Automobile display screen compression resistance detection device and method

Abstract

The invention discloses an automobile display screen compression resistance detection device and method, and belongs to the technical field of vehicle-mounted display screen detection.The automobile display screen compression resistance detection device comprises a supporting base, a supporting column and a ball shaft component are arranged in the center of the top of the supporting base, and a vibration motor and a vibration disc are arranged above the ball shaft component; a fluctuation traction assembly connected with the vibration disc is arranged on the periphery of the supporting column. The fluctuation traction assembly comprises a conical disc and a telescopic air cylinder. According to the device, efficient preparation and detection of batch automobile display screens are realized, the device flexibly adapts to different types of display screens through the detachable screen mounting frame, the limiting inclined frame and other components, and vibration, shaking and impact stress possibly encountered in the running process of an automobile can be simulated through a vibration motor, a fluctuation traction assembly, a winding motor and the like; the anti-pressure capability and the stability of the display screen are comprehensively tested, the detection efficiency is improved, and normal work of the display screen under various extreme conditions is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle display screen detection, and in particular to a vehicle display screen compression resistance detection device and method. Background Art

[0002] With the rapid development of automobile intelligence and informatization, automobile display screens have become an important part of automobiles. They are not only used to display basic vehicle information, such as speed, fuel level, water temperature, etc., but also undertake the information output of complex functions such as intelligent driving assistance systems and in-vehicle entertainment systems. For example, in high-end models, the central control display screen can realize high-precision map navigation display, real-time traffic information feedback, and seamless connection with smart phones, providing drivers with a rich interactive experience.

[0003] The quality of car displays directly affects user experience and driving safety. A display with quality issues may experience screen flickering, touch failure, etc., which will distract the driver during driving and may even cause traffic accidents in serious cases. Therefore, it is crucial to detect the quality of car displays.

[0004] In conjunction with the above content, it should be explained that: Chinese patent with announcement number CN218349964U discloses a compression test device for a vehicle-mounted display screen, which is provided with a rotary display screen feeding device to achieve continuous and safe feeding for testing; however, during the actual testing of the vehicle-mounted display screen, the compression test of the vehicle-mounted display screen is not a simple external force squeezing the glass to check whether the surface glass of the display screen is damaged, but rather, it is to simulate the comprehensive stress of vibration, squeezing and impact caused by road conditions and environment during driving of the car to check whether the display screen is frozen, abnormal display, etc., so the above patent for testing the vehicle display screen needs to be further improved.

[0005] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0006] The purpose of the present invention is to provide a device and method for detecting the compression resistance of an automobile display screen to solve the problem raised.

[0007] To achieve the above object, the present invention provides the following technical solutions: a vehicle display screen compression test device, comprising a support base, a support column and a ball shaft component are arranged at the top center of the support base, a vibration motor and a vibration disc are arranged above the ball shaft component, a wave traction assembly connected to the vibration disc is arranged at the periphery of the support column, and the wave traction assembly includes a cone disc and a telescopic cylinder;

[0008] A detection frame group is arranged on the top of the vibration disc, and the detection frame group includes a limiting inclined frame and a detachable screen frame. An impact test frame is arranged on the top outer wall of the detachable screen frame, and an impact ball is arranged inside the impact test frame. A winding bin is arranged on the outer wall of the impact test frame.

[0009] Furthermore, a lower sleeve is arranged on the top of the support column, an upper sleeve is arranged above the lower sleeve, the ball shaft component is embedded in the middle part between the lower sleeve and the upper sleeve, and multiple groups of spring dampers are arranged on the outer edge between the lower sleeve and the upper sleeve.

[0010] Furthermore, a lower annular guide rail is embedded in the top of the cone disk, a lower slider is arranged on the top of the lower annular guide rail, and an upper annular guide rail connected to the vibrating disc is arranged above the telescopic cylinder.

[0011] Furthermore, an upper slider is provided at the bottom of the upper annular guide rail, and the lower slider and the upper slider are rotatably sleeved with two ends of the telescopic cylinder respectively.

[0012] Furthermore, a lower connecting plate is arranged at the bottom of the vibration disc, an upper connecting plate is arranged at the top of the vibration disc, and a plurality of groups of spring dampers 2 are arranged between the upper connecting plate and the lower connecting plate.

[0013] Furthermore, a bracket is provided at the bottom of the limiting inclined frame and is slidably connected to the detachable screen mounting frame. The two ends of the detachable screen mounting frame are recessed with card slots, and sliding plug plates are connected to the card slots. Multiple groups of screen frames are arranged through the middle of the frame body of the detachable screen mounting frame.

[0014] Furthermore, an axle rod is provided through one end of the impact test frame close to the detachable screen mounting frame, a plurality of sets of rotating sleeves are sleeved on the rod body of the axle rod, a connecting rod connected to the impact ball is provided on the outer wall of the rotating sleeve, and a collision sensor is provided inside the impact ball.

[0015] Furthermore, the winding bin is fixedly installed on one end of the impact test frame away from the detachable screen mounting frame, a winding roller is arranged at the inner center of the winding bin, a traction rope is wound around the surface of the winding roller, a channel close to the impact ball is penetrated through the bin body of the winding bin, and a plurality of guide wheels are arranged inside the channel, the traction rope is connected to the surface of the impact ball along the channel, and a micromotor connected to the winding roller is arranged on the outer wall of the winding bin.

[0016] The present invention also provides a method for testing the pressure resistance of an automobile display screen, comprising the following steps: test preparation, assembly test, vibration test, shaking test and screen impact test.

[0017] The beneficial effects of the present invention are:

[0018] 1. The present invention randomly inspects the assembled automobile display screens, and centrally arranges them on the workbench in the laboratory, and installs them one by one in the card screen frame of the detachable screen mounting frame, so as to realize efficient preparation and inspection of batch automobile display screens. Moreover, by replacing components such as the limit bevel frame, it can flexibly adapt to automobile display screens of different models, thereby improving the versatility and applicability of the inspection.

[0019] 2. The present invention uses a vibration motor and a wave traction assembly to simulate the vibration and shaking stress that a car may encounter during driving, which helps to test the pressure resistance and stability of the precision electronic components inside the car display screen. At the same time, it also uses the adjustment of the vibration amplitude and shaking mode to more realistically simulate the vibration conditions under different road conditions. The winding motor quickly unwinds the traction rope, causing the impact ball to lose its limit and swing and hit the car display screen, thereby achieving a quality test of the screen glass and a resistance test of the fixed axial force of the internal precision electrical components, ensuring that the car display screen can still work normally under extreme conditions such as collisions.

[0020] 3. The present invention is used in conjunction with external data monitoring equipment to perform compression tests on automobile display screens in various ways such as vibration, shaking and impact, and is combined with external data equipment to record the compression performance data of automobile display screens tested in the same batch, so as to comprehensively and objectively evaluate their compression performance and provide a scientific basis for product quality control and improvement. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a three-dimensional diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the support base of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the ball shaft component of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the wave traction assembly of the present invention;

[0026] Figure 5 It is a structural schematic diagram of the vibrating disc of the present invention;

[0027] Figure 6 It is a structural schematic diagram of the detection frame group of the present invention;

[0028] Figure 7 It is a schematic diagram of the exploded structure of the detection frame group of the present invention;

[0029] Figure 8 It is a bottom view structural schematic diagram of the impact test stand of the present invention;

[0030] Fig. 9 It is a schematic diagram of the internal structure of the impact test frame of the present invention.

[0031] Figure numerals: 1, support base; 101, support column; 102, lower sleeve; 103, spring damper 1; 104, upper sleeve; 105, ball shaft component; 2, vibration disc; 201, lower connecting disc; 202, upper connecting disc; 203, spring damper 2; 3, detection frame group; 301, limit inclined frame; 302, sliding plug plate; 303, detachable screen frame; 304, card slot; 305, support Frame; 306, screen frame; 4, wave traction assembly; 401, cone; 402, lower annular guide rail; 403, telescopic cylinder; 404, lower slider; 405, upper annular guide rail; 406, upper slider; 5, vibration motor; 6, impact test frame; 601, shaft; 602, rotating sleeve; 603, connecting rod; 604, impact ball; 605, winding bin; 606, winding roller; 607, traction rope. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example 1: Please refer to Figure 1 - Fig. 9 As shown, this embodiment is a method for detecting the pressure resistance of a car display screen, comprising the following steps:

[0034] Test preparation: The assembled automobile display screens are randomly inspected and placed on the laboratory workbench, and are installed one by one in the screen frame 306 of the detachable screen mounting frame 303;

[0035] Assembly test: installing the detachable screen mounting frames 303 prepared for assembly in advance into the detection frame group 3 one by one, and performing detection processing on a single batch of automobile display screens;

[0036] Vibration test: The vibration motor 5 drives the detection frame group 3 through the vibration disc 2 to adjust the vibration amplitude step by step according to the test process;

[0037] Vibration test: The wave traction component 4 cooperates with the vibration motor 5 to pull and shake the vibration disc 2 to simulate the complex lateral and longitudinal vibration stress during the driving of the car, and to perform pressure test on the precision electronic components inside the car display screen;

[0038] Screen impact test: According to the process of the car display screen in the simulation test, the winding motor quickly unwinds the traction rope 607, and the impact ball 604 loses its limit and swings and hits the car display screen, which tests the quality of the screen glass and the resistance to the fixed axial force of the internal precision electrical components.

[0039] Embodiment 2: This embodiment is a compression testing device for a car display screen, comprising a support base 1, a support column 101 and a ball shaft component 105 are arranged at the top center of the support base 1, a vibration motor 5 and a vibration disc 2 are arranged above the ball shaft component 105, and a wave traction component 4 connected to the vibration disc 2 is arranged on the outer periphery of the support column 101;

[0040] The wave traction assembly 4 includes a cone disk 401 and a telescopic cylinder 403. The assembled automobile display screens are randomly inspected and placed on the workbench in the laboratory. The detachable screen mounting frame 303 on the inspection frame group 3 is removed in advance, and the automobile display screens waiting for inspection are installed one by one in the screen frame 306 of the detachable screen mounting frame 303, thus forming a continuous preparation for batch testing.

[0041] A lower sleeve 102 is arranged on the top of the support column 101, an upper sleeve 104 is arranged above the lower sleeve 102, a ball shaft component 105 is embedded in the middle between the lower sleeve 102 and the upper sleeve 104, and multiple groups of spring dampers 103 are arranged on the outer edge between the lower sleeve 102 and the upper sleeve 104.

[0042] A lower annular guide rail 402 is embedded in the top of the cone disk 401, a lower slider 404 is arranged on the top of the lower annular guide rail 402, an upper annular guide rail 405 connected to the vibrating disc 2 is arranged above the telescopic cylinder 403, an upper slider 406 is arranged at the bottom of the upper annular guide rail 405, and the lower slider 404 and the upper slider 404 are rotatably sleeved with the two ends of the telescopic cylinder 403 respectively.

[0043] The lower annular guide rail 402 and the upper annular guide rail 405 are both provided with driving members on their sides, such as driving motors, which drive the lower slider 404 and the upper slider 406 to move along the surfaces of the lower annular guide rail 402 and the upper annular guide rail 405, respectively. When the telescopic cylinder 403 is pulled to move between the lower annular guide rail 402 and the upper annular guide rail 405, the telescopic cylinder 403 is powered by an external air supply device to perform telescopic movement.

[0044] When the telescopic cylinder 403 is extended, the vibration disc 2 in the area is pushed upward, and the vibration disc 2 is connected to the ball shaft component 105 through the vibration motor 5 and the upper sleeve 104. The upper sleeve 104 is connected to the lower sleeve 102 through the ball shaft component 105, and deflects with the ball shaft component 105 as the central axis under the driving force, causing the vibration disc 2 to vibrate and deflect. Combined with the vibration continuously transmitted by the vibration disc 2, the restricted car display screen is subjected to the bumps caused by the road conditions when the car is driving on the road. In this process, the external data monitoring equipment monitors the internal operation data of the car in real time to detect whether the car display screen is frozen or has display abnormalities during the detection period.

[0045] When the upper sleeve 104 is used in conjunction with the lower sleeve 102 through the ball shaft component 105, the spring damper 103 is synchronously extended according to the extension of the position of the telescopic cylinder 403, and the spring damper 103 in the opposite area is compressed to provide resistance to prevent the vibration disk 2 from tilting too much. A plurality of groups of spring dampers 3 connected to the lower connecting disk 201 are arranged on the top of the upper sleeve 104 to cooperate with the vibration motor 5 to connect with the lower connecting disk 201.

[0046] Embodiment three: Embodiment 3 is a device for detecting the compression resistance of a car display screen, and further includes a detection frame group 3 arranged on the top of a vibration disc 2, the detection frame group 3 includes a limiting inclined frame 301 and a detachable screen mounting frame 303, an impact test frame 6 is arranged on the top outer wall of the detachable screen mounting frame 303, an impact ball 604 is arranged inside the impact test frame 6, and a winding bin 605 is arranged on the outer wall of the frame body of the impact test frame 6.

[0047] A lower connecting plate 201 is provided at the bottom of the vibration disc 2, an upper connecting plate 202 is provided at the top of the vibration disc 2, multiple groups of spring dampers 203 are provided between the upper connecting plate 202 and the lower connecting plate 201, the vibration motor 5 is started, and an accessory is provided at the output end of the vibration motor 5 to connect with the middle of the lower connecting plate 201;

[0048] The lower connecting plate 201 transmits vibration to the upper connecting plate 202 through the spring damper 203. The upper connecting plate 202 drives the detection frame group 3 to vibrate synchronously, and performs continuous vibration detection processing on the limited car display screen to simulate the vibration caused by road conditions during car driving. This process is carried out by external data monitoring equipment to monitor the internal operation data of the car in real time, which is used to detect whether the car display screen has a freeze, display abnormality or other conditions during the detection period.

[0049] A bracket 305 is provided at the bottom of the limiting inclined frame 301, which is slidably connected to the detachable screen mounting frame 303. The detachable screen mounting frame 303 has recessed slots 304 at both ends, and a sliding plug plate 302 is connected to the slots 304. A plurality of screen mounting frames 306 are arranged through the middle of the frame body of the detachable screen mounting frame 303.

[0050] An end of the impact test frame 6 close to the detachable screen frame 303 is penetrated by a shaft rod 601, and a plurality of rotating sleeves 602 are sleeved on the rod body of the shaft rod 601. A connecting rod 603 connected to the impact ball 604 is arranged on the outer wall of the rotating sleeve 602, and a collision sensor is arranged inside the impact ball 604. The sliding plug plate 302 is removed, and the detachable screen frame 303 is slidably sleeved into between the bracket 305 and the limiting inclined frame 301. After the card slots 304 at both ends of the detachable screen frame 303 are matched with the perforations on the limiting inclined frame 301, the removed sliding plug plate 302 is inserted into the card slots 304 along the perforations;

[0051] It is then locked on the limiting bevel frame 301 through external adapter fasteners to achieve joint limiting of the detachable screen mounting frame 303 and the car display screen. It is installed upright through the inclination angle of the limiting bevel frame 301 to simulate the installation angle of the display screen on the car. The limiting bevel frame 301 is replaced according to the model of the test display screen.

[0052] The winding bin 605 is fixedly installed at one end of the impact test frame 6 away from the detachable screen mounting frame 303, and a winding roller 606 is arranged at the inner center of the winding bin 605, and a traction rope 607 is wound around the surface of the winding roller 606. A channel close to the impact ball 604 is penetrated through the bin body of the winding bin 605, and a plurality of guide wheels are arranged inside the channel. The traction rope 607 is connected to the surface of the impact ball 604 along the channel, and a micro motor connected to the winding roller 606 is arranged on the outer wall of the winding bin 605;

[0053] The micromotor drives the winding roller 606 to rotate through a coupling and matching accessories. The winding roller 606 rotates to unwind the traction belt. The traction belt passes through the channel quickly, causing the impact ball 604 to lose its limit. Then, it rotates downward with the shaft 601 as the central axis through the connecting rod 603 and the rotating sleeve 602 until the impact ball 604 contacts the car display screen, and the display screen is subjected to impact and compression resistance testing to detect whether the car display screen is broken, display abnormalities, etc. during the detection period.

[0054] By vibrating, shaking and impacting the car display, the pressure resistance test of the car display can be achieved step by step, and combined with external data collection equipment, it is used to record the pressure resistance performance data of the tested car displays in the same batch.

[0055] It can be seen from the combination of Example 1 and Example 2 that it can not only achieve efficient preparation and testing of batches of automobile display screens, but also flexibly adapt to different types of display screens through components such as the detachable screen mounting frame 303 and the limiting bevel frame 301, thereby improving the versatility and efficiency of the testing, and can also use the vibration motor 5, the wave traction assembly 4 and the winding motor to simulate the vibration, shaking and impact stress that the car may encounter during driving, thereby comprehensively testing the pressure resistance and stability of the display screen.

[0056] At the same time, it is also used in conjunction with external data monitoring equipment to record and analyze the compressive performance data of display screens in the same batch, providing a scientific basis for product quality control and improvement, which not only improves detection efficiency, but also ensures the normal operation of the display screen under various extreme conditions.

[0057] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A vehicle display screen compression test device, comprising a support base (1), characterized in that: A support column (101) and a ball shaft component (105) are arranged at the top center of the support base (1); a vibration motor (5) and a vibration disc (2) are arranged above the ball shaft component (105); a wave traction component (4) connected to the vibration disc (2) is arranged on the outer periphery of the support column (101); the wave traction component (4) comprises a cone disc (401) and a telescopic cylinder (403); A detection frame group (3) is arranged on the top of the vibration disc (2), and the detection frame group (3) comprises a limiting inclined frame (301) and a detachable screen mounting frame (303). An impact test frame (6) is arranged on the outer wall of the top of the detachable screen mounting frame (303), an impact ball (604) is arranged inside the impact test frame (6), and a winding bin (605) is arranged on the outer wall of the frame of the impact test frame (6).

2. The vehicle display screen compression detection device according to claim 1, characterized in that: A lower sleeve (102) is arranged on the top of the support column (101), an upper sleeve (104) is arranged above the lower sleeve (102), the ball shaft component (105) is embedded in the middle between the lower sleeve (102) and the upper sleeve (104), and multiple groups of spring dampers (103) are arranged on the outer edge between the lower sleeve (102) and the upper sleeve (104).

3. The vehicle display screen compression detection device according to claim 1, characterized in that: A lower annular guide rail (402) is embedded on the top of the cone disk (401), a lower slider (404) is arranged on the top of the lower annular guide rail (402), and an upper annular guide rail (405) connected to the vibrating disc (2) is arranged above the telescopic cylinder (403).

4. The vehicle display screen compression detection device according to claim 1, characterized in that: An upper slider (406) is provided at the bottom of the upper annular guide rail (405), and the lower slider (404) and the upper slider (404) are rotatably sleeved with two ends of the telescopic cylinder (403) respectively.

5. The vehicle display screen compression detection device according to claim 1, characterized in that: A lower connecting plate (201) is arranged at the bottom of the vibration disc (2), an upper connecting plate (202) is arranged at the top of the vibration disc (2), and a plurality of groups of spring dampers (203) are arranged between the upper connecting plate (202) and the lower connecting plate (201).

6. The vehicle display screen compression detection device according to claim 1, characterized in that: A bracket (305) slidably connected to a detachable screen mounting frame (303) is arranged at the bottom of the limiting inclined frame (301), and a card slot (304) is recessed at both ends of the detachable screen mounting frame (303), and a sliding plug plate (302) is sleeved on the card slot (304), and a plurality of screen card frames (306) are arranged through the middle of the frame body of the detachable screen mounting frame (303).

7. The vehicle display screen compression detection device according to claim 1, characterized in that: An axle rod (601) is provided through one end of the impact test frame (6) close to the detachable screen mounting frame (303); a plurality of sets of rotating sleeves (602) are sleeved on the rod body of the axle rod (601); a connecting rod (603) connected to an impact ball (604) is provided on the outer wall of the rotating sleeve (602); and a collision sensor is provided inside the impact ball (604).

8. The vehicle display screen compression detection device according to claim 7, characterized in that: The winding bin (605) is fixedly mounted on one end of the impact test frame (6) away from the detachable screen mounting frame (303); a winding roller (606) is arranged at the inner center of the winding bin (605); a traction rope (607) is wound around the surface of the winding roller (606); a channel close to the impact ball (604) is penetrated through the bin body of the winding bin (605); and a plurality of guide wheels are arranged inside the channel; the traction rope (607) is connected to the surface of the impact ball (604) along the channel; and a micro motor connected to the winding roller (606) is arranged on the outer wall of the winding bin (605).

9. A method for detecting the compression resistance of a vehicle display screen, used in the device for detecting the compression resistance of a vehicle display screen as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: Test preparation, assembly test, vibration test, shock test and screen impact test.

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