CN103260113A - Sounding component - Google Patents
Sounding component Download PDFInfo
- Publication number
- CN103260113A CN103260113A CN2013101592435A CN201310159243A CN103260113A CN 103260113 A CN103260113 A CN 103260113A CN 2013101592435 A CN2013101592435 A CN 2013101592435A CN 201310159243 A CN201310159243 A CN 201310159243A CN 103260113 A CN103260113 A CN 103260113A
- Authority
- CN
- China
- Prior art keywords
- magnet
- magnetic conductive
- conductive board
- magnetic
- voice coil
- Prior art date
- 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.)
- Granted
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a sounding component which comprises a vibration system and a magnetic circuit system. The vibration system comprises voice coils. The magnetic circuit system comprises a first magnet and an adjacent second magnet. Magnetic gaps are formed between the first magnet and the second magnet and used for containing the voice coils. The first magnet and the second magnet are of a block-shaped structure. The first magnet and the second magnet are mutually attracted. A magnetic conductive base is combined on the surfaces of one sides, far from the voice coils, of the first magnet and the second magnet. The magnetic conductive base is formed by a plurality of independent magnetic conductive plates in a splicing mode and comprises the first magnetic conductive plate which is supported between the first magnet and / or the second magnet. According to the structure, the phenomenon that attraction between the magnets is not good can be prevented from happening. Therefore, the rate of finished products is improved and acoustic performance of the products is improved.
Description
Technical field
The present invention relates to the electroacoustic field, be specifically related to a kind of microphone device.
Background technology
Microphone device involving vibrations system and magnetic circuit system, in the prior art in order to satisfy high-power or demand such as slimming, magnetic circuit system is made of a plurality of magnet usually, often has the active force attract each other between a plurality of magnet, and not firm to occur magnet adhesive etc. easily bad if magnet is bonding.Microphone device in the conventional art is difficult to avoid this defective.Therefore, be necessary the microphone device of this structure is improved, to avoid above-mentioned defective.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of microphone device, can prevent adhesive between the magnet, improve the rate of finished products of product.
To achieve these goals, the invention provides a kind of microphone device, involving vibrations system and magnetic circuit system, described vibrational system comprises voice coil loudspeaker voice coil, described magnetic circuit system comprises first magnet and the second adjacent magnet, forms the magnetic gap of accommodating described voice coil loudspeaker voice coil between described first magnet and described second magnet; Described first magnet and described second magnet are block structure, and has the power of attracting each other between described first magnet and described second magnet, described first magnet and described second magnet are combined with the magnetic conduction base away from a side surface of described voice coil loudspeaker voice coil, wherein, described magnetic conduction base is spliced to form by a plurality of independently magnetic conductive boards, and described magnetic conduction base comprises first magnetic conductive board that is supported between described first magnet and/or second magnet.
In addition, preferably scheme is, described first magnetic conductive board also is combined with second magnetic conductive board away from a side of described voice coil loudspeaker voice coil, and the thickness of described second magnetic conductive board is greater than the thickness of described first magnetic conductive board.
In addition, preferred scheme is, described first magnet is the center that internal magnet is positioned at described magnetic conduction base, and described second magnet is that the periphery that external magnet is positioned at described internal magnet is list structure, the described magnetic gap of formation between described internal magnet and the described external magnet; Described first magnetic conductive board is supported between each described external magnet.
In addition, preferred scheme is, described external magnet is arranged at the both sides that are parallel to described internal magnet relative edge, described first magnetic conductive board is the sleeve configuration structure, two external magnets are connected on the relative both sides of described sleeve configuration first magnetic conductive board, and described internal magnet is incorporated into described first magnetic conductive board near the center of described voice coil loudspeaker voice coil one side.
In addition, preferably scheme is, the width of described second magnetic conductive board is greater than the width of described first magnetic conductive board, and described second magnetic conductive board is wider than the part and described external magnet secure bond of the described first magnetic conductive board both sides.
In addition, preferred scheme is also to be provided with retaining wall on described first magnetic conductive board or described second magnetic conductive board.
After adopting technique scheme, compare with traditional structure, magnetic conduction base of the present invention is spliced to form by a plurality of independently magnetic conductive boards, each magnetic conductive board can have different effects, first magnetic conductive board wherein is used for supporting magnet, it is bad to prevent from occurring between the magnet adhesive etc., thereby has improved the rate of finished products of product, has improved the acoustical behavior of product.
Description of drawings
By present invention is described below in conjunction with accompanying drawing, above-mentioned feature of the present invention and technological merit will become apparent and understand easily.
Fig. 1 is the three-dimensional decomposition texture schematic diagram of microphone device magnetic circuit system of the present invention.
Fig. 2 is the perspective view one of microphone device magnetic circuit system of the present invention.
Fig. 3 is the perspective view two of microphone device magnetic circuit system of the present invention.
Fig. 4 is the A-A cross-sectional view of structure shown in Figure 3.
Fig. 5 is the vertical view of magnetic conduction base of the present invention.
Fig. 6 is the B-B cross-sectional view of structure shown in Figure 5.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done further detailed description.
The microphone device of moving-coil structure generally includes vibrational system, magnetic circuit system and accommodates the fixedly shell of vibrational system and magnetic circuit system, vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of vibrating diaphragm one side, magnetic circuit system comprises magnet and is incorporated into magnet away from the magnetic conduction base of vibrational system one side, wherein magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil, voice coil loudspeaker voice coil is connected behind the signal of telecommunication up-down vibration in magnetic gap, and further drives the vibrating diaphragm vibration and produce sound.
As shown in Figure 1 to Figure 3, the magnetic circuit system of microphone device of the present invention comprises washer 1, magnet 2 and the magnetic conduction base 3 of combination successively, magnetic circuit system is two magnetic route structure, double magnetic circuit can realize bigger power output, magnet 2 comprises the internal magnet 21 that is positioned at the center and two external magnets 22 that are positioned at internal magnet 21 both sides, and internal magnet 21 and external magnet 22 are arranged side by side and form closed magnetic loop is the structure that attracts each other.Washer 1 comprises the interior washer 11 that is incorporated into internal magnet 21 surfaces and the outer washer 12 that is incorporated into external magnet 22 surfaces, and wherein interior washer 11 and outer washer 12 are the structure of magnetic conduction, can be used for the direction of the magnetic line of force of adjustment magnet 2 formation.Magnetic conduction base 3 is incorporated into internal magnet 21 and external magnet 22 away from the surface of a side of washer 1, and magnetic conduction base 3 also is magnetic conduction construction, and magnetic circuit system forms closed magnetic loop.
Magnetic conduction base 3 of the present invention is spliced to form by a plurality of independently magnetic conductive boards, present embodiment comprises independently first magnetic conductive board 31 and second magnetic conductive board 32, wherein first magnetic conductive board 31 is the structure of sleeve configuration, its width is identical with distance between two external magnets 22, and two external magnets 22 are connected to respectively on two relative edges of first magnetic conductive board 31; Internal magnet 21 is incorporated into the center of first magnetic conductive board 31.First magnetic conductive board 31 of this structure is supported between two external magnets 22, thereby defines the distance between two external magnets 22 and the internal magnet 21, and it is bad to have avoided between internal magnet 21 and the external magnet 22 taking place adhesive etc., thereby can improve the rate of finished products of product.Second magnetic conductive board 32 is incorporated into first magnetic conductive board 31 away from a side of internal magnet 21, the width d2 of second magnetic conductive board 32 is greater than the width d1 of first magnetic conductive board 31, as shown in Figure 1, thereby second magnetic conductive board 32 comprise the part that is exposed to first magnetic conductive board, 31 both sides, to shown in Figure 4, be wider than the part and external magnet 22 secure bond of first magnetic conductive board 31 as Fig. 2.
As shown in Figure 4, the bottom surface of external magnet 22 and second magnetic conductive board, 32 secure bond, first magnetic conductive board 31 is supported in the side of two external magnets 22, thereby namely can guarantee the firm degree of external magnet 22 bonding, and it is bad to avoid external magnet 22 to be subjected to internal magnet 21 to attract to produce adhesives etc. again.The position that the magnetic circuit system magnetic conduction base 3 of this structure is positioned at internal magnet 21 bights forms magnetic saturation easily, and preferred, the thickness of second magnetic conductive board 32 is greater than the thickness of first magnetic conductive board 31, and this structure can effectively be alleviated magnetic saturation.As shown in Figure 4, in the magnetic gap of internal magnet 21 and external magnet 22 formation, also be provided with voice coil loudspeaker voice coil 4, acted in the magnetic gap by Ampere force behind the voice coil loudspeaker voice coil 4 connection signals of telecommunication vibrates, the magnetic circuit system of said structure can not exert an influence to the distance between the magnetic gap bottom to voice coil loudspeaker voice coil 4, thereby can not influence the oscillation space of voice coil loudspeaker voice coil 4.
As Fig. 3, Fig. 5 and shown in Figure 6, also be provided with retaining wall on the present invention's first magnetic conductive board 31 or second magnetic conductive board 32, be provided with retaining wall 311 at first magnetic conductive board 31 in the present embodiment, retaining wall 311 is set can prevents leakage field.
In addition, the invention is not restricted to this structure with an internal magnet and two external magnets, also can be for comprising the structure of more internal magnet and/or external magnet.For example, magnetic circuit system can be that internal magnet is rectangle, and external magnet is four and the structure that arranges around internal magnet, the supporting surface that first magnetic conductive board comprises rectangle respectively with four external magnet butts.
In sum, magnetic conduction base of the present invention comprises a plurality of independently magnetic conductive boards, and each magnetic conductive board has different effects, have first magnetic conductive board and second magnetic conductive board as present embodiment, first magnetic conductive board can prevent the magnet adhesive, second magnetic conductive board has the magnetically saturated effect that prevents, thereby can realize the function that single magnetic conductive board does not have, thereby can further improve the acoustic characteristic of product.
Under above-mentioned instruction of the present invention; those skilled in the art can be in his improvement of the basic enterprising Xingqi of above-described embodiment and distortion; and these improvement and distortion; all drop in protection scope of the present invention; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained purpose of the present invention, and protection scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. microphone device, involving vibrations system and magnetic circuit system, described vibrational system comprises voice coil loudspeaker voice coil, described magnetic circuit system comprises first magnet and the second adjacent magnet, forms the magnetic gap of accommodating described voice coil loudspeaker voice coil between described first magnet and described second magnet;
Described first magnet and described second magnet are block structure, and has the power of attracting each other between described first magnet and described second magnet, described first magnet and described second magnet are combined with the magnetic conduction base away from a side surface of described voice coil loudspeaker voice coil, it is characterized in that
Described magnetic conduction base is spliced to form by a plurality of independently magnetic conductive boards, and described magnetic conduction base comprises first magnetic conductive board that is supported between described first magnet and/or second magnet.
2. microphone device according to claim 1 is characterized in that, described first magnetic conductive board also is combined with second magnetic conductive board away from a side of described voice coil loudspeaker voice coil, and the thickness of described second magnetic conductive board is greater than the thickness of described first magnetic conductive board.
3. microphone device according to claim 2, it is characterized in that, described first magnet is the center that internal magnet is positioned at described magnetic conduction base, described second magnet is that the periphery that external magnet is positioned at described internal magnet is list structure, forms described magnetic gap between described internal magnet and the described external magnet; Described first magnetic conductive board is supported between each described external magnet.
4. according to claim 2 or 3 described microphone devices, it is characterized in that, described external magnet is arranged at the both sides that are parallel to described internal magnet relative edge, described first magnetic conductive board is the sleeve configuration structure, two external magnets are connected on the relative both sides of described sleeve configuration first magnetic conductive board, and described internal magnet is incorporated into described first magnetic conductive board near the center of described voice coil loudspeaker voice coil one side.
5. microphone device according to claim 4 is characterized in that, the width of described second magnetic conductive board is greater than the width of described first magnetic conductive board, and described second magnetic conductive board is wider than the part and described external magnet secure bond of the described first magnetic conductive board both sides.
6. microphone device according to claim 5 is characterized in that, also is provided with retaining wall on described first magnetic conductive board or described second magnetic conductive board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159243.5A CN103260113B (en) | 2013-05-03 | 2013-05-03 | Microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310159243.5A CN103260113B (en) | 2013-05-03 | 2013-05-03 | Microphone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103260113A true CN103260113A (en) | 2013-08-21 |
| CN103260113B CN103260113B (en) | 2016-12-28 |
Family
ID=48963760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310159243.5A Active CN103260113B (en) | 2013-05-03 | 2013-05-03 | Microphone device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103260113B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072541A (en) * | 2015-07-17 | 2015-11-18 | 歌尔声学股份有限公司 | Magnetic circuit system for loudspeaker, and loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201893922U (en) * | 2010-11-10 | 2011-07-06 | 瑞声光电科技(常州)有限公司 | Electromagnetic loudspeaker |
| CN202127504U (en) * | 2011-06-10 | 2012-01-25 | 瑞声光电科技(常州)有限公司 | Magnetic circuit system |
| EP2475190A1 (en) * | 2009-09-04 | 2012-07-11 | BSE Co., Ltd. | Multifunctional micro-speaker |
| CN202488688U (en) * | 2012-02-22 | 2012-10-10 | 歌尔声学股份有限公司 | Micro sounder |
| CN203301725U (en) * | 2013-05-03 | 2013-11-20 | 歌尔声学股份有限公司 | Sounding device |
-
2013
- 2013-05-03 CN CN201310159243.5A patent/CN103260113B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2475190A1 (en) * | 2009-09-04 | 2012-07-11 | BSE Co., Ltd. | Multifunctional micro-speaker |
| CN201893922U (en) * | 2010-11-10 | 2011-07-06 | 瑞声光电科技(常州)有限公司 | Electromagnetic loudspeaker |
| CN202127504U (en) * | 2011-06-10 | 2012-01-25 | 瑞声光电科技(常州)有限公司 | Magnetic circuit system |
| CN202488688U (en) * | 2012-02-22 | 2012-10-10 | 歌尔声学股份有限公司 | Micro sounder |
| CN203301725U (en) * | 2013-05-03 | 2013-11-20 | 歌尔声学股份有限公司 | Sounding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105072541A (en) * | 2015-07-17 | 2015-11-18 | 歌尔声学股份有限公司 | Magnetic circuit system for loudspeaker, and loudspeaker |
| US10178480B2 (en) | 2015-07-17 | 2019-01-08 | Goertek Inc. | Speaker and magnetic circuit system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103260113B (en) | 2016-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8774448B2 (en) | Speaker with elastic plate coupled to diaphragm | |
| CN111343542B (en) | Loudspeaker box | |
| US9154884B2 (en) | Electro-acoustic transducer | |
| US8649550B2 (en) | Multi-magnet system and speaker using same | |
| US20140056464A1 (en) | Micro-Speaker | |
| WO2018170939A1 (en) | Moving magnet-type loudspeaker | |
| WO2018170941A1 (en) | Moving magnet-type loudspeaker | |
| KR101381255B1 (en) | Hybrid microspeaker | |
| CN103686557A (en) | Electroacoustic transducer | |
| CN102970641A (en) | Voice coil and voice diaphragm integrated structure, speaker and mobile terminal | |
| KR101208243B1 (en) | Slim type speaker and magnetic circuit for it | |
| EP3496419A1 (en) | Combination phase plug, and compression driver and speaker using same | |
| US10820115B2 (en) | Speaker | |
| CN203301725U (en) | Sounding device | |
| JP6667364B2 (en) | Flat speaker and method for improving its frequency characteristics | |
| CN202721811U (en) | Electroacoustic transducer | |
| WO2021223255A1 (en) | Sounding device | |
| CN209017298U (en) | Loudspeaker | |
| CN101227767A (en) | Minitype moving-coil type electro-acoustic conversing device | |
| CN103260113A (en) | Sounding component | |
| CN203193868U (en) | Multifunctional speaker | |
| US10979800B2 (en) | Sounding device | |
| KR100987464B1 (en) | Directivity type speaker | |
| KR101673295B1 (en) | Bidirectional interface terminal for speaker | |
| US10602278B2 (en) | Speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |