CN205793281U - Speaker - Google Patents
Speaker Download PDFInfo
- Publication number
- CN205793281U CN205793281U CN201620453964.6U CN201620453964U CN205793281U CN 205793281 U CN205793281 U CN 205793281U CN 201620453964 U CN201620453964 U CN 201620453964U CN 205793281 U CN205793281 U CN 205793281U
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- CN
- China
- Prior art keywords
- loudspeaker
- shell
- voice coil
- fixing part
- magnetic
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- 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.)
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- 239000004744 fabric Substances 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
This utility model provides a kind of speaker, including shell and collecting magnetic circuit system in the enclosure；The dustcloth of loop configuration it is provided with between magnetic circuit system and the sidewall of shell；Wherein, dustcloth includes the main part of structure in curved surface, is positioned at outer peripheral first fixed part of main part, is positioned at the second fixed part of main part inward flange；First fixed part is fixing with the horizontal end face of the sidewall of shell to be connected, and the second fixed part is fixing with magnetic circuit system to be connected.Above-mentioned utility model is utilized can effectively to prevent extraneous foreign body from entering inside loudspeakers, it is ensured that speaker acoustical behavior is stable.
Description
Technical Field
The utility model relates to an acoustics technical field, more specifically relates to a speaker.
Background
A speaker plays an indispensable role in a sound reproduction system as a common electroacoustic transducer device for converting electric energy into acoustic energy. The loudspeaker is the weakest component in the sound reproduction system, and is the most important component for the sound reproduction effect. The loudspeaker has various types, and audio electric energy enables a cone or a diaphragm to vibrate and generate resonance with surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. Therefore, people can hear wonderful sound just with the appearance of the loudspeaker and the receiver.
At present, in the design process of a loudspeaker, a closed structure or an open structure can be designed between a shell of the loudspeaker and a magnetic circuit system; in the vibration process of the vibration system, the vibration airflow sound in the shell is larger, so that the poor listening is easy to cause; and the speaker of open type structure can lead to in the foreign matter gets into the gap between magnetic circuit and the shell, influences speaker acoustic performance stability, shortens the life of product.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a speaker to solve the problem that the structural manner between the housing and the magnetic circuit system of the present speaker is likely to cause adverse effects on the performance and the service life of the speaker.
The utility model provides a loudspeaker, which comprises a shell and a magnetic circuit system contained in the shell; dustproof cloth with an annular structure is arranged between the magnetic circuit system and the side wall of the shell; the dustproof cloth comprises a main body part in a curved surface structure, a first fixing part positioned on the outer edge of the main body part and a second fixing part positioned on the inner edge of the main body part; the first fixing part is fixedly connected with the horizontal end face of the side wall of the shell, and the second fixing part is fixedly connected with the magnetic circuit system.
In addition, preferably, the magnetic circuit system comprises a magnetic yoke with a U-shaped structure, and a lower magnet, a washer and an upper magnet which are sequentially accommodated in the magnetic yoke; the magnetic yoke comprises a bottom and a side wall vertical to the bottom, and the second fixing part is attached to the end face of the side wall.
In addition, the preferable scheme is that the device further comprises a vibration system; the vibration system comprises a corrugated rim fixedly connected with the shell, a composite basin positioned on the inner side of the corrugated rim, an elastic wave and a voice coil framework suspended in the shell through the elastic wave; magnetic gaps are formed among the side walls of the magnetic guide yoke, the lower magnet, the washer and the upper magnet, and the voice coil framework is suspended in the magnetic gaps.
In addition, the preferred scheme is that a horizontal boss is arranged on the inner side wall of the shell, and the first fixing part is fixedly connected with the horizontal boss.
In addition, the preferable scheme is that the first fixing part and the horizontal boss, and the second fixing part and the end face of the side wall are respectively fixed by gluing.
In addition, the preferred scheme is that the dustproof cloth avoiding vibration system is arranged, and the curved surface of the main body part is bent towards the side far away from the elastic wave.
In addition, the preferable scheme is that the voice coil loudspeaker further comprises a support frame used for connecting the voice coil framework and the dust cover; the outward flange and the shell of bullet ripples are fixed, and the inward flange is fixed with the support frame, and the voice coil loudspeaker voice coil skeleton hangs through the bullet ripples and establishes in the shell.
In addition, the preferable scheme is that the joint of the composite basin, the support frame and the dust cover forms a triangular structure.
In addition, the preferred scheme is that the loudspeaker also comprises an electric connector which is fixed on the shell and is used for connecting an internal circuit and an external circuit of the loudspeaker; the voice coil wire is wound on the voice coil framework and is communicated with the electric connecting piece.
In addition, the preferable scheme is that the device also comprises a short circuit ring; an avoiding structure corresponding to the short circuit ring is arranged on the washer, and the short circuit ring is fixed in the avoiding structure.
According to the technical scheme provided by the utility model, the utility model discloses a speaker sets up the dustproof cloth of loop configuration between the lateral wall of magnetic circuit and shell, not only can solve the problem that the air current sound is too big to cause in the closed structure, can reduce the risk that the speaker got into the foreign matter among the open structure simultaneously, reduces the bad product of listening, ensures that speaker acoustic performance is stable.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a cross-sectional view of a speaker according to an embodiment of the present invention;
Fig. 2 is a schematic structural view of a dustproof cloth according to an embodiment of the present invention;
fig. 3 is a front view of the dustproof cloth according to the embodiment of the present invention.
Wherein the reference numerals include: the composite basin comprises a composite basin 1, a dust cover 2, a support frame 3, a voice coil 4, a damper 5, a corrugated ring 6, a shell 7, a magnetic yoke 8, a lower magnet 9, a washer 10, an upper magnet 11, dustproof cloth 12, a main body part 121, a first fixing part 123 and a second fixing part 122.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
For describing the speaker structure of the embodiment of the present invention in detail, the following will describe the embodiment of the present invention in detail with reference to the accompanying drawings.
Fig. 1 shows a cross-sectional structure of a loudspeaker according to an embodiment of the invention; fig. 2 and 3 show the dustproof cloth structure according to the embodiment of the present invention from different angles, respectively.
As shown in fig. 1 to 3, the speaker according to the embodiment of the present invention includes a housing 7 and a magnetic circuit system accommodated in the housing 7; a dustproof cloth 12 with an annular structure is arranged between the magnetic circuit system and the side wall of the shell 7; the dustproof cloth 12 comprises a body part 121 with a curved surface structure, a first fixing part 123 positioned on the outer edge of the body part 121, and a second fixing part 122 positioned on the inner edge of the body part 121; when the dustproof cloth 12 is fixed to the opening between the magnetic circuit system and the housing 7, the first fixing portion 123 is fixedly connected to the horizontal end face of the side wall of the housing 7, and the second fixing portion 122 is fixedly connected to the magnetic circuit system, so that the internal components of the speaker are isolated from the external environment.
The magnetic circuit system further comprises a magnetic yoke 8 with a U-shaped cross section, and a lower magnet 9, a washer 10 and an upper magnet 11 which are sequentially accommodated in the magnetic yoke 8; the magnetic conductive yoke 8 includes a bottom and a side wall perpendicular to the bottom, the magnetic conductive yoke 8 is accommodated in the housing 7, an opening structure is provided between the side wall of the magnetic conductive yoke 8 and the housing 7, the first fixing portion 123 of the dustproof cloth 12 is fixed to a horizontal end surface of the side wall of the housing 7, and the second fixing portion 122 is attached to an end surface of the side wall.
In one embodiment of the present invention, the speaker further comprises a vibration system housed within the housing 7; the vibration system comprises a folding ring 6 fixedly connected with the shell 7, a composite basin 1 positioned on the inner side of the folding ring 6, an elastic wave 5 and a voice coil framework arranged in the shell 7 in a suspended mode through the elastic wave 5, magnetic gaps are formed between the side wall of the magnetic yoke 8 and the lower magnet 9, between the washer 10 and the upper magnet 11, and the voice coil framework is arranged in the magnetic gaps in a suspended mode. The winding has the voice coil loudspeaker voice coil lead wire on the voice coil loudspeaker voice coil skeleton, and the voice coil loudspeaker voice coil lead wire forms voice coil loudspeaker voice coil 4 with the voice coil loudspeaker voice coil skeleton jointly, and when letting in alternating current signal to the voice coil loudspeaker voice coil lead wire, voice coil loudspeaker voice coil 4 can receive the lorentz power and vibrate from top to bottom, drives compound basin 1 simultaneously, rolls over ring 6 and dust cover 2 vibration sound production.
Specifically, a horizontal boss is arranged on the inner side wall of the housing 7, and the first fixing portion 123 is fixedly connected with the horizontal boss; the first fixing portion 123 and the horizontal boss, and the second fixing portion 122 and the end face of the sidewall may be fixed by glue. In order to ensure a sufficient vibration space of the speaker, the dust cloth 12 is provided in a manner avoiding the vibration system, and the first fixing portion 123 and the second fixing portion 122 may not be located in the same horizontal plane, and the curved surface of the main body portion 121 may be bent to a side away from the damper 5.
In another embodiment of the present invention, the speaker further comprises an electrical connector fixed on the housing 7 for connecting the external circuit inside the speaker and a support frame 3 for connecting the voice coil bobbin with the dust cover 2, the outer edge of the damper 5 is fixed with the housing 7, the inner edge is fixed with the support frame 3, and the voice coil bobbin is suspended in the housing 7 through the damper 5; two ends of the voice coil lead are respectively communicated with the electric connecting pieces, and the conduction of the voice coil 4 and an external circuit is realized through the electric connecting pieces. Wherein, in order to ensure the bonding strength between the dust cover 2 and the composite basin 1, the joint of the composite basin 1, the support frame 3 and the dust cover 2 forms a triangular structure.
Specifically, magnetic yoke 8 is circular basin column structure, including bottom and the lateral wall that sets up perpendicularly with the bottom, paste at magnetic yoke 8's central point and be equipped with down magnet 9, the subsides of magnet 9 keeping away from magnetic yoke 8 one side down are equipped with china department 10, paste of magnet 9 one side is equipped with magnet 11 under keeping away from in china department 10, go up and form the magnetic gap between magnet 11, lower magnet 9 and the china department 10 between the two and the lateral wall of magnetic yoke 8, voice coil loudspeaker voice coil 4 hangs through elastic wave 5 and establishes in this magnetic gap. The axes of the housing 7, the dust cover 2, the magnetic circuit system and the vibration system are all located on the same straight line, and the straight line is parallel to the Z axis of the loudspeaker.
In addition, in order to further improve the acoustic performance of the loudspeaker, a short-circuit ring may also be provided in the magnetic circuit system. Specifically, an avoiding structure corresponding to the short circuit ring is arranged on the washer 10, the short circuit ring is fixed in the avoiding structure, and the influence of the induced current of the voice coil on the magnetic field in the loudspeaker is counteracted through the short circuit ring.
Can find out through above-mentioned embodiment, the utility model provides a speaker synthesizes the good protection in the gap between closed structure's speaker to magnetic circuit and the shell and open type structure to the improvement of speaker acoustic performance, sets up porous dustproof cloth between magnetic circuit and shell, avoids the inside air current of speaker too big, can prevent simultaneously that external foreign matter from entering into inside the speaker, ensures the tone quality and the qualification rate of speaker, and the structure letter is answered, application scope is wide.
The loudspeaker according to the present invention has been described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the loudspeaker of the present invention described above without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (10)
1. A loudspeaker comprises a shell and a magnetic circuit system contained in the shell; the dustproof magnetic circuit is characterized in that dustproof cloth with an annular structure is arranged between the magnetic circuit system and the side wall of the shell; wherein,
the dustproof cloth comprises a main body part in a curved surface structure, a first fixing part positioned on the outer edge of the main body part and a second fixing part positioned on the inner edge of the main body part;
the first fixing part is fixedly connected with the horizontal end face of the side wall of the shell, and the second fixing part is fixedly connected with the magnetic circuit system.
2. The loudspeaker of claim 1,
the magnetic circuit system comprises a magnetic yoke with a U-shaped structure, and a lower magnet, a washer and an upper magnet which are sequentially accommodated in the magnetic yoke;
the magnetic yoke comprises a bottom and a side wall vertical to the bottom, and the second fixing part is attached to the end face of the side wall.
3. The loudspeaker of claim 2, further comprising a vibration system; wherein,
the vibration system comprises a corrugated ring fixedly connected with the shell, a composite basin positioned on the inner side of the corrugated ring, an elastic wave and a voice coil framework suspended in the shell through the elastic wave;
Magnetic gaps are formed among the side walls of the magnetic yoke, the lower magnet, the washer and the upper magnet, and the voice coil framework is suspended in the magnetic gaps.
4. The loudspeaker of claim 3,
the inner side wall of the shell is provided with a horizontal boss, and the first fixing part is fixedly connected with the horizontal boss.
5. The loudspeaker of claim 4,
the first fixing part and the horizontal boss, the second fixing part and the end face of the side wall are respectively fixed through glue in a bonding mode.
6. The loudspeaker of claim 3,
the dustproof cloth is arranged in the vibration system, and the curved surface of the main body part is bent towards one side far away from the elastic wave.
7. The loudspeaker of claim 3,
the voice coil framework is connected with the dust cover through a support frame;
the outer edge of the elastic wave is fixed with the shell, the inner edge of the elastic wave is fixed with the support frame, and the voice coil framework is suspended in the shell through the elastic wave.
8. The loudspeaker of claim 7,
the combination of the composite basin, the support frame and the dust cover forms a triangular structure.
9. The loudspeaker of claim 3,
the loudspeaker also comprises an electric connector which is fixed on the shell and is used for connecting an internal circuit and an external circuit of the loudspeaker;
and a voice coil wire is wound on the voice coil framework and is communicated with the electric connecting piece.
10. The loudspeaker of claim 2, further comprising a shorting ring;
and the washer is provided with an avoidance structure corresponding to the short circuit ring, and the short circuit ring is fixed in the avoidance structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453964.6U CN205793281U (en) | 2016-05-17 | 2016-05-17 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453964.6U CN205793281U (en) | 2016-05-17 | 2016-05-17 | Speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205793281U true CN205793281U (en) | 2016-12-07 |
Family
ID=58120027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620453964.6U Active CN205793281U (en) | 2016-05-17 | 2016-05-17 | Speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205793281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820182A (en) * | 2017-12-22 | 2018-03-20 | 奥音科技（镇江）有限公司 | A kind of loudspeaker installing structure of high stability |
| CN107995573A (en) * | 2017-12-27 | 2018-05-04 | 歌尔丹拿音响有限公司 | A kind of loudspeaker |
-
2016
- 2016-05-17 CN CN201620453964.6U patent/CN205793281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820182A (en) * | 2017-12-22 | 2018-03-20 | 奥音科技（镇江）有限公司 | A kind of loudspeaker installing structure of high stability |
| CN107995573A (en) * | 2017-12-27 | 2018-05-04 | 歌尔丹拿音响有限公司 | A kind of loudspeaker |
| CN107995573B (en) * | 2017-12-27 | 2024-03-19 | 潍坊歌尔丹拿电子科技有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190424 Address after: 266100 Room 308, Beizhai Street Investment Service Center, Laoshan District, Qingdao City, Shandong Province Patentee after: GEER TECHNOLOGY CO., LTD. Address before: 261031 Die Building of North Seoul Electroacoustic Park, Dongfang Road, Weifang High-tech Zone, Shandong Province Patentee before: Goertek Dynaudio Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210618 Address after: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee after: GOERTEK Inc. Address before: 266100 Room 308, Beizhai Street Investment Service Center, Laoshan District, Qingdao City, Shandong Province Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210716 Address after: 261031 Weian Road, Ligu community, Qingchi street, high tech Zone, Weifang City, Shandong Province Patentee after: Weifang geldanna Electronic Technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK Inc. |
|
| TR01 | Transfer of patent right |