CN203840518U - Specially-shaped basin rack magnetic circuit system - Google Patents
Specially-shaped basin rack magnetic circuit system Download PDFInfo
- Publication number
- CN203840518U CN203840518U CN201420224556.4U CN201420224556U CN203840518U CN 203840518 U CN203840518 U CN 203840518U CN 201420224556 U CN201420224556 U CN 201420224556U CN 203840518 U CN203840518 U CN 203840518U
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- Prior art keywords
- magnetic circuit
- shell
- lower shell
- circuit system
- magnetic
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- Expired - Fee Related
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- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 2
- 230000035699 permeability Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 206010066054 Dysmorphism Diseases 0.000 description 13
- 239000004744 fabric Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 241000463219 Epitheca Species 0.000 description 2
- 238000010073 coating (rubber) Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a specially-shaped basin rack magnetic circuit system comprising a magnetic conductive sheet, an upper shell, a lower shell, a magnetic circuit and a specially-shaped basin rack, wherein the lower shell is matched with the upper shell in shape, the upper shell and the lower shell are respectively provided with openings, the magnetic conductive sheet is fixed at the position of the opening of the upper shell, the magnetic circuit is fixed on the lower shell and is positioned in a space formed by the lower shell and the upper shell, the specially-shaped basin rack and the opening of the lower shell are consistent in shape, and the specially-shaped basin rack is arranged at the position of the opening of the lower shell. Through use of the specially-shaped basin rack magnetic circuit system provided by the utility model, a set of outer shell can be saved, the whole magnetic circuit system can be protected, heat dissipation effects can be exerted, the specially-shaped basin rack magnetic circuit system is simple in manufacture technology and work efficiency is improved.
Description
Technical Field
The utility model relates to an acoustoelectric technology field, more specifically relates to a dysmorphism basin frame magnetic circuit.
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.
In our daily life, the most widely used loudspeakers are electrodynamic loudspeakers, also known as moving-coil loudspeakers. The vibration type magnetic circuit mainly comprises a vibration system, a magnetic circuit system and an auxiliary system. The vibration system comprises a corrugated rim, a voice coil, a cone, a centering support piece and the like; the magnetic circuit system comprises a magnetic circuit, a magnetic conduction plate, a magnetic pole core and the like; the auxiliary system comprises a basin frame, a pressing strip, outgoing lines, wiring terminals and the like. When voice frequency current flows through the voice coil in the magnetic field, the voice coil can be subjected to an alternating driving force to generate alternating motion, so that the paper cone is driven to vibrate, and air is repeatedly pushed to produce sound.
The magnetic circuit system is an important component of the loudspeaker, plays an important role in the sounding process of the loudspeaker, and the complexity and cost of the manufacturing process directly influence the acoustic performance and production efficiency of the whole loudspeaker. In addition, the frame is used as a framework of the loudspeaker to combine the vibration system and the magnetic circuit system into a firm whole. Whether the structural design of basin frame rationally influences not only the stability of efficiency, performance of speaker equipment, still can influence the tone quality of speaker.
In the traditional magnetic circuit system, 3 sets of shells are needed due to welding of voice coil leads, the function of the basin frame is limited, and the manufacturing process required by the whole set of scheme is complex and high in cost.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing a dysmorphism basin frame magnetic circuit adopts this kind of dysmorphism basin frame magnetic circuit, can save one set of shell under the circumstances of protecting whole magnetic circuit, and the special-shaped basin frame can play radiating effect simultaneously, improves production efficiency, saves the cost.
The utility model provides a magnetic circuit system of a special-shaped basin stand, which comprises a magnetic conductive sheet, an upper shell, a lower shell matched with the upper shell in shape, a magnetic circuit and a special-shaped basin stand; wherein, openings are respectively arranged on the upper shell and the lower shell; the magnetic conductive sheet is fixed at the opening of the upper shell; the magnetic circuit is fixed on the lower shell and is positioned in a space formed by the lower shell and the upper shell; the shape of the special-shaped basin frame is consistent with the shape of the opening of the lower shell and is arranged at the opening of the lower shell.
In addition, the special-shaped basin stand preferably comprises an extending part, and the extending part comprises two right-angle sides; the positions of the magnetic conductive sheet, the magnetic circuit and the special-shaped basin frame are corresponding.
In addition, the preferable structure is that a spring sheet is arranged at one side of the opening of the lower shell; and the magnetic circuit is fixed on the lower shell through the elastic sheet.
In addition, the preferred structure is that the magnetic conduction piece is fixed at the opening of the upper shell in an injection molding mode.
In addition, the preferred structure is that the elastic sheet is fixed on the lower shell by injection molding.
In addition, the preferred structure is that the special-shaped basin frame is made of high-permeability magnetic materials.
In addition, the preferred structure is that the special-shaped basin frame is fixed on the lower shell by gluing.
According to the technical scheme provided by the utility model, the utility model provides a dysmorphism basin frame magnetic circuit has following advantage:
(1) a set of shell can be saved, and the shell cost is saved;
(2) the special-shaped basin frame can play a role in protecting the whole magnetic circuit system;
(3) the special-shaped basin frame plays a role in heat dissipation, and overhigh temperature is avoided when a magnetic circuit works;
(4) the production efficiency is improved, and simultaneously, a large amount of process defects are avoided;
(5) the space of the shell is released, and the shell can be designed more fully.
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 an exploded schematic view of a magnetic circuit system of a special-shaped basin stand according to an embodiment of the present invention;
fig. 2 is a top view of a magnetic circuit system of the special-shaped basin stand according to an embodiment of the present invention;
fig. 3 is a bottom view of the magnetic circuit system of the special-shaped basin stand according to the embodiment of the present invention;
fig. 4 is a cross-sectional view of a magnetic circuit system of a special-shaped basin frame according to an embodiment of the present invention.
Wherein the reference numerals include: the magnetic conduction piece comprises a magnetic conduction piece 1, an upper shell 2, a magnetic circuit 3, an elastic piece 4, a lower shell 5, a special-shaped basin frame 6 and an MESH MESH cloth 7.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 shows an exploded structure of a magnetic circuit system of a special-shaped basin stand according to an embodiment of the present invention.
As shown in fig. 1, the magnetic circuit system of the special-shaped basin stand comprises a magnetic conductive sheet 1, an upper shell 2, a lower shell 5 matched with the upper shell in shape, a magnetic circuit 3 and a special-shaped basin stand 6; wherein, the shapes of the upper shell 2 and the lower shell 5 are corresponding at the connecting position, after the magnetic circuit is installed, the upper shell 2 and the lower shell 5 are fixed together by ultrasonic welding, and the upper shell 2 and the lower shell 5 are respectively provided with an opening, and the opening positions of the upper shell 2 and the lower shell 5 are corresponding; the opening of the upper shell 2 is fixed with a magnetic conductive sheet 1, and one side of the opening of the lower shell 5 is provided with an elastic sheet 4; the magnetic circuit 3 is fixed on the lower shell 5 through an elastic sheet and is positioned in a space formed by the lower shell 5 and the upper shell 2; the shape of the special-shaped basin frame 6 is consistent with the shape of the opening of the lower shell 5 and is arranged at the opening of the lower shell 5.
Specifically, the upper casing 2 in this dysmorphism basin frame magnetic circuit is the rectangle structure, and is provided with opening and fixed orifices, and inferior valve 5 is the cuboid structure, is provided with the opening corresponding with the open position of upper casing 2 for place magnetic circuit 3. Wherein, epitheca 2 and inferior valve 5 constitute magnetic circuit's shell jointly, and the two uses in forming a complete set in the shape, in addition, the position of the opening one side of inferior valve 5 is provided with two shell fragments 4, fixes magnetic circuit 3 in the inferior valve 5 of cuboid through shell fragment 4, after the installation of magnetic circuit 3 was accomplished, at the opening part equipment dysmorphism basin frame 6 of inferior valve 5 to paste MESH screen cloth 7.
Fig. 2 shows a top view structure of the magnetic circuit system of the special-shaped basin stand according to the embodiment of the invention; fig. 3 is a bottom view structure of the magnetic circuit system of the special-shaped basin frame according to the embodiment of the present invention.
As shown in fig. 2 and 3, the utility model discloses a magnetic conductive plate 1 among the dysmorphism basin frame magnetic circuit and the mounted position of dysmorphism basin frame 6 are upper and lower corresponding, wherein, magnetic conductive plate 1 is fixed at the opening part of epitheca 2, the shape of dysmorphism basin frame 6 is unanimous with the opening shape of inferior valve 5, and adopt the material preparation of high magnetic conduction to form, fix on the inferior valve through the rubber coating in the use, can play radiating effect, avoid magnetic circuit during operation high temperature, can save one set of shell simultaneously, and the cost is saved.
In addition, dysmorphism basin frame 6 chooses for use high magnetic material preparation, and the shape designs according to the opening of specific magnetic circuit shell, when playing the shell guard action, still has the heat dissipation function, increases the magnetic conduction, improves the bass effect.
In the utility model discloses a preferred embodiment, special-shaped basin frame 6 passes through the rubber coating to be fixed on inferior valve 5, and the installation is simple, saves labour and time.
It should be noted that the magnetic conductive sheet 1 is provided with a through hole and is fixed on the upper casing 2 by injection molding, and forms a whole with the upper casing 2, and the magnetic resistance of the magnetic conductive sheet 1 is very small, so that magnetic flux can easily pass through the magnetic conductive sheet, and in addition, the density and direction of the magnetic flux can be controlled, so that a better sound-producing effect is achieved.
The utility model discloses an dysmorphism basin frame magnetic circuit's installation as follows:
1. the magnetic conductive sheet is fixed on the upper shell in an injection molding mode, and the elastic sheet is fixed on the lower shell in an injection molding mode;
2. assembling the magnetic circuit on the lower shell which is injected with the elastic sheet, and then assembling the upper shell;
3. after the upper shell and the lower shell are assembled, the special-shaped basin stand is assembled at the opening of the lower shell, and the mesh cloth is attached.
It should be noted that the magnetic circuit 3 during the installation process is fixed on the lower shell 5 through the elastic sheet 4, and in addition, the MESH fabric uses the round MWSH MESH fabric 7, and the MESH fabric 7 is attached to the position far away from the magnetic circuit 3 on the lower shell 5, so as to play a role in heat dissipation. Wherein, dysmorphism basin frame 6 adopts high magnetic material, increases the magnetic permeability of dysmorphism basin frame, increases the bass effect, improves the acoustic performance of speaker.
Fig. 4 shows a cross-sectional structure of a magnetic circuit system of a special-shaped basin stand according to an embodiment of the present invention.
As shown in fig. 4, in the magnetic circuit system of the special-shaped basin stand, the positions of the special-shaped basin stand 6, the magnetic circuit 3 and the magnetic conductive sheet 1 are corresponding to each other, wherein the magnetic circuit 3 is fixed on the lower shell 5 through the elastic sheet and is positioned in the space formed by the upper shell 2 and the lower shell 5, and after the upper shell, the lower shell and the magnetic circuit of the magnetic circuit system are installed, the special-shaped basin stand 6 is installed at the opening of the lower shell 5, so that the whole magnetic circuit system forms a whole. Wherein, the use of special-shaped basin frame 6 makes whole magnetic circuit save one set of shell, increases the utilization ratio of basin frame, reduces magnetic circuit's volume, releases more shell spaces.
In a preferred embodiment of the present invention, the special-shaped frame 6 is designed to be an extension part of the special-shaped frame extending towards the magnetic circuit system housing according to the shape of the plastic housing, and the extension part comprises two right-angle sides matched with the housing.
Can find out through above-mentioned embodiment, the utility model provides a special-shaped basin frame magnetic circuit can save the expense of one set of shell, when protecting whole magnetic circuit, plays radiating effect, improves production efficiency, has avoidd a lot of technology harmfully, reduces manufacturing cost, and release shell space makes design shell that can be more abundant.
The magnetic circuit system of the special-shaped basin stand according to the present invention is described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the magnetic circuit system of the special-shaped frame without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (7)
1. A magnetic circuit system of a special-shaped basin stand is characterized by comprising a magnetic conductive sheet, an upper shell, a lower shell matched with the upper shell in shape, a magnetic circuit and the special-shaped basin stand; wherein,
openings are respectively arranged on the upper shell and the lower shell;
the magnetic conductive sheet is fixed at the opening of the upper shell;
the magnetic circuit is fixed on the lower shell and is positioned in a space formed by the lower shell and the upper shell;
the shape of the special-shaped basin frame is consistent with that of the opening of the lower shell and is arranged at the opening of the lower shell.
2. The shaped frame magnetic circuit of claim 1, wherein the shaped frame comprises an extension portion, the extension portion comprising two right-angled sides;
the positions of the magnetic conductive sheet, the magnetic circuit and the special-shaped basin frame correspond to each other.
3. The shaped frame magnetic circuit system of claim 1,
an elastic sheet is arranged on one side of the opening of the lower shell; and,
the magnetic circuit is fixed on the lower shell through the elastic sheet.
4. The shaped frame magnetic circuit system of claim 1, wherein the magnetic conductive sheet is fixed at the opening of the upper case by injection molding.
5. The shaped frame magnetic circuit system of claim 3, wherein the spring plate is injection molded and fixed to the lower case.
6. The shaped frame magnetic circuit system according to claim 1 or 2, wherein the shaped frame is made of a high magnetic permeability material.
7. The shaped frame magnetic circuit system according to claim 1, wherein the shaped frame is fixed to the lower case by glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224556.4U CN203840518U (en) | 2014-04-30 | 2014-04-30 | Specially-shaped basin rack magnetic circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420224556.4U CN203840518U (en) | 2014-04-30 | 2014-04-30 | Specially-shaped basin rack magnetic circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203840518U true CN203840518U (en) | 2014-09-17 |
Family
ID=51518310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420224556.4U Expired - Fee Related CN203840518U (en) | 2014-04-30 | 2014-04-30 | Specially-shaped basin rack magnetic circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203840518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756829A (en) * | 2019-01-25 | 2019-05-14 | 王白梅 | Three coaxial speakers |
-
2014
- 2014-04-30 CN CN201420224556.4U patent/CN203840518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756829A (en) * | 2019-01-25 | 2019-05-14 | 王白梅 | Three coaxial speakers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20200430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |