CN208402121U - A kind of novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device - Google Patents
A kind of novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device Download PDFInfo
- Publication number
- CN208402121U CN208402121U CN201821188422.6U CN201821188422U CN208402121U CN 208402121 U CN208402121 U CN 208402121U CN 201821188422 U CN201821188422 U CN 201821188422U CN 208402121 U CN208402121 U CN 208402121U
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- CN
- China
- Prior art keywords
- iron plate
- magnetic module
- main
- circuit device
- magnet steel
- Prior art date
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- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model proposes a kind of novel magnetic circuit devices, including main magnetic module and secondary magnetic module, main magnetic module is fixed on bottom in the central cavity of U iron by bonding way, secondary magnetic module is fixed on above main magnetic module by bonding way, main magnetic module includes the first iron plate, main magnet steel, the second iron plate, and secondary magnetic module includes secondary magnet steel, third iron plate.The novel magnetic circuit device of the utility model is combined using main magnetic module and secondary magnetic module, greatly strengthen the intensity in magnetic field, sensitivity is improved, and magnetic circuit is small in size, not will increase loudspeaker overall volume, magnetic flux leakage is small, component around will not be had an impact, do not influence it is existing install and use, be all made of common element, it is at low cost, but the more existing loudspeaker of sensitivity has very big promotion.
Description
Technical field
The utility model belongs to acoustic-electric conversion art, especially a kind of novel magnetic circuit device and loudspeaker.
Background technique
Loudspeaker as convert electrical energy into sound can usual acoustic power conversion device, played in sound place system can not or
Scarce effect.Loudspeaker is one of the device an of most critical in sound place system, and for sound puts effect, it is one again
A most important component.Loudspeaker it is many kinds of, audio electric energy makes diaphragm oscillations simultaneously by electromagnetism, piezoelectricity or electrostatic effect
Resonance (sympathetic response) is generated with the air of surrounding and is made a sound.
The advantages of existing internal magnetic loudspeaker is that magnetic flux leakage is small, and magnetic circuit is small in size, but magnetic field strength is small, so as to cause product
Sensitivity is lower.
Utility model content
The technical issues of the utility model is solved is to provide a kind of novel magnetic circuit device, using main magnetic module and secondary magnetic
Module combines, and effectively improves the sensitivity of loudspeaker, and proposes a kind of loudspeaker, and aforementioned New Magnetic Field Controlled is equipped in the loudspeaker
Road device.
Realize the technical solution of the utility model aim are as follows:
A kind of novel magnetic circuit device, including main magnetic module and secondary magnetic module, main magnetic module are fixed on U iron by bonding way
Central cavity in bottom, secondary magnetic module is fixed on above main magnetic module by bonding way, is surrounded with outside secondary magnetic module
Metallic support, metallic support are connect with U iron；
Wherein, main magnetic module includes the first iron plate, main magnet steel, the second iron plate, main magnet steel is fixed be bonded in the first iron plate and
Between second iron plate, and the first iron plate is located at the lower section of main magnet steel；Secondary magnetic module includes secondary magnet steel, third iron plate, third iron plate
The fixed top for being bonded in secondary magnet steel；And the polarity of the end of secondary magnet steel connection third iron plate connect the first iron plate with main magnet steel
End polarity it is identical.
Further, the novel magnetic circuit device of the utility model, the polarity that main magnet steel connects the end of the first iron plate is S
Pole, the polarity for connecting the end of the second iron plate is the pole N, and the polarity of the end of secondary magnet steel connection third iron plate is the pole S.
Further, the height of the novel magnetic circuit device of the utility model, main magnetic module is identical as the height of U iron.
Further, the novel magnetic circuit device of the utility model, metallic support are retort stand.
Further, the novel magnetic circuit device of the utility model further includes setting main magnetic module and secondary magnetic modular peripheral,
The voice coil enclosed in U iron and metallic support.
A kind of loudspeaker, including any of the above-described novel magnetic circuit device.
The utility model compared with the prior art by using the above technical solution, has following technical effect that
1, the novel magnetic circuit device of the utility model is combined using main magnetic circuit and secondary magnetic circuit, greatly strengthens the strong of magnetic field
Degree, improves sensitivity；
2, the novel magnetic circuit device magnetic circuit of the utility model is small in size, and increased structure is small, not will increase loudspeaker entirety
Volume does not influence existing install and use；
3, the novel magnetic circuit device of the utility model uses common element, at low cost, but the more existing loudspeaking of sensitivity
Device has very big promotion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device of the utility model.
Appended drawing reference meaning: 1: the first iron plate, 2: main magnet steel, 3: the second iron plates, 4: secondary magnet steel, 5: third iron plate, 6:U
Iron, 7: metallic support, 8: voice coil.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and cannot be construed to practical to this
Novel limitation.
A kind of novel magnetic circuit device, as shown in Figure 1, including main magnetic module and secondary magnetic module, main magnetic module passes through bonding side
Formula is fixed on bottom in the central cavity of U iron 6, and the height of main magnetic module is identical as the height of U iron 6, and secondary magnetic module passes through bonding
Mode is fixed on above main magnetic module, is surrounded with retort stand outside secondary magnetic module, retort stand is connect with U iron 6.
Wherein, main magnetic module includes the first iron plate 1, main magnet steel 2, the second iron plate 3, and the main fixation of magnet steel 2 is bonded in the first iron
Between piece 1 and the second iron plate 3, and the first iron plate 1 is located at the lower section of main magnet steel 2；Secondary magnetic module includes secondary magnet steel 4, third iron plate
5, the fixed top for being bonded in secondary magnet steel 4 of third iron plate 5.The polarity that main magnet steel 2 connects the end of the first iron plate 1 is the pole S, connection
The polarity of the end of second iron plate 3 is the pole N, and the polarity that secondary magnet steel 4 connects the end of third iron plate 5 is the pole S.
This structure of this programme not will increase the external volume of magnetic circuit device not only, will not increase the body of loudspeaker
Product is avoided generating interference with other parts in assembly using the loudspeaker of novel magnetic circuit device or be hindered.And in the prior art
The general magnetic field strength for increasing magnetic gap using the volume for increasing magnet steel, so that loudspeaker overall volume increases, not only
Cost greatly increases, and be easy to cause the assembly that other parts are influenced in the assembling process of loudspeaker.This programme uses two
Block magnet steel simultaneously presss from both sides upper iron plate with both ends therebetween, so that the magnetic loop collective effect of two blocks of magnet steel, is obviously improved magnetic gap
Magnetic field strength.
The setting of voice coil 8 is enclosed in main magnetic module and secondary magnetic modular peripheral, U iron 6 and metallic support 7.
The utility model also proposes a kind of loudspeaker, including above-mentioned novel magnetic circuit device.
The novel magnetic circuit device and loudspeaker of this programme greatly strengthen magnetic circuit under the premise of not increasing overall volume
Magnetic field strength, avoid increase volume, increase weight, improve cost, influence assembly,
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement should be regarded as this
The protection scope of utility model.
Claims (6)
1. a kind of novel magnetic circuit device, which is characterized in that including main magnetic module and secondary magnetic module, main magnetic module passes through bonding way
It is fixed on bottom in the central cavity of U iron (6), secondary magnetic module is fixed on above main magnetic module by bonding way, secondary magnetic module
It is surrounded with metallic support (7) outside, metallic support (7) is connect with U iron (6)；
Wherein, main magnetic module includes the first iron plate (1), main magnet steel (2), the second iron plate (3), and main magnet steel (2) is fixed to be bonded in the
Between one iron plate (1) and the second iron plate (3), and the first iron plate (1) is located at the lower section of main magnet steel (2)；Secondary magnetic module includes secondary magnetic
Steel (4), third iron plate (5), the fixed top for being bonded in secondary magnet steel (4) of third iron plate (5)；And secondary magnet steel (4) connects third
The polarity of the end of iron plate (5) is identical as main magnet steel (2) the connection polarity of end of the first iron plate (1).
2. novel magnetic circuit device according to claim 1, which is characterized in that the end of main magnet steel (2) connection the first iron plate (1)
The polarity in portion is the pole S, and the polarity for connecting the end of the second iron plate (3) is the pole N, the end of secondary magnet steel (4) connection third iron plate (5)
Polarity be the pole S.
3. novel magnetic circuit device according to claim 1, which is characterized in that the height of main magnetic module and the height of U iron (6)
It is identical.
4. novel magnetic circuit device according to claim 1, which is characterized in that metallic support (7) is retort stand.
5. novel magnetic circuit device according to claim 1, which is characterized in that further include setting in main magnetic module and secondary magnetic mould
The voice coil (8) enclosed in block periphery, U iron (6) and metallic support (7).
6. a kind of loudspeaker, which is characterized in that including novel magnetic circuit device any in Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188422.6U CN208402121U (en) | 2018-07-26 | 2018-07-26 | A kind of novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821188422.6U CN208402121U (en) | 2018-07-26 | 2018-07-26 | A kind of novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208402121U true CN208402121U (en) | 2019-01-18 |
Family
ID=65129017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821188422.6U Expired - Fee Related CN208402121U (en) | 2018-07-26 | 2018-07-26 | A kind of novel magnetic circuit device and the loudspeaker for being equipped with the magnetic circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208402121U (en) |
-
2018
- 2018-07-26 CN CN201821188422.6U patent/CN208402121U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200728 Address after: Building 16, Chuangye Park, yongyang Town, Lishui District, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing wenle Acoustic Technology Co.,Ltd. Address before: 211200 Pioneer Park, Yongyang Town, Lishui District, Nanjing City, Jiangsu Province, 16 Patentee before: NANJING WANFU ELECTROACOUSTIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |