CN209497594U - Band magnetic circuit increases powerful coil-moving speaker - Google Patents
Band magnetic circuit increases powerful coil-moving speaker Download PDFInfo
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- CN209497594U CN209497594U CN201920386850.8U CN201920386850U CN209497594U CN 209497594 U CN209497594 U CN 209497594U CN 201920386850 U CN201920386850 U CN 201920386850U CN 209497594 U CN209497594 U CN 209497594U
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- magnet steel
- clamping plate
- iron
- magnetic circuit
- frame
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Abstract
The utility model discloses a kind of band magnetic circuits to increase powerful coil-moving speaker, including the frame mutually fastened and sound basin, voice coil is equipped in frame, bullet wave is cased with outside voice coil, dust cover is stamped after running through sound basin in the top of the voice coil, pcb plate is equipped in the side of frame, the pcb plate is connected with plug connector by two output lines, the barrel groove extended downwardly is equipped in frame, U iron is equipped in barrel groove, the first magnet steel is equipped in the lower section of U iron, clamping plate is equipped on the first magnet steel, the second magnet steel is equipped on clamping plate, and the S of first magnet steel and the second magnet steel is extremely arranged towards clamping plate, and first magnet steel, the total height of clamping plate and the second magnet steel is lower than U iron, first magnet steel, there are spacing between U iron for clamping plate and the second magnet steel, first magnet steel, clamping plate and the second magnet steel and U iron Between constitute polar repulsion enhanced magnetic circuit, and the enhanced magnetic circuit be located at voice coil mesoporous lower section.This structure improves out audio fruit.
Description
Technical field
The utility model relates to a kind of technical field of loudspeaker, especially band magnetic circuit increases powerful moving-coil type loudspeaking
Device.
Background technique
In the prior art, when the working principle of coil-moving speaker is that stream has alternating current in the voice coil of loudspeaker, then root
According to left hand rule, driving force Bli is generated, pushes sound film compressed air to generate sound, but current coil-moving speaker is adopted
With about two pieces two panels magnetic conductive boards and an intermediate magnet, the rear profile that magnetizes is at magnetic loop, but due to above structure magnetic circuit list
One, cause magnetic circuit intensity not high, therefore it is poor to be easy to appear sound film vibrating effect, cause out sound it is bad, other current moving-coil type
Loadspeaker structure is complicated, so needing to improve.
Utility model content
A kind of band improving magnetic intensity is provided purpose of the utility model is to solve above-mentioned the deficiencies in the prior art
Magnetic circuit increases powerful coil-moving speaker.
To achieve the goals above, band magnetic circuit designed by the utility model increases powerful coil-moving speaker, including
The frame and sound basin mutually fastened is equipped with voice coil in frame, and bullet wave is cased with outside the voice coil, and sound is run through in the top of the voice coil
It is stamped dust cover after basin, is equipped with pcb plate in the side of frame, the pcb plate is connected with plug connector by two output lines, in basin
It is equipped with the barrel groove extended downwardly in frame, U iron is equipped in barrel groove, is equipped with the first magnet steel in the lower section of U iron,
First magnet steel is equipped with clamping plate, the second magnet steel is equipped on clamping plate, and the S of first magnet steel and the second magnet steel is extremely towards folder
Plate setting, and the total height of first magnet steel, clamping plate and the second magnet steel is lower than U iron, and the first magnet steel, clamping plate and the second magnet steel
There are spacing between U iron, and the enhanced magnetic of polar repulsion is constituted between the first magnet steel, clamping plate and the second magnet steel and U iron
Road, and the enhanced magnetic circuit is located at below the mesoporous of voice coil.
Further, in order to improve fixed effect, the bulge loop extended to side, and the bulge loop card are equipped in the top of U iron
In in first groove on barrel groove top.
Further, sealing effect is improved, pad side is equipped in the top of sound basin and the junction of frame, is cased with outside pad side close
Seal.
The band magnetic circuit that the utility model obtains increases powerful coil-moving speaker, using two pieces of magnets, and by two blocks of magnetic
Iron uses opposed polarity directional combination, finally improves magnetic field strength, guarantees sound sound film vibrating effect out with this, guarantee audio out
Fruit, and integral structure layout is simpler.
Detailed description of the invention
Fig. 1 is a kind of Structure explosion diagram for increasing powerful coil-moving speaker with magnetic circuit in embodiment 1；
Fig. 2 is a kind of structure sectional view for increasing powerful coil-moving speaker with magnetic circuit of embodiment 1；
Fig. 3 is the curve synoptic diagram of enhanced magnetic circuit in embodiment 1；
Fig. 4 is the magnetic induction intensity schematic diagram of ventional loudspeakers in the prior art；
Fig. 5 is magnetic induction intensity schematic diagram in the present embodiment 1.
In figure: frame 1, sound basin 2, voice coil 3, play wave 4, dust cover 5, pcb plate 6, plug connector 7, barrel groove 8, U iron 9,
First magnet steel 10, clamping plate 11, the second magnet steel 12, enhanced magnetic circuit 13, bulge loop 14, the first groove 15, pad side 16, sealing ring 17.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment:
As shown in Figure 1 and Figure 2, a kind of band magnetic circuit provided in this embodiment increases powerful coil-moving speaker, including mutual
The frame 1 and sound basin 2 of fastening are equipped with voice coil 3 in frame 1, are cased with outside the voice coil 3 and play wave 4, the top of the voice coil 3 is passed through
It is stamped dust cover 5 after wearing sound basin 2, is equipped with pcb plate 6 in the side of frame 1, the pcb plate 6 is connected with slotting by two output lines
Fitting 7 is equipped with the barrel groove 8 extended downwardly in frame 1, U iron 9 is equipped in barrel groove 8, in the lower section of U iron 9
Equipped with the first magnet steel 10, it is equipped with clamping plate 11 on the first magnet steel 10, the second magnet steel 12, and first magnetic are equipped on clamping plate 11
The S of steel 10 and the second magnet steel 12 is extremely arranged towards clamping plate 11, and first magnet steel 10, clamping plate 11 and the second magnet steel 12 it is total
Height is lower than U iron 9, and the first magnet steel 10, clamping plate 11 and the second magnet steel 12 between U iron 9 there are spacing, the first magnet steel 10,
The enhanced magnetic circuit 13 of polar repulsion, and the enhanced magnetic circuit 13 are constituted between clamping plate 11 and the second magnet steel 12 and U iron 9
Below the mesoporous of voice coil 3.
Further, in order to improve fixed effect, the bulge loop 14 extended to side, and the bulge loop are equipped in the top of U iron 9
14 are stuck in first groove 15 on 8 top of barrel groove.
Further, sealing effect is improved, pad side 16 is equipped in the top of sound basin 2 and the junction of frame 1, outside pad side 16
It is cased with sealing ring 17, the sealing of sound basin 2 is pressed together in frame 1 by the cooperation of pad side 16 and sealing ring 17, it is final to improve sealing
Effect.
Setting in through this embodiment, and the pole S of the first magnet steel 10 is bonded with the lower surface of clamping plate 11, by the second magnetic
The pole S of steel 12 is bonded with the upper surface of clamping plate 11, constitutes the placement combination of two pieces of magnet steel opposed polarities, the magnetic constituted at this time
Therefore road curve is as shown in figure 3, utilize two pieces of magnets by above structure, and two blocks of magnet are used opposed polarity direction group
It closes, finally improves magnetic field strength, sound sound film vibrating effect out is guaranteed with this, guarantees audio fruit out.Pass through the clear table of data monitoring
Bright as shown in Figure 4, Figure 5, its magnetic field strength is stronger compared with prior art for this structure, and integral structure layout is simpler.
Claims (3)
1. a kind of band magnetic circuit increases powerful coil-moving speaker, including the frame (1) mutually fastened and sound basin (2), feature
It is: is equipped with voice coil (3) in frame (1), be cased with outside the voice coil (3) and play wave (4), sound basin is run through in the top of the voice coil (3)
(2) it is stamped dust cover (5) after, is equipped with pcb plate (6) in the side of frame (1), the pcb plate (6) passes through two output line connections
There are plug connector (7), the barrel groove (8) extended downwardly is equipped in frame (1), U iron is equipped in barrel groove (8)
(9), the first magnet steel (10) are equipped in the lower section of U iron (9), clamping plate (11) are equipped on the first magnet steel (10), on clamping plate (11)
Equipped with the second magnet steel (12), and the S of first magnet steel (10) and the second magnet steel (12) is extremely arranged towards clamping plate (11), and institute
The total height for stating the first magnet steel (10), clamping plate (11) and the second magnet steel (12) is lower than U iron (9), and the first magnet steel (10), clamping plate
(11) and the second magnet steel (12) there are spacing, the first magnet steel (10), clamping plate (11) and the second magnet steel (12) between U iron (9)
And the enhanced magnetic circuit (13) of polar repulsion is constituted between U iron (9), and the enhanced magnetic circuit (13) is located at voice coil (3)
Below mesoporous.
2. band magnetic circuit according to claim 1 increases powerful coil-moving speaker, it is characterized in that: in the top of U iron (9)
Equipped with the bulge loop (14) extended to side, and the bulge loop (14) is stuck in first groove (15) on barrel groove (8) top.
3. band magnetic circuit according to claim 1 or 2 increases powerful coil-moving speaker, it is characterized in that: in sound basin (2)
The junction of top and frame (1) is equipped with pad side (16), is cased with sealing ring (17) outside pad side (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386850.8U CN209497594U (en) | 2019-03-26 | 2019-03-26 | Band magnetic circuit increases powerful coil-moving speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386850.8U CN209497594U (en) | 2019-03-26 | 2019-03-26 | Band magnetic circuit increases powerful coil-moving speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209497594U true CN209497594U (en) | 2019-10-15 |
Family
ID=68157681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920386850.8U Active CN209497594U (en) | 2019-03-26 | 2019-03-26 | Band magnetic circuit increases powerful coil-moving speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209497594U (en) |
-
2019
- 2019-03-26 CN CN201920386850.8U patent/CN209497594U/en active Active
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