixedly connected to the lower end of the turntable. The input end of the reduction motor is electrically connected to the output end of the single-chip microcomputer, thereby realizing the function of placing an outdoor electrical cabinet.

[0013] Furthermore, it also includes a water outlet, which is arranged on the bottom wall of the box body to achieve the function of drainage.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. When waterproofing of outdoor electrical cabinets is required, the external water pump can be adjusted, and high-pressure water is sprayed downward through the water inlet hose, water inlet pipe and sprinkler head to simulate outdoor raining operations. The sprayed water is discharged from the box through the water outlet. At this time, the external air pump can be adjusted, the telescopic cylinder is operated, and the telescopic end of the telescopic cylinder is extended and contracted, thereby driving the left sliding column to adjust the left and right position in the sleeve, and the rack plate can be adjusted to adjust the left and right position. At this time, the four gears can be driven to rotate forward and reverse, and then the lower surface of the mounting plate can be driven to adjust the left and right position through the rotating shaft, and then the sprinkler head can be driven to change the spraying direction. At this time, the single-chip microcomputer can be adjusted, the reduction motor can be operated, and the output shaft of the reduction motor can be rotated slowly, thereby driving the turntable to rotate to simulate rain in different wind directions;

[0016] 2. When moisture-proof operation is required, the single-chip microcomputer can be adjusted, and the temperature and humidity sensor can be operated. The temperature and humidity sensor measures the humidity and temperature inside the box in real time. At this time, the single-chip microcomputer can be adjusted, the heating plate can be operated, and the heating plate can heat the temperature inside the box in real time to simulate the outdoor temperature. At this time, according to the specified instructions, the outdoor environment can be simulated, and the outdoor electrical cabinet can be subjected to simulated rain in real time to simulate the high temperature and high humidity environment. After completing the above operations, manually open the sealed door, take out the outdoor electrical cabinet, open the outdoor electrical cabinet to detect the humidity inside, and then draw a conclusion on whether the outdoor electrical cabinet is moisture-proof and waterproof. Various outdoor environments can be automatically simulated to test the moisture-proof and waterproof operations of the electrical cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 This is an enlarged structural diagram of the utility model at A;

[0020] Figure 4 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0021] In the figure: 1 box, 2 test mechanism, 21 shaft, 22 mounting plate, 23 gear, 24 drive assembly, 241 slide column, 242 rack plate, 243 sleeve, 25 sprinkler head, 26 water inlet pipe, 3 telescopic cylinder, 4 single chip microcomputer, 5 temperature and humidity sensor, 6 heating plate, 7 turntable, 8 reduction motor, 9 support frame, 10 water outlet, 11 sealing door. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The present embodiment provides a technical solution: a moisture-proof and waterproof simulation test system for an outdoor electrical cabinet, comprising a box 1, a test mechanism 2 and a single-chip computer 4; a support frame 9 is provided on the bottom surface of the box 1, a sandwich is provided on the upper side of the front side of the box 1, a sealing door 11 is hinged on the left side of the front side of the box 1 through a pin shaft, the single-chip computer 4 is arranged on the upper side of the front side of the box 1, and the input end of the single-chip computer 4 is electrically connected to an external power supply; it also includes a temperature and humidity sensor 5, the temperature and humidity sensor 5 is arranged on the right side of the box 1, and the measuring end of the temperature and humidity sensor 5 extends into the box 1 Inside, a heating plate 6 is provided on the left inner wall of the box body 1, the temperature and humidity sensor 5 is electrically connected to the single-chip microcomputer 4 in both directions, and the input end of the heating plate 6 is electrically connected to the output end of the single-chip microcomputer 4; it also includes a turntable 7, which is rotatably connected to the bottom wall of the box body 1, and the upper surface of the turntable 7 is provided with an anti-slip pad. The lower side wall of the box body 1 is rotatably connected to a reduction motor 8, and the output shaft of the reduction motor 8 is fixedly connected to the lower end of the turntable 7, and the input end of the reduction motor 8 is electrically connected to the output end of the single-chip microcomputer 4; it also includes a water outlet 10, which is arranged on the bottom wall of the box body 1.

[0024] The test mechanism 2 includes a rotating shaft 21, a mounting plate 22, a gear 23, a spray head 25 and a water inlet pipe 26. The rotating shaft 21 is rotatably connected to the upper side between the front and rear inner walls of the box body 1. The outer arc surface of the rotating shaft 21 is respectively fixedly sleeved with a mounting plate 22. The lower surface of the mounting plate 22 is respectively provided with a spray head 25. The upper end of the spray head 25 is provided with a water inlet pipe 26. The upper end of the water inlet pipe 26 is connected to a water inlet hose. The rear end of the water inlet hose is externally connected to an external water pump. The front end of the rotating shaft 21 is fixedly connected to a gear 23. The gear 23 is located inside the interlayer. The test mechanism 2 also includes a driving component 24. The driving component Component 24 includes a slide column 241, a rack plate 242 and a sleeve 243. The sleeve 243 is arranged on the upper side of the left side surface of the box body 1. The slide column 241 is slidably connected inside the sleeve 243. The right end of the slide column 241 is provided with a rack plate 242. The left side of the rack plate 242 is also provided with a slide column 241. The tooth surfaces of the rack plate 242 are respectively meshed and connected with four gears 23. The rack plate 242 is located inside the interlayer; it also includes a telescopic cylinder 3, which is arranged on the upper side of the right side surface of the box body 1. The telescopic end of the telescopic cylinder 3 is fixedly connected to the right end of the slide column 241 on the right side, and the air inlet of the telescopic cylinder 3 is connected to an external air pump.

[0025] The working principle of the utility model is as follows:

[0026] When it is necessary to perform moisture-proof and waterproof operations on the outdoor electrical cabinet, the sealing door 11 is manually opened, the outdoor electrical cabinet is placed on the upper surface of the turntable 7, and the sealing door 11 is manually closed;

[0027] At this time, the external water pump can be regulated, and high-pressure water can be sprayed downward through the water inlet hose, the water inlet pipe 26 and the sprinkler head 25 to simulate outdoor rain operations, and the sprayed water is discharged from the box body 1 through the water outlet 10; at this time, the external air pump can be regulated, the telescopic cylinder 3 is operated, and the telescopic end of the telescopic cylinder 3 is extended and contracted, thereby driving the left sliding column 241 to adjust the left and right position in the sleeve 243, and the rack plate 242 can be regulated to adjust the left and right position. At this time, the four gears 23 can be driven to rotate forward and reverse, and then the lower surface of the mounting plate 22 is driven to adjust the left and right position through the rotating shaft 21, and then And drive the sprinkler head 25 to change the spraying direction; at this time, the single chip computer 4 controls the reduction motor 8 to operate, and the output shaft of the reduction motor 8 rotates slowly, thereby driving the turntable 7 to rotate, simulating rain in different wind directions; at this time, the single chip computer 4 can be adjusted, and the temperature and humidity sensor 5 can operate, and the temperature and humidity sensor 5 can measure the humidity and temperature inside the box body 1 in real time. At this time, the single chip computer 4 controls the heating plate 6 to heat and adjust the temperature inside the box body 1 in real time to simulate the outdoor temperature. At this time, according to the specified instructions, the outdoor environment can be simulated, and the outdoor electrical cabinet can be subjected to simulated rain in real time to simulate the operation of high temperature and high humidity environment;

[0028] After completing the above operations, manually open the sealed door 11, take out the outdoor electrical cabinet, open the outdoor electrical cabinet to detect the humidity inside, and then draw a conclusion on whether the outdoor electrical cabinet is moisture-proof and waterproof.

[0029] It is worth noting that the single chip microcomputer 4 disclosed in the above embodiment is specifically model S7-200, and the telescopic cylinder 3, the temperature and humidity sensor 5 and the reduction motor 8 can be freely configured according to the actual application scenario. It is recommended to use the SC series pneumatic telescopic cylinder for the telescopic cylinder 3, the temperature and humidity sensor 5 is recommended to use the THN01 model temperature and humidity sensor, and the reduction motor 8 is recommended to use the 4IK25RGN-C reduction speed regulating motor. The single chip microcomputer 4 controls the telescopic cylinder 3, the temperature and humidity sensor 5 and the reduction motor 8 using methods commonly used in the prior art.

[0030] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A moisture-proof and waterproof simulation test system for outdoor electrical cabinets, characterized in that: It comprises a box (1) and a testing mechanism (2); The bottom surface of the box body (1) is provided with a support frame (9), the upper side of the front side of the box body (1) is provided with an interlayer, and the left side of the front side of the box body (1) is hinged with a sealing door (11) via a pin shaft; The testing mechanism (2) comprises a rotating shaft (21), a mounting plate (22), a gear (23), a spray head (25) and a water inlet pipe (26); the rotating shaft (21) is rotatably connected to the upper side between the front and rear inner walls of the box body (1); the outer arc surface of the rotating shaft (21) is respectively fixedly sleeved with a mounting plate (22); the lower surface of the mounting plate (22) is respectively provided with a spray head (25); the upper end of each spray head (25) is provided with a water inlet pipe (26); the upper end of each water inlet pipe (26) is connected to a water inlet hose; the rear end of the water inlet hose is externally connected to an external water pump; the front end of the rotating shaft (21) is fixedly connected to a gear (23); and the gear (23) is located inside the interlayer; It also has a single-chip microcomputer (4), which is arranged on the upper side of the front side of the box body (1), and the input end of the single-chip microcomputer (4) is electrically connected to an external power supply.

2. The outdoor electrical cabinet moisture-proof and waterproof simulation test system according to claim 1, characterized in that: The testing mechanism (2) also includes a driving assembly (24), the driving assembly (24) including a sliding column (241), a rack plate (242) and a sleeve (243), the sleeve (243) being arranged on the upper side of the left side surface of the box body (1), the interior of the sleeve (243) being slidably connected with the sliding column (241), the right end of the sliding column (241) being provided with a rack plate (242), the left side of the rack plate (242) also being provided with a sliding column (241), the tooth surfaces of the rack plate (242) being meshed and connected with the four gears (23) respectively, and the rack plate (242) being located inside the interlayer.

3. The outdoor electrical cabinet moisture-proof and waterproof simulation test system according to claim 2, characterized in that: It also includes a telescopic cylinder (3), which is arranged on the upper side of the right side surface of the box body (1), the telescopic end of the telescopic cylinder (3) is fixedly connected to the right end of the right sliding column (241), and the air inlet of the telescopic cylinder (3) is connected to an external air pump.

4. The outdoor electrical cabinet moisture-proof and waterproof simulation test system according to claim 1, characterized in that: The invention also comprises a temperature and humidity sensor (5), wherein the temperature and humidity sensor (5) is arranged on the right side of the box body (1), the measuring end of the temperature and humidity sensor (5) extends into the interior of the box body (1), the left inner wall of the box body (1) is provided with a heating plate (6), the temperature and humidity sensor (5) is bidirectionally electrically connected to the single-chip computer (4), and the input end of the heating plate (6) is electrically connected to the output end of the single-chip computer (4).

5. The outdoor electrical cabinet moisture-proof and waterproof simulation test system according to claim 1, characterized in that: The invention also comprises a turntable (7), the turntable (7) being rotatably connected to the bottom wall of the box body (1), the upper surface of the turntable (7) being provided with an anti-slip pad, the lower side wall of the box body (1) being rotatably connected to a reduction motor (8), the output shaft of the reduction motor (8) being fixedly connected to the lower end of the turntable (7), and the input end of the reduction motor (8) being electrically connected to the output end of the single-chip computer (4).

6. The outdoor electrical cabinet moisture-proof and waterproof simulation test system according to claim 1, characterized in that: It also comprises a water outlet (10), wherein the water outlet (10) is arranged on the bottom wall of the box body (1).

Images