CN204993836U - A magnetic circuit device for speaker - Google Patents
A magnetic circuit device for speaker Download PDFInfo
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- CN204993836U CN204993836U CN201520769342.XU CN201520769342U CN204993836U CN 204993836 U CN204993836 U CN 204993836U CN 201520769342 U CN201520769342 U CN 201520769342U CN 204993836 U CN204993836 U CN 204993836U
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- conducting sleeve
- short
- circuited conducting
- magnetic circuit
- circuit device
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Abstract
The utility model discloses a magnetic circuit device for speaker, it includes T shape iron, magnet steel, anter, short circuit ring, and T shape iron includes transverse part and the perpendicular perpendicular portion that sets up in transverse part center top, and the short circuit ring imbeds the outer wall of vertical stroke portion. This application still discloses a magnetic circuit device for speaker, and it includes U -iron, magnet steel, anter, short circuit ring, and the U -iron includes U -shaped portion and set up the central convex part of recess in U -shaped portion that the short circuit ring imbeds the inner wall of U -shaped portion. The utility model discloses a magnetic circuit device for speaker can solve nonlinearity and symmetry that the inductance value produced along with the voice coil loudspeaker voice coil vibration through add the short circuit ring on T shape iron or U -iron to the harmonic distortion of low frequency part in the speaker can be reduced, speaker tone quality is improved.
Description
Technical field
The utility model relates to a kind of magnetic circuit device for loud speaker.
Background technology
For electrodynamic type cone loud speaker, voice coil loudspeaker voice coil inductance can change along with voice coil loudspeaker voice coil up-down vibration, and when voice coil loudspeaker voice coil moves inside magnetic circuit, inductance value can become large, and when moving outside magnetic circuit, inductance value then can diminish, so not only create non-linear, and also asymmetric.Non-linear and the asymmetry of voice coil loudspeaker voice coil inductance, can cause the harmonic distortion of loud speaker medium and low frequency part large.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of magnetic circuit device for loud speaker, can effectively improve the non-linear of speaker inductor and asymmetry, improve the harmonic distortion of the medium and low frequency of loud speaker.
In order to reach above object, the technical solution adopted in the utility model is: a kind of magnetic circuit device for loud speaker, it comprises T-shaped iron, magnet steel, anter, short-circuited conducting sleeve, and T-shaped iron comprises transverse part and is vertically set on the vertical part of transverse part overcentre, and short-circuited conducting sleeve embeds the outer wall of vertical part.
Further, the outer wall of short-circuited conducting sleeve and the outer wall of vertical part equal.
Further, vertical part comprises main part and end, and short-circuited conducting sleeve is set on the outer wall of main part, and end is close-coupled at the top of main part and short-circuited conducting sleeve, and 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 4/5 of vertical part height, the thickness >=0.2mm of short-circuited conducting sleeve.
Further, the material of short-circuited conducting sleeve adopts the metal or its alloy that can not be magnetized, and is preferably aluminium, copper, aluminium alloy or copper alloy.
The utility model also provides another kind of technical scheme: a kind of magnetic circuit device for loud speaker, and it comprises U-iron, magnet steel, anter, short-circuited conducting sleeve, and U-iron comprises U-shaped portion and is arranged on the protuberance at recess center of U-shaped portion, and short-circuited conducting sleeve embeds the inwall of U-shaped portion.
Further, the inwall of short-circuited conducting sleeve and the inwall of U-shaped portion equal.
Further, anter is close-coupled at U-shaped portion with the top of short-circuited conducting sleeve and the inwall of anter is equal with the inwall of short-circuited conducting sleeve.
Further, the height of short-circuited conducting sleeve is less than or equal to 4/5 of the U-shaped portion recess degree of depth, the thickness >=0.2mm of short-circuited conducting sleeve.
Further, the material of short-circuited conducting sleeve adopts the metal or its alloy that can not be magnetized, and is preferably aluminium, copper, aluminium alloy or copper alloy.
Owing to adopting technique scheme, the utility model passes through to add short-circuited conducting sleeve on T-shaped iron or U-iron for the magnetic circuit device of loud speaker, non-linear and the symmetry that inductance value produces with voice coil vibrations can be solved, thus the harmonic distortion of loud speaker medium and low frequency part can be reduced, improve loud speaker tonequality.
Accompanying drawing explanation
Accompanying drawing 1 is the plan structure schematic diagram of the magnetic circuit device for loud speaker in embodiment one;
Accompanying drawing 2 is the A-A cross-sectional view in accompanying drawing 1;
Accompanying drawing 3 is the plan structure schematic diagram of the magnetic circuit device for loud speaker in embodiment two;
Accompanying drawing 4 be in accompanying drawing 3 B-B cross-sectional view.
Number in the figure is:
1, T-shaped iron; 11, transverse part; 12, vertical part; 121, main part; 122, end;
2, U-iron; 21, U-shaped portion; 211, recess; 22, protuberance; 23, parts;
3, short-circuited conducting sleeve;
4, magnet steel;
5, anter.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, can be easier to be readily appreciated by one skilled in the art to make advantage of the present utility model and feature.
Embodiment one
As can be seen from the structural representation of accompanying drawing 1 to accompanying drawing 2, present embodiments provide a kind of magnetic circuit device for loud speaker, it comprises T-shaped iron 1, magnet steel 4, anter 5, short-circuited conducting sleeve 3.
T-shaped iron 1 comprises transverse part 11 and is vertically set on the vertical part 12 of transverse part 11 overcentre, and short-circuited conducting sleeve 3 embeds the outer wall of vertical part 12.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 comprises main part 121 and end 122, and short-circuited conducting sleeve 3 is set on the outer wall of main part 121, and the lower end of short-circuited conducting sleeve 3 is against on transverse part 11.End 122 is close-coupled at the top of main part 121 and short-circuited conducting sleeve 3, and the outer wall of short-circuited conducting sleeve 3 is equal with the outer wall of end 122.
The height of short-circuited conducting sleeve 3 is less than or equal to 4/5, the thickness >=0.2mm of short-circuited conducting sleeve 3 of vertical part 12 height.
The material of short-circuited conducting sleeve 3 adopts the metal or its alloy that can not be magnetized, and is preferably aluminium, copper, aluminium alloy or copper alloy.
Magnet steel 4 is connected on transverse part 11, and anter 5 is connected on magnet steel 4.
This magnetic circuit device for loud speaker, by adding short-circuited conducting sleeve on T-shaped iron, can solve the non-linear and symmetry that inductance value produces with voice coil vibrations, thus can reduce the harmonic distortion of loud speaker medium and low frequency part, improve loud speaker tonequality.
Embodiment two
As can be seen from the structural representation of accompanying drawing 3 to accompanying drawing 4, present embodiments provide a kind of magnetic circuit device for loud speaker, it comprises U-iron 2, magnet steel 4, anter 5, short-circuited conducting sleeve 3.
U-iron 2 comprises U-shaped portion 21 and is arranged on the protuberance 22 at recess 211 center of U-shaped portion 21, and short-circuited conducting sleeve 3 embeds the inwall of U-shaped 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 top of U-shaped portion 21 and short-circuited conducting sleeve 3 and the inwall of anter 5 is equal with the inwall of short-circuited conducting sleeve 3.Between the lower end of short-circuited conducting sleeve 3 and the bottom surface of recess 211, there is certain distance.
The height of short-circuited conducting sleeve 3 is less than or equal to 4/5 of recess 211 degree of depth of U-shaped portion 21, the thickness >=0.2mm of short-circuited conducting sleeve 3.
The material of short-circuited conducting sleeve 3 adopts the metal or its alloy that can not be magnetized, and is preferably aluminium, copper, aluminium alloy or copper alloy.
Magnet steel 4 is connected on protuberance 22, and U-iron 2 also comprises the parts 23 being positioned at and being connected on magnet steel 4.
This magnetic circuit device for loud speaker, by adding short-circuited conducting sleeve on U-iron, can solve the non-linear and symmetry that inductance value produces with voice coil vibrations, thus can reduce the harmonic distortion of loud speaker medium and low frequency part, improve loud speaker tonequality.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (10)
1.
a kind of magnetic circuit device for loud speaker, it comprises T-shaped iron (1), magnet steel (4), anter (5), short-circuited conducting sleeve (3), described T-shaped iron (1) comprises transverse part (11) and is vertically set on the vertical part (12) of described transverse part (11) overcentre, it is characterized in that: described short-circuited conducting sleeve (3) embeds the outer wall of described vertical part (12).
2.
magnetic circuit device for loud speaker according to claim 1, is characterized in that: the outer wall of described short-circuited conducting sleeve (3) is equal with the outer wall of vertical part (12).
3.
magnetic circuit device for loud speaker according to claim 1, it is characterized in that: described vertical part (12) comprises main part (121) and end (122), described short-circuited conducting sleeve (3) is set on the outer wall of main part (121), described end (122) is close-coupled at the top of main part (121) and short-circuited conducting sleeve (3), and the outer wall of described short-circuited conducting sleeve (3) is equal with the outer wall of end (122).
4.
magnetic circuit device for loud speaker according to claim 1, is characterized in that: the height of described short-circuited conducting sleeve (3) is less than or equal to 4/5 of vertical part (12) height.
5.
a kind of magnetic circuit device for loud speaker, it comprises U-iron (2), magnet steel (4), anter (5), short-circuited conducting sleeve (3), described U-iron (2) comprises U-shaped portion (21) and is arranged on the protuberance (22) at recess (211) center of described U-shaped portion (21), it is characterized in that: described short-circuited conducting sleeve (3) embeds the inwall of described U-shaped portion (21).
6.
magnetic circuit device for loud speaker according to claim 5, is characterized in that: the inwall of described short-circuited conducting sleeve (3) is equal with the inwall of U-shaped portion (21).
7.
magnetic circuit device for loud speaker according to claim 6, is characterized in that: described anter (5) is close-coupled at the top of U-shaped portion (21) and short-circuited conducting sleeve (3) and the inwall of anter (5) is equal with the inwall of short-circuited conducting sleeve (3).
8.
magnetic circuit device for loud speaker according to claim 6, is characterized in that: the height of described short-circuited conducting sleeve (3) is less than or equal to 4/5 of recess (211) degree of depth of U-shaped portion (21).
9.
according to claim 1 or 5 for the magnetic circuit device of loud speaker, it is characterized in that: the thickness>=0.2mm of described short-circuited conducting sleeve (3).
10.
according to claim 1 or 5 for the magnetic circuit device of loud speaker, it is characterized in that: the material of described short-circuited conducting sleeve (3) is aluminium, copper, aluminium alloy or copper alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769342.XU CN204993836U (en) | 2015-09-30 | 2015-09-30 | A magnetic circuit device for speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769342.XU CN204993836U (en) | 2015-09-30 | 2015-09-30 | A magnetic circuit device for speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993836U true CN204993836U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520769342.XU Active CN204993836U (en) | 2015-09-30 | 2015-09-30 | A magnetic circuit device for speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163253A (en) * | 2015-09-30 | 2015-12-16 | 苏州上声电子有限公司 | Magnetic circuit device for loudspeaker |
-
2015
- 2015-09-30 CN CN201520769342.XU patent/CN204993836U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163253A (en) * | 2015-09-30 | 2015-12-16 | 苏州上声电子有限公司 | Magnetic circuit device for loudspeaker |
| CN105163253B (en) * | 2015-09-30 | 2018-03-30 | 苏州上声电子股份有限公司 | Magnetic circuit device for loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215133 Suzhou City, Xiangcheng District province science and Technology Park and the road No. 333, No. Patentee 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. Patentee before: Shangsheng Electronic Co., Ltd., Suzhou |
|
| CP01 | Change in the name or title of a patent holder |