CN204697287U - Piezoelectric speaker - Google Patents
Piezoelectric speaker Download PDFInfo
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- CN204697287U CN204697287U CN201520392971.5U CN201520392971U CN204697287U CN 204697287 U CN204697287 U CN 204697287U CN 201520392971 U CN201520392971 U CN 201520392971U CN 204697287 U CN204697287 U CN 204697287U
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- piezoelectric
- piezoelectric speaker
- help circle
- listening help
- piezoelectric patches
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Abstract
The utility model discloses a kind of piezoelectric speaker, comprise conducting terminal, framework, the vibrating diaphragm fixed with described framework and the piezoelectric patches being fixed on described vibrating diaphragm, and: described piezoelectric speaker also comprises listening help circle, described listening help circle is planar voice-coil, and described plane listening help circle etching is arranged at described piezoelectric patches surface; Described piezoelectric patches is electrically connected with described conducting terminal respectively with described listening help circle.Piezoelectric speaker of the present utility model, listening help circle is etched on piezoelectric patches and does not take piezoelectric speaker inner space, does not increase piezoelectric speaker thickness, be conducive to the slimming design of product, further, reduce production difficulty during piezoelectric speaker assembling, simplify production technology; Listening help circle can not have an impact to piezoelectric speaker performance, is conducive to improving product performance.The utility model piezoelectric speaker has slimming and designs, and technique is simple, the advantage that performance is good.
Description
Technical field
The utility model relates to electroacoustic field, particularly relates to a kind of piezoelectric speaker.
Background technology
Along with the development of science and technology, portable electron device gets more and more people's extensive concerning, and speaker unit, as the main phonation unit of portable electronic terminal, directly affects the result of use of portable electron device.
Along with portable electron device is more and more thinner, the thickness of speaker unit more and more becomes the emphasis of industry concern.Piezoelectric speaker with its thickness thin and more and more become industry pay close attention to emphasis.In order to improve the effect of piezoelectric speaker, listening help circle is provided with in piezoelectric speaker, the piezoelectric speaker with listening help circle of prior art, need to place listening help circle separately, complex process, listening help circle takies piezoelectric speaker inner space, affects the performance of piezoelectric speaker, and improves production cost.
Therefore, be necessary to propose a kind of improvement, to overcome the defect that prior art arranges the piezoelectric speaker of listening help circle.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of slimming and designs, and technique is simple, the piezoelectric speaker that performance is good.
To achieve these goals, the utility model piezoelectric speaker is by the following technical solutions:
A kind of piezoelectric speaker, comprise conducting terminal, framework, the vibrating diaphragm fixed with described framework and the piezoelectric patches being fixed on described vibrating diaphragm, and: described piezoelectric speaker also comprises listening help circle, described listening help circle is planar voice-coil, and described plane listening help circle etching is arranged at described piezoelectric patches surface; Described piezoelectric patches is electrically connected with described conducting terminal respectively with described listening help circle.
As the preferred technical scheme of one, the corresponding described piezoelectric patches of described conducting terminal and described listening help circle are respectively arranged with pad, and described piezoelectric patches is electrically connected with described conducting terminal by described pad with described listening help circle.
As the preferred technical scheme of one, described piezoelectric patches is provided with electrode, and described piezoelectric patches electrode is electrically connected with described conducting terminal.As further preferred, described listening help circle is dodged described electrode and is arranged.
As the preferred technical scheme of one, described piezoelectric patches comprises two parts piezoelectric patches, and described two parts piezoelectric patches is arranged at the both sides of described vibrating diaphragm respectively, and described listening help circle is arranged in an arbitrary part for described two parts piezoelectric patches.
As the preferred version of above scheme, described listening help circle can be any one in silver, palladium, nickel, molybdenum-manganese alloy.
As the preferred technical scheme of one, described framework comprises protecgulum and back cover, and described protecgulum is provided with phonate hole.
As the preferred technical scheme of one, described vibrating diaphragm and described piezoelectric patches are connected and fixed by gasket ring.As further preferred technical scheme, described gasket ring is PEN material.
As the preferred technical scheme of one, described conducting terminal is flexible circuit board.
The utility model piezoelectric speaker, listening help circle is planar voice-coil, and listening help circle etching is arranged at the surface of piezoelectric patches, listening help circle and piezoelectric patches are wholely set, listening help circle does not take piezoelectric speaker inner space, does not increase piezoelectric speaker thickness, is conducive to the slimming design of product.Further, listening help circle is etched on piezoelectric patches, reduces production difficulty during piezoelectric speaker assembling, simplifies production technology; Listening help circle can not have an impact to piezoelectric speaker performance, is conducive to improving product performance.Therefore, the utility model piezoelectric speaker has slimming and designs, and technique is simple, the advantage that performance is good.
Accompanying drawing explanation
Fig. 1 is the utility model piezoelectric speaker exploded view;
Fig. 2 for the piezoelectric patches of piezoelectric speaker shown in Fig. 1, listening help circle with conducting terminal in conjunction with schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model content in detail:
As shown in Figures 1 and 2, the utility model piezoelectric speaker, comprises framework, the vibrating diaphragm 2 fixed with framework and the piezoelectric patches 3 with vibrating diaphragm 2 secure bond, and framework comprises protecgulum 11 and back cover 12, and vibrating diaphragm 2 collecting is fixed between protecgulum 11 and back cover 12.The utility model piezoelectric speaker also comprises conducting terminal 5, and piezoelectric patches 3 is electrically connected with conducting terminal 5.Piezoelectric patches 3 and external circuit are electrically coupled by conducting terminal 5, and external drive signal enters into piezoelectric patches 3 by conducting terminal 5, and piezoelectric patches 3 produces inverse piezoelectric effect and vibrates, and drive vibrating diaphragm 2 to vibrate, and air sounding is instigated in vibrating diaphragm 2 vibration.
As shown in Figure 2, the utility model piezoelectric speaker also comprises listening help circle 6, and listening help circle 6 is planar voice-coil, and etching is arranged at the surface of piezoelectric patches 3, listening help circle 6 improve piezoelectric speaker and hearing aids with the use of time performance, improve the popularity of piezoelectric speaker application.Be arranged at the plane listening help circle 6 on piezoelectric patches 3 surface, avoid listening help circle taking piezoelectric speaker inner space, be conducive to the slimming design of piezoelectric speaker, simultaneously, in piezoelectric speaker assembling process, listening help circle need not be placed separately, simplify production technology, listening help circle can not have an impact to piezoelectric speaker performance, is conducive to improving piezoelectric speaker performance.
As shown in Figure 2, on conducting terminal 5, corresponding piezoelectric patches 3 is provided with the first pad 51, and corresponding listening help circle 6 is provided with the second pad 52, and piezoelectric patches 3 and listening help circle 6 are electrically connected with conducting terminal 5 respectively by independently pad, mutually can not disturb, be conducive to improving product performance.
The piezoelectric speaker of the present embodiment, piezoelectric patches 3 is provided with electrode, and electrode is electrically connected with conducting terminal 5.The electrode that listening help circle 6 dodges piezoelectric patches 3 is arranged, and to ensure that listening help circle 6 does not interfere with each other mutually with the electrode of piezoelectric patches 3, enhances product performance.
In actual applications, piezoelectric patches 3 also can be set to two panels, and two panels piezoelectric patches is arranged at the both sides of vibrating diaphragm 2 respectively, to improve the acoustical behavior of piezoelectric speaker, listening help circle 6 can be arranged on arbitrary piezoelectric patches, does not all affect the advantage applies of the utility model piezoelectric speaker.
In actual applications, listening help circle can be any one in silver, palladium, nickel, molybdenum-manganese alloy, also can be the metal or alloy of other materials, guarantees that the listening help circle conduction of plane is unobstructed, plays hearing aid effect, enhance product performance and Consumer's Experience.
As shown in Figure 1, the piezoelectric speaker of the present embodiment, protecgulum 11 is provided with the phonate hole for sound outgoing.
As shown in Figure 1, be provided with gasket ring 4 between piezoelectric patches 3 and vibrating diaphragm 2, piezoelectric patches 3 is connected and fixed by gasket ring 4 and vibrating diaphragm 2, and gasket ring 4 can improve the consistency that vibrating diaphragm 2 vibrates, and improves piezoelectric speaker acoustical behavior.As a kind of preferred version, gasket ring 4 can be PEN material.
In actual applications, vibrating diaphragm 2 can adopt macromolecular material vibrating diaphragm.Conducting terminal can be flexible circuit board.All can embody the utility model piezoelectric speaker advantage.
The utility model piezoelectric speaker, listening help circle is planar voice-coil, and listening help circle etching is arranged at the surface of piezoelectric patches, listening help circle and piezoelectric patches are wholely set, listening help circle does not take piezoelectric speaker inner space, does not increase piezoelectric speaker thickness, is conducive to the slimming design of product.Further, listening help circle is etched on piezoelectric patches, reduces production difficulty during piezoelectric speaker assembling, simplifies production technology; Listening help circle can not have an impact to piezoelectric speaker performance, is conducive to improving product performance.Therefore, the utility model piezoelectric speaker has slimming and designs, and technique is simple, the advantage that performance is good.
These are only the utility model case study on implementation, be not limited to the utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that the utility model institute disclosure is done, all should include in the protection range recorded in claims.
Claims (10)
1. a piezoelectric speaker, comprise conducting terminal, framework, the vibrating diaphragm fixed with described framework and the piezoelectric patches being fixed on described vibrating diaphragm, it is characterized in that: described piezoelectric speaker also comprises listening help circle, described listening help circle is planar voice-coil, and described plane listening help circle etching is arranged at described piezoelectric patches surface; Described piezoelectric patches is electrically connected with described conducting terminal respectively with described listening help circle.
2. piezoelectric speaker according to claim 1, is characterized in that: the corresponding described piezoelectric patches of described conducting terminal and described listening help circle are respectively arranged with pad, and described piezoelectric patches is electrically connected with described conducting terminal by described pad with described listening help circle.
3. piezoelectric speaker according to claim 1, is characterized in that: described piezoelectric patches is provided with electrode, and described piezoelectric patches electrode is electrically connected with described conducting terminal.
4. piezoelectric speaker according to claim 3, is characterized in that: described listening help circle is dodged described electrode and arranged.
5. piezoelectric speaker according to claim 1, it is characterized in that: described piezoelectric patches comprises two parts piezoelectric patches, described two parts piezoelectric patches is arranged at the both sides of described vibrating diaphragm respectively, and described listening help circle is arranged in an arbitrary part for described two parts piezoelectric patches.
6. the piezoelectric speaker according to the arbitrary claim of claim 1 to 5, is characterized in that: described listening help circle can be any one in silver, palladium, nickel, molybdenum-manganese alloy.
7. piezoelectric speaker according to claim 1, is characterized in that: described framework comprises protecgulum and back cover, and described protecgulum is provided with phonate hole.
8. piezoelectric speaker according to claim 1, is characterized in that: described vibrating diaphragm and described piezoelectric patches are connected and fixed by gasket ring.
9. piezoelectric speaker according to claim 8, is characterized in that: described gasket ring is PEN material.
10. piezoelectric speaker according to claim 1, is characterized in that: described conducting terminal is flexible circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392971.5U CN204697287U (en) | 2015-06-09 | 2015-06-09 | Piezoelectric speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392971.5U CN204697287U (en) | 2015-06-09 | 2015-06-09 | Piezoelectric speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204697287U true CN204697287U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520392971.5U Active CN204697287U (en) | 2015-06-09 | 2015-06-09 | Piezoelectric speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204697287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197536A1 (en) * | 2015-06-09 | 2016-12-15 | 歌尔声学股份有限公司 | Piezoelectric loudspeaker |
| CN113099367A (en) * | 2020-01-08 | 2021-07-09 | 华为技术有限公司 | Loudspeaker, loudspeaker module and electronic equipment |
| TWI734101B (en) * | 2019-04-24 | 2021-07-21 | 周宏達 | Loudspeaker structure |
-
2015
- 2015-06-09 CN CN201520392971.5U patent/CN204697287U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016197536A1 (en) * | 2015-06-09 | 2016-12-15 | 歌尔声学股份有限公司 | Piezoelectric loudspeaker |
| TWI734101B (en) * | 2019-04-24 | 2021-07-21 | 周宏達 | Loudspeaker structure |
| CN113099367A (en) * | 2020-01-08 | 2021-07-09 | 华为技术有限公司 | Loudspeaker, loudspeaker module and electronic equipment |
| WO2021139632A1 (en) * | 2020-01-08 | 2021-07-15 | 华为技术有限公司 | Loudspeaker, loudspeaker module, and 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. |