CN204482033U - Two magnet strong magnetic high performance flat loud speaker - Google Patents
Two magnet strong magnetic high performance flat loud speaker Download PDFInfo
- Publication number
- CN204482033U CN204482033U CN201520146352.8U CN201520146352U CN204482033U CN 204482033 U CN204482033 U CN 204482033U CN 201520146352 U CN201520146352 U CN 201520146352U CN 204482033 U CN204482033 U CN 204482033U
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- China
- Prior art keywords
- magnet
- washer
- voice coil
- loud speaker
- high performance
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of two magnet strong magnetic high performance flat loud speaker, belong to electro-acoustic product technical field.It comprises frame, vibrating diaphragm, voice coil loudspeaker voice coil and magnetic circuit component, described magnetic circuit component comprises washer and magnet, described vibrating diaphragm comprise taper trunk and around the rectangular outstanding limit being arranged on described trunk outer rim, described magnet comprises external magnet and the movable internal magnet be located in described external magnet, and described washer comprises the first washer and the second washer of being located at the upper and lower two ends of described external magnet.The utility model structural design is simple, easy to assembly, audio distortions degree is little, acoustical quality good.
Description
Technical field
The utility model belongs to electro-acoustic product technical field, more particularly, relates to a kind of two magnet strong magnetic high performance flat loud speaker.
Background technology
The effect of loud speaker (loudspeaker) is the electric signal amplifier, the mechanical oscillation of conversion vibrating diaphragm, and then makes ambient air produce the change of density, and thus making sound wave change and sounding, is a kind of transducer converting electric energy to acoustic energy.
The loud speaker of prior art comprises frame, at frame inner bottom part, U-shaped or T-shaped iron are installed, magnet, washer, voice coil loudspeaker voice coil, vibrating diaphragm, packing ring, terminal, bullet ripple and dust cap is up put into successively in U-iron, wherein, lower magnet, washer and magnet are bonding to each other, and voice coil loudspeaker voice coil is arranged at the pore location playing ripple, and the mesopore of vibrating diaphragm is stretched out on the top of voice coil loudspeaker voice coil, establish dust cap at the top end cover of voice coil loudspeaker voice coil, terminal is connected with frame.Be the magnetic structure of single magnet due to what adopt, when loud speaker limited width, its performance is restricted, and sensitivity is also restricted.
Therefore, be necessary to design the panel computer electronic product of the high performance loud speaker of a kind of strong magnetic for small volume.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of two magnet strong magnetic high performance flat loud speaker, and its volume is little, acoustical quality good, is suitable for dull and stereotyped TV product and the use of other portable sound products.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
A kind of two magnet strong magnetic high performance flat loud speaker, comprise frame, vibrating diaphragm, voice coil loudspeaker voice coil and magnetic circuit component, described magnetic circuit component comprises washer and magnet, described vibrating diaphragm comprise taper trunk and around the rectangular outstanding limit being arranged on described trunk outer rim, described magnet comprises external magnet and the movable internal magnet be located in described external magnet, and described washer comprises the first washer and the second washer of being located at the upper and lower two ends of described external magnet.
Compared to prior art, the beneficial effect of the two magnet strong magnetic high performance flat loud speaker of the utility model is:
Making ferromagnetic double magnetic circuit parts by arranging interior external magnet with two washer, reducing the height of loud speaker, also enhancing the vibrational energy of vibrating diaphragm simultaneously, effectively can improve the sensitivity of loud speaker; Rectangular vibrating diaphragm is adopted to be more suitable for the narrow limit demand of flat-panel electronic product; Its structural design is simple, easy to assembly, audio distortions degree is little, acoustical quality good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 2 is the structural representation of the vibrating diaphragm of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 3 is the mounting structure schematic diagram of the voice coil loudspeaker voice coil of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 4 is the structural representation of the frame of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 5 is the structural representation of the locating piece of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 6 is the structural representation of the magnetic circuit component of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 7 is the explosive view of the magnetic circuit component of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Fig. 8 is the structural representation of the voice coil loudspeaker voice coil of the two magnet strong magnetic high performance flat loud speaker of the utility model.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.
As shown in Figures 1 to 8, a kind of two magnet strong magnetic high performance flat loud speaker, comprise frame 2, vibrating diaphragm 1, voice coil loudspeaker voice coil 3 and magnetic circuit component, magnetic circuit component comprises washer and magnet, vibrating diaphragm 1 comprise taper trunk 101 and around the rectangular outstanding limit 102 being arranged on trunk 101 outer rim, trunk 101 adopts the PEN(polyethylene terephthalate of rigidity) material making, outstanding limit 102 adopts flexible material to make, and outstanding limit 102 is fitted in the edge of trunk 101 by modes such as hot pressing, in loud speaker voice coil loudspeaker voice coil 3 effect under, trunk 101 can repeatedly vibrate by the flexibility on outstanding limit and produce sound.Magnet comprises external magnet 6 and the movable internal magnet 8 be located in external magnet 6, washer comprises the first washer 7 and the second washer being located at external magnet about 6 two ends, during assembling, utilize magnetic rule and glue external magnet 6, internal magnet 8, first washer 7 and the second washer to be adhesively fixed, be made into ferromagnetic magnetic circuit component.
External magnet 6 is circular circulus, and internal magnet 8 is cylinder type structure, and the diameter of external magnet 6 is greater than the diameter of internal magnet 8, but external magnet 6 is identical with the thickness of internal magnet 8.First washer 7 is circular laminated structure, and its diameter is identical with the diameter of external magnet 6, and the first washer 7 is located at the lower end of external magnet 6.Second washer is located at the upper end of external magnet 6, the interior washer 4 that the second washer comprises outer washer 5 and is located in outer washer 5, and outer washer 5 is the loop configuration of sheet, and interior washer 4 is the circular configuration of sheet; The sectional dimension size of outer washer 5 is identical with external magnet 6, and the diameter of interior washer 4 is identical with internal magnet 8.Voice coil loudspeaker voice coil 3 is circular ring type structure.Frame 2 comprise rectangle plate body 201, be located at plate body 201 upper end for installing the groove 202 of vibrating diaphragm 1 and being fixed on groove 202 lower end for installing the locating piece 205 of voice coil loudspeaker voice coil 3 and magnetic circuit component.The shape of groove 202 is identical with the shape of vibrating diaphragm 1; Locating piece 205 is circular configuration, and have circular through hole in the middle part of it, voice coil loudspeaker voice coil 3 and magnetic circuit component are located in through hole; Reinforcement 204 is also connected with between locating piece 205 and plate body 201.
The utility model is applicable to make long 45mm, wide 18mm, highly at the square horn of 9mm, total harmonic distortion can reach 300Hz, and sensitivity can reach: 82dB/1w/0.5m.
Schematically above be described the utility model and execution mode thereof, this description does not have restricted, and also just one of the execution mode of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (7)
1. a two magnet strong magnetic high performance flat loud speaker, comprise frame, vibrating diaphragm, voice coil loudspeaker voice coil and magnetic circuit component, described magnetic circuit component comprises washer and magnet, described vibrating diaphragm comprise taper trunk and around the rectangular outstanding limit being arranged on described trunk outer rim, it is characterized in that: described magnet comprises external magnet and the movable internal magnet be located in described external magnet, and described washer comprises the first washer and the second washer of being located at the upper and lower two ends of described external magnet.
2. two magnet strong magnetic high performance flat loud speaker as claimed in claim 1, is characterized in that: described external magnet is circular circulus, and described internal magnet is cylinder type structure.
3. two magnet strong magnetic high performance flat loud speaker as claimed in claim 1, is characterized in that: described first washer is circular configuration, and its diameter is identical with the diameter of described external magnet, and described first washer is located at the lower end of described external magnet.
4. two magnet strong magnetic high performance flat loud speaker as claimed in claim 1, it is characterized in that: described second washer is located at the upper end of described external magnet, described second washer comprises outer washer and is located at the interior washer in described outer washer, described outer washer is the loop configuration of sheet, and described interior washer is the circular configuration of sheet; The sectional dimension size of described outer washer is identical with described external magnet, and the diameter of described interior washer is identical with described internal magnet.
5. two magnet strong magnetic high performance flat loud speaker as claimed in claim 1, is characterized in that: described voice coil loudspeaker voice coil is circular ring type structure.
6. magnet strong magnetic high performance flat loud speaker as claimed in claim 1 two, is characterized in that: described frame comprise rectangle plate body, be located at described plate body upper end for installing the groove of described vibrating diaphragm and being fixed on described groove lower end for installing the locating piece of described voice coil loudspeaker voice coil and described magnetic circuit component.
7. two magnet strong magnetic high performance flat loud speaker as claimed in claim 6, is characterized in that: the shape of described groove is identical with the shape of described vibrating diaphragm; Described locating piece is circular configuration, and have circular through hole in the middle part of it, described voice coil loudspeaker voice coil and described magnetic circuit component are located in described through hole; Also reinforcement is connected with between described locating piece and described plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146352.8U CN204482033U (en) | 2015-03-13 | 2015-03-13 | Two magnet strong magnetic high performance flat loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520146352.8U CN204482033U (en) | 2015-03-13 | 2015-03-13 | Two magnet strong magnetic high performance flat loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204482033U true CN204482033U (en) | 2015-07-15 |
Family
ID=53637802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520146352.8U Expired - Fee Related CN204482033U (en) | 2015-03-13 | 2015-03-13 | Two magnet strong magnetic high performance flat loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204482033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161241A1 (en) * | 2017-03-07 | 2018-09-13 | 声电电子科技(惠州)有限公司 | Dual top plate miniature speaker |
-
2015
- 2015-03-13 CN CN201520146352.8U patent/CN204482033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018161241A1 (en) * | 2017-03-07 | 2018-09-13 | 声电电子科技(惠州)有限公司 | Dual top plate miniature speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 |