CN205545897U - Bugle speaker optical pickup head - Google Patents
Bugle speaker optical pickup head Download PDFInfo
- Publication number
- CN205545897U CN205545897U CN201620027683.4U CN201620027683U CN205545897U CN 205545897 U CN205545897 U CN 205545897U CN 201620027683 U CN201620027683 U CN 201620027683U CN 205545897 U CN205545897 U CN 205545897U
- Authority
- CN
- China
- Prior art keywords
- circuit group
- magnetic circuit
- magnetic
- magnetic conduction
- 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
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to a bugle speaker optical pickup head, include apron, magnetic circuit group, voice coil loudspeaker voice coil, vibrating diaphragm piece, support and upper cover plate down, be provided with the step hole down in the middle of the apron, magnetic circuit group tight fit is in step hole downthehole greatly, magnetic circuit group is including the magnetism neodymium iron boron that excels in, magnetic conduction china department piece, magnetic conduction U sections, and in the middle of the magnetism neodymium iron boron that excels in lay in magnetic conduction U sections, the piece setting of magnetic conduction china department was on the magnetism neodymium iron boron that excels in, magnetic conduction U sections top is equipped with the support, the vibrating diaphragm piece sets up on the support, on the surface at vibrating diaphragm piece lower part cylinder face to it extends the bugle speaker optical pickup head outside to be equipped with two wiring ends, the whole T type that is in upper cover plate cross -section is equipped with vocal cavity in the less drum in upper portion, use the screw fixation between upper cover plate and the lower apron. It is good that it has a heat dispersion, and magnetic circuit group is not fragile, small, sensitivity is high, structure scientific and reasonable, the simple and extensive applicability's of process advantage, can change the sound characteristic with the size through the vocal cavity structures of adjustment.
Description
Technical field
This utility model relates to a kind of loudspeaker techniques field, particularly a kind of bugle loudspeaker sound head.
Background technology
Bugle loudspeaker is the commonly used product of daily life, and sound head, as the core component in bugle loudspeaker, directly determines to pass
The performance index of sound device, magnetic circuit group many employings ferrite structure of existing sound head, owing to flux density is low, the structural volume of sound head
It is made bigger, and the audio can made under unit volume is low.
Summary of the invention
This utility model uses ferrite structure for existing sound head, and owing to flux density is low, the structural volume of sound head is made and compares
Greatly, the audio that and can make under unit volume is low waits deficiency, it is provided that a kind of perfect heat-dissipating, length in service life and rational in infrastructure
Sound head.
The technical solution of the utility model is:
A kind of bugle loudspeaker sound head, including lower cover, magnetic circuit group, voice coil loudspeaker voice coil, vibrating diaphragm sheet, support and upper cover plate, described lower cover
Being provided with stepped hole in the middle of plate, the macropore of described stepped hole mates with described magnetic circuit group, and magnetic circuit group is arranged on the big of described stepped hole
In hole；Magnetic circuit group top is provided with support, and described vibrating diaphragm sheet is arranged on above support, and vibrating diaphragm sheet includes top arc surface and bottom
Barrel surface, bottom barrel surface parcel magnetic conduction washer sheet；Described voice coil loudspeaker voice coil is arranged on the top of magnetic circuit group, is wound on vibrating diaphragm sheet bottom cylinder
On the outer surface in face, and it is provided with two terminals and extends bugle loudspeaker sound head outer surface；Described upper cover plate cross section is overall in type,
It is provided with sounding cavity in the cylinder that top is less, sound property can be changed by adjusting cavity body structure and size.
Further illustrating as this utility model, described magnetic circuit group includes high-strength magnetic neodymium iron boron, magnetic conduction washer sheet and the U-shaped ferrum of magnetic conduction,
High-strength magnetic neodymium iron boron is positioned in the middle of the U-shaped ferrum of magnetic conduction, and magnetic conduction washer sheet is arranged on above high-strength magnetic neodymium iron boron.
Further, described lower cover periphery is provided with heat radiation fin.
Further, described upper cover plate and lower cover are plastic material, are screwed connection.
Further, described magnetic circuit group is tight fit with the coordinating of macropore of described stepped hole, it is not necessary to bonding with bonding agent.
Advantage of the present utility model:
(1) this utility model perfect heat-dissipating, magnetic circuit group is hardly damaged, and service life is long.
(2) this utility model magnetic circuit group uses high-strength magnetic neodymium iron boron, and volume is little, highly sensitive.
(3) of the present utility model scientific and reasonable for structure, eliminate multiple tracks bonding process.
(4) this utility model upper cover plate is provided with sounding cavity, can change sound property by adjusting cavity body structure and size.
Accompanying drawing explanation
Fig. 1 is this utility model front elevational schematic；
Fig. 2 is this utility model structure cross-sectional schematic；
Reference: lower cover 1, magnetic circuit group 2, voice coil loudspeaker voice coil 3, vibrating diaphragm sheet 4, stepped hole 5, support 6, screw 7, upper cover plate
8。
Detailed description of the invention
Embodiment:
A kind of bugle loudspeaker sound head, including lower cover 1, magnetic circuit group 2, voice coil loudspeaker voice coil 3, vibrating diaphragm sheet 4, support 6 and upper cover plate 8,
Being provided with stepped hole 5 in the middle of described lower cover 1, the macropore of described stepped hole 5 mates with described magnetic circuit group 2, and magnetic circuit group 2 is tight
Coordinating in the macropore of described stepped hole 5, magnetic circuit group 2 structure includes high-strength magnetic neodymium iron boron, magnetic conduction washer sheet, the U-shaped ferrum of magnetic conduction,
High-strength magnetic neodymium iron boron is positioned in the middle of the U-shaped ferrum of magnetic conduction, and magnetic conduction washer sheet is arranged on above high-strength magnetic neodymium iron boron；Above the U-shaped ferrum of magnetic conduction
Being provided with support 6, described vibrating diaphragm sheet 4 is arranged on above support 6, and vibrating diaphragm sheet 4 includes top arc surface and bottom barrel surface,
Bottom barrel surface parcel magnetic conduction washer sheet；Described voice coil loudspeaker voice coil 3 is arranged on the top of magnetic circuit group 2, is wound on vibrating diaphragm sheet 4 bottom barrel surface
Outer surface on, and be provided with two terminals and extend outside bugle loudspeaker sound head；Described upper cover plate 8 cross section entirety is T-shaped,
It is provided with sounding cavity in the cylinder that top is less, sound property can be changed by adjusting cavity body structure and size；Upper cover plate 8 with
Fix with screw 7 between lower cover 1.
The foregoing is only better embodiment of the present utility model, this utility model is not limited to above-mentioned embodiment, in reality
The most small structural modification in local is there may be, if to various changes of the present utility model or modification without departing from this practicality during executing
Novel spirit and scope, and within the scope of belonging to claim of the present utility model and equivalent technologies, then this utility model is also anticipated
Figure comprises these and changes and modification.
Claims (5)
1. a bugle loudspeaker sound head, it is characterised in that: include lower cover, magnetic circuit group, voice coil loudspeaker voice coil, vibrating diaphragm sheet, support and on
Cover plate, is provided with stepped hole in the middle of described lower cover, the macropore of described stepped hole mates with described magnetic circuit group, and magnetic circuit group is arranged on
In the macropore of described stepped hole；Magnetic circuit group top is provided with support, and described vibrating diaphragm sheet is arranged on above support, and vibrating diaphragm sheet includes
Portion's arc surface and bottom barrel surface, bottom barrel surface parcel magnetic conduction washer sheet；Described voice coil loudspeaker voice coil is arranged on the top of magnetic circuit group, is wound on
On the outer surface of vibrating diaphragm sheet bottom barrel surface, and it is provided with two terminals and extends bugle loudspeaker sound head outer surface；Described upper cover
Plate cross section is overall in type, is provided with sounding cavity in the cylinder that top is less.
Bugle loudspeaker sound head the most according to claim 1, it is characterised in that: described magnetic circuit group include high-strength magnetic neodymium iron boron,
Magnetic conduction washer sheet and the U-shaped ferrum of magnetic conduction, high-strength magnetic neodymium iron boron is positioned in the middle of the U-shaped ferrum of magnetic conduction, and magnetic conduction washer sheet is arranged on high-strength magnetic neodymium
Above ferrum boron.
Bugle loudspeaker sound head the most according to claim 1 and 2, it is characterised in that: described lower cover periphery is provided with heat radiation
Fin.
Bugle loudspeaker sound head the most according to claim 3, it is characterised in that: described upper cover plate and lower cover are plastics material
Matter, is screwed connection.
Bugle loudspeaker sound head the most according to claim 3, it is characterised in that: described magnetic circuit group is big with described stepped hole
The cooperation in hole is tight fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027683.4U CN205545897U (en) | 2016-01-11 | 2016-01-11 | Bugle speaker optical pickup head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620027683.4U CN205545897U (en) | 2016-01-11 | 2016-01-11 | Bugle speaker optical pickup head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545897U true CN205545897U (en) | 2016-08-31 |
Family
ID=56764537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620027683.4U Expired - Fee Related CN205545897U (en) | 2016-01-11 | 2016-01-11 | Bugle speaker optical pickup head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205545897U (en) |
-
2016
- 2016-01-11 CN CN201620027683.4U patent/CN205545897U/en not_active Expired - Fee Related
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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: 20160831 Termination date: 20190111 |