阅读说明：本技术 声学测试设备和测试方法 (Acoustic test apparatus and test method ) 是由 李昕龙 孙亮 梁三元 于 2021-08-19 设计创作，主要内容包括：本发明公开一种声学测试设备,包括声学仿真组件,声学仿真组件设于平台支撑座的上方,待检测件置于声学仿真组件,声学仿真组件设有两个,两声学仿真组件相对设置；定位组件安装于平台支撑座的上方,并位于声学仿真组件的上方,且定位组件能够相对声学仿真组件上下移动,以压紧或松开待检测件,定位组件设于两个,两定位组件相对设置；仿真嘴检测机构设于两声学仿真组件之间,仿真嘴检测机构具有两检测嘴,两检测嘴分别朝向两声学仿真组件设置；控制阀安装于平台支撑座之上,并电性连接于两定位组件,以控制两定位组件的伸缩。本发明的技术方案旨在通过定位组件的设置,实现对待检测件的自动压合,以解决检测效率低下和良品率增加的问题。(The invention discloses acoustic testing equipment which comprises acoustic simulation components, wherein the acoustic simulation components are arranged above a platform supporting seat, a to-be-detected piece is arranged on the acoustic simulation components, the number of the acoustic simulation components is two, and the two acoustic simulation components are arranged oppositely; the positioning assemblies are arranged above the platform supporting seat and above the acoustic simulation assembly, the positioning assemblies can move up and down relative to the acoustic simulation assembly to press or loosen the piece to be detected, the two positioning assemblies are arranged, and the two positioning assemblies are arranged oppositely; the simulated mouth detection mechanism is arranged between the two acoustic simulation components and is provided with two detection mouths which are respectively arranged towards the two acoustic simulation components; the control valve is arranged on the platform supporting seat and is electrically connected with the two positioning assemblies so as to control the expansion of the two positioning assemblies. The technical scheme of the invention aims to realize automatic pressing of the piece to be detected by setting the positioning assembly so as to solve the problems of low detection efficiency and increased yield.)

1. An acoustic testing apparatus, comprising:

a platform support seat;

the acoustic simulation components are arranged above the platform supporting seat, the to-be-detected piece is arranged on the acoustic simulation components, the number of the acoustic simulation components is two, and the two acoustic simulation components are arranged oppositely;

the positioning assemblies are arranged above the platform supporting seat and above the acoustic simulation assemblies, can move up and down relative to the acoustic simulation assemblies so as to press or loosen the piece to be detected, and are arranged in pairs, and the two positioning assemblies are arranged oppositely;

the simulated mouth detection mechanism is arranged between the two acoustic simulation components and is provided with two detection mouths which are respectively arranged towards the two acoustic simulation components;

and the control valve is arranged on the platform supporting seat and is electrically connected with the two positioning assemblies so as to control the expansion and contraction of the two positioning assemblies.

2. The acoustic testing apparatus of claim 1, wherein the acoustic simulation assembly includes a simulation ear and a silicone pad, the simulation ear is disposed above the platform supporting seat, the silicone pad is disposed in the simulation ear, the to-be-detected object is disposed on the silicone pad, and an end of the simulation ear facing the positioning assembly is disposed as an opening, so that the positioning assembly can extend into the simulation ear.

3. The acoustic testing apparatus of claim 2, wherein the dummy ear is a cylindrical structure with an open upper end, the silica gel pad is formed with a silica gel receiving groove, and the to-be-detected piece is disposed in the silica gel receiving groove.

4. The acoustic testing apparatus of claim 2, further comprising a support frame, wherein the support frame comprises a bottom plate, a side plate and a top plate, two ends of the side plate are respectively connected to the bottom plate and the top plate, the bottom plate is mounted on the platform support base, and the dummy ear is mounted on the bottom plate.

5. The acoustic testing apparatus of claim 4, wherein the positioning assembly includes a cylinder, a guide rail, and a pressing block, the guide rail is mounted on an inner side of the side plate and extends along a height direction of the side plate, the cylinder is mounted on the top plate, a telescopic end of the cylinder is located on an inner side of the top plate and is disposed toward the dummy ear, the pressing block is connected to the telescopic end and moves along a height direction of the guide rail, and the control valve is electrically connected to the cylinder.

6. The acoustic testing apparatus of claim 5, wherein the mass is a resilient structural member.

7. The acoustic testing apparatus of claim 1, wherein the simulated nozzle detection mechanism comprises a mounting plate and two detection heads, the mounting plate is mounted to the platform support base and has two mounting surfaces disposed opposite to each other, the two detection heads are respectively mounted to the two mounting surfaces, and the two detection nozzles are respectively disposed on the two detection heads.

8. The acoustic testing apparatus of claim 7, further comprising a master control module, wherein the control valve and the two detection heads are electrically connected to the master control module, respectively.

9. The acoustic testing apparatus of claim 8, further comprising an air pressure adjusting device electrically connected to the main control module to control a pressing force of the positioning assembly.

10. An acoustic testing method using the acoustic testing apparatus of any one of claims 1 to 9, wherein the acoustic testing apparatus further comprises an acoustic curve system electrically connected to the main control module and the simulated mouth detection mechanism; the test method comprises the following steps:

a. placing a product to be detected in the acoustic simulation assembly, wherein the piece to be detected needs to face the detection mouth of the simulation mouth detection mechanism, and simultaneously, the acoustic simulation assembly carries out primary positioning on the piece to be detected;

b. starting the control valve, enabling the positioning assembly to act, and pressing and fixing the to-be-detected piece arranged on the acoustic simulation assembly;

c. after the pressing is in place, the sound production unit of the simulation mouth detection assembly moves; a to-be-detected piece in the acoustic simulation assembly senses the existence of the sounding unit and is in contact with the test contact point of the sounding unit;

d. conducting after contact, starting testing, and analyzing, comparing and displaying the received test data by the acoustic curve system;

e. after the test is finished, the acoustic curve stores test data and sends a finishing instruction to the main control module, the probe moving mechanism stirs the control valve, the positioning assembly restores to the initial position, and the to-be-detected piece which is finished with the test is taken down.

11. The acoustic testing method of claim 10, wherein the step b further comprises an air pressure adjusting operation for adjusting the air pressure of the positioning assembly to control the pressing force of the positioning assembly.

Technical Field

The invention relates to the technical field of acoustic testing, in particular to acoustic testing equipment and a testing method.

Background

With the development of electronic technology, various electronic products have become an indispensable part of daily life, and among them, earphones are more necessary. The earphone is an energy converter, receives an electric signal sent by a media player or a receiver, converts the electric signal into audible sound waves by using a loudspeaker part close to an ear, and is an essential accessory of portable electronic equipment such as a mobile phone, a walkman, a radio and the like. The types of earphones are various and are classified into in-ear earphones, head earphones and the like according to wearing forms, wherein the head earphones have good sound quality and are the first choice for young people to listen to music.

In the headphone trade, the function of new product is more powerful, requires functional test performance more and more high, at present, when testing the acoustics curve of earphone, will manually press the earphone and carry out the curve test, it is inconvenient to lead to the operation like this, and the earphone closely leads to the test to have the error with test fixture laminating, and so not only detection efficiency is low, causes the defective rate of product to increase easily moreover.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

Disclosure of Invention

The invention mainly aims to provide acoustic testing equipment, which aims to realize automatic pressing of a piece to be detected through the arrangement of a positioning assembly so as to solve the problems of low detection efficiency and increased yield.

In order to achieve the above object, the present invention provides an acoustic testing apparatus, comprising:

a platform support seat;

the acoustic simulation components are arranged above the platform supporting seat, the to-be-detected piece is arranged on the acoustic simulation components, the number of the acoustic simulation components is two, and the two acoustic simulation components are arranged oppositely;

the positioning assemblies are arranged above the platform supporting seat and above the acoustic simulation assemblies, can move up and down relative to the acoustic simulation assemblies so as to press or loosen the piece to be detected, and are arranged in pairs, and the two positioning assemblies are arranged oppositely;

the simulated mouth detection mechanism is arranged between the two acoustic simulation components and is provided with two detection mouths which are respectively arranged towards the two acoustic simulation components;

and the control valve is arranged on the platform supporting seat and is electrically connected with the two positioning assemblies so as to control the expansion and contraction of the two positioning assemblies.

Optionally, the acoustics emulation subassembly includes artificial ear and silica gel pad, artificial ear is located the top of platform supporting seat, the silica gel pad is located in the artificial ear, it arranges in to detect the piece on the silica gel pad, artificial ear orientation the one end of locating component sets up for the opening, so that the locating component can stretch into in the artificial ear.

Optionally, the artificial ear is upper end open-ended tubular structure, the silica gel pad is formed with the silica gel holding tank, it arranges in to detect the piece in the silica gel holding tank.

Optionally, the acoustic test equipment still includes the support frame, the support frame includes bottom plate, curb plate and roof, the both ends of curb plate connect respectively in the bottom plate with the roof, the bottom plate install in the platform supporting seat, the simulation ear install in the bottom plate.

Optionally, locating component includes cylinder, guide rail and briquetting, the guide rail install in the inboard of curb plate, and follow the direction of height of curb plate extends the setting, the cylinder install in the roof, the flexible end of cylinder is located the inboard of roof, and the orientation the artificial ear sets up, the briquetting connect in flexible end, and follow the direction of height of guide rail removes, control valve electric connection in the cylinder.

Optionally, the press block is an elastic structure.

Optionally, the simulation mouth detection mechanism comprises an installation plate and two detection heads, the installation plate is installed on the platform supporting seat, the installation plate is provided with two installation surfaces which are arranged back to back, the two detection heads are respectively installed on the two installation surfaces, and the two detection heads are respectively arranged on the two detection heads.

Optionally, the acoustic testing device further includes a main control module, and the control valve and the two detection heads are electrically connected to the main control module respectively.

Optionally, the acoustic test equipment further comprises an air pressure adjusting device, wherein the air pressure adjusting device is electrically connected to the main control module to control the pressing force of the positioning assembly.

The invention also provides an acoustic testing method, which uses the acoustic testing equipment, and the acoustic testing equipment further comprises an acoustic curve system, wherein the acoustic curve system is electrically connected with the main control module and the simulation mouth detection mechanism; the test method comprises the following steps:

a. placing a product to be detected in the acoustic simulation assembly, wherein the piece to be detected needs to face the detection mouth of the simulation mouth detection mechanism, and simultaneously, the acoustic simulation assembly carries out primary positioning on the piece to be detected;

b. starting the control valve, enabling the positioning assembly to act, and pressing and fixing the to-be-detected piece arranged on the acoustic simulation assembly;

c. after the pressing is in place, the sound production unit of the simulation mouth detection assembly moves; a to-be-detected piece in the acoustic simulation assembly senses the existence of the sounding unit and is in contact with the test contact point of the sounding unit;

d. conducting after contact, starting testing, and analyzing, comparing and displaying the received test data by the acoustic curve system;

e. after the test is finished, the acoustic curve stores test data and sends a finishing instruction to the main control module, the probe moving mechanism stirs the control valve, the positioning assembly restores to the initial position, and the to-be-detected piece which is finished with the test is taken down.

Optionally, the step b further includes an air pressure adjusting operation, and the pressing force of the positioning assembly is controlled by adjusting the air pressure of the positioning assembly.

The acoustic testing equipment comprises a platform supporting seat, an acoustic simulation component, a positioning component, a simulation mouth detection mechanism and a control valve, wherein the positioning component moves up and down to realize automatic pressing of a piece to be detected in the acoustic simulation component. Specifically, because it is earphone (left earphone and right earphone) to wait to detect the product, so acoustics emulation subassembly is equipped with two, locating component is equipped with two, will wait to detect the product (left earphone and right earphone) and arrange in two acoustics emulation subassemblies respectively, will correspond two locating component of two acoustics emulation subassemblies and move down and the pressfitting on the earphone in two acoustics emulation subassemblies, in order to realize the automatic pressfitting location to the earphone, carry out the pressfitting earphone through the operator is manual among the current earphone testing process, and the difference of pressfitting pressure can lead to the testing result to have the deviation among the earphone testing process, influence and detect the precision, lead to final finished product defective rate to increase. Therefore, the automatic pressing device realizes the automatic pressing of the detected product by arranging the positioning assembly, can control the pressing force within a certain range, and achieves the purposes of improving the detection efficiency and reducing the reject ratio of the product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an acoustic testing apparatus according to the present invention;

fig. 2 is another view of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Acoustic testing apparatus	40	Simulation mouth detection mechanism
10	Platform supporting seat	41	Detection head
				20	Acoustic simulation assembly	411	Detection nozzle
21	Artificial ear	42	Mounting plate
				22	Silica gel pad	50	Control valve
30	Positioning assembly	60	Supporting frame
				31	Cylinder	61	Base plate
32	Guide rail	62	Side plate
				33	Pressing block	63	Top board

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention proposes an acoustic testing device 100.

As shown in fig. 1 and 2, in the embodiment of the present invention, the acoustic testing apparatus 100 includes:

a platform support base 10;

the acoustic simulation components 20 are arranged above the platform supporting seat 10, the to-be-detected part is arranged on the acoustic simulation components 20, two acoustic simulation components 20 are arranged, and the two acoustic simulation components 20 are arranged oppositely;

the positioning assemblies 30 are mounted above the platform supporting seat 10 and above the acoustic simulation assembly 20, the positioning assemblies 30 can move up and down relative to the acoustic simulation assembly 20 to press or loosen the to-be-detected piece, the two positioning assemblies 30 are arranged, and the two positioning assemblies 30 are arranged oppositely;

the simulated mouth detection mechanism 40 is arranged between the two acoustic simulation assemblies 20, the simulated mouth detection mechanism 40 is provided with two detection mouths 411, and the two detection mouths 411 are respectively arranged towards the two acoustic simulation assemblies 20;

and the control valve 50 is installed on the platform support base 10, and is electrically connected to the two positioning assemblies 30 to control the extension and retraction of the two positioning assemblies 30.

The platform supporting seat 10 includes a supporting platform and supporting legs, the supporting platform is a plate-shaped structure, the supporting legs are disposed below the supporting platform, and the supporting legs are disposed on the table top or the ground to support the supporting platform. The acoustic simulation component 20, the positioning component 30 and the simulation mouth detection mechanism 40 are all arranged above the supporting platform, the acoustic simulation component 20 and the simulation mouth detection mechanism 40 are installed on the supporting platform, and the positioning component 30 is installed above the supporting platform through a supporting frame 60. Acoustic simulation subassembly 20 and locating component 30 all are equipped with two, emulation mouth detection mechanism 40 is located between two acoustic simulation subassemblies 20, and two acoustic simulation subassemblies 20 set up relatively, locating component 30 is located the top of acoustic simulation subassembly 20, be equipped with the holding tank in the acoustic simulation subassembly 20, it arranges the holding tank in to detect the piece, two locating component 30 reciprocate simultaneously under control valve 50's effect, locating component 30 moves down the pressfitting to detect the piece in acoustic simulation subassembly 20, it is nearest to set up two acoustic simulation subassemblies 20 and location, can realize detecting left earphone and right earphone simultaneously. In addition, the positioning assembly 30 can control the pressing force of the positioning assembly 30 through the air pressure control device, so that automatic pressing can be realized, each pressing force of the to-be-detected piece can be accurately controlled, the detection efficiency is improved, and meanwhile the reject ratio of the product can be reduced.

The acoustic testing equipment comprises a platform supporting seat 10, an acoustic simulation component 20, a positioning component 30, a simulation mouth detection mechanism 40 and a control valve 50, wherein the positioning component 30 moves up and down to realize automatic pressing of a piece to be detected in the acoustic simulation component 20, understandably, the acoustic simulation component 20 is used for simulating ears of a human body, the piece to be detected (earphone) is placed in the acoustic simulation component 20, the simulation mouth detection mechanism 40 is used for simulating external sound, and the earphone is close to the acoustic simulation component 20 and can detect an acoustic curve of the earphone. Specifically, because it is earphone (left earphone and right earphone) to wait to detect the product, so acoustics emulation subassembly 20 is equipped with two, locating component 30 is equipped with two, will wait to detect the product (left earphone and right earphone) and arrange two acoustics emulation subassemblies 20 respectively in, will correspond two locating component 30 of two acoustics emulation subassemblies 20 and move down and the pressfitting on the earphone in two acoustics emulation subassemblies 20, in order to realize the automatic pressfitting location to the earphone, carry out the pressfitting earphone through the operator is manual among the current earphone testing process, and the difference of pressfitting pressure can lead to the testing result to have the deviation among the earphone testing process, influence and detect the precision, lead to final finished product defective rate to increase. Therefore, the automatic pressing device realizes the automatic pressing of the detected product by arranging the positioning assembly 30, can control the pressing force within a certain range, and achieves the purposes of improving the detection efficiency and reducing the reject ratio of the product.

In this embodiment, the acoustics emulation subassembly 20 includes emulation ear 21 and silica gel pad 22, emulation ear 21 is located the top of platform supporting seat 10, silica gel pad 22 is located in the emulation ear 21, it arranges in to wait to detect the piece above silica gel pad 22, emulation ear 21 orientation the one end of locating component 30 sets up for the opening, so that locating component 30 can stretch into in the emulation ear 21. The artificial ear 21 is the tubular structure of upper end open-ended, the silica gel pad 22 is formed with the silica gel holding tank, it arranges in to detect the piece in the silica gel holding tank.

Specifically, artificial ear 21 is the tubular structure, including sleeve and base, and pedestal mounting is on support frame 60, and the sleeve is installed in the base, and the sleeve is inside to be the cavity structure, and the upper end opening, waits to detect in piece (earphone) arranges the sleeve in, locates silica gel pad 22 in the sleeve simultaneously, and the telescopic bottom is arranged in to silica gel pad 22, and silica gel pad 22 has seted up the holding tank, waits to detect piece (earphone) and lays in the holding tank to it is fixed to advance to detect the piece to the area. Understandably, the silica gel pad 22 has a certain height, so that the positioning assembly 30 can stretch into the silica gel pad, the accommodating groove is formed by the silica gel pad 22, the workpiece to be detected can be prevented from being damaged in the pressing process, and the opening at the upper end of the sleeve needs to be larger than the maximum length of the pressing block 33.

In this embodiment, the acoustic test equipment further includes a support frame 60, the support frame 60 includes a bottom plate 61, a side plate 62 and a top plate 63, two ends of the side plate 62 are respectively connected to the bottom plate 61 and the top plate 63, the bottom plate 61 is installed in the platform support seat 10, and the simulation ear 21 is installed in the bottom plate 61.

It can be understood that the bottom plate 61, the side plate 62 and the top plate 63 are connected to each other, the upper and lower ends of the side plate 62 are connected to the top plate 63 and the bottom plate 61, respectively, the supporting frame 60 is used for supporting the positioning assembly 30 and the acoustic simulation assembly 20, the acoustic simulation assembly 20 is disposed on the bottom plate 61, the positioning assembly 30 is mounted on the top plate 63 and extends along the height direction of the side plate 62, and the positioning assembly 30 is located above the acoustic simulation assembly 20. The bottom plate 61 is installed on the platform supporting seat 10, and the simulation ear 21 is installed on the bottom plate 61.

In this embodiment, the positioning assembly 30 includes a cylinder 31, a guide rail 32 and a pressing block 33, the guide rail 32 is installed in the inner side of the side plate 62 and extends along the height direction of the side plate 62, the cylinder 31 is installed in the top plate 63, the telescopic end of the cylinder 31 is located in the inner side of the top plate 63 and faces the simulated ear 21, the pressing block 33 is connected to the telescopic end and moves along the height direction of the guide rail 32, and the control valve 50 is electrically connected to the cylinder 31.

The cylinder 31, the guide rail 32 and the pressing block 33 are connected with each other, specifically, the cylinder 31 is mounted on the top plate 63, the telescopic end of the cylinder 31 penetrates through the top plate 63 and is arranged on the inner surface of the top plate 63, the guide rail 32 is mounted on the side plate 62 and extends along the height direction of the side plate 62, the pressing block 33 is arranged on the telescopic end of the cylinder 31, the control valve 50 is started, the cylinder 31 works, namely, the pressing block 33 connected to the cylinder 31 is pushed to move along the height direction of the guide rail 32 until extending into the sleeve and abutting against a piece to be detected, so that the pressing work of the piece to be detected is realized.

In this embodiment, the pressing block 33 is an elastic structure.

Specifically, the elastic structural member may be an elastic component such as a spring, rubber, or silica gel, and it can be understood that the pressing block 33 is an elastic structural member, which can prevent the pressing block 33 from being damaged in the process of pressing the to-be-detected member, and ensure the safety of pressing.

In this embodiment, the simulated nozzle detection mechanism 40 includes an installation plate 42 and two detection heads 41, the installation plate 42 is installed on the platform support 10, the installation plate 42 has two installation surfaces arranged back to back, the two detection heads 41 are respectively installed on the two installation surfaces, and the two detection nozzles 411 are respectively installed on the two detection heads 41.

It can be understood that the mounting plate 42 is a standing plate-shaped structure, the bottom of the mounting plate 42 is installed by a cross rod to serve as a supporting platform, the mounting plate 42 has a certain height to conveniently correspond to the two acoustic simulation assemblies 20, the mounting surface is provided with mounting grooves, the two mounting grooves are arranged oppositely, and the two test heads are respectively mounted in the mounting grooves to improve the mounting stability of the test heads.

In this embodiment, the acoustic testing apparatus further includes a main control module, and the control valve 50 and the two detection heads 41 are respectively and electrically connected to the main control module.

The main control module is used for controlling the overall operation of the device and providing electric energy and control modes for all components of the device, so that the main control module is respectively and electrically connected to the control valve 50 and the two detection heads 41 and can control the movement of the positioning component 30 and the detection of the simulation mouth detection mechanism 40, thereby realizing the automatic pressing detection work of the earphone and improving the detection efficiency.

In this embodiment, the acoustic test equipment further includes an air pressure adjusting device, and the air pressure adjusting device is electrically connected to the main control module to control the pressing force of the positioning assembly 30.

The air pressure adjusting device is used for controlling the stroke of the air cylinder 31, namely, the air pressure of the air cylinder 31 is adjusted through the air pressure adjusting device so as to control the displacement of the air cylinder 31 when moving downwards, namely, the pressing force of a pressing block 33 connected with the air cylinder 31 on a product to be detected.

In this embodiment, an acoustic testing method is further provided, in which the acoustic testing apparatus 100 is used, the acoustic testing apparatus 100 further includes an acoustic curve system, and the acoustic curve system is electrically connected to the main control module and the simulated mouth detecting mechanism 40; the test method comprises the following steps:

a. placing a product to be detected in the acoustic simulation assembly 20, wherein the object to be detected needs to face the detection nozzle 411 of the simulation nozzle detection mechanism 40, and simultaneously, the acoustic simulation assembly 20 performs primary positioning on the object to be detected;

b. starting the control valve 50, enabling the positioning assembly 30 to act, and pressing and fixing the to-be-detected piece arranged on the acoustic simulation assembly 20;

c. after the pressing is in place, the sound production unit of the simulation mouth detection assembly moves; the piece to be detected in the acoustic simulation assembly 20 senses the existence of the sounding unit and is in contact with the test contact point of the sounding unit;

d. conducting after contact, starting testing, and analyzing, comparing and displaying the received test data by the acoustic curve system;

e. after the test is completed, the acoustic curve stores test data and sends a completion instruction to the main control module, the probe moving mechanism stirs the control valve 50, the positioning assembly 30 restores to the initial position, and the to-be-detected piece after the test is completed is taken down.

Specifically, a product to be detected is placed in the acoustic simulation assembly 20, and the object to be detected needs to face the detection nozzle 411 of the simulation nozzle detection mechanism 40, and meanwhile, the acoustic simulation assembly 20 performs primary positioning on the object to be detected; starting the control valve 50, enabling the positioning assembly 30 to act, and pressing and fixing the to-be-detected piece arranged on the acoustic simulation assembly 20; after the pressing is in place, the sound production unit of the simulation mouth detection assembly moves; the piece to be detected in the acoustic simulation assembly 20 senses the existence of the sounding unit and is in contact with the test contact point of the sounding unit; conducting after contact, starting testing, and analyzing, comparing and displaying the received test data by the acoustic curve system; after the test is completed, the acoustic curve stores test data and sends a completion instruction to the main control module, the probe moving mechanism stirs the control valve 50, the positioning assembly 30 restores to the initial position, and the to-be-detected piece after the test is completed is taken down. The detection method can realize semi-automatic detection of the earphone, namely, a product to be detected is manually placed into the acoustic simulation assembly 20, then the product to be detected is automatically detected through the control valve 50, the positioning assembly 30 and the simulation mouth detection assembly, the detected data is analyzed and compared through the acoustic curve system, and the record is stored so as to judge the detection condition of the piece to be detected, finally, the detected product is manually taken down, and then the next product is detected, so that the detection efficiency is greatly improved.

In this embodiment, the step b further includes an air pressure adjusting operation, and the air pressure of the positioning assembly 30 is adjusted to control the pressing force of the positioning assembly 30.

Specifically, the air pressure adjusting operation is controlled by an air pressure adjusting device, and the air pressure adjusting device is used for controlling the stroke of the air cylinder 31, that is, the air pressure of the air cylinder 31 is adjusted by the air pressure adjusting device, so as to control the displacement of the air cylinder 31 when moving downwards, that is, the pressing force of the pressing block 33 connected to the air cylinder 31 on the product to be detected.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.