CN205105359U - Cylindricality contact microphone - Google Patents
Cylindricality contact microphone Download PDFInfo
- Publication number
- CN205105359U CN205105359U CN201520831097.0U CN201520831097U CN205105359U CN 205105359 U CN205105359 U CN 205105359U CN 201520831097 U CN201520831097 U CN 201520831097U CN 205105359 U CN205105359 U CN 205105359U
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- CN
- China
- Prior art keywords
- connecting plate
- shell
- subordinate
- brace
- circuit board
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a cylindricality contact microphone relates to audio equipment technical field, and that solve is the inconvenient technical problem of current contact microphone assembly. This microphone includes the shell, reaches ann cased circuit board, piezoceramics piece, subordinate's connecting plate, leads electrode collar, the shell is one or two segmentation cylindricality conductive barrel body, connection piece and the upward section of thick bamboo section of shell and the step electrical connection of lower section joint portion under the negative signal of subordinate's connecting plate, connection piece electrical connection under the base of leading electrode collar and the positive signal of subordinate's connecting plate, the piezoceramics piece is planted in the shell, and connection piece under connection piece under the positive signal of subordinate's connecting plate, the burden signal is connected respectively to the positive negative pole of piezoceramics piece, in the positive signal of circuit board the connection piece with lead the going up along electrical connection of electrode collar, going up along inwards buckling of shell to with connection piece electrical connection on the negative signal of circuit board. The utility model provides a microphone can reduce the manufacturing cost of enterprise.
Description
Technical field
The utility model relates to audio frequency apparatus technology, particularly relates to a kind of technology of cylindrical contact formula microphone.
Background technology
Traditional microphone is mostly electret microphone, and sound is converted to the signal of telecommunication by electret vibrating membrane by this microphone, and when ambient noise is larger, its pickup effect is poor.
Piezoelectric microphones is that the vibration produced by sound by piezoelectric ceramic piece is converted to the signal of telecommunication, and the environment pickup effect larger at noise is better.But existing piezoelectric microphones structure is comparatively complicated, and volume is comparatively large, assembling trouble, and its processing mode and traditional electret microphone are distinguished comparatively large, need procuring equipment separately to carry out production and processing, which increase the production cost of microphone manufacturing enterprise.
Utility model content
For the defect existed in above-mentioned prior art, technical problem to be solved in the utility model is to provide that a kind of structure is simple, volume is little, and easy to assembly, can reduce the cylindrical contact formula microphone of enterprise's production cost.
In order to solve the problems of the technologies described above, a kind of cylindrical contact formula microphone provided by the utility model, is characterized in that: comprise shell, and installs circuit board in the enclosure, it is characterized in that: also comprise piezoelectric ceramic piece;
Described shell is a upper coarse and lower fine two-part cylindricality conduction cylindrical shell, and the top cylinder section of shell and the joint portion of doffing section form step, and the top cylinder section of shell conducts electricity polar ring built with once level connecting plate;
The center of described subordinate connecting plate has via hole, the upper face edge part of subordinate's connecting plate is fixed with brace under positive signal, the lower face edge part of subordinate's connecting plate is fixed with brace under negative signal, under negative signal wherein, brace presses against the top cylinder section of shell and the step of doffing section joint portion, and forms electrical connection;
Described conduction polar ring is ring shaped conductor, and conduction polar ring is arranged on subordinate's connecting plate, brace under the positive signal that the base of conduction polar ring presses against on subordinate's connecting plate, and forms electrical connection, and the periphery of conduction polar ring is equipped with the annular isolation ring of an insulation;
Described piezoelectric ceramic piece is inserted in shell, the center via hole of subordinate's connecting plate is passed in the upper end of piezoelectric ceramic piece, brace under the positive signal of the positive pole connection subordinate connecting plate of piezoelectric ceramic piece, brace under the negative signal of the negative pole connection subordinate connecting plate of piezoelectric ceramic piece;
Described circuit board is arranged on the upper end of conduction polar ring, the lower face of circuit board is fixed with brace in positive signal, the upper face of circuit board is fixed with brace on negative signal, in positive signal wherein, brace presses against the upper edge of conduction polar ring, and forms electrical connection;
The upper edge of described shell bends inwards, and presses against brace on the negative signal on circuit board, forms electrical connection.
Further, the lower end of piezoelectric ceramic piece is fixed with balancing weight.
The cylindrical contact formula microphone that the utility model provides, have employed the structure similar to electret microphone, and piezoelectric ceramic piece is by shell, conduction polar ring connecting circuit board, its structure is simple, volume is little, and it is easy to assembly, directly can utilize manufacturing and processing equipment and the part accessory of electret microphone, enterprise's production cost can be reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cylindrical contact formula microphone of the utility model embodiment;
Fig. 2 is the cylindrical contact formula microphone three-dimensional exploded view of the utility model embodiment.
Embodiment
Illustrate below in conjunction with accompanying drawing and embodiment of the present utility model is described in further detail; but the present embodiment is not limited to the utility model; every employing analog structure of the present utility model and similar change thereof; protection range of the present utility model all should be listed in, the pause mark in the utility model all represent and relation.
As Figure 1-Figure 2, a kind of cylindrical contact formula microphone that the utility model embodiment provides, is characterized in that: comprise shell, and installs circuit board 4 in the enclosure, it is characterized in that: also comprise piezoelectric ceramic piece 2;
Described shell is a upper coarse and lower fine two-part cylindricality conduction cylindrical shell, and the top cylinder section 11 of shell forms step 13 with the joint portion of doffing section 12, and the top cylinder section 11 of shell is built with once level connecting plate 3, conduction polar ring 5;
The center of described subordinate connecting plate 3 has via hole, the upper face edge part of subordinate's connecting plate 3 is fixed with brace under positive signal, the lower face edge part of subordinate's connecting plate 3 is fixed with brace under negative signal, under negative signal wherein, brace presses against the top cylinder section of shell and the step 13 of doffing section joint portion, and forms electrical connection;
Described conduction polar ring 5 is ring shaped conductor, conduction polar ring 5 is arranged on subordinate's connecting plate 3, brace under the positive signal that the base of conduction polar ring 5 presses against on subordinate's connecting plate 3, and form electrical connection, the periphery of conduction polar ring 5 is equipped with the annular isolation ring 6 of an insulation;
Described piezoelectric ceramic piece 2 is inserted in shell, the center via hole of subordinate's connecting plate 3 is passed in the upper end of piezoelectric ceramic piece 2, brace under the positive signal of the positive pole connection subordinate connecting plate 3 of piezoelectric ceramic piece 2, brace under the negative signal of the negative pole connection subordinate connecting plate 3 of piezoelectric ceramic piece 2, the lower end of piezoelectric ceramic piece 2 is fixed with balancing weight 21;
Described circuit board 4 is arranged on the upper end of conduction polar ring 5, the lower face of circuit board 4 is fixed with brace in positive signal, the upper face of circuit board 4 is fixed with brace on negative signal, in positive signal wherein, brace presses against the upper edge of conduction polar ring 5, and forms electrical connection;
The upper edge of described shell bends inwards, and presses against brace on the negative signal on circuit board 4, forms electrical connection.
The operation principle of the utility model embodiment and the difference of traditional electret microphone, be to instead of electret vibrating membrane with piezoelectric ceramic piece, thus achieve contacting microphone, gather its vibration by contact object and make piezoelectric ceramic vibration deformation, thus form signal of telecommunication output.
Claims (2)
1. a cylindrical contact formula microphone, is characterized in that: comprise shell, and installs circuit board in the enclosure, it is characterized in that: also comprise piezoelectric ceramic piece;
Described shell is a upper coarse and lower fine two-part cylindricality conduction cylindrical shell, and the top cylinder section of shell and the joint portion of doffing section form step, and the top cylinder section of shell conducts electricity polar ring built with once level connecting plate;
The center of described subordinate connecting plate has via hole, the upper face edge part of subordinate's connecting plate is fixed with brace under positive signal, the lower face edge part of subordinate's connecting plate is fixed with brace under negative signal, under negative signal wherein, brace presses against the top cylinder section of shell and the step of doffing section joint portion, and forms electrical connection;
Described conduction polar ring is ring shaped conductor, and conduction polar ring is arranged on subordinate's connecting plate, brace under the positive signal that the base of conduction polar ring presses against on subordinate's connecting plate, and forms electrical connection, and the periphery of conduction polar ring is equipped with the annular isolation ring of an insulation;
Described piezoelectric ceramic piece is inserted in shell, the center via hole of subordinate's connecting plate is passed in the upper end of piezoelectric ceramic piece, brace under the positive signal of the positive pole connection subordinate connecting plate of piezoelectric ceramic piece, brace under the negative signal of the negative pole connection subordinate connecting plate of piezoelectric ceramic piece;
Described circuit board is arranged on the upper end of conduction polar ring, the lower face of circuit board is fixed with brace in positive signal, the upper face of circuit board is fixed with brace on negative signal, in positive signal wherein, brace presses against the upper edge of conduction polar ring, and forms electrical connection;
The upper edge of described shell bends inwards, and presses against brace on the negative signal on circuit board, forms electrical connection.
2. cylindrical contact formula microphone according to claim 1, is characterized in that: the lower end of piezoelectric ceramic piece is fixed with balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831097.0U CN205105359U (en) | 2015-10-26 | 2015-10-26 | Cylindricality contact microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520831097.0U CN205105359U (en) | 2015-10-26 | 2015-10-26 | Cylindricality contact microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205105359U true CN205105359U (en) | 2016-03-23 |
Family
ID=55521107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520831097.0U Withdrawn - After Issue CN205105359U (en) | 2015-10-26 | 2015-10-26 | Cylindricality contact microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205105359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245984A (en) * | 2015-10-26 | 2016-01-13 | 胡强 | Cylindrical contact microphone |
-
2015
- 2015-10-26 CN CN201520831097.0U patent/CN205105359U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245984A (en) * | 2015-10-26 | 2016-01-13 | 胡强 | Cylindrical contact microphone |
| WO2017071109A1 (en) * | 2015-10-26 | 2017-05-04 | 胡强 | Cylindrical contact-type microphone |
| CN105245984B (en) * | 2015-10-26 | 2018-01-19 | 苏州登堡电子科技有限公司 | Cylindrical contact formula microphone |
| US10158950B2 (en) | 2015-10-26 | 2018-12-18 | Qiang Hu | Cylindrical contact-type microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20180119 |