CN112770246A

CN112770246A - Earphone fixing structure contains its earphone electroacoustic test tool

Info

Publication number: CN112770246A
Application number: CN202110072265.2A
Authority: CN
Inventors: 蒲成刚
Original assignee: Individual
Current assignee: Dongguan Bosito Industrial Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-05-07

Abstract

The application relates to an earphone fixed knot constructs, including a first casing and a second casing, be equipped with the indent space that corresponds the setting on first casing and the second casing, the sound outlet has been seted up to the tank bottom of first casing to make fixed knot construct and have: the indent space of first casing and the indent space of second casing combine each other to form an accommodation space with the centre gripping earphone that awaits measuring, and the phonatory hole of the earphone that awaits measuring and the phonatory hole of first casing are just right, split type epitheca and inferior valve can combine each other and then fixed earphone, combine the biasing means who combines on epitheca and the inferior valve, can further play the effect of location and fastening to the test earphone, thereby make the earphone that awaits measuring accurately fixed, and its phonatory hole can laminate the mounting groove more, in order to reach the effect of test.

Description

Earphone fixing structure contains its earphone electroacoustic test tool

Technical Field

The application relates to the technical field of audio test, especially, relate to an earphone electroacoustic test fixture that earphone fixed knot constructs and contains it.

Background

In the related art, along with the rapid development and the continuous improvement of the intelligence of electronic products such as mobile phones and tablet computers, related devices or products (e.g., earphones) are also continuously updated to the intelligence. In the earphone industry, the earphone acoustic test is an important link of product quality detection and is a verification mode for ensuring that the earphone acoustics meets the customer standard. Particularly, with the appearance of a tws (true Wireless stereo) bluetooth headset, the requirement on the quality of the headset is higher and higher, the consistency of frequency response curves of a left headset and a right headset is required to be good, and the auditory perception of a user is enhanced.

The existing testing system usually adopts the mode that an earphone is placed in a testing fixture and is connected with a simulated ear, and a testing curve is obtained through testing. As shown in fig. 1, the testing fixture in the prior art includes a main body 1, a mounting groove 2 is provided on the main body 1, a sound hole 3 is provided at the bottom of the mounting groove 2, an earphone to be tested is placed in the mounting groove 2, the sound hole of the earphone is aligned to the sound hole 3 of the fixture, and then the testing is performed. The problem of the test fixture in the related art is that: in the area to be tested, a gap may exist between the earphone and the jig, which can cause air leakage or air leakage in the testing process; secondly, although the shape of the mounting groove 2 is matched with the earphone as much as possible, the earphone can not be placed in an accurate position due to various types of earphones and the human difference of mounting work, and the test result can be influenced; moreover, due to the development of the earphone, the testing needs to be performed on the acoustic hole at a specific position, and the package sealing needs to be performed on the position of the non-acoustic hole, so that the traditional one-side installation cannot meet the testing requirements of the earphone; in addition, as the use time goes by, the accuracy and consistency of the test results become worse as the flexible jig is worn.

Therefore, a new structure of an electroacoustic testing fixture for earphones is needed to solve the above problems.

Disclosure of Invention

For overcoming the problem that exists among the correlation technique, this application provides an earphone fixed knot constructs, including a first casing and a second casing, be equipped with the indent space that corresponds the setting on first casing and the second casing, the sound outlet has been seted up to the tank bottom of first casing, so that earphone fixed knot constructs has: the concave space of the first shell and the concave space of the second shell are combined with each other to form an accommodating space for clamping the earphone to be tested, and the sounding hole of the earphone to be tested is opposite to the sounding hole of the first shell.

Preferably, the sound outlet hole is peripherally provided with a containing groove with an ear hole imitating structure, and the containing groove is used for placing an ear inlet end of the earphone to be tested.

Preferably, the accommodating groove is made of a hard material, and the bottom of the accommodating groove is provided with a butting part made of a flexible material and used for bearing the earphone to be tested so as to reduce a gap between the accommodating groove and the sounding hole of the earphone to be tested.

Preferably, a first clamping piece is arranged on the first shell, a second clamping piece is arranged on the second shell, and the first clamping piece and the second clamping piece are fixed to the earphone to be tested in a clamping mode.

Preferably, a replaceable abutting boss for abutting and fixing the earphone to be tested is arranged in the concave space of the first shell and/or the second shell.

Preferably, the first shell and/or the second shell are provided with a plurality of strip/hole-shaped sound adjusting parts for communicating the outside with the accommodating space.

Preferably, the earphone testing device further comprises a positioning and pressing device, so that the first shell and the second shell are combined oppositely to press the earphone to be tested.

Preferably, the positioning and pressure applying device comprises a plurality of first magnetic attraction pieces and a plurality of second magnetic attraction pieces which are arranged on the first shell and the second shell and can attract each other, so that the earphone fixing structure is provided with: when the first shell and the second shell are close to each other, the first magnetic attraction piece and the corresponding second magnetic attraction piece are combined to compress the to-be-tested earphone.

Preferably, a plurality of elastic resetting pieces are arranged on the first shell and/or the second shell to buffer impact force generated when the first shell and the second shell are combined.

The utility model provides an earphone electroacoustic test fixture, includes artificial ear and above-mentioned arbitrary earphone fixed knot construct, artificial ear with earphone fixed knot constructs go out the sound hole and be connected.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application. Implement the scheme of this application, through an earphone fixed knot constructs, including a first casing and a second casing, be equipped with the indent space that corresponds the setting on first casing and the second shell, the sound outlet has been seted up to the tank bottom of first casing, so that fixed knot constructs has: the indent space of first casing with the indent space of second casing combines each other and forms an accommodation space and awaits measuring the earphone with the centre gripping, just the phonation hole of the earphone that awaits measuring with the phonation hole of first casing is just right, and split type epitheca and inferior valve can combine each other and then fixed earphone, combines the biasing means who combines on epitheca and the inferior valve, can further play the effect of location and fastening to the test earphone to make the earphone that awaits measuring accurately fixed to its phonation hole can laminate the mounting groove more, in order to reach the effect of test.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application, as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a schematic structural diagram of an earphone testing fixture in a conventional scheme;

fig. 2 is a schematic view (assembled) of the earphone fixing structure and the artificial ear according to the embodiment of the present application;

fig. 3 is a schematic view (disassembled) of a fixing structure and a simulated ear of the earphone according to the embodiment of the present application;

fig. 4 is a schematic view (assembled) of the first housing and the artificial ear of the earphone fixing structure according to the embodiment of the present application;

fig. 5 is a schematic view of a second housing of the earphone fixing structure according to the embodiment of the present application;

fig. 6 is a schematic cross-sectional view of a fixing structure of an earphone according to an embodiment of the present application.

The corresponding meanings of the labels in the figures are as follows:

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

As shown in fig. 2-6 of the accompanying drawings, an earphone fixing structure 100 includes a first casing 110 and a second casing 120, the first casing 110 and the second casing 120 are provided with concave spaces correspondingly arranged, that is, the first casing 110 is provided with a first concave space 131, the second casing 120 is provided with a second concave space 132, the first concave space 131 and the second concave space 132 form an accommodating space 130, and a sound outlet 111 is provided at the bottom of the first casing 110, so that the earphone fixing structure 100 has: the concave space of the first casing 110 and the concave space of the second casing 120 are combined with each other to form an accommodating space 130 for holding the earphone 300 to be tested, and the sounding hole 311 of the earphone 300 to be tested is opposite to the sounding hole 111 of the first casing 110. The first casing 110 has a receiving groove 112 with an ear-like hole structure around the sound outlet hole 111, the receiving groove 112 is used for placing the ear-in end 310 of the earphone 300 to be tested, and the other side of the receiving groove is provided with an ear-like mounting groove 114 capable of connecting with an ear-like. The second casing 120 is provided with an abutting boss 121, which can provide a supporting force for different types of earphones to be pressed against the sound outlet hole 111, and optionally, the abutting boss 121 can be independently installed and replaced, or be integrally formed on the first casing 110 or the second casing 120. As shown in fig. 2 to 6, the first housing 110 and the second housing 120 are rectangular, and it will be understood by those skilled in the art that the shape of the first housing 110 and the second housing 120 can be selected according to the requirement, such as square, circle, triangle, or other shapes.

In a preferred embodiment, the receiving groove 112 is made of a hard material, and the bottom of the receiving groove 112 is provided with an abutting portion 115 made of a flexible material. Alternatively, the receiving groove 112 may be a groove structure integrally formed on the first housing 110, and is made of plastic, metal or other hard materials; the abutting portion 115 may be made of silicon, and those skilled in the art may use any material with a certain elastic force to make an elastic ring as shown in fig. 6, so as to receive the earphone 300 to be tested to reduce a gap between the receiving groove 112 and the ear entrance end 310 of the earphone 300 to be tested, thereby avoiding an inaccurate position due to manual installation, causing problems such as air leakage and the like between the earphone 300 to be tested and the earphone fixing structure 100 due to poor sealing performance, and affecting the testing effect and efficiency. The receiving groove 112 has a shape corresponding to the shape of the in-ear end 310 of the headset 300 to be tested. Because the accommodating groove is made of hard materials or metal materials, the hardness of the accommodating groove is generally greater than that of materials used by the earphone, and the earphone 300 to be tested is in compliance with the structure of the accommodating groove 112 and is close to the sound outlet 111 under the action of gravity, so that abrasion hardly exists, the frequency and the use cost of replacing a die are reduced, and the use of a jig is not influenced.

In a preferred embodiment, the first casing 110 is provided with a first clamping member 113, the second casing 120 is provided with a second clamping member 122, and the first clamping member 113 and the second clamping member 122 clamp and fix the headset 300 to be tested. Further ensuring the installation reliability and accuracy of the earphone 300 to be tested. The first and

second clamping members

113 and 122 are optionally made of an elastic material, and a more preferable embodiment is that the first and

second housings

110 and 120 are integrally made of an elastic material. The present invention is not limited to the elastic material itself, and those skilled in the art can adopt any material with a certain elastic force, for example, in some embodiments, the elastic material is an elastic silica gel material. The first clamping member 113 and the second clamping member 122 can be disposed in a staggered manner as shown in fig. 6, so as to achieve the effect of tilting, pressing down or laterally fixing the headset, thereby making the fixation of the headset more secure.

In a preferred embodiment, the first casing 110 and/or the second casing 120 are provided with a plurality of strip/hole-shaped sound adjusting portions 140, and the sound adjusting portions 140 are used for communicating the outside with the accommodating space 130, so as to correspond to the acoustic through holes arranged on the to-be-tested earphone 300, and can be used for adjusting the air pressure.

In a preferred embodiment, the method further comprises positioning the pressing device 150 such that the first housing 110 and the second housing 120 are combined with each other to press the headset 300 to be tested. The positioning and pressing device 150 can be implemented by selecting a hinge, a buckle, a thread, a magnet, elastic glue and the like.

In a preferred embodiment, the positioning and pressing device 150 includes a plurality of first magnetic attracting elements 151 and a plurality of second magnetic attracting elements 152, which are disposed on the first casing 110 and the second casing 120 and can attract each other, so that the earphone fixing structure 100 has: when the first housing 110 and the second housing 120 are close to each other, the first magnetic attraction piece 151 and the corresponding second magnetic attraction piece 152 are combined to press the earphone 300 to be tested. As shown in fig. 4 and fig. 5 of the drawings, the first magnetic attraction element 151 and the second magnetic attraction element 152 may be installed at the edge positions of the first casing 110 and the second casing 120, the magnetic attraction elements may be low-magnetic magnets, optionally, electromagnets are used for controlled attraction, and further, locking and positioning of the fixing structure are realized by cooperating with software or hardware switches, and after the earphone is placed in, the first casing 110 and the second casing 120 may be attracted under the guidance of each other, so that the placing position of the earphone does not need to be precisely adjusted, and only the earphone 300 to be tested needs to be placed in the receiving cavity, and positioning and fixing can be completed by the positioning and pressing device 150.

In a preferred embodiment, the first housing 110 and/or the second housing 120 are provided with a plurality of elastic restoring members 160 to buffer the impact force when the first housing 110 and the second housing 120 are combined. As shown in fig. 4, it can be understood by those skilled in the art that the elastic restoring member 160 may be a restoring rubber or a buffering rubber, or a mechanical structure with a damping effect, so as to achieve the buffering effect and avoid the excessive damage to the first housing 110 and the second housing 120 caused by an external force or the existence of the positioning and pressing device 150.

As shown in fig. 3, the earphone fixing structure 100 may be utilized to form an earphone electroacoustic testing fixture, which includes a simulated ear 200 and the earphone fixing structure 100, wherein the simulated ear 200 is connected to the sound outlet 111 of the earphone fixing structure 100.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. An earphone fixing structure is characterized in that: including a first casing and a second casing, be equipped with the indent space that corresponds the setting on first casing and the second casing, the sound outlet has been seted up to the tank bottom of first casing, so that earphone fixed knot constructs and has: the concave space of the first shell and the concave space of the second shell are combined with each other to form an accommodating space for clamping the earphone to be tested, and the sounding hole of the earphone to be tested is opposite to the sounding hole of the first shell.

2. The earphone fixing structure according to claim 1, wherein: the periphery of the sound outlet hole is provided with a containing groove of an ear hole imitating structure, and the containing groove is used for placing an ear inlet end of the earphone to be tested.

3. The earphone fixing structure according to claim 2, wherein: the accommodating groove is made of a hard material, and the bottom of the accommodating groove is provided with an abutting part made of a flexible material and used for bearing the earphone to be tested so as to reduce a gap between the accommodating groove and the sounding hole of the earphone to be tested.

4. The earphone fixing structure according to claim 1, wherein: and replaceable abutting bosses for abutting and fixing the to-be-tested earphone are arranged in the concave space of the first shell and/or the second shell.

5. The earphone fixing structure according to claim 1, wherein: the earphone comprises a first shell, a second shell and a first clamping piece, wherein the first shell is provided with the first clamping piece, the second shell is provided with the second clamping piece, and the first clamping piece and the second clamping piece are fixed through clamping to form the earphone to be tested.

6. The earphone fixing structure according to claim 1, wherein: the first shell and/or the second shell are/is provided with a plurality of strip/hole-shaped sound adjusting parts which are used for communicating the outside and the accommodating space.

7. The earphone fixing structure according to claim 1, wherein: the earphone to be tested is characterized by further comprising a positioning and pressing device, so that the first shell and the second shell are combined oppositely to compress the earphone to be tested.

8. The earphone fixing structure according to claim 7, wherein: the positioning and pressure applying device comprises a first magnetic attraction piece and a second magnetic attraction piece which are arranged on the first shell and the second shell and can attract each other, so that the earphone fixing structure is provided with: when the first shell and the second shell are close to each other, the first magnetic attraction piece and the corresponding second magnetic attraction piece are combined to compress the to-be-tested earphone.

9. The earphone fixing structure according to claim 1, wherein: the first shell and/or the second shell are/is provided with a plurality of elastic resetting pieces so as to buffer impact force generated when the first shell and the second shell are combined.

10. The utility model provides an earphone electroacoustic test fixture which characterized in that: comprising a dummy ear and the earphone fixing structure of any one of claims 1 to 9, the dummy ear being connected to the sound outlet hole of the earphone fixing structure.