Windscreen wiper rubber strip testing device based on barrel-shaped glass

Abstract

The utility model discloses a windscreen wiper rubber strip testing device based on barrel-shaped glass, which comprises the barrel-shaped glass, the barrel-shaped glass is in transmission connection with a motor, and a torque sensor is arranged between the barrel-shaped glass and the motor; the windscreen wiper rubber strip is in sliding contact with the outer side wall of the barrel-shaped glass; the windscreen wiper rubber strip is fixedly installed on the position adjusting mechanism, and a pressure sensor is arranged at the fixed end of the windscreen wiper rubber strip; the temperature control mechanism is used for regulating and controlling the temperature of the barrel-shaped glass; the test platform is used for installing and integrating the barrel-shaped glass, the motor, the position adjusting mechanism and the temperature control mechanism; according to the scheme, the torque and the pressure can be measured in real time, so that the friction force between the windscreen wiper rubber strip and the barrel-shaped glass can be obtained, test data are processed and analyzed through the data processing module and the image generation module, and curve images including parameters such as the torque, the pressure and the friction force are generated; and a user can conveniently and intuitively know the performance change trend of the windscreen wiper rubber strip.

Description

Technical Field

[0001] This utility model relates to the field of product testing technology, specifically to a wiper blade testing device based on barrel-shaped glass. Background Technology

[0002] As an important automotive component, the sliding friction performance of windshield wipers directly affects the driver's visibility and safety. The wiper blade, as the core component of the wiper, directly impacts the wiper's lifespan and wiping effectiveness. Currently, the process typically involves first mounting the wiper arm on a freely rotating output shaft, with the wiper blade connected to it. Under the pressure of the wiper arm, the wiper blade's rubber strip is pressed against the glass. Then, a spring scale or other force-measuring device is used, acting perpendicularly on the middle of the wiper blade, pulling it to rotate at a uniform speed around the output shaft. The coefficient of friction (μ) between the wiper blade and the glass is calculated using the traction force and the wiper arm pressure.

[0003] While theoretically simple, in practice, the traction speed is difficult to keep constant. Furthermore, the direction of the traction force and the angle of the wiper blade are difficult to adjust, resulting in large testing errors and limitations, making it difficult to meet the requirements of actual testing and use. Additionally, existing wiper blade testing systems often have limited functionality, failing to comprehensively evaluate the performance of the blade and unable to simulate performance changes under different temperature conditions, leading to significant discrepancies between test results and actual usage. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, this utility model provides a wiper blade testing device based on barrel-shaped glass, which solves the technical problems mentioned in the background art and comprehensively and accurately evaluates the performance of wiper blades, providing important data support for the design and production of wipers.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A testing device for wiper blades based on barrel-shaped glass is provided, comprising: barrel-shaped glass connected to a motor, with a torque sensor disposed between the barrel-shaped glass and the motor; a wiper blade that slides in contact with the outer wall of the barrel-shaped glass; a position adjustment mechanism on which the wiper blade is fixedly mounted, with a pressure sensor disposed at the fixed end of the wiper blade; a temperature control mechanism for regulating the temperature of the barrel-shaped glass; and a testing platform for mounting and integrating the barrel-shaped glass, the motor, the position adjustment mechanism, and the temperature control mechanism.

[0007] Furthermore, the position adjustment mechanism includes a lateral movement mechanism, on which a swing mechanism is provided, and the lateral movement direction of the lateral movement mechanism and the swing surface of the swing mechanism are both perpendicular to the axis of the wiper blade. A telescopic cylinder is provided on the swing mechanism, and a pressure sensor is provided at the telescopic end of the telescopic cylinder. A clamp for installing the wiper blade is provided on the pressure sensor.

[0008] Furthermore, the transverse movement mechanism includes a mounting vertical plate fixed to the test platform by a mounting bracket. The mounting vertical plate is provided with a horizontal slide rail and a horizontal lead screw. A sliding plate is slidably mounted on the horizontal slide rail, and the sliding plate is threadedly engaged with the horizontal lead screw. A manual crank is provided at one end of the horizontal lead screw.

[0009] Furthermore, one end of the horizontal lead screw is connected to a manual crankshaft via an optical shaft, the optical shaft passes through a locking block, and the locking block is provided with a first bolt for locking the optical shaft.

[0010] Furthermore, the swing mechanism includes a fixed plate fixed on the sliding plate, a swing plate rotatably mounted on the fixed plate, second bolts on both sides of the fixed plate, and arc-shaped grooves on both sides of the swing plate to facilitate the passage of the second bolts.

[0011] Furthermore, a pointer is provided on the top of the oscillating disk, and an arc-shaped scale line is provided on the fixed disk to cooperate with the pointer.

[0012] Furthermore, the temperature control mechanism includes a hot air blower facing the outer wall of the barrel-shaped glass and an infrared thermometer.

[0013] Furthermore, the barrel-shaped glass is connected to the motor via a one-way bearing, and the rotation direction of the motor is the same as the locking direction of the one-way bearing.

[0014] Furthermore, the test platform also integrates a controller, which includes a data processing module electrically connected to the torque sensor and the pressure sensor, and an image generation module electrically connected to the data processing module.

[0015] The beneficial effects of this utility model are as follows:

[0016] 1. This solution uses torque and pressure sensors to measure torque and pressure in real time, thereby determining the friction between the wiper blade and the barrel-shaped glass. At the same time, the temperature control mechanism can adjust the temperature of the outer wall of the barrel-shaped glass in real time to simulate the working state of the wiper blade under different seasonal climate conditions and detect the performance (torque, pressure and friction) changes of the wiper blade at different temperatures.

[0017] 2. This solution allows for adjustment of the lateral position of the wiper blade via a lateral movement mechanism, adjustment of the deflection angle of the wiper blade via a swing mechanism, and application of pressure to the wiper blade via a telescopic cylinder, ensuring that the wiper blade remains in sliding contact with the barrel-shaped glass. This facilitates maintaining the wiper blade at the required test angle and enables comprehensive and accurate performance testing and evaluation.

[0018] 3. This solution allows the sliding plate to slide horizontally via a manual crank wheel. The first bolt, in conjunction with the locking block, enables precise locking of the optical axis and the horizontal lead screw, thereby achieving precise locking of the sliding plate's position.

[0019] 4. This solution can lock the swing disk after the angle adjustment is completed by the second bolt, and the deflection angle of the swing disk can be observed by the cooperation of the pointer and the circular scale.

[0020] 5. This solution can process test data through data processing and image generation modules to generate curve images of parameters such as torque, pressure, and friction, allowing users to intuitively understand the performance change trend of wiper blades; at the same time, it can also generate performance curve images at different temperatures according to user needs, thereby providing users with a comprehensive performance evaluation report. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of a test device for wiper blades based on barrel-shaped glass.

[0022] Figure 2 This is a partial enlarged view of the test device for wiper blades based on barrel-shaped glass.

[0023] Among them, 1. Barrel-shaped glass, 2. Motor, 3. Torque sensor, 4. Wiper blade, 5. Pressure sensor, 6. Test platform, 7. Telescopic cylinder, 8. Fixture, 9. Mounting vertical plate, 10. Horizontal slide rail, 11. Horizontal lead screw, 12. Sliding plate, 13. Manual crank, 14. Locking block, 15. First bolt, 16. Fixed plate, 17. Swing plate, 18. Second bolt, 19. Arc groove, 20. Pointer, 21. Arc scale line, 22. Hot air blower, 23. Infrared thermometer, 24. One-way bearing, 25. Position adjustment mechanism, 26. Mounting bracket. Detailed Implementation

[0024] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All utility model creations utilizing the concept of this utility model are within the scope of protection.

[0025] like Figure 1 and Figure 2 As shown, the wiper blade testing device based on barrel-shaped glass in this scheme includes barrel-shaped glass 1, wiper blade 4, position adjustment mechanism 25, temperature control mechanism, and testing platform 6. The barrel-shaped glass 1 is connected to the motor 2, and a torque sensor 3 is installed between the barrel-shaped glass 1 and the motor 2 to measure the torque generated by the wiper blade 4 during wiping in real time. The barrel-shaped glass 1 and the motor 2 are connected by a one-way bearing 24, and the rotation direction of the motor 2 is the same as the locking direction of the one-way bearing 24, so as to achieve stable one-way transmission between the motor 2 and the barrel-shaped glass 1.

[0026] The wiper blade 4 slides in contact with the outer wall of the barrel-shaped glass 1. The wiper blade 4 is fixedly installed on the position adjustment mechanism 25, and a pressure sensor 5 is provided at the fixed end of the wiper blade 4 to measure the pressure of the wiper blade 4 on the barrel-shaped glass 1 in real time. The temperature control mechanism includes a hot air blower 22 facing the outer wall of the barrel-shaped glass 1 and an infrared thermometer 23 to regulate the temperature of the outer wall of the barrel-shaped glass 1. The test platform 6 is used to install and integrate the barrel-shaped glass 1, the motor 2, the position adjustment mechanism 25 and the temperature control mechanism.

[0027] The test platform 6 also integrates a controller, which includes a data processing module electrically connected to the torque sensor 3 and the pressure sensor 5, and an image generation module electrically connected to the data processing module. Preferably, this solution can use a Siemens 1212 PLC as the acquisition and data analysis center, and collect data at a frequency of 10 Hz, and fit and output the data and timeline on the Weintek display screen.

[0028] This solution calculates the friction between the wiper blade 4 and the barrel-shaped glass 1 by measuring torque and pressure in real time. The test data is then processed by the data processing module and the image generation module to generate curve images of parameters such as torque, pressure, and friction, allowing users to intuitively understand the performance change trend of the wiper blade 4. At the same time, the temperature control mechanism can adjust the temperature of the outer wall of the barrel-shaped glass 1 in real time to simulate the working state of the wiper blade 4 under different seasonal climate conditions and detect the performance change of the wiper blade 4 at different temperatures.

[0029] The position adjustment mechanism 25 of this solution includes a lateral movement mechanism, on which a swing mechanism is provided. The lateral movement direction of the lateral movement mechanism and the swing surface of the swing mechanism are both perpendicular to the axis of the wiper blade 4. A telescopic cylinder 7 is provided on the swing mechanism, and a pressure sensor 5 is provided at the telescopic end of the telescopic cylinder 7. A clamp 8 for installing the wiper blade 4 is provided on the pressure sensor 5. This solution can adjust the lateral position of the wiper blade 4 through the lateral movement mechanism, adjust the deflection angle of the wiper blade 4 through the swing mechanism, and apply pressure to the wiper blade 4 through the telescopic cylinder 7, so that the wiper blade 4 maintains sliding contact with the barrel-shaped glass 1, so as to maintain the wiper blade 4 at the required test angle and perform comprehensive and accurate performance testing and evaluation.

[0030] Specifically, the horizontal movement mechanism includes a mounting vertical plate 9 fixed to the test platform 6 via a mounting bracket 26. The mounting vertical plate 9 is provided with a horizontal slide rail 10 and a horizontal lead screw 11. A sliding plate 12 is slidably mounted on the horizontal slide rail 10, and the sliding plate 12 is threadedly engaged with the horizontal lead screw 11. One end of the horizontal lead screw 11 is connected to a manual crank 13 via an optical shaft. The optical shaft passes through a locking block 14, and a first bolt 15 for locking the optical shaft is provided on the locking block 14. In this scheme, the sliding plate 12 can be driven to slide horizontally by the manual crank 13. Through the cooperation of the first bolt 15 and the locking block 14, the optical shaft and the horizontal lead screw 11 can be precisely locked, thereby achieving precise locking of the position of the sliding plate 12.

[0031] The swing mechanism includes a fixed plate 16 fixed on a sliding plate 12, a swing plate 17 rotatably mounted on the fixed plate 16, second bolts 18 on both sides of the fixed plate 16, and arc-shaped grooves 19 on both sides of the swing plate 17 to facilitate the passage of the second bolts 18. A pointer 20 is mounted on the top of the swing plate 17, and an arc-shaped scale line 21 that cooperates with the pointer 20 is mounted on the fixed plate 16. In this design, the second bolts 18 can be used to lock the swing plate 17 after the angle adjustment is completed, and the deflection angle of the swing plate 17 can be observed through the cooperation of the pointer 20 and the arc-shaped scale line 21.

[0032] The working process of this plan will be explained in detail below:

[0033] In actual testing, the user installs the wiper blade 4 to be tested onto the fixture 8 and makes it slide in contact with the outer wall of the barrel-shaped glass 1. The required test parameters are set (such as adjusting the temperature of the barrel-shaped glass 1 via a temperature control mechanism and recording the test time via a timer). After the system starts, it automatically tests parameters such as pressure, friction, and torque, and transmits the test data to the data processing module and image generation module in real time. Based on the test data, corresponding curve images are generated, allowing the user to intuitively understand the performance of the wiper blade 4. Simultaneously, the user can also heat or cool the test environment as needed to detect performance changes of the wiper blade 4 at different temperatures. This allows for the generation of performance curve images at different temperatures according to the user's requirements, providing a comprehensive performance evaluation report.

Claims

1. A wiper blade test device based on a bucket glass, characterized in that, Include: Barrel-shaped glass, the barrel-shaped glass is connected with motor drive, and torque sensor is arranged between barrel-shaped glass and motor; Wiper rubber strip, the wiper rubber strip is in sliding contact with the outer wall of the barrel-shaped glass; Position adjusting mechanism, the wiper rubber strip is fixedly installed on the position adjusting mechanism, and the fixed end of the wiper rubber strip is provided with a pressure sensor; Temperature control mechanism for regulating the temperature of the barrel-shaped glass; Test platform for installing and integrating barrel-shaped glass, motor, position adjusting mechanism and temperature control mechanism.

2. The bucket glass-based wiper blade test device of claim 1, wherein, The position adjusting mechanism includes a horizontal movement mechanism, the horizontal movement mechanism is provided with a swing mechanism, and the horizontal movement direction of the horizontal movement mechanism and the swing surface of the swing mechanism are perpendicular to the axis of the wiper rubber strip, the swing mechanism is provided with a telescopic cylinder, the pressure sensor is arranged at the telescopic end of the telescopic cylinder, and the pressure sensor is provided with a clamp for installing the wiper rubber strip.

3. The bucket glass-based wiper blade test device of claim 2, wherein, The horizontal movement mechanism includes a mounting vertical plate fixed on the test platform through a mounting frame, the mounting vertical plate is provided with a horizontal slide rail and a horizontal lead screw, the horizontal slide rail is provided with a sliding plate in sliding manner, and the sliding plate is threadedly connected with the horizontal lead screw, one end of the horizontal lead screw is provided with a manual handle.

4. The bucket glass-based wiper blade test device of claim 3, wherein, One end of the horizontal lead screw is connected with the manual handle through an optical axis, the optical axis penetrates through a locking fixed block, and the locking fixed block is provided with a first bolt for locking the optical axis.

5. The bucket glass-based wiper blade test device of claim 2, wherein, The swing mechanism includes a fixed disc fixed on the sliding plate, the fixed disc is provided with a swing disc in rotation manner, both sides of the fixed disc are provided with second bolts, and both sides of the swing disc are provided with arc-shaped grooves for the second bolts to pass through.

6. The bucket glass-based wiper blade test device of claim 5, wherein, The swing disc is provided with a pointer at the top, and the fixed disc is provided with a circular arc scale line matched with the pointer.

7. The bucket glass-based wiper blade test device of claim 1, wherein, The temperature control mechanism includes a hair dryer and an infrared thermometer opposite to the outer wall of the barrel-shaped glass.

8. The bucket glass-based wiper blade test device of claim 1, wherein, The barrel-shaped glass and the motor are connected through a one-way bearing, and the rotating direction of the motor is the same as the locking direction of the one-way bearing.

9. The bucket glass-based wiper blade test device of claim 1, wherein, The test platform is also integrated with a controller, and the controller includes a data processing module electrically connected with the torque sensor and the pressure sensor and an image generation module electrically connected with the data processing module.

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