CN209283512U - Surface sounding device and electronic equipment - Google Patents
Surface sounding device and electronic equipment Download PDFInfo
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- CN209283512U CN209283512U CN201821972954.9U CN201821972954U CN209283512U CN 209283512 U CN209283512 U CN 209283512U CN 201821972954 U CN201821972954 U CN 201821972954U CN 209283512 U CN209283512 U CN 209283512U
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- connecting element
- screen
- driver
- sounding device
- vibration section
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Abstract
The utility model discloses a kind of surface sounding device and electronic equipments.The surface sounding device includes driver, vibration section and connecting element, connecting element structure in the form of sheets, the vibration section is arranged in the connecting element, the driver is arranged on the vibration section, the edge of the connecting element with the other parts on the surface of electronic equipment for connecting, the connecting element and the other parts on the surface collectively form the surface, the connecting element is configurable for providing elastic-restoring force, and the driver is configurable for providing driving force.
Description
Technical field
The utility model relates to electroacoustic switch technology fields, more particularly, to a kind of surface sounding device and electronics
Equipment.
Background technique
Traditional screen sounding device or panel sounding device generally includes one or more drivers.Driver installation
Perhaps panel or the fixed frames of the electronic equipments such as mobile phone is directly installed in the screen for sounding.Driver is certainly
Body occur certain deformation perhaps displacement to drive screen or panel to generate deformation or displacement, to realize acoustic radiation.
The loudness and the driving force of vibration of acoustic radiation, swept area, oscillating mass three are closely related, using screen or
Panel entirety sounding improves swept area.But while swept area increases, oscillating mass also be will increase, this is required
Bigger driving force is driven.The power that driver can be improved in this way, improves the cost of sounding device.
In addition, more powerful driver has bigger volume, it is unfavorable for the Miniaturization Design of electronic equipment in this way.
Accordingly, it is desirable to provide a kind of new technical solution, to solve the above technical problems.
Utility model content
One purpose of the utility model is to provide a kind of new solution of surface sounding device.
It is according to the present utility model in a first aspect, providing a kind of surface sounding device.The surface sounding device includes swashing
Device, vibration section and connecting element are encouraged, structure, the vibration section are arranged on the connecting element to the connecting element in the form of sheets
On, the driver is arranged on the vibration section, the edge of the connecting element be used for the surface of electronic equipment its
He partially connects, and the other parts on the connecting element and the surface collectively form the surface, and the connecting element is matched
It is set to for providing elastic-restoring force, the driver is configurable for providing driving force.
Optionally, the area of the connecting element is greater than the side for connecting with the connecting element of the vibration section
Area, the vibration section is arranged on the middle part of the connecting element, to form ring edge in the connecting element.
Optionally, the other parts flush of the outer surface of the connecting element and the surface.
Optionally, the driver include piezoelectric type driver, moving-coil type driver, moving-iron type driver, moving-magnetic type swash
Encourage device or magnetostriction type driver.
Optionally, the material of the connecting element is high molecular material.
Optionally, the Young's modulus of the connecting element is less than or equal to 6080Mpa, and density is less than or equal to 1130kg/
m3。
According to another embodiment of the present disclosure, a kind of electronic equipment is provided.The electronic equipment include shell and with institute
The screen for stating shell connection, the mounting hole shell is formed on the shell perhaps screen or the screen is described
The other parts on surface, housing parts or screen portions of the meter for surrounding the mounting hole are interconnecting piece, in the installation
Above-mentioned surface sounding device is provided in hole, the connecting element is connect with the interconnecting piece.
Optionally, recessed ring-shaped step structure is provided in the interconnecting piece, the connecting element is embedded in the annular
In step structure.
Optionally, the coefficient of elasticity of the connecting element is less than the coefficient of elasticity of the shell or the screen.
Optionally, it is provided with the mounting hole on the screen, the screen includes that the first liquid crystal display and setting exist
First transparent protective layer in the outside of first liquid crystal display, the connecting element are the second transparent protective layer, the vibration section
For the second liquid crystal display, the coefficient of elasticity of second transparent protective layer is less than the coefficient of elasticity of first transparent protective layer, institute
It states the first transparent protective layer to connect with second transparent protective layer, first liquid crystal display is used jointly with second liquid crystal display
It is shown in image.
According to one embodiment of the disclosure, driver vibrates and vibration section is driven to vibrate, to direct out radiation sound
Sound.Direction of vibration perpendicular to vibration section main surface, such as front or the back side.Vibration section as where surface a part into
Row vibration, rather than entire single side surface is vibrated, such surface sounding device have a lesser swept area, and when vibration needs
The driving force wanted reduces, and reduces the power of driver required for vibration section vibrates.
By the detailed description referring to the drawings to the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiments of the present invention, and
And together with its explanation for explaining the principles of the present invention.
Fig. 1 is the cross-sectional view according to the electronic equipment of one embodiment of the disclosure.
Fig. 2 is the partial enlarged view of Fig. 1.
Fig. 3 is the cross-sectional view of electronic equipment according to another embodiment of the present disclosure.
Fig. 4 is the main view of electronic equipment according to another embodiment of the present disclosure.
Description of symbols:
11: shell；12: ring edge；13: vibration section；14: driver；15: connecting element；16: the first LCD screens；
17: the second LCD screens；18: the other parts on surface；21: the first transparent protective layers；22: the second transparent protective layers；23: annular
Step structure.
Specific embodiment
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should also be noted that unless another
It illustrates outside, the component and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
According to one embodiment of the disclosure, a kind of surface sounding device is provided.As shown in Figs. 1-2, the surface sounding
Device includes driver 14, vibration section 13 and connecting element 15.The structure in the form of sheets of connecting element 15.13 company of being arranged on of vibration section
It connects on element 15.Driver 14 is arranged on vibration section 13.The edge of connecting element 15 is used for and the surface of electronic equipment
Other parts 18 connect, such as shell 11 and/or screen etc..Connecting element 15 and the other parts 18 on surface collectively form electronics
The surface of equipment.Connecting element 15 is configurable for providing elastic-restoring force, so that vibration section 13 returns back to initial position.
Driver 14 is configurable for providing driving force, so that initial position is deviateed in vibration section 13, is vibrated.
For example, the structure in the form of sheets of vibration section 13, can be round sheet, rectangular patch or track type sheet etc..Sheet
The sounding effect of structure is good.Vibration section 13 is arranged between driver 14 and connecting element 15.The covering excitation of connecting element 15
One surface of device 14.For example, driver 14 to be bonded in the middle part of vibration section 13 by binder or double-sided adhesive, and will
Vibration section 13 is bonded in connecting element 15.Main surface of the direction of vibration of driver 14 perpendicular to vibration section 13.
For example, vibration section 13 is using inorganic non-metallic material, metal material or high molecular material.Preferably, vibration section
13 Young's modulus is in 2000MPa or more, and density is in 2.7g/cm3Below.Vibration section 13 within the scope of this has structural strength
The characteristics of height, light weight, the driving force needed when can be effectively reduced the diaphagras of surface sounding device, and vibrate
It is small.
For example, driver 14 includes piezoelectric type driver 14, moving-coil type driver 14, moving-iron type driver 14, moving-magnetic type
Driver 14 or magnetostriction type driver 14.Driver 14 is fixed on to the middle part of vibration section 13 by binder or double-sided adhesive
Position.Driver 14 receives the electric signal of external circuit, to vibrate.Driver 14 drives vibration section 13 to vibrate, thus
Radiation sound outward.
Connecting element 15 has elasticity, so that vibration section 13 be made to return back to initial position.For example, the material of connecting element 15
For high molecular material.High molecular material includes the materials such as PI, PP, PEN, PPT.Above-mentioned material can provide elastic-restoring force.
The structure in the form of sheets of connecting element 15, for example, round sheet, rectangular patch or track type sheet etc..Due in group
After the completion of dress, connecting element 15 is located at the surface of electronic equipment, therefore the appearance that laminated structure is able to maintain electronic equipment is good.
In one example, the Young's modulus of connecting element 15 is less than or equal to 6080Mpa, and density is less than or equal to
1130kg/m3.The connecting element 15 of the proportional region has the characteristics that elastic good, light weight.
In addition, connecting element 15 can also play the effects of dust-proof, waterproof.
In the embodiments of the present disclosure, driver 14 vibrates and vibration section 13 is driven to vibrate, to direct out radiation sound.
Main surface of the direction of vibration perpendicular to vibration section 13.The a part on surface as where of vibration section 13 is vibrated, rather than whole
A single side surface is vibrated, and such surface sounding device has lesser swept area, and the driving force that when vibration needs reduces,
And reduce the power of driver 14 required for vibration section 13 vibrates.
Further, since the reduction of swept area, therefore place electronic equipment does not need to reserve big spatial margin, is convenient for electronics
The lightening design of equipment.
Further, since the reduction of swept area, so that the quality of vibration section 13 reduces, electro-acoustic conversion efficiency is significantly mentioned
Height, vibration sensitivity significantly improve.
In one example, as shown in Figure 1, the area of connecting element 15 is greater than being used for and connecting element 15 for vibration section 13
The area of the side of connection.Vibration section 13 is arranged on the middle part of connecting element 15, to form annular edge in connecting element 15
Edge 12.Ring edge 12 is connect with the other parts 18 on surface.Ring edge 12 increases the contact area of connecting element 15,
So that connecting element 15 and the connection of the other parts 18 on surface are stronger.
In one example, 18 flush of other parts of the outer surface and surface of connecting element 15.This setup
So that the appearance of electronic equipment is good.
According to another embodiment of the present disclosure, a kind of electronic equipment is provided.As shown in Figs 1-4, electronic equipment includes
Shell 11 and the screen being connect with shell 11.Mounting hole is formed on shell 11 or screen.Shell 11 or screen are table
The other parts 18 in face.11 part of shell or screen portions counted for surrounding mounting hole are interconnecting piece.It is set in mounting hole
It is equipped with above-mentioned surface sounding device.Connecting element 15 is connect with interconnecting piece.For example, member will be connected by double-sided adhesive or binder
The edge of part 15 is bonded in interconnecting piece.The hole wall of driver 14 and mounting hole forms gap, makes to avoid hole wall to driver 14
At interference.
In one example, as shown in Fig. 2, being provided with recessed ring-shaped step structure 23 in interconnecting piece.Connecting element 15
It is embedded in annular step structure 23.Ring-shaped step structure 23 is arranged around mounting hole.For example, ring edge 12 is embedded in ring-shaped step
In structure 23.Ring-shaped step structure 23 can play the role of positioning, this makes the link position of connecting element 15 more acurrate.
In one example, the coefficient of elasticity of connecting element 15 is less than the coefficient of elasticity of shell 11 or screen.It is this to set
The mode of setting can reduce the influence of the vibration of the elastic deformation of shell 11 or screen for surface sounding device, so that surface sounding
The sounding effect of device is better.
In one example, as shown in Figure 3-4, it is provided with mounting hole on the screen.Screen include the first liquid crystal display 16 with
And first transparent protective layer 21 in the outside of the first liquid crystal display 16 is set.Outside refers to one of the inner cavity far from electronic equipment
Side.First liquid crystal display 16 and the first transparent protective layer 21 are arranged in parallel.
Connecting element 15 is the second transparent protective layer 22.Vibration section 13 is the second liquid crystal display 17.Second transparent protective layer 22
It is arranged in parallel with the second liquid crystal display 17.Elasticity system of the coefficient of elasticity of second transparent protective layer 22 less than the first transparent protective layer 21
Number.First transparent protective layer 21 is connect with the second transparent protective layer 22.First liquid crystal display 16 is provided commonly for the second liquid crystal display 17
Image is shown.First liquid crystal display 16 and the second liquid crystal display 17 are LED screen or LCD screen.
In this example embodiment, it can be, the first transparent protective layer 21 and the second transparent protective layer 22 by double-sided adhesive or glue
Knot agent is bonded together.Being also possible to the first transparent protective layer 21 and the second transparent protective layer 22 is integrally formed transparent material
Material.Sofening treatment is done in the part of transparent material, to reduce coefficient of elasticity, to form the second transparent protective layer 22.Second thoroughly
Part other than bright protective layer 22 is the first transparent protective layer 21.
The method of sofening treatment includes that the second transparent protective layer 22 is done reduction processing, so that second transparent protective layer 22
Thickness of the thickness less than the first transparent protective layer 21.Lesser thickness can reduce the coefficient of elasticity of the second transparent protective layer 22, make
The vibrating effect for obtaining vibration section 13 is more preferable.
In this example embodiment, a part of screen is used for vibration sounding, rather than entire screen is used for sounding.Acoustic radiating
Direction is towards user, so that the hearing effect of user is more preferable.
In addition, a part of surface sounding device as screen, for showing image, this makes the cooperation of image and sound
It is more smooth.
In other examples, electronic equipment is provided with multiple surface sounding devices.Multiple surface sounding devices are to different
Direction radiates sound, to form stereophonic effect.This makes the sounding effect of electronic equipment more excellent.
Although being described in detail by some specific embodiments of the example to the utility model, this field
It is to be understood by the skilled artisans that example above merely to be illustrated, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case where, to above embodiments
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of surface sounding device, which is characterized in that including driver, vibration section and connecting element, the connecting element is in
Laminated structure, the vibration section are arranged in the connecting element, and the driver is arranged on the vibration section, described
The edge of connecting element is used for that perhaps screen to connect the connecting element and the shell or described with the shell of electronic equipment
Screen collectively forms surface, and the connecting element is configurable for providing elastic-restoring force, and the driver is configured as using
In offer driving force.
2. surface sounding device according to claim 1, it is characterised in that, the area of the connecting element is greater than the vibration
The area of the side for connecting with the connecting element in dynamic portion, the vibration section is arranged in the connecting element
Portion, to form ring edge in the connecting element.
3. surface sounding device according to claim 1, it is characterised in that, the outer surface of the connecting element and the shell
Body or the screen flush.
4. surface sounding device according to claim 1, it is characterised in that, the driver include piezoelectric type driver,
Moving-coil type driver, moving-iron type driver, moving-magnetic type driver or magnetostriction type driver.
5. surface sounding device according to claim 1, it is characterised in that, the material of the connecting element is macromolecule material
Material.
6. surface sounding device according to claim 1, it is characterised in that, the Young's modulus of the connecting element be less than or
Equal to 6080Mpa, density is less than or equal to 1130kg/m3。
7. a kind of electronic equipment, which is characterized in that including shell and the screen being connect with the shell, in the shell or screen
It is formed with mounting hole on curtain, housing parts or the screen portions for surrounding the mounting hole are interconnecting piece, in the installation
Setting is just like surface sounding device described in any one in claim 1-6, the connecting element and the connection in hole
Portion's connection.
8. electronic equipment according to claim 7, which is characterized in that be provided with recessed ring-shaped step in the interconnecting piece
Structure, the connecting element are embedded in the ring-shaped step structure.
9. electronic equipment according to claim 7, which is characterized in that the coefficient of elasticity of the connecting element is less than the shell
The coefficient of elasticity of body or the screen.
10. electronic equipment according to claim 7, which is characterized in that be provided with the mounting hole, institute on the screen
State screen include the first liquid crystal display and be arranged in first liquid crystal display outside the first transparent protective layer, connection member
Part is the second transparent protective layer, and the vibration section is the second liquid crystal display, and the coefficient of elasticity of second transparent protective layer is less than institute
The coefficient of elasticity of the first transparent protective layer is stated, the first polaroid transparent protective layer and second polaroid are transparency protected
Layer, first liquid crystal display and second liquid crystal display are provided commonly for image and show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972954.9U CN209283512U (en) | 2018-11-27 | 2018-11-27 | Surface sounding device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821972954.9U CN209283512U (en) | 2018-11-27 | 2018-11-27 | Surface sounding device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209283512U true CN209283512U (en) | 2019-08-20 |
Family
ID=67603018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821972954.9U Active CN209283512U (en) | 2018-11-27 | 2018-11-27 | Surface sounding device and electronic equipment |
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| Country | Link |
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| CN (1) | CN209283512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495832A (en) * | 2018-11-27 | 2019-03-19 | 歌尔股份有限公司 | Surface sounding device and electronic equipment |
| WO2022194043A1 (en) * | 2021-03-15 | 2022-09-22 | 华为技术有限公司 | Sound production device |
-
2018
- 2018-11-27 CN CN201821972954.9U patent/CN209283512U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495832A (en) * | 2018-11-27 | 2019-03-19 | 歌尔股份有限公司 | Surface sounding device and electronic equipment |
| WO2022194043A1 (en) * | 2021-03-15 | 2022-09-22 | 华为技术有限公司 | Sound production device |
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