Vehicle-mounted touch screen click test device

Abstract

The invention relates to the technical field of touch screen testing, and discloses a vehicle-mounted touch screen click testing device, which comprises a touch screen probe testing machine, a testing box, a three-axis linear sliding table module, an industrial camera and a display screen, and is characterized in that whether a touch point triggers an effective response or not and the response sensitivity are recorded by clicking and contacting a plurality of positions of a vehicle-mounted touch screen for a plurality of times; the placement positioning module comprises two groups of detection seats, two groups of connecting springs and two groups of placement plates, a non-locking placement environment is formed for the fixed touch screen, the touch screen on the placement plates is subjected to elastic force fluctuation of the connecting springs after vertical shifting, and click use in a bumpy driving environment of a vehicle is simulated; through the click action of the synchronous click probe, the click touch of an automobile bumpy driving scene is synchronously simulated in the click test process, and different click coverage area size adjustment and click touch force intensity change are matched, so that the click touch response sensitivity of the vehicle-mounted touch screen is comprehensively tested.

Description

Technical Field

[0001] The present invention relates to the technical field of touch screen testing, and more particularly to a vehicle-mounted touch screen click testing device. Background Art

[0002] The in-vehicle touch screen is a key component of human-computer interaction. It covers the surface of the display and transmits commands to the in-vehicle system by sensing signals such as contact position and movement trajectory, enabling users to control vehicle functions. Taking into account the impact of the car's usage environment, the touch recognition sensitivity and click resistance of the in-vehicle touch screen are important indicators for measuring the quality of the touch screen. Therefore, manufacturers need to conduct click durability tests and touch recognition sensitivity tests on the touch screen in high and low temperature environments before the touch screen leaves the factory.

[0003] When testing the click of the vehicle-mounted touch screen, it is always placed on the test seat for fixed click testing. However, when the touch screen is assembled and used inside the vehicle, it will face different touch scenarios, such as bumps and shakes during driving. Under the action of impact force, the contact pressure may fluctuate, resulting in insensitive touch. Compared with the fixed test in the existing technology, it cannot match the touch interference caused by various factors in actual use. Summary of the Invention

[0004] The present invention provides a vehicle-mounted touch screen click test device, which solves the technical problem in the related art that fixed testing of vehicle-mounted touch screens cannot match the touch interference caused by various factors in actual usage, thereby affecting the accuracy of touch screen click response test results.

[0005] The present invention provides a vehicle-mounted touch screen click test device, comprising: Touch screen probe testing machine, test box, three-axis linear slide module, industrial camera and display screen, by clicking multiple positions of the vehicle touch screen several times, recording whether the touch point triggers an effective response and the response sensitivity; The placement and positioning module includes two sets of detection seats, two sets of connecting springs, and two sets of placement plates, which form a non-locking placement environment for the fixed touch screen. After vertical movement, the touch screen on the placement plate is subjected to the elastic force fluctuations of the connecting springs, simulating the click operation in a bumpy driving environment of a vehicle. The trigger simulation module includes a right-angle plate and a roller. As the click action progresses, it moves vertically to contact the placement plate. The downward squeezing force and upward pulling force provide triggering power for the placement plate to shake. The sliding friction of the curved surface of the roller compensates for the squeezing pressure and maintains squeezing uniformity. The wave force module includes two pulleys, a connecting belt and an eccentric rod. It applies multiple levels of pressure during the synchronous shaking and clicking test process, simulating the response sensitivity of the touch screen under different finger force intensities when clicking on the touch screen.

[0006] As a further optimization solution of the present invention, the placement and positioning module further includes: A pair of nut blocks, the tops of the placement plates on both sides are provided with sliding grooves, the nut blocks on both sides are respectively slidably connected to the inner walls of the sliding grooves on both sides, the middle parts of the nut blocks on both sides are threadedly connected with threaded rods, and limiting grooves are provided on both sides of the tops of the placement plates on both sides, and clamping blocks are slidably connected above the inner walls of the limiting grooves on both sides, and the ends of the threaded rods on both sides are respectively rotatably connected to the middle parts of the clamping blocks on both sides.

[0007] As a further optimization solution of the present invention, the trigger simulation module further includes: The probe frame is slidably connected to the middle part of the three-axis linear slide module. The middle part of the probe frame is slidably connected to a connecting rod. The bottom end of the connecting rod is fixedly connected to a C-shaped frame. The top of the C-shaped frame is fixedly connected to a stepper motor. The driving end of the stepper motor is fixedly connected to a screw rod. The screw rod is rotatably connected to the top of the C-shaped frame and the outer wall is threadedly connected to a movable shift block. The movable shift block is slidably connected to the middle part of the C-shaped frame. The inner wall of the C-shaped frame is slidably connected to a rectangular plate. The rectangular plate is sleeved on the outer wall of the movable shift block.

[0008] As a further optimization scheme of the present invention, an eight-shaped groove is opened in the middle of the rectangular plate, and hanging rods are slidably connected on both sides of the inner wall of the eight-shaped groove, and the bottom ends of the hanging rods on both sides are fixedly connected to expansion plates, and a pair of guide rods are fixedly connected to the middle of the C-shaped frame, and the expansion plates on both sides are slidably connected to the outer walls of the guide rods on both sides, and click probes are fixedly connected to the bottoms of the expansion plates on both sides.

[0009] As a further optimization scheme of the present invention, a first tooth plate is fixedly connected to the middle part of the front side of the C-shaped frame, a connecting plate is fixedly connected to the middle part of the front side of the probe frame, and the bottom of the connecting plate is rotatably connected to a transmission gear, and the transmission gear is meshed with the first tooth plate.

[0010] As a further optimization scheme of the present invention, connecting grooves are opened on both sides of the front of the probe frame, and the inner walls of the connecting grooves on both sides are slidably connected with hanging strips, and the bottoms of the hanging strips on both sides are fixedly connected with second tooth plates, which are meshed with the transmission gear, and the bottom of the second tooth plate is fixedly connected to the top of the right-angle plate, and the roller is rotatably connected to the middle part of the right-angle plate.

[0011] As a further optimization solution of the present invention, the wave force application module further includes: The vertical plate is fixedly connected to the top of the probe frame, and the pulleys on both sides are rotatably connected to the top of the C-shaped frame and the middle of the vertical plate respectively. The pulleys on both sides are connected by connecting belts, and the eccentric rod is fixedly connected to the edge side of the upper pulley.

[0012] As a further optimization scheme of the present invention, a wedge plate is provided above the vertical plate, and compensation springs are fixedly connected to both sides of the bottom of the wedge plate. The bottom ends of the compensation springs on both sides are fixedly connected to the vertical plate, and the outer wall of the eccentric rod is slidably connected to the middle part of the wedge plate. A chute block is attached to the bottom of the wedge plate.

[0013] As a further optimization scheme of the present invention, strip grooves are provided on both sides of the top of the chute block, the inner walls of the strip grooves on both sides are slidably connected with sliders, the tops of the sliders on both sides are fixedly connected with spring rods, the tops of the spring rods on both sides are fixedly connected with central axes, the outer wall of the central axis is provided with a pressure wheel, and the pressure wheel is rotatably set on the top of the chute block.

[0014] As a further optimization solution of the present invention, a buffer spring is provided between the chute block and the probe frame, and the buffer spring is sleeved on the outer wall of the connecting rod.

[0015] The beneficial effects of the present invention are: 1. The in-vehicle touch screen click test device described in the present invention triggers the vertical upward or downward movement of the right-angle plate by synchronously clicking the clicking action of the probe, and comes into contact with the placement plate on which the touch screen is fixed during the movement. During the up and down movement, an extrusion or pulling force is applied to the placement plate, causing the placement plate to squeeze the two sets of connecting springs on one side of the bottom, so that the placement plate is in an inclined state. After the right-angle plate contacts and separates from the placement plate, the accumulated elastic potential energy of the two squeezed sets of springs is released to the placement plate, causing the two sides of the placement plate to shake symmetrically. The click touch of the bumpy driving scenario of the car can be synchronously simulated during the click test, and the sensitivity of the click touch response of the in-vehicle touch screen can be tested in this process.

[0016] 2. The in-vehicle touch screen click test device described in the present invention adjusts the distance between the expansion plates on both sides of the click probe to change the coverage area of the silicone rubber pad material click probe, corresponding to the size of the test click icon to cover different ranges of click actions, and sets a hemispherical arc surface in the middle of the silicone rubber pad to match the arc surface touch of the finger during actual use, restoring the pressure distribution characteristics of the contact surface in the real usage scenario.

[0017] 3. The in-vehicle touch screen click test device described in the present invention triggers the operation of the fluctuating force application module as the size of the area covered by the click probe clicking the icon changes. By pushing the pressure wheel to roll along the inclined surface of the inclined groove block, the pressure of the pressure wheel on the inclined groove block gradually increases and transmits downward when rolling from low to high. Correspondingly, the squeezing force gradually decreases when moving from high to low. By applying a fluctuating force to the click probe to synchronize the test operation, the sensitivity of the in-vehicle touch screen response is more comprehensively tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a vehicle-mounted touch screen click test device proposed by the present invention.

[0019] Figure 2 for Figure 1 Enlarged schematic diagram of point A in the middle.

[0020] Figure 3 This is a rear view schematic diagram of the overall structure of a vehicle-mounted touch screen click test device proposed by the present invention.

[0021] Figure 4 The diagram is a top view of a vehicle-mounted touch screen click test device proposed by the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of a three-axis linear slide module of a vehicle-mounted touch screen click test device proposed by the present invention.

[0023] Figure 6 for Figure 5 Enlarged schematic diagram of point B in the middle.

[0024] Figure 7 This is a partial structural diagram of the trigger simulation module and the wave force application module of the vehicle-mounted touch screen click test device proposed by the present invention.

[0025] Figure 8 for Figure 7 Enlarged schematic diagram of point C in the middle.

[0026] Figure 9 This is a vertical cross-sectional schematic diagram of a probe frame of a vehicle-mounted touch screen click test device proposed by the present invention.

[0027] Figure 10 This is a schematic diagram of the partial structure of a trigger simulation module of a vehicle-mounted touch screen click test device proposed by the present invention, viewed from above.

[0028] Figure 11 This is a schematic diagram of the disassembled state of the trigger simulation module of the vehicle-mounted touch screen click test device proposed by the present invention.

[0029] Figure 12 This is a schematic side view of the partial structure of the trigger simulation module and the wave force application module of the vehicle-mounted touch screen click test device proposed by the present invention.

[0030] In the picture: 1. Touch screen probe testing machine; 2. Test box; 3. Three-axis linear slide module; 4. Industrial camera; 5. Display screen.

[0031] The positioning module 6 includes: Detection seat; 602, connecting spring; 603, placement plate; 604, slide groove; 605, nut block; 606, threaded rod; 607, clamping block; 608, limit groove.

[0032] The trigger simulation module 7 includes: Probe frame; 702, connecting rod; 703, C-shaped frame; 704, stepping motor; 705, lead screw; 706, movable shift block; 707, rectangular plate; 708, figure-eight groove; 709, hanging rod; 710, expansion plate; 711, guide rod; 712, click probe; 713, first tooth plate; 714, connecting plate; 715, transmission gear; 716, second tooth plate; 717, hanging plate strip; 718, connecting groove; 719, right-angle plate; 720, roller.

[0033] The wave force application module 8 includes: 801, pulley; 802, connecting belt; 803, eccentric rod; 804, vertical plate; 805, wedge plate; 806, compensation spring; 807, pressure wheel; 808, chute block; 809, buffer spring; 810, slider; 811. Spring rod; 812. Center axis; 813. Strip groove. DETAILED DESCRIPTION

[0034] The subject matter described herein will now be discussed with reference to exemplary embodiments. It should be understood that these embodiments are discussed solely to enable those skilled in the art to better understand and implement the subject matter described herein, and that the functions and arrangements of the elements discussed may be varied without departing from the scope of this specification. Various examples may omit, substitute, or add various processes or components as needed. Furthermore, features described for some examples may be combined in other examples. Example 1

[0035] like Figures 1 to 12 As shown, an in-vehicle touch screen click test device according to an embodiment of the present invention includes: Touch screen probe tester 1, test box 2, three-axis linear slide module 3, industrial camera 4 and display screen 5. By clicking and touching multiple positions of the vehicle touch screen several times, the touch points are recorded to see whether they trigger an effective response and the response sensitivity. The placement and positioning module 6 includes two sets of detection seats 601, two sets of connecting springs 602, and two sets of placement plates 603. This creates an unlocked placement environment for the fixed touch screen. After vertical movement, the touch screen on the placement plate 603 is subjected to the elastic force fluctuations of the connecting springs 602, simulating the click operation in a bumpy driving environment of a vehicle. The trigger simulation module 7 includes a right-angle plate 719 and a roller 720. The roller 720 is rotatably mounted in the middle of the bottom edge of the right-angle plate 719. As the click action progresses, it moves vertically to contact the placement plate 603. The rolling of the curved surface provides triggering power for the shaking of the placement plate 603 through downward squeezing force and upward pulling force. The sliding friction of the curved surface of the roller 720 compensates for the squeezing pressure, maintaining squeezing uniformity. The wave force module 8 includes two pulleys 801, a connecting belt 802 and an eccentric rod 803. The eccentric rod 803 is arranged in the middle of the edge of the upper pulley 801 and passes through it. The synchronous shaking and clicking test process synchronizes the application of multi-level pressure intensity to simulate the response sensitivity of the touch screen under different force intensities of fingers when clicking on the touch screen.

[0036] The placement and positioning module 6 also includes: A pair of nut blocks 605, the tops of the two side placing plates 603 are provided with sliding grooves 604, the nut blocks 605 on both sides are slidably connected to the inner walls of the two side sliding grooves 604, the sizes of the sliding grooves 604 and the nut blocks 605 correspond to each other, the middle parts of the nut blocks 605 on both sides are threadedly connected with threaded rods 606, and the tops of the two side placing plates 603 are provided with limiting grooves 608 on both sides, and the upper inner walls of the limiting grooves 608 on both sides are slidably connected with clamping blocks 607, the clamping block 607 is C-shaped and two rectangular blocks are provided at the bottom to cooperate with the adjustment to slide on the inner wall of the limiting groove 608, to limit the straight line trajectory of the clamping block 607 to avoid offset, and the ends of the threaded rods 606 on both sides are rotatably connected to the middle parts of the clamping blocks 607 on both sides.

[0037] It should be noted that, according to the size of the vehicle-mounted touch screen, the nut blocks 605 on both sides can be moved along the inner walls of the slide grooves 604 on both sides and adjusted to a suitable matching position. The threaded rods 606 on both sides are rotated, and the clamping blocks 607 on both sides are moved with the cooperation of the limit grooves 608. The clamping blocks 607 are made of elastic rubber material and are attached to the outer wall of the vehicle-mounted touch screen.

[0038] The trigger simulation module 7 further includes: During the test, the probe frame 701 is slidably connected to the middle part of the three-axis linear slide module 3, and the middle part of the probe frame 701 is slidably connected to the connecting rod 702, and the bottom end of the connecting rod 702 is fixedly connected to the C-shaped frame 703, and the top of the C-shaped frame 703 is fixedly connected to the stepping motor 704, and the driving end of the stepping motor 704 is fixedly connected to the screw rod 705, and the screw rod 705 is rotatably connected to the top of the C-shaped frame 703 and the outer wall is threadedly connected to the movable shift block 706, and the movable shift block 706 is set to I shape, including a movable block threadedly connected to the screw rod 705 at the top, a connecting rod in the middle and an arc plate at the bottom, the outer wall of the connecting rod passes through and slides in the arc hole opened in the middle part of the C-shaped frame 703, the movable shift block 706 is slidably connected to the middle part of the C-shaped frame 703, and the inner wall of the C-shaped frame 703 is slidably connected to the rectangular plate 707, and the rectangular plate 707 is sleeved The arc plate provided on the outer wall of the movable shift block 706 and the bottom of the movable shift block 706 can play a connecting and supporting role for the rectangular plate 707, and slides along the inner wall of the C-shaped frame 703 following the moving trajectory of the movable shift block 706. An eight-shaped groove 708 is provided in the middle of the rectangular plate 707, and the eight-shaped groove 708 is symmetrically arranged with the center of the movable shift block 706. Both sides of the inner wall of the eight-shaped groove 708 are slidably connected with hanging rods 709, and the bottom ends of the hanging rods 709 on both sides are fixedly connected with expansion plates 710. A pair of guide rods 711 are fixedly connected to the middle of the C-shaped frame 703, and the expansion plates 710 on both sides are slidably connected to the outer walls of the guide rods 711 on both sides. The spacing of the expansion plates 710 on both sides on the guide rods 711 is adjusted by sliding the hanging rods 709 along the eight-shaped groove 708, and the bottoms of the expansion plates 710 on both sides are fixedly connected with click probes 712.

[0039] It should be noted that, with the operation of the three-axis linear slide module 3, the probe frame 701 is driven to adjust the placement position of the corresponding vehicle touch screen, and the stepper motor 704 drives the screw rod 705 to rotate alternately forward and reverse, and with the limit cooperation of the through hole in the middle of the C-shaped frame 703, the movable dial block 706 can slide back and forth alternately in the middle of the C-shaped frame 703, and drive the rectangular plate 707 set on the outer wall to slide in the middle of the C-shaped frame 703. During the movement of the C-shaped frame 703, the opening of the eight-shaped groove 708 allows the hanging rods 709 on both sides to slide along the inner wall direction, and with the cooperation of the guide rods 711 on both sides, the two sets of expansion plates 710 can be adjusted to move closer or farther away. The click probe 712 with a silicone outer wall can be deformed and adjusted to change its coverage area. The size of the corresponding click icon can cover different ranges of click actions. The click probe 712 is internally integrated with a displacement sensor module to detect the displacement change when the click probe 712 contacts the touch screen, such as the precise measurement of the pressing depth or sliding trajectory. The sensitivity and positioning accuracy of the touch screen are verified based on the displacement data and the record recognition of the industrial camera 4. A hemispherical arc surface is set in the middle of the outer wall of the click probe 712 to match the arc touch of the finger during actual use, and restore the pressure distribution characteristics of the contact surface in the real usage scenario. Example 2

[0040] Corresponding to the adjustment of the test coverage area of the click probe 712 in the above embodiment, a simulation of the test scenario is further set: The first gear 713 is fixedly connected to the middle part of the front side of the C-shaped frame 703, and the connecting plate 714 is fixedly connected to the middle part of the front side of the probe frame 701. The bottom of the connecting plate 714 is rotatably connected to the transmission gear 715, and the transmission gear 715 is meshed with the first gear plate 713. Connecting grooves 718 are provided on both sides of the front of the probe frame 701. The inner walls of the connecting grooves 718 on both sides are slidably connected with hanging strips 717. The bottoms of the hanging strips 717 on both sides are fixedly connected to the second gear plate 716. The second gear plate 716 and the first gear plate 713 are symmetrical and staggered with the center of the transmission gear 715. The second gear plate 716 is meshed with the transmission gear 715. The bottom of the second gear plate 716 is fixedly connected to the top of the right-angled plate 719, and the roller 720 is rotatably connected to the middle part of the right-angled plate 719. The roller 720 at the middle part of the bottom end of the right-angled plate 719 retains a certain overlapping contact surface with the placement plate 603 in the vertical direction.

[0041] It should be noted that, as the C-shaped frame 703 moves during the click test, the first tooth plate 713 is driven to move synchronously, which can trigger the transmission gear 715 set in the middle of the connecting plate 714 to rotate, and synchronously trigger the second tooth plate 716 meshed on the other side of the transmission gear 715 to move upward, and the two sets of hanging strips 717 slide on the inner wall guide limit of the connecting groove 718 on both sides. During the upward movement, the roller 720 is driven to move upward synchronously through the right-angle plate 719, realizing the upward dial during the click test operation and the downward pressing when resetting after the test is completed, applying force to the placement plate 603 to trigger To simulate the formation of a scene, the outer wall of the right-angle plate 719 is located below the placement plate 603 in the default state, and then an upward pushing force is generated on the placement plate 603 during the upward movement, so that the two groups of connecting springs 602 on the side away from the right-angle plate 719 are squeezed and deformed. After the right-angle plate 719 contacts and separates from the placement plate 603, the elastic potential energy of the two groups of connecting springs 602 is released, so that the placement plate 603 shakes under the elastic force of the connecting springs 602 on both sides, which can simulate the vehicle driving scene in a bumpy environment during the click test, and test the click touch sensitivity of the vehicle touch screen in this scene. Example 3

[0042] Corresponding to the simulation of the bump test scenario and the transformation of the click coverage in the above embodiment, a change in the click touch force intensity is further set, corresponding to the comprehensive test of the test scenario: The wave force application module 8 also includes: The vertical plate 804 is fixedly connected to the top of the probe frame 701, and the pulleys 801 on both sides are rotatably connected to the top of the C-shaped frame 703 and the middle of the vertical plate 804. The vertical plate 804 is set to the upper pulley 801 to play a supporting role. The pulleys 801 on both sides are connected by connecting belts 802. The connecting belts 802 are set to be elastic belts. They produce a certain deformation corresponding to the fluctuating force received during the test process to cooperate with the transmission rotation of the pulleys 801 on both sides. The eccentric rod 803 is fixedly connected to the edge side of the upper pulley 801. A wedge plate 805 is provided above the vertical plate 804. The bottom sides of the wedge plate 805 are fixedly connected to compensation springs 806. The bottom ends of the compensation springs 806 on both sides are fixedly connected to the vertical plate 804. The outer wall of the eccentric rod 803 is slidably connected to the middle part of the wedge plate 805. The bottom of the wedge plate 805 is attached with an inclined groove block 808. The top of the inclined groove block 808 The top of the slider 810 is fixedly connected to the spring rod 811, and the top of the spring rod 811 is fixedly connected to the central axis 812. The outer wall of the central axis 812 is provided with a pressing wheel 807. The spring rod 811 cooperates with the pressing wheel 807 to roll and retract in the vertical direction, and with the cooperation of the slider 810 along the inclined strip groove 813, the stability of the pressing wheel 807 rolling along the inclined surface is ensured, thereby ensuring the uniform stability of the pressure change. The pressing wheel 807 is set on the top of the inclined groove block 808. After being subjected to the vertical force of the wedge plate 805, the pressing wheel 807 rolls up or down along the inner wall of the inclined groove block 808. A buffer spring 809 is provided between the inclined groove block 808 and the probe frame 701, and the buffer spring 809 is sleeved on the outer wall of the connecting rod 702.

[0043] It should be noted that when the size of the click coverage area of the click probe 712 is adjusted, along with the rotation of the screw rod 705, the eccentric rod 803 is driven to rotate eccentrically through the cooperation of the pulleys 801 on both sides and the connecting belt 802, so that the wedge plate 805 set on the outer wall of the eccentric rod 803 can move up and down in the vertical direction. During the downward movement, the wedge plate 805 generates an upward thrust on the pressure wheel 807, causing it to roll upward along the inner wall of the inclined groove block 808, generating a gradually increasing extrusion pressure on the connecting rod 702. Correspondingly, during the upward movement of the wedge plate 805, the extrusion pressure on the pressure wheel 807 is reduced, and it rolls downward along the inner wall of the inclined groove block 808. The setting of the spring rod 811, the central axis 812, and the slider 810 can correspond to the process of the pressure wheel 807 rolling along the inclined surface, matching the inclined trajectory of the strip groove 813, realizing the change adjustment of the click touch force during the click test, and more comprehensively testing the response sensitivity of the vehicle-mounted touch screen.

[0044] Working principle: First, place the vehicle touch screen to be tested on the placement plate 603. According to the size of the vehicle touch screen, the nut blocks 605 on both sides can be adjusted to the appropriate matching position by sliding them along the inner walls of the two side slide grooves 604. Then, the threaded rods 606 on both sides are rotated, and the clamping blocks 607 on both sides are moved with the cooperation of the limit grooves 608. The clamping blocks 607 are made of elastic rubber and are fixed to the outer wall of the vehicle touch screen. Next, the operation of the three-axis linear slide module 3 drives the probe frame 701 to adjust the placement position corresponding to the vehicle-mounted touch screen, and the stepping motor 704 drives the screw rod 705 to rotate alternately forward and reverse. Under the limit cooperation of the through hole in the middle of the C-shaped frame 703, the movable dial block 706 can slide back and forth alternately in the middle of the C-shaped frame 703, and drive the rectangular plate 707 set on the outer wall to slide in the middle of the C-shaped frame 703. During the movement of the C-shaped frame 703, the opening of the eight-shaped groove 708 allows the hanging rods 709 on both sides to slide along the inner wall direction, and with the cooperation of the guide rods 711 on both sides, the two sets of expansion plates 710 can be adjusted closer or farther away, so that the click probe 712 with a silicone material on the outer wall can be deformed and adjusted, and the coverage area of the click probe 712 can be changed to cover different ranges of click actions corresponding to the size of the test click icon. A hemispherical arc surface is set in the middle of the outer wall of the click probe 712 to match the arc touch of the finger during actual use, restoring the pressure distribution characteristics of the contact surface in the real use scenario. When the C-shaped frame 703 moves during the click test, the first tooth plate 713 is driven to move synchronously, which can trigger the transmission gear 715 set in the middle of the connecting plate 714 to rotate, and synchronously trigger the second tooth plate 716 meshed with the other side of the transmission gear 715 to move upward. The two sets of hanging strips 717 slide on the inner wall guide limit of the connecting grooves 718 on both sides. During the upward movement, the roller 720 is driven to move upward synchronously through the right-angle plate 719. The outer wall of the right-angle plate 719 is located below the placement plate 603 in the default state. Therefore, during the upward movement, an upward pushing force is generated on the placement plate 603, so that the two sets of connecting springs 602 on the side away from the right-angle plate 719 are squeezed and deformed. After the right-angle plate 719 contacts and separates from the placement plate 603, the elastic potential energy of the two sets of connecting springs 602 is released, so that the placement plate 603 shakes under the elastic force of the connecting springs 602 on both sides, which can simulate the driving scene of the vehicle in a bumpy environment during the click test, and the click touch sensitivity of the vehicle touch screen is tested in this scene. When the size of the click coverage area of the click probe 712 is adjusted, along with the rotation of the screw rod 705, the eccentric rod 803 is driven to rotate eccentrically through the cooperation of the pulleys 801 on both sides and the connecting belt 802, so that the wedge plate 805 set on the outer wall of the eccentric rod 803 can move up and down in the vertical direction. During the downward movement, the wedge plate 805 generates an upward thrust on the pressure wheel 807, causing it to roll upward along the inner wall of the inclined groove block 808, generating a gradually increasing extrusion pressure on the connecting rod 702. Correspondingly, during the upward movement of the wedge plate 805, the extrusion pressure on the pressure wheel 807 is reduced, and it rolls downward along the inner wall of the inclined groove block 808. The settings of the spring rod 811, the central axis 812, and the slider 810 can correspond to the process of the pressure wheel 807 rolling along the inclined surface, matching the inclined trajectory of the strip groove 813, realizing the change adjustment of the click touch force during the click test, and more comprehensively testing the response sensitivity of the vehicle-mounted touch screen.

[0045] The above describes an embodiment of the present invention, but this embodiment is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Ordinary technicians in this field can also make many forms based on the inspiration of this embodiment, all of which are protected by this embodiment.

Claims

1. A vehicle-mounted touch screen click test device, characterized in that: include: A touch screen probe tester (1), a test box (2), a three-axis linear slide module (3), an industrial camera (4) and a display screen (5) are used to record whether the touch points trigger an effective response and the response sensitivity by clicking on multiple positions of the vehicle-mounted touch screen several times; The placement and positioning module (6) includes two sets of detection seats (601), two sets of connecting springs (602) and two sets of placement plates (603), which form an unlocked placement environment for the fixed touch screen. After vertical toggling, the touch screen on the placement plate (603) is subjected to the elastic force fluctuation of the connecting springs (602), simulating the click operation in a bumpy driving environment of a vehicle. The trigger simulation module (7) includes a right-angle plate (719) and a roller (720), which moves in a vertical direction to contact the placement plate (603) as the clicking action proceeds, and provides triggering power for the shaking of the placement plate (603) through downward squeezing force and upward pulling force. The sliding friction of the curved surface of the roller (720) compensates for the squeezing pressure to maintain squeezing uniformity; The wave force application module (8) comprises two pulleys (801), a connecting belt (802) and an eccentric rod (803), and applies multi-level pressure in a synchronous shaking and clicking test process, simulating the response sensitivity of the touch screen under different finger force intensities when clicking on the touch screen.

2. The vehicle-mounted touch screen click test device according to claim 1, characterized in that: The placement and positioning module (6) further includes: A pair of nut blocks (605), the tops of the placement plates (603) on both sides are provided with sliding grooves (604), the nut blocks (605) on both sides are slidably connected to the inner walls of the sliding grooves (604) on both sides, the middle parts of the nut blocks (605) on both sides are threadedly connected to threaded rods (606), the tops of the placement plates (603) on both sides are provided with limiting grooves (608), the upper inner walls of the limiting grooves (608) on both sides are slidably connected to clamping blocks (607), and the ends of the threaded rods (606) on both sides are rotatably connected to the middle parts of the clamping blocks (607) on both sides.

3. The vehicle-mounted touch screen click test device according to claim 1, characterized in that: The trigger simulation module (7) further includes: The probe frame (701) is slidably connected to the middle part of the three-axis linear slide module (3); the middle part of the probe frame (701) is slidably connected to a connecting rod (702); the bottom end of the connecting rod (702) is fixedly connected to a C-shaped frame (703); the top of the C-shaped frame (703) is fixedly connected to a stepping motor (704); the driving end of the stepping motor (704) is fixedly connected to a lead screw (705); the lead screw (705) is rotatably connected to the top of the C-shaped frame (703) and the outer wall is threadedly connected to a movable shifting block (706); the movable shifting block (706) is slidably connected to the middle part of the C-shaped frame (703); the inner wall of the C-shaped frame (703) is slidably connected to a rectangular plate (707); the rectangular plate (707) is sleeved on the outer wall of the movable shifting block (706).

4. The vehicle-mounted touch screen click test device according to claim 3, characterized in that: An eight-shaped groove (708) is provided in the middle of the rectangular plate (707), and hanging rods (709) are slidably connected to both sides of the inner wall of the eight-shaped groove (708), and the bottom ends of the hanging rods (709) on both sides are fixedly connected to the expansion plates (710), and a pair of guide rods (711) are fixedly connected to the middle of the C-shaped frame (703), and the expansion plates (710) on both sides are slidably connected to the outer walls of the guide rods (711) on both sides, and the bottoms of the expansion plates (710) on both sides are fixedly connected to click probes (712).

5. The vehicle-mounted touch screen click test device according to claim 4, characterized in that: A first tooth plate (713) is fixedly connected to the middle of the front side of the C-shaped frame (703), a connecting plate (714) is fixedly connected to the middle of the front side of the probe frame (701), and a transmission gear (715) is rotatably connected to the bottom of the connecting plate (714), and the transmission gear (715) is meshed with the first tooth plate (713).

6. The vehicle-mounted touch screen click test device according to claim 5, characterized in that: The front sides of the probe frame (701) are provided with connecting grooves (718), and the inner walls of the connecting grooves (718) on both sides are slidably connected with hanging strips (717), and the bottoms of the hanging strips (717) on both sides are fixedly connected with second tooth plates (716), and the second tooth plates (716) are meshed with the transmission gear (715). The bottom of the second tooth plate (716) is fixedly connected to the top of the right-angle plate (719), and the roller (720) is rotatably connected to the middle of the right-angle plate (719).

7. The vehicle-mounted touch screen click test device according to claim 1, characterized in that: The wave force application module (8) further includes: The vertical plate (804) is fixedly connected to the top of the probe frame (701), and the pulleys (801) on both sides are rotatably connected to the top of the C-shaped frame (703) and the middle of the vertical plate (804), respectively. The pulleys (801) on both sides are connected by a connecting belt (802), and the eccentric rod (803) is fixedly connected to the edge side of the upper pulley (801).

8. The vehicle-mounted touch screen click test device according to claim 7, characterized in that: A wedge-shaped plate (805) is provided above the vertical plate (804), and compensation springs (806) are fixedly connected to both sides of the bottom of the wedge-shaped plate (805), and the bottom ends of the compensation springs (806) on both sides are fixedly connected to the vertical plate (804). The outer wall of the eccentric rod (803) is slidably connected to the middle part of the wedge-shaped plate (805), and a chute block (808) is attached to the bottom of the wedge-shaped plate (805).

9. The vehicle-mounted touch screen click test device according to claim 8, characterized in that: Both sides of the top of the chute block (808) are provided with strip grooves (813), the inner walls of the strip grooves (813) on both sides are slidably connected to sliders (810), the tops of the sliders (810) on both sides are fixedly connected to spring rods (811), the tops of the spring rods (811) on both sides are fixedly connected to central shafts (812), the outer wall of the central shaft (812) is provided with a pressing wheel (807), and the pressing wheel (807) is rotatably arranged on the top of the chute block (808).

10. The vehicle-mounted touch screen click test device according to claim 9, characterized in that: A buffer spring (809) is provided between the chute block (808) and the probe frame (701), and the buffer spring (809) is sleeved on the outer wall of the connecting rod (702).

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