CN105163253B - Magnetic circuit device for loudspeaker - Google Patents
Magnetic circuit device for loudspeaker Download PDFInfo
- Publication number
- CN105163253B CN105163253B CN201510639275.4A CN201510639275A CN105163253B CN 105163253 B CN105163253 B CN 105163253B CN 201510639275 A CN201510639275 A CN 201510639275A CN 105163253 B CN105163253 B CN 105163253B
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- short
- conducting sleeve
- circuited conducting
- loudspeaker
- magnetic circuit
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Abstract
The invention discloses a kind of magnetic circuit device for loudspeaker, and it includes T-shaped iron, magnet steel, anter, short-circuited conducting sleeve, and T-shaped iron includes transverse part and is vertically set on the vertical part of transverse part overcentre, and short-circuited conducting sleeve is embedded in the outer wall of vertical part.Disclosed herein as well is a kind of magnetic circuit device for loudspeaker, and it includes U-iron, magnet steel, anter, short-circuited conducting sleeve, and U-iron includes U-shaped portion and is arranged on the convex portion at the recess center of U-shaped portion, and short-circuited conducting sleeve is embedded in the inwall of U-shaped portion.The present invention be used for the magnetic circuit device of loudspeaker by T-shaped iron or U-iron plus short-circuited conducting sleeve, can solve inductance value with voice coil vibrations caused non-linear and symmetry, so as to reduce the harmonic distortion of low frequency part in loudspeaker, improve loudspeaker tonequality.
Description
Technical field
The present invention relates to a kind of magnetic circuit device for loudspeaker.
Background technology
For electrodynamic type cone loudspeaker, voice coil loudspeaker voice coil inductance can change with voice coil loudspeaker voice coil up-down vibration, when voice coil loudspeaker voice coil is toward magnetic
Inductance value can become big when being moved inside road, and toward inductance value can then diminish during motion outside magnetic circuit, so not only creating non-thread
Property, and it is asymmetric.The non-linear and asymmetry of voice coil loudspeaker voice coil inductance, the harmonic distortion of low frequency part in loudspeaker can be caused big.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of magnetic circuit device for loudspeaker, Neng Gouyou
Effect improves the non-linear and asymmetry of speaker inductor, improves the harmonic distortion of the middle low frequency of loudspeaker.
In order to reach object above, the technical solution adopted by the present invention is：A kind of magnetic circuit device for loudspeaker, it is wrapped
T-shaped iron, magnet steel, anter, short-circuited conducting sleeve are included, T-shaped iron includes transverse part and is vertically set on the vertical part of transverse part overcentre, and short-circuited conducting sleeve is embedding
Enter the outer wall of vertical part.
Further, the outer wall of short-circuited conducting sleeve and the outer wall of vertical part are equal.
Further, vertical part includes main part and end, and short-circuited conducting sleeve is set on the outer wall of main part, and end closely connects
In the top of main part and short-circuited conducting sleeve, the outer wall of short-circuited conducting sleeve is equal with the outer wall of end.
Further, the height of short-circuited conducting sleeve is less than or equal to the 4/5 of vertical part height, thickness >=0.2mm of short-circuited conducting sleeve.
Further, the metal or its alloy that the material use of short-circuited conducting sleeve can not be magnetized, preferably aluminium, copper, aluminium close
Gold or copper alloy.
The present invention also provides another technical solution：A kind of magnetic circuit device for loudspeaker, it include U-iron, magnet steel,
Anter, short-circuited conducting sleeve, U-iron include U-shaped portion and are arranged on the convex portion at the recess center of U-shaped portion, and short-circuited conducting sleeve is embedded in the interior of U-shaped portion
Wall.
Further, the inwall of short-circuited conducting sleeve and the inwall of U-shaped portion are equal.
Further, anter is close-coupled at the top of U-shaped portion and short-circuited conducting sleeve and the inwall of the inwall of anter and short-circuited conducting sleeve
It is equal.
Further, the height of short-circuited conducting sleeve is less than or equal to the 4/5 of U-shaped portion recess depth, and the thickness of short-circuited conducting sleeve >=
0.2mm。
Further, the metal or its alloy that the material use of short-circuited conducting sleeve can not be magnetized, preferably aluminium, copper, aluminium close
Gold or copper alloy.
Because using above-mentioned technical proposal, the present invention is used for the magnetic circuit device of loudspeaker by adding on T-shaped iron or U-iron
Short-circuited conducting sleeve, can solve inductance value with voice coil vibrations caused non-linear and symmetry, so as to reduce low frequency in loudspeaker
Partial harmonic distortion, improve loudspeaker tonequality.
Brief description of the drawings
Accompanying drawing 1 is the overlooking the structure diagram of the magnetic circuit device for loudspeaker in embodiment one；
Accompanying drawing 2 is the A-A cross-sectional views in accompanying drawing 1；
Accompanying drawing 3 is the overlooking the structure diagram of the magnetic circuit device for loudspeaker in embodiment two；
Accompanying drawing 4 is the B-B cross-sectional views in accompanying drawing 3.
In figure marked as：
1st, T-shaped iron；11st, transverse part；12nd, vertical part；121st, main part；122nd, end；
2nd, U-iron；21st, U-shaped portion；211st, recess；22nd, convex portion；23rd, a part；
3rd, short-circuited conducting sleeve；
4th, magnet steel；
5th, anter.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art.
Embodiment one
Structural representation from accompanying drawing 1 to accompanying drawing 2, which can be seen that, present embodiments provides a kind of magnetic circuit for loudspeaker
Device, it includes T-shaped iron 1, magnet steel 4, anter 5, short-circuited conducting sleeve 3.
T-shaped iron 1 includes transverse part 11 and is vertically set on the vertical part 12 of the overcentre of transverse part 11, and short-circuited conducting sleeve 3 is embedded in vertical part 12
Outer wall.The outer wall of short-circuited conducting sleeve 3 is equal with the outer wall of vertical part 12.
In the present embodiment as shown in Figure 2, vertical part 12 includes main part 121 and end 122, and short-circuited conducting sleeve 3 is set in master
On the outer wall in body portion 121, and the lower end of short-circuited conducting sleeve 3 is against on transverse part 11.End 122 is close-coupled at main part 121 and short circuit
The top of ring 3, the outer wall of short-circuited conducting sleeve 3 are equal with the outer wall of end 122.
The height of short-circuited conducting sleeve 3 is less than or equal to the 4/5 of the height of vertical part 12, thickness >=0.2mm of short-circuited conducting sleeve 3.
The metal or its alloy that the material use of short-circuited conducting sleeve 3 can not be magnetized, preferably aluminium, copper, aluminium alloy or copper close
Gold.
Magnet steel 4 is connected on transverse part 11, and anter 5 is connected on magnet steel 4.
This is used for the magnetic circuit device of loudspeaker by adding short-circuited conducting sleeve on T-shaped iron, can solve inductance value with voice coil vibrations
And caused non-linear and symmetry, so as to reduce the harmonic distortion of low frequency part in loudspeaker, improve loudspeaker tonequality.
Embodiment two
Structural representation from accompanying drawing 3 to accompanying drawing 4, which can be seen that, present embodiments provides a kind of magnetic circuit for loudspeaker
Device, it includes U-iron 2, magnet steel 4, anter 5, short-circuited conducting sleeve 3.
U-iron 2 includes U-shaped portion 21 and is arranged on the convex portion 22 at the center of recess 211 of U-shaped portion 21, and short-circuited conducting sleeve 3 is embedded in U
The inwall in shape portion 21.The inwall of short-circuited conducting sleeve 3 is equal with the inwall of U-shaped portion 21.
Anter 5 is close-coupled at the inwall phase of the inwall and short-circuited conducting sleeve 3 of the top of U-shaped portion 21 and short-circuited conducting sleeve 3 and anter 5
It is flat.There is certain distance between the lower end of short-circuited conducting sleeve 3 and the bottom surface of recess 211.
The height of short-circuited conducting sleeve 3 is less than or equal to the 4/5 of the depth of recess 211 of U-shaped portion 21, and the thickness of short-circuited conducting sleeve 3 >=
0.2mm。
The metal or its alloy that the material use of short-circuited conducting sleeve 3 can not be magnetized, preferably aluminium, copper, aluminium alloy or copper close
Gold.
Magnet steel 4 is connected on convex portion 22, and U-iron 2 is also included positioned at the part 23 being connected on magnet steel 4.
This is used for the magnetic circuit device of loudspeaker by adding short-circuited conducting sleeve on U-iron, can solve inductance value with voice coil vibrations
And caused non-linear and symmetry, so as to reduce the harmonic distortion of low frequency part in loudspeaker, improve loudspeaker tonequality.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.
Claims (5)
1. a kind of magnetic circuit device for loudspeaker, it includes T-shaped iron (1), magnet steel (4), anter (5), short-circuited conducting sleeve (3), described
T-shaped iron (1) include transverse part (11) and be vertically set on the vertical part (12) of the transverse part (11) overcentre, it is characterised in that：
The outer wall of the embedded vertical part (12) of described short-circuited conducting sleeve (3), described vertical part (12) include main part (121) and end
(122), described short-circuited conducting sleeve (3) is set on the outer wall of main part (121), and described end (122) are close-coupled at main body
Portion (121) and the top of short-circuited conducting sleeve (3), the outer wall of described short-circuited conducting sleeve (3) is equal with the outer wall of end (122), and described is short
Thickness >=0.2mm of road ring (3).
2. the magnetic circuit device according to claim 1 for loudspeaker, it is characterised in that：The height of described short-circuited conducting sleeve (3)
4/5 of degree less than or equal to vertical part (12) height.
3. a kind of magnetic circuit device for loudspeaker, it includes U-iron (2), magnet steel (4), anter (5), short-circuited conducting sleeve (3), described
U-iron (2) include U-shaped portion (21) and be arranged on the U-shaped portion (21) recess (211) center convex portion (22), its spy
Sign is：The inwall of the embedded U shapes portion (21) of described short-circuited conducting sleeve (3), described anter (5) are close-coupled at U-shaped portion
(21) and the inwall of the top of short-circuited conducting sleeve (3) and anter (5) is equal with the inwall of short-circuited conducting sleeve (3), the thickness of described short-circuited conducting sleeve (3)
Degree >=0.2mm.
4. the magnetic circuit device according to claim 3 for loudspeaker, it is characterised in that：The height of described short-circuited conducting sleeve (3)
4/5 of degree less than or equal to recess (211) depth of U-shaped portion (21).
5. the magnetic circuit device for loudspeaker according to claim 1 or 3, it is characterised in that：Described short-circuited conducting sleeve (3)
Material is aluminium, copper, aluminium alloy or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639275.4A CN105163253B (en) | 2015-09-30 | 2015-09-30 | Magnetic circuit device for loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639275.4A CN105163253B (en) | 2015-09-30 | 2015-09-30 | Magnetic circuit device for loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105163253A CN105163253A (en) | 2015-12-16 |
| CN105163253B true CN105163253B (en) | 2018-03-30 |
Family
ID=54803991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510639275.4A Active CN105163253B (en) | 2015-09-30 | 2015-09-30 | Magnetic circuit device for loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105163253B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3869823A4 (en) * | 2018-10-15 | 2022-07-20 | Suzhou Sonavox Electronics Co., Ltd. | Loudspeaker magnetic circuit system and loudspeaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107509147B (en) * | 2017-09-21 | 2023-12-12 | 惠州迪芬尼声学科技股份有限公司 | Loudspeaker magnetic circuit system with U-shaped short circuit ring |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202310081U (en) * | 2011-11-01 | 2012-07-04 | 北京七九七华音电子有限责任公司 | Voice coil and loudspeaker with same |
| CN204993836U (en) * | 2015-09-30 | 2016-01-20 | 苏州上声电子有限公司 | A magnetic circuit device for speaker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040105568A1 (en) * | 2002-12-03 | 2004-06-03 | Po-Hsiung Lee | Speaker with enhanced magnetic flux |
| CN104320745B (en) * | 2014-10-24 | 2018-06-05 | 歌尔股份有限公司 | Loud speaker |
-
2015
- 2015-09-30 CN CN201510639275.4A patent/CN105163253B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202310081U (en) * | 2011-11-01 | 2012-07-04 | 北京七九七华音电子有限责任公司 | Voice coil and loudspeaker with same |
| CN204993836U (en) * | 2015-09-30 | 2016-01-20 | 苏州上声电子有限公司 | A magnetic circuit device for speaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3869823A4 (en) * | 2018-10-15 | 2022-07-20 | Suzhou Sonavox Electronics Co., Ltd. | Loudspeaker magnetic circuit system and loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105163253A (en) | 2015-12-16 |
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Address after: 215133 Suzhou City, Xiangcheng District province science and Technology Park and the road No. 333, No. Applicant after: Suzhou Sonavox electronic Limited by Share Ltd Address before: 215133 Suzhou City, Xiangcheng District province science and Technology Park and the road No. 333, No. Applicant before: Shangsheng Electronic Co., Ltd., Suzhou |
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