CN209419836U - A kind of magnetic structure and loudspeaker improving loudspeaker performance - Google Patents
A kind of magnetic structure and loudspeaker improving loudspeaker performance Download PDFInfo
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- CN209419836U CN209419836U CN201822203342.XU CN201822203342U CN209419836U CN 209419836 U CN209419836 U CN 209419836U CN 201822203342 U CN201822203342 U CN 201822203342U CN 209419836 U CN209419836 U CN 209419836U
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- magnet steel
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- washer
- loudspeaker
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Abstract
The embodiment of the present application belongs to speaker technology field, is related to a kind of magnetic structure and loudspeaker for improving loudspeaker performance.The technical scheme provided by the application includes T iron, magnet steel, washer, coil and annulus；The magnet steel, washer and annulus are sequentially overlapped from bottom to up to be set in the T iron；The coil is sheathed in the T iron, and with the magnet steel, gap is formed between washer and annulus, the T iron includes transverse part and is vertically arranged at the supercentral vertical part of bottom plate, the magnet steel, washer and annulus are superposed on the transverse part, and the magnet steel, washer and annulus are surrounded on the vertical part periphery, the coil is sheathed on the vertical part, increase annulus on washer, equivalent to increase a secondary coil, counteract partial inductance, it can effectively eliminate influence of the induction reactance to coil, promote loudspeaker radiated, improve the radiation of high frequency, to make bandwidth be extended.
Description
Technical field
This application involves speaker technology fields, more specifically, in particular to a kind of magnetic circuit for improving loudspeaker performance
Structure and loudspeaker.
Background technique
Modern electronic technology has evolved to quite high level in recent years, to the terminal of stereo set --- loudspeaker
Characteristic requirements are also higher and higher.Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, and the performance of loudspeaker is excellent
The bad influence to sound quality is very big, and loudspeaker is a most weak device in stereo set, and for acoustics, it
It is a most important component again.When speaker operation, audio electric energy generates piezoelectricity or electrostatic effect, makes its paper by electromagnetism
Basin or diaphragm vibration simultaneously generate resonance (sympathetic response) with the air of surrounding and make a sound.
In order to enable loudspeaker to obtain broader frequency range, research staff goes to adjust using different methods.It is conventional
The magnetic structure of loudspeaker, in high-frequency range, the electrical impedance of loudspeaker dull rising with the increase of frequency, in loudspeaker
In the case that level pressure inputs, electrical power consumed by loudspeaker can be reduced with the increase of frequency, and result will lead to loudspeaker
The reduction of radiated influences the playback of high frequency.
Utility model content
The purpose of this utility model is to provide a kind of magnetic structures and loudspeaker for improving loudspeaker performance, counteract portion
Divide inductance, can effectively eliminate influence of the induction reactance to coil, promotes loudspeaker radiated, improve the radiation of high frequency, thus
Extend bandwidth.
In order to solve posed problems above, the utility model embodiment provides technical solution as described below:
A kind of magnetic structure improving loudspeaker performance,
Including T iron, magnet steel, washer, coil and annulus；
The magnet steel, washer and annulus are sequentially overlapped from bottom to up to be set in the T iron；
The coil is sheathed in the T iron, and forms gap between the magnet steel, washer and annulus.
Further, the annulus is made of aluminum or copper.
Further, the T iron includes transverse part and is vertically arranged at the supercentral vertical part of bottom plate.
Further, the magnet steel, washer and annulus are superposed on the transverse part, and the magnet steel, washer and
Annulus is surrounded on the vertical part periphery, and the coil is sheathed on the vertical part.
Further, the washer is flushed with the inner wall of annulus.
Further, the height of the annulus is the 1/8-1/4 of coil height.
Further, the magnet steel is circular or side is cyclic annular.
Further, the transverse part two sides are equipped with the first secondary magnet steel, and the described first secondary magnet steel fits in the bottom of magnet steel.
Further, the transverse part bottom is equipped with the second secondary magnet steel.
In order to solve technical problem presented above, the utility model embodiment additionally provides a kind of loudspeaker, including such as
The magnetic structure of the upper improvement loudspeaker performance.
Compared with prior art, the utility model embodiment mainly has beneficial to lower effect:
A kind of magnetic structure and loudspeaker improving loudspeaker performance, increases annulus, equivalent to increase a on washer
Secondary coil counteracts partial inductance, can effectively eliminate influence of the induction reactance to coil, promotes loudspeaker radiated, changes
The radiation of kind high frequency, so that bandwidth be made to be extended.
Detailed description of the invention
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the embodiment of the utility model
Make a simple introduction, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for improving the magnetic structure of loudspeaker performance in the utility model embodiment one；
Fig. 2 is the structural schematic diagram for improving the magnetic structure of loudspeaker performance in the utility model embodiment two；
Fig. 3 is the structural schematic diagram for improving the magnetic structure of loudspeaker performance in the utility model embodiment three.
Description of symbols:
1, T iron；2, magnet steel；3, washer；4, annulus；5, coil；6, the first secondary magnet steel；7, the second secondary magnet steel.
Specific embodiment
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.The specification and right of the utility model are wanted
Seek the term " includes " and " having " and their any deformation in book and above-mentioned Detailed description of the invention, it is intended that covering is not exclusively
Include.The specification and claims of the utility model or term " first " in above-mentioned attached drawing, " second " etc. are to be used for
Different objects are distinguished, are not use to describe a particular order.
In the description of utility model, it is to be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the present invention
Limitation.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
The embodiment of the present application provides a kind of magnetic structure for improving loudspeaker performance,
Including T iron, magnet steel, washer, coil and annulus；
The magnet steel, washer and annulus are sequentially overlapped from bottom to up to be set in the T iron；
The coil is sheathed in the T iron, and forms gap between the magnet steel, washer and annulus.
Washer and T iron, magnet steel constitute magnetic circuit, and washer and T iron form magnetic gap, provide uniform magnetic required for coil movement
, increase annulus on washer, equivalent to increase a secondary coil, counteracts partial inductance, can effectively eliminate induction reactance pair
The influence of coil promotes loudspeaker radiated, improves the radiation of high frequency, so that bandwidth be made to be extended.
Based on the magnetic structure of above-mentioned improvement loudspeaker performance, the embodiment of the present application also provides a kind of loudspeaker, including
The magnetic structure as described above for improving loudspeaker performance.
The magnetic structure for improving loudspeaker performance is set, promotes loudspeaker radiated, improves the radiation of high frequency, from
And extend the bandwidth of loudspeaker.
In order to make those skilled in the art more fully understand the utility model, below with reference to relevant drawings, to this
Technical solution in utility model embodiment is clearly and completely described.
The application improves the embodiment one of the magnetic structure of loudspeaker performance
A kind of magnetic structure improving loudspeaker performance, as shown in Figure 1,
Including T iron 1, magnet steel 2, washer 3, coil 5 and annulus 4；
The magnet steel 2, washer 3 and annulus 4 are sequentially overlapped from bottom to up to be set in the T iron 1；
The coil 5 is sheathed in the T iron 1, and forms gap between the magnet steel 2, washer 3 and annulus 4.
Washer 3 and T iron 1, magnet steel 2 constitute magnetic circuit, and washer 3 and T iron 1 form magnetic gap, provide required for coil 5 moves
Uniform magnetic field increases annulus 4 on washer 3 and counteracts partial inductance equivalent to increase a secondary coil 5, can effectively eliminate
Influence of the induction reactance to coil 5 promotes loudspeaker radiated, improves the radiation of high frequency, so that bandwidth be made to be extended.
The annulus 4 is made of aluminum or copper, and annulus 4 is made of the metal that can not be magnetized, preferably aluminium, copper, this
In utility model embodiment, the annulus 4 is copper ring.
The T iron 1 includes transverse part and is vertically arranged at the supercentral vertical part of bottom plate, and transverse part and vertical part are circle, T iron 1
Cross section be in inverted T font, vertical part is solid shape in the utility model, and vertical part can be set to hollow in other embodiments
Shape is conducive to radiate, but the case where can bring leakage field.
Pedestal of the T iron 1 as loudspeaker, is part more important in loudspeaker, and the height of quality directly influences
The sound quality of loudspeaker, the raw material of T iron 1 mainly consider phosphorus content height, and the factors such as plasticity quality, phosphorus content is higher to will affect sound
Matter.
In the utility model embodiment, T iron 1 is made of pure iron, and in loudspeaker, the main function of T iron 1 is exactly to be powered
In the case where magnetic conduction, but it does not have remanent magnetism.Magnetic field disappears after loudspeaker power-off, its magnetism also disappears immediately.Therefore, T iron 1
Purity will have a direct impact on the working efficiency of voice unit (VU) and some important parameters of non-linear distortion.It is related to T iron 1
Be washer 3, the two is the building block of loudspeaker jointly.The gap of the vertical part of washer 3 and T iron 1 is smaller, and coil 5 moves institute
For the power needed with regard to smaller, the efficiency of voice unit (VU) is higher.
The effect of washer 3 is magnetic conduction, so also known as magnetic conductive board, washer 3 is made of the very low mild steel of phosphorus content, to reduce
Magnetic resistance, washer 3 and T iron 1, magnet steel 2 constitute magnetic circuit, and the vertical part of washer 3 and T iron 1 forms magnetic gap, provide needed for coil 5 moves
The uniform magnetic field wanted.The thickness and coil 5 of washer 3 determine the size of the bass distortion of loudspeaker around wide cooperation, and washer 3 mentions
Uniform magnetic field is supplied, so that loudspeaker obtains higher sensitivity and lower distortion.
The protrusion to raise upward is provided on the transverse part of T iron 1, positioning when being easily installed magnet steel 2, the magnet steel 2, washer
3 and annulus 4 be superposed on the transverse part, magnet steel 2 is fixedly installed on transverse part upper end, and washer 3 is fixedly installed on magnet steel 2
End, annulus 4 is fixedly installed on 3 upper end of washer, and the magnet steel 2, washer 3 and annulus 4 are surrounded on the vertical part periphery, described
Coil 5 is sheathed on the vertical part, and there are gaps between the coil 5 and the magnet steel 2, washer 3 and annulus 4.
The washer 3 is flushed with the inner wall of annulus 4, the gap of washer 3, annulus 4 and coil 5, is less than magnet steel 2 and coil 5
Gap.
The height of the annulus 4 is that the 1/8-1/4 of 5 height of coil can effectively disappear equivalent to increase a secondary coil 5
Influence except induction reactance to coil 5 promotes loudspeaker radiated, improves the radiation of high frequency.
The magnet steel 2 is circular or side is cyclic annular, and magnet steel 2 is closed by several hard strong metals, such as iron and aluminium, nickel, cobalt
It is main magnetic energy supplier at, magnet steel 2, magnet steel 2 and T iron 1, washer 3 are collectively formed magnetic circuit, in the utility model embodiment,
Magnet steel 2 can be annular shape, or side is cyclic annular, and it is preferable that annulus and square ring increase flux effects, may be used also in other embodiments
For any other polygonal ring shape in addition to quadrangle.
The application improves the embodiment two of the magnetic structure of loudspeaker performance
As shown in Fig. 2, the magnetic structure that the application improves loudspeaker performance further comprises the first secondary magnet steel 6, described the
One secondary magnet steel 6 is set to transverse part two sides, and the described first secondary magnet steel 6 fits in the bottom of magnet steel 2.
The first secondary magnet steel 6 is circular or side is cyclic annular, and in the utility model embodiment, the first secondary magnet steel 6 can be with
Cyclic annular for annular shape, or side, the cyclic annular flux effects that increase in circular and side are preferable, in other embodiments, the first secondary magnetic
Steel 6 can be also any other polygonal ring shape in addition to quadrangle.
The setting of first secondary magnet steel 6, improves the magnetic flux of magnetic circuit, reduces the magnetic flux leakage of magnetic structure, raising is raised
The magnetic force value performance of sound device also solves the problems, such as that traditional magnetic structure leakage field is big.
The application improves the embodiment three of the magnetic structure of loudspeaker performance
As shown in figure 3, the magnetic structure that the application improves loudspeaker performance further comprises the second secondary magnet steel 7, described the
Second mate's magnet steel 7 is set to the transverse part bottom.
The second secondary magnet steel 7 is circular or side is cyclic annular, and in the utility model embodiment, the second secondary magnet steel 7 can be with
Cyclic annular for annular shape, or side, the cyclic annular flux effects that increase in circular and side are preferable, in other embodiments, the second secondary magnetic
Steel 7 can be also any other polygonal ring shape in addition to quadrangle.
The setting of second secondary magnet steel 7, further improves the magnetic flux of magnetic circuit, reduces the magnetic flux leakage of magnetic structure, mention
The magnetic force value performance of high loudspeaker solves the problems, such as that traditional magnetic structure leakage field is big.
The embodiment of the application loudspeaker
A kind of loudspeaker, the magnetic structure including improving loudspeaker performance as described above.
The magnetic structure for improving loudspeaker performance is set, promotes loudspeaker radiated, improves the radiation of high frequency, from
And extend the bandwidth of loudspeaker.
Obviously, embodiments described above is only the utility model a part of the embodiment, rather than whole implementation
, the preferred embodiment of the utility model is given in attached drawing, but be not intended to limit the scope of the patents of the utility model.The utility model
It can realize in many different forms, on the contrary, purpose of providing these embodiments is makes disclosure to the utility model
The understanding of content is more thorough and comprehensive.Although the utility model is described in detail with reference to the foregoing embodiments, for this
For the technical staff in field, it can still modify to technical solution documented by aforementioned each specific embodiment, or
Person carries out equivalence replacement to part of technical characteristic.It is all done using the utility model specification and accompanying drawing content it is equivalent
Structure is directly or indirectly used in other related technical areas, similarly within the utility model patent protection scope.
Claims (10)
1. a kind of magnetic structure for improving loudspeaker performance, which is characterized in that
Including T iron, magnet steel, washer, coil and annulus；
The magnet steel, washer and annulus are sequentially overlapped from bottom to up to be set in the T iron；
The coil is sheathed in the T iron, and forms gap between the magnet steel, washer and annulus.
2. the magnetic structure according to claim 1 for improving loudspeaker performance, which is characterized in that
The annulus is made of aluminum or copper.
3. the magnetic structure according to claim 1 for improving loudspeaker performance, which is characterized in that
The T iron includes transverse part and is vertically arranged at the supercentral vertical part of bottom plate.
4. the magnetic structure according to claim 3 for improving loudspeaker performance, which is characterized in that
The magnet steel, washer and annulus are superposed on the transverse part, and the magnet steel, washer and annulus be surrounded on it is described
Vertical part periphery, the coil are sheathed on the vertical part.
5. the magnetic structure according to claim 1 for improving loudspeaker performance, which is characterized in that
The washer is flushed with the inner wall of annulus.
6. the magnetic structure according to claim 1 for improving loudspeaker performance, which is characterized in that
The height of the annulus is the 1/8-1/4 of coil height.
7. the magnetic structure according to claim 1 for improving loudspeaker performance, which is characterized in that
The magnet steel is circular or side is cyclic annular.
8. the magnetic structure according to claim 3 for improving loudspeaker performance, which is characterized in that
The transverse part two sides are equipped with the first secondary magnet steel, and the described first secondary magnet steel fits in the bottom of magnet steel.
9. the magnetic structure according to claim 3 for improving loudspeaker performance, which is characterized in that
The transverse part bottom is equipped with the second secondary magnet steel.
10. a kind of loudspeaker, which is characterized in that including improvement loudspeaker performance as described in any one of claims 1-9
Magnetic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203342.XU CN209419836U (en) | 2018-12-26 | 2018-12-26 | A kind of magnetic structure and loudspeaker improving loudspeaker performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203342.XU CN209419836U (en) | 2018-12-26 | 2018-12-26 | A kind of magnetic structure and loudspeaker improving loudspeaker performance |
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| Publication Number | Publication Date |
|---|---|
| CN209419836U true CN209419836U (en) | 2019-09-20 |
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| CN201822203342.XU Active CN209419836U (en) | 2018-12-26 | 2018-12-26 | A kind of magnetic structure and loudspeaker improving loudspeaker performance |
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