CN209659610U - A kind of heat radiating type horn structure - Google Patents
A kind of heat radiating type horn structure Download PDFInfo
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- CN209659610U CN209659610U CN201920698872.8U CN201920698872U CN209659610U CN 209659610 U CN209659610 U CN 209659610U CN 201920698872 U CN201920698872 U CN 201920698872U CN 209659610 U CN209659610 U CN 209659610U
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- heat
- conducting plate
- annular magnet
- mould group
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Abstract
The utility model provides a kind of heat radiating type horn structure, including magnetic conduction mould group, sounding module, the magnetic conduction mould group includes first annular magnet, T iron, second annular magnet, magnetic conductive board, pressing plate, the sounding module includes metallic support, centring disk, voice coil, vibrating diaphragm, the magnetic conduction mould group outer sheath is equipped with electro-magnetic shielding cover, the first annular magnet bottom is additionally provided with the first heat-conducting plate, first heat-conducting plate upper end is connected with several radiating fins, the radiating fin is located in the cavity on the inside of the first annular magnet, the second heat-conducting plate is equipped in the pressing plate, second heat-conducting plate edge is connected with third heat-conducting plate, the third heat-conducting plate is in the cavity between the magnetic conduction mould group and the electro-magnetic shielding cover.The horn structure of the utility model, thermal conductivity is good, and heat dissipation performance is excellent.
Description
Technical field
The utility model relates to horn arts, and in particular to a kind of heat radiating type horn structure.
Background technique
Loudspeaker are also known as loudspeaker, are a kind of very common electro-acoustic transducer devices, electric signal can be changed into acoustical signal, loudspeaker
Influence of the performance superiority and inferiority to sound quality is very big.Loudspeaker are a most weak device in stereo set, and sound equipment is imitated
For fruit, it is a most important component again.Loudspeaker it is many kinds of, and price differs greatly.Audio electric energy passes through
Electromagnetism, piezoelectricity or electrostatic effect make its cone or diaphragm vibration and generate resonance (sympathetic response) with the air of surrounding and make a sound.
Sound horn principle is: voice coil just generates alternation under the function of current after voice coil of loudspeaker is passed through tone currents
Magnetic field, permanent magnet also generate the constant stationary magnetic field of a size and Orientation simultaneously.The size in the magnetic field as produced by voice coil
It is constantly changing with direction with the variation of tone currents, the interaction in two such magnetic field makees voice coil perpendicular to electric in voice coil
The movement for flowing direction, so that vibrating membrane be driven to generate vibration, causes air by diaphragm oscillations since voice coil is connected with vibrating membrane
It vibrates and makes a sound.The loudspeaker of the prior art, loudspeaker long-term work are easy fever, and heat dissipation performance is poor.
Utility model content
In view of the above problems, the utility model provides a kind of heat radiating type horn structure, thermal conductivity is good, and heat dissipation performance is excellent.
To achieve the above object, the utility model solves by the following technical programs:
A kind of heat radiating type horn structure, the sounding module including magnetic conduction mould group and on the upside of the magnetic conduction mould group, institute
Stating magnetic conduction mould group includes first annular magnet, the T iron on the upside of the first annular magnet, on the upside of the T iron
Second ring magnet, the magnetic conductive board on the upside of second annular magnet and the pressing plate on the upside of the magnetic conductive board, it is described
Sounding module includes being fixed on the metallic support on the upside of the pressing plate, the centring disk being connected on the inside of the metallic support, position
Voice coil on the inside of the centring disk and the vibrating diaphragm for being connected to the voice coil upper end, the magnetic conduction mould group outer sheath are equipped with
Electro-magnetic shielding cover, the first annular magnet bottom are additionally provided with the first heat-conducting plate, and first heat-conducting plate upper end is connected with several
Radiating fin, the radiating fin are located in the cavity on the inside of the first annular magnet, and it is thermally conductive that second is equipped in the pressing plate
Plate, second heat-conducting plate edge are connected with third heat-conducting plate, and the third heat-conducting plate is located at the magnetic conduction mould group and the electricity
In cavity between magnetic shielding cover.
Specifically, being also filled with epoxy resin in cavity between the magnetic conduction mould group and the electro-magnetic shielding cover.
Specifically, being additionally provided with silica gel cushion block between first heat-conducting plate and the first annular magnet.
Specifically, being equipped with dust cover on the inside of the vibrating diaphragm.
Specifically, being equipped with mineral wool washer on the inside of second annular magnet.
The beneficial effects of the utility model are:
A kind of heat radiating type horn structure of the utility model increases the first heat-conducting plate on the downside of first annular magnet, dissipates
Hot fin increases the second heat-conducting plate, third heat-conducting plate in pressing plate, and then cooperation is set in the electromagnetic screen on the outside of magnetic conduction mould group
Cover is covered, while with effectiveness, quickly internal heat can be exported, improve the heat dissipation performance of loudspeaker.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of heat radiating type horn structure of the utility model.
Appended drawing reference are as follows: magnetic conduction mould group 1, first annular magnet 11, T iron 12, the second annular magnet 13, magnetic conductive board 14, pressure
Plate 15, sounding module 2, metallic support 21, centring disk 22, voice coil 23, vibrating diaphragm 24, electro-magnetic shielding cover 3, the first heat-conducting plate 41,
Radiating fin 42, the second heat-conducting plate 43, third heat-conducting plate 44, epoxy resin 5, silica gel cushion block 6, dust cover 7, mineral wool washer 8.
Specific embodiment
The utility model is described in further detail below with reference to embodiment and attached drawing, but the implementation of the utility model
Mode is without being limited thereto.
As shown in Figure 1:
A kind of heat radiating type horn structure, the sounding module 2 including magnetic conduction mould group 1 and positioned at 1 upside of magnetic conduction mould group, leads
Magnetic mould group 1 includes first annular magnet 11, the T iron 12 positioned at first annular 11 upside of magnet, the second ring positioned at 12 upside of T iron
Shape magnet 13, the pressing plate 15 positioned at the magnetic conductive board 14 of 13 upside of the second annular magnet and positioned at 14 upside of magnetic conductive board, sounding mould
Group 2 includes the metallic support 21 for being fixed on 15 upside of pressing plate, the centring disk 22 for being connected to 21 inside of metallic support, is located at centering
The voice coil 23 of 22 inside of branch piece and the vibrating diaphragm 24 for being connected to 23 upper end of voice coil, 1 outer sheath of magnetic conduction mould group are equipped with electro-magnetic shielding cover
3, first annular 11 bottom of magnet is additionally provided with the first heat-conducting plate 41, and 41 upper end of the first heat-conducting plate is connected with several radiating fins 42,
Radiating fin 42 is located in the cavity of first annular 11 inside of magnet, and the second heat-conducting plate 43, the second heat-conducting plate are equipped in pressing plate 15
43 edges are connected with third heat-conducting plate 44, and third heat-conducting plate 44 is located in the cavity between magnetic conduction mould group 1 and electro-magnetic shielding cover 3.
Preferably, epoxy resin 5, epoxy resin 5 are also filled in the cavity between magnetic conduction mould group 1 and electro-magnetic shielding cover 3
For fixing third heat-conducting plate 44, while its material has excellent heat-conducting effect.
Preferably, in order to avoid the first heat-conducting plate 41 is directly contacted with first annular magnet 11, the first heat-conducting plate 41 is long-term
It is squeezed and deforms, be additionally provided with silica gel cushion block 6 between the first heat-conducting plate 41 and first annular magnet 11.
Preferably, dust cover 7 is equipped on the inside of vibrating diaphragm 24.
Preferably, mineral wool washer 8 is equipped on the inside of the second annular magnet 13, mineral wool washer 8 has excellent sound-absorbing effect, energy
Noise inside enough decreases.
Above embodiments only express a kind of embodiment of the utility model, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of heat radiating type horn structure, which is characterized in that including magnetic conduction mould group (1) and be located on the magnetic conduction mould group (1)
The sounding module (2) of side, the magnetic conduction mould group (1) include first annular magnet (11), are located at the first annular magnet (11)
The T iron (12) of upside, is located at second annular magnet (13) at the second annular magnet (13) being located on the upside of the T iron (12)
The magnetic conductive board (14) of upside and the pressing plate (15) being located on the upside of the magnetic conductive board (14), the sounding module (2) include fixing
Metallic support (21) on the upside of the pressing plate (15), the centring disk (22) being connected on the inside of the metallic support (21), position
Voice coil (23) on the inside of the centring disk (22) and the vibrating diaphragm (24) for being connected to the voice coil (23) upper end, it is described to lead
Magnetic mould group (1) outer sheath is equipped with electro-magnetic shielding cover (3), and first annular magnet (11) bottom is additionally provided with the first heat-conducting plate
(41), the first heat-conducting plate (41) upper end is connected with several radiating fins (42), and the radiating fin (42) is located at described the
In cavity on the inside of one annular magnet (11), the second heat-conducting plate (43) are equipped in the pressing plate (15), second heat-conducting plate
(43) edge is connected with third heat-conducting plate (44), and the third heat-conducting plate (44) is located at the magnetic conduction mould group (1) and the electromagnetism
In cavity between shielding case (3).
2. a kind of heat radiating type horn structure according to claim 1, which is characterized in that the magnetic conduction mould group (1) with it is described
Epoxy resin (5) are also filled in cavity between electro-magnetic shielding cover (3).
3. a kind of heat radiating type horn structure according to claim 1, which is characterized in that first heat-conducting plate (41) and institute
It states and is additionally provided with silica gel cushion block (6) between first annular magnet (11).
4. a kind of heat radiating type horn structure according to claim 1, which is characterized in that be equipped on the inside of the vibrating diaphragm (24) anti-
Dust hood (7).
5. a kind of heat radiating type horn structure according to claim 1, which is characterized in that in second annular magnet (13)
Side is equipped with mineral wool washer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698872.8U CN209659610U (en) | 2019-05-16 | 2019-05-16 | A kind of heat radiating type horn structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920698872.8U CN209659610U (en) | 2019-05-16 | 2019-05-16 | A kind of heat radiating type horn structure |
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| Publication Number | Publication Date |
|---|---|
| CN209659610U true CN209659610U (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920698872.8U Active CN209659610U (en) | 2019-05-16 | 2019-05-16 | A kind of heat radiating type horn structure |
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| Country | Link |
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| CN (1) | CN209659610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709638A (en) * | 2021-08-31 | 2021-11-26 | 安徽井利电子有限公司 | Anti-electromagnetic interference loudspeaker system and anti-interference method thereof |
-
2019
- 2019-05-16 CN CN201920698872.8U patent/CN209659610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113709638A (en) * | 2021-08-31 | 2021-11-26 | 安徽井利电子有限公司 | Anti-electromagnetic interference loudspeaker system and anti-interference method thereof |
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