CN106792392A - A kind of horn magnetic circuit structure and its assemble method - Google Patents
A kind of horn magnetic circuit structure and its assemble method Download PDFInfo
- Publication number
- CN106792392A CN106792392A CN201710032206.6A CN201710032206A CN106792392A CN 106792392 A CN106792392 A CN 106792392A CN 201710032206 A CN201710032206 A CN 201710032206A CN 106792392 A CN106792392 A CN 106792392A
- Authority
- CN
- China
- Prior art keywords
- magnet
- washer
- magnetic circuit
- yoke
- circuit structure
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a kind of horn magnetic circuit structure and its assemble method, horn magnetic circuit structure includes washer, magnet and yoke, the yoke includes an accommodating chamber, the washer includes washer main body and marginal texture, the washer main body is the cavity body structure of one end open, stretches out to form the marginal texture from the edge of opening of the cavity body structure;The marginal texture is located in the accommodating chamber, and the magnet is located in the washer main body.Fixed magnet and washer are distinguished by the cavity body structure and marginal texture of washer, can prevent larger relative displacement between any two, to ensure washer, magnet and the concentricity of yoke, be conducive to improving the yield of loudspeaker finished product;First assembled when being assembled to horn magnetic circuit and magnetized afterwards, can effectively prevent in the assembling process of magnet that polarity is anti-loaded, so as to ensure the phase equalization of loudspeaker finished product.
Description
Technical field
The present invention relates to loudspeaker technical field, more particularly to a kind of horn magnetic circuit structure and its assemble method.
Background technology
As shown in figure 1, existing Microspeaker generally comprises vibrating diaphragm, voice coil loudspeaker voice coil, washer, magnet, yoke, framework and pad, such as
Shown in Fig. 2, the magnetic circuit part of loudspeaker mainly includes washer, magnet and yoke.When the assembling of horn magnetic circuit is carried out, first not
Magnetic magnet is magnetized using special magnetizing equipment, it is taken magnetic, then the gluing water on yoke, by
The magnet for magnetizing is bonded on yoke, and finally the another side again in magnet stamps glue and washer is fitted together, glue curing
After washer, magnet and yoke can be made to be strongly adhered to together.Naked eyes can not recognize the polarity of magnet, institute during due to man-made assembly
To be easy to the anti-loaded situation of polarity occur, if magnetic circuit part polarity is anti-loaded, then being assembled into when loudspeaker work can produce not
Same phase, the tonequality to loudspeaker has undesirable effect.In addition, being all to carry out artificial contraposition dress when magnetic circuit assembling is carried out
Match somebody with somebody, it is difficult to ensure that the concentricity of yoke, magnet and washer, and glue is in the curing process because the mobility of itself is held very much
The eccentric phenomena of magnet and washer is easily caused, the performance of loudspeaker is finally influenceed.
The content of the invention
The technical problems to be solved by the invention are:A kind of concentricity that not only can guarantee that yoke, magnet and washer is provided but also
Horn magnetic circuit structure and its assemble method that magnet polarities are anti-loaded can be prevented.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:
A kind of horn magnetic circuit structure, including washer, magnet and yoke, the yoke include an accommodating chamber, the washer bag
Include washer main body and marginal texture, the washer main body has the cavity body structure of opening for one end, the washer main body is from opening
Stretch out to form the marginal texture;The marginal texture is arranged in the accommodating chamber, and the magnet is arranged at the chamber
In body structure.
Another technical scheme of the invention is:
A kind of assemble method based on horn magnetic circuit structure, including:Magnet is installed in the cavity body structure of washer main body;
The washer main body that magnet will be equiped with is contained in the accommodating chamber of yoke;Then magnet is magnetized using magnetizing equipment, is obtained
Obtain the horn magnetic circuit structure.
The beneficial effects of the present invention are:Magnet is contained in cavity body structure, can be reduced between magnet and washer
Skew, marginal texture is set on washer and can be used to be fixed on washer and magnet in the accommodating chamber of yoke, is prevented larger
Skew, to ensure washer, magnet and the concentricity of yoke;When horn magnetic circuit is assembled, after washer, magnet and yoke are assembled again
Magnetic structure is magnetized, magnet polarities can be prevented anti-loaded, it is ensured that the phase of loudspeaker unit is consistent, can greatly improve loudspeaker
The yield of finished product.
Brief description of the drawings
Fig. 1 is the Structure explosion diagram of the loudspeaker of prior art;
Fig. 2 is the explosive view of the horn magnetic circuit structure of prior art;
Fig. 3 is the explosive view of the horn magnetic circuit structure of the embodiment of the present invention one;
Fig. 4 is the assembling flow path figure of the horn magnetic circuit structure of the embodiment of the present invention one.
Label declaration:
1st, washer;2nd, magnet;3rd, yoke;11st, washer main body;12nd, marginal texture;31st, accommodating chamber.
Specific embodiment
It is to describe technology contents of the invention, the objects and the effects in detail, below in conjunction with implementation method and coordinates attached
Figure is explained.
The design of most critical of the present invention is:Magnet is contained in washer to prevent magnet from larger skew occurring, while
Marginal texture is set on washer washer is fixed in the accommodating chamber of yoke, to ensure magnet, washer and the concentricity of yoke.
Fig. 3, a kind of horn magnetic circuit structure, including washer, magnet and yoke are refer to, the yoke includes an accommodating chamber,
The washer includes washer main body and marginal texture, and the washer main body has the cavity body structure of opening, the washer for one end
Main body extends to form the marginal texture from outward opening;The marginal texture is arranged in the accommodating chamber, and the magnet sets
It is placed in the cavity body structure.
Knowable to foregoing description, the beneficial effects of the present invention are:Divided by the cavity body structure and marginal texture of washer
Other fixed magnet and washer, can prevent larger relative displacement between any two, to ensure the concentric of washer, magnet and yoke
Degree, is conducive to improving the yield of loudspeaker finished product.
Further, the cavity body structure is identical with the shapes and sizes difference of the magnet.
Seen from the above description, cavity body structure can just accommodate magnet, and magnet preferably can be positioned, and prevent hair
Raw skew, to ensure the concentricity of magnet and washer, improves the performance of loudspeaker.
Further, phase is distinguished in the outward flange of the marginal texture with the shapes and sizes of the cross-sectional area of the accommodating chamber
Together.
Seen from the above description, marginal texture can just be contained in the accommodating chamber of yoke, can prevent washer relative to
Yoke shifts, and to ensure the concentricity of washer, magnet and yoke three, improves the performance of loudspeaker.
Further, the shape of the cavity body structure and magnet is cylinder.
Seen from the above description, cavity body structure and Magnet design are cylinder, are conducive to provide uniform and stable magnetic field.
Further, the outer peripheral of the marginal texture be shaped as circle, and the accommodating chamber is shaped as cylinder.
Seen from the above description, marginal texture may be designed as circle, certainly also dependent on needing to be designed as other shapes,
As long as washer can be completely fixed in the accommodating chamber of yoke.
Further, the first adhesive linkage is provided between the washer and magnet, second is provided between the magnet and yoke
Adhesive linkage.
Seen from the above description, in order to preferably fix washer, magnet and yoke, can be bonded by adhesive linkage.
Fig. 4 is refer to, another technical scheme of the invention is:
A kind of assemble method based on horn magnetic circuit structure, including:Magnet is installed in the cavity body structure of washer main body;
The washer main body that magnet will be equiped with is contained in the accommodating chamber of yoke;Then magnet is magnetized using magnetizing equipment, is obtained
Obtain the horn magnetic circuit structure.
Seen from the above description, when horn magnetic circuit structure is assembled, first assemble and magnetize afterwards, can avoid filling magnet polarities
Instead so that the phase of loudspeaker unit is consistent, production yield is improved.
Further, the first adhesive linkage is set in the bottom of cavity body structure, by first adhesive linkage by the magnet
One end is fixed in washer main body.
Seen from the above description, magnet is fixed on washer by the first adhesive linkage, can prevents from coming off, it is ensured that loudspeaker
Performance, the first adhesive linkage can be realized by smearing one layer of glue.
Further, the second adhesive linkage is set in the bottom of the accommodating chamber of yoke, by second adhesive linkage by magnet
The other end is fixed on yoke.
Seen from the above description, can prevent washer and magnet from being come off from yoke by the second adhesive linkage, it is ensured that loudspeaker
Performance, the second adhesive linkage can also be realized by smearing one layer of glue.
Embodiment one
Fig. 3 is refer to, embodiments of the invention one are:A kind of horn magnetic circuit structure, including washer 1, magnet 2 and yoke 3,
The washer 1 includes washer main body 11 and marginal texture 12, and the washer main body 11 is the cavity body structure of one end open, the magnetic
Iron 2 is located in the cavity body structure, it is preferred that cavity body structure can just accommodate the shape of the cavity of the magnet 2, i.e. cavity body structure
It is shape, the shape of size and magnet 2, in the same size, can prevent magnet from position occurring relative to washer and offset.In order that magnet 2
Preferably it is fixed on washer 1, the first adhesive linkage is provided with the bottom of cavity body structure, can be by magnet by first adhesive linkage
2 are securely fixed on washer, prevent from coming off.In the present embodiment, magnet 2 and cavity body structure are cylinder, can produce stabilization
Uniform magnetic field, the external diameter of magnet 2 is consistent with the diameter of cavity body structure, and the height of magnet 2 is the depth of cavity body structure.
Stretch out to form the marginal texture 12 from the edge of opening of the cavity body structure, the yoke 3 includes that one holds
Receive chamber 31, the marginal texture 12 can be contained in the accommodating chamber 31, it is preferred that the outer peripheral shape of the marginal texture 12
Shape, more than the shape with the cross section of the accommodating chamber 31, in the same size, washer 1 can be prevented to be subjected to displacement relative to yoke.This
In embodiment, the accommodating chamber 31 of yoke 3 is also a cylinder, and marginal texture 12 may be designed as circle, naturally it is also possible to be designed as
Other shapes, such as gear shape, square etc., offset as long as washer 1 being fixed in yoke and prevent it from position occurring.When
Accommodating chamber 31 for cylinder, marginal texture 12 for it is circular when, the outer peripheral diameter of marginal texture 12 and the diameter of accommodating chamber 31
Unanimously.In order that magnet and washer are preferably fixed on yoke 3, the second adhesive linkage is provided with yoke 3, by described second
Bonding can prevent washer 1 and the entirety of magnet 2 from being come off from yoke 3, advantageously ensure that the performance of loudspeaker.
In the present embodiment, by the mutual cooperation of the washer main body 11 and marginal texture 12 of washer 1, it is ensured that washer 1, magnetic
Iron 2 and the concentricity of the three of yoke 3, improve the yield of loudspeaker finished product.
The present embodiment further relates to a kind of assemble method of horn magnetic circuit structure, mainly comprises the following steps:
Magnet 2 is installed in washer main body 11 first, is specifically included:The first adhesive linkage is set in the bottom of cavity body structure,
One end of the magnet 2 is fixed in washer main body 11 by first adhesive linkage, the first adhesive linkage can be bonded adhesives
Water, naturally it is also possible to be other bonded structures.
Then the washer 1 that magnet 2 will be equiped with is contained in yoke, is specifically included:In the bottom of the accommodating chamber 31 of yoke 3
If the second adhesive linkage, the other end of magnet 2 is fixed on yoke 3 by second adhesive linkage, second adhesive linkage
But being bonded glue or other has bonded structure.
Finally magnetized using magnetizing equipment, the magnetic conductivity of washer 1 and yoke 3 will not be produced to the effect that magnetizes of magnet 2
Raw influence, and the polarity of magnet 2 can be as needed set, can effectively prevent from filling polarity in the assembling process of magnet
Instead, so as to ensure the phase equalization of loudspeaker finished product.
In sum, the present invention is provided a kind of horn magnetic circuit structure and its assemble method, by the cavity body structure of washer
Fixed magnet and washer are distinguished with marginal texture, can prevent larger relative displacement between any two, to ensure washer, magnetic
The concentricity of iron and yoke, is conducive to improving the yield of loudspeaker finished product;First assembled when being assembled to horn magnetic circuit and magnetized afterwards, can
It is in the assembling process of magnet that polarity is anti-loaded effectively to prevent, so as to ensure the phase equalization of loudspeaker finished product.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In scope of patent protection of the invention.
Claims (9)
1. a kind of horn magnetic circuit structure, including washer, magnet and yoke, the yoke include an accommodating chamber, it is characterised in that institute
Stating washer includes washer main body and marginal texture, and the washer main body has the cavity body structure of opening, the washer master for one end
Body extends to form the marginal texture from outward opening;The marginal texture is arranged in the accommodating chamber, and the magnet is set
In in the cavity body structure.
2. horn magnetic circuit structure according to claim 1, it is characterised in that the cavity of the cavity body structure and the magnet
Shapes and sizes difference it is identical.
3. horn magnetic circuit structure according to claim 1, it is characterised in that the outward flange of the marginal texture and the appearance
Receive chamber cross-sectional area shapes and sizes difference it is identical.
4. horn magnetic circuit structure according to claim 2, it is characterised in that the shape of the cavity body structure and magnet is
Cylinder.
5. horn magnetic circuit structure according to claim 3, it is characterised in that the outer peripheral of the marginal texture is shaped as
Circle, the accommodating chamber is shaped as cylinder.
6. the horn magnetic circuit structure according to claim 1-5 any one, it is characterised in that between the washer and magnet
The first adhesive linkage is provided with, the second adhesive linkage is provided between the magnet and yoke.
7. a kind of assemble method of the horn magnetic circuit structure based on described in claim 1-6 any one, it is characterised in that bag
Include:Magnet is installed in the cavity body structure of washer main body;The washer main body that magnet will be equiped with is contained in the accommodating chamber of yoke
It is interior;Then magnet is magnetized using magnetizing equipment, obtains the horn magnetic circuit structure.
8. the assemble method of horn magnetic circuit structure according to claim 7, it is characterised in that set in the bottom of cavity body structure
, be fixed in washer main body for one end of the magnet by first adhesive linkage by the first adhesive linkage.
9. the assemble method of horn magnetic circuit structure according to claim 8, it is characterised in that at the bottom of the accommodating chamber of yoke
Portion sets the second adhesive linkage, and the other end of magnet is fixed on yoke by second adhesive linkage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710032206.6A CN106792392A (en) | 2017-01-16 | 2017-01-16 | A kind of horn magnetic circuit structure and its assemble method |
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CN201710032206.6A CN106792392A (en) | 2017-01-16 | 2017-01-16 | A kind of horn magnetic circuit structure and its assemble method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110536224A (en) * | 2019-07-12 | 2019-12-03 | 国光电器股份有限公司 | The assemble method of magnetic circuit structure for loudspeaker |
CN110620985A (en) * | 2019-09-27 | 2019-12-27 | 厦门三立电子有限公司 | Small neodymium iron boron strip magnetic bonding process |
CN113473337A (en) * | 2021-07-14 | 2021-10-01 | 斯贝克电子(嘉善)有限公司 | A kind of loudspeaker |
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CN205179356U (en) * | 2015-12-10 | 2016-04-20 | 厦门信荣达科技有限公司 | Improve bearing structure's speaker |
CN205491115U (en) * | 2016-01-20 | 2016-08-17 | 合肥宏立电子有限公司 | Prevent that audio amplifier magnetism that rocks returns structure |
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CN110536224A (en) * | 2019-07-12 | 2019-12-03 | 国光电器股份有限公司 | The assemble method of magnetic circuit structure for loudspeaker |
CN110620985A (en) * | 2019-09-27 | 2019-12-27 | 厦门三立电子有限公司 | Small neodymium iron boron strip magnetic bonding process |
CN110620985B (en) * | 2019-09-27 | 2020-08-25 | 厦门三立电子有限公司 | Small neodymium iron boron strip magnetic bonding process |
CN113473337A (en) * | 2021-07-14 | 2021-10-01 | 斯贝克电子(嘉善)有限公司 | A kind of loudspeaker |
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Effective date of registration: 20170908 Address after: 213000 No. 399 Ming Hu Road, Jintan District, Jiangsu, Changzhou Applicant after: SUNWAY COMMUNICATION (JIANGSU) Co.,Ltd. Address before: 518000 Guangdong Province, Shenzhen city Baoan District manhole Street Xihuan Road No. 1013, building B, A Applicant before: SHENZHEN SUNWAY COMMUNICATION Co.,Ltd. |
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Application publication date: 20170531 |