CN202841505U - Electroacoustic transducer - Google Patents
Electroacoustic transducer Download PDFInfo
- Publication number
- CN202841505U CN202841505U CN 201220400344 CN201220400344U CN202841505U CN 202841505 U CN202841505 U CN 202841505U CN 201220400344 CN201220400344 CN 201220400344 CN 201220400344 U CN201220400344 U CN 201220400344U CN 202841505 U CN202841505 U CN 202841505U
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- CN
- China
- Prior art keywords
- electroacoustic transducer
- voice coil
- pad
- centring disk
- reinforcement part
- 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.)
- Expired - Lifetime
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- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000002787 reinforcement Effects 0.000 claims description 28
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 abstract description 5
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 238000011017 operating method Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses an electroacoustic transducer which comprises a vibration system, a magnetic circuit system and a housing accommodating and fixing the vibration system and the magnetic circuit system, wherein the vibration system comprises a vibrating diaphragm and a voice coil bonding with one side of the vibrating diaphragm, and the housing is of a metal structure. The electroacoustic transducer further comprises a centring disk bonding with the vibration system, wherein the rim of the centring disk is provided with a hard reinforcing part, and a pad and a line in electric connection with the pad and the centring disk are arranged on the reinforcing part. The voice coil comprises a voice coil lead which is in electric connection with the centring disk. The structure of the electroacoustic transducer can prevent polarization of the vibrating diaphragm, and electric connection of the electroacoustic transducer with an external circuit is easy to operate.
Description
Technical field
The utility model relates to the electroacoustic field, is specifically related to a kind of electroacoustic transducer.
Background technology
Electroacoustic transducer involving vibrations system in the prior art, magnetic circuit system is accommodated the housing of fixing described vibrational system and described magnetic circuit system; Usually the internal circuit of electroacoustic transducer is communicated with by electrical connection module with external circuit.Vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into the vibrating diaphragm downside, and voice coil loudspeaker voice coil comprises voice coil leads, and voice coil leads is electrically connected with electrical connection module, and final realization is electrically connected with end product.
Electrical connection module is mainly pad/elastic piece structure in the prior art, perhaps the centring disk structure.The technique that pad/elastic piece structure is electrically connected with external circuit is easy, and centring disk can also prevent from occuring in the voice coil loudspeaker voice coil vibration processes polarization effectively except can being electrically connected, but the use centring disk has increased the difficulty of the use of product, and the flexibility that centring disk is used is inadequate.
Therefore, be necessary the electroacoustic transducer of this structure is improved, so that electrical connection module is easier to use.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of electroacoustic transducer, can prevent the voice coil loudspeaker voice coil polarization, and the operating procedure that is electrically connected with external circuit is simple.
To achieve these goals, the utility model provides a kind of electroacoustic transducer, involving vibrations system, magnetic circuit system, and the housing of accommodating fixing described vibrational system and described magnetic circuit system; Described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm one side that wherein, described housing is metal structure; Described electroacoustic transducer also comprises the centring disk of being combined with described vibrational system, and the edge of described centring disk is provided with the reinforcement part of hard, the circuit that described reinforcement part is provided with pad and is electrically connected described pad and described centring disk; Described voice coil loudspeaker voice coil comprises voice coil leads, and described voice coil leads is electrically connected with described centring disk.
In addition, preferred scheme is that described centring disk is flexible circuit board or conducting strip.
In addition, preferred scheme is, described reinforcement part is wiring board, and the circuit on the described wiring board is connected with circuit on the described centring disk.
In addition, preferred scheme is, described reinforcement part be for can arranging the resin structure of conducting wire, the reinforcement part of described resin structure be provided with centring disk on the circuit of circuit communication.
In addition, preferred scheme is that described magnetic circuit system and described housing are provided with the avoiding structure of dodging described pad.
In addition, preferred scheme is that described reinforcement part is circulus, is positioned at the side near described magnetic circuit system.
In addition, preferably scheme is, described electroacoustic transducer is rectangular configuration, and described pad is arranged at the bight of the described reinforcement part of rectangle, the bight of the described magnet of rectangle is provided with material and forms and to dodge section, is provided with corresponding to described position of dodging section on the described housing and expects the opening that forms.
In addition, preferred scheme is, described pad is two, extends to the position that is not higher than described pad corresponding to the described opening of described pad, do not cover described pad corresponding to the described section of dodging of described pad.
In addition, preferred scheme is that described pad is arranged at the two ends of the arbitrary minor axis in described reinforcement part of rectangle.
In addition, preferred scheme is that described centring disk is incorporated between described voice coil loudspeaker voice coil and the described vibrating diaphragm.
After adopting technique scheme, compare with traditional structure, adopt the electroacoustic transducer of this electrical connection module, can prevent vibrating diaphragm generation polarization, and the operating procedure that is electrically connected with external circuit is simple.
Description of drawings
By below in conjunction with accompanying drawing present embodiment being described, above-mentioned feature of the present utility model and technological merit will become apparent and understand easily.
Fig. 1 is the stereo decomposing structural representation of the utility model electroacoustic transducer.
Fig. 2 is the cutaway view of the utility model electroacoustic transducer.
Fig. 3 is the stereo decomposing structural representation of the utility model electroacoustic transducer electrical connection module and voice coil loudspeaker voice coil.
Fig. 4 is the perspective view of the utility model electroacoustic transducer electrical connection module after voice coil loudspeaker voice coil is combined.
Fig. 5 is the upward view of electrical connection module shown in Figure 4 and voice coil loudspeaker voice coil.
Fig. 6 is the perspective view of the utility model electroacoustic transducer.
Fig. 7 is the vertical view of electroacoustic transducer shown in Figure 6.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done further detailed description.
As depicted in figs. 1 and 2, electroacoustic transducer involving vibrations system, magnetic circuit system, and accommodate the fixedly shell 1 of vibrational system and magnetic circuit system.Vibrational system comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22 that is incorporated into vibrating diaphragm 21 1 sides, and wherein vibrating diaphragm 21 comprises vibrating diaphragm body 211 and the composite bed 212 that is incorporated into vibrating diaphragm body 211 centers, and composite bed 212 can promote the high frequency characteristics of vibrating diaphragm.The electrical connection module of the utility model electrical connection electroacoustic transducer internal circuit and external circuit comprises the reinforcement part 24 of centring disk 23 and the ring-type of the hard that is incorporated into centring disk 23 edges.
The present embodiment magnetic circuit system is two magnetic route structure, internal magnetic circuit comprises interior washer 311 and the internal magnet 312 of successively combination, external magnetic circuit comprises outer washer 321 and the external magnet 322 of successively combination, and lower magnetic conductive board 33 is incorporated into inner magnet 312 and external magnet 322 away from a side of interior washer 311 and outer washer 321.Form the magnetic gap of the annular of accommodating voice coil loudspeaker voice coil 22 between internal magnetic circuit and the external magnetic circuit.
The utility model housing 1 adopts metal structure, the housing 1 of metal structure has less thickness and higher intensity, can increase the inner space of electroacoustic transducer under the condition of equal volume, and then can increase the size of magnet, promote the acoustical behavior of electroacoustic transducer.Assemble first vibrational system in the assembling process, then assemble magnetic circuit system, edge and lower magnetic conductive board 33 secure bond of last housing 1, can be by mode combinations such as ultrasonic bonding, bonding or crimpings, present embodiment housing 1 is combined by the mode of crimping with lower magnetic conductive board 33, and this combination technique simply can be enhanced productivity.
Extremely shown in Figure 5 such as Fig. 3, present embodiment centring disk 23 is incorporated between vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22, but be not limited to this situation, for example for the structure of vibrating diaphragm 21 edges to close voice coil loudspeaker voice coil 22 bendings, centring disk 23 can be incorporated into vibrating diaphragm 21 away from a side of voice coil loudspeaker voice coil 22.Be evenly equipped with the conducting wire on centring disk 23 and the reinforcement part 24, and the circuit on the centring disk 23 is connected with circuit on the reinforcement part 24, wherein, centring disk 23 can be flexible circuit board or conducting strip, pad on voice coil leads 221 on the voice coil loudspeaker voice coil 22 and the centring disk 23 is by spot welding or be coated with the mode such as conducting resinl and be connected, and realizes being electrically connected of voice coil loudspeaker voice coil 22 and centring disk 23.
In addition, circuit board structure can be adopted in reinforcement part 24, in the reinforcement part 24 of circuit board structure the circuit that is electrically connected with respective lines on the centring disk 23 is set; Perhaps adopt the resin structure that the conducting wire can be set, in the reinforcement part 24 of resin structure the circuit that is electrically connected with centring disk 23 is set.24 are provided with the pad 241 that is electrically connected with external circuit in the reinforcement part, and pad 241 is connected with line electricity on the centring disk 23 by the circuit on the reinforcement part 24.Wherein, pad 241 is arranged at the side near magnetic circuit system, and namely reinforcement part 24 and voice coil loudspeaker voice coil are arranged at the same side of centring disk 23.
As shown in Figure 6 and Figure 7, the present embodiment electroacoustic transducer is rectangular configuration, be rectangular configuration corresponding to the internal magnetic circuit in the rectangular configuration, external magnetic circuit, housing 1 and electrical connection module, present embodiment is arranged at two pads 241 at the two ends of rectangle reinforcement part 24 arbitrary minor axises; Four bights of external magnetic circuit are equipped with the section of dodging 30, namely are equipped with the section of dodging 30 on the outer washer 321 of external magnetic circuit, external magnet 322 and the basin frame 33, and present embodiment is dodged section 30 and is the side cut structure, such as Fig. 1, Fig. 6 and shown in Figure 7; Four bights of housing 1 also are provided with expects the opening that forms, thisly goes to expect that the opening that forms is the phonate hole of electroacoustic transducer back cavity.
This section that dodges 30 that the side cut structure is set in four bights of external magnetic circuit, and four bights of housing 1 also arrange the structure of expecting the opening that forms, the sound that can make the electroacoustic transducer back cavity radiate from the opening in housing 1 bight.Need to prove that the quantity of dodging section 30 and housing 1 opening is not limited to four, also can for two or three etc., all can realize above-mentioned effect.
In addition, because pad 241 is arranged at the bight of reinforcement part 24, the reinforcement part 24 that pad 241 is set is positioned at a side of close magnetic circuit system, therefore the section that dodges 30 of external magnetic circuit can dodge pad 241 simultaneously, the section that dodges 30 corresponding to pad 241 can not cover pad 241, and four of the utility model are dodged section 30 and all do not covered pad to simplify the manufacturing process of product.In addition, the opening corresponding to two bights of pad 241 on the housing 1 extends to the position that is not higher than plane, pad 241 place, is conducive to dodge the space for pad 241 is electrically connected with end product to provide, as shown in Figure 6.Need to prove that magnetic circuit system is not limited to this two magnetic route structure, also can be applicable to internal magnetic circuit and double magnetic circuit, as long as can make the sound of back cavity can be transferred to the external world, and can dodge pad 241 and get final product.
Adopt the electroacoustic transducer of this electrical connection module, can prevent vibrating diaphragm generation polarization, and the operating procedure that is electrically connected with external circuit is simple.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out on the basis of above-described embodiment other improvement and distortion; and these improvement and distortion; all drop in the protection range of the present utility model; those skilled in the art should be understood that; above-mentioned specific descriptions are just better explained the purpose of this utility model, and protection range of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. electroacoustic transducer, involving vibrations system, magnetic circuit system, and the housing of accommodating fixing described vibrational system and described magnetic circuit system; Described vibrational system comprises vibrating diaphragm and is incorporated into the voice coil loudspeaker voice coil of described vibrating diaphragm one side, it is characterized in that,
Described housing is metal structure;
Described electroacoustic transducer also comprises the centring disk of being combined with described vibrational system, and the edge of described centring disk is provided with the reinforcement part of hard, the circuit that described reinforcement part is provided with pad and is electrically connected described pad and described centring disk; Described voice coil loudspeaker voice coil comprises voice coil leads, and described voice coil leads is electrically connected with described centring disk.
2. electroacoustic transducer according to claim 1 is characterized in that, described centring disk is flexible circuit board or conducting strip.
3. electroacoustic transducer according to claim 2 is characterized in that, described reinforcement part is wiring board, and the circuit on the described wiring board is connected with circuit on the described centring disk.
4. electroacoustic transducer according to claim 2 is characterized in that, described reinforcement part be for can arranging the resin structure of conducting wire, the reinforcement part of described resin structure be provided with centring disk on the circuit of circuit communication.
5. according to claim 3 or 4 described electroacoustic transducers, it is characterized in that described magnetic circuit system and described housing are provided with the avoiding structure of dodging described pad.
6. electroacoustic transducer according to claim 5 is characterized in that, described reinforcement part is circulus, is positioned at the side near described magnetic circuit system.
7. electroacoustic transducer according to claim 6, it is characterized in that, described electroacoustic transducer is rectangular configuration, described pad is arranged at the bight of the described reinforcement part of rectangle, the bight of the described magnet of rectangle is provided with material and forms and to dodge section, is provided with corresponding to described position of dodging section on the described housing and expects the opening that forms.
8. electroacoustic transducer according to claim 7 is characterized in that, described pad is two, extends to the position that is not higher than described pad corresponding to the described opening of described pad, does not cover described pad corresponding to the described section of dodging of described pad.
9. electroacoustic transducer according to claim 8 is characterized in that, described pad is arranged at the two ends of the arbitrary minor axis in described reinforcement part of rectangle.
10. electroacoustic transducer according to claim 9 is characterized in that, described centring disk is incorporated between described voice coil loudspeaker voice coil and the described vibrating diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400344 CN202841505U (en) | 2012-08-14 | 2012-08-14 | Electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400344 CN202841505U (en) | 2012-08-14 | 2012-08-14 | Electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841505U true CN202841505U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400344 Expired - Lifetime CN202841505U (en) | 2012-08-14 | 2012-08-14 | Electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841505U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561376A (en) * | 2018-12-03 | 2019-04-02 | 精拓丽音科技（北京）有限公司 | A kind of electro-acoustic conversion device |
| CN109743662A (en) * | 2018-12-29 | 2019-05-10 | 歌尔股份有限公司 | Centring disk and sounding device |
| CN109982221A (en) * | 2019-04-30 | 2019-07-05 | 歌尔股份有限公司 | Sounding device and electronic product |
| WO2019205710A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device |
| WO2020024661A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2012
- 2012-08-14 CN CN 201220400344 patent/CN202841505U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205710A1 (en) * | 2018-04-27 | 2019-10-31 | 歌尔股份有限公司 | Sound producing device |
| WO2020024661A1 (en) * | 2018-08-03 | 2020-02-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN109561376A (en) * | 2018-12-03 | 2019-04-02 | 精拓丽音科技（北京）有限公司 | A kind of electro-acoustic conversion device |
| CN109743662A (en) * | 2018-12-29 | 2019-05-10 | 歌尔股份有限公司 | Centring disk and sounding device |
| CN109743662B (en) * | 2018-12-29 | 2021-01-22 | 歌尔股份有限公司 | Centering support piece and sound production device |
| CN109982221A (en) * | 2019-04-30 | 2019-07-05 | 歌尔股份有限公司 | Sounding device and electronic product |
| CN109982221B (en) * | 2019-04-30 | 2024-04-30 | 歌尔股份有限公司 | Sound generating device and electronic product |
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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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |