CN220273827U - Pneumatic earphone unit - Google Patents
Pneumatic earphone unit Download PDFInfo
- Publication number
- CN220273827U CN220273827U CN202320816708.9U CN202320816708U CN220273827U CN 220273827 U CN220273827 U CN 220273827U CN 202320816708 U CN202320816708 U CN 202320816708U CN 220273827 U CN220273827 U CN 220273827U
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- magnetic
- magnetic conduction
- diaphragm
- pneumatic
- earphone unit
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- 238000009434 installation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model discloses a pneumatic earphone unit which comprises a vibrating diaphragm assembly, a magnetic assembly and a wiring board, wherein the magnetic assembly comprises a front magnetic conduction plate, a magnetic conduction ring, a magnetic piece and a rear magnetic conduction plate, the front magnetic conduction plate is attached to one end of the magnetic conduction ring, the rear magnetic conduction plate is attached to the other end of the magnetic conduction ring, an installation space is formed between the front magnetic conduction plate and the rear magnetic conduction plate, the vibrating diaphragm assembly is arranged in the installation space, the magnetic piece is attached to one surface of the rear magnetic conduction plate, which is close to the magnetic conduction ring, the wiring board is attached to the other surface of the rear magnetic conduction plate, and the wiring board is electrically connected with the vibrating diaphragm assembly; by the arrangement, the space inside the magnetic conduction ring is fully utilized, so that the thickness of the pneumatic earphone unit is smaller, and the sensitivity is improved.
Description
Technical Field
The utility model relates to the technical field of earphones, in particular to a pneumatic earphone unit.
Background
The earphone is an indispensable electronic product accessory in people's daily life, and the earphone unit is the important part of the sound production of earphone, often decides the quality of earphone, and it can let its vibrating member vibration air under electric drive through receiving the analog signal of sound source, and the air of being vibrated produces the pressure wave to produce sound.
In the prior art, there are various types of earphone units, in which a pneumatic sound generating unit is applied to an earphone because it has an excellent effect in high frequency performance. A magnetic circuit is formed by using a magnetic conduction plate and a magnetic component, a piece of folding film is arranged in the magnetic circuit, after receiving an electric signal, the changing magnetic circuit enables the film to vibrate left and right, and air vibrates to generate sound waves.
In the existing pneumatic sound production unit assembling process, when the magnetic assembly is assembled, a plurality of strip magnets are required to be respectively arranged in the magnet support, so that the assembly is complex, and the production time is prolonged. And the magnetic assembly formed by multiple parts occupies large space, so that the volume of the whole pneumatic sounding unit is increased, and thinner product thickness cannot be considered.
Disclosure of Invention
In view of the shortcomings of the prior art, a pneumatic earphone unit is provided.
In order to achieve the above-mentioned purpose, the utility model provides a pneumatic earphone unit, which comprises a vibrating diaphragm assembly, a magnetic assembly and a wiring board, wherein the magnetic assembly comprises a front magnetic conduction plate, a magnetic conduction ring, a magnetic piece and a rear magnetic conduction plate, the front magnetic conduction plate is attached to one end of the magnetic conduction ring, the rear magnetic conduction plate is attached to the other end of the magnetic conduction ring, an installation space is formed between the front magnetic conduction plate and the rear magnetic conduction plate, the vibrating diaphragm assembly is arranged in the installation space, the magnetic piece is attached to one surface of the rear magnetic conduction plate, which is close to the magnetic conduction ring, the wiring board is attached to the other surface of the rear magnetic conduction plate, and the wiring board is electrically connected with the vibrating diaphragm assembly.
According to one embodiment of the utility model, the diaphragm assembly comprises a diaphragm and a diaphragm fixing member, and the diaphragm is arranged in the diaphragm fixing member.
According to one embodiment of the utility model, the membrane is folded.
According to one embodiment of the utility model, the diaphragm fixing member is formed with a fixing position, and the diaphragm is embedded in the fixing position.
According to an embodiment of the utility model, the magnetic member is provided in a sheet form.
According to an embodiment of the present utility model, the magnetic member is formed with a through hole.
According to one embodiment of the utility model, the front magnetic guide plate is formed with a plurality of round holes, and the round holes are uniformly distributed.
According to one embodiment of the present utility model, the magnetic member is made of Ru-Fe-B material.
According to an embodiment of the present utility model, the diaphragm assembly, the magnetic assembly and the wiring board are located on the same axis.
The utility model also provides a headset comprising a headset unit as described in any of the preceding claims.
The vibrating diaphragm assembly has the beneficial effects that the front magnetic conduction plate and the rear magnetic conduction plate are respectively attached to the two ends of the magnetic conduction ring, so that the front magnetic conduction plate and the rear magnetic conduction plate form an installation space, and the vibrating diaphragm assembly and the magnetic piece are accommodated in the installation space. By the arrangement, the space inside the magnetic conduction ring is fully utilized, so that the thickness of the pneumatic earphone unit is smaller, and the sensitivity is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is an exploded view of a pneumatic earphone unit in an embodiment;
fig. 2 is a cross-sectional view of the air-operated earphone unit in the embodiment.
Description of the reference numerals
1-a vibrating diaphragm assembly; 2-magnetic assembly; 3-wiring board; 11-a membrane; 12-a diaphragm fixing piece; 21-a front magnetically permeable plate; 22-magnetic ring; 23-magnetic member; 24-a rear magnetic conduction plate; 121-fixing the position; 211-round holes; 231-through holes.
Detailed Description
Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1, fig. 1 is an exploded view of a pneumatic earphone unit. The embodiment provides a pneumatic earphone unit, which comprises a vibrating diaphragm assembly 1, a magnetic assembly 2 and a wiring board 3. The magnetic component 2 generates a magnetic loop after being electrified, the vibrating diaphragm component 1 is positioned in the magnetic loop, and the wiring board 3 is electrically connected with the vibrating diaphragm component 1. When the wiring board 3 transmits an electric signal to the diaphragm assembly 1, a magnetic circuit is generated inside the magnetic assembly 2, and by a change in the electric signal, the magnetic circuit is changed, so that the diaphragm assembly 1 vibrates and emits sound.
Referring to fig. 2, fig. 2 is a cross-sectional view of the air-powered earphone unit. The magnetic assembly 2 includes a front magnetic plate 21, a magnetic ring 22, a magnetic member 23 and a rear magnetic plate 24, wherein the front magnetic plate 21 is attached to one end of the magnetic ring 22, the rear magnetic plate 24 is attached to the other end of the magnetic ring 22, that is, the front magnetic plate 21 and the rear magnetic plate 24 are attached to two ends of the magnetic ring 22, so that an installation space 25 is formed between the front magnetic plate 21 and the rear magnetic plate 24, and the diaphragm assembly 1 is disposed in the installation space 25.
In this embodiment, the front magnetic conductive plate 21 is attached to one end of the magnetic conductive ring 22 in an adhesive manner, the rear magnetic conductive plate 24 is attached to the other end of the magnetic conductive ring 22 in an adhesive manner, the side wall of the magnetic conductive ring 22 has a certain height, an installation space 25 is formed between the front magnetic conductive plate 21 and the rear magnetic conductive plate 24 after adhesion, and the diaphragm assembly 1 is accommodated in the installation space 25. By this arrangement, the space inside the magnetic ring 22 is fully utilized, and the thickness of the air-operated earphone unit is made smaller while the utilization of the space is enhanced.
The magnetic piece 23 is attached to one surface of the rear magnetic conductive plate 24 close to the magnetic conductive ring 22, and the wiring board 3 is connected to the other surface of the rear magnetic conductive plate 24. Specifically, the magnetic member 23 is adhered to one side of the rear magnetic conductive plate 24 close to the magnetic conductive ring 22 by using an adhesive, so that the magnetic member 23 is also located in the installation space 25, and the magnetic member 23, the front magnetic conductive plate 21, the magnetic conductive ring 22 and the rear magnetic conductive ring 22 are combined and electrically conductive to form a magnetic circuit. The vibrating diaphragm assembly 1 is located in the magnetic loop, and the magnetic assembly 2 can effectively control the vibrating diaphragm assembly 1, so that the sensitivity of the pneumatic earphone unit is improved.
The wiring board 3 is adhered to the side, away from the magnetic piece 23, of the rear magnetic conductive plate 24, so that the subsequent earphone assembly is facilitated. Specifically, one end of the wire may be welded to the wiring board 3 during assembly, and the other end of the wire may be welded to the diaphragm assembly 1. After conducting electricity, the magnetic field generated by the upper magnetic piece 23 is matched, so that the vibrating diaphragm assembly 1 vibrates and generates sound waves.
The magnetic member 23 is formed in an integral sheet shape. During assembly, an adhesive, such as special glue, can be used to adhere the magnetic piece 23 to the rear magnetic conductive plate 24, so that the assembly is convenient. And the sheet-like design reduces the thickness of the magnetic member 23 itself, and after assembly, the magnetic member 23 is located in the installation space 25, and the internal space of the magnetic assembly 2 is further utilized, so that the volume of the pneumatic earphone unit is reduced.
In addition, in order to ensure the strong magnetism of the magnetic piece 23, the magnetic piece 23 is made of Ru-Fe-B material, so that the magnetic property is enhanced, and meanwhile, the frequency response range of the pneumatic earphone unit is improved, and the pneumatic earphone unit can balance the frequency response of low frequency, medium frequency and high frequency.
The magnetic member 23 is formed with a through hole 231. In this embodiment, a through hole 231 is formed in the center of the magnetic member 23 by using a laser or cutting method, and the through hole 231 is designed as a waist-shaped hole, so as to further increase the magnetic induction intensity, thereby increasing the utilization rate of the magnetic field, and facilitating subsequent acoustic tuning.
The diaphragm assembly 1 comprises a diaphragm 11 and a diaphragm fixing piece 12, wherein the diaphragm 11 is arranged in the diaphragm fixing piece 12, and the diaphragm fixing piece plays a role in fixing the diaphragm and improves the convenience in mounting the diaphragm 11.
During assembly, the diaphragm 11 is placed in the diaphragm fixing piece 12, and the diaphragm fixing piece 12 is electrically connected with the wiring board 3 by using a wire. Specifically, one ends of two wires are welded to opposite sides of the diaphragm fixing member 12, respectively, and the other ends of the two wires are welded to the wiring board 3. The diaphragm 11 and the diaphragm mount 12 are placed in the mounting space 25 formed by the magnetic assembly 2. When the wiring board 3 sends an electric signal to the diaphragm fixing member 12, the magnetic assembly 2 forms a magnetic circuit inside after being conductive, the diaphragm 11 vibrates in the changed magnetic circuit, and an occurrence effect is achieved by extruding air.
In this embodiment, the diaphragm 11 is folded, and then the diaphragm 11 is mounted in the diaphragm fixing member 12, so that the occupied space of the diaphragm 11 is reduced, and the sound density is maintained. After the diaphragm fixing piece 12 receives the electric signal sent by the wiring board 3, a magnetic circuit is generated in the magnetic assembly 2, and the folded diaphragm 11 vibrates back and forth in the changed magnetic circuit to force air to generate sound waves.
Further, the diaphragm fixing member 12 is formed with fixing portions 121, tooth-shaped fixing portions 121 are provided along opposite sides of a peripheral wall of the diaphragm fixing member 12, and the shape of the fixing portions 121 corresponds to the folded diaphragm 11. When the folded diaphragm 11 is mounted on the diaphragm mount 12, the diaphragm 11 is fitted into the mount 121. When the diaphragm 11 vibrates and sounds, the two ends of the diaphragm 11 are fixed in the fixing positions 121, and no displacement occurs due to vibration.
In addition, the front magnetic conductive plate 21 is formed with a plurality of circular holes 211, the plurality of circular holes 211 are uniformly arranged and distributed, the plurality of circular holes 211 are communicated with the installation space, and sound waves generated by the diaphragm assembly 1 are transmitted out of the plurality of circular holes 211. Meanwhile, the design of the plurality of evenly distributed round holes 211 enables the magnetic loops generated by the magnetic assembly 2 to be evenly distributed, so that the film 11 stably vibrates.
During installation, the vibrating diaphragm assembly 1, the magnetic assembly 2 and the wiring board 3 are all located on the same axis, the rear magnetic conduction board 24 is bonded with the wiring board 3, and then the magnetic piece 23 and the magnetic conduction ring 22 are bonded on one surface of the rear magnetic conduction board 24, which is away from the wiring board 3. Meanwhile, after the diaphragm 11 is processed into a folded shape, the diaphragm 11 and the diaphragm fixing piece 12 are assembled to form the diaphragm assembly 1, the diaphragm fixing piece 12 is electrically connected with the wiring board 3 by a wire, the diaphragm assembly 1 is installed in the magnetic conduction ring 22, and finally the front magnetic conduction plate 21 is adhered to one end of the magnetic conduction ring 22 far away from the rear magnetic conduction plate 24, so that the assembly can be completed.
Meanwhile, the magnetic piece 23 is made of Ru-Fe-B material and is of an integrated sheet-shaped design. Thus, the thickness of the magnetic member 23 itself is reduced, and the thickness can be reduced while ensuring the strong magnetism.
In another embodiment, a headset is provided that includes a pneumatic headset unit as described in any of the above, and the discussion is not repeated here.
In summary, this embodiment provides a pneumatic earphone unit, wherein the front magnetic conductive plate 21 and the rear magnetic conductive plate 24 are respectively attached to two ends of the magnetic conductive ring 22, so that the front magnetic conductive plate 21 and the rear magnetic conductive plate 24 form an installation space 25, and the diaphragm assembly 1 and the magnetic member 23 are both accommodated in the installation space 25. By this arrangement, the space inside the magnetic ring 22 is fully utilized, so that the thickness of the air-powered earphone unit is smaller, and the sensitivity is improved.
The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.
Claims (10)
1. A pneumatic earphone unit, comprising: vibrating diaphragm subassembly (1), magnetic subassembly (2) and wiring board (3), magnetic subassembly (2) are including preceding magnetic conduction board (21), magnetic conduction ring (22), magnetic part (23) and back magnetic conduction board (24), preceding magnetic conduction board (21) laminate in one of them one end of magnetic conduction ring (22), back magnetic conduction board (24) laminate in the other end of magnetic conduction ring (22), preceding magnetic conduction board (21) with form installation space (25) between back magnetic conduction board (24), vibrating diaphragm subassembly (1) are located in installation space (25), magnetic part (23) laminate in back magnetic conduction board (24) are close to one side of magnetic conduction ring (22), wiring board (3) laminate in the another side of back magnetic conduction board (24), wiring board (3) with vibrating diaphragm subassembly (1) electric connection.
2. A pneumatic earphone unit as claimed in claim 1, wherein the diaphragm assembly (1) comprises a diaphragm (11) and a diaphragm mount (12), the diaphragm (11) being mounted in the diaphragm mount (12).
3. A pneumatic earphone unit as claimed in claim 2, wherein the membrane (11) is folded.
4. A pneumatic earphone unit as claimed in claim 2, wherein the diaphragm holder (12) is formed with a fixing location (121), the diaphragm (11) being fitted in the fixing location (121).
5. A pneumatic earphone unit according to claim 1, characterized in that the magnetic member (23) is provided in the form of a sheet.
6. Pneumatic earphone unit according to claim 1, characterized in that the magnetic member (23) is formed with a through hole (231).
7. A pneumatic earphone unit as claimed in claim 1, wherein the front magnetic conductive plate (21) is formed with a plurality of circular holes (211), and a plurality of the circular holes (211) are uniformly arranged and distributed.
8. A pneumatic earphone unit as claimed in claim 1, wherein the magnetic member (23) is made of a ru-fe-b material.
9. A pneumatic earphone unit as claimed in claim 1, characterized in that the diaphragm assembly (1), the magnetic assembly (2) and the terminal block (3) are located on the same axis.
10. An earphone comprising a pneumatic earphone unit as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816708.9U CN220273827U (en) | 2023-04-12 | 2023-04-12 | Pneumatic earphone unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320816708.9U CN220273827U (en) | 2023-04-12 | 2023-04-12 | Pneumatic earphone unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220273827U true CN220273827U (en) | 2023-12-29 |
Family
ID=89312100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320816708.9U Active CN220273827U (en) | 2023-04-12 | 2023-04-12 | Pneumatic earphone unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220273827U (en) |
-
2023
- 2023-04-12 CN CN202320816708.9U patent/CN220273827U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 516000, No. 1 Shuiqing Road, Shuikou Street, Huicheng District, Huizhou City, Guangdong Province, United East U Valley 4 # 01 Patentee after: Huizhou jiashengde Electronic Co.,Ltd. Country or region after: China Address before: 516006 Floor 5, Building A, No. 169, Xikeng Industrial Zone, Huihuan Street, Zhongkai High tech Zone, Huizhou City, Guangdong Province Patentee before: Huizhou jiashengde Electronic Co.,Ltd. Country or region before: China |