Wind and rain test box meeting national military standard test requirements
By designing a wind and rain test chamber with double-opening doors, turntables, water supply and rain spray structures, the problem of inability to adjust the simulated environment in the existing technology is solved, and flexible wind and rain tests for electronic products are realized, and the tests are improved. applicability and detection accuracy, and save water resources.
Patent Information
- Application Number
- CN202420990651.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The existing rain test chambers cannot freely adjust the simulated wind and rain environment, and are difficult to meet the test conditions of national and military standards, so they are not flexible enough to detect the waterproof performance of electronic products.
A wind and rain test chamber was designed, including a test chamber with double doors, a rotary table structure, a water supply structure and a spray rain structure. The lifting and air supply components of the spray rain structure can be adjusted through the control cabinet, which is simulated to meet the national Standard and military-standard wind and rain environments, and strong water spray structures are set up in the test chamber for prefabricated water spray tests.
It has achieved free adjustment of the simulated environment according to needs, met the test conditions of national standards and military standards, and conducted wind and rain tests on electronic products, which improved the applicability and convenience of the test, and reduced water resource waste through water recycling.
Smart Images

Figure CN222188666U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind and rain test, and more specifically, particularly relates to a wind and rain test box which meets the test requirements of national military standards. Background Art
[0002] With the development of China's manufacturing industry, the market has higher and higher quality requirements for electronic products and components (such as outdoor lighting, electrical appliances, auto parts and other electronic and electrical products), especially military equipment and its electronic components. In addition to meeting the test method of GB / T2423.3-2006 / IEC60068-2-78:2001 Environmental Testing for Electrical and Electronic Products Part 2, the constant humidity test of the Cab or
[0003] In addition to the waterproof test requirements of national standards such as "GB / T5170.5-2008 Environmental test equipment for electric and electronic products - Inspection methods - Humidity and heat test equipment" or "GB / T5170.5-2008 Environmental test equipment for electric and electronic products - Inspection methods - Humidity and heat test equipment", it is also necessary to meet the waterproof test requirements of Part 8 of the rain test of the national military standard "GJB150.08A-2009 Laboratory environmental test methods for military equipment".
[0004] At present, based on the above standards, in the process of rain testing the corresponding electronic and its component products, it is common in the market to use a rain test box to simulate the water environment to conduct wind and rain tests on electronic and its component products, so as to meet the test requirements for detecting the waterproof performance of electronic products. However, the existing rain test box can usually only simulate a single standard wind and rain environment, that is, it can only simulate the wind and rain environment according to national standards or military standards according to the needs to achieve the wind and rain test of electronic products. It is impossible to freely adjust the simulated wind and rain environment to meet the test conditions of national standards and military standards for electronic products. It is difficult to meet the actual application needs.
[0005] How to solve the above problems has become a technical problem that needs to be solved urgently. Utility Model Content
[0006] The technical problem to be solved by the utility model is to provide a wind and rain test box which can freely adjust the simulated environment according to the demand to meet the test conditions of national standards and military standards for conducting wind and rain tests on electronic products and meet the national military standard test requirements.
[0007] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0008] A wind and rain test box that meets the national military standard test requirements, including a test box with double doors and an equipment box arranged on the outer side wall of the test box; a turntable structure for placing a product to be tested is arranged in the test box; a spray rain structure connected to a water supply structure arranged in the equipment box and capable of freely adjusting a wind and rain simulation environment for performing a wind and rain test on the product to be tested is also arranged on one side of the test box close to the equipment box, wherein the turntable structure, the water supply structure and the spray rain structure are all electrically connected to a control cabinet installed on the inner wall of the equipment box on one side away from the test box.
[0009] Preferably, the turntable structure includes two slide rails which are arranged in a transverse interval in the test box and located on the bottom, at least two slide rods which can slide along the slide rails are arranged between the two slide rails, a base for connecting the two slide rods together is provided on the top of the slide rods, and a turntable for rotating and adjusting the placement of the product to be tested is provided on the top of the base through a turntable motor electrically connected to the control cabinet.
[0010] Preferably, the water supply structure includes a water collecting tank embedded in the bottom of the test box body, and one side of the water collecting tank passes through the outer wall of the test box body and extends into the equipment box body. A plurality of return water tanks connected to the water collecting tank are provided at the bottom of the test box body for recovering the spray water in the test box body into the water collecting tank. A spray water pump electrically connected to the control cabinet is also provided at the bottom of one end of the equipment box body close to the water collecting tank, and the water inlet end of the spray water pump is connected to one end of the water collecting tank extending into the interior of the equipment box body through a water inlet pipe, and the water outlet end of the spray water pump is connected to the spray rain structure through a water supply pipe.
[0011] Preferably, the rain spray structure includes a cover body which is arranged on the top of one side of the test box close to the equipment box and is connected to the test box, a maintenance ladder with a bottom connected to the top of the equipment box is provided at one side end of the cover body, a lifting drive device electrically connected to the control cabinet is provided at the top of the cover body, and the movable end of the lifting drive device is connected to a rain dripping plate which can be lifted and lowered with the end to simulate the rain environment according to the test conditions of national standards and military standards, and the rain dripping plate is connected to the water supply pipe through a water supply hose, and also includes an axial flow fan electrically connected to the control cabinet and provided on a side wall of the test box close to the equipment box.
[0012] Preferably, the lifting drive device includes a guide wheel arranged at the top of the inner side of the cover body close to the maintenance ladder, and also includes a guide groove arranged at the top of the inner side of the cover body away from the maintenance ladder. A lifting motor electrically connected to the control cabinet is provided at the top of the outer side of the cover body through a protective shell, and a connecting rope is connected to the output shaft end of the lifting motor. The end of the connecting rope away from the output shaft of the lifting motor passes through the guide wheel and the guide groove in sequence and is connected to the top of the rain drop plate. A travel switch electrically connected to the control cabinet is provided on both sides of the inner side of the cover body to prevent the rain drop plate from colliding with the top of the cover body and causing damage.
[0013] Preferably, a strong water spray structure for performing a strong water spray test on the product to be tested is provided on the inner wall of the other end of the test box away from the cover body.
[0014] Preferably, the strong water spray structure includes a strong water spray pump arranged at the bottom of one end of the test box away from the spray water pump and electrically connected to the control cabinet, and the water inlet end of the strong water spray pump is connected to the water collecting tank located at one end inside the equipment box through a water pipe, and the outlet end of the strong water spray pump is connected to a plurality of nozzles arranged in parallel on the inner wall of the other end of the test box away from the cover body through a water spray pipe, and a stop valve is provided on the end of the water spray pipe close to the nozzle.
[0015] Preferably, the control cabinet is a control cabinet with a touch screen operation panel and a PLC controller.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. When the utility model is used, the double doors of the test box are opened for the operator to enter the test box to adjust the supporting components of the turntable structure to an appropriate position, and then the product to be tested is placed on the supporting components of the turntable structure and the double doors are closed. The operator then enters the equipment box and starts the spray rain structure through the control cabinet according to the test conditions. The spray components of the spray rain structure are raised and lowered to a predetermined height position according to the requirements of national standards or military standards to meet the test conditions of freely adjusting the simulated environment to meet the test conditions of national standards or military standards. Then the water supply structure and the air supply components of the spray rain structure are started. Through the mutual cooperation of the air supply components and the spray components of the spray rain structure in combination with the water supply structure, a test condition that meets the national standards or military standards is simulated to perform a wind and rain test on the product to be tested, which effectively improves the applicability and convenience of use. Therefore, the utility model has the advantage of being able to freely adjust the simulated environment according to the needs to meet the test conditions of national standards and military standards for performing wind and rain tests on electronic products.
[0018] 2. The utility model also provides a strong water spray structure for performing a strong water spray test on the inner wall of the other end of the test box away from the cover body. During use, the strong water spray structure can perform a prefabricated water spray test on the product to be tested, further improving the applicability of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0020] Figure 1 It is a structural schematic diagram of a wind and rain test box that meets the national military standard test requirements described in the utility model;
[0021] Figure 2 It is a schematic diagram of a water supply structure of a wind and rain test box that meets the national military standard test requirements described in the utility model;
[0022] Figure 3 It is a schematic diagram of a strong water spray structure of a wind and rain test box that meets the national military standard test requirements described in the utility model;
[0023] Figure 4 It is a schematic diagram of a turntable structure of a wind and rain test box that meets the national military standard test requirements described in the utility model;
[0024] Figure 5 The utility model discloses a circuit connection block diagram of a wind and rain test box which meets the national military standard test requirements.
[0025] Explanation of the accompanying drawings: 1. Double door, 2. Test box, 3. Equipment box, 4. Turntable structure, 41. Slide rail, 42. Slide rod, 43. Base, 44. Turntable motor, 45. Turntable, 5. Water supply structure, 51. Water collecting tank, 52. Return water tank, 53. Spray water pump, 54. Water inlet pipe, 55. Water supply pipe, 6. Spray rain structure, 61. Cover body, 62. Maintenance ladder, 63. Lifting drive device, 100. Guide wheel, 200. Guide groove, 300. Protective shell, 400. Lifting motor, 500. Connecting rope, 600. Travel switch, 64. Rain drop plate, 65. Water supply hose, 66. Axial flow fan, 7. Control cabinet, 8. Strong water spray structure, 81. Strong water spray pump, 82. Water spray pipe, 83. Nozzle, 84. Stop valve. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0027] See also Figures 1 to 5As shown, a wind and rain test box that meets the national military standard test requirements includes a test box 2 with a double door 1 and an equipment box 3 arranged on the outer wall of the test box 2; a turntable structure 4 for placing the product to be tested is arranged in the test box 2; and a spray rain structure 6 connected to a water supply structure 5 arranged in the equipment box 3 and capable of freely adjusting the wind and rain simulation environment for performing wind and rain tests on the product to be tested is also arranged on the side of the test box 2 close to the equipment box 3, wherein the turntable structure 4, the water supply structure 5, and the spray rain structure 6 are all electrically connected to a control cabinet 7 installed on the inner wall of the equipment box 3 on the side away from the test box 2. During use, the double door 1 of the test box 2 is opened for the operator to enter the test box 2 to adjust the supporting components of the turntable structure 4 to an appropriate position, and then the product to be tested is placed on the supporting components of the turntable structure 4 and the double door 1 is closed. The operator then enters the equipment box 3 and, according to the test conditions, starts the spray rain structure 6 through the control cabinet 7 so that the spray components of the spray rain structure 6 are raised and lowered to a predetermined height position in accordance with the requirements of national standards or military standards to meet the test conditions of freely adjusting the simulated environment to meet national standards or military standards. Then, the water supply structure 5 and the air supply components of the spray rain structure 6 are started, and a wind and rain test condition that meets national standards or military standards is simulated through the mutual cooperation of the air supply components and the spray components of the spray rain structure 6 in combination with the water supply structure 5 to perform wind and rain tests on the product to be tested, which can effectively improve the applicability and convenience of use.
[0028] In this embodiment, the turntable structure 4 includes two slide rails 41 which are arranged in a transverse interval and arranged in the test box 2 and located on the bottom. At least two slide rods 42 which can slide along the slide rails 41 are arranged between the two slide rails 41. A base 43 for connecting the two slide rods 42 together is provided on the top of the slide rod 42. A turntable 45 for rotating and adjusting the placement of the product to be tested is provided on the top of the base 43 through a turntable motor 44 which is electrically connected to the control cabinet 7. During use, after opening the double door 1 of the test box 2 to allow the operator to enter the test box 2, the operator pushes the turntable 45 of the turntable structure 4 together with the base 43, the turntable motor 44 and the slide rod 42 to move relative to the slide rail 41 to an appropriate position, thereby adjusting the turntable 45 to a predetermined position, and then placing the product to be tested on the turntable 45, and then closing the double door 1. At the same time, during the wind and rain test, the turntable motor 44 is started by the control cabinet 7 to work at a predetermined speed, which can drive the turntable 45 together with the product to be tested to rotate at a predetermined speed, thereby realizing a 360-degree wind and rain test on the product to be tested, effectively improving the accuracy of the test detection.
[0029] In this embodiment, the water supply structure 5 includes a water collecting tank 51 embedded in the bottom of the test box 2, and one side of the water collecting tank 51 passes through the outer wall of the test box 2 and extends into the equipment box 3. A plurality of return water tanks 52 connected to the water collecting tank 51 and used to recover the spray water in the test box 2 to the water collecting tank 51 are provided at the bottom of the test box 2. A spray water pump 53 electrically connected to the control cabinet 7 is also provided at the bottom of one end of the equipment box 3 near the water collecting tank 51, and the water inlet end of the spray water pump 53 is connected to one end of the water collecting tank 51 extending into the interior of the equipment box 3 through a water inlet pipe 54, and the water outlet end of the spray water pump 53 is connected to the spray rain structure 6 through a water supply pipe 55. During use, under the water supply of the water collecting tank 51 of the water supply structure 5, the spray water pump 53 is started through the control cabinet 7, and the water in the water collecting tank 51 is transported to the rain dripping plate 64 through the water inlet pipe 54, the water supply pipe 55, and the water supply hose 65 in sequence by the spray water pump 53. The rain dripping plate 64 performs a rain dripping effect to simulate a rain test condition that meets national or military standards. At the same time, the water dripping from the rain dripping plate 64 into the test box 2 is then drained back to the water collecting tank 51 through the return groove 52, thereby realizing water circulation operation. While meeting the water supply rain dripping test, it can also effectively reduce the waste of water resources and achieve the effect of energy saving and environmental protection.
[0030] In this embodiment, the rain spray structure 6 includes a cover body 61 which is arranged on the top of one side of the test box 2 close to the equipment box 3 and is connected to the test box 2, and a maintenance ladder 62 with a bottom connected to the top of the equipment box 3 is provided at one side end of the cover body 61, and a lifting drive device 63 electrically connected to the control cabinet 7 is provided at the top of the cover body 61, and the movable end of the lifting drive device 63 is connected to a rain drop plate 64 that can be lifted and lowered with the end to simulate the rain environment according to the test conditions of national standards and military standards, and the rain drop plate 64 is connected to the water supply pipe 55 through a water supply hose 65, and also includes an axial flow fan 66 electrically connected to the control cabinet 7 and provided on a side wall of the test box 2 close to the equipment box 3. The lifting drive device 63 includes a guide wheel 100 arranged at the top of the inner side of the cover body 61 close to the maintenance ladder 62, and also includes a guide groove 200 arranged at the top of the inner side of the cover body 61 away from the maintenance ladder 62. A lifting motor 400 electrically connected to the control cabinet 7 is provided at the top of the outer side of the cover body 61 through a protective shell 300, and a connecting rope 500 is connected to the output shaft end of the lifting motor 400. The end of the connecting rope 500 away from the output shaft of the lifting motor 400 passes through the guide wheel 100 and the guide groove 200 in sequence and is connected to the top of the rain drop plate 64. A travel switch 600 electrically connected to the control cabinet 7 is provided on both sides of the inner side of the cover body 61 to prevent the rain drop plate 64 from colliding with the top of the cover body 61 and causing damage.During use, the operator enters the equipment box 3, and according to the test conditions, starts the lifting motor 400 of the lifting drive device 63 of the spray rain structure 6 through the control cabinet 7. Under the mutual guidance of the guide wheel 100 and the guide groove 200 and the limiting effect of the travel switch 600, the lifting motor 400 drives the connecting rope 500 to drive the rain drop plate 64 to rise and fall together, so as to adjust the rain drop plate 64 to the height position required by the national standard or military standard for the rain test conditions, thereby satisfying the free adjustment of the simulated environment to meet the test conditions of the national standard or military standard. Under the water supply effect of the water supply structure 5, the axial flow fan 66 of the water supply structure 5 and the spray rain structure 6 is started through the control cabinet 7, and the water supply structure 5 transports water through the water supply hose 65 The rain drops down from the drip plate 64 and mixes with the air supply of the axial flow fan 66, thereby simulating a wind and rain test condition that meets national standards or military standards to carry out a wind and rain test on the product to be tested, which can effectively improve the applicability and convenience of use. In addition, during the test, the turntable motor 44 is started by the control cabinet 7 to work at a predetermined speed to drive the turntable 45 together with the product to be tested to rotate at a predetermined speed, thereby realizing a 360-degree wind and rain test on the product to be tested, effectively improving the accuracy of the test detection. At the same time, through the protective effect of the cover body 61 and the protective shell 300, the other components of the spray rain structure 6 are not easily damaged by external objects, and the maintenance ladder 62 is provided to facilitate the maintenance and repair of the spray rain structure 6, effectively providing convenience for use.
[0031] In this embodiment, a strong water spray structure 8 for performing a strong water spray test on the product to be tested is provided on the inner wall of the other end of the test box 2 away from the cover body 61. The strong water spray structure 8 includes a strong water spray pump 81 provided at the bottom of one end of the test box 2 away from the spray water pump 53 and electrically connected to the control cabinet 7, and the water inlet end of the strong water spray pump 81 is connected to the water collecting tank 51 located at one end inside the equipment box 3 through a water pipe, and the outlet end of the strong water spray pump 81 is connected to a plurality of nozzles 83 provided in parallel on the inner wall of the other end of the test box 2 away from the cover body 61 through a water spray pipe 82, and a stop valve 84 is provided on the end of the water spray pipe 82 close to the nozzle 83. During use, when it is necessary to perform a non-standard prefabricated water spray test on the product to be tested, the double door 1 of the test box 2 is opened to allow the operator to enter the test box 2, and the operator pushes the turntable 45 of the turntable structure 4 together with the base 43 and the turntable motor 44, the product to be tested and the slide bar 42 to move relative to the slide rail 41 to an appropriate position, so that the turntable 45 together with the product to be tested is adjusted to below the nozzle 83, and the stop valve 84 of the strong water spray structure 8 is opened, and the strong water spray pump 81 is started through the control cabinet 7. The strong water spray pump 81 is used to transport the water in the water collecting tank 51 to each nozzle 83 through the external water pipe and the water spray pipe. The turntable 45 and the product to be tested are driven to rotate by the turntable motor 44, and water is sprayed through the nozzle 83 to perform a 360-degree prefabricated strong water spray test on the product to be tested, thereby further improving the applicability of use.
[0032] In this embodiment, the control cabinet 7 is a control cabinet with a touch screen operation panel and a PLC controller.
[0033] When this embodiment is used, first, the double-open door 1 of the test box 2 is opened to allow the operator to enter the test box 2, and the operator pushes the turntable 45 of the turntable structure 4 together with the base 43, the turntable motor 44 and the slide rod 42 to move relative to the slide rail 41 to an appropriate position, thereby adjusting the turntable 45 to a predetermined position, and then placing the product to be tested on the turntable 45, and then closing the double-open door 1. At the same time, during the wind and rain test, the turntable motor 44 is started by the control cabinet 7 to work at a predetermined speed, which can drive the turntable 45 and the product to be tested to rotate at a predetermined speed, so that a 360-degree wind and rain test can be performed on the product to be tested, effectively improving the test The accuracy of the detection; secondly, the operator enters the equipment box 3, and according to the test conditions, starts the lifting motor 400 of the lifting drive device 63 of the spray rain structure 6 through the control cabinet 7. Under the mutual guidance of the guide wheel 100 and the guide groove 200 and the limiting effect of the travel switch 600, the lifting motor 400 drives the connecting rope 500 to drive the rain drop plate 64 to rise and fall together, so as to adjust the rain drop plate 64 to the height position required by the national standard or military standard for the rain test conditions, thereby satisfying the free adjustment of the simulated environment to meet the test conditions of the national standard or military standard; then, under the water supply effect of the water collecting tank 51 of the water supply structure 5, through the control The cabinet 7 starts the spray water pump 53 and the axial flow fan 66 to work, and uses the spray water pump 53 to transport the water in the water collecting box 51 to the rain dripping plate 64 through the water inlet pipe 54, the water supply pipe 55, and the water supply hose 65 in turn. The rain dripping plate 64 performs a rain dripping effect to simulate a rain test condition that meets national standards or military standards. At the same time, the water dripping from the rain dripping plate 64 into the test box 2 is then drained back to the water collecting box 51 through the return water tank 52, thereby realizing the water circulation operation. While meeting the water supply rain dripping test, it can also effectively reduce the waste of water resources and achieve the effect of energy saving and environmental protection. In addition, the rain dripping from the rain dripping plate 64 is mixed with the air supply of the axial flow fan 66 to simulate a rain test condition that meets national standards or military standards. The wind and rain test conditions of national standards or military standards are used to conduct wind and rain tests on the products to be tested, which can effectively improve the applicability and convenience of use. In addition, during the test, the turntable motor 44 is started by the control cabinet 7 to work at a predetermined speed to drive the turntable 45 together with the product to be tested to rotate at a predetermined speed, thereby realizing a 360-degree wind and rain test on the product to be tested, effectively improving the accuracy of the test detection. At the same time, through the protective effect of the cover body 61 and the protective shell 300, other components of the spray rain structure 6 are not easily damaged by foreign objects, and the maintenance ladder 62 is provided to facilitate the maintenance and repair of the spray rain structure 6, effectively submitting the convenience of use;Finally, the double door 1 of the test box 2 is opened to allow the operator to enter the test box 2. The operator pushes the turntable 45 of the turntable structure 4 together with the base 43 and the turntable motor 44, the product to be submerged and the slide bar 42 to move and adjust to an appropriate position relative to the slide rail 41, so that the turntable 45 and the product to be tested are adjusted to the bottom of the nozzle 83, the stop valve 84 of the strong water spray structure 8 is opened, and the strong water spray pump 81 is started through the control cabinet 7. The strong water spray pump 81 is used to transport the water in the water collection tank 51 to each nozzle 83 through the external water pipe and the water spray pipe in turn. The turntable 45 and the product to be tested are driven and rotated by the turntable motor 44, and water is sprayed through the nozzle 83 to perform a 360-degree prefabricated strong water spray test on the product to be tested, which further improves the applicability of use. ;
[0034] In summary, the utility model adopts the above structure, which has the advantage of being able to freely adjust the simulated environment according to needs to meet the test conditions of national standards and military standards for conducting wind and rain tests on electronic products.
[0035] For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all of these changes and deformations should fall within the protection scope of the claims of the utility model.
Claims
1. A wind and rain test box that meets the national military standard test requirements, comprising a test box body (2) with double doors (1) and an equipment box body (3) arranged on the outer side wall of the test box body (2); characterized in that: A turntable structure (4) for placing the product to be tested is provided in the test box (2); and a spray rain structure (6) is provided on a side of the test box (2) close to the equipment box (3) and connected to a water supply structure (5) provided in the equipment box (3) so as to freely adjust the wind and rain simulation environment for performing a wind and rain test on the product to be tested, wherein the turntable structure (4), the water supply structure (5) and the spray rain structure (6) are all electrically connected to a control cabinet (7) installed on an inner wall of the equipment box (3) away from the test box (2).
2. The wind and rain test box that meets the national military standard test requirements according to claim 1 is characterized by: The turntable structure (4) comprises two slide rails (41) arranged in a transversely spaced relationship and located at the bottom of the test box (2); at least two slide bars (42) capable of sliding along the slide rails (41) are spaced apart between the two slide rails (41); a base (43) for connecting the two slide bars (42) together is provided on the top of the slide bars (42); and a turntable (45) for rotating and adjusting the placement of the product to be tested is provided on the top of the base (43) via a turntable motor (44) electrically connected to the control cabinet (7).
3. The wind and rain test box that meets the national military standard test requirements according to claim 1 is characterized in that: The water supply structure (5) comprises a water collecting box (51) embedded in the bottom of the test box (2), and one side of the water collecting box (51) penetrates the outer wall of the test box (2) and extends into the equipment box (3). A plurality of return water tanks (52) are provided at the bottom of the test box (2) and are used to recover the spray water in the test box (2) into the water collecting box (51). A spray water pump (53) electrically connected to the control cabinet (7) is also provided at the bottom of one end of the equipment box (3) near the water collecting box (51), and the water inlet end of the spray water pump (53) is connected to one end of the water collecting box (51) extending into the interior of the equipment box (3) through a water inlet pipe (54), and the water outlet end of the spray water pump (53) is connected to the spray rain structure (6) through a water supply pipe (55).
4. The wind and rain test box that meets the national military standard test requirements according to claim 3 is characterized by: The rain spray structure (6) comprises a cover body (61) arranged on the top of one side of the test box (2) close to the equipment box (3) and connected to the test box (2); a maintenance ladder (62) with a bottom connected to the top of the equipment box (3) is arranged on one side end of the cover body (61); a lifting drive device (63) electrically connected to the control cabinet (7) is arranged on the top of the cover body (61); and a rain drop plate (64) is connected to the movable end of the lifting drive device (63) which can be lifted and lowered with the end to simulate a rain environment according to the test conditions of national standards and military standards, and the rain drop plate (64) is connected to the water supply pipe (55) through a water supply hose (65); and an axial flow fan (66) electrically connected to the control cabinet (7) is arranged on a side wall of the test box (2) close to the equipment box (3).
5. The wind and rain test box that meets the national military standard test requirements according to claim 4 is characterized in that: The lifting drive device (63) comprises a guide wheel (100) arranged at the top of the inner part of the cover body (61) close to the maintenance ladder (62), and also comprises a guide groove (200) arranged at the top of the inner part of the cover body (61) away from the maintenance ladder (62). A lifting motor (400) electrically connected to the control cabinet (7) is arranged at the top of the outer part of the cover body (61) through a protective shell (300), and a connecting rope (500) is connected to the output shaft end of the lifting motor (400). The end of the connecting rope (500) away from the output shaft of the lifting motor (400) passes through the guide wheel (100) and the guide groove (200) in sequence and is connected to the top of the rain drop plate (64). A travel switch (600) electrically connected to the control cabinet (7) and used to prevent the rain drop plate (64) from colliding with the top of the cover body (61) and causing damage is also arranged on both sides of the inner part of the cover body (61).
6. The wind and rain test box that meets the national military standard test requirements according to claim 5 is characterized by: A strong water spray structure (8) for performing a strong water spray test on the product to be tested is provided on the inner wall at the other end of the test box (2) away from the cover (61).
7. The wind and rain test box that meets the national military standard test requirements according to claim 6 is characterized by: The strong water spray structure (8) comprises a strong water spray pump (81) which is arranged at the bottom of one end of the test box (2) away from the spray water pump (53) and is electrically connected to the control cabinet (7), and the water inlet end of the strong water spray pump (81) is connected to the water collecting tank (51) located at one end inside the equipment box (3) through a water pipe, and the outlet end of the strong water spray pump (81) is connected to a plurality of nozzles (83) arranged in parallel on the inner wall of the other end of the test box (2) away from the cover (61) through a water spray pipe (82), and a stop valve (84) is also provided on the end of the water spray pipe (82) close to the nozzle (83).
8. The wind and rain test box that meets the national military standard test requirements according to any one of claims 1 to 7, characterized in that: The control cabinet (7) is a control cabinet with a touch screen operation panel and a PLC controller.
