CN110650389A - Sound production device and audio playing equipment - Google Patents
Sound production device and audio playing equipment Download PDFInfo
- Publication number
- CN110650389A CN110650389A CN201910932829.8A CN201910932829A CN110650389A CN 110650389 A CN110650389 A CN 110650389A CN 201910932829 A CN201910932829 A CN 201910932829A CN 110650389 A CN110650389 A CN 110650389A
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- China
- Prior art keywords
- mounting hole
- sound
- loudspeaker
- sound generating
- gasket
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a sound generating device and audio playing equipment. The sound production device comprises a loudspeaker component and a sound box; the sound box is provided with a mounting hole, a sealing surface is formed on the sound box around the outer surface of the mounting hole, and an annular groove formed by the inner recess of the sealing surface is formed on the sealing surface around the mounting hole; the loudspeaker subassembly sets up in the mounting hole, the edge of loudspeaker subassembly through the fastener with sealed face forms to be connected, and be in loudspeaker subassembly with be provided with the gasket between the sealed face, the gasket covers the ring channel. One technical effect of the invention is that: when adopting the fastener to compress tightly loudspeaker subassembly and audio amplifier, the gasket between loudspeaker subassembly and the audio amplifier can produce the deformation because the pressurized, and the ring channel can be used to hold the deformation that the gasket produced.
Description
Technical Field
The invention relates to the technical field of acoustic devices, in particular to a sound production device and audio playing equipment.
Background
In recent years, with the rapid development of electroacoustic technology, various electroacoustic products are changing day by day. The sound generating device is an indispensable device in electroacoustic products as an energy converter capable of converting an electric signal into a sound signal. With the increasing demand for the performance of electro-acoustic products, various electro-acoustic products are on the trend of rapid development. At present, the structural design of the sound generating device becomes a research focus for those skilled in the art.
The existing sound generating devices, such as speakers, require that the speaker assembly and the sound box be hermetically combined together during the assembly process of the structure of the existing sound generating devices. In order to achieve the sealing connection between the speaker assembly and the sound box, a sealing washer is usually required to be disposed between the speaker assembly and the sound box, and then the speaker assembly and the sound box are locked by screws. However, problems have been found in the locking of the horn assembly to the cabinet: after the loudspeaker assembly is locked by the screws, the basin frame in the loudspeaker assembly is prone to slight upward deformation, and the deformation of the basin frame can cause deformation of the rubber edge, so that the performance of the loudspeaker assembly is unstable. The reason for this problem is that: when adopting screw locking loudspeaker subassembly and audio amplifier, the screw can produce certain extrusion force towards the direction of audio amplifier, and this extrusion force can make seal ring between loudspeaker subassembly and the audio amplifier produce and warp, and seal ring in case produce the back that warp, the deformation volume that corresponds does not have the space that can the holding, and the produced deformation volume of seal ring at this moment will pile up to the weakest position of sound basin in the loudspeaker subassembly, finally can lead to the basin frame to produce and warp.
Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a sound generating device and a new technical scheme of an audio playing device.
According to a first aspect of the present invention, there is provided a sound generating apparatus comprising a speaker assembly and a sound box;
the sound box is provided with a mounting hole, a sealing surface is formed on the sound box around the outer surface of the mounting hole, and an annular groove formed by the inner recess of the sealing surface is formed on the sealing surface around the mounting hole;
the loudspeaker subassembly sets up in the mounting hole, the edge of loudspeaker subassembly through the fastener with sealed face forms to be connected, and be in loudspeaker subassembly with be provided with the gasket between the sealed face, the gasket covers the ring channel.
Optionally, the inner wall of the mounting hole forms a step structure, and the horn assembly is embedded in the mounting hole.
Optionally, at least one side of the annular groove is provided with a plurality of radial grooves towards the outside, and the radial grooves are uniformly distributed around the circumference of the annular groove.
Optionally, the gasket is made of an elastic material.
Optionally, the edge of the horn assembly is provided with a fixing hole, and the size of the fixing hole is matched with that of the fastener.
Optionally, the sound box includes a box body and a box cover disposed on the top of the box body, and the mounting hole is disposed on the box cover.
Optionally, the speaker assembly comprises a frame, the frame comprising side walls, the side walls enclosing an accommodation space; the basin stand is made of plastic materials.
Optionally, the horn assembly further comprises a magnetic circuit system, and a vibration system matched with the magnetic circuit system;
the magnetic circuit system comprises a U-shaped magnetizer and a central magnet arranged in the U-shaped magnetizer, a magnetic gap is formed between the U-shaped magnetizer and the central magnet, and the U-shaped magnetizer is connected with the basin stand;
the vibration system is arranged in the basin frame and comprises a voice coil framework and a sound basin; the voice coil framework is arranged on the voice cone, and the voice cone is arranged on the cone frame; and the voice coil body on the voice coil framework is suspended in the magnetic gap.
Optionally, the vibration system further comprises a centering support, and the centering support is arranged in the basin stand.
According to a second aspect of the present invention, an audio playback device is provided. The audio playing device comprises the sound generating device.
According to the sound production device provided by the embodiment of the invention, the annular groove with a certain accommodating space is arranged on the sound box, and when the loudspeaker assembly is tightly pressed on the sound box by adopting the fastening piece, the annular groove can be used for accommodating the deformation volume generated by the gasket between the loudspeaker assembly and the sound box, so that the sound basin in the loudspeaker assembly can be effectively prevented from deforming to further influence the performance of the whole sound production device.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is an exploded view of a sound generating device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a mounting hole in a sound generating device according to an embodiment of the present invention.
Description of reference numerals:
1-loudspeaker component, 101-basin frame, 102-fixing hole, 2-gasket, 3-sound box, 301-box cover, 3011-mounting hole, 3012-annular groove, 3013-radial groove, 302-box body and 4-fastener.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The embodiment of the invention provides a sound generating device which can be a loudspeaker. The sound production device has the characteristics of good acoustic performance, good reliability, convenience in manufacturing and the like, is very suitable for being applied to electronic products such as audio playing equipment and the like, has a good application prospect, and is very suitable for popularization and use.
The sound production device provided by the embodiment of the invention can be structurally shown in fig. 1, and comprises a loudspeaker component 1 and a sound box 3, wherein the loudspeaker component 1 is installed on the sound box 3. Wherein, a mounting hole 3011 for mounting the speaker assembly 1 is provided on the sound box 3, and a sealing surface is formed on the sound box 3 around the outer surface of the mounting hole 3011. An annular groove 3012 formed by the recess in the sealing surface is formed in the sealing surface around the mounting hole 3011. The horn assembly 1 is disposed inside the mounting hole 3011. The edge of the horn component 1 is connected with the sealing surface through a fastening piece 4, and a gasket 2 is arranged between the horn component 1 and the sealing surface to achieve a good sealing effect. The shim 2 covers the annular groove 3012.
The sound production device provided by the embodiment of the invention improves the structure of the sound box 3. Specifically, a special mounting hole 3011 is formed in the sound box 3, the mounting hole 3011 is used for mounting the speaker assembly 1, and a ring-shaped annular groove 3012 having a receiving space is formed in the sound box 3 around the mounting hole 3011. The reason why the annular groove 3012 is designed on the sound box 3 in the present invention is that: when adopting fastener 4 to compress tightly loudspeaker subassembly 1 and realize sealing connection on audio amplifier 3, fastener 4 can produce decurrent effort, and meanwhile, gasket 2 between loudspeaker subassembly 1 and the audio amplifier 3 can produce the deformation towards audio amplifier 3 direction, and this part deformation volume that gasket 2 can be acceptd just to ring channel 3012 this moment to can prevent effectively that the sound basin in loudspeaker subassembly 1 from producing and warping and then influencing whole sound generating mechanism's performance. Compared with the prior art, the annular groove 3012 designed in the invention can absorb the deformation volume of the gasket 2, and the problems in the prior art are solved.
It should be noted that, in the present invention, the number of the fastening members 4 may be flexibly set according to actual needs, for example, four fastening members may be set, which is not limited in this respect. The fastening member 4 may be, for example, a screw, a bolt, a screw, a rivet, etc., and those skilled in the art can flexibly select the fastening member according to the needs, without limitation.
As shown in fig. 1, in the sound generating apparatus provided by the embodiment of the present invention, the inner wall of the mounting hole 3011 forms a step structure, and the horn assembly 1 is embedded in the mounting hole 3011. At this time, the side portion of the speaker assembly 1 may form a good fitting relationship with the inner wall of the mounting hole 3011, which is beneficial to stably fix the speaker assembly 1 inside the mounting hole 3011.
As shown in fig. 2, a plurality of radial slots 3013 are disposed on at least one side of the annular slot 3012 toward the outside, and the radial slots 3013 are uniformly distributed around the circumference of the annular slot 3012. When the gasket 2 between the loudspeaker assembly 1 and the sound box 3 is pressed to deform, the deformation can be in multiple directions, and a plurality of radial grooves 3013 are arranged at the edge of the annular groove 3012 and can be used for accommodating the deformation volume of the gasket 2 in multiple directions. That is, the annular slot 3012 and the radial slot 3013 are designed to accommodate the deformation volume generated by the gasket 2 in all directions and at multiple angles.
In an alternative example of the present invention, a plurality of radial slots 3013 are disposed on any side of the annular slot 3012 towards the outside, and the radial slots 3013 are uniformly distributed around the circumference of the annular slot 3012.
In another alternative example of the present invention, as shown in fig. 2, a plurality of radial slots 3013 are respectively disposed on two side edges of the annular slot 3012, and the radial slots 3013 are uniformly distributed around the circumference of the annular slot 3012.
In addition, the annular groove 3012 of the present invention may have a rectangular or semicircular arc shape in longitudinal section, for example, so that the annular groove 3012 has a large accommodation space. The shape of the annular groove 3012 can be flexibly adjusted by those skilled in the art according to the needs, and the invention is not limited thereto.
The gasket 2 of the present invention has good elasticity. The gasket 2 may be made of an elastic material, for example, a rubber material, a latex material, or a silicone material, or may be made of other elastic materials, which may be flexibly selected by those skilled in the art according to the needs, without limitation.
The structure of the sound box 3 of the present invention is: as shown in fig. 1, the portable electronic device includes a case 302 and a case cover 301 disposed on the top of the case 302. The top of the box 302 is open, and the box cover 301 covers the top of the box 302 and is connected with the box 302. The cover 301 and the case 302 may be detachably coupled, for example. The outer shape of the enclosure 3 may be, for example, a cube shape. Of course, those skilled in the art can modify the shape of the sound box 3 as required. The mounting holes 3011 are provided in the cover 301. The mounting hole 3011 may be provided at a central position of the cover 301, for example. Of course, the position of the mounting hole 3011 can be adjusted reasonably by those skilled in the art, and the invention is not limited thereto.
The horn assembly 1 of the present invention is provided with a plurality of fixing holes 102 at the edge positions thereof, and the size of the fixing holes 102 should be adapted to the size of the fastening members 4. On the basis, the gasket 2 and the mounting hole 3011 are correspondingly provided with assembling holes matched with the fixing holes 102, so that the loudspeaker assembly 1, the gasket 2 and the sound box 3 can be connected together by using the fasteners 4. The connection mode is simple, low in cost and easy to assemble and disassemble.
In an alternative example of the present invention, as shown in fig. 1, four fixing holes 102 are provided at the edge of the horn assembly 1, and the four fixing holes 102 are uniformly distributed at the edge of the horn assembly 1. At this time, four fasteners 4 are needed, which is beneficial to stably and firmly connecting the speaker assembly 1 and the sound box 3.
The horn assembly 1 of the present invention, as shown in fig. 1, includes a frame 101. The frame 101 includes side walls that enclose a receiving space. The material of the frame 101 may be, for example, plastic material.
Also, the horn assembly 1 of the present invention further includes a magnetic circuit system, and a vibration system (not shown in fig. 1 and 2) cooperating with the magnetic circuit system.
Specifically, the structure of the magnetic circuit system is as follows: the pot comprises a U-shaped magnetizer and a central magnet arranged in the U-shaped magnetizer, a magnetic gap is formed between the U-shaped magnetizer and the central magnet, and the U-shaped magnetizer is fixedly connected with the pot frame.
In particular, the vibration system is arranged inside the basin stand 101. The vibration system has the structure that: comprises a voice coil framework and a voice cone; the voice coil framework is arranged on the cone, and the cone is arranged on the cone frame 101; and the voice coil body on the voice coil framework is suspended in the magnetic gap. And, the vibration system further includes a centering branch piece disposed inside the tub 101.
According to the sound production device provided by the embodiment of the invention, a firm and sealed locking structure can be formed among the loudspeaker component 1, the gasket 2 and the sound box 3. When the gasket 2 is compressed, the gasket 2 deforms, and the deformation volume generated by the gasket 2 can be absorbed by the annular groove 3012 arranged on the sound box 3, so that the influence on the deformation of the cone 101 in the loudspeaker assembly 1 is prevented.
On the other hand, the embodiment of the invention also provides audio playing equipment. The audio playing device comprises the sound generating device. The audio playing equipment can well meet the audio playing requirement of a user.
Of course, the sound generating device may also be applied to other types of electronic devices, such as a smart phone, a smart watch, a tablet computer, a notebook computer, and smart wearing, which is not limited in this respect.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A sound generating device, characterized by: comprises a loudspeaker component and a sound box;
the sound box is provided with a mounting hole, a sealing surface is formed on the sound box around the outer surface of the mounting hole, and an annular groove formed by the inner recess of the sealing surface is formed on the sealing surface around the mounting hole;
the loudspeaker subassembly sets up in the mounting hole, the edge of loudspeaker subassembly through the fastener with sealed face forms to be connected, and be in loudspeaker subassembly with be provided with the gasket between the sealed face, the gasket covers the ring channel.
2. The sound generating apparatus of claim 1, wherein: the inner wall of the mounting hole forms a step structure, and the horn component is embedded in the mounting hole.
3. The sound generating apparatus of claim 1, wherein: at least one side of ring channel is provided with a plurality of radial grooves to the outside, a plurality of radial grooves surround the circumference of ring channel is evenly distributed.
4. The sound generating apparatus of claim 1, wherein: the gasket is made of an elastic material.
5. The sound generating apparatus of claim 1, wherein: the edge of loudspeaker subassembly is provided with the fixed orifices, the size of fixed orifices with the size looks adaptation of fastener.
6. The sound generating apparatus of claim 1, wherein: the loudspeaker box comprises a box body and a box cover arranged on the top of the box body, and the mounting hole is formed in the box cover.
7. The sound generating apparatus of claim 1, wherein: the loudspeaker assembly comprises a basin frame, the basin frame comprises a side wall, and the side wall encloses an accommodating space;
the basin stand is made of plastic materials.
8. The sound generating apparatus of claim 7, wherein: the loudspeaker component also comprises a magnetic circuit system and a vibration system matched with the magnetic circuit system;
the magnetic circuit system comprises a U-shaped magnetizer and a central magnet arranged in the U-shaped magnetizer, a magnetic gap is formed between the U-shaped magnetizer and the central magnet, and the U-shaped magnetizer is connected with the basin stand;
the vibration system is arranged in the basin frame and comprises a voice coil framework and a sound basin; the voice coil framework is arranged on the voice cone, and the voice cone is arranged on the cone frame; and the voice coil body on the voice coil framework is suspended in the magnetic gap.
9. The sound generating apparatus of claim 8, wherein: the vibration system further comprises a centering support piece, and the centering support piece is arranged in the basin frame.
10. An audio playback device, characterized by: comprising a sound emitting device according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932829.8A CN110650389A (en) | 2019-09-29 | 2019-09-29 | Sound production device and audio playing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932829.8A CN110650389A (en) | 2019-09-29 | 2019-09-29 | Sound production device and audio playing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN110650389A true CN110650389A (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910932829.8A Pending CN110650389A (en) | 2019-09-29 | 2019-09-29 | Sound production device and audio playing equipment |
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| CN (1) | CN110650389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466264A (en) * | 2021-12-21 | 2022-05-10 | 广州市锐丰数字科技有限公司 | High-stability acoustic horn installation mechanism and application method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2927575Y (en) * | 2005-11-17 | 2007-07-25 | 深圳Tcl新技术有限公司 | Fixing and shock-absorbing structure of loundspeaker box |
| CN101694822A (en) * | 2009-10-13 | 2010-04-14 | 浙江环方汽车电器有限公司 | Solenoid switch |
| CN103644298A (en) * | 2013-11-27 | 2014-03-19 | 芜湖通和汽车管路系统有限公司 | Sensor mounting base structure |
| CN204452199U (en) * | 2015-02-05 | 2015-07-08 | 梁志华 | For installing the packing ring of horn trumpet |
| CN204697267U (en) * | 2015-05-18 | 2015-10-07 | Tcl通力电子（惠州）有限公司 | Fixing structure for horn and sound equipment |
| CN205754793U (en) * | 2016-05-13 | 2016-11-30 | 泉州市科阳电子科技有限公司 | A kind of Novel outdoor speaker |
| CN207010967U (en) * | 2017-07-20 | 2018-02-13 | Tcl通力电子（惠州）有限公司 | Loudspeaker and sound equipment |
| CN207304903U (en) * | 2017-07-31 | 2018-05-01 | 歌尔智能科技有限公司 | Magnetic circuit system and horn single body |
| CN207589138U (en) * | 2017-11-15 | 2018-07-06 | 深圳市冠旭电子股份有限公司 | Speaker component and Baffle Box of Bluetooth |
| CN108429988A (en) * | 2018-04-27 | 2018-08-21 | 项晓峰 | A kind of Ultrathin speaker structure |
-
2019
- 2019-09-29 CN CN201910932829.8A patent/CN110650389A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2927575Y (en) * | 2005-11-17 | 2007-07-25 | 深圳Tcl新技术有限公司 | Fixing and shock-absorbing structure of loundspeaker box |
| CN101694822A (en) * | 2009-10-13 | 2010-04-14 | 浙江环方汽车电器有限公司 | Solenoid switch |
| CN103644298A (en) * | 2013-11-27 | 2014-03-19 | 芜湖通和汽车管路系统有限公司 | Sensor mounting base structure |
| CN204452199U (en) * | 2015-02-05 | 2015-07-08 | 梁志华 | For installing the packing ring of horn trumpet |
| CN204697267U (en) * | 2015-05-18 | 2015-10-07 | Tcl通力电子（惠州）有限公司 | Fixing structure for horn and sound equipment |
| CN205754793U (en) * | 2016-05-13 | 2016-11-30 | 泉州市科阳电子科技有限公司 | A kind of Novel outdoor speaker |
| CN207010967U (en) * | 2017-07-20 | 2018-02-13 | Tcl通力电子（惠州）有限公司 | Loudspeaker and sound equipment |
| CN207304903U (en) * | 2017-07-31 | 2018-05-01 | 歌尔智能科技有限公司 | Magnetic circuit system and horn single body |
| CN207589138U (en) * | 2017-11-15 | 2018-07-06 | 深圳市冠旭电子股份有限公司 | Speaker component and Baffle Box of Bluetooth |
| CN108429988A (en) * | 2018-04-27 | 2018-08-21 | 项晓峰 | A kind of Ultrathin speaker structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114466264A (en) * | 2021-12-21 | 2022-05-10 | 广州市锐丰数字科技有限公司 | High-stability acoustic horn installation mechanism and application method thereof |
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