CN204231660U - A kind of superminiature moving-coil type electro-acoustic conversing device - Google Patents
A kind of superminiature moving-coil type electro-acoustic conversing device Download PDFInfo
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- CN204231660U CN204231660U CN201420706529.0U CN201420706529U CN204231660U CN 204231660 U CN204231660 U CN 204231660U CN 201420706529 U CN201420706529 U CN 201420706529U CN 204231660 U CN204231660 U CN 204231660U
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- voice coil
- magnet
- superminiature
- oscillating plate
- moving
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Abstract
The utility model discloses a kind of superminiature moving-coil type electro-acoustic conversing device, it includes a magnetic conductive board, the magnet of one ring-type, one pcb board, one oscillating plate and a voice coil loudspeaker voice coil, the pars intermedia of magnetic conductive board is protruding upward conducting magnetic column, magnet with magnetic conductive board stacked on top of one another and the two be fixedly connected with, oscillating plate is covered on the top of magnet, and oscillating plate, magnet and magnetic conductive board surround and are formed with a cavity, magnet ring is around in conducting magnetic column and there is space therebetween, the upper end of voice coil loudspeaker voice coil is fixedly connected on oscillating plate, the lower end of voice coil loudspeaker voice coil extends and is surrounded on conducting magnetic column in the space between magnet and conducting magnetic column, pcb board is fixedly connected on the bottom of magnetic conductive board, conducting magnetic column offers the through hole will be communicated with inside and outside cavity, the lead-in wire of voice coil loudspeaker voice coil is welded in pcb board through through hole.Electroacoustic transducer disclosed in the utility model has that building block is few, structure is simple, be easy to assembling, volume is less, and fully can meet the advantage of high power, low distortion, lower resonant frequency, wide working band requirement.
Description
Technical field
The utility model relates to electroacoustic transducer, particularly relates to a kind of superminiature moving-coil type electro-acoustic conversing device.
Background technology
Along with growth in the living standard, consumer is to the requirement of earphone products acoustical quality and more and more higher to the requirement of high-quality, high-fidelity headphone product, the development of intelligent and portable equipment makes product function get more and more, particularly the development of intelligent earphone makes Intellgent Ear confidentially have heart rate detection, telephone receiving simultaneously, dials phone, Voice command, music, ability that stand-by time is long, thus proposes requirements at the higher level to earphone receiver.
Receiver is also known as electroacoustic transducer, existing receiver as shown in Figure 2, support 100 is in peviform, magnet 101 and washer 102 are fixed within support 100, the opening part of support 100 is covered with oscillating plate 103, oscillating plate 103 is fixed with voice coil loudspeaker voice coil 104, voice coil loudspeaker voice coil 104 extends in support 100, and voice coil loudspeaker voice coil 104 is surrounded on magnet 101 and washer 102, the bottom of support 100 is fixed with pcb board 105, the lead-in wire of voice coil loudspeaker voice coil 104 extends to pcb board 105 through the sidewall of support 100, and the wire bonds of voice coil loudspeaker voice coil 104 is in pcb board 105.In above-mentioned receiver, because magnet 101, oscillating plate 103 and pcb board 105 all will be fixed by support 100, thus support 100 becomes requisite parts in receiver, support 100 is also parts maximum, the heaviest in receiver simultaneously, cause existing receiver to be difficult to accomplish less, be difficult to meet the demand of market to micro-telephone receiver.In addition, in existing receiver, the lead-in wire of voice coil loudspeaker voice coil 104 is all the sidewall extending to support 100 along oscillating plate 103, because the extended distance of lead-in wire is longer, needs to play glue on oscillating plate 103 and fix, but for micro-telephone receiver, oscillating plate 103 is membrane structure, to the vibrating effect of oscillating plate 103 be had a strong impact on after glue played by lead-in wire, many harmful effects are caused to the tonequality of receiver, makes receiver be difficult to reach the requirement of high power, low distortion, lower resonant frequency, wide working band.
Utility model content
The technical problems to be solved in the utility model is, for the deficiencies in the prior art, there is provided that a kind of building block is few, structure is simple, be easy to assembling, volume is less, and fully can meet the superminiature moving-coil type electro-acoustic conversing device of high power, low distortion, lower resonant frequency, wide working band requirement.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of superminiature moving-coil type electro-acoustic conversing device, it includes a magnetic conductive board, the magnet of one ring-type, one pcb board, one oscillating plate and a voice coil loudspeaker voice coil, the pars intermedia of described magnetic conductive board is protruding upward conducting magnetic column, described magnet with magnetic conductive board stacked on top of one another and the two be fixedly connected with, described oscillating plate is covered on the top of magnet, and described oscillating plate, magnet and magnetic conductive board surround and are formed with a cavity, described magnet ring is around in conducting magnetic column and there is space therebetween, the upper end of described voice coil loudspeaker voice coil is fixedly connected on oscillating plate, the lower end of described voice coil loudspeaker voice coil extends and is surrounded on described conducting magnetic column in the space between magnet and conducting magnetic column, described pcb board is fixedly connected on the bottom of magnetic conductive board, described conducting magnetic column offers the through hole will be communicated with inside and outside described cavity, the lead-in wire of described voice coil loudspeaker voice coil is welded in pcb board through described through hole.
Preferably, described through hole is the through hole passing vertically through conducting magnetic column.
Preferably, the inwall of described through hole is stepped, and the inner diameter of this through hole from top to bottom increases successively.
Preferably, the edge of described oscillating plate is fixedly connected with magnet is airtight.
Preferably, the quantity of described lead-in wire is two.
Preferably, described magnetic conductive board and conducting magnetic column integrated punching shaping.
Preferably, described lead-in wire extends along the inwall of through hole.
Preferably, described magnet and magnetic conductive board are adhesively fixed by glue.
Preferably, described pcb board and magnetic conductive board are adhesively fixed by glue.
Preferably, the upper end of described voice coil loudspeaker voice coil and oscillating plate are adhesively fixed by glue.
Superminiature moving-coil type electro-acoustic conversing device disclosed in the utility model, it needs the large building block of the magnet of magnetic conductive board, ring-type, pcb board, oscillating plate and voice coil loudspeaker voice coil five, without using the comparatively large and support of heaviness, above-mentioned parts are fixed, the volume of electroacoustic transducer is enable greatly to reduce and accomplish superminiature, simultaneously, also simplify product structure, be more easy to assembling.In addition, lead-in wire stretches out through through hole, thus the extended distance of lead-in wire in cavity is substantially reduced, without the need to playing glue to oscillating plate, decrease the load of oscillating plate, avoid because oscillating plate plays glue and cause harmful effect, making this electroacoustic transducer can fully meet the requirements such as high power, low distortion, lower resonant frequency, wide working band.
Accompanying drawing explanation
Fig. 1 is the side sectional view of the utility model superminiature moving-coil type electro-acoustic conversing device.
Fig. 2 is the side sectional view of existing receiver.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in more detail.
The utility model discloses a kind of superminiature moving-coil type electro-acoustic conversing device, as shown in Figure 1, it includes a magnetic conductive board 1, the magnet 2 of one ring-type, one pcb board 3, one oscillating plate 4 and a voice coil loudspeaker voice coil 5, the pars intermedia of described magnetic conductive board 1 is protruding upward conducting magnetic column 6, described magnet 2 with magnetic conductive board 1 stacked on top of one another and the two be fixedly connected with, described oscillating plate 4 is covered on the top of magnet 2, and described oscillating plate 4, magnet 2 and magnetic conductive board 1 surround and are formed with a cavity, described magnet 2 is surrounded on conducting magnetic column 6 and there is space 7 therebetween, the upper end of described voice coil loudspeaker voice coil 5 is fixedly connected on oscillating plate 4, the lower end of described voice coil loudspeaker voice coil 5 extends and is surrounded on described conducting magnetic column 6 in the space 7 between magnet 2 and conducting magnetic column 6, described pcb board 3 is fixedly connected on the bottom of magnetic conductive board 1, described conducting magnetic column 6 offers the through hole 8 will be communicated with inside and outside described cavity, the lead-in wire 9 of described voice coil loudspeaker voice coil 5 is welded in pcb board 3 through described through hole 8.
In above-mentioned electroacoustic transducer, magnetic circuit is formed by magnetic conductive board 1, magnet 2 and conducting magnetic column 6, voice coil loudspeaker voice coil 5 is surrounded on conducting magnetic column 6, conducting magnetic column 6 is provided with through hole 8, an effect of this through hole 8 is that the air flowing inside and outside for cavity provides passage, make voice coil loudspeaker voice coil 5 drive oscillating plate 4 vibration sounding, another effect of this through hole 8 is 9 to provide cable tray for going between, and lead-in wire 9 can be stretched out outside cavity and be soldered to pcb board 3.The electroacoustic transducer that the utility model proposes, it needs the large building block of the magnet 2 of magnetic conductive board 1, ring-type, pcb board 3, oscillating plate 4 and voice coil loudspeaker voice coil 5 five, without using the comparatively large and support of heaviness, above-mentioned parts are fixed, the volume of electroacoustic transducer is enable greatly to reduce and accomplish superminiature, simultaneously, also simplify product structure, be more easy to assembling.In addition, lead-in wire 9 stretches out through through hole 8, thus the extended distance of lead-in wire 9 in cavity is substantially reduced, without the need to oscillating plate 4 dozens of glue, decrease the load of oscillating plate 4, avoid and cause harmful effect because of oscillating plate 4 dozens of glue, make this electroacoustic transducer can fully meet the requirements such as high power, low distortion, lower resonant frequency, wide working band.
As a kind of optimal way, described through hole 8 is for passing vertically through the through hole of conducting magnetic column 6, and in practical application, this through hole 8 can be arranged at the vertical centerline of conducting magnetic column 6.Further, the inwall of described through hole 8 is stepped, and the inner diameter of this through hole 8 from top to bottom increases successively, and above-mentioned step structure can not only reduce product materials and product weight, also contribute to because the opening of through hole 8 lower end is enough large lead-in wire through.
In order to avoid the edge of oscillating plate 4 leaks gas, the edge of described oscillating plate 4 is fixedly connected with magnet 2 is airtight, specifically airtight fixing by glue.
In the present embodiment, the quantity of described lead-in wire 9 is two, and described lead-in wire 9 extends along the inwall of through hole 8.For the ease of processing, described magnetic conductive board 1 is shaping with conducting magnetic column 6 integrated punching.In addition, described magnet 2 is adhesively fixed by glue with magnetic conductive board 1, and described pcb board 3 is adhesively fixed by glue with magnetic conductive board 1, and upper end and the oscillating plate 4 of described voice coil loudspeaker voice coil 5 are adhesively fixed by glue.
Superminiature moving-coil type electro-acoustic conversing device disclosed in the utility model only needs the large building block of magnetic conductive board 1, magnet 2, pcb board 3, oscillating plate 4 and voice coil loudspeaker voice coil 5 five, without the need to supporting structure, electroacoustic transducer is enable to reach superminiature specification, simultaneously, lead-in wire 9 can stretch out through through hole 8, thus without the need to oscillating plate 4 dozens of glue, this electroacoustic transducer is made can fully to meet the requirements such as high power, low distortion, lower resonant frequency, wide working band.
The above is the utility model preferred embodiment, is not limited to the utility model, all make in technical scope of the present utility model amendment, equivalent to replace or improvement etc., all should be included in scope that the utility model protects.
Claims (10)
1. a superminiature moving-coil type electro-acoustic conversing device, it is characterized in that, include a magnetic conductive board, the magnet of one ring-type, one pcb board, one oscillating plate and a voice coil loudspeaker voice coil, the pars intermedia of described magnetic conductive board is protruding upward conducting magnetic column, described magnet with magnetic conductive board stacked on top of one another and the two be fixedly connected with, described oscillating plate is covered on the top of magnet, and described oscillating plate, magnet and magnetic conductive board surround and are formed with a cavity, described magnet ring is around in conducting magnetic column and there is space therebetween, the upper end of described voice coil loudspeaker voice coil is fixedly connected on oscillating plate, the lower end of described voice coil loudspeaker voice coil extends and is surrounded on described conducting magnetic column in the space between magnet and conducting magnetic column, described pcb board is fixedly connected on the bottom of magnetic conductive board, described conducting magnetic column offers the through hole will be communicated with inside and outside described cavity, the lead-in wire of described voice coil loudspeaker voice coil is welded in pcb board through described through hole.
2. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, described through hole is the through hole passing vertically through conducting magnetic column.
3. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 2, it is characterized in that, the inwall of described through hole is stepped, and the inner diameter of this through hole from top to bottom increases successively.
4. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, the edge of described oscillating plate is fixedly connected with magnet is airtight.
5. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, the quantity of described lead-in wire is two.
6. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, is characterized in that, described magnetic conductive board and conducting magnetic column integrated punching shaping.
7. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, described lead-in wire extends along the inwall of through hole.
8. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, described magnet and magnetic conductive board are adhesively fixed by glue.
9. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, described pcb board and magnetic conductive board are adhesively fixed by glue.
10. superminiature moving-coil type electro-acoustic conversing device as claimed in claim 1, it is characterized in that, upper end and the oscillating plate of described voice coil loudspeaker voice coil are adhesively fixed by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706529.0U CN204231660U (en) | 2014-11-21 | 2014-11-21 | A kind of superminiature moving-coil type electro-acoustic conversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706529.0U CN204231660U (en) | 2014-11-21 | 2014-11-21 | A kind of superminiature moving-coil type electro-acoustic conversing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204231660U true CN204231660U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420706529.0U Expired - Fee Related CN204231660U (en) | 2014-11-21 | 2014-11-21 | A kind of superminiature moving-coil type electro-acoustic conversing device |
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| CN (1) | CN204231660U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378722A (en) * | 2014-11-21 | 2015-02-25 | 音品电子（深圳）有限公司 | Ultra-miniature moving-coil electric-acoustic converter |
| WO2017059824A1 (en) * | 2015-10-06 | 2017-04-13 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with flexible coilwire connection |
-
2014
- 2014-11-21 CN CN201420706529.0U patent/CN204231660U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104378722A (en) * | 2014-11-21 | 2015-02-25 | 音品电子（深圳）有限公司 | Ultra-miniature moving-coil electric-acoustic converter |
| WO2017059824A1 (en) * | 2015-10-06 | 2017-04-13 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with flexible coilwire connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150325 Termination date: 20161121 |