CN106714054A - Piezoelectric speaker - Google Patents
Piezoelectric speaker Download PDFInfo
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- CN106714054A CN106714054A CN201510772991.XA CN201510772991A CN106714054A CN 106714054 A CN106714054 A CN 106714054A CN 201510772991 A CN201510772991 A CN 201510772991A CN 106714054 A CN106714054 A CN 106714054A
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- sheet metal
- piezo
- voice
- basin body
- main body
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Abstract
The invention relates to a piezoelectric speaker which is used to solve a problem that for the sake of improving the speaker quality of the piezoelectric speaker, the volume of the piezoelectric speaker is increased in the prior art. The piezoelectric speaker comprises a shell which has a first side and a second side, at least one speaker body which is arranged in the shell and comprises at least one ceramic resonance piece, at least one metal piece and a basin body, wherein the ceramic resonance piece and the metal piece are overlapped, the bottom outer side of the basin body is in contact with the metal piece, the length of the ceramic resonance piece is not smaller than the 90% of the length of the second side, the length of the metal piece is larger than the second side, and the a part of the metal piece beyond the second side is cut. In this way, when the speaker quality of the piezoelectric speaker is improved, the overall volume of the piezoelectric speaker is not increased.
Description
Technical field
The present invention is on a kind of piezo-electric loudspeaker, especially with respect to a kind of piezo-electric loudspeaker that quality of raising one's voice can be improved in the case where volume is not increased.
Background technology
Fig. 1 is the floor map of existing piezo-electric loudspeaker.Existing piezo-electric loudspeaker (Piezoelectric Tweeter) 11 includes a housing 12, and its inner side has one first at 17 and one second 16, and first when 17 are more than second 16；A plurality of basin bodies (cone), are arranged in housing 12；A plurality of sheet metals (Metal Disc) 14, are arranged at the bottom outside of basin body；And a plurality of ceramic resonance plates (Ceramic Resonator) 13, it is arranged on sheet metal 14 relative on the surface of basin body, the diameter of the diameter less than sheet metal 14 of wherein ceramic resonance plate 13, width 16 of the diameter of sheet metal 14 less than or equal to housing 12, width 16 of the diameter of basin body less than or equal to housing 12, two metal sheets 14 do not overlap each other, two basin body non-overlappings.
Piezo-electric loudspeaker 11 raise one's voice quality and resonant frequency (Resonant Frequency, F0) and sound pressure level (Sound Pressure Level,
SPL it is) relevant.The resonant frequency of piezo-electric loudspeaker 11 is related to the diameter of ceramic resonance plate 13.
In prior art, in order to reduce resonant frequency, it is necessary to increase the diameter of ceramic resonance plate 13, the related width 16 for causing housing also increases, and therefore the overall volume of piezo-electric loudspeaker 11 also becomes big.The sound pressure level of piezo-electric loudspeaker 11 is related to the area of basin body.In prior art, in order to improve sound pressure level, it is necessary to increase the area of basin body, the related width 16 for causing housing also increases, and therefore the overall volume of piezo-electric loudspeaker 11 also becomes big.
Therefore, in existing piezo-electric loudspeaker, exist to lift the quality of raising one's voice of piezo-electric loudspeaker 11, it is related to cause that therefore the overall volume of piezo-electric loudspeaker 11 also becomes big problem.Mirror is because in this, the present invention proposes following conception.
The content of the invention
It is an object of the invention in order to lift the quality of raising one's voice of piezo-electric loudspeaker, piezo-electric loudspeaker overall volume also will therewith become big problem.
The present invention provides a kind of piezo-electric loudspeaker, including：One housing and at least one is raised one's voice main body.Housing have one first while and when one second.Main body of raising one's voice is arranged in housing, and main body of raising one's voice contains at least one ceramic resonance plate, at least a sheet metal and a basin body.Ceramic resonance plate is overlapped with sheet metal, and the bottom outside of basin body contacts setting with sheet metal.Not less than the 90% of the second edge lengths, the length of sheet metal is more than the second side to the length of ceramic resonance plate, and part of the sheet metal beyond the second side is carried out except material.
In a kind of exemplary embodiment kind of piezo-electric loudspeaker, ceramic resonance plate and sheet metal are a disc-shaped, and the length of ceramic resonance plate and sheet metal is diameter of a circle.
In a kind of exemplary embodiment kind of piezo-electric loudspeaker, basin body is plastic sheeting.
In a kind of exemplary embodiment kind of piezo-electric loudspeaker, housing set it is more than two raise one's voice main body when, main body of raising one's voice is that sequential is set, and possesses a gap between each main body of raising one's voice.
In a kind of exemplary embodiment kind of piezo-electric loudspeaker, when main body of raising one's voice has two groups of ceramic resonance plates and two groups of sheet metals, the structure of basin body can then be presented a round shape long, and the bottom outside of basin body can contact setting with a little sheet metals simultaneously.
In a kind of exemplary embodiment kind of piezo-electric loudspeaker, when the basin body of main body of raising one's voice is round shape long, the bottom outside that ceramic resonance plate and sheet metal are arranged at basin body puts middle place.
It is to allow the objects, features and advantages of the present invention to be more readily understood those of ordinary skill in the art, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below.
Brief description of the drawings
Fig. 1 is the floor map of existing piezo-electric loudspeaker.
Fig. 2 shows the first angle stereogram of first embodiment of the invention.
Fig. 3 shows the second angle stereogram of first embodiment of the invention.
Fig. 4 shows the floor map of first embodiment of the invention.
Fig. 5 shows the first angle stereogram of second embodiment of the invention.
Fig. 6 shows the line A-A section sectional view of second embodiment of the invention.
Fig. 7 shows the second angle stereogram of third embodiment of the invention.
Fig. 8 shows the line A-A section sectional view of third embodiment of the invention.
Description of symbols：
11st, 1,1a, 1b piezo-electric loudspeaker
12nd, 2,2a, 2b housing
13rd, 3,3a, 3b ceramics resonance plate
14th, 4,4a, 4b sheet metal
5th, 5a, 5b raise one's voice main body
16th, 6, the side of 6a, 6b second
17th, 7, the side of 7a, 7b first
8th, 8a, 8b basin body.
Specific embodiment
Refer to Fig. 2 and Fig. 3, respectively the first angle stereogram and second angle stereogram of first embodiment of the invention, by figure it is obvious that piezo-electric loudspeaker 1 contains a housing 2, two main bodys 5 of raising one's voice（A main body of raising one's voice can be only included in other embodiments）, using left and right side by side by the way of set, and possess a gap between each main body 5 of raising one's voice, main body of raising one's voice 5 contains ceramic resonance plate 3, sheet metal 4 and basin body 8, the both sides of housing 2 have for second at 6 and first 7, watched by the angle in Fig. 2, special feature is had no on the whole, and watched by the angle in Fig. 3, then will be obvious, ceramic resonance plate 3 is a disc-shaped, and very close to the second side 6, specifically the length (diameter) of ceramic resonance plate 3 is not less than the 90% of second edge lengths, and sheet metal 4 is then approximate circle, because the length (diameter) of sheet metal 4 is greater than the second side 6, so the part for exceeding then is carried out except material, allowing can integrally be arranged in housing 2.
Refer to Fig. 4, Fig. 4 is the floor map of first embodiment of the invention, by can clearly be seen that ceramic resonance plate 3 in figure, the relation of the Side 6 of sheet metal 4 and the 2nd, because the quality of raising one's voice of piezo-electric loudspeaker 1 is relevant with resonant frequency and sound pressure level, wherein the resonant frequency of piezo-electric loudspeaker 1 is related to the diameter of ceramic resonance plate 3, preferably, the present embodiment is in order to reduce resonant frequency, increased the diameter of ceramic resonance plate 3, and sheet metal 4 has then cut off the part more than the second side 6, so that the second side 6 of housing does not increase, namely therefore the overall volume of piezo-electric loudspeaker 1 does not become big.
Refer to Fig. 5,Fig. 5 is the first angle stereogram of second embodiment of the invention,Be can clearly be seen that by figure,Same,Piezo-electric loudspeaker 1a contains a housing 2a and main body 5a that raises one's voice,Different from the place of a upper embodiment,Main body of raising one's voice 5a has two groups of ceramic resonance plates and two groups of sheet metals,And the structure of basin body 8a can be presented a round shape long,And the bottom outside of basin body 8a can contact setting with sheet metal simultaneously,The both sides of housing 2a have for second in 6a and first 7a,Watched by the one side with basin body 8a,Housing 2a has no special feature on the whole,Difference is that basin body 8a is changed into round shape long,And watched by the one side with ceramic resonance plate and sheet metal,The vocal structure being made up of each one ceramic resonance plate and sheet metal,It is respectively arranged at the right and left,Same,In order to avoid interfering,Each group vocal structure is to maintain a certain distance.
Refer to Fig. 6, Fig. 6 is the line A-A section sectional view of second embodiment of the invention, same, be can clearly be seen that by figure, the main body 5a structures of raising one's voice that ceramic resonance plate 3a, sheet metal 4a and basin body 8a are constituted can further be understood by line A-A section section view, basin body 8a is Long Circle, the vocal structure being made up of each one ceramics resonance plate 3a and sheet metal 4a, then it is bonded respectively at the semicircle of basin body 8a the right and lefts, so allow sounding when have more preferably effect, and remainder is also such as an ibid embodiment, therefore here is omitted.
Refer to Fig. 7, Fig. 7 is the second angle stereogram of third embodiment of the invention, be can clearly be seen that by figure, same, piezo-electric loudspeaker 1b contains a housing 2b and a main body of raising one's voice, different from the place of a upper embodiment, main body of raising one's voice is changed to one group of ceramics resonance plate 3b and sheet metal 4b, and the structure of basin body remains a round shape long, and the bottom outside centre of basin body contacts setting with sheet metal 4b, the both sides of housing 2b have for second in 6b and first 7b, watched by the one side with basin body, housing 2b has no special feature on the whole, difference is that basin body is all round shape long, and watched by the one side with ceramic resonance plate 3b and sheet metal 4b, ceramic resonance plate 3b and sheet metal 4b are arranged at the bottom outside centre of basin body.
Refer to Fig. 8, Fig. 8 is the line A-A section sectional view of third embodiment of the invention, same, be can clearly be seen that by figure, the main body 5b structures of raising one's voice that ceramic resonance plate 3b, sheet metal 4b and basin body 8b are constituted can further be understood by line A-A section section view, basin body 8b is Long Circle, and the vocal structure that ceramics resonance plate 3b and sheet metal 4b is constituted, then it is bonded respectively to basin body 8b bottom outside centres, so allow sounding when have preferably and balance effect, and remainder is also such as an ibid embodiment, therefore here is omitted.
It should be understood that, although this specification is described according to each embodiment, but between technical scheme all it is reciprocatable collocation use, can clearly understand, the structure of main body of raising one's voice 5 can be converted, the design of housing 2 is mainly coordinated to change, and essentially consist in the relation on the side 6 of ceramic resonance plate 3 and second, by the length of ceramic resonance plate 3 not less than the 90% of the length of the second side 6, come lifted piezo-electric loudspeaker 1 raise one's voice quality when, and the overall volume of piezo-electric loudspeaker 1 is not become big, reach improved purpose.
Although the present invention is disclosed above with preferred embodiment; so it is not intended to limit the present invention, any those of ordinary skill in the art, without departing from the spirit and scope of the present invention; when can make a little change and retouching, therefore protection scope of the present invention is defined when being defined depending on claims.
Claims (6)
1. a kind of piezo-electric loudspeaker, including：
One housing, the housing have one first while and when one second；
At least one is raised one's voice main body, is arranged in the housing, and the main body of raising one's voice contains at least one ceramic resonance plate, at least a sheet metal and a basin body, and the ceramic resonance plate is overlapped with the sheet metal, and the bottom outside of the basin body contacts setting with the sheet metal；And
Not less than the 90% of second edge lengths, the length of the sheet metal is more than second side to the wherein length of the ceramic resonance plate, and part of the sheet metal beyond second side is carried out except material.
2. piezo-electric loudspeaker as claimed in claim 1, the wherein ceramic resonance plate and the sheet metal are a disc-shaped, and the length of the above-mentioned ceramic resonance plate and the sheet metal is the diameter of a circle.
3. piezo-electric loudspeaker as claimed in claim 1, the wherein basin body are plastic sheeting.
4. piezo-electric loudspeaker as claimed in claim 1, the wherein housing set it is more than two raise one's voice main body when, it is described to raise one's voice main body to be arranged in order setting, and possess a gap between main body of being raised one's voice described in each.
5., with two groups of ceramic resonance plates and during two groups of sheet metals, the structure of the basin body is presented a round shape long, so that the bottom outside of the basin body contacts setting with the sheet metal simultaneously for piezo-electric loudspeaker as claimed in claim 1, the wherein main body of raising one's voice.
6. when piezo-electric loudspeaker as claimed in claim 1, the wherein basin body of the main body of raising one's voice are round shape long, the ceramic resonance plate and the sheet metal are arranged at the middle part of the bottom outside of the basin body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772991.XA CN106714054A (en) | 2015-11-13 | 2015-11-13 | Piezoelectric speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510772991.XA CN106714054A (en) | 2015-11-13 | 2015-11-13 | Piezoelectric speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106714054A true CN106714054A (en) | 2017-05-24 |
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ID=58929701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510772991.XA Pending CN106714054A (en) | 2015-11-13 | 2015-11-13 | Piezoelectric speaker |
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| CN (1) | CN106714054A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007043631A (en) * | 2005-07-29 | 2007-02-15 | Katsuyoshi Suzuki | Speaker using cone-type piezoelectric diaphragm |
| CN201044507Y (en) * | 2007-05-08 | 2008-04-02 | 常州美欧电子有限公司 | Piezo-electricity electroacoustic device |
| CN101406068A (en) * | 2006-01-19 | 2009-04-08 | 新型转换器有限公司 | Bending wave acoustic device and method of making thereof |
| CN201248133Y (en) * | 2008-08-20 | 2009-05-27 | 瑞声声学科技(常州)有限公司 | Piezoelectric acoustical generator |
| CN103428621A (en) * | 2012-05-16 | 2013-12-04 | 德世股份有限公司 | Composite piezoelectric vibration plate and piezoelectric loudspeaker with same |
| JP2014082572A (en) * | 2012-10-15 | 2014-05-08 | Nec Casio Mobile Communications Ltd | Electroacoustic transducer |
-
2015
- 2015-11-13 CN CN201510772991.XA patent/CN106714054A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007043631A (en) * | 2005-07-29 | 2007-02-15 | Katsuyoshi Suzuki | Speaker using cone-type piezoelectric diaphragm |
| CN101406068A (en) * | 2006-01-19 | 2009-04-08 | 新型转换器有限公司 | Bending wave acoustic device and method of making thereof |
| CN201044507Y (en) * | 2007-05-08 | 2008-04-02 | 常州美欧电子有限公司 | Piezo-electricity electroacoustic device |
| CN201248133Y (en) * | 2008-08-20 | 2009-05-27 | 瑞声声学科技(常州)有限公司 | Piezoelectric acoustical generator |
| CN103428621A (en) * | 2012-05-16 | 2013-12-04 | 德世股份有限公司 | Composite piezoelectric vibration plate and piezoelectric loudspeaker with same |
| JP2014082572A (en) * | 2012-10-15 | 2014-05-08 | Nec Casio Mobile Communications Ltd | Electroacoustic transducer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |
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| WD01 | Invention patent application deemed withdrawn after publication |