CN207978119U - A kind of piezoelectric flat-panel speaker and electric terminal equipment - Google Patents
A kind of piezoelectric flat-panel speaker and electric terminal equipment Download PDFInfo
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- CN207978119U CN207978119U CN201820406083.8U CN201820406083U CN207978119U CN 207978119 U CN207978119 U CN 207978119U CN 201820406083 U CN201820406083 U CN 201820406083U CN 207978119 U CN207978119 U CN 207978119U
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Abstract
A kind of piezoelectric flat-panel speaker and electric terminal equipment provided by the utility model, are related to speaker technology field, including frame, vibrating diaphragm and piezoelectric element；The piezoelectric element includes multiple frequency responses piezoelectric part of different size, and the setting that multiple frequency responses piezoelectric part of different size is mutually parallel is between the frame and the vibrating diaphragm.In the above-mentioned technical solutions, the multiple frequency responses being in contact with vibrating diaphragm piezoelectric part of different size is provided in the piezoelectric flat-panel speaker, for example, by using three kinds of frequency responses low frequency piezoelectric part of different size, intermediate frequency piezoelectric part and high frequency piezo component, three kinds of frequency responses piezoelectric part of different size can be when piezoelectric flat-panel speaker works, it is worked using the corresponding piezoelectric part of different frequency range according to the difference of frequency range, in this case, the frequency response width that piezoelectric flat-panel speaker can greatly be improved, to meet the needs of users.
Description
Technical field
The utility model is related to speaker technology fields, more particularly, to a kind of piezoelectric flat-panel speaker and electric terminal
Equipment.
Background technology
With the development of electronic communication, the use of electric terminal equipment is more and more universal, for example, smart mobile phone, flat
Plate computer etc., the slimming design of these electric terminal equipments have become the trend of market development.And piezoelectric flat-panel speaker
With ultra-thin characteristic, so being to be well suited to apply on the electric terminal equipment of slimming.
But current piezoelectric flat-panel speaker, universal sound quality is poor, cannot be satisfied requirement of the user to sound quality.
Utility model content
The purpose of this utility model is to provide a kind of piezoelectric flat-panel speaker and electric terminal equipments, existing to solve
The poor technical problem of piezoelectric flat-panel speaker sound quality present in technology.
A kind of piezoelectric flat-panel speaker provided by the utility model, including frame, vibrating diaphragm and piezoelectric element；
The piezoelectric element includes multiple frequency responses piezoelectric part of different size, multiple frequency responses piezoelectricity of different size
The setting that component is mutually parallel is between the frame and the vibrating diaphragm.
In the above-mentioned technical solutions, the multiple frequency response width being in contact with vibrating diaphragm are provided in the piezoelectric flat-panel speaker not
Same piezoelectric part, for example, by using three kinds of frequency responses low frequency piezoelectric part of different size, intermediate frequency piezoelectric part and high frequency piezo portion
Part, three kinds of frequency responses piezoelectric part of different size can be when piezoelectric flat-panel speaker work, according to the different using not of frequency range
With frequency range, corresponding piezoelectric part works, in this case, it will be able to which the frequency response for greatly improving piezoelectric flat-panel speaker is wide
Degree, to meet the needs of users.
Further, in the embodiments of the present invention, the piezoelectric flat-panel speaker further includes coupling unit；
The piezoelectric part is connect by the coupling unit with the vibrating diaphragm.
Further, in the embodiments of the present invention, the piezoelectric part includes piezoelectric ceramic piece and substrate；
The piezoelectric ceramic piece is fitted with the substrate.
Further, it in the embodiments of the present invention, is adhesively fixed between the substrate and the piezoelectric ceramic piece.
Further, in the embodiments of the present invention, the piezoelectric part includes a piece of substrate and two panels piezoelectricity pottery
Tile；
The substrate is pressed together between piezoelectric ceramic piece described in two panels.
Further, in the embodiments of the present invention, the piezoelectric part includes a piece of substrate and a piece of piezoelectricity pottery
Tile；
The substrate is fitted with the piezoelectric ceramic piece.
Further, in the embodiments of the present invention, the piezoelectric ceramic piece includes single layer piezoelectric ceramic chip structure
Or multilayer piezoelectric ceramic chip architecture.
Further, in the embodiments of the present invention, it is arranged on the frame fluted；
The piezoelectric part is arranged in the groove.
Further, in the embodiments of the present invention, the piezoelectric part includes round, square or rectangular.
The utility model additionally provides a kind of electric terminal equipment, including the piezoelectric flat-panel speaker.
In the above-mentioned technical solutions, the electric terminal equipment uses the piezoelectric flat-panel speaker, the piezoelectricity tablet
The multiple frequency responses being in contact with vibrating diaphragm piezoelectric part of different size is provided in loud speaker, not for example, by using three kinds of frequency response width
With low frequency piezoelectric part, intermediate frequency piezoelectric part and high frequency piezo component, three kinds of frequency responses piezoelectric part of different size can be
When piezoelectric flat-panel speaker works, worked using the corresponding piezoelectric part of different frequency range according to the difference of frequency range, it is such
Words, it will be able to the frequency response width for greatly improving piezoelectric flat-panel speaker, to improve the broadcasting sound quality of electric terminal equipment.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is the configuration schematic diagram for the piezoelectric flat-panel speaker that the utility model one embodiment provides；
Fig. 2 is the cross-sectional view for the piezoelectric flat-panel speaker that the utility model one embodiment provides；
Fig. 3 is the First partial enlarged structure signal for the piezoelectric flat-panel speaker that the utility model one embodiment provides
Figure；
Fig. 4 is the second local enlarged structure signal of the piezoelectric flat-panel speaker that the utility model one embodiment provides
Figure.
Reference numeral：
1- vibrating diaphragms；2- frames；
3- piezoelectric parts；4- coupling units；
31- low frequency piezoelectric parts；32- intermediate frequency piezoelectric parts；
33- high frequency piezo components；
301- piezoelectric ceramic pieces；302- substrates.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the configuration schematic diagram for the piezoelectric flat-panel speaker that the utility model one embodiment provides；Fig. 2 is this
The cross-sectional view for the piezoelectric flat-panel speaker that utility model one embodiment provides；As depicted in figs. 1 and 2, this implementation
A kind of piezoelectric flat-panel speaker that example provides, including frame 2, vibrating diaphragm 1 and piezoelectric element；
The piezoelectric element includes multiple frequency responses piezoelectric part 3 of different size, multiple frequency responses pressure of different size
The setting that electrical components 3 are mutually parallel is between the frame 2 and the vibrating diaphragm 1.
Wherein, the multiple frequency responses being in contact with vibrating diaphragm 1 piezoelectric part of different size is provided in the piezoelectric flat-panel speaker
Part 3, in order to be more clearly illustrated to the technical solution of the piezoelectric flat-panel speaker, the reality now enumerated according to Fig. 1
Example is applied, according to using three kinds of frequency responses low frequency piezoelectric part 31, intermediate frequency piezoelectric part 32 and high frequency piezo component 33 of different size
The technical solution of the piezoelectric flat-panel speaker is illustrated.
When being provided with three kinds of frequency responses being in contact with vibrating diaphragm 1 low frequency piezoelectric part of different size in piezoelectric flat-panel speaker
31, intermediate frequency piezoelectric part 32 and when high frequency piezo component 33, three kinds of frequency responses piezoelectric part 3 of different size can be in piezoelectricity tablet
When speaker operation, worked using the corresponding piezoelectric part of different frequency range 3 according to the difference of frequency range, in this case, energy
Enough frequency response width for greatly improving piezoelectric flat-panel speaker, to meet the needs of users.
Wherein, the low frequency piezoelectric part 31, intermediate frequency piezoelectric part 32 and high frequency piezo component 33 may include that frequency response is wide
The low frequency piezoelectric part 31 of such as less than 300Hz is spent, the intermediate frequency piezoelectric part 32 of frequency response width such as less than 6000Hz, frequency response width is such as
High frequency piezo component 33 these three input terminals more than 6000Hz.
In addition, it should be noted that since different geographical is to the difference of standard formulation, for low frequency, intermediate frequency and high frequency
Defining can be variant, so being not specifically limited here.
It continues to refer to figure 1, in the embodiments of the present invention, the piezoelectric flat-panel speaker further includes coupling unit 4；
The piezoelectric part 3 is connect by the coupling unit 4 with the vibrating diaphragm 1.
Vibrations can be transmitted between the piezoelectric part 3 and the vibrating diaphragm 1 using the coupling unit 4.
Fig. 3 is the First partial enlarged structure signal for the piezoelectric flat-panel speaker that the utility model one embodiment provides
Figure；Fig. 4 is the second partial enlargement structural representation of the piezoelectric flat-panel speaker that the utility model one embodiment provides；Such as figure
Shown in 3 and Fig. 4, in the embodiments of the present invention, the piezoelectric part 3 includes piezoelectric ceramic piece 301 and substrate 302；
The piezoelectric ceramic piece 301 is fitted with the substrate 302.
The structure of intermediate frequency piezoelectric part 32 and high frequency piezo component 33 can refer to the structure of low frequency piezoelectric part 31.
It is selectable, in the embodiments of the present invention, glued between the substrate 302 and the piezoelectric ceramic piece 301
Connect fixation.
Selectable, in the embodiments of the present invention, the piezoelectric part 3 includes a piece of substrate 302 and two panels pressure
Electroceramics piece 301；
The substrate 302 is pressed together between piezoelectric ceramic piece 301 described in two panels.
Selectable, in the embodiments of the present invention, the piezoelectric part 3 includes a piece of substrate 302 and a piece of pressure
Electroceramics piece 301；
The substrate 302 is fitted with the piezoelectric ceramic piece 301.
Selectable, in the embodiments of the present invention, the piezoelectric ceramic piece 301 includes single layer piezoelectric potsherd
301 structure of 301 structures or multilayer piezoelectric ceramic piece.
It is selectable, in the embodiments of the present invention, it is arranged on the frame 2 fluted；
The piezoelectric part 3 is arranged in the groove.
In this case, the stability of the setting of piezoelectric part 3 can be enhanced.
Selectable, in the embodiments of the present invention, the piezoelectric part 3 includes round, square or rectangular.
The utility model additionally provides a kind of electric terminal equipment, including the piezoelectric flat-panel speaker.
Since the concrete structure of the piezoelectric flat-panel speaker, the principle of work and power and technique effect are in detailed hereinbefore,
This is just repeated no more.
So any technology contents about the piezoelectric flat-panel speaker, can refer to above for the piezoelectricity
The record of panel speaker.
From the foregoing, it will be observed that the electric terminal equipment uses the piezoelectric flat-panel speaker, in the piezoelectric flat-panel speaker
Provided with the multiple frequency responses being in contact with vibrating diaphragm 1 piezoelectric part 3 of different size, for example, by using of different size low of three kinds of frequency responses
Frequency piezoelectric part 31, intermediate frequency piezoelectric part 32 and high frequency piezo component 33, three kinds of frequency responses piezoelectric part 3 of different size can be
When piezoelectric flat-panel speaker works, worked using the corresponding piezoelectric part of different frequency range 3 according to the difference of frequency range, it is such
Words, it will be able to the frequency response width for greatly improving piezoelectric flat-panel speaker, to improve the broadcasting sound quality of electric terminal equipment.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of piezoelectric flat-panel speaker, which is characterized in that including frame, vibrating diaphragm and piezoelectric element；
The piezoelectric element includes multiple frequency responses piezoelectric part of different size, multiple frequency responses piezoelectric part of different size
The setting being mutually parallel is between the frame and the vibrating diaphragm.
2. piezoelectric flat-panel speaker according to claim 1, which is characterized in that further include coupling unit；
The piezoelectric part is connect by the coupling unit with the vibrating diaphragm.
3. piezoelectric flat-panel speaker according to claim 1, which is characterized in that the piezoelectric part includes piezoelectric ceramic piece
And substrate；
The piezoelectric ceramic piece is fitted with the substrate.
4. piezoelectric flat-panel speaker according to claim 3, which is characterized in that the substrate and the piezoelectric ceramic piece it
Between be adhesively fixed.
5. piezoelectric flat-panel speaker according to claim 3, which is characterized in that the piezoelectric part include a piece of substrate and
Two panels piezoelectric ceramic piece；
The substrate is pressed together between piezoelectric ceramic piece described in two panels.
6. piezoelectric flat-panel speaker according to claim 3, which is characterized in that the piezoelectric part include a piece of substrate and
A piece of piezoelectric ceramic piece；
The substrate is fitted with the piezoelectric ceramic piece.
7. piezoelectric flat-panel speaker according to claim 3, which is characterized in that the piezoelectric ceramic piece includes single layer piezoelectric
Ceramic chip structure or multilayer piezoelectric ceramic chip architecture.
8. piezoelectric flat-panel speaker according to claim 1, which is characterized in that be arranged on the frame fluted；
The piezoelectric part is arranged in the groove.
9. piezoelectric flat-panel speaker according to claim 1, which is characterized in that the piezoelectric part includes round, square
Shape or rectangle.
10. a kind of electric terminal equipment, which is characterized in that raised including piezoelectricity tablet as claimed in any one of claims 1-9 wherein
Sound device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820406083.8U CN207978119U (en) | 2018-03-23 | 2018-03-23 | A kind of piezoelectric flat-panel speaker and electric terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820406083.8U CN207978119U (en) | 2018-03-23 | 2018-03-23 | A kind of piezoelectric flat-panel speaker and electric terminal equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207978119U true CN207978119U (en) | 2018-10-16 |
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ID=63766035
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820406083.8U Active CN207978119U (en) | 2018-03-23 | 2018-03-23 | A kind of piezoelectric flat-panel speaker and electric terminal equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110300201A (en) * | 2019-07-29 | 2019-10-01 | Oppo广东移动通信有限公司 | Terminal device |
| WO2020186971A1 (en) * | 2019-03-19 | 2020-09-24 | 华为技术有限公司 | Vibration sounding device and electronic apparatus |
-
2018
- 2018-03-23 CN CN201820406083.8U patent/CN207978119U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186971A1 (en) * | 2019-03-19 | 2020-09-24 | 华为技术有限公司 | Vibration sounding device and electronic apparatus |
| US11838720B2 (en) | 2019-03-19 | 2023-12-05 | Huawei Technologies Co., Ltd. | Vibration and sound-making apparatus and electronic device |
| CN110300201A (en) * | 2019-07-29 | 2019-10-01 | Oppo广东移动通信有限公司 | Terminal device |
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