CN201854411U - Minitype moving-coil electroacoustic transducer - Google Patents
Minitype moving-coil electroacoustic transducer Download PDFInfo
- Publication number
- CN201854411U CN201854411U CN2010202645605U CN201020264560U CN201854411U CN 201854411 U CN201854411 U CN 201854411U CN 2010202645605 U CN2010202645605 U CN 2010202645605U CN 201020264560 U CN201020264560 U CN 201020264560U CN 201854411 U CN201854411 U CN 201854411U
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- electroacoustic transducer
- magnetic circuit
- coil type
- vibrating
- connecting device
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Abstract
The utility model discloses a minitype moving-coil electroacoustic transducer which comprises a vibrating system, a magnetic circuit system and an auxiliary system, wherein the vibrating system comprises a vibrating diaphragm, a hearing-aid voice coil and a vibrating voice coil combined with the vibrating diaphragm; the magnetic circuit system comprises a washer, a magnet and a frame which are combined from top to bottom; and the auxiliary system comprises a housing for containing the vibrating system and the magnetic circuit system, and a front cover covered on and connected with the housing. The minitype moving-coil electroacoustic transducer also comprises a conductive connecting device which is electrically connected with an external electronic circuit and an internal circuit; in addition, the conductive connecting device is of an elastic strip structure, a lead of the hearing-aid voice coil, a lead of the vibrating voice coil, and the input end and output end of the external electronic circuit are respectively arranged on the conductive connecting device and are electrically connected together. The minitype moving-coil electroacoustic transducer can effectively reduce the influence of the conductive connecting device to the thickness of the minitype moving-coil electroacoustic transducer, so that the product can be thinner.
Description
Technical field
The utility model relates to the electroacoustic transducer technical field, is specifically related to a kind of miniature moving-coil type electroacoustic transducer.
Background technology
In the modern science and technology, the E-consumer series products trends towards slimming and microminiaturization, is also developing to slimming and microminiaturized direction as the miniature moving-coil type electroacoustic transducer of important acoustical device.For a part special consumer of dysaudia is arranged, need listen to outside sound, yet the electromagnetic field that communication products such as mobile phone produce can disturb the operate as normal of hearing aids, make the compatibility that communication apparatus such as hearing aids and mobile phone can not be good by hearing aids.
For addressing this problem; usually can in moving-coil type electro-acoustic conversing device, add a listening help circle in the prior art; alternating electromagnetic field that listening help circle produces and the corresponding construction in the hearing aids produce induction; can help the consumer of dysaudia to hear sound, and can not produce any bad influence ordinary consumer.The miniature moving-coil type electroacoustic transducer of this structure needs six leads of welding, in the prior art, and usually can be at wiring board that is used for welding lead of bottom adhesive of moving-coil type electro-acoustic conversing device.But boning one has the thickness that certain thickness wiring board can increase whole miniature moving-coil type electroacoustic transducer, is unfavorable for the slimming of product design.
The utility model content
Technical problem to be solved in the utility model is, a kind of miniature moving-coil type electroacoustic transducer is provided, and can reduce the thickness of miniature moving-coil type electroacoustic transducer, helps the microminiaturization of product design.
For solving the problems of the technologies described above, technical scheme to be solved in the utility model is: miniature moving-coil type electroacoustic transducer, and involving vibrations system, magnetic circuit system and auxiliary system, described vibrational system comprise vibrating diaphragm, listening help circle and the vibrating voice coil that combines with vibrating diaphragm; Described magnetic circuit system comprises washer, magnet and the basin frame that combines from top to bottom; Described auxiliary system comprises the shell of accommodating described vibrational system and magnetic circuit system, and lid is connected to the protecgulum on the described shell; Described moving-coil type electro-acoustic conversing device also comprises the conductive connecting device that is electrically connected external electronic circuits and internal circuit; And described conductive connecting device is the flexure strip structure, and the input/output terminal of the lead-in wire of described listening help circle, the lead-in wire of described vibrating voice coil and described external electronic circuits is arranged and is electrically connected on described conductive connecting device respectively.
A kind of improvement of the present utility model is that described conductive connecting device combines with described shell injection moulding.
The another kind of improvement of the present utility model is that described flexure strip comprises the conducting strip of three separate units, and the surface of described shell is exposed in the part of three described conducting strips, and forms six pads.
The another kind of improvement of the present utility model is that described vibrating voice coil and described listening help circle are for being connected in series.
The another kind of improvement of the present utility model is that described listening help circle is incorporated on described vibrating diaphragm pairing described magnetic circuit system in below and/or the described shell.
The another kind of improvement of the present utility model is that described shell is a rectangle structure.
The another kind of improvement of the present utility model is that described magnetic circuit system is the external magnetic circuit structure.
The another kind of improvement of the present utility model is that described magnetic circuit system is a circular configuration.
The another kind of improvement of the present utility model is that described magnet is provided with side cut near the part on major axis limit.
Owing to adopt above technical scheme: miniature moving-coil type electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described vibrational system comprise vibrating diaphragm, listening help circle and the vibrating voice coil that combines with vibrating diaphragm; Described magnetic circuit system comprises washer, magnet and the basin frame that combines from top to bottom; Described auxiliary system comprises the shell of accommodating described vibrational system and magnetic circuit system, and lid is connected to the protecgulum on the described shell; Described moving-coil type electro-acoustic conversing device also comprises the conductive connecting device that is electrically connected external electronic circuits and internal circuit; And described conductive connecting device is the flexure strip structure, and the input/output terminal of the lead-in wire of described listening help circle, the lead-in wire of described vibrating voice coil and described external electronic circuits is arranged and is electrically connected on described conductive connecting device respectively.The beneficial effects of the utility model are: can effectively reduce the influence of conductive connecting device to miniature moving-coil type electroacoustic transducer thickness, help the slimming of product.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model embodiment;
Fig. 2 is the perspective view of the utility model embodiment flexure strip;
Fig. 3 is the vertical view of a flexure strip among the utility model embodiment;
Fig. 4 is the vertical view of a flexure strip among the utility model embodiment;
Fig. 5 is the vertical view of a flexure strip among the utility model embodiment;
Fig. 6 is the upward view of the utility model embodiment;
Fig. 7 is the perspective view after the utility model embodiment assembling.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
In the following description, only the mode by explanation is described some one exemplary embodiment of the present utility model, undoubtedly, those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used to limit the protection range of claim.In addition, in this manual, identical Reference numeral indicates identical part.
As Fig. 1 is the three-dimensional exploded view of the utility model embodiment, and miniature moving-coil type electroacoustic transducer is rectangle, involving vibrations system, magnetic circuit system and auxiliary system; Described vibrational system comprises vibrating diaphragm 12, listening help circle 14 and is bonded in the vibrating voice coil 13 of vibrating diaphragm 12 belows that wherein listening help circle 14 is bonded in vibrating diaphragm 12 belows to increase the oscillation space of vibrating diaphragm 12, reduces the product height; Magnetic circuit system comprises washer 21, magnet 22 and the basin frame 23 that bonds together from top to bottom, magnetic circuit system is circular external magnetic circuit structure, the part that magnet 22 is positioned at auxiliary system major axis side is provided with side cut, to guarantee the intensity of the auxiliary system of major axis side under the certain situation of magnet 22 sizes, the shape of washer 21 is identical with magnet 22; Auxiliary system comprises the rectangle shell 32 of accommodating vibrational system and magnetic circuit system, and protecgulum 31 lids are connected to the top of shell 32, shell 32 and the protecgulum 31 common protection structures that form miniature moving-coil type electroacoustic transducer; This miniature moving-coil type electroacoustic transducer also comprises the conductive connecting device 4 that external electronic circuits is electrically connected with internal circuit, and conductive connecting device 4 comprises three independently flexure strips: first flexure strip 41, second flexure strip 42 and the 3rd flexure strip 43.Listening help circle 14 is preferably mounted on pairing magnetic circuit system in vibrating diaphragm 12 belows and/or the shell 32 in the present embodiment; This miniature moving-coil type electroacoustic transducer also comprises copper ring 11, and copper ring 11 is used for fixing vibrating diaphragm 12.
By above-mentioned design, shell 32 is provided with the conductive connecting device 4 of flexure strip structure, flexure strip 4 preferably coppers or stainless steel material.Owing to adopt above-mentioned design, increased the installing space of miniature moving-coil type electroacoustic transducer when assembling with external electronic circuits, help the slimming of product design.
Fig. 2 is the perspective view of the utility model embodiment flexure strip; Fig. 3, Fig. 4 and Fig. 5 are the vertical views of the utility model embodiment flexure strip; Shown in Fig. 2 to Fig. 5 was common, conductive connecting device 4 comprised three independently flexure strips: first flexure strip 41, second flexure strip 42 and the 3rd flexure strip 43.Conductive connecting device 4 stamping-out from the flexible connection piece 5 forms independently flexure strip structure.Conductive connecting device forms six pads altogether, is used for welding the lead-in wire of vibrating voice coil 13, the lead-in wire of listening help circle 14 and the lead (lead-in wire and lead are all not shown) that is electrically connected with external electronic circuits respectively.Wherein, first pad 411 and second pad 421 weld two leads that are electrically connected with external circuit respectively, the 3rd pad 412 and the 4th pad 431 are used to weld two lead-in wires of vibrating voice coil 13, the 5th pad 422 and the 6th pad 432 are used to weld two lead-in wires of listening help circle 14, thereby realize connecting of vibrating voice coil 13 and listening help circle 14.In this implementation process, the 3rd pad 412 and the 4th pad 431 also can be used to weld two lead-in wires of listening help circle 14, the 5th pad 422 and the 6th pad 432 are used to weld two lead-in wires of vibrating voice coil 13, can realize being electrically connected in series of vibrating voice coil 13 and listening help circle 14 equally.
Fig. 6 is the upward view of the utility model embodiment; Fig. 7 is the perspective view after the utility model embodiment assembling, as shown in Figure 6 and Figure 7, first flexure strip 41, second flexure strip 42 and the 3rd flexure strip 43 of conductive connecting device 4 combine with shell 32 by the injection moulding mode, and will expose shell 32 with six pads of wire bonds.This improvement design combines by arrangements of electric connection 4 being utilized the method for injection moulding and shell 32, compares traditional design, has simplified production technology, has reduced production cost.Schematic diagram in this implementation process after pad and the wire bonds does not provide, and those of ordinary skills can get according to general knowledge.
Above implementation process only is an embodiment preferred, and the structure that listening help circle is bonded in the vibrating diaphragm below only is preferred structure, and the magnetic circuit system preferred construction is the external magnetic circuit structure.Those skilled in the art are easy to make according to this implementation process the change of other equivalences, but these changes all belong to protection range of the present utility model.
Claims (9)
1. miniature moving-coil type electroacoustic transducer, involving vibrations system, magnetic circuit system and auxiliary system, described vibrational system comprise vibrating diaphragm, listening help circle and the vibrating voice coil that combines with vibrating diaphragm; Described magnetic circuit system comprises washer, magnet and the basin frame that combines from top to bottom; Described auxiliary system comprises the shell of accommodating described vibrational system and magnetic circuit system, and lid is connected to the protecgulum on the described shell; Described moving-coil type electro-acoustic conversing device also comprises the conductive connecting device that is electrically connected external electronic circuits and internal circuit; It is characterized in that described conductive connecting device is the flexure strip structure, the input/output terminal of the lead-in wire of described listening help circle, the lead-in wire of described vibrating voice coil and described external electronic circuits is arranged and is electrically connected on described conductive connecting device respectively.
2. miniature moving-coil type electroacoustic transducer according to claim 1 is characterized in that, described conductive connecting device combines with described shell injection moulding.
3. miniature moving-coil type electroacoustic transducer according to claim 2 is characterized in that described flexure strip comprises the conducting strip of three separate units, and the surface of described shell is exposed in the part of three described conducting strips, and forms six pads.
4. miniature moving-coil type electroacoustic transducer according to claim 3 is characterized in that, described vibrating voice coil and described listening help circle are for being connected in series.
5. miniature moving-coil type electroacoustic transducer according to claim 4 is characterized in that, described listening help circle is incorporated on described vibrating diaphragm pairing described magnetic circuit system in below and/or the described shell.
6. according to the described miniature moving-coil type electroacoustic transducer of the arbitrary claim of claim 1 to 5, it is characterized in that described shell is a rectangle structure.
7. miniature moving-coil type electroacoustic transducer according to claim 6 is characterized in that, described magnetic circuit system is the external magnetic circuit structure.
8. miniature moving-coil type electroacoustic transducer according to claim 7 is characterized in that, described magnetic circuit system is a circular configuration.
9. miniature moving-coil type electroacoustic transducer according to claim 8 is characterized in that, described magnet is provided with side cut near the part on major axis limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202645605U CN201854411U (en) | 2010-07-14 | 2010-07-14 | Minitype moving-coil electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202645605U CN201854411U (en) | 2010-07-14 | 2010-07-14 | Minitype moving-coil electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201854411U true CN201854411U (en) | 2011-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202645605U Expired - Fee Related CN201854411U (en) | 2010-07-14 | 2010-07-14 | Minitype moving-coil electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201854411U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144373A (en) * | 2014-06-30 | 2014-11-12 | 歌尔声学股份有限公司 | Loudspeaker device and method for manufacturing shell thereof |
| CN104320747A (en) * | 2014-11-20 | 2015-01-28 | 歌尔声学股份有限公司 | Loudspeaker structure |
| WO2017045465A1 (en) * | 2015-09-15 | 2017-03-23 | 歌尔股份有限公司 | Receiver |
-
2010
- 2010-07-14 CN CN2010202645605U patent/CN201854411U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104144373A (en) * | 2014-06-30 | 2014-11-12 | 歌尔声学股份有限公司 | Loudspeaker device and method for manufacturing shell thereof |
| CN104144373B (en) * | 2014-06-30 | 2018-10-23 | 歌尔股份有限公司 | A kind of speaker unit and its manufacture of casing |
| CN104320747A (en) * | 2014-11-20 | 2015-01-28 | 歌尔声学股份有限公司 | Loudspeaker structure |
| US20170265007A1 (en) * | 2014-11-20 | 2017-09-14 | Goertek, Inc. | Speaker Structure |
| US10057687B2 (en) * | 2014-11-20 | 2018-08-21 | Goertek, Inc. | Speaker structure |
| WO2017045465A1 (en) * | 2015-09-15 | 2017-03-23 | 歌尔股份有限公司 | Receiver |
| US10244329B2 (en) | 2015-09-15 | 2019-03-26 | GoeItek Inc. | Receiver |
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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: 20110601 Termination date: 20190714 |