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CN219834368U - Invisible sound driver with heat dissipation function - Google Patents

Invisible sound driver with heat dissipation function Download PDF

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Publication number
CN219834368U
CN219834368U CN202320781263.5U CN202320781263U CN219834368U CN 219834368 U CN219834368 U CN 219834368U CN 202320781263 U CN202320781263 U CN 202320781263U CN 219834368 U CN219834368 U CN 219834368U
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CN
China
Prior art keywords
voice coil
magnet
heat dissipation
annular
circuit device
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.)
Active
Application number
CN202320781263.5U
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Chinese (zh)
Inventor
蒋明兴
肖敦金
李景海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baron Audio Shenzhen Co ltd
Original Assignee
Baron Audio Shenzhen Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baron Audio Shenzhen Co ltd filed Critical Baron Audio Shenzhen Co ltd
Priority to CN202320781263.5U priority Critical patent/CN219834368U/en
Application granted granted Critical
Publication of CN219834368U publication Critical patent/CN219834368U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an invisible sound driver with a heat dissipation function, which comprises a magnetic circuit device and a vibration device arranged at the upper end of the magnetic circuit device, wherein the vibration device comprises a driving sheet, a voice coil lead wire and a corrugated positioning sheet, the voice coil is fixed at the lower end of the driving sheet, the corrugated positioning sheet is fixed on a voice coil, and the voice coil lead wire is electrically connected with the voice coil; the magnetic circuit device comprises a magnetic conduction substrate, a cylindrical magnet and an annular magnet are arranged on the magnetic conduction substrate, the annular magnet is sleeved outside the cylindrical magnet, the cylindrical magnetizer is arranged at the upper end of the cylindrical magnet, the annular magnetizer is arranged at the upper end of the annular magnet, the annular magnetizer is fixedly connected with one end of the corrugated locating piece, and the magnetic circuit device further comprises a heat radiating device which is of a circular ring structure and is sleeved outside the magnetic conduction substrate, the annular magnet and the annular magnetizer. The heat dissipation device is arranged on the outer side of the magnetic circuit device for heat dissipation, so that the heat dissipation area is increased, the heat dissipation effect is good, the production and the assembly are convenient, the cost is low, and the application range is wide.

Description

Invisible sound driver with heat dissipation function
Technical Field
The utility model relates to the technical field of flat panel sound drivers, in particular to an invisible sound driver with a heat dissipation function.
Background
The panel sound consists of sound source input equipment, signal amplifier and driver, and is one integral system to excite bending wave in sounding board with exciter. The method is widely applied to home theater systems, background music systems, multimedia sound systems, public broadcasting systems and the like at present through market expansion in industry for years.
The existing driver of the flat panel sound equipment can generate larger heat to raise the temperature of the driver when the driver works for a long time at a large volume, so that the bonding firmness of a voice coil wire and a voice coil framework is damaged, the voice coil wire is dropped, and the problem of damage to the driver is caused.
Disclosure of Invention
In order to solve the heat dissipation problem of the flat panel sound driver, the utility model provides the invisible sound driver with the heat dissipation function, the driver is provided with the heat dissipation device, and the driver can be directly adhered to the sound board of the invisible flat panel sound, so that the invisible flat panel sound has good heat dissipation effect, is convenient to install, improves the assembly efficiency and reduces the cost.
The technical scheme of the utility model is realized as follows:
the utility model discloses an invisible sound driver with a heat dissipation function, which comprises a magnetic circuit device and a vibration device arranged at the upper end of the magnetic circuit device, wherein the vibration device comprises a driving sheet, a voice coil lead wire and a corrugated positioning sheet, the voice coil is fixed at the lower end of the driving sheet, the corrugated positioning sheet is fixed on a voice coil, and the voice coil lead wire is electrically connected with the voice coil; the magnetic circuit device comprises a magnetic conduction substrate, a cylindrical magnet and an annular magnet are arranged on the magnetic conduction substrate, the annular magnet is sleeved outside the cylindrical magnet, the cylindrical magnetizer is arranged at the upper end of the cylindrical magnet, the annular magnetizer is arranged at the upper end of the annular magnet, the annular magnetizer is fixedly connected with one end of the corrugated locating piece, the invisible sound driver further comprises a heat radiating device, the heat radiating device is of a circular ring structure, and the heat radiating device is sleeved outside the magnetic conduction substrate, the annular magnet and the annular magnetizer.
Further, a plurality of grooves are formed in the outer side of the circular ring structure, and the grooves are formed in the axial direction of the circular ring structure.
Further, the inner wall of the circular ring structure is connected with the magnetic conductive base plate, the annular magnet and the outer wall of the annular magnetic conductive body in an adhesive mode.
Further, the upper end of the magnetic conduction base plate is provided with a convex ring, the inner ring of the convex ring is provided with a cylindrical magnet, and the outer ring of the convex ring is sleeved with a ring-shaped magnet.
Further, an annular gap is provided between the cylindrical magnet and the ring magnet, and the driving piece and a part of the voice coil are located in the annular gap.
Further, the vibration device and the magnetic circuit device are coaxially arranged.
The invisible sound driver with the heat dissipation function has the following beneficial technical effects:
the invisible sound driver adopts the heat dissipation device arranged at the outer side of the magnetic circuit device to dissipate heat, increases the heat dissipation area, has good heat dissipation effect, is simple and convenient to produce and assemble, and has low cost and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a cross-sectional view of a hidden sound driver with heat dissipation according to the present utility model;
fig. 2 is a schematic diagram of a heat dissipating device of a hidden audio driver with heat dissipating function according to the present utility model.
In the figure: the voice coil motor comprises a driving piece-1, a voice coil-2, a voice coil lead-3, a corrugated locating piece-4, a magnetic conduction substrate-5, a convex ring-51, a cylindrical magnet-6, an annular magnet-7, a cylindrical magnetizer-8, an annular magnetizer-9, an annular structure-10, a groove-101 and an annular gap-11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, the present utility model provides a preferred embodiment of a hidden sound driver with heat dissipation function, which includes a magnetic circuit device and a vibration device disposed at an upper end of the magnetic circuit device, wherein the vibration device and the magnetic circuit device are coaxially disposed.
The vibration device comprises a driving piece 1, a voice coil 2, a voice coil lead wire 3 and a corrugated locating piece 4, wherein the driving piece 1 is a circular driving piece made of plastic, the voice coil 2 is fixed at the lower end of the driving piece 1, the corrugated locating piece 4 is fixed on the voice coil 2, and the voice coil lead wire 3 is electrically connected with the voice coil 2.
The magnetic circuit device comprises a magnetic conduction substrate 5, a cylindrical magnet 6 and a ring magnet 7 are arranged on the magnetic conduction substrate 5, the ring magnet 7 is sleeved outside the cylindrical magnet 6, a cylindrical magnetizer 8 is arranged at the upper end of the cylindrical magnet 6, a ring magnetizer 9 is arranged at the upper end of the ring magnet 7, and the ring magnetizer 9 is fixedly connected with one end of the corrugated locating plate 4. The upper end of the magnetic conduction base plate 5 is provided with a convex ring 51, the inner ring of the convex ring 51 is provided with the cylindrical magnet 6, and the outer ring of the convex ring 51 is sleeved with the annular magnet 7. An annular gap 11 is provided between the cylindrical magnet 6 and the ring magnet 7, and the portions of the driving plate 1 and the voice coil 2 are located in the annular gap 11.
In order to radiate heat by the operation of the invisible sound driver, the invisible sound driver is also provided with a heat radiating device, wherein the heat radiating device is made of metal materials with good heat conduction, such as copper or aluminum, and is of a circular ring structure 10, and is sleeved outside the magnetic conductive substrate 5, the annular magnet 7 and the annular magnetic conductive body 9. Further improved, a plurality of grooves 101 are formed in the outer side of the circular ring structure 10, the grooves 101 are formed in the axial direction of the circular ring structure 10, the grooves 101 are of a V shape or a U shape, the heat dissipation area is increased, and the heat dissipation effect is enhanced. Furthermore, in order to increase the heat dissipation effect, the inner wall of the circular ring structure 10 is connected with the outer walls of the magnetic conductive substrate 5, the annular magnet 7 and the annular magnetic conductive body 9 through adhesion, so that the heat conduction is fast, the production and the assembly are simpler, and the reduction of the production cost is facilitated.
Further, the arrangement of the magnetic poles of the ring magnet 7 is opposite to that of the cylindrical magnet 6, specifically, the end of the cylindrical magnet 6 close to the magnetic conductive substrate 5 is S-pole, and the end of the cylindrical magnet 6 connected with the cylindrical magnetic conductive body is N-pole; the end of the ring magnet 7 connected to the magnetic conductive substrate 5 is N pole, and the end of the ring magnet 7 connected to the ring magnetic conductive body 9 is S pole.
When the sound board is used, the invisible sound driver with the heat dissipation function is adhered and fixed on the sound board, and the sound board is driven to vibrate to generate sound effects. Because the heat abstractor of ring structure is provided with in the magnetic circuit device outside, and is equipped with the heat dissipation recess in the outside of ring structure, increased heat radiating area, avoid taking place stealthy sound driver at big volume, long-time during operation, stealthy sound driver's voice coil loudspeaker voice coil can produce great heat, destroys the bonding of voice coil line and voice coil skeleton, makes the voice coil line drop, causes the problem of equipment damage.
The invisible sound driver with the heat dissipation function has the following beneficial technical effects:
the invisible sound driver with the heat radiation function disclosed by the utility model has the advantages that the heat radiation part arranged at the bottom of the magnetic conduction substrate is used for radiating heat, the heat radiation area is increased, the problem of damage caused by large volume and large heat productivity of the driver working for a long time is avoided, in addition, the driver is simple in structure and convenient to install, and the cost is reduced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (5)

1. The invisible sound driver with the heat dissipation function comprises a magnetic circuit device and a vibration device arranged at the upper end of the magnetic circuit device, wherein the vibration device comprises a driving piece (1), a voice coil (2), a voice coil lead wire (3) and a corrugated positioning piece (4), the voice coil (2) is fixed at the lower end of the driving piece (1), the corrugated positioning piece (4) is fixed on the voice coil (2), and the voice coil lead wire (3) is electrically connected with the voice coil (2); the magnetic circuit device comprises a magnetic conduction substrate (5), a cylindrical magnet (6) and an annular magnet (7) are arranged on the magnetic conduction substrate (5), the annular magnet (7) is sleeved outside the cylindrical magnet (6), the cylindrical magnet (8) is arranged at the upper end of the cylindrical magnet (6), an annular magnet (9) is arranged at the upper end of the annular magnet (7), and the annular magnet (9) is fixedly connected with one end of the corrugated locating plate (4).
2. The invisible sound driver with the heat dissipation function according to claim 1, wherein the inner wall of the circular ring structure (10) is bonded with the outer walls of the magnetic conductive substrate (5), the annular magnet (7) and the annular magnetic conductive body (9).
3. The invisible sound driver with the heat dissipation function according to claim 1, wherein a convex ring (51) is arranged at the upper end of the magnetic conduction substrate (5), a cylindrical magnet (6) is arranged at the inner ring of the convex ring (51), and an annular magnet (7) is sleeved at the outer ring of the convex ring (51).
4. A hidden sound driver with heat dissipation function according to claim 3, characterized in that an annular gap (11) is provided between the cylindrical magnet (6) and the ring magnet (7), and that the part of the driving plate (1) and the voice coil (2) is located in the annular gap (11).
5. The invisible sound driver with a heat dissipation function according to claim 1, wherein the vibration device and the magnetic circuit device are coaxially arranged.
CN202320781263.5U 2023-04-03 2023-04-03 Invisible sound driver with heat dissipation function Active CN219834368U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320781263.5U CN219834368U (en) 2023-04-03 2023-04-03 Invisible sound driver with heat dissipation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320781263.5U CN219834368U (en) 2023-04-03 2023-04-03 Invisible sound driver with heat dissipation function

Publications (1)

Publication Number Publication Date
CN219834368U true CN219834368U (en) 2023-10-13

Family

ID=88282780

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320781263.5U Active CN219834368U (en) 2023-04-03 2023-04-03 Invisible sound driver with heat dissipation function

Country Status (1)

Country Link
CN (1) CN219834368U (en)

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