CN208940241U - Screen sounding device and electronic equipment - Google Patents
Screen sounding device and electronic equipment Download PDFInfo
- Publication number
- CN208940241U CN208940241U CN201822013020.9U CN201822013020U CN208940241U CN 208940241 U CN208940241 U CN 208940241U CN 201822013020 U CN201822013020 U CN 201822013020U CN 208940241 U CN208940241 U CN 208940241U
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- Prior art keywords
- screen
- driver
- fixed
- sounding device
- supporting element
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- 239000011230 binding agent Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of screen sounding device and electronic equipments.The device includes screen and driver, the driver is fixed on the screen, the mass center of the driver and the mass center of the screen have at a distance from setting on the main surface direction perpendicular to the screen, and the direction of vibration of the driver is parallel to the main surface of the screen.The screen sounding device can improve the problem of leakage sound.
Description
Technical field
The utility model relates to electroacoustic switch technology fields, more particularly, to a kind of screen sounding device and electronics
Equipment.
Background technique
In screen vocal skill, usually using screen as sound generation source, driver is fixed on the screen.Its working principle is that
For driver as vibration source, when vibration, drives screen vibration sounding.Screen generating device may be used as the electronic equipments such as mobile phone
Earpiece.When mobile phone is close to ear, in addition to screen sounding, there are also bone conduction effects.Mobile phone screen and auricle resonate, to increase
Volume.
Traditional driver is typically secured on screen or center.The vibration of driver normal to screen.But due to shaking
Driver will drive screen, center, rear cover and vibrate together when dynamic, therefore the leakage sound that will lead to screen sounding device is larger, is conversing
Shi Rongyi reveals privacy.
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 screen sounding device.
It is according to the present utility model in a first aspect, providing a kind of screen sounding device.The device includes screen and excitation
Device, the driver are fixed on the screen, and the mass center of the mass center of the driver and the screen is perpendicular to described
There is the distance of setting, the direction of vibration of the driver is parallel to the main surface of the screen on the main surface direction of screen.
Optionally, the driver is fixed on the screen by binder or double-sided adhesive.
It optionally, further include supporting element, the driver is fixed on the screen by the supporting element.
Optionally, the supporting element includes cushion block, and the cushion block is fixed on the screen, and the driver is fixed
On the cushion block.
Optionally, the supporting element includes L bracket, and a line of the L bracket is parallel to the main body of the screen
Direction, and be fixed on the screen, the driver is fixed in the another a line of the L bracket.
Optionally, the corresponding portion for being less than the driver with the area at the position of screen connection of the supporting element
The area of position.
Optionally, the driver is fixed on the position by proximal edge of the screen.
Optionally, the screen includes body part and the light transmission protective layer with the outside for being fitted in the body part, described
Driver is fixed on the body part；Evacuation through-hole or notch, the excitation are either provided on the body part
Device passes through the evacuation through-hole or notch, and is fixed on the light transmission protective layer.
According to another embodiment of the present disclosure, a kind of electronic equipment is provided.The electronic equipment includes shell and above-mentioned
Screen sounding device, the screen sounding device are mounted on the housing.
Optionally, the mass center of the shell is overlapped on perpendicular to direction of vibration with the mass center of the driver.
According to one embodiment of the disclosure, the direction of vibration of driver is parallel to the main surface of screen.The matter of driver
The mass center of the heart and screen has at a distance from setting on the main surface direction of normal to screen.In this way, driver produces in vibration
Raw driving force, and torque is formed to screen.Mass center of the part of screen under the action of torque around screen vibrates.Driver
The vibration of screen entirety is not will drive, so that other component will not be driven, such as the shell body vibration of electronic equipment.This makes
The vibration of driver can be transmitted on screen to the maximum extent, without being transmitted on other component.The device can be effectively
Improve leakage sound phenomenon.
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 structural schematic diagram according to the screen sounding device of one embodiment of the disclosure.
Fig. 2 is according to the partially schematic of the screen sounding device fixed by double-sided adhesive of one embodiment of the disclosure
Figure.
Fig. 3 is according to the partially schematic of the screen sounding device fixed by binder of one embodiment of the disclosure
Figure.
Fig. 4 is the partial schematic diagram according to the screen sounding device being fixed by the bracket of one embodiment of the disclosure.
Fig. 5 is the partial schematic diagram according to the screen sounding device fixed by cushion block of one embodiment of the disclosure.
Fig. 6 is the partial schematic diagram according to the electronic equipment of one embodiment of the disclosure.
Fig. 7-8 is the schematic diagram according to the screen sounding device of one embodiment of the disclosure.
Description of symbols:
11: screen；12: light transmission protective layer；13: driver；14: center；15: rear cover；16: evacuation through-hole；17: two-sided
Glue；18: binder；19: bracket；20: the first sides；21: the second sides；22: cushion block；23: body part.
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 screen sounding device is provided.As shown in Figure 1, the device includes screen
Curtain 11 and driver 13.As shown in Figure 2-5, screen 11 includes the light transmission protection of body part 23 with the outside for being fitted in body part 23
Layer 12.Body part 23 is LED screen or LCD screen.Light transmission protective layer 12 can be effectively protected body part 23.Light transmission protective layer 12
Material be glass, plastics etc..Outside refers to the side outer when screen sounding device is assembled on electronic equipment.
For example, light transmission protective layer 12 to be bonded in the outside of body part 23 by binder.Binder is the public affairs of this field
Know common sense, does not elaborate herein.
Driver 13 is fixed on screen 11.For example, driver 13 is fixed on main surface or the side of screen 11
On.Driver 13 is direct-drive type vibration device, i.e., directly drives screen 11 by the vibration of driver 13 itself and vibrate.Such as Fig. 1
Shown, the mass center of driver 13 and the mass center of screen 11 have at a distance from setting on the main surface direction of normal to screen 11.
The direction of vibration of driver 13 is parallel to the main surface of screen 11.
The mass center of driver 13 refers to the center of the quality of driver 13, as shown in figure 1 shown in A.The mass center of screen 11 refers to
The center of the quality of screen 11.For example, the quality of screen 11 is uniform, then mass center is located at the geometric center position of screen 11, such as Fig. 1
Shown in middle B.The main surface of screen 11 refers to the surface or the surface parallel with the surface for display of screen 11.Screen 11
It can be plane or curved surface.
For example, as shown in Figure 2-5, driver 13 is fixed on main part.Alternatively, as shown in fig. 6, on body part 23
It is provided with evacuation through-hole 16 or notch.Driver 13 passes through evacuation through-hole 16 or notch, and is fixed on light transmission protective layer
On 12.This mode can be effectively reduced the space of the electronic equipment internal of the occupancy of driver 13, convenient for the flat of electronic equipment
Change design.Driver 13, which is arranged on above-mentioned position, can effectively drive 11 vibration sounding of screen.
Fig. 7-8 is the schematic diagram according to the screen sounding device of one embodiment of the disclosure.
In the embodiments of the present disclosure, the direction of vibration of driver 13 is parallel to the main surface of screen 11.The matter of driver 13
The mass center of the heart and screen 11 has at a distance from setting on the main surface direction of normal to screen 11, as shown in figure 1 shown in L.In this way,
In vibration, driver 13 generates driving force, and forms torque to screen 11.The part of screen 11 is under the action of torque around screen
The mass center of curtain 11 vibrates.
For example, as shown in fig. 7, when the driving force of driver 13 is upward, then the part of screen 11 centered on B to the left
It swings；As shown in figure 8, when the driving force of driver 13 is downward, then part side oscillation to the right centered on B of screen 11.Swash
Encourage device 13 occur it is of reciprocating vibration, so that the local vibration of screen 11 is driven, to radiate sound outward.
Driver 13 not will drive the whole vibration of screen 11, so that other component will not be driven, such as electronic equipment
Shell body vibration.This enables the vibration of driver 13 to be transmitted on screen 11 to the maximum extent, without being transmitted to it
On his component.The device can effectively improve the leakage sound phenomenon due to caused by the vibration of the components such as the shell of electronic equipment.
In addition, the structure of the device is simple, do not need to redesign screen sounding device on a large scale.
In one example, as shown in figure 3, driver 13 is fixed on screen 11 by binder 18.Binder 18
Including UV glue, epoxide-resin glue etc..
It is also possible that as shown in Fig. 2, driver 13 is fixed on screen 11 by double-sided adhesive 17.Double-sided adhesive 17 can
It is effectively prevented the excessive glue phenomenon of binder 18.
In one example, as illustrated in figures 4-5, screen sounding device further includes supporting element.Driver 13 passes through supporting element
It is fixed on screen 11.For example, supporting element is fixedly connected by binder 18 or double-sided adhesive 17 with screen 11.Driver 13
It is fixedly connected by binder 18 or double-sided adhesive 17 with supporting element.By be arranged supporting element be adjustable the mass center of driver 13 with
The mass center of screen sounding device the main surface direction of normal to screen 11 distance, thus adjust driver 13 torque it is big
It is small.
In addition, supporting element can also play heat-insulated effect.Since the heat of the presence of supporting element, therefore driver 13 will not be straight
It connects conduction to cause on screen 11, to reduce damage of the heat of the driver 13 in long-time, high-power use to screen 11.
The material of supporting element is metal, plastics or ceramics etc..For example, the materials such as PTFE, PC, PP, POM, PS.
In addition, the setting of supporting element improves the adaptability of driver 13.Can choose driver 13 convenient for assembly
Position is assembled with supporting element, and is not limited to the single surface of driver 13.
In one example, supporting element includes cushion block 22.Cushion block 22 is in block structure.Cushion block 22 is fixed on screen 11
On.Driver 13 is fixed on cushion block 22.The shape of cushion block 22 can be round, rectangular, oval etc..
It is also possible that supporting element includes L bracket 19.L bracket 19 includes two sides interconnected.For example, first
At 20 and second 21.The a line of L bracket 19 is parallel to the main direction of screen 11, and is fixed on screen 11.Swash
Device 13 is encouraged to be fixed in the another a line of L bracket 19.For example, the first side 20 is bonded on screen 11.13 quilt of driver
It is fixed on the second side 21.Driver 13 can be fixed on any position on the second side 21.
Preferably, the area at the position of supporting element connected with screen 11 is less than the face at the corresponding position of driver 13
Product.The connection area that driver 13 Yu screen 11 can be effectively reduced in this way reduces driver 13 for screen
11 adverse effect.
For example, the area on the surface for connection of cushion block 22 is less than the peace when being directly assembled on screen 11 of driver 13
The area in dress face；Or the area on the first side 20 of bracket 19 is less than the mounting surface when being directly assembled on screen 11 of driver 13
Area.Above-mentioned supporting element can reduce the connection area of driver 13 Yu screen 11.
Certainly, the structure of supporting element is not limited to the above embodiments, and those skilled in the art can carry out according to actual needs
Selection.
Driver 13 can be fixed on any position of screen 11.Preferably, as shown in Figure 1, driver 13 is consolidated
It is scheduled on the position by proximal edge of screen 11.Driver 13 is arranged at the position, and the amplitude of screen 11 can be made bigger, listen audio
Fruit is more preferable.
In other examples, driver 13 is arranged on the center of screen 11.The setting of driver 13 is same in the position
Sample can drive screen 11 to carry out vibration sounding.
In other examples, cushion block 22, support frame are fixed on light transmission protective layer 12.In this setup, swash
Encouraging device 13 equally can drive screen 11 to carry out vibration sounding.
According to another embodiment of the present disclosure, a kind of electronic equipment is provided.As shown in fig. 6, electronic equipment can be
But be not limited to mobile phone, tablet computer, intercom, game machine, laptop, VR equipment, AR equipment etc..
The electronic equipment includes shell and above-mentioned screen sounding device.Screen sounding device is installed on shell.For example,
Shell includes center 14 and rear cover 15.Center 14 is in frame structure, such as rectangular box.Rear cover 15 and screen sounding device are pacified
Mounted in the two sides of center 14.Screen sounding device, center 14 and rear cover 15 surround accommodating chamber.Power supply, processor, communication device,
The electronic components such as mainboard are arranged in accommodating chamber.
The electronic equipment has sounding effect good, the small feature of leakage sound.
In one example, as shown in fig. 6, mass center (such as Fig. 6 of mass center (as shown in the C in Fig. 6) and driver 13 of shell
Shown in middle A) it is overlapped on perpendicular to direction of vibration.In this way, the vibration of driver 13 will not form torque to shell,
So that driver 13 will not drive shell vibration.Leakage sound phenomenon can more effectively be improved in this way.
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 screen sounding device, which is characterized in that including screen and driver, the driver is fixed on the screen
On, the mass center of the mass center of the driver and the screen have on the main surface direction perpendicular to the screen setting away from
From the direction of vibration of the driver is parallel to the main surface of the screen.
2. screen sounding device according to claim 1, which is characterized in that the driver passes through binder or two-sided
Glue is fixed on the screen.
3. screen sounding device according to claim 1, which is characterized in that further include supporting element, the driver passes through
The supporting element is fixed on the screen.
4. screen sounding device according to claim 3, which is characterized in that the supporting element includes cushion block, the cushion block
It is fixed on the screen, the driver is fixed on the cushion block.
5. screen sounding device according to claim 3, which is characterized in that the supporting element includes L bracket, the L
The a line of shape bracket is parallel to the main direction of the screen, and is fixed on the screen, and the driver is fixed
In the another a line of the L bracket.
6. according to screen sounding device described in any one in claim 3-5, which is characterized in that the supporting element with
The area at the position of the screen connection is less than the area at the corresponding position of the driver.
7. screen sounding device described in any one in -5 according to claim 1, which is characterized in that the driver is consolidated
It is scheduled on the position by proximal edge of the screen.
8. screen sounding device described in any one in -5 according to claim 1, which is characterized in that the screen includes this
Body portion and light transmission protective layer with the outside for being fitted in the body part, the driver are fixed on the body part；Or
Person
Evacuation through-hole is provided on the body part, and perhaps the notch driver passes through the evacuation through-hole or notch,
And it is fixed on the light transmission protective layer.
9. a kind of electronic equipment, which is characterized in that the screen hair including shell and as described in any one in claim 1-8
Acoustic device, the screen sounding device are mounted on the housing.
10. electronic equipment according to claim 9, which is characterized in that the matter of the mass center of the shell and the driver
The heart is overlapped on perpendicular to direction of vibration.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822013020.9U CN208940241U (en) | 2018-11-30 | 2018-11-30 | Screen sounding device and electronic equipment |
| PCT/CN2018/123672 WO2020107603A1 (en) | 2018-11-30 | 2018-12-26 | Screen sounding apparatus and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822013020.9U CN208940241U (en) | 2018-11-30 | 2018-11-30 | Screen sounding device and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208940241U true CN208940241U (en) | 2019-06-04 |
Family
ID=66728240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822013020.9U Active CN208940241U (en) | 2018-11-30 | 2018-11-30 | Screen sounding device and electronic equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208940241U (en) |
| WO (1) | WO2020107603A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163397A (en) * | 2020-01-17 | 2020-05-15 | 西安闻泰电子科技有限公司 | Screen sounding structure and mobile phone terminal |
| CN111698358A (en) * | 2020-06-09 | 2020-09-22 | Oppo广东移动通信有限公司 | Electronic device |
| WO2021218242A1 (en) * | 2020-04-30 | 2021-11-04 | 中兴通讯股份有限公司 | Ema assembly, mobile terminal, mobile terminal sound production method, terminal, and computer storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4683367B2 (en) * | 2000-08-04 | 2011-05-18 | ヤマハ株式会社 | Linear vibrator and speaker equipped with the vibrator |
| CN204069334U (en) * | 2014-07-14 | 2014-12-31 | 瑞声光电科技(常州)有限公司 | screen sound-producing device |
| CN108156562A (en) * | 2017-12-28 | 2018-06-12 | 上海传英信息技术有限公司 | A kind of display screen sound-producing device and intelligent terminal |
-
2018
- 2018-11-30 CN CN201822013020.9U patent/CN208940241U/en active Active
- 2018-12-26 WO PCT/CN2018/123672 patent/WO2020107603A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163397A (en) * | 2020-01-17 | 2020-05-15 | 西安闻泰电子科技有限公司 | Screen sounding structure and mobile phone terminal |
| WO2021218242A1 (en) * | 2020-04-30 | 2021-11-04 | 中兴通讯股份有限公司 | Ema assembly, mobile terminal, mobile terminal sound production method, terminal, and computer storage medium |
| CN111698358A (en) * | 2020-06-09 | 2020-09-22 | Oppo广东移动通信有限公司 | Electronic device |
| CN111698358B (en) * | 2020-06-09 | 2021-07-16 | Oppo广东移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020107603A1 (en) | 2020-06-04 |
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