CN203984656U - Intelligent and portable equipment protection cover with piezoelectric speaker - Google Patents
Intelligent and portable equipment protection cover with piezoelectric speaker Download PDFInfo
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- CN203984656U CN203984656U CN201420384616.9U CN201420384616U CN203984656U CN 203984656 U CN203984656 U CN 203984656U CN 201420384616 U CN201420384616 U CN 201420384616U CN 203984656 U CN203984656 U CN 203984656U
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- protection cover
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Abstract
The utility model discloses a kind of intelligent and portable equipment protection cover with piezoelectric speaker, belong to intelligent and portable equipment protection cover technical field, the described intelligent and portable equipment protection cover with piezoelectric speaker comprises protective sleeve housing, in described protective sleeve housing, be provided with piezoelectric ceramic loudspeaker and the control circuit being connected with described piezoelectric ceramic loudspeaker, described control circuit is for being connected with intelligent and portable device talk, intelligent and portable equipment protection with piezoelectric speaker of the present utility model cover is integrated piezoelectric ceramic loudspeaker, have external audio frequency functions of the equipments concurrently, piezoelectric ceramic loudspeaker in this protective sleeve and control circuit are all arranged in protective sleeve housing, carry and use procedure in do not need to occupy additional space, very convenient, piezoelectric ceramic loudspeaker is protected the protection of set of shells, is not easy to damage, and can not impact the external shape of protective sleeve housing, can not affect the attractive in appearance of intelligent and portable equipment.
Description
Technical field
The utility model relates to intelligent and portable equipment protection cover, refers to especially a kind of intelligent and portable equipment protection cover with piezoelectric speaker.
Background technology
At present intelligent and portable equipment prevailing, as mobile phone, panel computer etc., all has powerful audio playing function, but owing to being subject to the restrictions such as volume, the sound of its output has certain restriction, has the defects such as volume is little, lower tone.And in order to obtain better audio, people often need to be equipped with external audio frequency equipment and are effective.
External audio frequency equipment of the prior art is portable sound box or earphone mostly, they are all generally stand-alone products, in use by data wire and intelligent and portable equipment connection, carry and use procedure in need to take certain space, very inconvenience, and easily damage, also affect the attractive in appearance of intelligent and portable equipment simultaneously.
Utility model content
The utility model provides a kind of intelligent and portable equipment protection cover with piezoelectric speaker, this protective sleeve carry and use procedure in do not need to occupy additional space, very convenient, and be not easy to damage, can not affect the attractive in appearance of intelligent and portable equipment simultaneously yet.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of intelligent and portable equipment protection cover with piezoelectric speaker; comprise protective sleeve housing; in described protective sleeve housing, be provided with piezoelectric ceramic loudspeaker and the control circuit being connected with described piezoelectric ceramic loudspeaker, described control circuit is for being connected with intelligent and portable device talk.
Further, described piezoelectric ceramic loudspeaker comprises posting, vibrating membrane and piezoelectric ceramic piece, the inner surface of described posting is provided with vibration groove, described posting has a plurality of circular holes at described vibration groove place, described vibration membrane cover is located in described vibration groove, form vibration cavity, described piezoelectric ceramic piece is positioned at described vibration cavity and is attached on described vibrating membrane.
Further, on described protective sleeve housing, be provided with embedding groove, described piezoelectric ceramic loudspeaker and control circuit are all embedded in described embedding groove.
Further, the inner surface of described posting is provided with circuit groove, and described control circuit is arranged in described circuit groove.
Further, the quantity of described vibration groove is at least 2, and described piezoelectric ceramic piece and the quantity of vibrating membrane and the quantity of described vibration groove are consistent, forms the loudspeaker unit of respective amount, and the rectangular array arrangement of described loudspeaker unit or annular array are arranged.
Further, the vibration groove of same loudspeaker unit is identical with the shape of vibrating membrane, is rectangle or circle, described piezoelectric ceramic piece be shaped as rectangle or circle.
Further, the shape of the vibration groove of a plurality of loudspeaker units and/or size are different, or the shape of the piezoelectric ceramic piece of a plurality of loudspeaker units and/or size difference.
Further, the material of described posting is one or more in structural ceramics, engineering plastics, metal alloy compositions.
Further; described piezoelectric ceramic loudspeaker comprises piezoelectric ceramic piece; the material of described protective sleeve housing is one or more in structural ceramics, engineering plastics, metal alloy compositions; described piezoelectric ceramic piece is attached to described protective sleeve surface of shell; on described protective sleeve housing, be provided with mounting groove, described control circuit is arranged in described mounting groove.
Further, described control circuit is connected with described intelligent and portable device talk by wired or wireless mode, and described intelligent and portable equipment is mobile phone or panel computer.
The utlity model has following beneficial effect:
Compared with prior art, intelligent and portable equipment protection with piezoelectric speaker of the present utility model cover is integrated piezoelectric ceramic loudspeaker, have external audio frequency functions of the equipments concurrently, piezoelectric ceramic loudspeaker in this protective sleeve and control circuit are all arranged in protective sleeve housing, carry and use procedure in do not need to occupy additional space, very convenient; Piezoelectric ceramic loudspeaker is protected the protection of set of shells, is not easy to damage; Piezoelectric ceramic loudspeaker and control circuit are all arranged in protective sleeve housing, can not impact the external shape of protective sleeve housing, can not affect the attractive in appearance of intelligent and portable equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first embodiment of the present utility model;
Fig. 2 is the structural representation of the piezoelectric speaker in the first embodiment of the present utility model;
Fig. 3 is that the A-A of Fig. 1 is to view;
Fig. 4 is the structural representation of the second embodiment of the present utility model;
Fig. 5 is the structural representation of the piezoelectric speaker in the second embodiment of the present utility model;
Fig. 6 is the structural representation of the piezoelectric speaker in the third embodiment of the present utility model.
Embodiment
For technical problem, technical scheme and advantage that embodiment of the present utility model will be solved are clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
A kind of intelligent and portable equipment protection cover with piezoelectric speaker; as shown in Figures 1 to 6; comprise protective sleeve housing 1 (or 1 ' or 1 "); in protective sleeve housing 1 (or 1 ' or 1 "), be provided with piezoelectric ceramic loudspeaker 2 (or 2 ') and the control circuit 3 being connected with piezoelectric ceramic loudspeaker 2 (or 2 ') (or 3 ' or 3 "), and control circuit 3 (or 3 ' or 3 ") for being connected with intelligent and portable device talk.
During work, and control circuit 3 (or 3 ' or 3 ") receive the audio signal of intelligent and portable equipment, and use the raw piezoelectric ceramic loudspeaker 2 (or 2 ') of controlling of this audio signal to sound.
Compared with prior art, intelligent and portable equipment protection with piezoelectric speaker of the present utility model cover is integrated piezoelectric ceramic loudspeaker, have external audio frequency functions of the equipments concurrently, piezoelectric ceramic loudspeaker in this protective sleeve and control circuit are all arranged in protective sleeve housing, carry and use procedure in do not need to occupy additional space, very convenient; Piezoelectric ceramic loudspeaker and control circuit are protected the protection of set of shells, are not easy to damage; Piezoelectric ceramic loudspeaker and control circuit are all arranged in protective sleeve housing, can not impact the external shape of protective sleeve housing, can not affect the attractive in appearance of intelligent and portable equipment.
As the first of the present utility model, improve, as shown in Figure 1 to Figure 3, piezoelectric ceramic loudspeaker 1 comprises posting 11, vibrating membrane 12 and piezoelectric ceramic piece 13, the inner surface of posting 11 is provided with vibration groove 111, posting 11 has a plurality of circular holes 112 at vibration groove 111 places, vibrating membrane 12 lids are located in vibration groove 111, form vibration cavity, and piezoelectric ceramic piece 13 is positioned at vibration cavity and is attached on vibrating membrane 12.
In the utility model; vibration cavity makes vibrating membrane have good vibrating effect; circular hole on posting can be propagated sound preferably; thereby can guarantee that piezoelectric ceramic loudspeaker has good audio; and posting plays good protective effect to vibrating membrane and piezoelectric ceramic piece, make piezoelectric ceramic loudspeaker more not fragile.
Piezoelectric ceramic loudspeaker 2 and control circuit 3 are positioned at the inside 1 of protective sleeve housing, can have various ways to realize, preferred, on protective sleeve housing 1, are provided with embedding groove, and piezoelectric ceramic loudspeaker 2 and control circuit 3 are all embedded in embedding groove.This kind of mode technique is simple, easy for installation.
For control circuit 3, also can be arranged in posting 11, as shown in Figure 3, the inner surface of posting 11 is provided with circuit groove, and control circuit 3 is arranged in circuit groove.Control circuit 3 is integrated on piezoelectric ceramic loudspeaker 2, becomes an integral body, reduced certain connection, and installed more convenient.
As the second of the present utility model, improve, as shown in Figure 4 and Figure 5, the quantity of vibration groove 111 ' is at least 2, the quantity of piezoelectric ceramic piece 13 ' and vibrating membrane 12 ' is consistent with the quantity of vibration groove 111 ', the loudspeaker unit 21 that forms respective amount, the rectangular array arrangement of loudspeaker unit 21 or annular array are arranged.The loudspeaker unit of a plurality of array arrangements can strengthen the stereophonic effect in space, near field, to consumer, brings better audiovisual sensation.
In order to process with easy for installation, the vibration groove 111 ' of same loudspeaker unit 21 is identical with the shape of vibrating membrane 12 ', is rectangle or circle, piezoelectric ceramic piece 13 ' be shaped as rectangle or circle.
Further, the shape of the vibration groove 111 ' of a plurality of loudspeaker units 21 and/or size are different, or the shape of the piezoelectric ceramic piece 13 ' of a plurality of loudspeaker unit 21 and/or size difference.Like this, the first resonance frequency of a plurality of loudspeaker units 21 is different, can in very wide frequency band range, form good quality audio effect.
The all kinds that the material of posting 11 (or 11 ') can select those skilled in the art to expect, preferably, the material of posting 11 (or 11 ') is one or more in structural ceramics, engineering plastics, metal alloy compositions, structural ceramics, engineering plastics, metal alloy compositions can make vibration cavity have better vibrating effect, make electroceramics loud speaker there is better audio, and because its hardness is better, can further reduce the damage of piezoelectric ceramic loudspeaker.
As the third improvement of the present utility model; as shown in Figure 6; piezoelectric ceramic loudspeaker comprises piezoelectric ceramic piece 13 "; protective sleeve housing 1 " the material all kinds that can select those skilled in the art to expect; preferably, can be one or more in structural ceramics, engineering plastics, metal alloy compositions, piezoelectric ceramic piece 13 " be attached to described protective sleeve housing 1 " surface; protective sleeve housing 1 " on be provided with mounting groove 31, control circuit 3 " be arranged in mounting groove 31.Piezoelectric ceramic piece 13 " receive and produce vibration after audio signal; and further drive protective sleeve housing 1 " vibration; thereby produce the audio frequency sound; due to protective sleeve housing 1 " adopt the materials such as structural ceramics, engineering plastics, metal alloy, and its Area Ratio piezoelectric ceramic piece 13 " much larger, single order natural resonance frequency is lower; thereby can obtain better replaying bass effect; in addition, due to whole protective sleeve housing 1 " outside radiation sound all, also can improve acoustic pressure output.Certainly, piezoelectric ceramic piece 13 " also can be arranged on mounting groove 31 " in.
Above in each embodiment, and control circuit 3 (or 3 ' or 3 ") can be connected with intelligent and portable device talk by wired or wireless mode, intelligent and portable equipment is mobile phone or panel computer etc.When control circuit 3 (or 3 ' or 3 ") is connected with intelligent and portable device talk by wired mode; intelligent and portable equipment can be simultaneously for control circuit 3 (or 3 ' or 3 ") provides power supply, and can set out wire casing on protective sleeve housing 1 (or 1 ' or 1 "); When control circuit 3 (or 3 ' or 3 ") is connected with intelligent and portable device talk by wireless mode, control circuit 3 can integratedly be provided with power supply in (or 3 ' or 3 ").
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. the intelligent and portable equipment protection cover with piezoelectric speaker; comprise protective sleeve housing; it is characterized in that; in described protective sleeve housing, be provided with piezoelectric ceramic loudspeaker and the control circuit being connected with described piezoelectric ceramic loudspeaker, described control circuit is for being connected with intelligent and portable device talk.
2. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 1; it is characterized in that; described piezoelectric ceramic loudspeaker comprises posting, vibrating membrane and piezoelectric ceramic piece; the inner surface of described posting is provided with vibration groove; described posting has a plurality of circular holes at described vibration groove place; described vibration membrane cover is located in described vibration groove, forms vibration cavity, and described piezoelectric ceramic piece is positioned at described vibration cavity and is attached on described vibrating membrane.
3. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 2, is characterized in that, on described protective sleeve housing, be provided with embedding groove, described piezoelectric ceramic loudspeaker and control circuit are all embedded in described embedding groove.
4. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 2, is characterized in that, the inner surface of described posting is provided with circuit groove, and described control circuit is arranged in described circuit groove.
5. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 2; it is characterized in that; the quantity of described vibration groove is at least 2; the quantity of described piezoelectric ceramic piece and vibrating membrane is consistent with the quantity of described vibration groove; the loudspeaker unit that forms respective amount, the rectangular array arrangement of described loudspeaker unit or annular array are arranged.
6. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 5, is characterized in that, the vibration groove of same loudspeaker unit is identical with the shape of vibrating membrane, is rectangle or circle, described piezoelectric ceramic piece be shaped as rectangle or circle.
7. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 5; it is characterized in that; the shape of the vibration groove of a plurality of loudspeaker units and/or size are different, or the shape of the piezoelectric ceramic piece of a plurality of loudspeaker units and/or size difference.
8. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 2, is characterized in that, the material of described posting is one or more in structural ceramics, engineering plastics, metal alloy compositions.
9. the intelligent and portable equipment protection cover with piezoelectric speaker according to claim 1; it is characterized in that; described piezoelectric ceramic loudspeaker comprises piezoelectric ceramic piece; the material of described protective sleeve housing is one or more in structural ceramics, engineering plastics, metal alloy compositions; described piezoelectric ceramic piece is attached to described protective sleeve surface of shell; on described protective sleeve housing, be provided with mounting groove, described control circuit is arranged in described mounting groove.
10. according to the intelligent and portable equipment protection cover with piezoelectric speaker described in the arbitrary claim of claim 1-9; it is characterized in that; described control circuit is connected with described intelligent and portable device talk by wired or wireless mode, and described intelligent and portable equipment is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384616.9U CN203984656U (en) | 2014-07-11 | 2014-07-11 | Intelligent and portable equipment protection cover with piezoelectric speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384616.9U CN203984656U (en) | 2014-07-11 | 2014-07-11 | Intelligent and portable equipment protection cover with piezoelectric speaker |
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| Publication Number | Publication Date |
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| CN203984656U true CN203984656U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420384616.9U Active CN203984656U (en) | 2014-07-11 | 2014-07-11 | Intelligent and portable equipment protection cover with piezoelectric speaker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257636A (en) * | 2015-03-23 | 2017-10-17 | 金正勋 | The portable terminal end protective cover of real-time vibrational feedback is provided |
| CN107799111A (en) * | 2017-10-20 | 2018-03-13 | 维沃移动通信有限公司 | One kind protection shell component harmony ripple removing method |
| CN113329113A (en) * | 2020-02-28 | 2021-08-31 | 华为技术有限公司 | Terminal protection shell and audio playing system |
-
2014
- 2014-07-11 CN CN201420384616.9U patent/CN203984656U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107257636A (en) * | 2015-03-23 | 2017-10-17 | 金正勋 | The portable terminal end protective cover of real-time vibrational feedback is provided |
| CN107799111A (en) * | 2017-10-20 | 2018-03-13 | 维沃移动通信有限公司 | One kind protection shell component harmony ripple removing method |
| CN113329113A (en) * | 2020-02-28 | 2021-08-31 | 华为技术有限公司 | Terminal protection shell and audio playing system |
| CN113329113B (en) * | 2020-02-28 | 2022-12-06 | 华为技术有限公司 | Terminal protection shell and audio playing system |
| EP4096241A4 (en) * | 2020-02-28 | 2023-11-01 | Huawei Technologies Co., Ltd. | Terminal protection shell and audio playing system |
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