Rainfall waterproof detection device and method

Abstract

This invention discloses a rain-testing waterproof testing device and method, belonging to the technical field of testing equipment. The device includes a housing, a spray unit, a water circulation unit, a multi-axis drive mechanism, and a PLC control unit. A testing platform is mounted on the housing. The spray unit includes a multi-angle spray mechanism and an atomizing spray mechanism. The multi-axis drive mechanism is located on the testing platform and has a loading platform at its output end. The testing platform has a drain hole. The water circulation unit includes a water tank and a water pump at the bottom of the housing. The PLC host is signal-connected to each actuator and functional unit. This invention adjusts the sample posture through the multi-axis drive mechanism and, in conjunction with the dual-path spray system, achieves all-around, blind-spot-free spraying, eliminating detection blind spots and improving detection accuracy. The PLC enables fully automated control of the entire process, and the closed-loop water circulation allows for water reuse, reducing water consumption. The equipment is highly adaptable, widely applicable, compact and stable in structure, has a low failure rate, and is easy to maintain and repair.

Description

Technical Field

[0001] This invention relates to the field of testing equipment technology, and in particular to a rain-testing waterproof testing device and method. Background Technology

[0002] With the rapid development of industries such as electronics, automobiles, and outdoor equipment, the waterproof performance of various products has become a key indicator affecting product quality and service life. Rain testing, as a mandatory quality inspection process before such products leave the factory, must strictly follow national standards and achieve accurate testing of specific spray angles, flow rates, pressures, and durations for different protection levels.

[0003] Current rain testing equipment has many shortcomings: First, the spray mechanism has a fixed angle or a limited adjustment range, which cannot achieve full coverage of the sample to be tested, resulting in blind spots and affecting the authenticity of the test results; Second, most equipment uses a disposable water mode, and the test water cannot be recycled, resulting in serious waste of water resources, which does not meet the development needs of energy conservation and environmental protection. Summary of the Invention

[0004] This invention aims to at least solve the technical problems existing in the prior art. To this end, this invention proposes a rain-spray waterproof testing device and method, which provides comprehensive spray coverage, saves water and is environmentally friendly, has strong adaptability, and meets the high standards required for product waterproof testing in various industries.

[0005] According to a first aspect of the present invention, a rain and water resistance testing device includes a housing, a spray unit, a water circulation unit, a multi-axis drive mechanism, and a PLC control unit. A testing platform is mounted on the housing. The spray unit includes a multi-angle spray mechanism and a misting spray mechanism. The multi-axis drive mechanism is mounted on the testing platform, and a loading platform is mounted at the output end of the multi-axis drive mechanism. Both the multi-angle spray mechanism and the misting spray mechanism are mounted on the testing platform, located at the top of the loading platform. A drain hole is provided on the testing platform. The water circulation unit includes a water tank and a water pump. The water tank is located at the bottom of the housing. The drain hole communicates with the water tank, and the water pump communicates with both the multi-angle spray mechanism and the misting spray mechanism. The PLC control unit includes a PLC host, which is signal-connected to the multi-angle spray mechanism, the misting spray mechanism, the multi-axis drive mechanism, the water circulation unit, and the power slide rail assembly.

[0006] According to some embodiments of the first aspect of the present invention, a rainproof testing device is provided, wherein the water circulation unit further includes a plurality of reabsorption return pipes, all of which are disposed at the bottom of the testing platform, the drain hole is connected to the top of the reabsorption return pipe, and the bottom of the reabsorption return pipe is connected to the water tank.

[0007] According to some embodiments of the first aspect of the present invention, a rain and water resistance testing device includes a multi-axis drive mechanism comprising a support base, a connecting base, a first rotary drive motor, and a second rotary drive motor. The first rotary drive motor is disposed at one end of the support base near the spray unit, and the output end of the first rotary drive motor is connected to the end of the connecting base. The rotation axis of the first rotary drive motor is arranged in a horizontal direction. The second rotary drive motor is disposed on the connecting base, and the bottom of the carrying platform is connected to the second rotary drive motor. The rotation axis of the second rotary drive motor is arranged in a vertical direction.

[0008] According to some embodiments of the first aspect of the present invention, a rainproof testing device is provided, wherein a barrier is provided around the top outer periphery of the loading platform, and at least two hydraulic positioning mechanisms are provided on the inner side of the barrier.

[0009] According to some embodiments of the first aspect of the present invention, a rain and water resistance testing device is provided with a connecting plate at one end of the support base near the loading platform, and a receiving cavity is provided in the connecting plate. A first gear is provided at the output end of the first rotary drive motor, and the first gear is located at the bottom of the receiving cavity. The end of the connecting base is rotatably connected to the connecting plate. A second gear is provided at one end of the connecting base near the support base, and the first gear meshes with the second gear.

[0010] According to some embodiments of the first aspect of the present invention, a rainproof testing device is provided on the top of the testing platform, the power slide rail assembly including a slide rail base, a sliding drive motor, a power sliding platform, a sliding component, and a limiting component; the slide rail base is fixed to the top of the testing platform, the power sliding platform is slidably connected to the slide rail base, the sliding drive motor is fixed to the power sliding platform, the output end of the sliding drive motor is connected to the sliding component, the limiting component is disposed between the slide rail base and the power sliding platform for displacement limiting and positioning, and the multi-axis drive mechanism is disposed on the top of the power sliding platform.

[0011] According to some embodiments of the first aspect of the present invention, a rain and water resistance testing device includes a sliding assembly comprising a synchronous belt, two synchronous pulleys, and two positioning rollers. Positioning seats are provided on both sides of the slide rail base. The two synchronous pulleys are rotatably mounted on the two positioning seats. The slide rail base has two parallel through slots along a horizontal direction. The two synchronous pulleys are located at the left and right ends of the through slots, respectively. The upper and lower ends of the synchronous belt pass through the two through slots, and both ends of the synchronous belt are drivingly connected to the two synchronous pulleys. A clearance slot is provided at the top of the upper through slot. The two positioning rollers are located at the left and right ends of the clearance slot. A clearance space is provided in the middle of the powered sliding platform, and the clearance space is located at the top of the clearance slot. A drive wheel is provided at the output end of the sliding drive motor, and the drive wheel is drivingly connected to the synchronous belt. The drive wheel is located at the top of the two positioning rollers.

[0012] According to some embodiments of the first aspect of the present invention, a rainproof testing device is provided on the top of the testing platform, wherein two power slide rail assemblies are provided symmetrically, and the tops of the two power sliding platforms are connected to the bottom of the multi-axis drive mechanism.

[0013] According to some embodiments of the first aspect of the present invention, a rain and water resistance testing device is provided with a first guide groove on the top of the slide rail base and a guide block on the bottom of the powered sliding platform, the guide block extending into the first guide groove; a second guide groove is provided on the outer side of the slide rail base and an mounting block is provided on the bottom of the outer side of the powered sliding platform, a roller is rotatably mounted on the mounting block and the roller extends into the second guide groove.

[0014] A rain-resistant waterproof testing method according to some embodiments of the first aspect of the present invention, applied to a rain-resistant waterproof testing device according to some embodiments of the first aspect, includes the following steps: S1. Fix the sample to be tested on the platform of the equipment. Based on the external dimensions of the sample to be tested and the target waterproof protection level, preset the spray parameters, the operating parameters of each drive mechanism and the total test time in the control system. S2. Start the water circulation unit and spray unit. The water pump draws and pressurizes the test water in the water tank and delivers it to the multi-angle spray mechanism and / or atomizing spray mechanism to perform spraying operation on the sample to be tested. Simultaneously start the multi-axis drive mechanism so that all outer surfaces of the sample to be tested are covered by spray. S3. During the spraying operation, the test wastewater after spraying is collected through the drain hole of the test platform, and then guided back to the water tank through the reabsorption return pipe. After filtration, it is pumped back to the spraying unit for recycling. S4. When the testing time reaches the preset value, the spray unit, multi-axis drive mechanism and water circulation unit are shut down in sequence, the sample to be tested is released, and the single waterproof test operation is completed.

[0015] According to some embodiments of the present invention, a rain-resistant waterproof testing device and method have at least the following beneficial effects: This invention utilizes a multi-axis drive mechanism to enable multi-degree-of-freedom attitude adjustment of the test sample via a platform. Combined with a dual-path synergistic spray system comprised of a multi-angle spray mechanism and an atomizing spray mechanism, it achieves comprehensive, blind-spot-free spray coverage of the test sample, completely eliminating the blind spots caused by the fixed spray angles and limited adjustment range of traditional equipment. This significantly improves the accuracy and reliability of waterproof performance test results. Simultaneously, a closed-loop water circulation unit consisting of a drain hole on the test platform, a water tank at the bottom of the chamber, and a water pump enables the recovery and reuse of test water, replacing the single-use water model of traditional equipment. This significantly reduces water consumption, saving energy and protecting the environment while effectively reducing long-term operating costs. Furthermore, the dual-spray system can adapt to different protection levels of testing requirements. Combined with a flexibly adjustable loading platform, it is widely applicable to waterproofing quality inspection of various specifications of products in multiple industries such as electronics, automobiles, and outdoor equipment. The equipment is highly adaptable and has a wide range of applications. The entire machine adopts an integrated, partitioned layout, with a compact and stable structure, effectively reducing the space occupied by the equipment. Moreover, the water circulation system and mechanical drive system are independently arranged and do not interfere with each other, reducing the equipment failure rate and facilitating daily maintenance and repair.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of an embodiment of the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of the present invention with part of the box body hidden.

[0019] Figure 3 This is a schematic diagram of the structure of the present invention with the housing and water circulation unit hidden.

[0020] Figure 4 This is a schematic diagram of the multi-axis drive mechanism, the loading platform, and the power slide rail assembly according to an embodiment of the present invention.

[0021] Figure 5 This is a cross-sectional view of the power slide rail assembly according to an embodiment of the present invention.

[0022] Figure 6 This is a schematic diagram of the support base and connecting plate according to an embodiment of the present invention.

[0023] Reference numerals: 1. Housing; 2. Spray unit; 21. Multi-angle spray mechanism; 211. Rod; 212. Spray pipe; 22. Atomizing spray mechanism; 3. Water circulation unit; 31. Water tank; 32. Water pump; 33. Reabsorption return pipe; 4. Multi-axis drive mechanism; 41. Support base; 42. Connecting base; 421. Second gear; 43. First rotary drive motor; 431. First gear; 44. Second rotary drive motor; 45. Connecting plate; 451. Receptacle; 5. Detection platform; 51. Drainage hole. 6. Carrying platform; 61. Enclosure; 62. Hydraulic positioning mechanism; 7. Power slide rail assembly; 71. Slide rail base; 711. Positioning seat; 712. Through groove; 713. Clearance groove; 714. First guide groove; 715. Second guide groove; 72. Sliding drive motor; 721. Drive wheel; 73. Power sliding platform; 731. Clearance space; 732. Guide block; 733. Mounting block; 734. Roller; 74. Sliding assembly; 741. Synchronous belt; 742. Synchronous pulley; 743. Positioning roller. Detailed Implementation

[0024] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, left, right, front, and back, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0026] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0027] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0028] like Figures 1-6 As shown in the figure, this embodiment of the invention provides a rain-resistant waterproof testing device.

[0029] A rainproof testing device includes a housing 1, a spray unit 2, a water circulation unit 3, and a multi-axis drive mechanism 4. A testing platform 5 is mounted on the housing 1. The spray unit 2 includes a multi-angle spray mechanism 21 and a misting spray mechanism 22. The multi-axis drive mechanism 4 is mounted on the testing platform 5, and a loading platform 6 is mounted at the output end of the multi-axis drive mechanism 4. Both the multi-angle spray mechanism 21 and the misting spray mechanism 22 are mounted on the testing platform 5, located at the top of the loading platform 6. A drain hole 51 is provided on the testing platform 5. The water circulation unit 3 includes a water tank 31 and a water pump 32. The water tank 31 is located at the bottom of the housing 1. The drain hole 51 communicates with the water tank 31, and the water pump 32 communicates with both the multi-angle spray mechanism 21 and the misting spray mechanism 22.

[0030] This invention utilizes a multi-axis drive mechanism 4 to drive a platform 6, enabling multi-degree-of-freedom attitude adjustment of the sample under test. Combined with a dual-path coordinated spraying system consisting of a multi-angle spraying mechanism 21 and an atomizing spraying mechanism 22, it achieves comprehensive, blind-spot-free spray coverage of the sample, completely eliminating the blind spots caused by the fixed spray angle and limited adjustment range of traditional equipment. This significantly improves the accuracy and reliability of waterproof performance test results. Simultaneously, a closed-loop water circulation unit 3, consisting of a drain hole 51 on the test platform 5, a water tank 31 at the bottom of the chamber 1, and a water pump 32, enables the recovery and reuse of test water, replacing the limitations of traditional equipment. The single-use water model significantly reduces water consumption, saving energy and protecting the environment while effectively reducing long-term operating costs. Furthermore, the dual-spray system can adapt to different protection levels of testing requirements, and with the flexibly adjustable loading platform 6, it is widely applicable to waterproof quality inspection of various specifications of products in multiple industries such as electronics, automobiles, and outdoor equipment. The equipment is highly adaptable and has a wide range of applications. The entire machine adopts an integrated, partitioned layout, with a compact and stable structure, effectively reducing the equipment's footprint. Moreover, the water circulation system and mechanical drive system are independently arranged and do not interfere with each other, reducing the equipment failure rate and facilitating daily maintenance and repair.

[0031] The rain and water resistance testing device described in this embodiment includes a multi-angle spraying mechanism 21 comprising a liftable and adjustable rod 211 and multiple spray pipes 212, wherein the spray pipes 212 are rotatably mounted on the rod 211, and the atomizing spraying mechanism 22 employs an atomizing nozzle.

[0032] The rain-resistant waterproof testing device described in this embodiment includes a water circulation unit 3 that further comprises multiple reabsorption return pipes 33. These reabsorption return pipes 33 are all located at the bottom of the testing platform 5. The drain hole 51 communicates with the top of each reabsorption return pipe 33, and the bottom of each reabsorption return pipe 33 communicates with the water tank 31. Specifically, by installing multiple reabsorption return pipes 33 at the bottom of the testing platform 5, rapid and centralized diversion and recycling of wastewater after spraying can be achieved, preventing wastewater from accumulating and leaking within the testing platform 5. Simultaneously, the multi-pipeline design significantly improves wastewater return efficiency, ensures the water supply stability of the water circulation system, and further enhances the water resource recycling rate.

[0033] This embodiment describes a rain-resistant waterproof testing device. The multi-axis drive mechanism 4 includes a support base 41, a connecting base 42, a first rotary drive motor 43, and a second rotary drive motor 44. The first rotary drive motor 43 is located at the end of the support base 41 near the spray unit 2. The output end of the first rotary drive motor 43 is connected to the end of the connecting base 42, and its rotation axis is horizontal. The second rotary drive motor 44 is located on the connecting base 42, and the bottom of the carrying platform 6 is connected to the second rotary drive motor 44, whose rotation axis is vertical. Specifically, the horizontally arranged first rotary drive motor 43 and the vertically arranged second rotary drive motor 44 drive the carrying platform 6 to achieve pitch angle adjustment and 360° circumferential rotation, respectively. This allows for flexible adjustment of the spatial posture of the sample to be tested. Combined with the spray mechanism, it achieves full-surface spraying of the sample without dead angles, further eliminating blind spots in the detection. Furthermore, the dual motors drive independently, resulting in high adjustment accuracy and fast response speed, adaptable to the detection posture adjustment requirements of samples of different specifications.

[0034] The rain-resistant waterproof testing device described in this embodiment has a top outer perimeter of the loading platform 6 surrounded by a baffle 61. At least two hydraulic positioning mechanisms 62 are installed inside the baffle 61. Specifically, by surrounding the loading platform 6 with the baffle 61, the overflow of spray wastewater can be effectively prevented, avoiding wastewater seepage into the drive mechanism and causing equipment corrosion and malfunction. Simultaneously, the hydraulic positioning mechanisms 62 inside the baffle 61 can quickly and stably clamp and fix the sample to be tested, preventing displacement or falling of the sample during posture adjustment and rotation, thus ensuring the stability and safety of the testing process.

[0035] This embodiment describes a rain-resistant waterproof testing device. A connecting plate 45 is provided at one end of the support base 41 near the loading platform 6. A receiving cavity 451 is provided within the connecting plate 45. A first gear 431 is provided at the output end of the first rotary drive motor 43, located at the bottom of the receiving cavity 451. The end of the connecting seat 42 is rotatably connected to the connecting plate 45. A second gear 421 is provided at one end of the connecting seat 42 near the support base 41. The first gear 431 meshes with the second gear 421. Specifically, the first rotary drive motor 43 transmits power to the connecting seat 42 through the meshing of the first gear 431 and the second gear 421. The gear transmission structure has high transmission accuracy, strong load-bearing capacity, and good transmission stability, allowing precise control of the pitch adjustment angle of the loading platform 6. Simultaneously, by embedding the gear transmission structure within the receiving cavity 451 of the connecting plate 45, it effectively isolates sprayed water vapor and dust, preventing corrosion and jamming of the transmission structure, extending the equipment's service life, and reducing the failure rate.

[0036] This embodiment describes a rain-resistant waterproof testing device. The testing platform 5 has a powered slide rail assembly 7 on its top. The powered slide rail assembly 7 includes a slide rail base 71, a sliding drive motor 72, a powered sliding platform 73, and a sliding component 74. The slide rail base 71 is fixed to the top of the testing platform 5. The powered sliding platform 73 is slidably connected to the slide rail base 71. The sliding drive motor 72 is fixed to the powered sliding platform 73, and its output end is connected to the sliding component 74. A multi-axis drive mechanism 4 is located on top of the powered sliding platform 73. Specifically, this configuration allows the multi-axis drive mechanism 4 and the loading platform 6 to move linearly in the horizontal direction. By controlling the forward and reverse rotation of the sliding drive motor 72, the reciprocating motion of the multi-axis drive mechanism 4 is controlled, allowing for more comprehensive spraying of the sample to be tested and further expanding the applicability of the device.

[0037] The rain and water resistance testing device described in this embodiment includes a sliding assembly 74 comprising a synchronous belt 741, two synchronous pulleys 742, and two positioning rollers 743. Positioning seats 711 are provided on both sides of the slide rail base 71. The two synchronous pulleys 742 are rotatably mounted on the two positioning seats 711. The slide rail base 71 has two parallel through slots 712 opened horizontally. The two synchronous pulleys 742 are located at the left and right ends of the through slots 712, respectively. The upper and lower ends of the synchronous belt 741 pass through the two through slots 712, respectively. The two ends of the synchronous belt 741 are respectively connected to the two synchronous pulleys 742. A clearance groove 713 is provided at the top of the through groove 712 at the upper end. The two positioning rollers 743 are located at the left and right ends of the clearance groove 713. A clearance space 731 is provided in the middle of the powered sliding platform 73. The clearance space 731 is located at the top of the clearance groove 713. The output end of the sliding drive motor 72 is provided with a drive wheel 721. The drive wheel 721 is connected to the synchronous belt 741 and is located at the top of the two positioning rollers 743. Specifically, the transmission structure of synchronous belt 741 and synchronous pulleys 742 drives the powered sliding platform 73 to achieve smooth linear displacement. The transmission process is slip-free, the transmission ratio is accurate, and the operating noise is low. The horizontal displacement of the loading platform 6 can be precisely controlled. At the same time, the positioning rollers 743 limit and tension the synchronous belt 741 to prevent the synchronous belt 741 from loosening or skipping teeth, ensuring the long-term stability and reliability of the transmission structure.

[0038] The rain-resistant waterproof testing device described in this embodiment has two powered slide rail assemblies 7 symmetrically arranged on the top of the testing platform 5. The tops of both powered sliding platforms 73 are connected to the bottom of the multi-axis drive mechanism 4. Specifically, by having two symmetrically arranged powered slide rail assemblies 7 jointly support and drive the multi-axis drive mechanism 4, the load-bearing capacity and operational stability of the loading platform 6 during horizontal displacement are significantly improved. This avoids the uneven load and swaying problems easily caused by unilateral drive, making it particularly suitable for testing heavy and large-sized samples, further enhancing the device's load capacity and operational stability.

[0039] The rain-resistant waterproof testing device described in this embodiment has a first guide groove 714 on the top of the slide rail base 71 and a guide block 732 on the bottom of the powered sliding platform 73, the guide block 732 extending into the first guide groove 714. Specifically, the first guide groove 714 and the guide block 732, working together, provide precise guidance for the linear displacement of the powered sliding platform 73, effectively limiting the lateral offset of the sliding platform, further improving the straightness and positional accuracy of the horizontal displacement, avoiding swaying during sliding, ensuring the accurate relative position of the sample to be tested and the spraying mechanism, and improving the consistency and repeatability of the test results.

[0040] The rain-resistant waterproof testing device described in this embodiment includes a second guide groove 715 on the outer side of the slide rail base 71 and a mounting block 733 on the bottom outer side of the powered sliding platform 73. A roller 734 is rotatably mounted on the mounting block 733, and the roller 734 extends into the second guide groove 715. Specifically, the cooperation structure between the second guide groove 715 and the roller 734 provides auxiliary guidance and vertical load support for the powered sliding platform 73, which can distribute the weight load of the sliding platform and the sample to be tested, and reduce the frictional loss between the guide block 732 and the first guide groove 714. At the same time, the roller 734 adopts rolling friction, which greatly reduces the sliding resistance, making the displacement process of the powered sliding platform 73 smoother and more stable, and effectively extending the service life of the guide structure.

[0041] The rain and water resistance testing device described in this embodiment also includes a PLC control unit. The PLC control unit includes a PLC host 81, a touch screen 82, a sensor group, and an actuator control module. The PLC host is connected to the multi-angle spray mechanism 21, the atomizing spray mechanism 22, the multi-axis drive mechanism 4, the water circulation unit 3, and the power slide rail assembly 7. The sensor group includes a pressure sensor, a position sensor, and a leakage sensor. The pressure sensor is located at the connection pipe between the water pump 32 and the spray unit 2. The position sensor is located at the stroke end of the hydraulic positioning mechanism and the power slide rail assembly 7. The leakage sensor is located at the bottom of the testing platform. Each sensor is connected to the signal input terminal of the PLC host. The actuator control module is connected to the signal output terminal of the PLC host and is electrically connected to the solenoid valves of the multi-axis drive mechanism 4, the sliding drive motor 72 of the power slide rail assembly, the water pump 32, and the hydraulic positioning mechanism 62.

[0042] This invention also provides a method for testing water resistance under rain.

[0043] A rain-resistant waterproof testing method, applied to rain-resistant waterproof testing equipment, includes the following steps: S1. Fix the sample to be tested on the platform 6 of the equipment. Based on the external dimensions of the sample to be tested and the target waterproof protection level, preset the spray parameters, the operating parameters of each drive mechanism and the total test time in the control system. S2. Start the water circulation unit 3 and the spray unit 2. The water pump 32 draws and pressurizes the test water in the water tank 31 and delivers it to the multi-angle spray mechanism 21 and / or the atomizing spray mechanism 22 to perform spraying operation on the sample to be tested. Simultaneously start the power slide rail assembly 7 and the multi-axis drive mechanism 4. Drive the power slide platform 73 and the loading platform 6 to move horizontally along the slide rail base 71 through the slide drive motor 72. Drive the loading platform to complete the pitch angle adjustment through the first rotary drive motor 43. Drive the loading platform to rotate 360° circumferentially at a uniform speed through the second rotary drive motor 44 so that all the outer surfaces of the sample to be tested are sprayed and covered. S4. During the spraying operation, the test wastewater after spraying is collected through the drain hole 51 of the test platform, and is guided back to the water tank 31 through the reabsorption return pipe 33. After filtration, it is pumped back to the spraying unit 2 for recycling. S5. When the testing time reaches the preset value, the spray unit 2, the power slide rail assembly 7, the multi-axis drive mechanism 4 and the water circulation unit 3 are shut down in sequence to release the sample to be tested and complete a single waterproof test operation.

[0044] It is understandable that several of the first rotary drive motor 43, the second rotary drive motor, and the gliding drive motor 72 may be selected and activated according to actual testing requirements.

[0045] The specific detection principle is as follows: Before testing, the test parameters are preset according to the sample size and target waterproof rating via the touch screen 82 of the PLC control unit. The sample is then placed on the loading platform 6, and the PLC host 81 controls the hydraulic positioning mechanism 62 to clamp and fix the sample. After the position sensor sends a signal indicating that the clamping is in place, the equipment enters the ready state. After the equipment starts, the water pump 32 draws water from the water tank 31 and pressurizes it to the spraying mechanism. The multi-angle spraying mechanism 21 and the atomizing spraying mechanism 22 are activated individually or in conjunction with preset parameters. The pressure sensor sends real-time feedback of the pipeline pressure to the PLC host 81, achieving closed-loop precise adjustment of the spraying pressure. During the spraying process, the PLC host 81 outputs control commands to drive the sliding drive motor 72 through the synchronous belt 741 transmission structure, which drives the power sliding platform 73 to move back and forth along the slide rail base 71. The PLC host 81 synchronously controls the first rotary drive motor 43 and the second rotary drive motor 44 to work together, driving the loading platform 6 to complete the pitch angle adjustment and 360° circumferential rotation, realizing the dynamic adjustment of the sample's attitude in all dimensions. Together with the spraying mechanism, it completes the spraying of the entire sample surface without dead angles, completely eliminating the detection blind spots. The test wastewater is guided back to the water tank 31 through the drain hole 51 and the reabsorption return pipe 33. After filtration, it is transported to the spraying unit by the water pump 32 for recycling, forming a closed-loop water circulation path. After the preset testing time is reached, the PLC host 81 shuts down each operating mechanism in sequence according to the program, and the hydraulic positioning mechanism opens, thus completing a single test. The equipment can then quickly enter the next batch quality inspection operation. Throughout the operation, the PLC host 81 collects various sensor signals in real time. In case of water leakage, overload, abnormal pressure, or other situations, it immediately triggers protection actions to ensure the safe operation of the equipment.

[0046] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A rain-testing waterproofing device, characterized in that: The system includes a housing, a spray unit, a water circulation unit, a multi-axis drive mechanism, and a PLC control unit. The housing is equipped with a testing platform. The spray unit includes a multi-angle spray mechanism and a misting spray mechanism. The multi-axis drive mechanism is mounted on the testing platform, and its output end has a loading platform. Both the multi-angle spray mechanism and the misting spray mechanism are mounted on the testing platform, located at the top of the loading platform. A drain hole is provided on the testing platform. The water circulation unit includes a water tank and a water pump. The water tank is located at the bottom of the housing, and the drain hole communicates with the water tank. The water pump communicates with both the multi-angle spray mechanism and the misting spray mechanism. The PLC control unit includes a PLC host, which is signal-connected to the multi-angle spray mechanism, the misting spray mechanism, the multi-axis drive mechanism, and the water circulation unit.

2. The rain-testing and waterproofing testing equipment according to claim 1, characterized in that: The water circulation unit also includes multiple reabsorption return pipes, which are all located at the bottom of the testing platform. The drain hole is connected to the top of the reabsorption return pipe, and the bottom of the reabsorption return pipe is connected to the water tank.

3. The rain-testing and waterproofing testing equipment according to claim 1, characterized in that: The multi-axis drive mechanism includes a support base, a connecting base, a first rotary drive motor, and a second rotary drive motor. The first rotary drive motor is disposed at one end of the support base near the spray unit. The output end of the first rotary drive motor is connected to the end of the connecting base. The rotation axis of the first rotary drive motor is arranged in a horizontal direction. The second rotary drive motor is disposed on the connecting base. The bottom of the loading platform is connected to the second rotary drive motor. The rotation axis of the second rotary drive motor is arranged in a vertical direction.

4. The rain-testing waterproofing testing device according to claim 3, characterized in that: The top outer perimeter of the cargo platform is surrounded by a fence, and at least two hydraulic positioning mechanisms are provided on the inner side of the fence.

5. The rain-testing waterproofing testing device according to claim 3, characterized in that: A connecting plate is provided at one end of the support base near the loading platform. A receiving cavity is provided inside the connecting plate. A first gear is provided at the output end of the first rotary drive motor. The first gear is located at the bottom of the receiving cavity. The end of the connecting base is rotatably connected to the connecting plate. A second gear is provided at one end of the connecting base near the support base. The first gear meshes with the second gear.

6. The rain-testing waterproofing testing device according to claim 1, characterized in that: The top of the testing platform is equipped with a powered slide rail assembly, which includes a slide rail base, a sliding drive motor, a powered sliding platform, a sliding component, and a limiting component. The slide rail base is fixed to the top of the testing platform, the powered sliding platform is slidably connected to the slide rail base, the sliding drive motor is fixed to the powered sliding platform, the output end of the sliding drive motor is connected to the sliding component, the limiting component is located between the slide rail base and the powered sliding platform, and is used for displacement limiting and positioning. The multi-axis drive mechanism is located on the top of the powered sliding platform.

7. The rain-testing waterproofing testing device according to claim 6, characterized in that: The sliding assembly includes a synchronous belt, two synchronous pulleys, and two positioning rollers. Positioning seats are provided on both sides of the slide rail base. The two synchronous pulleys are rotatably mounted on the two positioning seats. The slide rail base has two parallel through slots along the horizontal direction. The two synchronous pulleys are located at the left and right ends of the through slots, respectively. The upper and lower ends of the synchronous belt pass through the two through slots, and both ends of the synchronous belt are connected to the two synchronous pulleys. A clearance slot is provided at the top of the upper through slot, and the two positioning rollers are located at the left and right ends of the clearance slot. A clearance space is provided in the middle of the powered sliding platform, located at the top of the clearance slot. A drive wheel is provided at the output end of the sliding drive motor, and the drive wheel is connected to the synchronous belt. The drive wheel is located at the top of the two positioning rollers.

8. The rain-testing and waterproofing testing equipment according to claim 6, characterized in that: The top of the testing platform is provided with two power slide rail assemblies, which are arranged symmetrically. The tops of the two power sliding platforms are connected to the bottom of the multi-axis drive mechanism.

9. The rain-testing waterproofing testing device according to claim 7, characterized in that: The top of the slide rail base is provided with a first guide groove, and the bottom of the power sliding platform is provided with a guide block, which extends into the first guide groove; the outer side of the slide rail base is provided with a second guide groove, and the bottom of the outer side of the power sliding platform is provided with a mounting block, on which a roller is rotatably mounted, which extends into the second guide groove.

10. A method for testing water resistance under rain, characterized in that: The rain-resistant waterproof testing equipment according to any one of claims 1-9 includes the following steps: S1. Fix the sample to be tested on the platform of the equipment. Based on the external dimensions of the sample to be tested and the target waterproof protection level, preset the spray parameters, the operating parameters of each drive mechanism and the total test time in the control system. S2. Start the water circulation unit and spray unit. The water pump draws and pressurizes the test water in the water tank and delivers it to the multi-angle spray mechanism and / or atomizing spray mechanism to perform spraying operation on the sample to be tested. Simultaneously start the multi-axis drive mechanism so that all outer surfaces of the sample to be tested are covered by spray. S3. During the spraying operation, the test wastewater after spraying is collected through the drain hole of the test platform, and then guided back to the water tank through the reabsorption return pipe. After filtration, it is pumped back to the spraying unit for recycling. S4. When the testing time reaches the preset value, the spray unit, multi-axis drive mechanism and water circulation unit are shut down in sequence, the sample to be tested is released, and the single waterproof test operation is completed.

Images