An automatic testing device and method for a shower room

Abstract

The present invention relates to the field of automated detection, and specifically discloses an automatic testing device and method for a shower room, including a spray testing chamber, two shower door detection platform frames, two deformation detection sensors, a robot loading gripper, a sliding door life tester, and a swing door life tester; a leakage detection sensor is provided in the spray testing chamber, at least one nozzle is provided at the top of the spray testing chamber, and a constant flow water supply system is provided outside the spray testing chamber; the robot loading gripper is used to apply a load force to the shower door through a multi-axis robotic arm; the shower door detection platform frame is used to support and fix the shower door to be detected; the deformation detection sensor faces the shower door; the sliding door life tester is used to horizontally open and close the sliding door, and the swing door life tester is used to open and close the swing door through a robotic arm. The present invention improves the accuracy of the performance test results of the shower room and saves a large amount of labor consumption in the testing work.

Description

Technical Field

[0001] The present invention relates to the field of automated detection, and particularly to an automatic testing device and method for a shower room. Background Art

[0002] With the development of the design style of modern household bathrooms, various glass shower rooms and framed curtain shower rooms have increasingly become the standard configuration in toilets and bathrooms. And the assembled shower room is convenient for installation, transportation and maintenance, and gradually replaces the traditional glass partition that needs to be fixed with glass glue.

[0003] However, there are a wide variety of shower room models on the market now, with uneven sizes, product performances and durability, which bring great challenges to the market management department and the R & D and quality inspection departments of manufacturers. Traditional manual detection has difficulty coping with the increasingly large detection workload, and has low detection efficiency, poor repeatability and difficult to control detection accuracy. Summary of the Invention

[0004] In order to overcome the above problems, the present invention provides an automatic testing device and method for a shower room.

[0005] The technical solution adopted by the present invention is: an automatic testing device for a shower room, used for detecting the shower room and the shower door, including a spray test room, two shower door detection platform frames, two deformation detection sensors, a robot loading gripper, a sliding door life tester and a swing door life tester;

[0006] The spray test room is used for performing a spray test on the shower room. A water leakage detection sensor is arranged in the spray test room. At least one nozzle is arranged on the top of the spray test room. A constant flow rate water supply system is arranged outside the spray test room, and the constant flow rate water supply system is connected to each nozzle;

[0007] The robot loading gripper is used for applying a load force to the shower door through a multi-axis robotic arm;

[0008] The shower door detection platform frame is used for supporting and fixing the shower door to be detected. The two shower door detection platform frames are relatively arranged on both sides of the robot loading gripper;

[0009] The two deformation detection sensors are respectively fixedly connected to the tops of the two shower door detection platform frames, and the deformation detection sensors face the shower door;

[0010] The sliding door life tester and the swing door life tester are respectively arranged in front of the two shower door detection platform frames. The sliding door life tester is used for horizontally opening and closing the sliding door, and the swing door life tester is used for opening and closing the swing door through a robotic arm.

[0011] Preferably, the robot loading gripper includes a smooth motion cylinder, a magnetic switch, a servo proportional valve, and a micro cylindrical pressure sensor. The micro cylindrical pressure sensor is fixedly arranged at the front end of the smooth motion cylinder, and the magnetic switch and the servo proportional valve are connected to the control end of the smooth motion cylinder.

[0012] Preferably, the deformation detection sensor is a laser displacement sensor, which is used to detect the deformation amount of the shower door through the analog quantity of laser ranging.

[0013] Preferably, lockable XY-axis slide rail groups are horizontally arranged at the tops of both of the shower door detection platform frames. The deformation detection sensor is fixedly connected to the moving end of the XY-axis slide rail group, and adjustable columns are vertically arranged in the middle of the fronts of both of the shower door detection platform frames.

[0014] Preferably, a water tank is arranged at the top of the spray test room, and the constant flow water supply system, the water tank, and the nozzle are connected in sequence.

[0015] An automatic testing method for a shower room, using the above-mentioned automatic testing equipment for a shower room, includes the following steps:

[0016] Fix the shower room in the spray test room, conduct a leak test on the shower room through the nozzle, and obtain the spray test result;

[0017] When the shower door is a sliding door, fix the shower door on the corresponding shower door detection platform frame of the sliding door life testing machine, apply a load force to the shower door through the robot loading gripper, obtain the loading test result of the shower door through the deformation detection sensor, and repeatedly open and close the shower door through the sliding door life testing machine to obtain the switch door life test result;

[0018] When the shower door is a swing door, fix the shower door on the corresponding shower door detection platform frame of the swing door life testing machine, apply a load force to the shower door through the robot loading gripper, obtain the loading test result of the shower door through the deformation detection sensor, and repeatedly open and close the shower door through the swing door life testing machine to obtain the switch door life test result.

[0019] Preferably, it further includes the following steps:

[0020] Optimize the equipment configuration parameters of the production method through the digital twin optimization system;

[0021] Among them, the digital twin optimization system includes a physical space subsystem, a digital twin model, a virtual space subsystem, and an optimization model;

[0022] The physical space subsystem is used to obtain the test status of the automatic testing equipment for the shower room through signal acquisition;

[0023] The digital twin model is used to provide test conditions based on the physical space subsystem, and based on the twin data of the main body equipment, the twin data of the test process, and the twin data of the performance of the automatic shower room testing equipment;

[0024] The virtual space subsystem is used to simulate a three-dimensional physical model, a virtual intelligent assembly scenario, and a virtual intelligent production scenario according to the information transmitted by the digital twin model;

[0025] The optimization model is used to iteratively optimize the twin data of the main body equipment, the twin data of the assembly process, and the twin data of the performance through a deep learning algorithm according to the simulation results of the virtual space subsystem, and output an optimization result

[0026] According to the optimization result, reconfigure the test parameters of the automatic shower room testing equipment.

[0027] The beneficial effects of the present invention are:

[0028] (1) Through the spray test chamber, the spray test results of the shower room in a constant flow spray environment are automatically obtained, saving the labor consumption of the test work;

[0029] (2) Through two shower door detection platform frames, two deformation detection sensors, a sliding door life tester, and a swing door life tester, the automatic performance test of swing doors and sliding doors is realized. The applied door opening and closing acceleration and speed are stable. Compared with the traditional manual test, the accuracy of the test results is improved, and a large amount of labor consumption in the test work is saved;

[0030] (3) Through the robot loading gripper and the deformation detection sensor, the automatic test of the loading performance of the shower door is realized. The repeatability and accuracy of the applied loading force are high, the test results are more accurate, and the labor consumption of the test work is saved. Description of the Drawings

[0031] The present invention will be further described below in conjunction with the drawings of the specification, where:

[0032] Figure 1 is the flow chart of the automatic shower room testing method according to one embodiment of the present invention;

[0033] Figure 2 is the schematic diagram of the equipment test site according to one embodiment of the present invention.

[0034] In the figure: 1. Spray test chamber; 2. Outer wall; 3. Water tank; 4. Constant flow water supply system; 5. Robot loading gripper; 6. Shower door detection platform frame; 7. Sliding door life tester; 8. Swing door life tester. Detailed Embodiments

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] See Figure 1 and Figure 2 , which is an embodiment of the construction of the present invention, specifically discloses an automatic testing device and method for a shower room, including a spray testing room 1, two shower door detection platform frames 6, two deformation detection sensors, a robot loading gripper 5, a sliding door life tester 7, and a swing door life tester 8;

[0037] The spray testing room 1 is used to perform spray testing on the shower room. A leakage detection sensor is provided in the spray testing room 1. At least one nozzle is provided at the top of the spray testing room 1. A constant flow water supply system 4 is provided outside the spray testing room 1, and the constant flow water supply system 4 is connected to each nozzle;

[0038] The robot loading gripper 5 is used to apply a load force to the shower door through a multi-axis robotic arm;

[0039] The shower door detection platform frame 6 is used to support and fix the shower door to be detected. The two shower door detection platform frames 6 are relatively arranged on both sides of the robot loading gripper 5;

[0040] The two deformation detection sensors are respectively fixedly connected to the tops of the two shower door detection platform frames 6, and the deformation detection sensors face the shower door;

[0041] The sliding door life tester 7 and the swing door life tester 8 are respectively arranged in front of the two shower door detection platform frames 6. The sliding door life tester 7 is used to horizontally open and close the sliding door, and the swing door life tester 8 is used to open and close the swing door through a robotic arm.

[0042] Preferably, the robot loading gripper 5 includes a smooth movement cylinder, a magnetic switch, a servo proportional valve, and a micro cylindrical pressure sensor. The micro cylindrical pressure sensor is fixedly arranged at the front end of the smooth movement cylinder, and the magnetic switch and the servo proportional valve are connected to the control end of the smooth movement cylinder.

[0043] Preferably, the deformation detection sensor is a laser displacement sensor, which is used to detect the deformation amount of the shower door through the analog quantity of laser ranging.

[0044] Preferably, lockable XY-axis slide rail groups are horizontally provided at the tops of the two shower door detection platform frames 6, the deformation detection sensor is fixedly connected to the moving end of the XY-axis slide rail group, and adjustable columns are vertically provided in the middle of the front surfaces of the two shower door detection platform frames 6.

[0045] Preferably, one side of the spray test room 1 is an outer wall 2. A water tank 3 is provided at the top of the outer wall 2, and a constant flow rate water supply system 4 is provided outside the outer wall 2. The constant flow rate water supply system 4, the water tank 3, and the nozzle are connected in sequence.

[0046] This embodiment also discloses an automatic testing method for a shower room, which uses the above-mentioned automatic testing equipment for a shower room and includes the following steps:

[0047] S1. Fix the shower room in the spray test room 1, and perform a leak test on the shower room through the nozzle to obtain a spray test result;

[0048] S21. When the shower door is a sliding door;

[0049] S211. Fix the shower door on the shower door detection platform frame 6 corresponding to the sliding door life testing machine 7, apply a load force to the shower door through the robot loading gripper 5, and obtain a loading test result of the shower door through the deformation detection sensor;

[0050] S212. Repeatedly open and close the shower door through the sliding door life testing machine 7 to obtain a switch door life test result;

[0051] S22. When the shower door is a swing door;

[0052] S221. Fix the shower door on the shower door detection platform frame 6 corresponding to the swing door life testing machine 8, apply a load force to the shower door through the robot loading gripper 5, and obtain a loading test result of the shower door through the deformation detection sensor;

[0053] S222. Repeatedly open and close the shower door through the swing door life testing machine 8 to obtain a switch door life test result.

[0054] Preferably, it further includes the following steps:

[0055] S3. Optimize the equipment configuration parameters of the production method through the digital twin optimization system;

[0056] Among them, the digital twin optimization system includes a physical space subsystem, a digital twin model, a virtual space subsystem, and an optimization model;

[0057] The physical space subsystem is used to obtain the test status of the automatic testing equipment for the shower room through signal acquisition;

[0058] The digital twin model is used to, based on the test conditions provided by the physical space subsystem, and according to the twin data of the main body equipment, the twin data of the test process, and the twin data of the performance of the automatic shower room testing equipment;

[0059] The virtual space subsystem is used to simulate a three-dimensional physical model, a virtual intelligent assembly scenario, and a virtual intelligent production scenario based on the information transmitted by the digital twin model;

[0060] The optimization model is used to iteratively optimize the twin data of the main body equipment, the twin data of the assembly process, and the twin data of the performance through a deep learning algorithm according to the simulation results of the virtual space subsystem, and output the optimization results

[0061] According to the optimization results, reconfigure the test parameters of the automatic shower room testing equipment.

[0062] This embodiment is specifically applicable to the testing of sliding shower doors and hinged shower doors. The SJM21010-03 shower door detection platform frame 6 has a maximum detectable size of 2000 mm in width and 2400 mm in height, basically covering the mainstream shower doors on the market.

[0063] In this embodiment, the testing equipment used is specifically:

[0064] The SJM21010-06 constant flow rate water supply system 4 is used to simulate normal spraying in the real use environment of the shower door. The water supply system continuously provides 5.0 GPM (19 L / min, 1.14 m 3 / h), and the water pressure is 0.14 - 0.3 Mpa. The leakage test is completed in a dedicated shower test room and only shares the main PLC cabinet with other equipment.

[0065] The SJM21010-01 robot loading gripper 5 is used to detect the mechanical performance of the shower door through the following loading tests; the specific process of the loading test is as follows:

[0066] 2-1 Lateral glass loading; for both hinged and sliding types, loading is carried out laterally at the center position between the wall glass and the door glass; the loading forces are 100 LBS / 150 LBS / 250 LBS (444.5 N / 666.8 N / 1111.3 N); the loading rate is not limited (assumed to be 20 N / s - 200 N / s); the force value is detected in real time; and the pressure is maintained for 60 s.

[0067] 2-2 Vertical / Lateral crossbeam loading; the loading position for the open-door type is at the middle of the doorframe crossbeam; the loading position for the sliding-door type is at the middle of the crossbeam at the closing position when the door is in the open state; the loading force is 250 LBS (1111.3 N), and the maximum loadable force of the equipment is 350 LBS (1555.8 N); the loading rate is 10 LB / s (44.5 N / s); the force value and the deformation amount are detected in real time; keep the pressure for 60 s.

[0068] 2-3 Vertical handle loading; when measuring for the open-door type at 5-15° and 90° of door opening, measure the deformation amount at the distal end; when measuring for the sliding-door type at half-open on one side and half-open on both sides, measure the deformation amount at the middle of the crossbeam; handle loading can also be carried out at the closing position of the sliding-door type; the loading forces are 40 LBS / 100 LBS / 220 LBS / 350 LBS (117.8 N / 444.5 N / 977.9 N / 1555.8 N); the loading rate is not limited (assumed to be 20 N / s - 200 N / s); the force value and the deformation amount are detected in real time; keep the pressure for 300 s. Both the loading test and the door opening and closing life test are completed within the shower door detection platform frame 6.

[0069] The SJM21010-05 door opening life test machine 8 is used for the door opening and closing life test of the swing door, and the test parameters are shown in Table 1.

[0070]

[0071] Table 1

[0072] The SJM21010-04 sliding door life test machine 7 is used for the door opening and closing life test of the sliding door, and the test parameters are shown in Table 2.

[0073]

[0074] Table 2

[0075] The specific test process of this embodiment is as follows:

[0076] 1. Leakage test:

[0077] The leakage test provides an adjustable pressure variable frequency water supply system and a digital flowmeter to achieve automatic constant pressure uninterrupted water supply and accurate control of pressure and flow.

[0078] 2. Loading test:

[0079] For the loading test, a pneumatic loading gripper controlled by a Fanuc R2000iC / 210F with a precision proportional valve is used for lateral and vertical loading. The allowable loading force of the gripper is 50 N - 2000 N, the loading force error ≤ ±2%, and a force sensor is equipped on the gripper to provide real-time feedback of the loading force value.

[0080] The door opening detection platform and the sliding door detection platform are each equipped with a set of four-axis movable (XYZ axes and vertical and horizontal rotation) laser displacement sensors, and the positions of the sensors can be easily adjusted and aligned manually.

[0081] 3. Door opening and closing life test:

[0082] For the sliding door type of door opening and closing test, a set of dedicated sliding door life test machines 7 is used, which adopts a servo motor-driven synchronous belt structure and is equipped with a set of sliding door grippers.

[0083] For the swing door type of door opening and closing test, a set of dedicated swing door life test machines 8 is used, which adopts a servo crank structure and is equipped with a set of door handle grippers.

[0084] The control system of this embodiment adopts a Siemens PLC system and is equipped with a teach pendant for convenient semi-automatic operation and a host computer (only for storing data).

[0085] The specific embodiments described above further elaborate on the purpose, technical solutions, and beneficial effects of the present invention. It should be understood that the above are only specific embodiments of the present invention and are not used to limit the protection scope of the present invention. In particular, it is pointed out that for those skilled in the art, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automatic testing device for shower rooms, used to detect shower rooms and shower doors, characterized in that, It includes a spray test chamber, two shower door detection platform racks, two deformation detection sensors, a robot loading gripper, a sliding door life test machine, and a swing door life test machine; The spray test chamber is used to conduct a spray test on the shower room. A water leakage detection sensor is provided inside the spray test chamber. At least one nozzle is provided at the top of the spray test chamber. A constant flow rate water supply system is provided outside the spray test chamber, and the constant flow rate water supply system is connected to each nozzle; The robot loading gripper is used to apply a load force to the shower door through a multi-axis robotic arm; The shower door detection platform rack is used to support and fix the shower door to be detected. The two shower door detection platform racks are relatively arranged on both sides of the robot loading gripper; The two deformation detection sensors are respectively fixedly connected to the tops of the two shower door detection platform racks, and the deformation detection sensors face the shower door; The sliding door life test machine and the swing door life test machine are respectively arranged in front of the two shower door detection platform racks. The sliding door life test machine is used to horizontally open and close the sliding door, and the swing door life test machine is used to open and close the swing door through a robotic arm.

2. The automatic testing device for shower rooms according to claim 1, characterized in that, The robot loading gripper includes a smooth motion cylinder, a magnetic switch, a servo proportional valve, and a micro cylindrical pressure sensor. The micro cylindrical pressure sensor is fixedly arranged at the front end of the smooth motion cylinder, and the magnetic switch and the servo proportional valve are connected to the control end of the smooth motion cylinder.

3. The automatic testing device for shower rooms according to claim 1, characterized in that, The deformation detection sensor is a laser displacement sensor, which is used to detect the deformation amount of the shower door through the analog quantity of laser ranging.

4. The automatic testing device for shower rooms according to claim 1, characterized in that, The tops of the two shower door detection platform racks are both horizontally provided with lockable XY-axis slide rail groups. The deformation detection sensor is fixedly connected to the moving end of the XY-axis slide rail group. The middle parts of the fronts of the two shower door detection platform racks are vertically provided with adjustable columns.

5. The automatic testing device for shower rooms according to claim 1, characterized in that, A water tank is provided at the top of the spray test chamber, and the constant flow rate water supply system, the water tank, and the nozzle are connected in sequence.

6. An automatic testing method for shower rooms, using the automatic testing device for shower rooms according to any one of claims 1 to 5 above, characterized in that, It includes the following steps: Fix the shower room in the spray test chamber, conduct a water leakage test on the shower room through the nozzle, and obtain the spray test result; When the shower door is a sliding door, fix the shower door on the shower door detection platform rack corresponding to the sliding door life test machine, apply a load force to the shower door through the robot loading gripper, obtain the loading test result of the shower door through the deformation detection sensor, and repeatedly open and close the shower door through the sliding door life test machine to obtain the switch door life test result; When the shower door is a swing door, fix the shower door on the shower door detection platform rack corresponding to the swing door life test machine, apply a load force to the shower door through the robot loading gripper, obtain the loading test result of the shower door through the deformation detection sensor, and repeatedly open and close the shower door through the swing door life test machine to obtain the switch door life test result.

7. The automatic testing method for shower rooms according to claim 6, characterized in that, It also includes the following steps: Optimize the equipment configuration parameters of the production method through a digital twin optimization system; Among them, the digital twin optimization system includes a physical space subsystem, a digital twin model, a virtual space subsystem, and an optimization model; The physical space subsystem is used to obtain the test status of the automatic shower room testing equipment through signal acquisition; The digital twin model is used to, based on the test conditions provided by the physical space subsystem, and according to the body equipment twin data, test process twin data, and performance twin data of the automatic shower room testing equipment; The virtual space subsystem is used to simulate a three-dimensional physical model, a virtual intelligent assembly scenario, and a virtual intelligent production scenario according to the information transmitted by the digital twin model; The optimization model is used to, through a deep learning algorithm, iteratively optimize the body equipment twin data, assembly process twin data, and performance twin data according to the simulation results of the virtual space subsystem, and output an optimization result According to the optimization result, reconfigure the test parameters of the automatic shower room testing equipment.

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