CN202679597U - Heat radiating device for moving coil speaker - Google Patents
Heat radiating device for moving coil speaker Download PDFInfo
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- CN202679597U CN202679597U CN 201220038642 CN201220038642U CN202679597U CN 202679597 U CN202679597 U CN 202679597U CN 201220038642 CN201220038642 CN 201220038642 CN 201220038642 U CN201220038642 U CN 201220038642U CN 202679597 U CN202679597 U CN 202679597U
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- speaker
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- heat conductive
- radiator
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Abstract
The utility model discloses a heat radiating device for a moving coil speaker, and belongs to the technical field of speakers. The heat radiating device for the moving coil speaker consists of three parts, namely a thermal pad, a heat-conducting bar and a radiator, wherein the thermal pad, the heat-conducting bar and the radiator are integrated through corresponding structures, and are mounted in the axial center of the speaker; the thermal pad is positioned at one end of a voice coil of the speaker; the heat-conducting bar penetrates through the axial center structure of the speaker, the upper part of the heat-conducting bar is connected with the thermal pad, and the lower part of the heat-conducting bar is connected with the radiator; and the radiator is positioned outside a lower concentrating flux plate of an outer magnetic speaker or a magnetic conducting bowl of an inner magnetic speaker. Through holes or grooves are formed in the heat radiating device, so that interaction channels are reserved inside the voice coil of the speaker and outside the speaker.
Description
Technical field
The utility model discloses a kind of heat abstractor of moving-coil speaker, belong to the loudspeaker techniques field.
Background technology
Along with the development of electronic product to miniaturization, high-power and multimedia direction, supporting loud speaker also faces and strengthens energy product than the situation of (ratio of power and volume) and integrated other electric functions in inside (such as transducer and reflector) with it.Therefore the heat that electronic component produces in the heat of loudspeaker voice coil generation and the loud speaker, the radiating condition of conventional loudspeakers can't satisfy, and has hindered the development of loud speaker to High Energy Product ratio and multimedia function.
The utility model content.
The purpose of this utility model is the heat abstractor of a kind of moving-coil speaker of design, and the heat electronic component in the heat of voice coil loudspeaker voice coil and the voice coil loudspeaker voice coil produces is transmitted to outside the loudspeaker body, also reserves simultaneously the exchange channels of electronic component and loud speaker outside.
The technical solution of the utility model is to be installed in speaker axis to the centre by heat conductive pad, heat conductive rod and the combination of radiator three-piece, the heat of the voice coil loudspeaker voice coil of heat conductive pad collection and the heat of electronic component, by heat conductive rod, passes loud speaker, is delivered to radiator.Heat conductive pad is positioned at loudspeaker voice coil one end, is close to the surface of upper conduction magnetic board or magnetic post and installs.Perforate in the middle of heat conductive pad axial, radially cross center grooved.The heat conductive rod of heat conductive pad and being integrated of heat conductive rod is vertically at groove at side surface.The perforate of heat conductive rod axial centre is passed speaker axis to the intermediate structure part, and one in conjunction with heat conductive pad, and one in conjunction with radiator.Radiator is positioned at magnetic conductive board outside under the outer magnetic speaker, or interior magnetic speaker magnetic conductor bowl is outside.The radiator of outer magnetic speaker is sheet shape, and the radiator of interior magnetic speaker is bowl-type.Heat conductive pad, heat conductive rod and radiator are made with heat-conducting metal.
Described heat abstractor is in the application of interior magnetic speaker, and magnetic post, permanent magnet and the magnetic conductor bowl of interior magnetic speaker are opened the hole in the center vertically.Garden sheet shape heat conductive pad is opened the hole in the center of circle vertically, radially crosses center of circle fluting on heat conductive pad one plane.The bolt shape heat conductive rod is opened the hole in the center of circle vertically, and one of heat conductive rod is radially crossed center of circle fluting, other end strand thread.The bowl-type radiator is opened the hole in the center of circle vertically and is attacked nut.To the hole, groove is to groove with the heat conductive rod hole, and tooth passes heat conductive pad successively to tooth, the magnetic post, and permanent magnet, magnetic conductor bowl, and bowl-shape radiator tighten up bowl-shape radiator by the heat conductive rod thread, and heat abstractor is fixed on the speaker frame.
In the outside magnetic speaker application of described heat abstractor, the magnetic post of outer magnetic speaker and lower magnetic conductive board are opened the hole in the center of circle vertically.The bolt shape heat conductive rod of garden sheet heat conductive pad and merging into a single whole of heat conductive rod, heat conductive rod be the both sides fluting vertically, heat conductive rod one end strand thread.The disc radiator is opened vertically the hole and is attacked nut in the center of circle.To the hole, tooth passes the magnetic post successively to tooth with the heat conductive rod hole, and lower magnetic conductive board and flaky radiator tighten up the disc radiator by the heat conductive rod thread, heat abstractor is fixed on the lower magnetic conductive board of loud speaker.
The heat abstractor of the moving-coil speaker that the utility model is designed has following advantages:
1. can be the heat of voice coil loudspeaker voice coil by magnetic fluid, approach heat conductive pad, heat conductive rod and radiator are delivered to outside the loudspeaker body, and the bowl-type radiator can be delivered to speaker frame to the heat of voice coil loudspeaker voice coil, can be delivered to the heat of voice coil loudspeaker voice coil outside the audio amplifier with regard to meaning.
2. can be the heat of the electronic component on the electronic circuit board that is installed on the heat conductive pad, approach heat conductive pad, heat conductive rod and radiator are delivered to outside the loudspeaker body.
3. the metal heat-conducting pad is positioned at voice coil loudspeaker voice coil inside, near the voice coil loudspeaker voice coil winding, also plays the short-circuited conducting sleeve effect, can reduce the voice coil loudspeaker voice coil inductance, the harmonic distortion of favourable minimizing loud speaker.
Description of drawings
Fig. 1 is the front view of heat conductive pad among the embodiment 1.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the front view of heat conductive rod among the embodiment 1.
Fig. 4 is the B-B cutaway view of heat conductive rod among Fig. 3.
Fig. 5 is the front view of radiator among the embodiment 1.
Fig. 6 is the C-C cutaway view of radiator among Fig. 5.
Fig. 7 is the cutaway view of interior magnetic speaker axial centre perforate among the embodiment 1.
Fig. 8 is the assembling schematic diagram of the heat abstractor of embodiment 1.
Fig. 9 is the front view that heat conductive pad and heat conductive rod one turn to heat conductive rod among the embodiment 2.
Figure 10 is heat conductive rod D-D cutaway view among Fig. 9.
Figure 11 is the front view of radiator among the embodiment 2.
Figure 12 is radiator E-E cutaway view among Figure 11.
Figure 13 is the cutaway view of embodiment 2 China and foreign countries magnetic speaker axial centre perforate.
Figure 14 is the assembling schematic diagram of the heat abstractor of embodiment 2.
Embodiment
It is shown in Figure 8 that the construction for heat radiating device schematic diagram of the described interior magnetic speaker of the present embodiment sees that Fig. 1 arrives.
The heat abstractor of the described interior magnetic speaker of the present embodiment is comprised of disc heat conductive pad 1, bolt shape heat conductive rod 2 and bowl-type radiator 3.The magnetic post 4 of interior magnetic speaker, permanent magnet 5 and magnetic conductor bowl 6 are opened hole 10 at the garden heart vertically.
Disc heat conductive pad 1 is opened hole 10 at the garden heart vertically, and center of circle fluting 12 is radially crossed on 1 plane therein.
Bolt shape heat conductive rod 2 is opened hole 11 at the garden heart vertically, and center of circle fluting 12 is radially crossed on the plane, top, terminal strand thread 13.
Bowl-type radiator 3 is opened the hole at the garden heart vertically and is attacked nut 14.
The present embodiment installation step by:
Heat conductive pad 1 selects the plane of not slotting, and is close to be installed on the magnetic post 4.Again heat conductive rod 2 holes to the hole, pass successively heat conductive pad 1, magnetic post 4, permanent magnet 5, by thread 13 and nut 14, tighten up and lock bowl-type radiator 3, make the link closely basin frame 7 of interior magnetic speaker of bowl-type radiator 3.Simultaneously, the fluting 12 that the center grooved 12 on heat conductive rod top is aimed on the heat conductive pad, each other a straight-line groove.
The circuit board 15 of electronic component can be installed on the fluting plane of heat conductive pad 1.
The heat of voice coil loudspeaker voice coil 21 by way of disc heat conductive pad 1, bolt shape heat conductive rod 2 and bowl-type radiator 3, passes to basin frame 7 by magnetic fluid 16.
The heat of electronic component by way of disc heat conductive pad 1, bolt shape heat conductive rod 2 and bowl-type radiator 3, passes to speaker frame 7 by circuit board 15.
Through hole 11 in fluting 12 on heat conductive pad 1 and the heat conductive rod 2 and the heat conductive rod provides the exchange channels that leads to the loud speaker external world for the electronic component on the circuit board.
Generally, all dub case when loud speaker uses, speaker frame is in outside the audio amplifier, and the heat of the voice coil loudspeaker voice coil in the present embodiment and the heat of electronic component are transmitted on the speaker frame 7 at last, if adopt cast aluminium basin frame, radiating effect can be fine.
The voice coil loudspeaker voice coil inductance value of the heat abstractor of the described interior magnetic speaker of the present embodiment reduces than having before being unkitted, and also plays the short-circuited conducting sleeve effect.
It is shown in Figure 14 that the construction for heat radiating device schematic diagram of the described outer magnetic speaker of the present embodiment sees that Fig. 9 arrives.
The screw bolt-type heat conductive rod 17 that the heat abstractor of the described outer magnetic speaker of the present embodiment is integrated by heat conductive pad and heat conductive rod, and flaky radiator 18 forms.
The magnetic pole 19 of outer magnetic speaker and lower magnetic conductive board 20 are opened hole 10 at the garden heart vertically.
Heat conductive rod 17 is both sides fluting 12 vertically, terminal strand thread 13.
The present embodiment installation step by:
The heat of voice coil loudspeaker voice coil by way of screw bolt-type heat conductive rod 17, passes to flaky radiator 18 by magnetic fluid 16.
The heat of electronic component by way of screw bolt-type heat conductive rod 17, passes to flaky radiator 18 by circuit board 15.
Heat conductive rod 17 axial both sides slot 12, and the exchange channels that leads to the loud speaker external world is provided for the electronic component on the circuit board.
The lower magnetic conductive board diameter of outer magnetic speaker is larger, and flaky radiator 18 areas are also enough large, can obtain better heat dissipation effect equally.
The voice coil loudspeaker voice coil inductance value of the heat abstractor of the described outer magnetic speaker of the present embodiment reduces than having before being unkitted, and also plays the short-circuited conducting sleeve effect.
Claims (8)
1. the heat abstractor of a moving-coil speaker is characterized in that: be installed in speaker axis to the centre by heat conductive pad, heat conductive rod and the combination of radiator three-piece.
2. the heat abstractor of moving-coil speaker according to claim 1, it is characterized in that: heat conductive pad is positioned at loudspeaker voice coil one end, is close to the surface of upper conduction magnetic board or magnetic post and installs.
3. the heat abstractor of moving-coil speaker according to claim 2 is characterized in that: perforate in the middle of heat conductive pad axial, radially cross center grooved.
4. the heat abstractor of moving-coil speaker according to claim 1 is characterized in that: the heat conductive rod of heat conductive pad and being integrated of heat conductive rod, and vertically at groove at side surface.
5. the heat abstractor of moving-coil speaker according to claim 3 is characterized in that: the perforate of heat conductive rod axial centre, pass speaker axis to the intermediate structure part, and one in conjunction with heat conductive pad, and one in conjunction with radiator.
6. the heat abstractor of moving-coil speaker according to claim 5 is characterized in that: it is outside that radiator is positioned under the outer magnetic speaker magnetic conductive board, or interior magnetic speaker magnetic conductor bowl is outside.
7. the heat abstractor of moving-coil speaker according to claim 6, it is characterized in that: the radiator of outer magnetic speaker is the sheet type, the radiator of interior magnetic speaker is a bowl type.
8. the heat abstractor of the moving-coil speaker of stating according to claim 1 is characterized in that: heat conductive pad, heat conductive rod and radiator are made with heat-conducting metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220038642 CN202679597U (en) | 2012-01-29 | 2012-01-29 | Heat radiating device for moving coil speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220038642 CN202679597U (en) | 2012-01-29 | 2012-01-29 | Heat radiating device for moving coil speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679597U true CN202679597U (en) | 2013-01-16 |
Family
ID=47500466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220038642 Expired - Fee Related CN202679597U (en) | 2012-01-29 | 2012-01-29 | Heat radiating device for moving coil speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547537A (en) * | 2012-01-29 | 2012-07-04 | 邱向康 | Radiation device for moving coil speaker |
-
2012
- 2012-01-29 CN CN 201220038642 patent/CN202679597U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547537A (en) * | 2012-01-29 | 2012-07-04 | 邱向康 | Radiation device for moving coil speaker |
| WO2013110230A1 (en) * | 2012-01-29 | 2013-08-01 | Qiu Xiangkang | Heat dissipation device for moving-coil loudspeaker |
| CN102547537B (en) * | 2012-01-29 | 2015-07-01 | 邱向康 | Radiation device for moving coil speaker |
| US9294842B2 (en) | 2012-01-29 | 2016-03-22 | Xiangkang Qiu | Heat dissipation device for moving-coil loudspeaker |
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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 |
Granted publication date: 20130116 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |