Automobile screen sensor testing device

Abstract

The utility model relates to a testing device for an automobile screen sensor. The testing device comprises a rack, a rotating mechanism arranged on the rack, and a testing jig arranged on the rotating mechanism, the rotating mechanism is provided with a carrier plate used for fixing the test fixture, the carrier plate comprises a plurality of positioning grooves and a plurality of quick-release interfaces, and the test fixture comprises positioning pins in one-to-one correspondence with the positioning grooves and quick-release knobs which are in one-to-one correspondence with the quick-release interfaces and can be in screwed connection with the quick-release interfaces. According to the automobile screen sensor testing device designed by the utility model, the problem that the utilization rate of equipment is affected due to low die changing efficiency when different models or types of automobile screens are tested is solved, and rapid die changing of the equipment is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile screen sensor testing, and particularly relates to an automobile screen sensor testing device. BACKGROUND

[0002] With the rapid development of intelligent cockpit, the configuration of in-vehicle entertainment equipment is more and more rich, and the automobile screen as an important way of vehicle entertainment can bring good audio-visual experience to passengers in the vehicle and improve the comfort of passengers in the vehicle. After the automobile screen is assembled, a series of tests need to be completed, such as accelerometer test and gyroscope test. The accelerometer sensor and the gyroscope sensor are important sensors in the automobile screen. The accelerometer sensor is a sensor for measuring the acceleration of an object, which can detect the linear acceleration and angular acceleration of the object on the x, y and z axes. The gyroscope sensor is a sensor for measuring the angular velocity of an object, which can detect the angular acceleration of the object on the x, y and z axes. In the prior art, the accelerometer sensor and the gyroscope sensor of the automobile screen are tested by using automatic testing equipment. The automobile screen is fixed on the testing equipment by using a testing fixture. However, different models or different types of products need to replace the testing fixture during testing, and the existing testing equipment cannot quickly change the mold, which affects the equipment utilization rate. SUMMARY

[0003] In view of the above problems, the purpose of the utility model is to design an automobile screen sensor testing device to solve the problem of low mold changing efficiency affecting the equipment utilization rate when testing different models or different types of automobile screens, and to realize quick mold changing of the equipment.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] An automobile screen sensor testing device comprises a rack, a rotating mechanism arranged on the rack, and a testing fixture arranged on the rotating mechanism. The rotating mechanism is provided with a carrier plate for fixing the testing fixture. The carrier plate comprises a plurality of positioning grooves and a plurality of quick-release interfaces. The testing fixture comprises a positioning pin corresponding to each positioning groove and a quick-release knob corresponding to each quick-release interface and rotatably connected with the quick-release interface.

[0006] The automobile screen sensor testing device designed in the scheme is locked and fixed on the rotating mechanism, and then the automobile screen is fixed on the testing fixture, and the automobile screen is freely rotated around the x / y / z axis under the driving of the rotating mechanism, and the testing of the accelerometer sensor and the gyroscope sensor of the automobile screen is realized by cooperating with the related detection elements. In addition, in order to improve the mold changing efficiency of the testing device, the testing fixture and the carrier plate are provided with positioning structure and quick release structure. When the testing fixture is installed, the testing fixture is quickly positioned and placed through the cooperation of the positioning pin and the positioning groove, and the testing fixture is quickly locked through the cooperation of the quick release knob and the quick release interface, so that the stable connection between the testing fixture and the carrier plate is realized. Through the above design, the quick mold changing of the testing device is realized, and the operation rate of the testing device is improved, and the testing efficiency is improved.

[0007] Further, the testing fixture comprises a base, and the positioning pin and the quick release knob are arranged on the base and symmetrically distributed along the central axis of the base in the y-axis direction.

[0008] The number of positioning pins and quick release knobs is set according to the size of the base, but at least two are provided, and the positioning pins and quick release knobs are symmetrically distributed along the central axis of the base in the y-axis direction, so as to ensure the stability of the testing fixture fixed on the base.

[0009] Further, the quick release knob comprises a plug-in column, a handle located at one end of the plug-in column, and a screwing column located at the other end of the plug-in column, and the screwing column is perpendicular to the plug-in column.

[0010] During the docking of the quick release knob and the quick release interface, the plug-in column and the screwing column are inserted into the quick release interface, and the screwing column is rotated by ninety degrees by rotating the handle, so as to realize the screwing fixation between the screwing column and the quick release interface.

[0011] Further, the carrier plate is provided with a stepped hole, and the quick release interface is fixed in the stepped hole, and the top surface of the quick release interface is flush with the top surface of the carrier plate.

[0012] The quick release interface is detachably fixed on the carrier plate by bolts, which is convenient for maintenance and replacement when the quick release interface is damaged, and reduces the use cost.

[0013] Further, the testing fixture further comprises a carrier plate arranged on the base, and the carrier plate is provided with a profiling groove for fixing the automobile screen.

[0014] The profiling groove is designed according to the appearance size of the automobile screen, and during testing, the automobile screen is placed in the profiling groove and clamped and fixed to keep stable.

[0015] Further, the test fixture further comprises a first clamping unit and a plug-pull unit, the first clamping unit and the plug-pull unit are respectively arranged at two ends of the profiling groove along the length direction.

[0016] The first clamping unit is arranged at the end of the profiling plate, which presses the automobile screen to fit on the groove wall to realize the fixation of the automobile screen, and after the fixation is completed, the plug-pull unit automatically approaches the automobile screen and inserts the test plug into the USB interface of the automobile screen.

[0017] Further, the test fixture further comprises a second clamping unit, the second clamping unit comprises second clamping blocks symmetrically arranged on both sides of the profiling groove along the width direction, and a clamping driving member for driving the two second clamping blocks to approach or move away from each other.

[0018] In order to further ensure the stability of the automobile screen in the profiling groove, the second clamping unit is arranged to further limit the automobile screen from both sides of the width direction, and also avoid that the automobile screen has a large displacement deviation in the width direction after being placed in the profiling groove, which causes the test plug to be unable to be inserted into the USB interface of the automobile screen.

[0019] Further, the rotating mechanism comprises a first support and a first driving unit for driving the first support to rotate around the z-axis, and the first driving unit is arranged on the rack.

[0020] The first driving unit adopts a driving motor, the output end of which is connected with the first support, during the test, the first driving unit drives the first support to rotate forward and reverse around the z-axis according to the relevant instructions, and an inductive detection element is arranged to detect and upload the relevant data during the rotation.

[0021] Further, the rotating mechanism further comprises a second support rotatably arranged on the first support and a second driving unit for driving the second support to rotate around the x-axis, and the second driving unit is arranged on the first support.

[0022] The first support and the second support are both in U shape and have two support arms, the two support arms of the second support are rotatably arranged on the two support arms of the first support through bearing members, the second driving unit adopts a driving motor, the driving motor is fixed on one of the support arms of the first support, the output end of which is connected with the support arm of the second support, during the test, the second driving unit drives the second support to rotate forward and reverse around the x-axis according to the relevant instructions, and an inductive detection element is arranged to detect and upload the relevant data during the rotation.

[0023] Further, the rotating mechanism further comprises a third driving unit arranged on the second support, and the output end of the third driving unit is connected with the carrier plate.

[0024] The third driving unit adopts a driving motor, which is fixed on the bottom plate between the two supporting arms of the second support, and the output end is connected with the carrier plate; when testing, the second driving unit first drives the second support to rotate by 90 degrees, so that the third driving unit keeps along the y-axis direction, and then the third driving unit drives the carrier plate to rotate forward and reverse around the y-axis according to the relevant instructions, and the inductive detection element is arranged to detect and upload the relevant data during the rotation.

[0025] Compared with the prior art, the automobile screen sensor testing device has the advantages that:

[0026] The automobile screen sensor testing device is designed, the test fixture is locked and fixed on the rotating mechanism, and the automobile screen is fixed on the test fixture, so that the automobile screen is freely rotated around the x / y / z axis under the driving of the rotating mechanism, and the accelerometer sensor and the gyroscope sensor of the automobile screen are tested by cooperating with the related detection elements. In addition, in order to improve the die changing efficiency of the testing device, the test fixture and the carrier plate are provided with positioning structure and quick release structure, the test fixture is quickly positioned and placed by cooperating the positioning pin and the positioning groove when the test fixture is installed, the test fixture is quickly locked by cooperating the quick release knob and the quick release interface, so that the stable connection between the test fixture and the carrier plate is realized, the quick die changing of the testing device is realized, and the operation rate of the testing device is improved, and the testing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a structural schematic view of an automobile screen sensor testing device of an embodiment of the utility model.

[0028] Figure 2 It is a structural schematic view of a rotating mechanism of an embodiment of the utility model.

[0029] Figure 3 It is an assembly drawing of a test fixture and a carrier plate of an embodiment of the utility model.

[0030] Figure 4 It is a structural schematic view of a test fixture of an embodiment of the utility model.

[0031] Figure 5 It is a structural schematic view of a quick release knob of an embodiment of the utility model.

[0032] Illustrations: 1. Frame; 2. Rotating mechanism; 21. First support; 22. First drive unit; 23. Second support; 24. Second drive unit; 25. Carrier plate; 26. Third drive unit; 251. Positioning slot; 252. Quick-release interface; 253. Stepped hole; 3. Test fixture; 31. Positioning pin; 32. Quick-release knob; 33. Base; 34. Carrier plate; 35. Contouring groove; 36. First clamping unit; 37. Insertion and removal unit; 38. Second clamping unit; 321. Insertion post; 322. Rotary handle; 323. Rotary post; 381. Second clamping block; 382. Clamping drive component. Detailed Implementation

[0033] To facilitate understanding of this invention, a more comprehensive description will be provided below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of the invention. However, this invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0034] like Figures 1 to 5 As shown, this embodiment provides an automotive screen sensor testing device, including a frame 1, a rotating mechanism 2 mounted on the frame 1, and a testing fixture 3 mounted on the rotating mechanism 2. The rotating mechanism 2 has a carrier plate 25 for fixing the testing fixture 3. The carrier plate 25 includes a plurality of positioning slots 251 and a plurality of quick-release interfaces 252. The testing fixture 3 includes positioning pins 31 corresponding to the positioning slots 251 and quick-release knobs 32 corresponding to the quick-release interfaces 252 and capable of being screwed into the quick-release interfaces 252. The testing fixture 3 includes a base 33, and the positioning pins 31 and quick-release knobs 32 are mounted on the base 33 and symmetrically distributed along the central axis of the base 33 in the y-axis direction. The number of positioning pins 31 and quick-release knobs 32 is set according to the size of the base 33, but at least two are provided. In this embodiment, two positioning pins 31 and quick-release knobs 32 are provided, and the two positioning pins 31 and quick-release knobs 32 are symmetrically distributed along the central axis of the base in the y-axis direction, thereby ensuring the stability of the test fixture 3 fixed on the base 33. The quick-release knob 32 includes a plug-in post 321, a handle 322 located at one end of the plug-in post 321, and a screw-in post 323 located at the other end of the plug-in post 321. The screw-in post 323 is perpendicular to the plug-in post 321. During the docking process between the quick-release knob 32 and the quick-release interface 252, the plug-in post 321 and the screw-in post 323 are inserted into the quick-release interface 252. By rotating the handle 322, the screw-in post 323 is rotated 90 degrees, thereby achieving the screw-in fixation between the screw-in post 323 and the quick-release interface 252. The vehicle plate 25 is provided with a stepped hole 253, and a quick-release interface 252 is fixed in the stepped hole 253. The top surface of the quick-release interface 252 is flush with the top surface of the vehicle plate 25. The quick-release interface 252 is detachably fixed to the vehicle plate 25 by bolts. In case of failure or damage to the quick-release interface 252, it is easy to repair and replace, thus reducing the cost of use.

[0035] The automobile screen sensor testing device of the embodiment, by locking and fixing the testing fixture 3 on the rotating mechanism 2, then fixing the automobile screen on the testing fixture 3, realizing the free rotation of the automobile screen around the x / y / z axis under the driving of the rotating mechanism 2, cooperating with the related detection elements to realize the testing of the accelerometer sensor and the gyroscope sensor of the automobile screen. In addition, in order to improve the mold changing efficiency of the testing device 3, the testing fixture 3 and the carrier plate 25 are provided with positioning structure and quick release structure, when the testing fixture 3 is installed, through the cooperation of the positioning pin 31 and the positioning groove 251, the testing fixture 3 is quickly positioned and placed, through the cooperation of the quick release knob 32 and the quick release interface 252, the testing fixture 3 is quickly locked, thereby realizing the stable connection between the testing fixture 3 and the carrier plate 25, through the above design, the quick mold changing of the testing device is realized, thereby improving the operation rate of the testing device and improving the testing efficiency.

[0036] As shown in Figures 2 to 4 The testing fixture 3 also includes a carrier plate 34 provided on the base 33, and the carrier plate 34 is provided with a profiling groove 35 for fixing the automobile screen. The profiling groove 35 is designed according to the appearance size of the automobile screen, and when testing, the automobile screen is placed in the profiling groove 35 and clamped and fixed to keep stable. The testing fixture 3 also includes a first clamping unit 36 and a plug-in unit 37, and the first clamping unit 36 and the plug-in unit 37 are respectively arranged at both ends of the profiling groove 35 along the length direction. The first clamping unit 36 includes a sliding member provided on the carrier plate 34, a first clamping block mounted on the sliding member, and a spring, one end of the spring is fixed to the carrier plate 34, and the other end is fixed to the first clamping block. The sliding member can adopt a linear guide rail module, the linear guide rail module is mounted on the carrier plate 34, and the first clamping block is mounted on the linear guide rail module. In addition, a silica gel pad can be arranged on the end face of the first clamping block, which effectively prevents the first clamping block from scratching the automobile screen. The plug-in unit 37 includes a plug-in seat, a test plug provided on the plug-in seat, and a plug-in driving member for driving the plug-in seat to approach or move away from the automobile screen. The plug-in driving member adopts a driving cylinder, the plug-in seat is mounted on the output end of the driving cylinder, and the test plug is detachably mounted on the plug-in seat through screws, which is convenient for replacement when the test plug is damaged. The first clamping unit 36 is arranged at the end of the profiling plate, which tightly presses the automobile screen against the groove wall to realize the fixation of the automobile screen, and after the fixation is completed, the plug-in unit 37 automatically approaches the automobile screen and inserts the test plug into the USB interface of the automobile screen.

[0037] As shown in Figures 2 to 4As shown, the test fixture 3 also includes a second clamping unit 38, which includes second clamping blocks 381 symmetrically arranged on both sides of the profiling groove 35 in the width direction, and a clamping driving member 382 for driving the two second clamping blocks 381 to move towards or away from each other, the clamping driving member 382 being located below the carrier plate 34 and adopting a driving air cylinder. The two second clamping blocks 381 further limit the automobile screen from both sides of the automobile screen in the width direction, so as to avoid the automobile screen from being displaced too much in the width direction after being placed in the profiling groove 35, which causes the test plug to be unable to be inserted into the USB interface of the automobile screen. The end surface of the second clamping block 381 can also be provided with a silica gel pad to effectively prevent the second clamping block 381 from being scratched by contact with the automobile screen. The end surface of the second clamping block 381 facing the profiling groove 35 can be provided with a relief notch, and the side surface of the automobile screen is provided with power buttons, volume buttons and the like. The end surface of the second clamping block is provided with a relief notch to avoid interference between the second clamping block 381 and the buttons when the second clamping block 381 contacts the side surface of the automobile screen.

[0038] As shown in Figure 1 and Figure 2 The rotating mechanism 2 includes a first support 21, and a first driving unit 22 for driving the first support 21 to rotate around the z-axis, the first driving unit 22 being arranged on the rack 1. The first driving unit 22 adopts a driving motor, and the output end of the driving motor is connected with the first support 21. During testing, the first driving unit 22 drives the first support 21 to rotate forward and reverse around the z-axis according to relevant instructions, and an inductive detection element is arranged to detect and upload relevant data during rotation. The rotating mechanism 2 also includes a second support 23 rotatably arranged on the first support 21, and a second driving unit 24 for driving the second support 23 to rotate around the x-axis, the second driving unit 24 being arranged on the first support 21. The first support 21 and the second support 23 are both U-shaped and have two support arms. The two support arms of the second support 23 are rotatably arranged on the two support arms of the first support 21 through bearing members. The second driving unit 24 adopts a driving motor, and the driving motor is fixed on one of the support arms of the first support 21, and the output end of the driving motor is connected with the support arm of the second support 23. During testing, the second driving unit 24 drives the second support 23 to rotate forward and reverse around the x-axis according to relevant instructions, and an inductive detection element is arranged to detect and upload relevant data during rotation. The rotating mechanism 2 also includes a third driving unit 26 arranged on the second support 23, and the output end of the third driving unit 26 is connected with the carrier plate 25. The third driving unit 26 adopts a driving motor, and the driving motor is fixed on the bottom plate between the two support arms of the second support 23. During testing, the second driving unit 24 first drives the second support 23 to rotate by ninety degrees, so that the third driving unit 26 remains along the y-axis direction, and then the third driving unit 26 drives the carrier plate 25 to rotate forward and reverse around the y-axis according to relevant instructions, and an inductive detection element is arranged to detect and upload relevant data during rotation.

[0039] After the automobile screen is fixed on the test fixture 3, the simulation motion is carried out around the x / y / z axis through the rotating mechanism 2, the related data is measured by the detection element, and the server is uploaded for analysis, a plurality of motions and different rotating angles are repeated, various parameters of the accelerometer sensor and the gyroscope sensor of the automobile screen can be tested, and whether the product is qualified or not can be judged.

[0040] In the description of the present application, it should be understood that the terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0041] In addition, the terms "first", "second", and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0042] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An automotive windshield sensor testing apparatus, characterized by, The test fixture comprises a rack, a rotating mechanism arranged on the rack, and a test fixture arranged on the rotating mechanism; the rotating mechanism is provided with a carrier plate for fixing the test fixture, the carrier plate comprises a plurality of positioning grooves and a plurality of quick-release interfaces, the test fixture comprises a positioning pin corresponding to the positioning groove and a quick-release knob corresponding to the quick-release interface and rotatably connected with the quick-release interface.

2. The automotive screen sensor testing device of claim 1, wherein, The test fixture comprises a base, and the positioning pin and the quick-release knob are arranged on the base and symmetrically distributed along the middle axis of the base in the y-axis direction.

3. The automotive screen sensor testing device of claim 1, wherein, The quick-release knob comprises a plug-in column, a handle located at one end of the plug-in column, and a plug-in post located at the other end of the plug-in column, and the plug-in post is perpendicular to the plug-in column.

4. The automotive screen sensor testing device of claim 1, wherein, The carrier plate is provided with a stepped hole, the quick-release interface is fixed in the stepped hole, and the top surface of the quick-release interface is flush with the top surface of the carrier plate.

5. The automotive screen sensor testing device of claim 2, wherein, The test fixture further comprises a carrier plate arranged on the base, and the carrier plate is provided with a profiling groove for fixing the automobile screen.

6. The automotive screen sensor testing device of claim 5, wherein, The test fixture further comprises a first clamping unit and a plug-in unit, and the first clamping unit and the plug-in unit are arranged at two ends of the profiling groove in the length direction.

7. The automotive screen sensor testing device of claim 5, wherein, The test fixture further comprises a second clamping unit, and the second clamping unit comprises a second clamping block symmetrically arranged on both sides of the profiling groove in the width direction and a clamping driving member for driving the two second clamping blocks to move closer to or away from each other.

8. The automotive screen sensor testing device of claim 1, wherein, The rotating mechanism comprises a first support and a first driving unit for driving the first support to rotate around the z-axis, and the first driving unit is arranged on the rack.

9. The automotive screen sensor testing device of claim 8, wherein, The rotating mechanism further comprises a second support rotatably arranged on the first support and a second driving unit for driving the second support to rotate around the x-axis, and the second driving unit is arranged on the first support.

10. The automotive screen sensor testing device of claim 9, wherein, The rotating mechanism further comprises a third driving unit arranged on the second support, and the output end of the third driving unit is connected with the carrier plate.

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