CN2461233Y - Plane type loudspeaker - Google Patents
Plane type loudspeaker Download PDFInfo
- Publication number
- CN2461233Y CN2461233Y CN 01201578 CN01201578U CN2461233Y CN 2461233 Y CN2461233 Y CN 2461233Y CN 01201578 CN01201578 CN 01201578 CN 01201578 U CN01201578 U CN 01201578U CN 2461233 Y CN2461233 Y CN 2461233Y
- Authority
- CN
- China
- Prior art keywords
- magnetic pole
- voice coil
- annular magnet
- outer magnetic
- vibrating diaphragm
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a flat-plate type loudspeaker, which comprises an inner magnetic pole, an outer magnetic pole, an annular magnet, a vibration diaphragm, a speech coil and a frame. The utility model is characterized in that the annular magnet is arranged between the inner magnetic pole and the outer magnetic pole, and the annular magnet, the inner magnetic pole and the outer magnetic pole are fixed in a concentric circle method and are provided with a central through hole. The outer wall of the outer magnetic pole is fixed with the frame, and the end surface of the frame is glued with the vibration diaphragm. A magnetic gap is maintained at the match and connection point of the end surfaces of the inner magnetic pole and the outer magnetic pole. One end of the speech coil is glued on the vibration diaphragm, and the other end is inserted into the magnetic gap. The utility model has the advantages of small size, simple structure, convenient assembly, large output power and easy mass production.
Description
The utility model relates to household electrical appliance technical field, relates in particular to loud speaker.
In the prior art. traditional supersound projector cone is taper, and the magnetic cylinder diameter is little, and is highly bigger, and in the time of therefore will packing it into audio amplifier, audio amplifier must be done very thickly, could guarantee its sympathetic response effect, exists both sides of occupation of land, owes refined shortcoming again.Chinese patent ZL92222655.5 for this reason, the patented technology that a kind of name is called " Ultrathin speaker " is disclosed, its basic structure is to adopt the middle part of flattened round magnetic cylinder to be provided with perforate, two annular magnets are placed in the magnetic cylinder with one heart, the bottom rear plate is an annular iron plate, makes magnet owing to magnetic attraction is fixed onboard, and the magnet top is two annular iron plates, form little magnetic gap between the iron plate, base circle iron plate cements in frame.Though it has solved the problem of audio amplifier volume-diminished, because material was limit at that time, this patented technology exists following deficiency: 1, and field structure is comparatively complicated, has relatively high expectations for assembly precision.2, what magnet adopted is common ferrite magnetic material, the magnetic force deficiency.Influenced the power output of audio amplifier.
At problems of the prior art and deficiency, goal of the invention of the present utility model provides the flat panel speaker that a kind of volume is little, simple in structure, easy to assembly, power output is big.
In order to reach above-mentioned goal of the invention, the technical solution of the utility model realizes in the following way:
Flat panel speaker, it comprises internal magnetic pole, outer magnetic pole, annular magnet, vibrating diaphragm, voice coil loudspeaker voice coil and framework.Its design feature is, described annular magnet places among internal magnetic pole and the outer magnetic pole, and the three fixes and offer central through hole in the concentric circles mode.Outer magnetic pole outer wall and frame fixation, the bonding vibrating diaphragm of framework end face.Internal magnetic pole and the outer magnetic pole end face place of being connected leave magnetic gap.One end of voice coil loudspeaker voice coil is bonded on the vibrating diaphragm, and the other end inserts in the magnetic gap.
According to above-mentioned technical scheme, described vibrating diaphragm is to be made by the rigid foam plate; Described annular magnet is to be made by ndfeb magnet.
The utility model has adopted monocycle shape magnet to place among internal magnetic pole and the outer magnetic pole, and ringshaped magnet adopts the ndfeb magnet material to make.Compare with prior art, the utlity model has following advantage: 1, field structure is simple, assembles very conveniently, and thickness can further dwindle.2, magnetic force improves, and power can be done very greatly.3, simplified manufacture craft, be easy to produce in batches.
Below in conjunction with accompanying drawing and concrete execution mode the utility model is described further.
Accompanying drawing is the utility model structural profile schematic diagram.
Referring to accompanying drawing, flat panel speaker comprises internal magnetic pole 2, outer magnetic pole 1, annular magnet 3, vibrating diaphragm 4, voice coil loudspeaker voice coil 5 and framework 6.Vibrating diaphragm 4 is to be made by the rigid foam plate.Annular magnet 3 is that ndfeb magnet is made.Annular magnet 3 places among internal magnetic pole 2 and the outer magnetic pole 1, and the three fixes and offer central through hole 7 in the concentric circles mode.Through hole 7 is in order to reduce the air pressure damping that produces when vibrating diaphragm 4 moves.Outer magnetic pole 1 outer wall and framework 6 are fixing, the bonding vibrating diaphragm 4 of framework 6 end faces.Internal magnetic pole 2 leaves magnetic gap 8 with the outer magnetic pole 1 end face place of being connected.One end of voice coil loudspeaker voice coil 5 is bonded on the vibrating diaphragm 4, and the other end inserts in the magnetic gap 8.
When voice coil loudspeaker voice coil 5 passed through tone currents, under the action of a magnetic field, voice coil loudspeaker voice coil 5 drove vibrating diaphragms 4 and vibrates, and promotes air and sounds.
Claims (3)
1, a kind of flat panel speaker, it comprises internal magnetic pole (2), outer magnetic pole (1), annular magnet (3), vibrating diaphragm (4), voice coil loudspeaker voice coil (5) and framework (6), it is characterized in that, described annular magnet (3) places among internal magnetic pole (2) and the outer magnetic pole (1), the three fixes and offers central through hole (7) in the concentric circles mode, outer magnetic pole (1) outer wall and framework (6) are fixing, the bonding vibrating diaphragm of framework (6) end face (4), internal magnetic pole (2) leaves magnetic gap (8) with outer magnetic pole (1) the end face place of being connected, one end of voice coil loudspeaker voice coil (5) is bonded on the vibrating diaphragm (4), and its other end inserts in the magnetic gap (8).
According to the described flat panel speaker of claim 1, it is characterized in that 2, described vibrating diaphragm (4) is to be made by the rigid foam plate.
According to claim 1 or 2 described flat panel speakers, it is characterized in that 3, described annular magnet (3) is to be made by ndfeb magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201578 CN2461233Y (en) | 2001-01-19 | 2001-01-19 | Plane type loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01201578 CN2461233Y (en) | 2001-01-19 | 2001-01-19 | Plane type loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2461233Y true CN2461233Y (en) | 2001-11-21 |
Family
ID=33623569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01201578 Expired - Fee Related CN2461233Y (en) | 2001-01-19 | 2001-01-19 | Plane type loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2461233Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN106162457A (en) * | 2016-07-11 | 2016-11-23 | 深圳天珑无线科技有限公司 | Speaker and mobile device |
-
2001
- 2001-01-19 CN CN 01201578 patent/CN2461233Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN106162457A (en) * | 2016-07-11 | 2016-11-23 | 深圳天珑无线科技有限公司 | Speaker and mobile device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |