CN113965867A

CN113965867A - Headphone deformation simulation detection device

Info

Publication number: CN113965867A
Application number: CN202111285705.9A
Authority: CN
Inventors: 张智力; 杨海根; 李汉德; 廖玉雄; 毛宁
Original assignee: Zhuhai Bojay Electronics Co Ltd
Current assignee: Zhuhai Bojay Electronics Co Ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-01-21

Abstract

The invention aims to provide the headphone deformation simulation detection equipment which has a wide bending simulation test range and can perform positioning compensation when earmuffs are expanded. The ear muff deformation driving assembly comprises a floating outward-pulling module, a front and back deformation module, a fixed-shaft rotation module and an ear muff limiting part which are sequentially connected, wherein a test data line is arranged on the fixed-shaft rotation module of one ear muff deformation driving assembly, the floating outward-pulling module drives the ear muff limiting part to perform pitch angle and displacement adjustment, the front and back deformation module drives the ear muff limiting part to perform displacement along a movement direction perpendicular to the floating outward-pulling module, the fixed-shaft rotation module drives the ear muff limiting part to perform fixed-shaft rotation, and the test data line is connected with an earphone interface. The invention is applied to the technical field of deformation testing equipment.

Description

Headphone deformation simulation detection device

Technical Field

The invention is applied to the technical field of deformation testing equipment, and particularly relates to a headphone deformation simulation detection device.

Background

Headphones, as the name implies, are worn on the head, not inserted into the ear canal, as distinguished from the type of in-ear earplugs. It is composed of two parts, signal transmitter and earphone with signal receiving and amplifying device. The emitter is connected with the signal source, and a front stage or an earphone amplifier can be connected in front of the emitter to improve the tone quality and adjust the tone color. The eardrum sound protection device has the advantages of being good in sound field, good in tone quality, good in comfort level, free of entering ears, capable of avoiding scratching the ear canals, capable of protecting the eardrums and the like.

In order to ensure the performance and the quality of earphone products, related performance tests need to be done before leaving factories, and the headset testing equipment on the market mainly aims at testing the tone quality and the wearing comfort. For example, chinese patent publication No. CN210274534U discloses a headphone expansion testing machine, which aims to provide a testing machine capable of testing the expansion distance and the expansion force of a headphone to determine the adaptability of the headphone to different people and the wearing comfort. For example, chinese patent publication No. CN205902079U discloses an audio test fixture for a headphone, and aims to provide an audio test fixture which can well position headphone ear cups and avoid poor consistency of test results caused by extrusion deformation of foam in the ear cups.

Above-mentioned two kinds of technical scheme are to testing in the aspect of tone quality test and the wearing comfort, and headset often can be buckled tensile in headset's the in-service use scene, and current novel headset is convenient for accomodating simultaneously, can make rotatable structure with the earmuff usually for the earmuff can rotate to with the earmuff coplanar when accomodating, and it is more convenient to realize flattening and accomodate. Because the communication pencil needs to pass through joint structure and earmuff and connect the sound production unit in the ear muff about, and above-mentioned action all can lead to the communication pencil to become invalid, and traditional testing arrangement can't carry out communication performance's detection to this condition. The existing Chinese patent with the publication number of CN108882138A discloses a headset testing robot for an embedded computer, which can realize the preliminary bending test of a headset, but can only adapt to two bending modes of expansion and contraction, can not adapt to the deformation test of a rotatable earmuff structure and more postures, and can not realize the positioning compensation when the headset is expanded.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the headphone deformation simulation detection equipment which has a wide bending simulation test range and can perform positioning compensation when the earmuffs are expanded.

The technical scheme adopted by the invention is as follows: the ear muff deformation driving assembly comprises a floating outward-pulling module, a front-back deformation module, a fixed-axis rotation module and an ear muff limiting part which are sequentially connected, wherein a test data line is arranged on the fixed-axis rotation module of one ear muff deformation driving assembly, the floating outward-pulling module drives the limiting part to perform pitching angle and displacement adjustment, the front-back deformation module drives the ear muff limiting part to perform displacement along a movement direction perpendicular to the floating outward-pulling module, the fixed-axis rotation module drives the limiting part to perform fixed-axis rotation, and the test data line is connected with an earphone interface.

According to the scheme, the communication data of the earphone is fed back to an external computer through the connection of the test data line and the earphone interface. The connecting rod fixing module is used for clamping and fixing the ear band of the earphone, the unilateral earmuff ear band can be bent and tested through clamping the ear band, and the external computer can obtain the communication performance under the condition that the unilateral earmuff ear band is stressed and distorted when the earphone is used. Simulation test headphone is when being stretched to the outside, the ear area that the headphone will be released to the fixed module of connecting rod, and is two sets of ear muff deformation drive assembly the ear muff locating part is spacing with the ear muff cooperation of the earphone that awaits measuring, through two ear muffs that the module drove headphone are kept away from each other outward in the unsteady realization simulation by tensile state, pass through on the same principle test data line feedback communication condition. Through around the deformation module with dead axle rotation module simulate respectively around two earmuffs stagger under the deformation state with the earmuff along its rotation of axes rotation under the communication condition under two kinds of deformation states. And then whether headset can normally communicate under the different distortion deformation states of detection is realized through above-mentioned structure.

One preferred scheme is that the floating external pulling module comprises a lifting driving assembly, a lifting frame, a movable platform and a linear driving mechanism, the lifting driving assembly is fixedly arranged on the frame, the lifting frame is in sliding fit on the frame along the vertical direction through a guide structure, the bottom of the lifting frame is connected with the movable end of the lifting driving assembly, the linear driving mechanism is fixed on the lifting frame, a limiting frame is in sliding fit on the lifting frame and is connected with the movable end of the linear driving mechanism, one end of the movable platform is in hinged fit on the limiting frame, arc chutes are arranged on two sides of the lifting frame, sliding pieces in sliding fit with the arc chutes are arranged on two sides of the other end of the movable platform, and the movable platform slides along the arc chutes and changes the pitch angle when the limiting frame is driven by the linear driving mechanism to do linear motion, the front and back deformation module is arranged on the movable platform.

According to the scheme, the lifting driving assembly is used for driving the lifting frame to perform lifting action, so that deformation of the headset in the Z-axis direction during stretching and compensation displacement during unilateral testing are compensated, and damage caused by overlarge deformation of the headset in the outward-pulling process is avoided. Through the movable platform adaptation the arc spout is simultaneously through inciting somebody to action movable platform articulates spacing design, and then linear drive mechanism drives during the motion of spacing, the ear muff locating part is drawing the appearance outward when the earphone arc spout adaptation adjustment every single move angle satisfies headphone self's deformation requirement.

A further preferred scheme is that the lifting driving assembly comprises a lifting plate, a fixing frame and a first driving motor, the fixing frame and the first driving motor are fixed on the rack, the lifting plate is fixedly connected with the lifting frame, the lifting plate is in sliding fit with the fixing frame, a strip-shaped guide groove is formed in the lifting plate, a rotating arm is arranged at the end part of an output shaft of the first driving motor, a first roller matched with the strip-shaped guide groove is arranged at the end part of the rotating arm in a rotating mode, and when the rotating arm acts, the first roller reciprocates in the strip-shaped guide groove and drives the lifting plate to lift.

According to the scheme, the rotating arm and the roller which are of eccentric structures are matched with the strip-shaped guide groove in the lifting plate, so that the requirement on the moving space of the first roller is met, the lifting plate is driven to do lifting action, and the rotary motion of the motor is converted into the linear motion of the lifting plate. The lifting plate is in sliding fit with the fixing frame through the linear slide rail, and the linear movement precision of the lifting plate is guaranteed.

Further preferred scheme is, be provided with linear guide on the spacing, sliding fit has the lift slider on the linear guide, the activity platform articulates the cooperation and is in on the lift slider, the slider includes at least a set of second gyro wheel, the second gyro wheel rotates and sets up the lateral part of activity platform.

It is visible by above-mentioned scheme, through setting up the lifting slide block will movable platform articulates on the lifting slide block, and then realize linear drive mechanism drives when the action is drawn outward to spacing frame, movable platform not only can the adaptation arc spout adjustment every single move angle, the earlap length adjustment lifting that can also adapt the product movable platform's height, and then the deformation of matcing head-mounted earphone earlap, better assurance product can not excessively be dragged impaired in test process.

According to a preferable scheme, the front and rear deformation module comprises a second driving motor, a screw rod and a screw nut, the screw rod is in running fit with the movable end of the floating external pulling module and is connected with an output shaft of the second driving motor, the second driving motor is fixed on the movable end of the floating external pulling module, the screw nut is matched on the screw rod, and the fixed-axis rotation module is arranged on the screw nut.

According to the scheme, the second driving motor drives the screw rod to rotate, so that the fixed-axis rotating module on the screw rod nut is driven to move in the Y-axis direction, and the front and back pulling actions are realized.

One preferred scheme is, the dead axle rotation module includes installation piece, third driving motor and rotation axis, the installation piece is fixed on the activity end of front and back deformation module, the rotation axis normal running fit is in on the installation piece, third driving motor fixes the installation piece, the output shaft of third driving motor with the rotation axis transmission is connected, the ear muff locating part is fixed on the rotation axis.

According to the scheme, the third driving motor drives the rotating shaft to rotate, so that the earmuff limiting part arranged on the rotating shaft rotates along a fixed axis. When the earmuffs of the headset are assembled on the earmuff limiting parts, the axis of the rotating shaft is coincident with the axis of the rotating shaft of the earmuffs of the headset.

A through hole matched with the test data line is formed in the rotating shaft of one group of the fixed-shaft rotating modules, and a wire hanging block is arranged on one side of the mounting block of the group of the fixed-shaft rotating modules.

According to the scheme, the through holes are used for providing passing space for the test data lines, the test data lines penetrate through the rotating shaft and are connected with the headset, the data lines are prevented from being separated due to stretching and twisting in the test process, and the test stability is improved. And the wire hanging block is used for hanging the idle wire harness.

One preferred scheme is, be provided with spacing boss on the ear muff locating part, the middle part of spacing boss is provided with the mounting groove, be provided with the sensor that targets in place in the mounting groove.

It is thus clear that by above-mentioned scheme, through spacing boss realizes spacing the unilateral organism with the cooperation of earphone ear muff. Through whether the sensor that targets in place detects the organism adaptation in on the ear muff locating part, prevent still continue the test after the earphone organism drops, lead to damaging the product with the product collision, also prevent empty material work simultaneously.

One preferred scheme is that the ear muff limiting part is provided with a magnet which is matched with the magnetic structure in the earphone in a magnetic attraction manner.

It is thus clear that by above-mentioned scheme, through set up the magnet on the ear muff locating part, and then utilize magnetic force to adsorb the product fixed when laminating spacingly through the profile, guarantee the stability of test.

One preferred scheme is, the fixed module of connecting rod includes the clamping unit that installing support and two sets of symmetries set up, clamping unit includes locating plate, die clamping cylinder and ear area stopper, die clamping cylinder with ear area stopper is all fixed on the locating plate, the locating plate slope is fixed the top of installing support, be provided with on die clamping cylinder's the activity end with ear area stopper complex clamp splice, be provided with the recess with earphone ear area looks adaptation on the ear area stopper.

According to the scheme, the earphone ear belt is clamped by the two clamping assemblies, the clamping modes are symmetrically arranged, a suitable fixed point can be provided to stably clamp a product when the unilateral deformation is tested, and the influence on the test precision caused by the shaking of the product is avoided.

Drawings

FIG. 1 is a schematic perspective view of a first aspect of the present invention;

FIG. 2 is a perspective view of the present invention from a second perspective;

fig. 3 is a schematic perspective view of the ear muff deformation driving module at a first viewing angle;

fig. 4 is a schematic perspective view of the ear muff deformation driving module at a second viewing angle;

FIG. 5 is a schematic view of a portion of the floating pull-out module;

FIG. 6 is a schematic view showing a connection structure of the front-rear deforming module and the fixed-axis rotating module;

fig. 7 is a schematic perspective view of the connecting rod fixing module.

Detailed Description

As shown in fig. 1 and fig. 2, in this embodiment, the present invention includes a frame 1, a connecting rod fixing module 2 and two sets of ear muff deformation driving modules 3 are disposed on the frame 1, the two sets of ear muff deformation driving modules 3 are disposed on two sides of the connecting rod fixing module 2, respectively, the ear muff deformation driving modules 3 include a floating pull-out module 31, a front-back deformation module 32, a fixed axis rotation module 33 and an ear muff limit piece 34, which are connected in sequence, wherein a test data line is disposed on the fixed axis rotation module 33 of one set of ear muff deformation driving modules 3, the floating pull-out module 31 drives the ear muff limit piece 34 to perform pitch angle and displacement adjustment, the front-back deformation module 32 drives the ear muff limit piece 34 to perform displacement along a direction perpendicular to a movement direction of the floating pull-out module 31, the fixed axis rotation module 33 drives the ear muff limit piece 34 to perform fixed axis rotation, the test data line is connected with the earphone interface.

As shown in fig. 2 to 5, in this embodiment, the floating pull-out module 31 includes a lifting driving assembly, a lifting frame 311, a movable platform 312 and a linear driving mechanism, the lifting driving assembly is fixedly disposed on the frame 1, the lifting frame 311 is slidably fitted on the frame 1 along a vertical direction through a guiding structure, the bottom of the lifting frame 311 is connected to a movable end of the lifting driving assembly, the linear driving mechanism is fixed on the lifting frame 311, a limit frame 313 is slidably fitted on the lifting frame 311 and the limit frame 313 is connected to the movable end of the linear driving mechanism, one end of the movable platform 312 is hingedly fitted on the limit frame 313, arc chutes 314 are disposed on both sides of the lifting frame 311, and sliders slidably fitted with the arc chutes 314 are disposed on both sides of the other end of the movable platform 312, when the linear driving mechanism drives the limiting frame 313 to do linear motion, the movable platform 312 slides along the arc-shaped sliding groove 314 and changes the pitch angle, and the front and rear deformation module 32 is arranged on the movable platform 312. The linear driving mechanism comprises 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 an output shaft of the motor, the other set of synchronous wheels is in running fit with the lifting frame 311, the synchronous belt is wound on the two sets of synchronous wheels, the bottom of the limiting frame 313 is provided with a connecting block fixedly connected with the synchronous belt, and the motor drives the synchronous belt to rotate through the synchronous wheels to realize driving the limiting frame 313 to do linear motion. The lifting frame 311 is provided with a linear guide rail which is in sliding fit with the limiting frame 313. The guide structure comprises a plurality of guide posts arranged at the bottom of the lifting frame, and linear guide sleeves which are matched with the plurality of guide posts in a one-to-one correspondence mode are correspondingly arranged on the rack 1. The lifting frame 311 comprises two groups of side plates and a bottom plate, the two groups of side plates are respectively arranged at two sides of the bottom plate, and the arc-shaped sliding grooves 314 are arranged on the two groups of side plates.

As shown in fig. 2 and 4, in the present embodiment, the elevation driving assembly includes an elevation plate, a fixing frame 315 and a first driving motor, the fixed frame 315 and the first driving motor are both fixed at the bottom of the frame 1, the lifting plate passes through the frame 1 and is fixedly connected with the lifting frame 311, the lifting plate is in sliding fit with the fixed frame 315, a strip-shaped guide groove 316 is arranged on the lifting plate, a rotating arm is arranged at the end part of an output shaft of the first driving motor, one end of the rotating arm is connected with the output shaft of the first driving motor, one end of the rotating arm far away from the first driving motor is rotatably provided with a first roller 317 matched with the strip-shaped guide groove 316, the rotating arm is a strip-shaped rotating arm, and when the rotating arm acts, the first roller 317 reciprocates in the strip-shaped guide groove 316 and drives the lifting plate to lift.

As shown in fig. 5, in this embodiment, a linear guide rail is disposed on the position-limiting frame 313, a lifting slider 318 is slidably fitted on the linear guide rail, the movable platform 312 is hinged to the lifting slider 318, the slider includes at least one set of second rollers 319, and the second rollers 319 are rotatably disposed on a side portion of the movable platform 312.

As shown in fig. 6, in the present embodiment, the front-back deformation module 32 includes a second driving motor 321, a screw rod 322, and a screw nut, the screw rod 322 is rotatably fitted on the movable end of the floating external pulling module 31 and connected to an output shaft of the second driving motor 321, the second driving motor 321 is fixed on the movable end of the floating external pulling module 31, the screw nut is fitted on the screw rod 322, and the fixed axis rotation module 33 is disposed on the screw nut.

As shown in fig. 4 and 6, in the present embodiment, the fixed-axis rotation module 33 includes a mounting block 331, a third driving motor 332, and a rotation shaft 333, the mounting block 331 is fixed to the movable end of the front-back deformation module 32, the rotation shaft 333 is rotatably fitted to the mounting block 331, the third driving motor 332 is fixed to the mounting block 331, an output shaft of the third driving motor 332 is in transmission connection with the rotation shaft 333 through a gear assembly, and the ear cup limiting member 34 is fixed to the rotation shaft 333. The front and back deformation module 32 further comprises a mounting frame, the mounting block 331 is in sliding fit with the mounting frame through a linear guide rail, and the mounting block 331 is connected with the screw rod nut. The installation block 331 is provided with at least two groups of sensors, the rotating shaft 333 is correspondingly provided with sensing pieces matched with the sensors, the included angle between the two groups of sensing pieces is 90 degrees, and the included angle is set according to the rotatable range of the single-side body of the earphone product.

As shown in fig. 4 and 6, in this embodiment, a through hole 334 adapted to the test data line is provided on the rotating shaft 333 of one of the groups of fixed-axis rotating modules 33, and a wire hanging block 335 is provided on one side of the mounting block 331 of the group of fixed-axis rotating modules 33.

As shown in fig. 6, in this embodiment, the ear muff limiting member 34 is provided with a limiting boss 341, a mounting groove is provided in the middle of the limiting boss 341, and the in-place sensor 342 is disposed in the mounting groove.

In this embodiment, the ear muff limiting member 34 is provided with a magnet magnetically engaged with the internal magnetic structure of the earphone.

As shown in fig. 7, in this embodiment, the connecting rod fixing module 2 includes a mounting bracket 11 and two sets of symmetrical clamping components 12, each clamping component 12 includes a positioning plate 121, a clamping cylinder 122 and an ear band limiting block 123, the positioning plate 121 is fixed on the mounting bracket 11, the clamping cylinder 122 and the ear band limiting 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, a clamping block matched with the ear band limiting block 123 is arranged on the movable end of the clamping cylinder 122, and a groove matched with an ear band of an earphone is arranged on the ear band limiting block 123.

The working principle of the invention is as follows:

firstly, a tester or handling equipment hangs an earphone product to be tested on two sets of the clamping assemblies 12, places two sets of machine bodies of the earphones on the corresponding ear muff limit pieces 34 respectively, and connects the test data line to realize real-time monitoring of the communication state of the earphones.

When carrying out the bilateral fuselage simultaneous test of earphone, it is two sets of clamping component 12 all is in the open mode, and is two sets of the 3 actions of ear muff deformation drive module, at first pass through sharp actuating mechanism drives spacing 313 is along the outside pulling earphone product of X axle direction, simultaneously activity platform 312 draws in-process adaptation adjustment inclination and height outward. The front-back deformation module 32 and the dead axle rotation module 33 perform front-back distortion and rotation of the single-sided body, respectively, wherein the front-back distortion and the rotation can be performed in an external pull test or can be performed in different tensile states independently. And in the test process, an external computer acquires the communication state of the earphone through the test data line.

When the unilateral fuselage test of earphone is carried out, keep away from a set of the fuselage that awaits measuring clamping assembly 12 presss from both sides the ear area of earphone tight location, and then guarantees that the ear area has sufficient deformation space in the test procedure, simultaneously the lift drive assembly will crane 311 lifting makes it movable platform 312 does compensation displacement along the Z axle. The similar reason passes through ear muff warp drive module 3 and carries out outer pulling, front and back distortion and fuselage pivoted distortion gesture simulation, through test data line feedback communication state is to outside computer.

Claims

1. Headphone warp emulation check out test set, it includes frame (1), its characterized in that: the machine frame (1) is provided with a connecting rod fixing module (2) and two sets of earmuff deformation driving modules (3), the two sets of earmuff deformation driving modules (3) are respectively arranged at two sides of the connecting rod fixing module (2), the earmuff deformation driving modules (3) comprise a floating outward pulling module (31), a front and back deformation module (32), a fixed shaft rotation module (33) and an earmuff limiting part (34) which are sequentially connected, a test data line is arranged on the fixed shaft rotation module (33) of one set of earmuff deformation driving module (3), the floating outward pulling module (31) drives the earmuff limiting part (34) to make pitch angle and displacement adjustment, the front and back deformation module (32) drives the earmuff limiting part (34) to make displacement along the direction perpendicular to the moving direction of the floating outward pulling module (31), the fixed shaft rotation module (33) drives the earmuff limiting part (34) to make fixed shaft rotation, the test data line is connected with the earphone interface.

2. The headphone deformation emulation detection device according to claim 1, characterized in that: the floating pull-out module (31) comprises a lifting driving assembly, a lifting frame (311), a movable platform (312) and a linear driving mechanism, wherein the lifting driving assembly is fixedly arranged on the rack (1), the lifting frame (311) is in sliding fit with the rack (1) along the vertical direction through a guide structure, the bottom of the lifting frame (311) is connected with the movable end of the lifting driving assembly, the linear driving mechanism is fixed on the lifting frame (311), a limiting frame (313) is in sliding fit with the lifting frame (311), the limiting frame (313) is connected with the movable end of the linear driving mechanism, one end of the movable platform (312) is in hinged fit with the limiting frame (313), arc-shaped sliding grooves (314) are arranged on the two sides of the lifting frame (311), sliding pieces in sliding fit with the arc-shaped sliding grooves (314) are arranged on the two sides of the other end of the movable platform (312), when the linear driving mechanism drives the limiting frame (313) to do linear motion, the movable platform (312) slides along the arc-shaped sliding groove (314) and changes the pitch angle, and the front and back deformation module (32) is arranged on the movable platform (312).

3. The headphone deformation emulation detection device according to claim 2, characterized in that: the lifting driving assembly comprises a lifting plate, a fixing frame (315) and a first driving motor, the fixing frame (315) and the first driving motor are fixed on the rack (1), the lifting plate is fixedly connected with the lifting frame (311), the lifting plate is in sliding fit with the fixing frame (315), a bar-shaped guide groove (316) is formed in the lifting plate, the end portion of an output shaft of the first driving motor is provided with a rotating arm, the end portion of the rotating arm is rotatably provided with a first roller (317) matched with the bar-shaped guide groove (316), and when the rotating arm acts, the first roller (317) is in reciprocating motion and driving in the bar-shaped guide groove (316) to lift the lifting plate.

4. The headphone deformation emulation detection device according to claim 2, characterized in that: be provided with linear guide on spacing (313), sliding fit has lift slider (318) on the linear guide, activity platform (312) articulated cooperation is in on the lift slider (318), the slider includes at least a set of second gyro wheel (319), second gyro wheel (319) rotate and set up the lateral part of activity platform (312).

5. The headphone deformation emulation detection device according to claim 1, characterized in that: the front and back deformation module (32) comprises a second driving motor (321), a screw rod (322) and a screw nut, the screw rod (322) is in running fit with the movable end of the floating outer pulling module (31) and is connected with an output shaft of the second driving motor (321), the second driving motor (321) is fixed on the movable end of the floating outer pulling module (31), the screw nut is matched with the screw rod (322), and the fixed-axis rotation module (33) is arranged on the screw nut.

6. The headphone deformation emulation detection device according to claim 1, characterized in that: the fixed-axis rotating module (33) comprises an installation block (331), a third driving motor (332) and a rotating shaft (333), the installation block (331) is fixed to the movable end of the front and rear deformation module (32), the rotating shaft (333) is in running fit with the installation block (331), the third driving motor (332) is fixed to the installation block (331), the output shaft of the third driving motor (332) is in transmission connection with the rotating shaft (333), and the ear muff limiting part (34) is fixed to the rotating shaft (333).

7. The headphone deformation emulation detection device according to claim 6, characterized in that: the rotating shaft (333) of one group of the fixed-shaft rotating modules (33) is provided with a through hole (334) matched with the test data line, and one side of the mounting block (331) of the fixed-shaft rotating module (33) is provided with a wire hanging block (335).

8. The headphone deformation emulation detection device according to claim 1, characterized in that: be provided with spacing boss (341) on ear muff locating part (34), the middle part of spacing boss (341) is provided with the mounting groove, be provided with sensor (342) that targets in place in the mounting groove.

9. The headphone deformation emulation detection device according to claim 1, characterized in that: the earmuff limit piece (34) is provided with a magnet which is matched with the magnetic structure in the earphone in a magnetic attraction manner.

10. The headphone deformation emulation detection device according to claim 1, characterized in that: the connecting rod fixing module (2) comprises a mounting bracket (11) and a clamping assembly (12) which is symmetrically arranged in two groups, 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 fixed on the positioning plate (121), the positioning plate (121) is obliquely fixed at the top of the mounting bracket (11), a clamping block matched with the ear band limiting block (123) is arranged on the movable end of the clamping cylinder (122), and a groove matched with an earphone ear band is formed in the ear band limiting block (123).