CN217607962U - Hollow loudspeaker - Google Patents
Hollow loudspeaker Download PDFInfo
- Publication number
- CN217607962U CN217607962U CN202220853010.XU CN202220853010U CN217607962U CN 217607962 U CN217607962 U CN 217607962U CN 202220853010 U CN202220853010 U CN 202220853010U CN 217607962 U CN217607962 U CN 217607962U
- Authority
- CN
- China
- Prior art keywords
- annular
- vertical surface
- hollow
- diaphragm
- washer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a hollow loudspeaker, which comprises a shell, a magnet, a washer, a voice coil, a vibrating diaphragm and a protecting cover which are positioned on the same axis; the casing comprises an annular bottom surface, an outer vertical surface and an inner vertical surface, the outer vertical surface and the inner vertical surface are respectively connected to the outer ring edge and the inner ring edge of the bottom surface and are perpendicular to the bottom surface, the outer vertical surface and the inner vertical surface jointly form an accommodating cavity, the magnet and the washer are sequentially sleeved on the inner vertical surface, a magnetic gap is formed between the magnet and the inner vertical surface, the vibrating diaphragm comprises an annular diaphragm and a fixing part, the annular diaphragm is erected above the magnetic gap through the fixing part, a voice coil connected to the annular diaphragm is hung in the magnetic gap, and the protecting cover is installed on the casing through the two fixing parts of the vibrating diaphragm; the utility model discloses a cavity speaker has not only reduced the weight of speaker self, has dwindled mounting dimension, has still attenuated low frequency curve and high frequency curve to promote the people's voice, make sound more clear full.
Description
Technical Field
The application relates to the technical field of speakers, in particular to a hollow speaker.
Background
With the development of science and technology, people have stronger and stronger dependence on electronic products such as smart phones and tablet computers, the use frequency is higher and higher, and the electronic products usually have the requirements of small volume and light weight for the purpose of portability. Speakers have been widely used as important components of terminals having an audio playing function, and smart phones, tablet computers, and the like generally provide only a limited installation space for the speakers and require the speakers to reduce their size and weight as much as possible.
In the prior art, in order to reduce the size and weight of the loudspeaker, a loudspeaker with a single diaphragm for sounding is usually adopted, when the structure is used, human voice is usually mixed in a large amount of low-frequency sound to become unclear, and the audio which people most often need to listen to when using such electronic products is often the human voice.
Therefore, it is desirable to provide a speaker capable of clearly showing human voice, small in size and light in weight, so as to meet the demands of electronic products in the current market.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a hollow speaker to solve the technical problem of highlighting human voice while reducing the weight and size of the speaker.
An embodiment of the utility model provides a cavity speaker, include:
the shell, the magnet, the washer, the voice coil, the vibrating diaphragm and the protecting cover are positioned on the same axis; wherein
The shell comprises an annular bottom surface, an outer vertical surface and an inner vertical surface, the outer vertical surface and the inner vertical surface are respectively connected to the outer ring edge and the inner ring edge of the bottom surface and are arranged perpendicular to the bottom surface, and the bottom surface, the outer vertical surface and the inner vertical surface jointly form an accommodating cavity;
the magnet and the washer are sequentially sleeved on the inner vertical surface and fixed in the accommodating cavity, and a magnetic gap is formed between the magnet and the inner vertical surface;
the inner vertical face is provided with a fixed step for providing a mounting position for the vibrating diaphragm, the vibrating diaphragm comprises an annular diaphragm and fixing parts arranged at the edges of an inner ring and an outer ring of the annular diaphragm, and the fixing parts at the edges of the inner ring and the outer ring are respectively mounted on the fixed step and the washer;
the voice coil is a hollow cylinder, and is connected to the annular diaphragm of the diaphragm at the top surface of the voice coil so as to be suspended in the magnetic gap;
the protecting cover is installed on the shell through the two fixing parts of the vibrating diaphragm.
Preferably, the protecting cover comprises an annular covering surface and two mounting surfaces vertically connected to the outer ring edge and the inner ring edge of the covering surface respectively, and one ends of the two mounting surfaces, which are not connected with the covering surface, are connected to two fixing portions of the vibrating diaphragm respectively.
Preferably, the annular covering surface of the protecting cover is provided with at least one through hole, so that sound generated by sound membrane vibration can be transmitted more clearly.
Preferably, the at least one through-opening in the annular cover surface is distributed uniformly over the annular cover surface in the circumferential direction.
Preferably, the annular diaphragm comprises a first annular part connected to the edge of the outer ring and a second annular part connected to the edge of the inner ring, the radial cross sections of the first annular part and the second annular part are in arc shapes with different diameters, the radius of the radial cross section of the first annular part is larger than that of the radial cross section of the second annular part, the voice coil is connected at the joint of the first annular part and the second annular part, and the voice coil and the annular diaphragm form a voice coil diaphragm combination together.
Preferably, the washer is a hollow cylinder, the hollow diameter of the washer is larger than that of the inner vertical surface, and a circuit board is further arranged on the outer ring of the washer and used for obtaining a sound source from the outside.
Preferably, the shell is filled with sponge at the hollow part of the inner side of the inner vertical surface, so that noise such as airflow sound is absorbed, and sound definition is improved.
Preferably, the hollow speaker further comprises a gasket made of eva sponge for reducing resonance, making the speaker installation more stable.
Preferably, the hollow loudspeaker further comprises a dust cover for shielding the magnetic gap and preventing impurities, dust and the like from entering the magnetic gap to influence the sound quality; in addition, the dust cover can also assist the diaphragm to adjust the frequency response of the loudspeaker.
Preferably, the dust cover is detachably provided on the housing in a state where the hollow speaker is mounted in an external speaker. When not using the speaker, can keep the dust cover and avoid the dust to get into the magnetism clearance, play the guard action to the speaker, can remove the dust cover when using the speaker, make the sound of speaker more clear and more light.
Above-mentioned cavity speaker can install and use in various electronic product, for example the earphone, the smart mobile phone, panel computer etc, through being cavity with speaker structural design, low frequency curve and high frequency curve have been attenuated, thereby promote the people's voice, make sound more clear plump, furthermore, the speaker that adopts the loop configuration has not only reduced the weight of speaker self, the installation dimension has been reduced, more be fit for installing in portable electronic product such as smart mobile phone, panel computer, and it wears gracefully to make the earphone, no pressure is felt, more can protect people's sense of hearing.
Drawings
Fig. 1 is a schematic perspective view of a hollow speaker according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of the hollow speaker of fig. 1 taken along II-II;
fig. 3 is an exploded view of a hollow speaker according to an embodiment of the present invention.
Description of the main elements
Facade 12
Fixed step 131
Accommodating chamber 14
Washer 30
First annular portion 511
Second annular portion 512
Fixed part 52
Protecting cover 60
Through hole 63
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
An embodiment of the utility model provides a cavity speaker, include:
the shell, the magnet, the washer, the voice coil, the vibrating diaphragm and the protecting cover are positioned on the same axis; wherein
The shell comprises an annular bottom surface, an outer vertical surface and an inner vertical surface, the outer vertical surface and the inner vertical surface are respectively connected to the outer ring edge and the inner ring edge of the bottom surface and are arranged perpendicular to the bottom surface, and the bottom surface, the outer vertical surface and the inner vertical surface jointly form an accommodating cavity;
the magnet and the washer are sequentially sleeved on the inner vertical surface and fixed in the accommodating cavity, and a magnetic gap is formed between the magnet and the inner vertical surface;
the inner vertical surface is provided with a fixed step for providing a mounting position for the vibrating diaphragm, the vibrating diaphragm comprises an annular diaphragm and fixing parts arranged at the edges of an inner ring and an outer ring of the annular diaphragm, and the fixing parts at the edges of the inner ring and the outer ring are respectively arranged on the fixed step and the washer;
the voice coil is a hollow cylinder, and is connected to the annular diaphragm of the diaphragm at the top surface of the voice coil so as to be suspended in the magnetic gap;
the protecting cover is installed on the shell through two fixing parts of the vibrating diaphragm.
Above-mentioned cavity speaker can install and use in various electronic product, for example earphone, smart mobile phone, panel computer etc, through being cavity with speaker structural design, low frequency curve and high frequency curve have been attenuated, promote the voice, make sound clear more full, in addition, the speaker that adopts the loop configuration has not only reduced the weight of speaker self, installation dimension has been reduced, more be fit for installing in portable electronic product such as smart mobile phone, panel computer, and it wears merrily and lightheartedly to make the earphone, no pressure is felt, more can protect people's sense of hearing.
The above embodiments are further explained below with reference to the drawings.
As shown in fig. 1-2, in some embodiments, hollow speaker 100 includes housing 10, magnet 20, washer 30, voice coil 40, diaphragm 50, protective cover 60, and circuit board 70, all of which are located on the same axis. Specifically, the housing 10 includes a bottom surface 11, an outer vertical surface 12 and an inner vertical surface 13, the bottom surface 11 is annular, the outer vertical surface 12 and the inner vertical surface 13 are respectively connected to an outer ring and an inner ring of the bottom surface 11 and are perpendicular to the bottom surface, the bottom surface 11, the outer vertical surface 12 and the inner vertical surface 13 together form a receiving cavity 14, and the magnet 20, the washer 30, the voice coil 40 and the diaphragm 50 are all received in the receiving cavity 14.
As shown in fig. 2, the magnet 20 and the washer 30 are sequentially fixed in the accommodating cavity 14, the magnet 20 and the washer 30 are both hollow cylinders, the diameters of the inner rings of the hollow cylinders are the same and are larger than the diameter of the inner vertical surface 13, and therefore a magnetic gap 80 is formed between the magnet 20, the washer 30 and the inner vertical surface 13. The washer 30 is further provided with a circuit board on its outer ring for sound source input.
Be equipped with fixed step 131 on interior facade 13, for vibrating diaphragm 50 provides the installation position, vibrating diaphragm 50 includes annular diaphragm 51 and fixed part 52, and fixed part 52 sets up on the inner ring edge of annular diaphragm 51 and outer ring edge, and fixed part 52 of vibrating diaphragm 50 is fixed respectively on fixed step 131 and china 30.
The cover 60 includes an annular covering surface 61 and two mounting surfaces 62 respectively attached to the outer ring and the inner ring of the covering surface 61, and the mounting surfaces 62 are attached at one end to the covering surface 61 and at the other end to the two fixing portions 52 of the diaphragm 50, respectively.
In the present embodiment, the housing 10 is a hollow structure, so that the weight of the housing can be reduced, the cost can be reduced, and the gap magnetic field distribution in the magnetic circuit can be more uniform, which contributes to reducing harmonic distortion. In addition, whole speaker is hollow structure in this embodiment, and it has not only reduced speaker weight, and the follow-up installation of being convenient for is in portable electronic equipment or earphone to through the structure attenuation low frequency curve and the high frequency curve of monomer open annular design, promoted the people's voice, make sound clear more full.
In some embodiments, as shown in fig. 3, the annular covering surface 61 of the protective cover 60 is provided with a plurality of through holes 63, so that the sound generated by the vibration of the membrane 51 can be transmitted more clearly.
In some embodiments, the annular diaphragm 51 includes a first annular portion 511 connected to the outer annular edge thereof and a second annular portion 512 connected to the inner annular edge thereof, the first annular portion 511 and the second annular portion 512 have arc shapes with different diameters in radial cross section, wherein the radius of the radial cross section of the first annular portion 511 is larger than that of the second annular portion 512, and the voice coil 40 is connected at the connection of the first annular portion 511 and the second annular portion 512.
In some embodiments, the sponge is filled in the hollow part of the inner ring of the inner vertical surface 13 of the casing 10, so that noise such as airflow sound can be absorbed, and the sound definition is improved.
In some embodiments, the hollow speaker 100 is further provided with a gasket made of eva sponge, which can reduce resonance, making the speaker mounting more robust.
In some embodiments, the hollow speaker 100 is further provided with a dust cover, which shields the magnetic gap 80 to prevent impurities, dust, etc. from entering the magnetic gap and affecting the sound quality; the dust cover may also assist diaphragm 50 in adjusting the frequency response of the speaker.
In some embodiments, the hollow loudspeaker provided with the dust cover is installed in the external loudspeaker, the dust cover can be detached, when the loudspeaker is not used, the dust cover can be reserved to prevent dust from entering the magnetic gap, the loudspeaker is protected, the dust cover can be removed when the loudspeaker is used, and the sound of the loudspeaker is clearer.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or substituted equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A hollow speaker, comprising:
the device comprises a shell, a magnet, a washer, a voice coil, a vibrating diaphragm and a protecting cover which are positioned on the same axis;
the shell comprises an annular bottom surface, an outer vertical surface and an inner vertical surface, the outer vertical surface and the inner vertical surface are respectively connected to the outer ring edge and the inner ring edge of the bottom surface and are perpendicular to the bottom surface, and the bottom surface, the outer vertical surface and the inner vertical surface jointly form an accommodating cavity;
the magnet and the washer are sequentially sleeved on the inner vertical surface and fixed in the accommodating cavity, and a magnetic gap is formed between the magnet and the inner vertical surface;
the inner vertical face is provided with a fixed step for providing a mounting position for the vibrating diaphragm, the vibrating diaphragm comprises an annular diaphragm and fixing parts arranged at the edges of an inner ring and an outer ring of the annular diaphragm, and the fixing parts at the edges of the inner ring and the outer ring are respectively mounted on the fixed step and the washer;
the voice coil is a hollow cylinder, and is connected to the annular diaphragm of the diaphragm at the top surface of the voice coil so as to be suspended in the magnetic gap;
the protecting cover is installed on the shell through the two fixing parts of the vibrating diaphragm.
2. The hollow loudspeaker of claim 1,
the protecting cover comprises an annular covering surface and two mounting surfaces which are respectively and vertically connected to the edge of the outer ring and the edge of the inner ring of the covering surface, wherein the two mounting surfaces are not connected with one end of the covering surface and are respectively connected with the two fixing parts of the vibrating diaphragm.
3. The hollow loudspeaker of claim 2, wherein the annular cover surface of the cover defines at least one aperture therethrough.
4. A hollow loudspeaker according to claim 3, wherein the at least one through-hole is evenly distributed circumferentially over the cover surface.
5. The hollow loudspeaker of claim 1,
the annular diaphragm comprises a first annular part connected to the outer ring edge and a second annular part connected to the inner ring edge, the radial cross sections of the first annular part and the second annular part are arcs with different diameters, and the radius of the radial cross section of the first annular part is larger than that of the radial cross section of the second annular part.
6. The hollow speaker of claim 5,
the voice coil is connected at the junction of the first annular portion and the second annular portion.
7. The hollow loudspeaker of claim 1,
the washer is a hollow cylinder, the hollow diameter of the washer is larger than that of the inner vertical surface, and a circuit board is further arranged on the outer ring of the washer.
8. The hollow loudspeaker of claim 1,
the shell is filled with sponge at the hollow part of the inner side of the inner vertical surface.
9. A hollow loudspeaker according to claim 1,
the hollow speaker further comprises a dust cover for shielding the magnetic gap.
10. The hollow speaker of claim 9,
the dust cover is removably disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853010.XU CN217607962U (en) | 2022-04-13 | 2022-04-13 | Hollow loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220853010.XU CN217607962U (en) | 2022-04-13 | 2022-04-13 | Hollow loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607962U true CN217607962U (en) | 2022-10-18 |
Family
ID=83566225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220853010.XU Active CN217607962U (en) | 2022-04-13 | 2022-04-13 | Hollow loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607962U (en) |
-
2022
- 2022-04-13 CN CN202220853010.XU patent/CN217607962U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022206047A1 (en) | Electronic device | |
| CN109151680B (en) | Electronic device | |
| CN114554369B (en) | Sound producing device and electronic equipment | |
| JP5102876B2 (en) | PCB with embedded speaker assembly | |
| EP2934023B1 (en) | Audio transducer with electrostatic discharge protection | |
| CN208798215U (en) | Microphone device and portable terminal | |
| US20200213753A1 (en) | Loudspeaker | |
| US20040202343A1 (en) | Speakerphone accessory assembly | |
| KR20190123992A (en) | Hybrid actuator | |
| CN107426365B (en) | Sound cavity structure and mobile phone with same | |
| CN210781329U (en) | Loudspeaker box | |
| CN214481253U (en) | Double-moving-coil micro loudspeaker | |
| CN217607962U (en) | Hollow loudspeaker | |
| CN102143667B (en) | Electronic device | |
| CN219068347U (en) | Acoustic device and mobile terminal | |
| CN114257919B (en) | Sound producing device and electronic equipment | |
| KR101045613B1 (en) | Micro speaker | |
| KR102167410B1 (en) | Hybrid actuator and multimedia apparatus having the same | |
| CN208241842U (en) | Earphone and electronic equipment | |
| KR102029076B1 (en) | Neckband speaker comprising microspeakr module with passive vibrator | |
| EP3644621A1 (en) | Active noise reduction loudspeaker component of headset | |
| CN219834359U (en) | Acoustic device | |
| CN114866915B (en) | Sounding module and terminal equipment | |
| CN215072931U (en) | Earphone set | |
| CN218103453U (en) | Electret static earphone structure and head-wearing earphone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |