CN207706438U - Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic - Google Patents
Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic Download PDFInfo
- Publication number
- CN207706438U CN207706438U CN201820058625.7U CN201820058625U CN207706438U CN 207706438 U CN207706438 U CN 207706438U CN 201820058625 U CN201820058625 U CN 201820058625U CN 207706438 U CN207706438 U CN 207706438U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnet steel
- horn
- double
- steel material
- 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.)
- Active
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model is related to magnetic horn magnetic structures in a kind of double magnetic, including：Frame, the frame center has protrusion, the protrusion is equipped with the first main magnet steel, the first main magnet steel is equipped with center magnetic conductive iron sheet, the center magnetic conductive iron sheet is equipped with the first secondary magnet steel, wherein the frame is made of permeability magnetic material, moreover, the magnetizing direction of the first main magnet steel and the first secondary magnet steel is opposite.Magnetic horn magnetic structure in above-mentioned double magnetic directly uses air and frame magnetic conduction, and without original yoke magnetic conduction, frame inside bottom central protrusion in structure, the lowest resonance frequency to reduce loudspeaker leaves amplitude space.
Description
Technical field
The utility model is related to loudspeaker, more particularly to magnetic horn magnetic structure in double magnetic.
Background technology
With the development of modern society, available liquid crystal ultrathin TV set to the performance and structural requirement of loudspeaker increasingly
Height, while mitigation original loudspeaker are thinned, the electroacoustic performance of loudspeaker cannot reduce many structural requirements, magnetic magnetic in former tradition meter
Road palpus yoke magnetizer, inner space is narrow, limits the amplitude of loudspeaker, reduces the use scope of loudspeaker.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide magnetic horn magnetic structure in a kind of double magnetic, improve loudspeaker
Amplitude, expand the use scope of loudspeaker.
Magnetic horn magnetic structure in a kind of double magnetic, including：Frame, the frame center have protrusion, are set in the protrusion
There are the first main magnet steel, the first main magnet steel to be equipped with center magnetic conductive iron sheet, the center magnetic conductive iron sheet is equipped with the first secondary magnetic
Steel, wherein the frame is made of permeability magnetic material, moreover, the magnetizing direction of the first main magnet steel and the first secondary magnet steel
On the contrary.
Magnetic horn magnetic structure in above-mentioned double magnetic directly uses air and frame magnetic conduction, without original yoke magnetic conduction, structure
Upper frame inside bottom central protrusion, the lowest resonance frequency to reduce loudspeaker leave amplitude space.
In other one embodiment, the first main magnet steel is by neodymium-iron-boron Steel material or rubidium iron boron magnetic steel material
Either barium ferrite magnetic steel material or strontium ferrite magnetic steel material or ammonium iron boron magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made；
The first secondary magnet steel is by neodymium-iron-boron Steel material either rubidium iron boron magnetic steel material or barium ferrite magnetic steel material or strontium iron oxygen
Body magnetic steel material or ammonium iron boron magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made.
In other one embodiment, the center magnetic conductive iron sheet is made of pure iron or spcc cold-rolled steels.
In other one embodiment, the frame is made of pure iron or spcc cold-rolled steels.
In other one embodiment, the frame has multiple reinforcing ribs, and several holes are offered on the reinforcing rib.
In other one embodiment, the shape in the hole is circular hole, square hole or elliptical aperture.
In other one embodiment, the first main magnet steel is fixedly connected with the glue that projects through.
In other one embodiment, the first main magnet steel, which is fixed with the center magnetic conductive iron sheet by glue, to be connected
It connects；Described first secondary magnet steel is fixedly connected with the center magnetic conductive iron sheet by glue.
Magnetic horn magnetic structure in a kind of loudspeaker, including double magnetic of any of the above-described.
Magnetic horn magnetic structure in a kind of liquid crystal TV set, including above-mentioned double magnetic.
Description of the drawings
Fig. 1 is the structural schematic diagram of magnetic horn magnetic structure in a kind of double magnetic provided by the embodiments of the present application.
Fig. 2 is the vertical view of the frame of magnetic horn magnetic structure in a kind of double magnetic provided by the embodiments of the present application.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Magnetic horn magnetic structure in a kind of double magnetic, including：Frame 100, the frame center has protrusion 110, described convex
It rises and is equipped with the first main magnet steel 200, the first main magnet steel is equipped with center magnetic conductive iron sheet 300, on the center magnetic conductive iron sheet
Equipped with the first secondary magnet steel 400, wherein the frame is made of permeability magnetic material, moreover, the first main magnet steel and first pair
The magnetizing direction of magnet steel is opposite.
That is, the pole reversal of the first main magnet steel and the first secondary magnet steel.
Magnetic horn magnetic structure in above-mentioned double magnetic directly uses air and frame magnetic conduction, without original yoke magnetic conduction, structure
Upper frame inside bottom central protrusion, the lowest resonance frequency to reduce loudspeaker leave amplitude space.
In other one embodiment, the first main magnet steel is by neodymium-iron-boron Steel material or rubidium iron boron magnetic steel material
Either barium ferrite magnetic steel material or strontium ferrite magnetic steel material or ammonium iron boron magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made；
The first secondary magnet steel is by neodymium-iron-boron Steel material either rubidium iron boron magnetic steel material or barium ferrite magnetic steel material or strontium iron oxygen
Body magnetic steel material or ammonium iron boron magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made.It is appreciated that the first main magnet steel and institute
Stating the first secondary magnet steel can also be made of other magnetic steel materials.
In other one embodiment, the center magnetic conductive iron sheet is made of pure iron or spcc cold-rolled steels.
SPCC originals are Nippon Standard (JIS) " generally with cold rolled carbon steel sheet and steel band " steel title, present many states
Family or enterprise are used directly to indicate the similar steel (having SPCC if Baosteel Q/BQB402 standards) of oneself production.
Steel is a kind of time-honored material, in addition to smelting technique improve other than, iron also has other materials cannot
Instead of the advantages of：
1. processing performance is good, iron is frame with the longest history, its processing technology has evolved to a quite stable
Degree.
2. intensity is big, from it is understood that the intensity of the steel under same volume is far longer than aluminium alloy, therefore qualified iron
The intensity of frame can allow people to trust.
Certainly, brandreth also has the shortcomings that its is unconquerable：It gets rusty.Relative to other materials, iron is to be easier to get rusty
's.Getting rusty can be such that the intensity of iron significantly declines, and reduce service life.So various means must be taken to prevent iron material from giving birth to
Rust.
In other one embodiment, the frame is made of pure iron or spcc cold-rolled steels.
In other one embodiment, the frame has multiple reinforcing ribs 120, is offered on the reinforcing rib several
Hole 121.
In other one embodiment, the shape in the hole is circular hole, square hole or elliptical aperture.The size and number root in hole
It is determined according to reinforcing rib, distribution can be the curve of straight line or arbitrary shape.
By the way that several holes are arranged in frame, air can smoothly be discharged from this some holes when cone vibrates downwards, avoid producing
Raw cross-ventilation can effectively cut down the intermediate frequency peak valley of loud speaker, improve loudspeaker tonequality.
In other one embodiment, the first main magnet steel is fixedly connected with the glue that projects through.Specifically,
AB glue may be used in glue, it is possible to understand that can also use other kinds of glue.
In other one embodiment, the first main magnet steel, which is fixed with the center magnetic conductive iron sheet by glue, to be connected
It connects；Described first secondary magnet steel is fixedly connected with the center magnetic conductive iron sheet by glue.Specifically, AB glue may be used in glue,
It is appreciated that other kinds of glue can also be used.
Magnetic horn magnetic Circuit Design in double magnetic directly uses air and frame magnetic conduction, without original yoke magnetic conduction, basin in structure
Frame inside bottom central protrusion, the lowest resonance frequency to reduce loudspeaker leave amplitude space, frame inside bottom central protrusion
On have the first main magnet steel, have center magnetic conductive iron sheet on magnet steel, topmost there is the second secondary magnet steel, make reversely to rush magnetic when rushing magnetic, shake
Vibrating work at the centre slice edge magnetic line of force concentration when voice coil 500 of dynamic component works (can be simulated by magnetic circuit and be related to making
Voice coil is in above-mentioned suitable position).The magnetic circuit is also to improve loudspeaker power, convenient for concentrating heat dissipation to provide larger space.
This structure reduces loudspeaker volume, also increases loudspeaker stroke while increasing sensitivity, increases internal heat dissipating
Space, the particularly suitable full frequency band of the magnetic Circuit Design, high sound pressure, the loud speaker that liquid crystal ultra-thin large-screen colour TV uses.This structure energy
Lowest resonance frequency is reduced, the amplitude of loudspeaker is improved, improves loudspeaker power, convenient for concentrating heat dissipation, mitigates the overall weight of loudspeaker,
Increase loudspeaker sensitivity.
Magnetic horn magnetic structure in a kind of loudspeaker, including double magnetic of any of the above-described.
Magnetic horn magnetic structure in a kind of liquid crystal TV set, including above-mentioned double magnetic.
The specific processing method of the utility model is described below：
As shown in Figure 1, magnetic horn magnetic structure in the double magnetic of the utility model, it first will be in main magnet steel and frame inside bottom
Entreat protrusion vertical by glue and positioning rule group, first processing group is vertical by positioning rule and glue with centre slice for secondary magnet steel, then by fixed
Position rule are vertical with main magnet steel group with glue.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. magnetic horn magnetic structure in a kind of double magnetic, which is characterized in that including：Frame, the frame center has protrusion, described
Protrusion is equipped with the first main magnet steel, and the first main magnet steel is equipped with center magnetic conductive iron sheet, and the center magnetic conductive iron sheet is equipped with
First secondary magnet steel, wherein the frame is made of permeability magnetic material, moreover, the first main magnet steel and the first secondary magnet steel
Magnetizing direction is opposite.
2. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the first main magnet steel is by neodymium iron
Boron magnetic steel material either rubidium iron boron magnetic steel material or barium ferrite magnetic steel material or strontium ferrite magnetic steel material or ammonium iron boron
Magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made；Described first secondary magnet steel is by neodymium-iron-boron Steel material or rubidium iron boron magnetic steel material
Either barium ferrite magnetic steel material or strontium ferrite magnetic steel material or ammonium iron boron magnetic steel material or aluminium-nickel-cobalt magnetic Steel material are made.
3. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the center magnetic conductive iron sheet is by pure
Iron or spcc cold-rolled steels are made.
4. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the frame by pure iron or
Spcc cold-rolled steels are made.
5. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the frame has multiple reinforcements
Muscle offers several holes on the reinforcing rib.
6. magnetic horn magnetic structure in double magnetic according to claim 5, which is characterized in that the shape in the hole be circular hole,
Square hole or elliptical aperture.
7. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the first main magnet steel with it is described
Glue is projected through to be fixedly connected.
8. magnetic horn magnetic structure in double magnetic according to claim 1, which is characterized in that the first main magnet steel with it is described
Center magnetic conductive iron sheet is fixedly connected by glue；Described first secondary magnet steel, which is fixed with the center magnetic conductive iron sheet by glue, to be connected
It connects.
9. a kind of loudspeaker, which is characterized in that magnetic horn magnetic structure in double magnetic including any one of claim 1 to 8.
10. a kind of liquid crystal TV set, which is characterized in that including magnetic horn magnetic structure in double magnetic described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058625.7U CN207706438U (en) | 2018-01-15 | 2018-01-15 | Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820058625.7U CN207706438U (en) | 2018-01-15 | 2018-01-15 | Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207706438U true CN207706438U (en) | 2018-08-07 |
Family
ID=63035148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820058625.7U Active CN207706438U (en) | 2018-01-15 | 2018-01-15 | Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207706438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556417A (en) * | 2020-05-18 | 2020-08-18 | 东莞市爱笙电子科技有限公司 | Bidirectional vibrating diaphragm type low-frequency output loudspeaker for television |
-
2018
- 2018-01-15 CN CN201820058625.7U patent/CN207706438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111556417A (en) * | 2020-05-18 | 2020-08-18 | 东莞市爱笙电子科技有限公司 | Bidirectional vibrating diaphragm type low-frequency output loudspeaker for television |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208638645U (en) | Vibrating diaphragm and loudspeaker | |
| CN207706438U (en) | Magnetic horn magnetic structure, loudspeaker and liquid crystal TV set in double magnetic | |
| CN202269005U (en) | Loudspeaker diaphragm and loudspeaker using same | |
| CN207573627U (en) | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm | |
| US20050129266A1 (en) | Speaker device | |
| CN207340182U (en) | Vibrational system and the electro-acoustic element using the vibrational system | |
| US9986340B2 (en) | Loudspeaker | |
| CN108513232A (en) | A kind of loud speaker | |
| CN208337867U (en) | Sound film and loudspeaker | |
| CN201199732Y (en) | Horn structure | |
| JP3951838B2 (en) | Speaker | |
| CN103260119B (en) | The thin speaker of low distortion | |
| CN208638575U (en) | A kind of sound film and the microphone device including the sound film | |
| CN210609675U (en) | Internal magnetic circuit structure, loudspeaker and electronic equipment | |
| CN208143481U (en) | A kind of electrostatic electroacoustic transducers | |
| CN205829995U (en) | Magnetic circuit system and apply the speaker of described magnetic circuit system | |
| CN206585753U (en) | A kind of loudspeaker | |
| CN105142084A (en) | Panel loudspeaker | |
| CN206559634U (en) | Microspeaker and the electronic installation comprising the Microspeaker | |
| CN208638653U (en) | A kind of sound film, the microphone device including the sound film | |
| CN205670838U (en) | The double Magnet speaker of symmetrical expression | |
| CN218124921U (en) | R intra-annular oblique loudspeaker | |
| CN218416673U (en) | Loudspeaker | |
| CN217486646U (en) | Vibration structure for loudspeaker, external magnetic loudspeaker and internal magnetic loudspeaker | |
| CN204598300U (en) | Double voice coil drives panel speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |