CN204014045U - Electroacoustic transducer - Google Patents
Electroacoustic transducer Download PDFInfo
- Publication number
- CN204014045U CN204014045U CN201420358408.1U CN201420358408U CN204014045U CN 204014045 U CN204014045 U CN 204014045U CN 201420358408 U CN201420358408 U CN 201420358408U CN 204014045 U CN204014045 U CN 204014045U
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- CN
- China
- Prior art keywords
- conductive board
- magnetic conductive
- magnetic
- magnet
- electroacoustic transducer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model electroacoustic transducer, magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, the first magnetic conductive board and the second magnetic conductive board mutually combine, centring magnet is different from limit magnet thickness, the second magnetic conductive board is arranged between the magnet and the first magnetic conductive board of thinner thickness, improve the magnetic conduction effect of magnetic conductive board, effectively improve the magnetic field intensity of electroacoustic transducer magnetic circuit system, thereby improve electroacoustic transducer acoustical behavior.
Description
Technical field
The utility model relates to electroacoustic field, especially relates to the electroacoustic transducer that a kind of acoustical behavior is high.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phones, notebook computer are used widely, and as acoustic element important in consumer electronics product, electroacoustic transducer has demand widely.Along with the raising that people require consumer electronics product, electroacoustic transducer performance also more and more receives people's concern.
The electroacoustic transducer of traditional structure, involving vibrations system, magnetic circuit system and auxiliary system, described auxiliary system is accommodated fixing described vibrational system and described vibrational system; Described vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm, and described magnetic circuit system comprises magnetic conductive board and is fixed on the centring magnet of described magnetic conductive board; Existing electroacoustic transducer structure is more fixing, and performance boost space is little, has limited the raising of electroacoustic transducer acoustical behavior.
Therefore, be necessary to propose a kind of improvement, so that the electroacoustic transducer that a kind of acoustical behavior is high to be provided.
Utility model content
Technical problem to be solved in the utility model is to provide the electroacoustic transducer that a kind of acoustical behavior is high.
To achieve these goals, the utility model is by the following technical solutions:
An electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described auxiliary system is accommodated fixing described vibrational system and described vibrational system; Described vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm, and described magnetic circuit system comprises magnetic conductive board, is fixed on the centring magnet of described magnetic conductive board and the limit magnet arranging around described centring magnet; And: described centring magnet thickness is less than described limit magnet thickness; Described magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, and described the second magnetic conductive board is arranged between described centring magnet and described the first magnetic conductive board.
As a kind of preferred technical scheme, described centring magnet is corresponding with described the second magnetic conductive board shape.
In order to improve the acoustical behavior of electroacoustic transducer, under identical mentality of designing, the utility model can also adopt another kind of technical scheme:
An electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described auxiliary system is accommodated fixing described vibrational system and described vibrational system; Described vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm, and described magnetic circuit system comprises magnetic conductive board, is fixed on the centring magnet of described magnetic conductive board and the limit magnet arranging around described centring magnet; And: described limit magnet thickness is less than described centring magnet thickness; Described magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, and described the second magnetic conductive board is arranged between described limit magnet and described the first magnetic conductive board.
As a kind of preferred technical scheme, the corresponding described centring magnet of described the second magnetic conductive board is provided with hollow out, and described centring magnet is arranged in described hollow out, and described centring magnet is fixed on described the first magnetic conductive board.
The utility model electroacoustic transducer, magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, the first magnetic conductive board and the second magnetic conductive board mutually combine, centring magnet is different from limit magnet thickness, the second magnetic conductive board is arranged between the magnet and the first magnetic conductive board of thinner thickness, improve the magnetic conduction effect of magnetic conductive board, effectively improve the magnetic field intensity of electroacoustic transducer magnetic circuit system, thereby improve electroacoustic transducer acoustical behavior.
Accompanying drawing explanation
Fig. 1 is the utility model electroacoustic transducer embodiment mono-cutaway view;
Fig. 2 is the utility model electroacoustic transducer embodiment bis-cutaway views.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
Embodiment mono-:
The utility model electroacoustic transducer, involving vibrations system, magnetic circuit system and the auxiliary system of accommodating fixing described vibrational system and magnetic circuit system, as shown in Figure 1, auxiliary system comprises the first housing 11 and the second housing 12, the first housing 11 coordinates with the second housing 12, accommodates fixedly magnetic circuit system and vibrational system, vibrational system comprise vibrating diaphragm 2 and with the voice coil loudspeaker voice coil 3 of vibrating diaphragm 2 secure bond; Magnetic circuit system comprises magnetic conductive board and is fixed on the centring magnet 41 of magnetic conductive board, the electroacoustic transducer of the present embodiment, magnetic circuit system also comprises the limit magnet 51 arranging around centring magnet, centring magnet 41 and limit magnet 51 are respectively arranged with center washer 42 and limit washer 52 near vibrating diaphragm 2 one sides, center washer 42 and limit washer 52 can be revised the magnetic line of force of centring magnet 41 and limit magnet 51, improve electroacoustic transducer acoustical behavior.Centring magnet 41, center washer 42 form magnetic gap with limit magnet 51, limit washer 52, voice coil loudspeaker voice coil 3 is arranged in magnetic gap, during electroacoustic transducer work, curent change in voice coil loudspeaker voice coil 3 makes the voice coil loudspeaker voice coil 3 in magnetic field be subject to Lorentz force and up-down vibration, voice coil loudspeaker voice coil 3 drives vibrating diaphragm 2 vibration soundings, electroacoustic transducer sounding.
The electroacoustic transducer of the present embodiment, as shown in Figure 1, the present embodiment electroacoustic transducer, the thickness of centring magnet 41 is less than the thickness of limit magnet 51, the second magnetic conductive board 62a is corresponding with centring magnet 41 shapes, the second magnetic conductive board 62a is arranged between centring magnet 41 and the first magnetic conductive board 61, and the second magnetic conductive board 62a is connected centring magnet 41 with the first magnetic conductive board 61, limit magnet 51 directly with the first magnetic conductive board 61 secure bond.The electroacoustic transducer structure of the present embodiment, magnetic conductive board 62a can directly revise the magnetic line of force of centring magnet 41, reduces centring magnet 41 magnetic field waste when magnetic conductive board is combined, and improves magnetic gap internal magnetic field intensity, thereby improves the acoustical behavior of electroacoustic transducer.
Magnetic conductive board is divided into the design of the first magnetic conductive board and the second magnetic conductive board, can improve the magnetic property of magnetic conductive board, thereby improves the magnetic field intensity in magnetic gap, further improves the acoustical behavior of electroacoustic transducer.First magnetic conductive board of the present embodiment is identical with the second magnetic conductive board shape, and the first magnetic conductive board and the second magnetic conductive board combined process are simple, can improve electroacoustic transducer production efficiency.Certainly, the second magnetic conductive board also can extend to the position contacting with limit magnet, and the second magnetic conductive board covers magnetic gap bottom, improve magnetic conduction effect, improve the magnetic flux in electroacoustic transducer, improve electroacoustic transducer acoustical behavior, opposite side magnet positions simultaneously, improves electroacoustic transducer reliability.
In actual application, in order to improve the magnetic conduction effect of magnetic conductive board, the first magnetic conductive board and the second magnetic conductive board thickness can be adjusted according to actual needs, the design of two magnetic conductive board cooperations also can avoid magnetic conductive board thickness to be difficult to the situation of practical requirement, improve the flexibility of magnetic conductive board design, reduce the design difficulty of electroacoustic transducer.
Embodiment bis-:
The present embodiment and embodiment mono-structure are similar, different from embodiment mono-is, as shown in Figure 2, limit magnet 51 thickness of the present embodiment electroacoustic transducer are less than centring magnet 41 thickness, the corresponding centring magnet 41 of the second magnetic conductive board 62b is provided with hollow out, centring magnet 41 is arranged in the second magnetic conductive board 62b hollow out, centring magnet 41 and the first magnetic conductive board 61 secure bond, limit magnet 51 with by the second magnetic conductive board 62b and the first magnetic conductive board 61 combinations.The electroacoustic transducer of the present embodiment, the second magnetic conductive board 62b is provided with hollow out, center magnet 41 is arranged in hollow out, the second magnetic conductive board 62b can position centring magnet 41, improves electroacoustic transducer reliability, and, the second magnetic conductive board 62b also can revise the magnetic line of force, improve the magnetic conduction effect of magnetic conductive board, improve the magnetic field intensity in magnetic gap, thereby improve the acoustical behavior of electroacoustic transducer.
In actual applications, when limit magnet thickness is less than centring magnet thickness, the second magnetic conductive board is arranged between limit magnet and the first magnetic conductive board, and the shape of the second magnetic conductive board can be corresponding with limit magnet shape, is convenient to the assembling of the second magnetic conductive board, simplifies production difficulty.
Identical with embodiment mono-, the first magnetic conductive board 61 and the second magnetic conductive board 62b of the present embodiment can adjust thickness according to actual needs, to meet design needs, improve design flexibility, reduce the difficulty of designing and developing of electroacoustic transducer.
Above two embodiment objects are the mentality of designing of explanation the utility model electroacoustic transducer, do not limit the utility model, in actual application, those skilled in the art can be according to actual electrical sound transducer structure interior the disclosed technical scheme of the utility model electroacoustic transducer claim 1 of applying in a flexible way.
The mentality of designing of the utility model electroacoustic transducer is for to be divided into a plurality of parts by magnetic conductive board, magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, can improve the magnetic property of magnetic conductive board, improve the magnetic field intensity of electroacoustic transducer magnetic circuit system, improve electroacoustic transducer acoustical behavior.And, magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, can avoid electroacoustic transducer to design and develop in process because the performance that single magnetic conductive board thickness low LCL causes is limited, two parts magnetic conductive board coordinates the thickness demand that can meet magnetic conductive board, improve the flexibility of electroacoustic transducer magnetic conductive board design, reduce the difficulty of designing and developing of electroacoustic transducer.
These are only the utility model case study on implementation, be not limited to the utility model, as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of recording in claims.
Claims (4)
1. an electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described auxiliary system is accommodated fixing described vibrational system and described vibrational system; Described vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm, and described magnetic circuit system comprises magnetic conductive board, is fixed on the centring magnet of described magnetic conductive board and the limit magnet arranging around described centring magnet; It is characterized in that: described centring magnet thickness is less than described limit magnet thickness; Described magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, and described the second magnetic conductive board is arranged between described centring magnet and described the first magnetic conductive board.
2. electroacoustic transducer according to claim 1, is characterized in that: described centring magnet is corresponding with described the second magnetic conductive board shape.
3. an electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described auxiliary system is accommodated fixing described vibrational system and described vibrational system; Described vibrational system comprises vibrating diaphragm and is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm, and described magnetic circuit system comprises magnetic conductive board, is fixed on the centring magnet of described magnetic conductive board and the limit magnet arranging around described centring magnet; It is characterized in that: described limit magnet thickness is less than described centring magnet thickness; Described magnetic conductive board comprises the first magnetic conductive board and the second magnetic conductive board, and described the second magnetic conductive board is arranged between described limit magnet and described the first magnetic conductive board.
4. electroacoustic transducer according to claim 3, is characterized in that: the corresponding described centring magnet of described the second magnetic conductive board is provided with hollow out, and described centring magnet is arranged in described hollow out, and described centring magnet is fixed on described the first magnetic conductive board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358408.1U CN204014045U (en) | 2014-06-30 | 2014-06-30 | Electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358408.1U CN204014045U (en) | 2014-06-30 | 2014-06-30 | Electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204014045U true CN204014045U (en) | 2014-12-10 |
Family
ID=52053981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358408.1U Expired - Fee Related CN204014045U (en) | 2014-06-30 | 2014-06-30 | Electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204014045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561057A (en) * | 2015-10-06 | 2017-04-12 | 奥音科技（北京）有限公司 | Electroacoustic Transducer With Flexible Coilwire Connection |
-
2014
- 2014-06-30 CN CN201420358408.1U patent/CN204014045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106561057A (en) * | 2015-10-06 | 2017-04-12 | 奥音科技（北京）有限公司 | Electroacoustic Transducer With Flexible Coilwire Connection |
| CN106561057B (en) * | 2015-10-06 | 2019-10-18 | 奥音科技（北京）有限公司 | Electroacoustic transducer with the connection of flexible coil wiring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20210630 |