Device and method for measuring hinge clearance of folding screen mobile phone

Abstract

The invention relates to the technical field of folding screen mobile phone hinge clearance measurement, in particular to folding screen mobile phone hinge clearance measurement equipment and a measurement method. A hinge clearance measuring device for a folding screen mobile phone comprises a fixing clamp device, a measuring device and a control device. The fixing clamp devices clamp a first display screen of the folding screen mobile phone, the two fixing clamp devices are arranged in the Y-axis direction, and the clamping direction forms an angle of 90 degrees. Two measuring devices are oppositely arranged, and each measuring device comprises a push-pull mechanism and a detection mechanism. The push-pull mechanism comprises a telescopic assembly and a force application piece, the telescopic assembly drives the force application piece and the detection mechanism to move synchronously, and the detection mechanism receives moving distance information of the second display screen and acting force information of the force application piece. The control device controls the measuring device to act, receives and calculates the moving distance information and the acting force information, and obtains a hinge vacancy result. The hinge clearance measuring equipment for the folding screen mobile phone has the advantages that the measured clearance result is accurate, and the measured data is comprehensive.

Description

Technical Field

[0001] The present invention relates to the technical field of virtual position measurement of hinges of folding screen mobile phones, and in particular to a virtual position measurement device and a method for measuring the virtual position of hinges of folding screen mobile phones. Background Art

[0002] Nowadays, foldable screen mobile phones are widely favored by users, and all manufacturers are committed to the development of foldable screen mobile phones. The biggest structural problem of foldable screen mobile phones is the quality of the two hinges connecting the two screens. When the phone is flipped, the misalignment between the two screens not only affects the appearance of the phone, but also has a great impact on the use of the phone, and even affects the service life of the phone. For example, it is easy to cause problems such as screen creases, dustproof performance, and the thinness of the phone. Therefore, all manufacturers attach great importance to the quality of the hinges.

[0003] The inspection of the hinge of a folding screen mobile phone has become a must-check for all manufacturers before the mobile phone leaves the factory, and it is an important inspection item. Each manufacturer has different inspection methods and inspection items according to the situation of its own hinge. For example, the Chinese utility model patent with the publication number CN217563675U involves the technical field of folding mobile phone testing equipment, and specifically discloses a folding mobile phone rubbing amount tester, including a work box, a support table and a fixed frame connected to the top of the work box, and a testing mechanism is installed on the top of the support table; a lifting frame is provided on the side of the fixed frame close to the support table, and a height adjustment mechanism is provided on the fixed frame; a fixed table is provided on the top of the lifting frame, and two sets of sample fixtures are provided on the top of the fixed table, and an adjustment mechanism is provided on the fixed table; a Y-direction adjustment mechanism is provided on the lifting frame; the testing mechanism includes a guide seat and a moving seat slidably installed on the guide seat, an X-direction adjustment mechanism is provided on the top of the support table, and a force sensor and a micrometer are provided on the side of the moving seat close to the sample fixture, and a push rod is installed on the force sensor. The equipment of this patent can only test the virtual position of the hinge from one direction. Generally, when a force is applied to a mobile phone from two directions, the hinge has different virtual position results, so the device cannot detect the accurate hinge virtual position. In addition, the force applied by the device is pressure, but the hinge virtual positions generated by pressure and tension when the two screens of the mobile phone are opened are also different. Therefore, the virtual position results detected by the device of this patent are inaccurate and the detection data is incomplete. Summary of the invention

[0004] In view of this, the present invention aims to provide a folding screen mobile phone hinge virtual position measurement device and measurement method, which applies force to the second display screen from two directions, and measures the hinge virtual position result by integrating the displacement data of the second display screen in two directions. The test adopts postures at multiple angles for detection, and a pulling fixture device connected to the force-applying member is provided to perform a pulling test on the mobile phone, thereby solving the problems of inaccurate virtual position measurement results and incomplete measurement data.

[0005] In order to solve the above problems, the present invention provides a folding screen mobile phone hinge virtual position measurement device, comprising:

[0006] A fixed clamp device, clamping the first display screen of the folding screen mobile phone, wherein two fixed clamp devices are arranged along the Y-axis direction, and the clamping directions of the two fixed clamp devices are at a 90° angle;

[0007] A measuring device, wherein two measuring devices are arranged opposite to each other on both sides of the two fixing fixture devices, and the measuring device comprises:

[0008] The push-pull mechanism comprises a telescopic assembly and a force-applying member connected to each other, wherein the telescopic assembly can move along the X-axis, the Y-axis and the Z-axis, and the force-applying member is driven by the telescopic assembly to telescopically move relative to the fixed fixture device, and the force-applying member is detachably abutted against the second display screen of the mobile phone;

[0009] A detection mechanism moves synchronously with the force applying member to receive movement distance information of the second display screen of the mobile phone and force information applied by the force applying member to the second display screen;

[0010] The control device controls the action of the measuring device, receives and calculates the moving distance information and the force information, and obtains the hinge virtual position result.

[0011] Furthermore, the telescopic assembly includes a motor, a screw and a spiral group, the screw is connected to the main shaft of the motor, the spiral group includes a nut and a connecting piece connected to the nut, the nut is threadedly connected to the screw, and the connecting piece is connected to the force-applying piece.

[0012] Further, the detection mechanism includes a pressure sensor and a displacement sensor;

[0013] The connecting member and the force applying member are connected via the pressure sensor;

[0014] The displacement sensor is connected to the connecting member.

[0015] Furthermore, the folding screen mobile phone hinge virtual position measurement device also includes:

[0016] Drawing fixture device, comprising:

[0017] Pulling out the clamping mechanism to clamp the second display screen;

[0018] The pulling piece has one end in a hook shape and is detachably hooked with the pulling clamping mechanism, and the other end is detachably connected with the force applying piece.

[0019] Furthermore, the pulling and clamping mechanism includes a connecting frame assembly and two clamping assemblies connected to the connecting frame;

[0020] The connecting frame comprises two connecting plates arranged opposite to each other, the two ends of the two connecting plates are respectively connected by a connecting rod, and the pulling member is hooked and connected to one of the connecting rods;

[0021] Both of the two connecting plates can slide along the connecting rod, and the connecting plates are fixed on the connecting rod by a fixing member;

[0022] The distance between the two clamping assemblies is adjustable.

[0023] Furthermore, the force-applying member is columnar, and an annular groove is provided on the outer periphery of the other end of the force-applying member relative to the end connected to the connecting member;

[0024] An insertion hole matched with the force applying member is arranged at the other end of the pulling member relative to the hook-shaped end, and a fixing column matched with the annular groove is arranged in the insertion hole, and the fixing column is retractable.

[0025] Furthermore, the fixing fixture device comprises a clamping seat and a fixing clamping mechanism fixed on the clamping seat;

[0026] The clamping mechanism comprises two clamping members, at least one of which is movable relative to the other clamping member.

[0027] A method for measuring the virtual position of a hinge of a folding screen mobile phone, characterized in that the virtual position of the hinge of the folding screen mobile phone is measured by the measuring device as described above, and the measuring method comprises:

[0028] S100, bending the first display screen and the second display screen of the foldable screen mobile phone into a posture with a preset angle, clamping the first display screen by a clamping mechanism, and starting the control device;

[0029] S200, controlling the movement of the measuring devices on both sides by the control device so that the force-applying member of the measuring device on the first side and the displacement sensor of the measuring device on the second side are located in the same straight line position in the X-axis direction, and the side wall of the second display screen is pushed by the force-applying member of the measuring device on the first side;

[0030] S300, measuring first displacement information of the second display screen by using a displacement sensor of the first side measuring device, measuring first force information applied by a force applying member of the first side measuring device by using a pressure sensor of the first side measuring device, and measuring second displacement information of the second display screen by using a displacement sensor of the second side measuring device;

[0031] S400, transmitting the first displacement information, the second displacement information and the first force information to the control device, and calculating the first moving distance of the second display screen under the preset pressure;

[0032] S500, the control device controls the force-applying member of the first side measuring device to return to the initial position, controls the displacement sensor of the first side measuring device to move to the same straight line position as the force-applying member of the second side measuring device on the X-axis, and controls the force-applying member of the second side measuring device to push the side wall of the second display screen;

[0033] S600, measuring third displacement information of the second display screen by using the displacement sensor of the second side measuring device, measuring second force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device, and measuring fourth displacement information of the second display screen by using the displacement sensor of the first side measuring device;

[0034] S700, transmitting the third displacement information, the fourth displacement information and the second force information to the control device, calculating the second movement distance of the second display screen under the preset pressure, and combining the first movement distance of step S400 to obtain the hinge virtual position result of the folding screen mobile phone;

[0035] S800, change the posture of the foldable screen mobile phone, re-clamp the first display screen, and repeat steps S100-S700.

[0036] Furthermore, the postures of foldable screen mobile phones include:

[0037] Unfolded posture: the first display screen and the second display screen are fully opened, forming a 180° angle;

[0038] Vertical posture: the first display screen and the second display screen form a 90° angle;

[0039] Overlapping posture: The first display screen and the second display screen overlap at an angle of 0°. The overlapping posture includes:

[0040] First coincidence posture: the hinge extends along the X axis;

[0041] Second coincidence posture: the hinge extends along the Y axis.

[0042] Furthermore, the test of the foldable screen mobile phone in the unfolded posture also includes:

[0043] S900, applying tension to the second display screen to measure the hinge virtual position, including:

[0044] S910, rotate the mobile phone 90° around the Z axis so that the hinge extends along the Y axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the first side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device;

[0045] S920, measuring fifth displacement information of the second display screen by using the displacement sensor of the first-side measuring device, and measuring third force information applied by the force applying member of the first-side measuring device by using the pressure sensor of the first-side measuring device;

[0046] S930, transmitting the fifth displacement information and the third force information to the control device, and calculating a third moving distance of the second display screen under a preset pressure;

[0047] S940, rotate the foldable screen mobile phone 180° around the Z axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the second side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device;

[0048] S950, measuring sixth displacement information of the second display screen by using the displacement sensor of the second side measuring device, and measuring fourth force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device;

[0049] S960, transmitting the sixth displacement information and the fourth force information to the control device, calculating the fourth movement distance of the second display screen under the preset pressure, and combining the third movement distance of step S930 to obtain the hinge virtual position result of the folding screen mobile phone.

[0050] Compared with the prior art, the folding screen mobile phone hinge virtual position measurement device and measurement method described in the present invention have the following advantages:

[0051] The advantage of this technical solution is that it applies forces to the second display screen from two directions, and measures the hinge virtual position results by integrating the displacement data of the second display screen in two directions. The test is carried out at various angles, and a pulling fixture device connected to the force-applying member is provided to perform a pulling test on the mobile phone. The measured virtual position results are accurate and the measured data is comprehensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] Figure 1 A perspective view of a measuring device according to an embodiment of the present invention;

[0053] Figure 2 A three-dimensional diagram of a measuring device according to an embodiment of the present invention;

[0054] Figure 3 It is a three-dimensional diagram of a drawing fixture device according to an embodiment of the present invention.

[0055] Description of reference numerals:

[0056] 100-fixed clamp device, 200-measuring device, 210-push-pull mechanism, 211-force applying member, 212-telescopic assembly, 220-detection mechanism, 221-displacement sensor, 222-pressure sensor, 300-control device, 400-pulling clamp device, 410-pulling member, 420-pulling clamping mechanism, 421-clamping assembly, 4211-clamping plate, 4212-stud, 4213-guide rod, 422-connecting frame assembly, 4221-side plate, 4222-connecting rod, 4223-fixing member. DETAILED DESCRIPTION

[0057] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0058] In the present invention, the descriptions involving "first", "second", "upper", "lower", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", "upper", "lower" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in the field to implement. When the technical solutions between the embodiments can be combined, they are all within the protection scope required by the present invention.

[0059] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0060] like Figure 1 As shown, a folding screen mobile phone hinge virtual position measuring device includes: a fixing fixture device 100, a measuring device 200 and a control device 300. The fixing fixture device 100 clamps the first display screen of the folding screen mobile phone, and two fixing fixture devices 100 are arranged along the Y-axis direction, and the clamping directions of the two fixing fixture devices 100 are at a 90° angle. Two measuring devices 200 are arranged on both sides of the two fixing fixture devices 100, such as Figure 2As shown, the measuring device 200 includes: a push-pull mechanism 210 and a detection mechanism 220. The push-pull mechanism 210 includes a telescopic component 212 and a force-applying member 211 that are interconnected. The telescopic component 212 can move along the X-axis, the Y-axis and the Z-axis. The telescopic component 212 drives the force-applying member 211 to telescopically move relative to the fixing fixture device 100, and the force-applying member 211 is detachably abutted against the second display screen of the mobile phone. The detection mechanism 220 moves synchronously with the force-applying member 211, receives the movement distance information of the second display screen of the mobile phone and the force information applied by the force-applying member 211 to the second display screen. The control device 300 controls the movement of the measuring device 200, receives and calculates the movement distance information and the force information, and obtains the hinge virtual position result.

[0061] The clamping directions of the two fixed fixtures 100 are 90°, so that measurement in two directions can be achieved. The push-pull assembly drives the force applying member 211 to move, and applies force to the folding screen mobile phone. The telescopic assembly 212 moves along the X-axis, Y-axis and Z-axis. Figure 1 As shown, the measuring device 200 includes a Y-axis slide rail mechanism fixed on a workbench for moving along the Y-axis, a Z-axis slide rail mechanism for moving along the Z-axis, and an X-axis moving mechanism for moving along the X-axis. The mechanisms moving along the directions can use the same mechanism or different mechanisms. For example, in this embodiment, the X-axis moving mechanism is a moving mechanism of a nut screw transmission mechanism in conjunction with a crawler track, and the other two directions are moving mechanisms of a nut screw transmission mechanism in conjunction with a slide rail. The nut screw transmission mechanism can also be an electric push rod, a hydraulic mechanism, etc. When the same force is applied on both sides of the hinge, there are different virtual positions of the hinge. Therefore, a measuring device 200 is set on each side of the fixed fixture device 100, so that the moving distance of the second display screen can be measured from two directions, and the virtual position result of the hinge can be calculated by combining the two moving distances.

[0062] By using the measuring device of the above structure, the virtual position measurement result is accurate and the measured data is comprehensive.

[0063] Furthermore, the telescopic assembly 212 includes a motor, a screw and a spiral group, the screw is connected to the main shaft of the motor, the spiral group includes a nut and a connecting piece connected to the nut, the nut is threadedly connected to the screw, and the connecting piece is connected to the force-applying member 211.

[0064] After the measuring device is moved to the measuring position by the X-axis moving mechanism, the Y-axis sliding mechanism and the Z-axis sliding mechanism, the motor is started and the force applying member 211 is driven to move toward the second display screen through the screw nut assembly mechanism to apply force to the second display screen.

[0065] Furthermore, the detection mechanism 220 includes a pressure sensor 222 and a displacement sensor 221. The connecting member and the force applying member 211 are connected via the pressure sensor 222. The displacement sensor 221 is connected to the connecting member.

[0066] The displacement sensor 221 and the force member 211 are both mounted on the connecting member and can move synchronously. The moving distance of the second display screen measured by the displacement sensor 221 is the moving distance of the second display screen pushed by the force member 211. The force applied by the force member 211 to the second display screen is different, and the moving distance is also different. Therefore, by receiving the force through the pressure sensor 222, the virtual position of the hinge under the action of different driving forces can be truly reflected.

[0067] Furthermore, the folding screen mobile phone hinge virtual position measuring device further includes: a pulling fixture device 400, including: a pulling clamping mechanism 420 and a pulling member 410. The second display screen is clamped by the pulling clamping mechanism 420. One end of the pulling member 410 is hook-shaped and detachably connected to the pulling clamping mechanism 420, and the other end is detachably connected to the force applying member 211.

[0068] A pulling force is applied to the second display screen by a pulling fixture, and the virtual position under the action of the pulling force is calculated.

[0069] Further, such as Figure 3 As shown, the pulling and clamping mechanism 420 includes a connecting frame assembly 422 and two clamping assemblies 421 connected to the connecting frame assembly 422. The connecting frame assembly 422 includes two connecting plates arranged opposite to each other, and the two ends of the two connecting plates are respectively connected by a connecting rod 4222, and the pulling member 410 is hooked and connected with one of the connecting rods 4222. Both of the two connecting plates can slide along the connecting rod 4222, and the connecting plates are fixed to the connecting rod 4222 by a fixing member 4223. The distance between the two clamping assemblies 421 is adjustable.

[0070] As an embodiment, the pulling clamp device 400 also clamps from the two side walls of the second display screen. The clamping assembly 421 includes two clamping plates 4211, and the two clamping plates 4211 are connected to the side plates 4221 on the two opposite sides of the connecting frame assembly 422. Threaded holes are provided on the two side plates 4221, and the clamping plates 4211 are threadedly connected to the side plates 4221 through studs 4212. One end of the stud 4212 is rotatably fixedly connected to the clamping plate 4211, and the other end is fixed by a nut after passing through the side plate 4221. A guide rod 4213 is also provided on the clamping plate 4211, and the guide rod 4213 can slide through the side plate 4221. Two guide rods 4213 are provided, which are respectively located on both sides of the stud 4212 and are symmetrically arranged relative to the stud 4212. When the clamping plate 4211 is adjusted, the guide rod 4213 is used to ensure that the clamping plate 4211 always moves parallel to the side plate 4221. The two side panels 4221 are connected by a connecting rod 4222, and the two side panels 4221 can slide on the connecting rod 4222. After the position of the side panels 4221 is adjusted, they are fixed by the fixing member 4223. When clamping, first adjust the distance L between the two side panels 4221 so that L is slightly smaller than the width W of the second display screen, and then adjust the position of at least one clamping plate 4211 so that the two clamping plates 4211 can tightly clamp the two side walls of the second display screen. The pulling member 410 is installed on the force member 211, and the mobile measuring device 200 extends the force member 211 so that the hook-shaped end is hooked to the outer connecting rod 4222, and the motor is started to move the force member 211 in the direction away from the folding screen mobile phone, and the force member 211 applies a pulling force to the second display screen.

[0071] Furthermore, the force-applying member 211 is columnar, and an annular groove is provided on the outer periphery of the other end of the force-applying member 211 relative to the end connected to the connecting member. An insertion hole matching the force-applying member 211 is provided at the other end of the puller 410 relative to the hook-shaped end, and a fixing column matching the annular groove is provided in the insertion hole, and the fixing column is retractable.

[0072] As an embodiment, the connection between the pulling member 410 and the force applying member 211 can be achieved by a clamping method. After the force applying member 211 is inserted into the insertion hole, the fixing column is clamped in the annular groove to achieve the connection between the pulling member 410 and the force applying member 211.

[0073] Furthermore, the fixing fixture device 100 comprises a clamping seat and a fixing clamping mechanism fixed on the clamping seat. The fixing clamping mechanism comprises two clamping members, at least one of which is movable relative to the other clamping member.

[0074] The movement of the clamping member can be driven by a nut and screw transmission mechanism, by a motor, or manually.

[0075] As another embodiment, a fixing clamp device 100 can be provided, a motor is provided in the clamping seat, the clamping mechanism is provided with a base plate, the base plate is connected to the motor main shaft, and the clamping mechanism is rotated by the motor to realize that the force-applying member 211 applies force to the side walls and end side walls on both sides of the second display screen.

[0076] A method for measuring the virtual position of a hinge of a folding screen mobile phone, characterized in that the virtual position of the hinge of the folding screen mobile phone is measured by the measuring device as described above, and the measuring method comprises:

[0077] S100, bending the first display screen and the second display screen of the foldable screen mobile phone into a posture with a preset angle, clamping the first display screen by a clamping mechanism, and starting the control device;

[0078] S200, controlling the movement of the measuring devices on both sides by the control device so that the force-applying member of the measuring device on the first side and the displacement sensor of the measuring device on the second side are located in the same straight line position in the X-axis direction, and the side wall of the second display screen is pushed by the force-applying member of the measuring device on the first side;

[0079] S300, measuring first displacement information of the second display screen by using a displacement sensor of the first side measuring device, measuring first force information applied by a force applying member of the first side measuring device by using a pressure sensor of the first side measuring device, and measuring second displacement information of the second display screen by using a displacement sensor of the second side measuring device;

[0080] S400, transmitting the first displacement information, the second displacement information and the first force information to the control device, and calculating the first moving distance of the second display screen under the preset pressure;

[0081] S500, the control device controls the force-applying member of the first side measuring device to return to the initial position, controls the displacement sensor of the first side measuring device to move to the same straight line position as the force-applying member of the second side measuring device on the X-axis, and controls the force-applying member of the second side measuring device to push the side wall of the second display screen;

[0082] S600, measuring third displacement information of the second display screen by using the displacement sensor of the second side measuring device, measuring second force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device, and measuring fourth displacement information of the second display screen by using the displacement sensor of the first side measuring device;

[0083] S700, transmitting the third displacement information, the fourth displacement information and the second force information to the control device, calculating the second movement distance of the second display screen under the preset pressure, and combining the first movement distance of step S400 to obtain the hinge virtual position result of the folding screen mobile phone;

[0084] S800, change the posture of the foldable screen mobile phone, re-clamp the first display screen, and repeat steps S100-S700.

[0085] During measurement, the mobile phone is bent into a preset angle, the first display screen is clamped by the clamping mechanism of the fixed clamp device, and the second display screen extends out of the clamping mechanism, so that the force-applying member can apply force to the second display screen. The control device controls the movement of the measuring devices on both sides, so that the force-applying member on the first side and the displacement sensor on the second side are located in the same straight line position in the X-axis direction, so that the displacement sensor on the second side can accurately measure the displacement of the position where the force is applied. At the same time, the displacement sensor on the first side measures the displacement of the second display screen on the first side, and the measured displacement and pressure values ​​on both sides are transmitted to the control device for calculation. At this point, the process of measuring the displacement on the first side is completed. Then the same method is used to measure the displacement on the second side, and the virtual position of the hinge is obtained through the results of the measurements on both sides, so as to avoid the problem of inaccurate measurement results caused by different displacements of the force applied on both sides. After one posture measurement is completed, the posture of the first display screen and the second display screen is changed, and the virtual position of the hinge is measured in the same way to avoid the problem of different virtual positions due to different postures.

[0086] Furthermore, the postures of foldable screen mobile phones include:

[0087] Unfolded posture: the first display screen and the second display screen are fully opened, forming a 180° angle;

[0088] Vertical posture: the first display screen and the second display screen form a 90° angle;

[0089] Overlapping posture: The first display screen and the second display screen overlap at an angle of 0°. The overlapping posture includes:

[0090] First coincidence posture: the hinge extends along the X axis;

[0091] Second coincidence posture: the hinge extends along the Y axis.

[0092] During measurement, multi-angle measurements can be performed as required. Preferably, the virtual position at the angles of 0°, 90° and 180° is measured. In addition, in the overlapped posture, the mobile phone can be rotated 90° for measurement, that is, force is applied to the two side walls of the second display screen for measurement, and then force is applied to the end of the second display screen for measurement. When switching from the first overlapped posture to the second overlapped posture, the mobile phone is disassembled from the fixed clamp device clamped along the X-axis, and then clamped and measured by the fixed support device clamped along the Y-axis.

[0093] The above measurements are all measurements of applying pressure to the second display screen. When a tensile force is applied to the first display screen and the second display screen, the hinge also has a virtual position change.

[0094] Furthermore, the test of the foldable screen mobile phone in the unfolded posture also includes:

[0095] S900, applying tension to the second display screen to measure the hinge virtual position, including:

[0096] S910, rotate the mobile phone 90° around the Z axis so that the hinge extends along the Y axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the first side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device;

[0097] S920, measuring fifth displacement information of the second display screen by using the displacement sensor of the first-side measuring device, and measuring third force information applied by the force applying member of the first-side measuring device by using the pressure sensor of the first-side measuring device;

[0098] S930, transmitting the fifth displacement information and the third force information to the control device, and calculating a third moving distance of the second display screen under a preset pressure;

[0099] S940, rotate the foldable screen mobile phone 180° around the Z axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the second side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device;

[0100] S950, measuring sixth displacement information of the second display screen by using the displacement sensor of the second side measuring device, and measuring fourth force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device;

[0101] S960, transmitting the sixth displacement information and the fourth force information to the control device, calculating the fourth movement distance of the second display screen under the preset pressure, and combining the third movement distance of step S930 to obtain the hinge virtual position result of the folding screen mobile phone.

[0102] The measurement in step S900 realizes the measurement of the virtual position of the hinge of the folding screen mobile phone that applies tension in the unfolded posture. Further, the measurement of the virtual position of the hinge of the mobile phone in various postures is realized, and more comprehensive data is obtained.

[0103] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A folding screen mobile phone hinge virtual position measurement device, characterized in that: include: A fixed clamp device (100) for clamping a first display screen of a folding screen mobile phone, wherein two fixed clamp devices (100) are arranged along the Y-axis direction, and the clamping directions of the two fixed clamp devices (100) form an angle of 90°; A measuring device (200), wherein two measuring devices (200) are arranged opposite to each other on both sides of the two fixing fixture devices (100), and the measuring device (200) comprises: The push-pull mechanism (210) comprises a telescopic component (212) and a force-applying member (211) connected to each other, wherein the telescopic component (212) can move along the X-axis, the Y-axis and the Z-axis, and the force-applying member (211) is driven by the telescopic component (212) to telescopically move relative to the fixing fixture device (100), and the force-applying member (211) is detachably abutted against the second display screen of the mobile phone; A detection mechanism (220) moves synchronously with the force applying member (211) to receive information on the movement distance of the second display screen of the mobile phone and information on the force applied by the force applying member (211) to the second display screen; The control device (300) controls the movement of the measuring device (200), receives and calculates the moving distance information and the force information, and obtains the hinge virtual position result.

2. The folding screen mobile phone hinge virtual position measurement device according to claim 1 is characterized in that: The telescopic assembly (212) comprises a motor, a screw and a screw group, the screw is connected to the main shaft of the motor, the screw group comprises a nut and a connecting piece connected to the nut, the nut is threadedly connected to the screw, and the connecting piece is connected to the force applying piece (211).

3. The folding screen mobile phone hinge virtual position measurement device according to claim 2 is characterized in that: The detection mechanism (220) comprises a pressure sensor (222) and a displacement sensor (221); The connecting member and the force applying member (211) are connected via the pressure sensor (222); The displacement sensor (221) is connected to the connecting member.

4. The folding screen mobile phone hinge virtual position measurement device according to claim 3 is characterized in that: Also includes: A drawing fixture device (400) comprises: A pulling and clamping mechanism (420) is used to clamp the second display screen; The pulling member (410) has one end in a hook shape and is detachably hooked with the pulling clamping mechanism (420), and the other end is detachably connected with the force applying member (211).

5. The folding screen mobile phone hinge virtual position measurement device according to claim 4 is characterized in that: The pulling and clamping mechanism (420) comprises a connecting frame assembly (422) and two clamping assemblies (421) connected to the connecting frame; The connecting frame assembly (422) comprises two connecting plates arranged opposite to each other, and the two ends of the two connecting plates are respectively connected by a connecting rod (4222), and the pulling member (410) is hooked and connected to one of the connecting rods (4222); Both of the two connecting plates can slide along the connecting rod (4222), and the connecting plates are fixed on the connecting rod (4222) by means of a fixing member (4223); The distance between the two clamping assemblies (421) is adjustable.

6. The folding screen mobile phone hinge virtual position measurement device according to claim 5, characterized in that: The force applying member (211) is columnar, and an annular groove is provided on the outer periphery of the other end of the force applying member (211) relative to the end connected to the connecting member; An insertion hole matched with the force applying member (211) is provided at the other end of the pulling member (410) relative to the hook-shaped end, and a fixing column matched with the annular groove is provided in the insertion hole, and the fixing column is retractable.

7. The folding screen mobile phone hinge virtual position measurement device according to claim 1, characterized in that: The fixing clamp device (100) comprises a clamping seat and a fixing clamping mechanism fixed on the clamping seat; The fixed clamping mechanism comprises two clamping members, at least one of which is movable relative to the other clamping member.

8. A method for measuring the virtual position of a hinge of a folding screen mobile phone, characterized in that: The virtual position of the hinge of the folding screen mobile phone is measured by the measuring device according to any one of claims 1 to 7, and the measuring method comprises: S100, bending the first display screen and the second display screen of the foldable screen mobile phone into a posture with a preset angle, clamping the first display screen by a clamping mechanism, and starting the control device; S200, controlling the movement of the measuring devices on both sides by the control device so that the force-applying member of the measuring device on the first side and the displacement sensor of the measuring device on the second side are located in the same straight line position in the X-axis direction, and the side wall of the second display screen is pushed by the force-applying member of the measuring device on the first side; S300, measuring first displacement information of the second display screen by using a displacement sensor of the first side measuring device, measuring first force information applied by a force applying member of the first side measuring device by using a pressure sensor of the first side measuring device, and measuring second displacement information of the second display screen by using a displacement sensor of the second side measuring device; S400, transmitting the first displacement information, the second displacement information and the first force information to the control device, and calculating the first moving distance of the second display screen under the preset pressure; S500, the control device controls the force-applying member of the first side measuring device to return to the initial position, controls the displacement sensor of the first side measuring device to move to a position on the same straight line as the force-applying member of the second side measuring device on the X-axis, and controls the force-applying member of the second side measuring device to push the side wall of the second display screen; S600, measuring third displacement information of the second display screen by using the displacement sensor of the second side measuring device, measuring second force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device, and measuring fourth displacement information of the second display screen by using the displacement sensor of the first side measuring device; S700, transmitting the third displacement information, the fourth displacement information and the second force information to the control device, calculating the second movement distance of the second display screen under the preset pressure, and combining the first movement distance of step S400 to obtain the hinge virtual position result of the folding screen mobile phone; S800, change the posture of the foldable screen mobile phone, re-clamp the first display screen, and repeat steps S100-S700.

9. The method for measuring the virtual position of the hinge of a folding screen mobile phone according to claim 8, characterized in that: The postures of foldable screen phones include: Unfolded posture: the first display screen and the second display screen are fully opened, forming a 180° angle; Vertical posture: the first display screen and the second display screen form a 90° angle; Overlapping posture: The first display screen and the second display screen overlap at an angle of 0°. The overlapping posture includes: First coincidence posture: the hinge extends along the X axis; Second coincidence posture: the hinge extends along the Y axis.

10. The method for measuring the virtual position of the hinge of a folding screen mobile phone according to claim 9, characterized in that: The tests of foldable screen phones in the unfolded posture also include: S900, applying tension to the second display screen to measure the hinge virtual position, including: S910, rotate the mobile phone 90° around the Z axis so that the hinge extends along the Y axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the first side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device; S920, measuring fifth displacement information of the second display screen by using the displacement sensor of the first-side measuring device, and measuring third force information applied by the force applying member of the first-side measuring device by using the pressure sensor of the first-side measuring device; S930, transmitting the fifth displacement information and the third force information to the control device, and calculating a third moving distance of the second display screen under a preset pressure; S940, rotate the foldable screen mobile phone 180° around the Z axis, clamp the first display screen by the clamping mechanism, clamp the second display screen by the pulling clamping mechanism, install the pulling member on the force applying member of the second side measuring device, connect the pulling clamping mechanism by the hook end of the pulling member, and start the control device; S950, measuring sixth displacement information of the second display screen by using the displacement sensor of the second side measuring device, and measuring fourth force information applied by the force applying member of the second side measuring device by using the pressure sensor of the second side measuring device; S960, transmitting the sixth displacement information and the fourth force information to the control device, calculating the fourth movement distance of the second display screen under the preset pressure, and combining the third movement distance of step S930 to obtain the hinge virtual position result of the folding screen mobile phone.

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