Headphone deformation simulation detection equipment

Abstract

The present invention aims to provide a headset deformation simulation detection device with a wide range of simulated bending tests and capable of positioning compensation for earmuff expansion. The present invention comprises a frame, on which a connecting rod fixing module and two sets of earmuff deformation driving modules are arranged, respectively, on both sides of the connecting rod fixing module, and the earmuff deformation driving assembly comprises a floating external pulling module, a front and rear deformation module, a fixed axis rotation module and an earmuff stopper connected in sequence, wherein a test data line is arranged on the fixed axis rotation module of one set of earmuff deformation driving assemblies, the floating external pulling module drives the earmuff stopper to adjust the pitch angle and displacement, the front and rear deformation module drives the earmuff stopper to displace along the movement direction perpendicular to the floating external pulling module, the fixed axis rotation module drives the earmuff stopper to rotate along the fixed axis, and the test data line is connected to the headphone interface. The present invention is applied to the technical field of deformation testing equipment.

Description

Technical Field

[0001] The present invention is applied to the technical field of deformation testing equipment, and in particular relates to a headphone deformation simulation detection device. Background Art

[0002] Headphones, as the name implies, are worn on the head, not inserted into the ear canal, and are different from in-ear earplugs. They are composed of two parts, a signal transmitter and headphones with signal receiving and amplifying devices. The transmitter is connected to the signal source, and a preamplifier or headphone amplifier can also be connected in front of the transmitter to improve the sound quality and adjust the timbre. It has the advantages of good sound field, very good sound quality, good comfort, no ear, avoid scratching the ear canal, and better protect the eardrum.

[0003] In order to ensure the performance and quality of headphone products, relevant performance tests need to be carried out before leaving the factory. The headphone testing equipment on the market mainly tests the sound quality and wearing comfort. For example, the Chinese patent with publication number CN210274534U discloses a headphone expansion tester, which aims to provide a device that can test the expansion distance and expansion force of the headphone to determine its adaptability to different groups of people and the corresponding wearing comfort. For example, the Chinese patent with publication number CN205902079U discloses an audio test tool for headphones, which aims to provide an audio test tool that can well position the earmuffs of the headphone and avoid the extrusion and deformation of the earmuff foam, resulting in poor consistency in test results.

[0004] Both of the above technical solutions are aimed at testing the sound quality and wearing comfort. In the actual application scenarios of headphones, headphones are often bent and stretched. At the same time, in order to facilitate storage, the existing new headphones usually make the earmuffs into a rotatable structure, so that the earmuffs can be rotated to the same plane as the ear straps when stored, and flat storage is more convenient. Since the communication harness needs to pass through the joint structure and the ear straps to connect the sound units in the left and right earmuffs, and the above actions may cause the communication harness to fail, the traditional test device cannot detect the communication performance in this case. There is a Chinese patent with a publication number of CN108882138A, which discloses a headphone test robot for embedded computers, which can realize the preliminary bending test of headphones, but can only adapt to the two bending modes of expansion and contraction, and cannot adapt to the rotatable earmuff structure and deformation tests of more postures, nor can it compensate for the positioning of the headphones when they are expanded. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a headphone deformation simulation detection device which has a wide simulated bending test range and can perform positioning compensation when the earmuff is expanded.

[0006] The technical solution adopted by the present invention is: the present invention includes a frame, on which a connecting rod fixing module and two groups of earmuff deformation driving modules are arranged, the two groups of earmuff deformation driving modules are respectively arranged on both sides of the connecting rod fixing module, the earmuff deformation driving component includes a floating outward pulling module, a front and rear deformation module, a fixed-axis rotation module and an earmuff limiting piece connected in sequence, a test data line is arranged on the fixed-axis rotation module of one group of the earmuff deformation driving components, the floating outward pulling module drives the earmuff limiting piece to adjust the pitch angle and displacement, the front and rear deformation module drives the earmuff limiting piece to displace along a movement direction perpendicular to the floating outward pulling module, the fixed-axis rotation module drives the earmuff limiting piece to rotate along a fixed axis, and the test data line is connected to the headphone interface.

[0007] As can be seen from the above scheme, the communication data of the headset is fed back to an external computer by connecting the test data line to the headset interface. The connecting rod fixing module is used to clamp and fix the headset ear strap. By clamping the ear strap, the bending test of the single-sided earmuff ear strap can be realized. The external computer obtains the communication performance when the single-sided earmuff ear strap of the headset is stretched and twisted through the test data line. When the simulated test headset is stretched outward, the connecting rod fixing module will release the ear strap of the headset, and the earmuff limiters of the two groups of earmuff deformation drive assemblies will cooperate with the earmuffs of the headset to be tested to limit. The two earmuffs of the headset are driven away from each other by the floating external pulling module to simulate the stretched state. Similarly, the communication situation is fed back through the test data line. The front and rear deformation module and the fixed axis rotation module are used to simulate the communication situation under two deformation states, namely, the front and rear staggered deformation state of the two earmuffs and the rotation of the earmuffs along their rotation axis. Then, the above structure is used to detect whether the headset can communicate normally under different twisted deformation states.

[0008] A preferred solution is that the floating outward pulling module includes a lifting drive assembly, a lifting frame, a movable platform and a linear drive mechanism, the lifting drive assembly is fixedly arranged on the frame, the lifting frame is slidably fitted on the frame in a vertical direction through a guide structure, the bottom of the lifting frame is connected to the movable end of the lifting drive assembly, the linear drive mechanism is fixed on the lifting frame, the lifting frame is slidably fitted with a limit frame and the limit frame is connected to the movable end of the linear drive mechanism, one end of the movable platform is hingedly fitted on the limit frame, arc-shaped slide grooves are arranged on both sides of the lifting frame, and sliding parts slidably fitted with the arc-shaped slide grooves are arranged on both sides of the other end of the movable platform, and when the linear drive mechanism drives the limit frame to make a linear motion, the movable platform slides along the arc-shaped slide groove and changes the pitch angle, and the front and rear deformation modules are arranged on the movable platform.

[0009] It can be seen from the above scheme that the lifting drive assembly is used to drive the lifting frame to perform lifting and lowering movements, thereby compensating for the deformation of the headset in the Z-axis direction during stretching and performing compensatory displacement during unilateral testing, so as to avoid damage caused by excessive deformation of the headset during the external pulling process. The movable platform is adapted to the arc-shaped slide groove, and the movable platform is hinged to the limit frame. When the linear drive mechanism drives the limit frame to move, the earmuff limiter pulls the headset outward while adapting the arc-shaped slide groove to adjust the pitch angle, thereby meeting the deformation requirements of the headset itself.

[0010] A further preferred solution is that the lifting drive assembly includes a lifting plate, a fixed frame and a first drive motor, the fixed frame and the first drive motor are both fixed on the frame, the lifting plate is fixedly connected to the lifting frame, the lifting plate is slidably fitted on the fixed frame, a strip guide groove is provided on the lifting plate, a rotating arm is provided at the end of the output shaft of the first drive motor, a first roller adapted to the strip guide groove is rotatably provided at the end of the rotating arm, and when the rotating arm moves, the first roller reciprocates in the strip guide groove and drives the lifting plate to rise and fall.

[0011] It can be seen from the above scheme that by using the eccentric rotating arm and roller to cooperate with the strip guide groove on the lifting plate, the activity space requirement of the first roller is met, and the lifting plate is driven to perform lifting and lowering actions, and the rotational motion of the motor is converted into the linear motion of the lifting plate. The lifting plate is slidably matched on the fixed frame through a linear slide rail to ensure the linear movement accuracy of the lifting plate.

[0012] A further preferred solution is that a linear guide is provided on the limit frame, a lifting slider is slidably fitted on the linear guide, the movable platform is hingedly fitted on the lifting slider, the sliding member includes at least one set of second rollers, and the second rollers are rotatably arranged on the side of the movable platform.

[0013] It can be seen from the above scheme that by setting the lifting slider and hingedly connecting the movable platform to the lifting slider, so that the linear drive mechanism drives the limit frame to perform an outward pulling action, the movable platform can not only adapt to the arc-shaped slide groove to adjust the pitch angle, but also adapt to the length of the ear strap of the product to adjust the height of the movable platform, thereby matching the deformation of the ear strap of the headset, and better ensuring that the product will not be damaged during the test due to excessive pulling.

[0014] A preferred solution is that the front and rear deformation module includes a second drive motor, a screw and a screw nut, the screw rotatably engages with the movable end of the floating external pulling module and is connected to the output shaft of the second drive motor, the second drive motor is fixed on the movable end of the floating external pulling module, the screw nut engages with the screw, and the fixed axis rotation module is arranged on the screw nut.

[0015] It can be seen from the above scheme that the second driving motor drives the screw to rotate, thereby driving the fixed-axis rotation module on the screw nut to move in the Y-axis direction, thereby realizing the forward and backward pulling action.

[0016] A preferred solution is that the fixed-axis rotation module includes a mounting block, a third drive motor and a rotating shaft, the mounting block is fixed on the movable end of the front and rear deformation modules, the rotating shaft rotatably engages on the mounting block, the third drive motor is fixed on the mounting block, the output shaft of the third drive motor is transmission-connected to the rotating shaft, and the earmuff limiter is fixed on the rotating shaft.

[0017] It can be seen from the above scheme that the rotating shaft is driven to rotate by the third driving motor, thereby causing the earmuff stopper disposed on the rotating shaft to rotate along a fixed axis. When the earmuff of the headset is assembled on the earmuff stopper, the axis of the rotating shaft coincides with the axis of the rotating shaft of the earmuff of the headset.

[0018] A further preferred solution is that a through hole adapted to the test data line is provided on the rotation axis of one group of the fixed-axis rotation modules, and a line hanging block is provided on one side of the mounting block of the group of the fixed-axis rotation modules.

[0019] As can be seen from the above scheme, the through hole is used to provide a passage space for the test data line, and the test data line is connected to the headset by passing through the rotating shaft to ensure that the data line will not be detached due to stretching and twisting during the test, thereby improving the stability of the test. The hanging block is used to hang the idle wire harness.

[0020] A preferred solution is that a limiting boss is provided on the earmuff limiting member, a mounting groove is provided in the middle of the limiting boss, and an in-position sensor is provided in the mounting groove.

[0021] As can be seen from the above scheme, the limiting boss cooperates with the earmuff to limit the position of the single-side body. The in-place sensor detects whether the body is adapted to the earmuff limiting piece, so as to prevent the headphone body from falling off and continuing to test, resulting in collision with the product and damaging the product, and also prevents empty material from working.

[0022] A preferred solution is that the earmuff stopper is provided with a magnet that magnetically cooperates with the internal magnetic structure of the earphone.

[0023] It can be seen from the above solution that by arranging a magnet on the earmuff limiter, the product can be adsorbed and fixed by magnetic force while limiting the position by contour fitting, thereby ensuring the stability of the test.

[0024] A preferred solution is that the connecting rod fixing module includes a mounting bracket and two groups of symmetrically arranged clamping components, the clamping component includes a positioning plate, a clamping cylinder and an ear band limit block, the clamping cylinder and the ear band limit block are both fixed on the positioning plate, the positioning plate is obliquely fixed on the top of the mounting bracket, a clamping block cooperating with the ear band limit block is provided on the movable end of the clamping cylinder, and the ear band limit block is provided with a groove adapted to the ear band of the headphone.

[0025] It can be seen from the above scheme that the earphone ear straps are clamped by two groups of the clamping components. The two groups of symmetrically arranged clamping methods can provide a suitable fixed point to stably clamp the product during the unilateral deformation test, thereby preventing product shaking from affecting the test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the three-dimensional structure of the present invention from a first viewing angle;

[0027] Figure 2 is a schematic diagram of a three-dimensional structure of the present invention from a second viewing angle;

[0028] Figure 3 is a schematic diagram of the stereoscopic structure of the earmuff deformation driving module from a first viewing angle;

[0029] Figure 4 is a schematic diagram of the stereoscopic structure of the earmuff deformation driving module from a second viewing angle;

[0030] Figure 5 is a partial structural schematic diagram of the floating external pull module;

[0031] Figure 6 is a schematic diagram of the connection structure between the front and rear deformation modules and the fixed-axis rotation module;

[0032] Figure 7 It is a three-dimensional structural schematic diagram of the connecting rod fixing module. DETAILED DESCRIPTION

[0033] like Figure 1 and Figure 2As shown, in this embodiment, the present invention includes a frame 1, on which a connecting rod fixing module 2 and two groups of earmuff deformation driving modules 3 are arranged, and the two groups of earmuff deformation driving modules 3 are respectively arranged on both sides of the connecting rod fixing module 2, and the earmuff deformation driving module 3 includes a floating outward pulling module 31, a front and rear deformation module 32, a fixed axis rotation module 33 and an earmuff stopper 34 connected in sequence, wherein a test data line is arranged on the fixed axis rotation module 33 of one group of the earmuff deformation driving modules 3, the floating outward pulling module 31 drives the earmuff stopper 34 to adjust the pitch angle and displacement, the front and rear deformation module 32 drives the earmuff stopper 34 to displace along a movement direction perpendicular to the floating outward pulling module 31, the fixed axis rotation module 33 drives the earmuff stopper 34 to rotate on a fixed axis, and the test data line is connected to the headphone interface.

[0034] like Figures 2 to 5 As shown, in this embodiment, the floating outward pulling module 31 includes a lifting drive assembly, a lifting frame 311, a movable platform 312 and a linear drive mechanism. The lifting drive assembly is fixedly arranged on the frame 1. The lifting frame 311 is slidably matched on the frame 1 along the vertical direction through a guide structure. The bottom of the lifting frame 311 is connected to the movable end of the lifting drive assembly. The linear drive mechanism is fixed on the lifting frame 311. The lifting frame 311 is slidably matched with a limited frame 313 and the limited frame 313 The movable platform 312 is connected to the movable end of the linear drive mechanism, one end of the movable platform 312 is hingedly matched on the limit frame 313, arc-shaped slide grooves 314 are arranged on both sides of the lifting frame 311, and sliding parts that slide with the arc-shaped slide grooves 314 are arranged on both sides of the other end of the movable platform 312. When the linear drive mechanism drives the limit frame 313 to make linear motion, the movable platform 312 slides along the arc-shaped slide grooves 314 and changes the pitch angle, and the front and rear deformation modules 32 are arranged on the movable platform 312. The linear drive mechanism includes a motor, a synchronous belt and two sets of synchronous wheels. The motor is fixed on the lifting frame 311, one set of synchronous wheels is fixed on the output shaft of the motor, and the other set of synchronous wheels rotates and cooperates with the lifting frame 311. The synchronous belt is wound on the two sets of synchronous wheels. The bottom of the limit frame 313 is provided with a connecting block fixedly connected to the synchronous belt. The motor drives the synchronous belt to rotate through the synchronous wheel to drive the limit frame 313 to make linear motion. The lifting frame 311 is provided with a linear guide rail that slidably cooperates with the limiting frame 313. The guide structure includes a plurality of guide posts arranged at the bottom of the lifting frame, and the frame 1 is provided with a linear guide sleeve that corresponds to the plurality of guide posts. The lifting frame 311 includes two sets of side panels and a bottom plate, and the two sets of side panels are respectively arranged on both sides of the bottom plate, and the arc-shaped slide groove 314 is arranged on the two sets of side panels.

[0035] like Figure 2 and Figure 4 As shown, in this embodiment, the lifting drive assembly includes a lifting plate, a fixed frame 315 and a first driving motor, the fixed frame 315 and the first driving motor are both fixed to the bottom of the frame 1, the lifting plate passes through the frame 1 and is fixedly connected to the lifting frame 311, the lifting plate is slidably fitted on the fixed frame 315, a strip guide groove 316 is provided on the lifting plate, a rotating arm is provided at the end of the output shaft of the first driving motor, one end of the rotating arm is connected to the output shaft of the first driving motor, and a first roller 317 adapted to the strip guide groove 316 is rotatably provided at one end of the rotating arm away from the first driving motor, the rotating arm is a long strip rotating arm, and when the rotating arm moves, the first roller 317 reciprocates in the strip guide groove 316 and drives the lifting plate to rise and fall.

[0036] like Figure 5 As shown, in this embodiment, a linear guide is provided on the limit frame 313, and a lifting slider 318 is slidably fitted on the linear guide. The movable platform 312 is hingedly fitted on the lifting slider 318, and the sliding member includes at least one group of second rollers 319, and the second rollers 319 are rotatably arranged on the side of the movable platform 312.

[0037] like Figure 6 As shown, in this embodiment, the front and rear deformation module 32 includes a second drive motor 321, a screw rod 322 and a screw rod nut. The screw rod 322 is rotatably engaged with the movable end of the floating external pulling module 31 and is connected to the output shaft of the second drive motor 321. The second drive motor 321 is fixed on the movable end of the floating external pulling module 31, the screw rod nut is engaged with the screw rod 322, and the fixed axis rotation module 33 is arranged on the screw rod nut.

[0038] like Figure 4 and Figure 6As shown, in this embodiment, the fixed-axis rotation module 33 includes a mounting block 331, a third drive motor 332 and a rotating shaft 333. The mounting block 331 is fixed on the movable end of the front and rear deformation module 32. The rotating shaft 333 is rotatably engaged with the mounting block 331. The third drive motor 332 is fixed on the mounting block 331. The output shaft of the third drive motor 332 is transmission-connected with the rotating shaft 333 through a gear assembly. The earmuff stopper 34 is fixed on the rotating shaft 333. The front and rear deformation module 32 also includes a mounting frame. The mounting block 331 is slidably engaged with the mounting frame through a linear guide rail. The mounting block 331 is connected to the screw nut. At least two sets of sensors are arranged on the mounting block 331. The rotating shaft 333 is correspondingly provided with a sensing sheet that cooperates with the sensor. The angle between the two sets of sensing sheets is 90 degrees, which is set according to the rotatable range of the single-sided body of the earphone product.

[0039] like Figure 4 and Figure 6 As shown, in this embodiment, a through hole 334 adapted to the test data line is provided on the rotation axis 333 of one group of the fixed-axis rotation modules 33, and a wire hanging block 335 is provided on one side of the mounting block 331 of the group of the fixed-axis rotation modules 33.

[0040] like Figure 6 As shown, in this embodiment, a limiting boss 341 is provided on the earmuff limiting member 34 , a mounting groove is provided in the middle of the limiting boss 341 , and a position sensor 342 is provided in the mounting groove.

[0041] In this embodiment, the earmuff stopper 34 is provided with a magnet that magnetically cooperates with the internal magnetic structure of the earphone.

[0042] like Figure 7 As shown, in this embodiment, the connecting rod fixing module 2 includes a mounting bracket 11 and two groups of symmetrically arranged clamping assemblies 12, the clamping assembly 12 includes a positioning plate 121, a clamping cylinder 122 and an ear band limit block 123, the positioning plate 121 is fixed on the mounting bracket 11, the clamping cylinder 122 and the ear band limit block 123 are both fixed on the positioning plate 121, the positioning plate 121 is obliquely fixed on the top of the mounting bracket 11, the movable end of the clamping cylinder 122 is provided with a clamping block that cooperates with the ear band limit block 123, and the ear band limit block 123 is provided with a groove that matches the ear band of the headphone.

[0043] Working principle of the present invention:

[0044] First, the tester or the handling equipment hangs the headphone product to be tested on the two sets of the clamping components 12, and respectively places the two sets of headphone bodies on the corresponding earmuff limiters 34, and connects the test data line to realize real-time monitoring of the communication status of the headphone.

[0045] When testing both sides of the headset simultaneously, the two sets of clamping assemblies 12 are in the open state, and the two sets of earmuff deformation drive modules 3 are in operation. First, the linear drive mechanism drives the limit frame 313 to pull the headset product outward along the X-axis direction, and at the same time, the movable platform 312 adjusts the tilt angle and height during the pulling process. The front and rear deformation modules 32 and the fixed-axis rotation module 33 respectively perform front and rear twisting deformation and rotation of one side of the body, wherein the front and rear deformation and rotation can be performed in the pulling test or separately under different tensile conditions. During the test, the external computer obtains the communication status of the headset through the test data line.

[0046] When testing the single-side body of the headset, a group of the clamping components 12 away from the body to be tested clamps the ear strap of the headset to position it, thereby ensuring that the ear strap has sufficient deformation space during the test. At the same time, the lifting drive component lifts the lifting frame 311 to make the movable platform 312 compensate for displacement along the Z axis. Similarly, the earmuff deformation drive module 3 simulates the twisting posture of pulling outward, twisting forward and backward, and rotating the body, and the communication status is fed back to the external computer through the test data line.

Claims

1. A headphone deformation simulation detection device, comprising a frame (1), characterized in that: The frame (1) is provided with a connecting rod fixing module (2) and two groups of earmuff deformation driving modules (3). The two groups of earmuff deformation driving modules (3) are respectively arranged on both sides of the connecting rod fixing module (2). The earmuff deformation driving module (3) comprises a floating outward pulling module (31), a front and rear deformation module (32), a fixed axis rotation module (33) and an earmuff stopper (34) which are connected in sequence. A test data line is arranged on the fixed axis rotation module (33) of one group of the earmuff deformation driving modules (3). The floating outward pulling module (31) drives the earmuff stopper (34) to adjust the pitch angle and displacement. The front and rear deformation modules The floating external pull module (31) is provided with a lifting and lowering mechanism, wherein the lifting and lowering mechanism (32) drives the earmuff stopper (34) to move along a direction perpendicular to the movement direction of the floating external pull module (31), the fixed-axis rotation module (33) drives the earmuff stopper (34) to rotate along a fixed axis, and the test data line is connected to the earphone interface; the floating external pull module (31) comprises a lifting and lowering drive component, a lifting and lowering frame (311), a movable platform (312) and a linear drive mechanism, the lifting and lowering drive component is fixedly arranged on the frame (1), the lifting and lowering frame (311) is slidably matched on the frame (1) in a vertical direction through a guide structure, and the bottom of the lifting and lowering frame (311) is in contact with the movable platform of the lifting and lowering drive component. The lifting frame (311) is connected to the lifting frame (311), the linear drive mechanism is fixed on the lifting frame (311), the lifting frame (311) is slidably matched with a limiting frame (313), and the limiting frame (313) is connected to the movable end of the linear drive mechanism, one end of the movable platform (312) is hingedly matched with the limiting frame (313), both sides of the lifting frame (311) are provided with arc-shaped slide grooves (314), and both sides of the other end of the movable platform (312) are provided with sliding parts that slidably match the arc-shaped slide grooves (314), and when the linear drive mechanism drives the limiting frame (313) to make a linear motion, the movable platform (312) moves along The arc-shaped slide groove (314) slides and changes the pitch angle, and the front and rear deformation module (32) is arranged on the movable platform (312); the front and rear deformation module (32) comprises a second drive motor (321), a screw rod (322) and a screw rod nut, the screw rod (322) is rotationally engaged with the movable end of the floating external pulling module (31) and is connected to the output shaft of the second drive motor (321), the second drive motor (321) is fixed on the movable end of the floating external pulling module (31), the screw rod nut is engaged with the screw rod (322), and the fixed axis rotation module (33) is arranged on the screw rod nut;The fixed-axis rotation module (33) comprises a mounting block (331), a third drive motor (332) and a rotating shaft (333); the mounting block (331) is fixed on the movable end of the front and rear deformation module (32); the rotating shaft (333) is rotatably engaged with the mounting block (331); the third drive motor (332) is fixed on the mounting block (331); the output shaft of the third drive motor (332) is transmission-connected with the rotating shaft (333); the earmuff stopper (34) is fixed on the rotating shaft (333); the front and rear deformation module (32) further comprises a mounting frame; the mounting block (331) is slidably engaged with the mounting frame via a linear guide rail; the mounting block (331) is connected to the screw nut; at least two sets of sensors are arranged on the mounting block (331); and a sensing sheet engaged with the sensors is correspondingly arranged on the rotating shaft (333). ; 2. The headphone deformation simulation detection device according to claim 1, characterized in that: The lifting drive assembly comprises a lifting plate, a fixing frame (315) and a first driving motor; the fixing frame (315) and the first driving motor are both fixed on the frame (1); the lifting plate is fixedly connected to the lifting frame (311); the lifting plate is slidably engaged on the fixing frame (315); a strip guide groove (316) is provided on the lifting plate; a rotating arm is provided at the end of the output shaft of the first driving motor; a first roller (317) adapted to the strip guide groove (316) is rotatably provided at the end of the rotating arm; when the rotating arm moves, the first roller (317) reciprocates in the strip guide groove (316) and drives the lifting plate to rise and fall.

3. The headphone deformation simulation detection device according to claim 1, characterized in that: The limiting frame (313) is provided with a linear guide rail, and a lifting slider (318) is slidably engaged with the linear guide rail. The movable platform (312) is hingedly engaged with the lifting slider (318). The sliding member includes at least one group of second rollers (319), and the second rollers (319) are rotatably arranged on the side of the movable platform (312).

4. The headphone deformation simulation detection device according to claim 1, characterized in that: A through hole (334) adapted to the test data line is provided on the rotation axis (333) of one group of the fixed-axis rotation modules (33), and a line hanging block (335) is provided on one side of the mounting block (331) of the group of the fixed-axis rotation modules (33).

5. The headphone deformation simulation detection device according to claim 1, characterized in that: The earmuff limiting member (34) is provided with a limiting boss (341), a mounting groove is provided in the middle of the limiting boss (341), and a position sensor (342) is provided in the mounting groove.

6. The headphone deformation simulation detection device according to claim 1, characterized in that: The earmuff stopper (34) is provided with a magnet that magnetically cooperates with the internal magnetic structure of the earphone.

7. The headphone deformation simulation detection device according to claim 1, characterized in that: The connecting rod fixing module (2) comprises a mounting bracket (11) and two groups of symmetrically arranged clamping assemblies (12); the clamping assembly (12) comprises a positioning plate (121), a clamping cylinder (122) and an ear band limiting block (123); the clamping cylinder (122) and the ear band limiting block (123) are both fixed on the positioning plate (121); the positioning plate (121) is tiltedly fixed on the top of the mounting bracket (11); a clamping block cooperating with the ear band limiting block (123) is arranged on the movable end of the clamping cylinder (122); and a groove matching the ear band of the earphone is arranged on the ear band limiting block (123).

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