CN202014355U - Microphone and terminal - Google Patents
Microphone and terminal Download PDFInfo
- Publication number
- CN202014355U CN202014355U CN2010206842119U CN201020684211U CN202014355U CN 202014355 U CN202014355 U CN 202014355U CN 2010206842119 U CN2010206842119 U CN 2010206842119U CN 201020684211 U CN201020684211 U CN 201020684211U CN 202014355 U CN202014355 U CN 202014355U
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- microphone
- pole end
- negative pole
- positive terminal
- microphone body
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Abstract
The utility model belongs to the technical field of electronic parts and components and provides a microphone and a terminal which includes the microphone. The microphone comprises a microphone body, wherein the microphone body is sleeved with a sealing sleeve, the microphone body is provided with a positive pole end and a negative pole end. The positive pole end and the negative pole end are respectively provided with an electroconductive spring, each electroconductive spring extends out of the sealing sleeve and is in electric connection with an external power supply circuit of the microphone body, and the positive pole end and the negative pole end are respectively arranged at opposite edge positions of an end surface of the microphone body. Under the situation that the size of the microphone body is certain, by respectively arranging the positive pole end and the negative pole end at the opposite edge positions of the end surface of the microphone body, the space between the positive pole end and the negative pole end is enlarged, thereby eliminating short circuit caused by contact between the positive pole end and the negative pole end caused by tolerance accumulation. Simultaneously, the space between the positive pole end and the negative pole end is enlarged, thereby greatly reducing probability of short circuit caused by contact of the two springs when the two springs are skew.
Description
Technical field
The utility model belongs to technical field of electronic components, more particularly, relates to a kind of microphone and uses the terminal of this kind microphone.
Background technology
Microphone can be converted to voice signal the power conversion device of the signal of telecommunication and is widely used on the various electronic products of sound equipment, mobile phone, MP3, MP4, digital camera or the like as a kind of.And that the microphone that is used for mobile phone at present has is multiple, and wherein a kind of is the spring microphone.With reference to Fig. 1, Fig. 2, be the structure of existing a kind of spring microphone.The spring microphone comprises a microphone body 91, is sheathed on the outer sealing shroud 92 of microphone body 91 and is fixed on the described microphone body 91 and by two springs 93 that stretch out in the described sealing shroud 92 as shown in FIG..Described two springs 93 are connected with positive terminal and negative pole end on the microphone body 91 respectively.The other end of two springs 93 is connected with the mainboard (not shown) of electronic product, realizes the electric connection of microphone body 91 and mainboard by spring 93.
By among Fig. 1, Fig. 2 as can be seen, the positive terminal of existing microphone body 91 is positioned at the center of microphone body 91 1 end faces, negative pole end is positioned at the edge of microphone body 91, there are two kinds in this design and easily cause the positive terminal of microphone and the defective of negative pole end short circuit: one, under the situation of microphone body external diameter certain (being generally 4mm), because positive terminal is designed to the center, just make that the centre-to-centre spacing of positive terminal and negative pole end is too little, have only about 1.1mm, cause the positive terminal and the negative pole end short circuit of microphone owing to tolerance build-up easily; Two, be connected with positive terminal and negative pole end respectively owing to two springs 93, and because the centre-to-centre spacing of positive terminal and negative pole end is too little, objectively cause the size of two springs 93 less than normal, external diameter has only about 0.6mm, so the shape of two springs 93 can only be designed to column, such two column springs 93 are easily crooked mutual touching and cause positive terminal and negative pole end short circuit with the mainboard pressing time.
The utility model content
Technical problem to be solved in the utility model is to overcome the defective of prior art, provides a kind of simple in structure, and can effectively prevent the microphone of internal short-circuit and use the terminal of this kind microphone.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of microphone is provided, comprise a microphone body, a sheathed sealing shroud on the described microphone body, have a positive terminal and a negative pole end on the described microphone body, be respectively equipped with a power spring on described positive terminal and the negative pole end, each described power spring is by stretching out in the described sealing shroud, be electrically connected the externally fed circuit of described microphone body, described positive terminal and negative pole end are located at an end face opposed edges place of described microphone body respectively.
The utility model also provides a kind of terminal of using this kind microphone.
In the utility model, under the certain situation of microphone body size, by positive terminal and negative pole end are arranged at microphone body one end face opposed edges place respectively, increased the spacing between positive terminal and the negative pole end, cause by tolerance stack that positive terminal and negative pole end are in contact with one another and the situation that is short-circuited thereby eliminated, simultaneously, because the increase of the spacing between positive terminal and the negative pole end, also reduce two power springs greatly and touch the probability that causes short circuit when crooked mutually.
Description of drawings
Fig. 1 is the schematic perspective view of microphone in the prior art;
Fig. 2 be in the prior art microphone cutaway view;
Fig. 3 is the schematic perspective view of a preferred embodiment of the microphone that provides of the utility model;
Fig. 4 is the cutaway view of a preferred embodiment of the microphone that provides of the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 3, Fig. 4, the structural representation of a kind of microphone that provides for the utility model.Described microphone comprises a microphone body 1, a sheathed sealing shroud 2 on the microphone body 1, have a positive terminal 11 and a negative pole end 12 on the microphone body 1, be respectively equipped with a power spring 3 on 1 positive terminal 11 and the negative pole end 12, each power spring 3 is by stretching out in the sealing shroud 2, wherein, positive terminal 11 and negative pole end 12 are located at an end face opposed edges place of microphone body 1 respectively.
Owing to the body general appearance of the spring microphone that is applied to electronic products such as mobile phone, MP3, MP4 or digital camera is less, external diameter is generally 4mm, between the positive terminal 11 and negative pole end 12 enough big gap is arranged in order to make on the microphone body 1 like this, positive terminal 11 and negative pole end 12 are located at an end face opposed edges place of microphone body 1.For microphone body 1 with special-shaped end face, positive terminal 11 and negative pole end 12 are arranged at the opposed edges place, have now positive terminal is located at the center, negative pole end is located at a side, the distance between positive terminal 11 and the negative pole end 12 increases greatly.And in the present embodiment, microphone body 1 is the cylindrical-shaped structure of a rule, and positive terminal 11 and negative pole end 12 are relatively arranged on the cylindrical-shaped structure circular end surface, and the line between the two passes the central point of circular end surface.Like this, external diameter in microphone body 1 still is under the situation of 4mm, centre-to-centre spacing between positive terminal 11 and the negative pole end 12 can increase to 1.6mm, this distance is for the microphone body 1 that external diameter is 4mm, it can be eliminated by tolerance stack and cause that positive terminal 11 and negative pole end 12 are in contact with one another and the situation of short circuit, simultaneously, because the increase of the spacing between positive terminal 11 and the negative pole end 12, also reduce two power springs 3 greatly and touch the probability that causes short circuit when crooked mutually.
In the present embodiment, microphone applications is when electronic products such as mobile phone, MP3, MP4 or digital camera, and it is located on the casing in the containing cavity that is complementary with the microphone profile, and simultaneously, microphone electrically connects by power spring 3 and feed circuit of mainboard.And the casing containing cavity around and mainboard on it the corresponding position be provided with the location structure that matches.Described location structure can be location hole and the reference column that cooperatively interacts.When casing is fixedlyed connected with mainboard, just contact by two power springs 3 that stretch out on the microphone body 1 with predefined position on the mainboard, because two power springs 3 are connected with the positive terminal 11 and the negative pole end 12 of microphone body 1 respectively, thereby by the electric connection between two power springs, 3 realization microphones and the mainboard.
And because when installing between the casing of electronic product and the mainboard, can press fit arrangement between casing and the mainboard.Though, described positive terminal 11 has certain spacing with described negative pole end 12, the probability that power spring 3 touchings that reduced to be connected with described positive terminal 11 and negative pole end 12 respectively greatly are short-circuited, but in order to drop to this probability minimum further, in the present embodiment, described two power springs 3 all are designed to cone-shaped structure.The big end in coniform power spring 3 bottoms is individually fixed on positive terminal 11 and the negative pole end 12, and its top small end stretches out outside the sealing shroud 2.In the pressing process, even power spring 3 top small ends are squeezed and take place crookedly, it still can the automatic capturing center, is reset to former plumbness, thereby effectively avoids between two power springs 3 touching mutually and cause positive terminal 11 and negative pole end 12 to be short-circuited.Correspondingly, for cooperating the structure of power spring 3, sealing shroud 2 is round table-like structure, and being big opening near microphone body 11 1 sides, is little opening away from microphone body 1 one sides.
Prioritization scheme as present embodiment, because microphone body 1 is packed into behind the sealing shroud 2, again this integral body is packed in the containing cavity of casing of electronic product, place on the microphone in the containing cavity positive terminal 11 and negative pole end 12 respectively with mainboard on predefined position electrically contact.And for fear of this moment when packing into the positive terminal 11 and the negative pole end 12 of microphone out of position and not corresponding with mainboard, so sealing shroud 2 and positive terminal 11 and negative pole end 12 corresponding both sides are designed to dissymmetrical structure.Shown in Fig. 3, in the present embodiment, sealing shroud 2 and positive terminal 11 corresponding lateral edges are arc shape, and a lateral edges corresponding with negative pole end 12 is linearity.Like this, when mounted, can simply positive terminal 11 and negative pole end 12 be made a distinction.Certainly, the structure of sealing shroud 2 also is not limited to the structure described in the present embodiment, as long as described sealing shroud 2 and described positive terminal 11 and described negative pole end 12 corresponding both sides are designed to dissymmetrical structure all within protection range of the present utility model.
As a more prioritization scheme of present embodiment, positive terminal 11 and negative pole end 12 places are equipped with corresponding sign 13.Described sign 13 can be label, also can be the mark that etching forms.Simultaneously, sealing shroud 2 is a Transparent Parts, like this, sees through sealing shroud 2 and can know and see sign, conveniently checks, does anti-thereby avoid positive terminal 11 and negative pole end 12 put upside down.Adopt the design of this sign,, all the positive terminal 11 and the negative pole end 12 of microphone body 1 can be made a distinction, thereby prevent to make mistakes no matter whether sealing shroud 2 and positive terminal 11 and negative pole end 12 corresponding both sides are designed to dissymmetrical structure.
The utility model also discloses a kind of terminal, uses above-mentioned microphone, and has the counter structure that cooperates this kind microphone.
Below only be preferred embodiment of the present utility model,, all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model not in order to restriction the utility model.
Claims (9)
1. microphone, comprise a microphone body, a sheathed sealing shroud on the described microphone body, have a positive terminal and a negative pole end on the described microphone body, be respectively equipped with a power spring on described positive terminal and the negative pole end, each described power spring is electrically connected the externally fed circuit of described microphone body by stretching out in the described sealing shroud, it is characterized in that: described positive terminal and negative pole end are located at an end face opposed edges place of described microphone body respectively.
2. microphone as claimed in claim 1, it is characterized in that: described power spring is cone-shaped structure, and the big end in the bottom of coniform power spring is individually fixed on described positive terminal and the described negative pole end, and the top small end stretches out described sealing shroud, is electrically connected the externally fed circuit of described microphone.
3. microphone as claimed in claim 1 or 2 is characterized in that: described sealing shroud cooperates described power spring to be round table-like structure, and being big opening near microphone body one side, is little opening away from microphone body one side.
4. microphone as claimed in claim 3 is characterized in that: described positive terminal and negative pole end place are equipped with the mark component of indication both positive and negative polarity.
5. microphone as claimed in claim 4 is characterized in that: described sealing shroud is a Transparent Parts.
6. microphone as claimed in claim 1 or 2 is characterized in that: the both sides that described sealing shroud is corresponding with described positive terminal and described negative pole end are dissymmetrical structure.
7. microphone as claimed in claim 6 is characterized in that: described positive terminal and negative pole end place are equipped with the mark component of indication both positive and negative polarity.
8. a kind of microphone as claimed in claim 7 is characterized in that: described sealing shroud is a Transparent Parts.
9. a terminal is characterized in that: use each described microphone of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206842119U CN202014355U (en) | 2010-12-28 | 2010-12-28 | Microphone and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206842119U CN202014355U (en) | 2010-12-28 | 2010-12-28 | Microphone and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202014355U true CN202014355U (en) | 2011-10-19 |
Family
ID=44784965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206842119U Expired - Fee Related CN202014355U (en) | 2010-12-28 | 2010-12-28 | Microphone and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202014355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920323A (en) * | 2016-10-10 | 2018-04-17 | 中兴通讯股份有限公司 | A kind of microphone sealing device |
-
2010
- 2010-12-28 CN CN2010206842119U patent/CN202014355U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920323A (en) * | 2016-10-10 | 2018-04-17 | 中兴通讯股份有限公司 | A kind of microphone sealing device |
| CN107920323B (en) * | 2016-10-10 | 2020-10-16 | 中兴通讯股份有限公司 | Microphone sealing device |
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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 |
Granted publication date: 20111019 Termination date: 20191228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |