CN219068368U - Earphone air tightness testing device and tool thereof - Google Patents
Earphone air tightness testing device and tool thereof Download PDFInfo
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- CN219068368U CN219068368U CN202223202865.5U CN202223202865U CN219068368U CN 219068368 U CN219068368 U CN 219068368U CN 202223202865 U CN202223202865 U CN 202223202865U CN 219068368 U CN219068368 U CN 219068368U
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Abstract
The utility model discloses an earphone air tightness testing device and a tooling thereof, wherein the earphone air tightness testing tooling comprises a testing container, a detecting position for placing an earphone is arranged on the testing container, and a plurality of air tightness testing positions of the earphone are all positioned in the testing container; the earphone air tightness testing tool further comprises a plurality of air pipes which are respectively communicated with the corresponding air tightness testing parts so as to convey air for air tightness testing; the earphone air tightness testing tool further comprises a pressure testing assembly, and the pressure testing assembly is used for testing pressure changes of each air pipe. According to the earphone air tightness testing tool, each air tightness testing part of the earphone is independently tested, so that specific air leakage points of the earphone can be directly tested, the testing efficiency is improved, the labor intensity of operators is reduced, the working efficiency of the operators is improved, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electronic product testing, in particular to an earphone air tightness testing device and a tool thereof.
Background
The quality detection is required before the electronic product leaves the factory, and the product which needs to be subjected to the air tightness detection is generally detected by adopting an air tightness detector. However, the existing air tightness detector has the defects of long detection period and complicated operation, and is not suitable for the flow operation on a production line.
Homemade air tightness detection tools are used in workshops. For example, wireless headphones require an air tightness test during assembly. After the charging head of the wireless earphone is connected to the earphone body through the hot melt adhesive, whether the air tightness detection needs to be carried out on the joint of the charging head and the earphone body and whether the microphone leaks air or not, at present, the used air tightness detection tool can only place each detection point of the wireless earphone in a closed space to carry out integral air tightness detection, if the detection point leaks air, the specific detection point can not be determined, only the unqualified product can be judged, a lot of inconvenience is brought to subsequent repair work, the repair workload is increased, the production cost is increased, and the economic benefit of enterprises is reduced.
Disclosure of Invention
In order to overcome the defects, the first technical problem solved by the utility model is to provide the earphone air tightness testing tool which can directly test specific air leakage points of the earphone, improve testing efficiency, reduce labor intensity of operators, improve working efficiency of the operators and reduce production cost.
The utility model relates to an earphone air tightness test tool, which comprises a test container, wherein a detection position for placing an earphone is arranged on the test container, and a plurality of air tightness test positions of the earphone are all positioned in the test container; the air pipes are respectively communicated with the corresponding air tightness test positions so as to convey air tightness test gas; and the pressure testing assembly is used for testing the pressure change of each air pipe.
Further, the pressure testing assembly comprises an air pressure controller, and each air pipe is communicated with the air pressure controller; the pressure test assembly comprises a pressure test piece arranged on each air pipe.
Further, the earphone is a wireless earphone, the wireless earphone comprises an ear stem, and the air tightness testing part of the ear stem comprises a shell joint and an acoustic opening; the acoustic opening is defined as a first air tightness test part, and the connecting part of the shell is defined as a second air tightness test part; the two air pipes are respectively a first air pipe and a second air pipe, and when the first air tightness test part and the second air tightness test part are subjected to air tightness test, the first air tightness test part and the second air tightness test part are positioned in the test container; the air outlet end of the first air pipe covers the acoustic opening; and the air outlet end of the second air pipe extends into the test container.
Further, the air outlet end of the first air pipe is provided with a first sealing piece, a sealing area is defined by the first sealing piece and the ear handle part, and the acoustic opening is located in the sealing area.
Further, a through hole is formed in the test container, and a second sealing piece is arranged at the through hole.
Further, the pressure test assembly comprises a first pressure test piece and a second pressure test piece which are respectively used for testing the pressure change of the first air pipe and the second air pipe.
Further, the first pressure test piece is arranged at the air outlet end of the first air pipe; the second pressure test piece is arranged at the air outlet end of the second air pipe.
Further, the first pressure test piece is arranged on the first sealing piece; the second pressure test piece is arranged on the inner wall of the test container.
Based on a general inventive concept, the second technical problem to be solved by the utility model is to provide the earphone air tightness testing device which can directly test specific air leakage points of the earphone, improve testing efficiency, reduce labor intensity of operators, improve working efficiency of the operators and reduce production cost.
The earphone air tightness testing device comprises the earphone air tightness testing tool.
Further, the earphone air tightness testing device further comprises a base, and the testing container is arranged on the base through a mounting plate.
After the technical scheme is adopted, the earphone air tightness testing tool has the beneficial effects that the earphone air tightness testing tool comprises a testing container, the testing container is provided with a detection position for placing an earphone, and a plurality of air tightness testing positions of the earphone are all positioned in the testing container; the earphone air tightness testing tool further comprises a plurality of air pipes which are respectively communicated with the corresponding air tightness testing parts so as to convey air for air tightness testing; the earphone air tightness testing tool further comprises a pressure testing assembly, and the pressure testing assembly is used for testing pressure changes of each air pipe. According to the earphone air tightness testing tool, each air tightness testing part of the earphone is independently tested, so that specific air leakage points of the earphone can be directly tested, the testing efficiency is improved, the labor intensity of operators is reduced, the working efficiency of the operators is improved, and the production cost is reduced.
Drawings
Fig. 1 is a perspective view of an embodiment one of an earphone air tightness test fixture of the present utility model;
fig. 2 is a schematic structural diagram of an embodiment one of an earphone air tightness test tool according to the present utility model;
fig. 3 is a perspective view of an earphone air tightness test fixture (with the test container and the mounting plate removed) according to an embodiment one of the earphone air tightness test fixture of the present utility model;
fig. 4 is a schematic structural diagram of a second embodiment of the earphone air tightness test tool of the present utility model;
fig. 5 is a perspective view of a wireless earphone for performing an air-tightness test using the earphone air-tightness test device of the present utility model;
in the figure: 1. a mounting plate; 2. a test container; 3. an air pressure controller; 4. a first air tube; 5. a second air pipe; 6. a first seal; 7. a second seal; 8. a wireless earphone; 81. a body; 82. a charging end; 821. an acoustic opening; 9. a gas supply tank; 10. a valve A; 11. and a valve B.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
Embodiment one:
referring to fig. 1, fig. 2, and fig. 3 together, an earphone air tightness testing tool includes a testing container 2, a detecting position for placing an earphone is arranged on the testing container 2, and a plurality of air tightness testing positions of the earphone are all located inside the testing container 2.
The earphone air tightness testing tool further comprises a plurality of air pipes, and the air pipes are used for providing air tightness testing air when the air tightness testing is carried out on the corresponding air tightness testing positions.
The earphone air tightness test fixture further comprises a pressure test assembly, the pressure test assembly is used for testing pressure change of each air pipe, and when the pressure test assembly detects that the pressure in one or more air pipes is reduced, air leakage of one or more corresponding air tightness test positions is indicated, and the air tightness test is failed.
Preferably, the pressure testing assembly includes a pneumatic controller 3, each air tube being in communication with the pneumatic controller 3. The air pressure controller 3 is an outsourcing part, and the structure and working principle of the air pressure controller 3 are common knowledge or conventional technical means for those skilled in the art, and are not described herein.
Each air pipe is communicated with the air pressure controller 3; the pressure test assembly includes a pressure test piece disposed on each of the air tubes.
As shown collectively in connection with fig. 1, 3, and 5, it is further preferred that the headset is a wireless headset 8, the wireless headset 8 being in circulation in the current market.
The wireless headset 8 includes an ear stem portion, the air tightness test portion of which includes a housing connection and an acoustic opening 821. The ear handle portion comprises a housing comprising a body 81 and a charging end 82 connected together, the charging end 82 being glued to the body 81 by means of hot melt glue. The junction of the body 81 and the charging end 82 is a housing junction, and the acoustic opening 821 is open at the charging end. At the acoustic opening 821, a built-in microphone (not shown in the figure) is provided, which is attached to the charging terminal 82 by PSA.
The acoustic opening 821 is defined as a first air tightness test portion through which the air tightness of the microphone, i.e., whether the microphone leaks air, is tested.
The housing connection is defined as a second air tightness test portion, through which the air tightness of the housing connection is tested, i.e., whether the connection of the main body 81 and the charging terminal 82 leaks air or not is tested.
The air pipes are provided with two air pipes, namely a first air pipe 4 and a second air pipe 5, the first air pipe 4 and the second air pipe 5 are communicated with the air pressure controller 3, and the air pressure controller 3 is simultaneously communicated with an external air source (not shown in the figure) for providing air.
When the first air tightness test part and the second air tightness test part are subjected to air tightness test, the first air tightness test part and the second air tightness test part are positioned inside the test container 2, and the upper part of the main body 81 of the wireless earphone 8 is positioned outside the test container 2 and is in the atmosphere; the outlet end of the first air duct 4 covers the acoustic opening 821; the outlet end of the second air pipe 5 extends into the interior of the test vessel 2.
Preferably, a first seal 6 is provided at the outlet end of the first air tube 4, the first seal 6 and the charging end 82 of the ear portion together enclosing a sealing area, the acoustic opening 821 being located in the sealing area.
It is further preferred that a through hole is provided on the test container 2 through which the wireless headset 8 is inserted into the test container 2, and that a second seal 7 is provided at the through hole.
The following describes in detail the process of performing the air tightness test on the air tightness test part one and the air tightness test part two of the wireless earphone 8 by using the earphone air tightness test tool of the present embodiment as follows:
the wireless earphone 8 is inserted into the test container 2 through the through hole of the test container 2, the first air tightness test part and the second air tightness test part are both positioned in the test container 2, and the upper part of the wireless earphone 8 is positioned outside the test container 2 and in the atmospheric environment.
The first seal 6 covers the acoustic opening 821 such that the acoustic opening 821 is located within the sealed area enclosed by the first seal 6 and the charging end 82. The second air tube 5 is inserted directly into the interior of the test receptacle 2.
After the air pressure is regulated by the air pressure controller 3, an external air supply source provides test air for the first air pipe 4 and the second air pipe 5 through the air pressure controller 3.
If the microphone leaks, the test gas in the first gas pipe 4 flows upward along the main body 81 and finally overflows into the atmosphere through the upper portion of the main body 81, so that the gas pressure of the first gas tightness test site is lowered.
If the junction between the main body 81 and the charging end 82 leaks, the test gas in the second gas pipe 5 flows upward along the main body 81 and finally overflows into the atmosphere through the upper portion of the main body 81, so that the air pressure of the second air tightness test part is reduced.
The air pressure controller 3 is electrically connected with an external upper computer (not shown in the figure), and judges whether the air pressure of the first air tightness test part and the second air tightness test part is reduced or not according to the information displayed by the display of the upper computer, so that whether the air tightness test part I and the air tightness test part leak air or not can be judged.
The structure and working principle of the connection between the air pressure controller 3 and the upper computer and the process of judging whether the air pressure is reduced by displaying information through the display are well known to those skilled in the art, and will not be described in detail herein.
Embodiment two:
as shown in connection with fig. 4, the pressure test assembly of the present embodiment includes a pressure test piece provided on each of the air pipes. The pressure test piece preferably employs a pressure sensor, or other conventional pressure test piece capable of testing pressure.
The pressure test assembly comprises a first pressure test piece (shown in the figure) and a second pressure test piece (shown in the figure) for testing the pressure variations of the first air tube 4 and the second air tube 5, respectively.
Preferably, the first pressure test piece is arranged at the air outlet end of the first air pipe 4; the second pressure test piece is arranged at the air outlet end of the second air pipe 5.
Further preferably, the first pressure test piece is provided on the first seal 6; the second pressure test piece is arranged on the inner wall of the test container 2.
Still further preferably, the first air pipe 4 and the second air pipe 5 are both communicated with an air supply tank 9 for supplying the test gas, and after the pressure is regulated, the test gas with constant pressure is temporarily stored in the air supply tank 9, and the air supply tank 9 is used for supplying the test gas with constant pressure to the first air pipe 4 and the second air pipe 5. The first air pipe 4 is provided with a valve a10, and the second air pipe 5 is provided with a valve B11. The valve A10 is used for controlling the on-off of the test gas in the first gas pipe 4, and the valve B11 is used for controlling the on-off of the test gas in the second gas pipe 5.
The rest of the structure is the same as that of the first embodiment.
The following describes in detail the process of performing the air tightness test on the air tightness test portion one and the air tightness test portion two of the wireless headset 8 by using the air tightness test tool of the present embodiment:
the wireless earphone 8 is inserted into the test container 2 through the through hole of the test container 2, the first air tightness test part and the second air tightness test part are both positioned in the test container 2, and the upper part of the wireless earphone 8 is positioned outside the test container 2 and in the atmospheric environment.
The first seal 6 covers the acoustic opening 821 such that the acoustic opening 821 is located within the sealed area enclosed by the first seal 6 and the charging end 82. The second air tube 5 is inserted directly into the interior of the test receptacle 2.
After the constant-pressure test gas subjected to pressure regulation is conveyed to the gas supply tank 9, the valve A10 and the valve B11 are opened, and the gas supply tank supplies the test gas with preset pressure to the first gas pipe 4 and the second gas pipe 5.
If the microphone leaks, the test gas in the first gas pipe 4 flows upward along the main body 81 and finally overflows into the atmosphere through the upper portion of the main body 81, so that the gas pressure of the first gas tightness test site is lowered.
If the junction between the main body 81 and the charging end 82 leaks, the test gas in the second gas pipe 5 flows upward along the main body 81 and finally overflows into the atmosphere through the upper portion of the main body 81, so that the air pressure of the second air tightness test part is reduced.
The first pressure test piece and the second pressure test piece are electrically connected with an external upper computer, and whether the air pressure of the first air tightness test part and the air tightness test part is reduced or not is judged through the upper computer, so that whether the air tightness test part I and the air tightness test part leak air or not can be judged.
The structure, the working principle, and the process of judging whether the air pressure is reduced or not through the information fed back to the upper computer by the first pressure test piece and the second pressure test piece, which are all connected with the external upper computer, are common knowledge for the person skilled in the art, and are not repeated here.
After the test is completed, the valve A10 and the valve B11 are closed.
Embodiment III:
the utility model also discloses a device for testing the air tightness of the earphone, which comprises the earphone air tightness testing tool of the first embodiment or the second embodiment.
Preferably, the earphone air tightness testing device further comprises a base (not shown in the figure), and the test container 2 of the earphone air tightness testing tool is fixedly arranged on the mounting plate 1 and is arranged on the base through the mounting plate 1.
Technical features (such as a first air pipe, a second air pipe, a first pressure test piece, a second pressure test piece, a valve A, a valve B, etc.) with serial numbers are referred to in the specification, and are merely for distinguishing the technical features, and do not represent the positional relationship, the installation sequence, the working sequence, etc. among the technical features.
In the description of the present specification, it should be understood that the orientation or positional relationship described with respect to "inside", "outside", "inner wall", "upward", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
The present utility model is not limited to the above-described specific embodiments, and various modifications are possible within the scope of the present utility model without inventive work by those skilled in the art from the above-described concepts.
Claims (10)
1. The earphone air tightness testing tool is characterized by comprising a testing container, wherein a detection position for placing an earphone is arranged on the testing container, and a plurality of air tightness testing positions of the earphone are all positioned in the testing container;
the air pipes are respectively communicated with the corresponding air tightness test positions so as to convey air tightness test gas;
and the pressure testing assembly is used for testing the pressure change of each air pipe.
2. The tool for testing the air tightness of the earphone according to claim 1, wherein the pressure testing assembly comprises an air pressure controller, and each air pipe is communicated with the air pressure controller; the pressure test assembly comprises a pressure test piece arranged on each air pipe.
3. The earphone air tightness test fixture according to claim 2, wherein the earphone is a wireless earphone, the wireless earphone comprises an ear stem portion, the air tightness test portion of the ear stem portion comprises a housing connection and an acoustic opening; the acoustic opening is defined as a first air tightness test part, and the connecting part of the shell is defined as a second air tightness test part; the two air pipes are respectively a first air pipe and a second air pipe, and when the first air tightness test part and the second air tightness test part are subjected to air tightness test, the first air tightness test part and the second air tightness test part are positioned in the test container; the air outlet end of the first air pipe covers the acoustic opening; and the air outlet end of the second air pipe extends into the test container.
4. The earphone air tightness test fixture according to claim 3, wherein the air outlet end of the first air pipe is provided with a first sealing member, the first sealing member and the ear stem part jointly enclose a sealing area, and the acoustic opening is located in the sealing area.
5. The earphone air tightness test fixture according to claim 1, wherein a through hole is formed in the test container, and a second sealing member is disposed at the through hole.
6. The tool for testing the air tightness of the earphone according to claim 4, wherein the pressure testing assembly comprises a first pressure testing piece and a second pressure testing piece, and the first pressure testing piece and the second pressure testing piece are used for testing pressure changes of the first air pipe and the second air pipe respectively.
7. The earphone air tightness test fixture according to claim 6, wherein the first pressure test piece is arranged at an air outlet end of the first air pipe; the second pressure test piece is arranged at the air outlet end of the second air pipe.
8. The earphone air tightness test fixture according to claim 6, wherein said first pressure test piece is disposed on said first sealing piece; the second pressure test piece is arranged on the inner wall of the test container.
9. An earphone air tightness testing device, characterized by comprising the earphone air tightness testing tool according to any of claims 1 to 8.
10. The earphone air-tightness testing device according to claim 9, wherein said earphone air-tightness testing device further comprises a base, said test container being disposed on said base by a mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223202865.5U CN219068368U (en) | 2022-11-30 | 2022-11-30 | Earphone air tightness testing device and tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223202865.5U CN219068368U (en) | 2022-11-30 | 2022-11-30 | Earphone air tightness testing device and tool thereof |
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| Publication Number | Publication Date |
|---|---|
| CN219068368U true CN219068368U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223202865.5U Active CN219068368U (en) | 2022-11-30 | 2022-11-30 | Earphone air tightness testing device and tool thereof |
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| CN (1) | CN219068368U (en) |
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- 2022-11-30 CN CN202223202865.5U patent/CN219068368U/en active Active
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