KR101689103B1 - Speaker unit having heat-resistant fan - Google Patents

Speaker unit having heat-resistant fan Download PDF

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Publication number
KR101689103B1
KR101689103B1 KR1020160019053A KR20160019053A KR101689103B1 KR 101689103 B1 KR101689103 B1 KR 101689103B1 KR 1020160019053 A KR1020160019053 A KR 1020160019053A KR 20160019053 A KR20160019053 A KR 20160019053A KR 101689103 B1 KR101689103 B1 KR 101689103B1
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KR
South Korea
Prior art keywords
heat
coupled
speaker
fan
cover
Prior art date
Application number
KR1020160019053A
Other languages
Korean (ko)
Inventor
김병욱
Original Assignee
성화기술산업 주식회사
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Application filed by 성화기술산업 주식회사 filed Critical 성화기술산업 주식회사
Priority to KR1020160019053A priority Critical patent/KR101689103B1/en
Application granted granted Critical
Publication of KR101689103B1 publication Critical patent/KR101689103B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/022—Cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136—Forced ventilation, e.g. by fans
    • H05K7/20172—Fan mounting or fan specifications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The present invention discloses a speaker unit having a heat dissipating fan. The present invention is a speaker unit in which a magnet head and a vibration plate are housed in a speaker head, and a heat dissipation fan is installed using a bracket. And the magnetic force of the magnetic magnet is lost due to the high temperature, the output efficiency of the speaker is lowered, and the durability life is shortened. Also, the electrical contacts of the vibration plate are short-circuited due to the high temperature And improve the performance of the speaker.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a speaker unit having a heat-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a speaker unit for continuous use at high output, such as an ambulance siren or a terminal broadcast speaker, and more particularly to a speaker unit in which a magnet head and a speaker head, To a speaker unit having a heat-dissipating fan capable of effectively radiating heat to the outside.

Generally speaking, when a microphone is a transducer that converts acoustic energy into electrical energy, the speaker, on the other hand, receives the amplified electrical signal from a power amplifier and converts it into acoustic energy that people can hear.

Speakers were first used in telephone receivers, and the cinemas changed from silent films to meteoric, making dramatic progress as a result of installing loudspeakers in movie theaters around the world. They have also been used in home audio and home theater systems, Ambulance sirens and terminal broadcasts have also become popular.

Since these speakers are composed of various parts, they are also called speaker systems. They are composed of an enclosure constituting the body, a speaker unit for reproducing according to frequency band, and a crossover network for dividing by frequency band. Sometimes it is not.

Herein, the speaker unit is generally referred to as a horn speaker driver, and is an apparatus for directly changing an electrical signal into an acoustic signal. In a case of designating a speaker, the speaker unit may be referred to as a speaker unit.

1 and 2, the speaker unit includes a cylindrical heat sink 200 (not shown) having a hollow portion 201, and a head portion 100 receiving an assembly of a magnetic magnet portion (not shown) and a vibration plate (not shown) And the cover 300 is coupled to the other end of the heat dissipating plate 200. The dust collecting filter 400 is coupled to the cover 300. [

That is, in the conventional speaker unit, when the magnetic magnet in the head unit 100 generates heat to generate heat, the heat is discharged to the outside through the heat sink 200 to be cooled by contact with the air, And is discharged to the outside from the cover 300 through the hollow portion 202 of the cover 300.

Conventional speaker units, however, do not suffer from performance degradation due to air cooling down to below the proper temperature before reaching a critical level at low output of less than 100 watts. However, In case of continuous use at the output, the magnetic force is lost due to the heat generated by the magnetic magnet, and the output efficiency is remarkably reduced, and the durability life of the speaker unit is shortened, or a serious defect such as short- Had the disadvantage of causing.

Patent Registration No. 10-0767442 (registered on October 10, 2007)

Registration Utility Model Bulletin No. 20-0476915 (Registration date 2014.04.08)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a speaker apparatus and a speaker apparatus, And the magnetic force of the magnetic magnet is lost due to the high temperature, so that the output efficiency of the speaker is lowered and the durability life is not shortened. In addition, the electric contact of the vibration plate is short- And it is an object of the present invention to provide a speaker unit having a heat dissipating fan for preventing a problem.

In order to achieve the above object, a speaker unit having a heat radiating fan according to the present invention includes: a cylindrical heat sink having a radiating fin protruding from an outer circumferential surface thereof to form a hollow portion; A speaker head coupled to one end of the heat sink and having an assembly of a magnetic magnet and a vibration plate; A cover coupled to the other end of the heat sink; Wherein the fixing bracket is coupled to the cover and the fixing bracket is coupled to the heat dissipating fan for driving heat emitted from the speaker head through the hollow portion of the heat dissipating plate to the outside.

In addition, the fixing bracket and the heat dissipating fan are formed in the hollow portion of the heat sink.

In addition, the fixing bracket is configured to be screwed to the cover through a plurality of connecting members passing through the filter, and the heat dissipating fan is coupled to the fixing bracket through a fastening member.

The fixing bracket may include a flat portion to which the connecting body is coupled, a first vertical portion that is bent and extended from the flat portion, and a second vertical portion that is bent and extended from the first vertical portion, And a first horizontal portion.

The fixing bracket and the heat radiating fan may be coupled to the outside of the cover.

At this time, the fixing bracket is in contact with the one surface of the cover, the flat portion being formed by the hollow portion and the heat dissipation fan being engaged and fixed by the fastening member; And an extension part extending from the flat part and being positioned between the radiating fins on the outer circumferential surface of the heat radiating plate and being engaged and fixed by a fastening member; .

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According to another aspect of the present invention, there is provided a heat dissipation device comprising: a heat dissipation plate of a cylindrical shape having a radiating fin protruding from an outer circumferential surface thereof to form a hollow portion; A speaker head coupled to one end of the heat sink and having an assembly of a magnetic magnet and a vibration plate; A cover coupled to the other end of the heat sink and having a mounting groove; And a heat dissipating fan which is driven to discharge the heat discharged from the speaker head portion through the hollow portion of the heat dissipating plate to the outside, .

As described above, according to the present invention, a heat-radiating fan is installed in a speaker head that accommodates a magnetic magnet and a vibration plate. By using the bracket, the high heat generated from a speaker requiring high output for an ambulance siren or a terminal broadcast can be efficiently dissipated to the outside , It is possible to improve the performance of the speaker while preventing the problem that the magnetic force of the magnetic magnet is lost due to the high temperature, the output efficiency of the speaker is lowered and the durability life is shortened, or the electrical contacts of the vibration plate are short- The effect can be expected.

1 is an exploded view showing a structure of a conventional speaker unit.
3 is a cross-sectional view showing a structure of a conventional speaker unit.
3 is a perspective view showing a structure of a speaker unit having a heat radiating fan according to a first embodiment of the present invention.
4 is an exploded view showing a structure of a speaker unit having a heat dissipating fan according to a first embodiment of the present invention.
5 is a cross-sectional view showing the structure of a speaker unit having a heat radiating fan according to a first embodiment of the present invention.
6 is a perspective view showing a structure of a speaker unit having a heat radiating fan according to a second embodiment of the present invention.
7 is an exploded view showing a structure of a speaker unit having a heat radiating fan according to a second embodiment of the present invention.
8 is a cross-sectional view showing the structure of a speaker unit having a heat dissipating fan according to a second embodiment of the present invention.
9 is a perspective view showing a structure of a speaker unit having a heat radiating fan according to a third embodiment of the present invention.
10 is an exploded view showing the structure of a speaker unit having a heat radiating fan according to a third embodiment of the present invention.
11 is a sectional view showing the structure of a speaker unit having a heat radiating fan according to a third embodiment of the present invention.
FIG. 12 is a perspective view showing a structure of a speaker unit having a heat radiating fan according to a fourth embodiment of the present invention; FIG.
13 is an exploded view showing a structure of a speaker unit having a heat radiating fan according to a fourth embodiment of the present invention.
14 is a cross-sectional view showing the structure of a speaker unit having a heat radiating fan according to a fourth embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 3 is a perspective view showing a structure of a speaker unit having a heat radiating fan according to a first embodiment of the present invention, FIG. 4 is an exploded view showing a structure of a speaker unit having a heat radiating fan according to a first embodiment of the present invention, Sectional view showing the structure of a speaker unit having a heat radiating fan according to a first embodiment of the present invention.

3 to 5, a speaker unit having a heat-radiating fan according to an embodiment of the present invention includes a heat sink 10 having a cylindrical shape, the heat radiating fin 11 protruding from the outer circumferential surface to form a hollow portion 12, A speaker head portion 20 coupled to one end of the heat sink 10 and receiving an assembly of a magnetic magnet portion and a vibration plate (not shown), and a cover 30 And a dust removing filter 40 coupled to the cover 30, and further includes a fixing bracket 50 and a heat dissipating fan 60.

The fixing bracket 50 is fixedly coupled to the cover 30 in the hollow portion 12 of the heat dissipating fan 10 and is fixed to the cover 30 through a plurality of connecting members 70 passing through the filter 40. [ And the cover 30 is screwed.

That is, the fixing bracket 50 includes a flat portion 51 to which the connecting body 70 is coupled, a first vertical portion 52 bent and extended from the flat portion 51, And a first horizontal part 53 bent and extending from the first heat radiating part 52 and coupled to the heat radiating fan 60 through a fastening member.

The heat radiating fan 60 is fixedly coupled to the first horizontal portion 53 of the fixing bracket 50 by screws so that the speaker head portion 20 is inserted through the hollow portion 12 of the heat sink 10. [ So that the heat discharged from the heat source is discharged to the outside.

3 to 5, a speaker head unit 20 having an assembly of a magnetic magnet and a vibration plate is coupled to one end of a heat dissipating plate 10 in a first embodiment of the present invention. And the cover 30 to which the dust removing filter 40 is coupled is coupled to the other end of the heat sink 10. [

The fixing bracket 50 and the heat dissipating fan 60 are accommodated in the hollow portion 12 of the heat dissipating plate 10 and the flat portion 51 of the fixing bracket 50, The connecting member 70 is passed through the filter 40 and is brought into close contact with the cover 30 after the connecting member 70 is positioned.

The screw is sequentially fastened to the fastening hole 51a of the flat surface portion 51 and the fastening hole 30a of the cover 30 and the fastening hole 50a of the fastening bracket 50, When the screws are fastened to the fastening holes 53a formed in the first horizontal portion 53 and the fastening holes 60a formed in the heat dissipating fan 60, the heat dissipating fan 60 is fixed to the fastening bracket 50 And can be located in the hollow portion 12 of the heat sink 10 in a state where the heat sink 10 is in a state of being opened.

Accordingly, even if a high temperature is generated in the magnetic magnet of the speaker head 20 due to the driving of the speaker unit, the high temperature is primarily cooled while being in contact with the outside air through the radiating fins 11 of the heat sink 10, Heat from the driving of the heat radiating fan 60 provided in the hollow portion 12 of the heat sink 10 is discharged to the outside so that the heat in the speaker unit is effectively cooled and the magnetic force of the magnetic magnet is lost due to high heat, It is possible to avoid the problem that the output efficiency of the speaker unit is shortened and the service life of the speaker unit is shortened. In particular, the electrical contact of the vibration plate, which forms one assembly with the magnetic magnet, You can.

6 to 8 illustrate a second embodiment of the present invention in which the heat dissipating fan 60 is formed in the hollow portion 12 of the heat dissipating plate 10 as in the first embodiment of the present invention But the fixing bracket 50 is connected to the outside of the cover 30 which is the outside of the speaker unit.

For this purpose, in the second embodiment of the present invention, the heat radiating fan 60, which is in close contact with one surface of the cover 30 and forms the hollow portion 54a, And an extension portion 55 which is located between the radiating fins 11 on the outer circumferential surface of the heat dissipating plate 10 while being bent from the flat portion 54 to be engaged and fixed by a fastening member (Not shown).

6 to 8, a speaker head 20 having an assembly of a magnetic magnet and a vibration plate is coupled to one end of a heat radiating plate 10, And the cover 30 to which the dust removing filter 40 is coupled is connected to the other end of the cover 10.

Then, the flat portion 54 of the fixing bracket 50 having the hollow portion 54a formed on the outer side of the cover 30 is closely contacted.

The extended portion 55 extending from the flat portion 54 is positioned between the radiating fins 11 provided on the outer side of the radiating plate 10 so that the fastening holes 55a of the extending portion 55 are located between the radiating fins 11, And fixes the heat sink 10 to the heat sink 10.

Thereafter, the heat radiating fan 60 is brought into close contact with the flat portion 54, and then a screw is fastened to the fastening hole 54b of the flat portion 54 and the fastening hole 60a of the heat radiating fan 60, And the heat dissipation fan 60 is engaged and fixed.

Accordingly, even if a high temperature is generated in the magnetic magnet of the speaker head 20 due to the driving of the speaker unit, the high temperature is primarily cooled while being in contact with the outside air through the radiating fins 11 of the heat sink 10, The high heat generated in the hollow portion 12 of the heat sink 10 is discharged to the outside through the hollow portion 54a formed in the flat portion 54 of the fixing bracket 50 from the driving of the heat radiation fan 60, The heat in the speaker unit is effectively cooled, the magnetic force of the magnetic magnet is lost due to the high temperature, the output efficiency of the speaker is prevented from being lowered, and the service life of the speaker unit is shortened. And the electrical contact of the vibration plate constituting one assembly can be prevented from being short-circuited due to high temperature.

9 to 11 illustrate a third embodiment of the present invention in which the cover and the filter are not coupled to the other end of the heat dissipating plate 10 and the heat dissipating fan 60 ).

The fixing bracket 50 is in close contact with the other end of the heat dissipating plate 10 and has a hollow portion 541a which is fixed to the heat dissipating fan 60 by a fastening member And an extended portion 551 extending from the flat portion 541 and bent to be tightly fixed to the outer circumferential surface of the heat sink 10 to be engaged and fixed by a fastening member (e.g., a screw).

9 to 11, a speaker head 20 having an assembly of a magnetic magnet and a vibration plate is coupled to one end of a heat radiating plate 10, The flat portion 541 of the fixing bracket 50 provided with the hollow portion 541a is brought into close contact with the other end of the fixing bracket 10.

The extended portion 551 extending from the flat portion 541 is located between the radiating fins 11 provided on the outer side of the radiating plate 10 so that the fastening holes 551a of the extending portion 551 are located between the radiating fins 11, And fixes the heat sink 10 to the heat sink 10.

Thereafter, the heat radiating fan 60 is brought into close contact with the flat portion 541 and then the screws are fastened to the fastening holes 541b of the flat portion 541 and the fastening holes 60a of the heat radiating fan 60, And the heat dissipation fan 60 is engaged and fixed.

Accordingly, even if a high temperature is generated in the magnetic magnet of the speaker head 20 due to the driving of the speaker unit, the high temperature is primarily cooled while being in contact with the outside air through the radiating fins 11 of the heat sink 10, The high heat generated in the hollow portion 12 of the heat sink 10 is discharged to the outside through the hollow portion 541a formed in the flat portion 541 of the fixing bracket 50 from the driving of the heat radiation fan 60, The heat in the unit is effectively cooled, the magnetic force of the magnetic magnet is lost due to the high temperature, the output efficiency of the speaker is prevented from being lowered, and the life of the speaker unit is shortened. It is possible to prevent the electrical contact of the vibration plate constituting one assembly from being short-circuited due to high temperature.

12 to 14 show a fourth embodiment of the present invention. This is not the case where the heat dissipating fan 60 is fixed to the fixing bracket as in the first to third embodiments of the present invention, And the heat radiating fan 60 is directly coupled to the outer cover 30.

To this end, in the fourth embodiment of the present invention, the mounting groove 301 is formed in the cover 30 coupled to the other end of the heat sink 10, and the heat sink 60 is attached to the mounting groove 301 The heat dissipating fan 60 is fixed to the cover 20 by fastening a fastening member such as a screw to the fastening hole 60a of the heat dissipating fan 60 and the fastening hole 30a of the cover 20, 30 to be mounted and fixed.

That is, as shown in FIGS. 12 to 14, the fourth embodiment of the present invention may be configured such that the speaker head 20 having the assembly of the magnetic magnet and the vibration plate is coupled to one end of the heat sink 10, And the cover 30 is engaged with the other end of the cover 10.

Thereafter, a screw is fastened to the fastening holes 60a and 30a in a state where the heat dissipating fan 60 is inserted into the mounting groove 301 formed in the cover 30, (30).

Accordingly, even if a high temperature is generated in the magnetic magnet of the speaker head 20 due to the driving of the speaker unit, the high temperature is primarily cooled while being in contact with the outside air through the radiating fins 11 of the heat sink 10, The high heat generated in the hollow portion 12 of the heat sink 10 is discharged to the outside from the driving of the heat radiating fan 60 fixed to the cover 30 so that the heat in the speaker unit is effectively cooled, The magnetic force of the magnetic magnet is lost and the output efficiency of the speaker is prevented from being lowered and the life span of the speaker unit is shortened. In particular, the electrical contact of the vibration plate constituting one assembly with the magnetic magnet is high temperature It is possible to prevent the problem of being short-circuited.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is to be understood that such changes and modifications are within the scope of the claims.

10; Heat sink 11; Heat sink fin
12; A hollow portion 20; Speaker head part
30; A cover 30a; Fastening hole
301; Mounting grooves 40; filter
50; Fixed bracket 51; Plane portion
51a; Fastening holes 52; The first vertical portion
53; A first horizontal portion 53a; Fastening hole
54,541; Flat portions 54a, 541a; Hollow portion
54b, 541b; Fastening holes 55, 551; Extension portion
55a, 551a; Fastening holes 60; Heat-dissipating fan
60a; A fastening hole 70; Connector

Claims (7)

A heat sink having a cylindrical shape, the heat radiating fin protruding from the outer circumferential surface to form a hollow portion;
A speaker head coupled to one end of the heat sink and having an assembly of a magnetic magnet and a vibration plate; And
A cover coupled to the other end of the heat sink; / RTI >
The cover is provided with a fixing bracket,
Wherein the fixing bracket is coupled to a heat dissipating fan for driving heat emitted from the speaker head through the hollow portion of the heat dissipating plate to the outside. The method according to claim 1,
Wherein the fixing bracket and the radiating fan are formed inside the hollow portion of the heat sink,
Wherein the fixing bracket is configured to be screwed to the cover through a plurality of connecting members passing through the filter, and the radiating fan is coupled to the fixing bracket through a fastening member. . [3] The apparatus of claim 2,
And a first horizontal portion bent and extending from the first vertical portion and coupled with the heat radiating fan through a fastening member, wherein the first vertical portion is bent from the flat portion, Wherein the heat radiating fan comprises: The method according to claim 1,
Wherein the fixing bracket and the heat dissipating fan are coupled to the outside of the cover,
The fixing bracket includes:
A flat portion which is in close contact with the one surface of the cover and in which the radiating fan is coupled and fixed by the fastening member while forming a hollow portion; And an extension part extending from the flat part and being positioned between the radiating fins on the outer circumferential surface of the heat radiating plate and being engaged and fixed by a fastening member; Wherein the fan unit comprises: delete delete A heat sink having a cylindrical shape, the heat radiating fin protruding from the outer circumferential surface to form a hollow portion;
A speaker head coupled to one end of the heat sink and having an assembly of a magnetic magnet and a vibration plate;
A cover coupled to the other end of the heat sink and having a mounting groove; And
A heat dissipating fan for driving heat emitted from the speaker head through a hollow portion of the heat dissipating plate to the outside; And the speaker unit is connected to the speaker unit.
KR1020160019053A 2016-02-18 2016-02-18 Speaker unit having heat-resistant fan KR101689103B1 (en)

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KR1020160019053A KR101689103B1 (en) 2016-02-18 2016-02-18 Speaker unit having heat-resistant fan

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180079693A (en) * 2017-01-02 2018-07-11 성균관대학교산학협력단 Heat radiating apparatus using ionic wind
CN115955632A (en) * 2022-12-19 2023-04-11 瑞声科技（南京）有限公司 Integrated speaker and mobile terminal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050120029A (en) * 2004-06-18 2005-12-22 주식회사 대우일렉트로닉스 Speaker equipped with shield cap for protecting heat
KR100767442B1 (en) 2005-06-21 2007-10-17 영인프런티어(주) Micro speaker unit
KR200476915Y1 (en) 2014-01-22 2015-04-14 정재선 Cooling Appratus Of Driver Unit For Horn Loudspeaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050120029A (en) * 2004-06-18 2005-12-22 주식회사 대우일렉트로닉스 Speaker equipped with shield cap for protecting heat
KR100767442B1 (en) 2005-06-21 2007-10-17 영인프런티어(주) Micro speaker unit
KR200476915Y1 (en) 2014-01-22 2015-04-14 정재선 Cooling Appratus Of Driver Unit For Horn Loudspeaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180079693A (en) * 2017-01-02 2018-07-11 성균관대학교산학협력단 Heat radiating apparatus using ionic wind
CN115955632A (en) * 2022-12-19 2023-04-11 瑞声科技（南京）有限公司 Integrated speaker and mobile terminal
CN115955632B (en) * 2022-12-19 2023-12-01 瑞声科技（南京）有限公司 Integrated loudspeaker and mobile terminal
WO2024130893A1 (en) * 2022-12-19 2024-06-27 瑞声科技（南京）有限公司 Integrated loudspeaker and mobile terminal

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