CN203708472U - Sounding device - Google Patents
Sounding device Download PDFInfo
- Publication number
- CN203708472U CN203708472U CN201320869501.4U CN201320869501U CN203708472U CN 203708472 U CN203708472 U CN 203708472U CN 201320869501 U CN201320869501 U CN 201320869501U CN 203708472 U CN203708472 U CN 203708472U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- shell
- conducting terminal
- microphone device
- magnetic circuit
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 6
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a sounding device, comprising a vibration system, a magnetic circuit system, and a housing. The vibration system comprises a vibrating diaphragm and a voice coil combined on a side of the vibrating diaphragm, and also comprises an electrical connecting piece. The upper side surface of the housing and the outer side surface of the housing side wall are provided with a holding structure formed by removing a material. The electrical connecting piece is disposed on the outer surface of the holding structure. The upper side surface of the housing is fixedly combined with the vibrating diaphragm. The holding structure on the upper side surface of the housing is a groove shaped combining portion formed by removing the material. A voice coil lead of the voice coil is disposed on the lower side of the vibrating diaphragm, and the voice coil lead is led out from the position of the combining portion. The voice coil lead is electrically connected with the electrical connecting piece on the position of the combining portion. The structure can make dimensions of inner parts of the electrical connecting piece maximum, being beneficial for improving acoustic performance of a product. A forming process of the product is simplified, preventing defects emerging when the electrical connecting piece is fixedly combined with the housing through an injection moulding method, thereby improving yield of products.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of microphone device.
Background technology
Microphone device of the prior art generally includes vibrational system, magnetic circuit system, and accommodate the shell of fixing vibrational system and magnetic circuit system, and wherein, vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into vibrating diaphragm one side, magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil.In existing structure, microphone device mainly contains two kinds of structures: loudspeaker monomer or loud speaker module, wherein, the shell of the shell of loudspeaker monomer and loud speaker module is generally plastic construction.In microphone device, also comprise the electrical connector of electrical connection voice coil loudspeaker voice coil and external circuit, electrical connector of the prior art is generally metal clips or FPCB(flexible circuit board), shell fragment normally adopts the mode of injection moulding and shell secure bond, and FPCB is conventionally by mode and shell secure bond such as bondings.
Conventionally there is following defect in the electrical connector of this structure: 1. can take the inner space of microphone device, the size of parts in microphone device is restricted, be unfavorable for improving the acoustical behavior of product; 2. the shape of electrical connector is single, cannot make corresponding adjustment according to the concrete structure of microphone device; 3. complex manufacturing technology, and other defect easily appears in shell fragment in the time that plastic casing injection moulding is combined, as: shrink, plastic casing fracture or to float tin etc. bad.Therefore, be necessary the microphone device of said structure to improve, to avoid above-mentioned defect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of microphone device, can reduce electrical connector taking microphone device inner space, and can design corresponding electrical connector according to the concrete structure of microphone device, and technique is simple, rate of finished products is high.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of microphone device, and involving vibrations system, magnetic circuit system, and accommodate the shell of 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, described magnetic circuit system forms the magnetic gap of accommodating described voice coil loudspeaker voice coil, wherein, also comprise electrical connector, on the upper side of described shell and the lateral surface of side wall of outer shell, be equipped with the accommodating structure that material forms, described electrical connector is arranged at the outer surface of described accommodating structure; The upper side of described shell and described vibrating diaphragm secure bond, the accommodating structure on described shell upper side is the joint portion of the groove shape of material formation; The voice coil leads of described voice coil loudspeaker voice coil is positioned at the downside of described vibrating diaphragm, and from the position outlet at place, described joint portion; Described voice coil leads is electrically connected in the position at place, described joint portion with described electrical connector.
In addition, preferred scheme is, described electrical connector is structure as a whole, and comprises the first conducting terminal, the second conducting terminal, and connect the connecting portion of described the first conducting terminal and described the second conducting terminal; Described the first conducting terminal is electrically connected with the voice coil leads of described voice coil loudspeaker voice coil, and described the second conducting terminal is electrically connected with external circuit.
In addition, preferably scheme is, described the first conducting terminal is arranged on the joint portion of described accommodating structure, and the shape of described the first conducting terminal is consistent with the shape of described joint portion is the structure of groove shape.
In addition, preferably scheme is, the bottom of described shell is also provided with accommodating structure, and described the second conducting terminal is arranged in the accommodating structure of described outer casing bottom; Described connecting portion is on the lateral surface of described side wall of outer shell.
In addition, preferred scheme is that described electrical connector is the conductive metal layer that is electroplated onto described accommodating structure surface.
In addition, preferred scheme is that described electrical connector is the moulding that surface electrical is coated with conductive metal layer.
In addition, preferred scheme is that described conductive metal layer is to be corroded and formed by laser.
In addition, preferably scheme is, the basin frame that described magnetic circuit system comprises magnet and is combined with described magnet, and described shell is rectangular configuration, the major axis sidewall of described shell is provided with the avoiding structure of dodging described magnetic circuit system that material forms, and described avoiding structure is communicated with the both sides of described major axis sidewall.
In addition, preferably scheme is, described magnetic circuit system is two magnetic route structure, comprises the center magnetic path that is positioned at center and the external magnetic circuit that is positioned at marginal position, and the center of described shell major axis sidewall is provided with the avoiding structure of dodging described external magnetic circuit that material forms.
Adopt after technique scheme, compared with traditional structure, the electrical connector of the utility model microphone device is to be arranged on the outer surface of shell according to the concrete structure of product, and be the conductive path forming by modes such as plating, therefore electrical connector the too much space of vacant microphone device, can make the size of electrical connector inner body maximize, be conducive to improve the acoustical behavior of product; And can simplify the moulding process of product, the defect occurring while avoiding electrical connector by injection moulding mode and shell secure bond, the rate of finished products of raising product.
Brief description of the drawings
By below in conjunction with accompanying drawing, the utility model being described, above-mentioned feature of the present utility model and technological merit will become apparent and easily understand.
Fig. 1 is the stereo decomposing structural representation of the utility model microphone device;
Fig. 2 is the stereo decomposing structural representation of the utility model shell and electrical connector;
Fig. 3 is the perspective view one of the utility model microphone device;
Fig. 4 is the structure for amplifying schematic diagram of the part of A shown in Fig. 3;
Fig. 5 is the perspective view two of the utility model microphone device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to further detailed description.
As depicted in figs. 1 and 2, microphone device involving vibrations system, magnetic circuit system and the shell 1 of accommodating fixing vibrational system and magnetic circuit system, wherein vibrational system comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22 that is incorporated into vibrating diaphragm 21 1 sides, magnetic circuit system forms the magnetic gap of accommodating voice coil loudspeaker voice coil 22.The present embodiment magnetic circuit system is washer, magnet and the basin frame 33 that two magnetic route structure comprises combination successively; The center of basin frame 33 is combined with center magnetic path, and marginal position is combined with limit magnetic circuit; Center magnetic path comprises centring magnet 312 and is positioned at centring magnet 312 away from basin frame 33Yi Ce center washer 311, and the position at basin frame 33 edges is combined with limit magnet 322 and limit washer 321; Wherein between center magnetic path, external magnetic circuit and basin frame 33, form magnetic loop, in the magnetic loop that voice coil loudspeaker voice coil 22 forms at magnetic circuit system, be subject to the effect up-down vibration of Ampere force, further drive vibrating diaphragm generation of vibration sound.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, shell 1 is rectangular ring structure, comprise major axis limit and minor axis limit, wherein major axis sidewall is provided with the avoiding structure hollowing out 10 that material forms, avoiding structure 10 is communicated with shell 1 inner side and outside, and the marginal portion of limit washer 321, limit magnet 322 and basin frame 33 is arranged in avoiding structure 10.The design of the avoiding structure 10 hollowing out is set on the major axis sidewall of this shell 1, can makes magnetic circuit system (the present embodiment is external magnetic circuit) take the space of traditional structure housing 1 sidewall, thereby increase the volume of magnetic circuit system, improved the magnetic property of product.
The utility model also comprises the electrical connector 4 of circuit in electrical connection voice coil loudspeaker voice coil 22 and terminal electronics, and wherein electrical connector 4 is arranged on shell 1.As shown in Figure 2 and Figure 5, the present embodiment electrical connector 4 is arranged on the lateral surface of shell 1, and shell 1 comprises the accommodating structure 11 of accommodating electrical connector 4, and as shown in Figure 2, electrical connector 4 is arranged in accommodating structure 11.The present embodiment electrical connector 4 is structure as a whole, comprise the first conducting terminal 41 that is arranged at shell 1 upper side one side of vibrating diaphragm 21 (in conjunction with), be incorporated into the second conducting terminal 43 of the downside one side of vibrating diaphragm 21 (away from) of shell 1, wherein between the first conducting terminal 41 and the second conducting terminal 43, be electrically connected by connecting portion 42, connecting portion 42 is positioned at the sidewall outside of shell 1.Wherein the first conducting terminal 41 is electrically connected by the mode of spot welding or painting conducting resinl with the voice coil leads 220 of voice coil loudspeaker voice coil 22, the second conducting terminal 43 is for being electrically connected with external circuit, connecting portion 42 can be communicated with the first conducting terminal 41 signal of telecommunication in the second conducting terminal 43, realizes the control of the second conducting terminal 43 to the signal of telecommunication in the first conducting terminal 41.
As shown in Figures 1 to 4, the part that accommodating structure 11 is positioned at shell 1 upper surface is provided with the joint portion 110 of groove shape, vibrating diaphragm 21 is incorporated on the upper side of shell 1, joint portion 110 is positioned at the position of vibrating diaphragm 1 downside, as shown in Figure 3 and Figure 4, wherein Fig. 3, Fig. 4 are the structural representation removing after a part of vibrating diaphragm.The corresponding groove shape structure that is similarly of structure of the first conducting terminal 41 and joint portion 110, the lead-in wire 220 of voice coil loudspeaker voice coil 22 is electrically connected with electrical connector 4 at the first conducting terminal 41 places of groove shape, and voice coil leads 220 is from the upside outlet of voice coil loudspeaker voice coil 22.This structure can shorten the thread of voice coil leads 220 fair lines, make voice coil leads 220 be not easy occur broken string etc. bad.
Preferably, electrical connector 4 is conductive metal layer, and conductive metal layer is electroplated onto on accommodating structure 11 by plating mode, on plastic casing 1 corresponding to the position electroplating metal material of accommodating structure 11, to form conductive path.On shell 1, electroplate conductive metal layer and form after electrical connector 4, electrical connector 4 and the structure of shell 1 for can not be split.
As a kind of improvement project, can form respectively moulding and shell 1 by the mode of double-shot moulding, then on moulding, electroplate conductive metal layer and form conductive path, finally by modes such as bondings, the moulding and shell 1 secure bond that are provided with conductive path are integrated., the moulding in this improvement project is the electrical connector 4 in the utility model with the conductive metal layer being electroplated onto on moulding.
In addition, the mode that forms conductive path is not limited to electroplate, and also can form conductive metal layer by modes such as laser corrosion.
The electrical connector 4 of microphone device of the present utility model is to be arranged on the outer surface of shell 1 according to the concrete structure of product, and be the conductive path forming by modes such as plating, therefore electrical connector 4 the too much space of vacant microphone device, can make the size of electrical connector 4 inner bodies maximize, be conducive to improve the acoustical behavior of product; And can simplify the moulding process of product, the defect occurring while avoiding electrical connector 4 by injection moulding mode and shell 1 secure bond, the rate of finished products of raising product.
Under above-mentioned instruction of the present utility model; those skilled in the art can carry out other improvement and distortion on the basis of above-described embodiment; and these improvement and distortion; all drop in 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 (9)
1. a microphone device, involving vibrations system, magnetic circuit system, and accommodate the shell of fixing described vibrational system and described magnetic circuit system; Described vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that is incorporated into described vibrating diaphragm one side, and described magnetic circuit system forms the magnetic gap of accommodating described voice coil loudspeaker voice coil, it is characterized in that,
Also comprise electrical connector, be equipped with the accommodating structure that material forms on the upper side of described shell and the lateral surface of side wall of outer shell, described electrical connector is arranged at the outer surface of described accommodating structure;
The upper side of described shell and described vibrating diaphragm secure bond, the accommodating structure on described shell upper side is the joint portion of the groove shape of material formation; The voice coil leads of described voice coil loudspeaker voice coil is positioned at the downside of described vibrating diaphragm, and from the position outlet at place, described joint portion; Described voice coil leads is electrically connected in the position at place, described joint portion with described electrical connector.
2. microphone device according to claim 1, is characterized in that, described electrical connector is structure as a whole, and comprises the first conducting terminal, the second conducting terminal, and connect the connecting portion of described the first conducting terminal and described the second conducting terminal;
Described the first conducting terminal is electrically connected with the voice coil leads of described voice coil loudspeaker voice coil, and described the second conducting terminal is electrically connected with external circuit.
3. microphone device according to claim 2, is characterized in that, described the first conducting terminal is arranged on the joint portion of described accommodating structure, and the shape of described the first conducting terminal is consistent with the shape of described joint portion is the structure of groove shape.
4. microphone device according to claim 2, is characterized in that, the bottom of described shell is also provided with accommodating structure, and described the second conducting terminal is arranged in the accommodating structure of described outer casing bottom;
Described connecting portion is on the lateral surface of described side wall of outer shell.
5. microphone device according to claim 3, is characterized in that, described electrical connector is the conductive metal layer that is electroplated onto described accommodating structure surface.
6. microphone device according to claim 3, is characterized in that, described electrical connector is the moulding that surface electrical is coated with conductive metal layer.
7. according to the microphone device described in claim 5 or 6, it is characterized in that, described conductive metal layer is to be corroded and formed by laser.
8. according to the microphone device described in the arbitrary claim of claim 1 to 6, it is characterized in that, the basin frame that described magnetic circuit system comprises magnet and is combined with described magnet, described shell is rectangular configuration, the major axis sidewall of described shell is provided with the avoiding structure of dodging described magnetic circuit system that material forms, and described avoiding structure is communicated with the both sides of described major axis sidewall.
9. microphone device according to claim 8, it is characterized in that, described magnetic circuit system is two magnetic route structure, comprise the center magnetic path that is positioned at center and the external magnetic circuit that is positioned at marginal position, the center of described shell major axis sidewall is provided with the avoiding structure of dodging described external magnetic circuit that material forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869501.4U CN203708472U (en) | 2013-12-26 | 2013-12-26 | Sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320869501.4U CN203708472U (en) | 2013-12-26 | 2013-12-26 | Sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708472U true CN203708472U (en) | 2014-07-09 |
Family
ID=51058847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320869501.4U Expired - Lifetime CN203708472U (en) | 2013-12-26 | 2013-12-26 | Sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708472U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959887A (en) * | 2016-06-29 | 2016-09-21 | 歌尔股份有限公司 | Loud speaker and loud speaker module |
| CN109936803A (en) * | 2019-02-26 | 2019-06-25 | 华为终端有限公司 | Loudspeaker, loudspeaker assembly and portable electronic device |
-
2013
- 2013-12-26 CN CN201320869501.4U patent/CN203708472U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959887A (en) * | 2016-06-29 | 2016-09-21 | 歌尔股份有限公司 | Loud speaker and loud speaker module |
| CN109936803A (en) * | 2019-02-26 | 2019-06-25 | 华为终端有限公司 | Loudspeaker, loudspeaker assembly and portable electronic device |
| WO2020173395A1 (en) * | 2019-02-26 | 2020-09-03 | 华为技术有限公司 | Speaker, speaker component, and portable electronic device |
| CN109936803B (en) * | 2019-02-26 | 2021-01-12 | 华为终端有限公司 | Speaker, speaker assembly and portable electronic device |
| EP3920553A4 (en) * | 2019-02-26 | 2022-03-23 | Huawei Technologies Co., Ltd. | Speaker, speaker component, and portable electronic device |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |