CN205017575U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN205017575U CN205017575U CN201520809374.8U CN201520809374U CN205017575U CN 205017575 U CN205017575 U CN 205017575U CN 201520809374 U CN201520809374 U CN 201520809374U CN 205017575 U CN205017575 U CN 205017575U
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- loud speaker
- housing
- thermal component
- speaker according
- magnetic circuit
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Abstract
The utility model discloses a loudspeaker relates to electro -acoustic products technical field, which comprises an outer shell, accommodated vibration system and magnetic circuit in the shell, its characterized in that still includes cooling parts, magnetic circuit fixes cooling parts is last, cooling parts fixes on the shell, just the last radiating part that is equipped with of cooling parts, the radiating part exposes the outside of shell. The utility model discloses loudspeaker has solved technical problem such as loudspeaker heat dispersion is poor among the prior art, life is short, the utility model discloses loudspeaker heat dispersion is good, and power carrying capacity is strong, long service life.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker.
Background technology
Loud speaker is commonly called as loudspeaker, for completing the conversion between the signal of telecommunication and voice signal, is a kind of energy conversion device.Loud speaker generally includes box-type shell, contains vibrational system and magnetic circuit system in shell, and magnetic circuit system comprises magnet and magnetic gap, and vibrational system comprises the basin with compound and voice coil loudspeaker voice coil that combine, and the end of voice coil loudspeaker voice coil is positioned at magnetic gap.The magnetic circuit system of existing loud speaker is all directly be bonded on plastic casing, due to the structure that shell is airtight, and the material heat conductivility of plastics is poor, therefore the heat produced during voice coil loudspeaker voice coil work cannot distribute effectively and timely, heat all concentrates on enclosure, and what not only limit loud speaker bears power, also can scald shell simultaneously, even also voice coil loudspeaker voice coil can be burnt, the serious useful life that have impact on loud speaker.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of loud speaker, this loud speaker perfect heat-dissipating, and power bearing ability is strong, long service life.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of Microspeaker, comprise shell, contain vibrational system and magnetic circuit system, it is characterized in that, also comprise thermal component in described shell, described magnetic circuit system is fixed on described thermal component; Described thermal component is fixing on the housing, and described thermal component is provided with radiating part, the exposed outside at described shell of described radiating part.
Wherein, described shell comprises the first housing and the second housing that combine, and described thermal component is fixed on described first housing, the exposed outside at described first housing of described radiating part.
Wherein, two sidewalls that described first housing is relative are respectively provided with an installing hole, and described radiating part lays respectively at two described installing hole places.
Wherein, described thermal component comprises bottom, and described bottom is provided with a location hole, and described magnetic circuit system is fixedly mounted on described location hole place; Described radiating part is the flank being separately positioned on described two bottom sides.
Wherein, the outer surface of two described flanks all flushes with the outer surface of described first housing.
Wherein, the outer surface of two described flanks is equipped with dentalation.
Wherein, the described bottom being positioned at described location hole periphery is provided with stair-stepping location structure, and described location structure is arranged on the side of described thermal component near described second housing, and described magnetic circuit system is fixed on described location structure.
Wherein, described magnetic circuit system comprises magnetic conductive part and the magnet that is fixed on described magnetic conductive part and washer, and described magnetic conductive part is fixed on described location structure.
Wherein, described magnetic conductive part comprises basal part and is vertically set on the ring wall of described basal part periphery, described magnet and be provided with magnetic gap between described washer and described ring wall, and the end winding support of described ring wall is on described location structure.
Wherein, end face and the lateral surface of described ring wall respectively with the cascaded surface be connected and the side secure bond of described location structure.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model loud speaker comprises thermal component, magnetic circuit system is fixed on thermal component, and thermal component is fixed on the shell of loud speaker, and the exposed outside at shell of its radiating part.Magnetic circuit system is no longer directly fixed on plastic casing, but be fixed on thermal component, the exposed outside at loudspeaker housing of radiating part of thermal component, the heat produced when can be worked by voice coil loudspeaker voice coil is rapidly dispersed into the outside of housing, thus effectively raise the power bearing ability of loud speaker, also effectively avoid plastic casing to be burned simultaneously, also effectively reduce voice coil loudspeaker voice coil by the risk of burning, extend the useful life of loud speaker greatly.
Because the outer surface of flank is equipped with dentalation, dentalation adds the contact area of thermal component and extraneous air greatly, add the area of dissipation of thermal component, further improve the radiating efficiency of thermal component, improve radiating rate, further extend the useful life of loud speaker.
Because the bottom being positioned at location hole periphery is provided with stair-stepping location structure, magnetic circuit system is fixed on location structure.Location structure both served positioning action, also add the contact area between magnetic circuit system and thermal component simultaneously, thus improve between magnetic circuit system and thermal component in conjunction with firmness, effectively reduce the risk that magnetic circuit system comes off from radiator.
In sum, the utility model loud speaker solves the technical problems such as loud speaker heat dispersion in prior art is poor, useful life is short, the utility model loud speaker perfect heat-dissipating, and power bearing ability is strong, long service life.
Accompanying drawing explanation
Fig. 1 is the stereo decomposing structural representation of the utility model loud speaker;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the A-A line cutaway view of Fig. 2;
Fig. 4 is the structural representation of thermal component in Fig. 1;
In figure: 10, the first housing, 12, connecting hole, 14, installing hole, the 16, second housing, 20, dust cover, 22, basin with compound, 24, play ripple, 26, voice coil loudspeaker voice coil, 30, magnetic conductive part, the 32, first magnet, 34, washer, the 36, second magnet, 40, thermal component, 42, bottom, 420, location hole, 44, flank, 440, dentalation, 50, wire, 52, splicing ear, 54, wire harness, 60, connector.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The side at nearly Microspeaker center is depended in the inner side related in this specification, and outside refers to the side away from Microspeaker center; The orientation related in this specification refers to the direction being provided with vibrational system, under orientation, refer to the direction being provided with magnetic circuit system.
As Fig. 1 and Fig. 3 jointly shown in, a kind of loud speaker, comprises in space that the first housing 10 and the second housing 16, first housing 10 that combine and the second housing 16 surround and contains vibrational system and magnetic circuit system.The utility model loud speaker also comprises a thermal component 40, and magnetic circuit system is fixed on thermal component 40, and is suspended in the space that the first housing 10 and the second housing 16 surround by thermal component 40.The both sides sidewall that first housing 10 is relative is respectively equipped with a rectangular installing hole 14, the bearing of trend of installing hole 14 is consistent with this side sidewall bearing of trend of the first housing 10, thermal component 40 position corresponding with two installing holes 14 is provided with two radiating parts, two radiating parts are separately fixed in two installing holes 14, and the exposed outside at the first housing 10.
As Fig. 2, Fig. 3 and Fig. 4 jointly shown in, thermal component 40 comprises the bottom 42 of slab construction, and the middle part of bottom 42 is provided with a location hole 420, and magnetic circuit system is fixedly mounted on location hole 420 place.Two radiating parts are the flank 44 being separately positioned on relative position, both sides of the edge, bottom 42, two flanks 44 are perpendicular and all extend to the top of bottom 42 with bottom 42, and the width of two installing holes 14 is all consistent with the height of two flanks 44, two flanks 44 are separately fixed at two installing hole 14 places.The outer surface of two flanks 44 is all parallel is provided with many dentalations 440, in present embodiment, preferably the bearing of trend of every bar dentalation 440 is all consistent with the bearing of trend of flank 44, the plane definition of the tip formation of each dentalation 440 is the outer surface of flank 44, and the outer surface of this outer surface and the first housing 10 flushes.Dentalation 440 can increase the area of dissipation of thermal component 40 greatly, distributing advantageously with heat.
As Fig. 1 and Fig. 3 jointly shown in, magnetic circuit system comprises the magnetic conductive part 30 be fixed on thermal component 40, and magnetic conductive part 30 comprises basal part and is vertically set on the ring wall of basal part periphery.The centre of basal part is provided with a boss raised up, and boss is fixed with successively the first magnet 32, washer 34 and the second magnet 36, first magnet 32, washer 34 and is provided with magnetic gap between the second magnet 36 and ring wall.Vibrational system comprises the ring-type basin with compound 22 that edge part is fixed on the first housing 10 upper end, and the central part of basin with compound 22 is fixed with voice coil loudspeaker voice coil 26, and the upper end of voice coil loudspeaker voice coil 26 is coated with a dust cover 20.Voice coil loudspeaker voice coil 26 comprises speech coil framework and is looped around the coil of speech coil framework lower end, basin with compound 22 is combined in the middle part of speech coil framework, ripple 24 is played around being fixed with to combine with the speech coil framework peripheral ring at position of basin with compound 22, the edge part playing ripple 24 is fixed in the land inside the first housing 10, for preventing voice coil loudspeaker voice coil 26 and basin with compound 22 polarization.The lower end of voice coil loudspeaker voice coil 26 is positioned at magnetic gap, namely coil is positioned at magnetic gap, voice coil loudspeaker voice coil 26 does reciprocal moving up and down according to the sound wave signal of telecommunication of the alternation flowing through its coil in magnetic gap, basin with compound 22 is along with the motion up-down vibration of voice coil loudspeaker voice coil 26, instigate air sounding, thus complete the power conversion between electroacoustic.
As Fig. 3 and Fig. 4 jointly shown in, the bottom 42 being positioned at location hole 420 peripheral part is provided with stair-stepping location structure, and this location structure is arranged on bottom 42 near the side of the second housing 16.The ring wall of magnetic conductive part 30 is fixed on location structure, and the upper surface of ring wall and lateral surface respectively with the cascaded surface be connected and a side secure bond of location structure.Stair-stepping location structure not only plays the effect of location when equipped with loudspeaker, also add the contact area between magnetic conductive part 30 and thermal component 40 simultaneously, heat-transfer rate and efficiency can be improved, also improve simultaneously between magnetic circuit system and thermal component 40 in conjunction with firmness, effectively reduce the risk that magnetic circuit system comes off from thermal component 40.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, voice coil loudspeaker voice coil 26 is electrically connected a splicing ear 52 by wire 50, splicing ear 52 is electrically connected with one end of a wire harness 54, the other end of wire harness 54 passes loud speaker inner chamber from the sidepiece of the second housing 16 and is electrically connected with external circuit, thus by the sound wave electric signal transmission of alternation to voice coil loudspeaker voice coil 26.
As Fig. 1 and Fig. 2 jointly shown in, the first housing 10 and the second housing 16 are combined as a whole by ultrasonic welding process, and good airproof performance, bond strength is high.The two ends of the first housing 10 are also respectively equipped with the connector 60 that a connecting hole be connected with terminal equipment 12, two connecting hole 12 places are separately installed with an annular, and connector 60 can strengthen the bond strength of loud speaker and terminal.
The utility model by with the addition of a thermal component on original loud speaker, and magnetic circuit system is fixed on this thermal component, thus effectively improve the heat-sinking capability of loud speaker, improve the power bearing ability of loud speaker, and effectively extend the useful life of loud speaker.
The utility model above-described embodiment is only promote illustrating of the technical scheme of loud speaker heat-sinking capability to the utility model by increasing thermal component, wherein the structure of loud speaker is not limited in said structure, the technical solution of the utility model is applicable to any one and closes in cabinet speaker, those skilled in the art do not need to pay any creative work according to the description of above-described embodiment and just can be applied in the loud speaker of other structure by the technical solution of the utility model, therefore no matter whether other structure of loud speaker is same as the previously described embodiments, also no matter whether the structure of thermal component is same as the previously described embodiments, as long as increase thermal component in order to improve the heat-sinking capability of loud speaker in loud speaker, the product increased the service life all falls in protection range of the present utility model.
Band sequenced name (as the first housing and the second housing) related in this specification is only to distinguish technical characteristic, does not represent the position relationship between each feature, erection sequence and job order etc.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (10)
1. loud speaker, comprises shell, contains vibrational system and magnetic circuit system, it is characterized in that, also comprise thermal component in described shell, and described magnetic circuit system is fixed on described thermal component; Described thermal component is fixing on the housing, and described thermal component is provided with radiating part, the exposed outside at described shell of described radiating part.
2. loud speaker according to claim 1, is characterized in that, described shell comprises the first housing and the second housing that combine, and described thermal component is fixed on described first housing, the exposed outside at described first housing of described radiating part.
3. loud speaker according to claim 2, is characterized in that, two sidewalls that described first housing is relative are respectively provided with an installing hole, and described radiating part lays respectively at two described installing hole places.
4. loud speaker according to claim 3, is characterized in that, described thermal component comprises bottom, and described bottom is provided with a location hole, and described magnetic circuit system is fixedly mounted on described location hole place; Described radiating part is the flank being separately positioned on described two bottom sides.
5. loud speaker according to claim 4, is characterized in that, the outer surface of two described flanks all flushes with the outer surface of described first housing.
6. loud speaker according to claim 5, is characterized in that, the outer surface of two described flanks is equipped with dentalation.
7. the loud speaker according to the arbitrary claim of claim 4 to 6, it is characterized in that, the described bottom being positioned at described location hole periphery is provided with stair-stepping location structure, described location structure is arranged on the side of described thermal component near described second housing, and described magnetic circuit system is fixed on described location structure.
8. loud speaker according to claim 7, is characterized in that, described magnetic circuit system comprises magnetic conductive part and the magnet that is fixed on described magnetic conductive part and washer, and described magnetic conductive part is fixed on described location structure.
9. loud speaker according to claim 8, it is characterized in that, described magnetic conductive part comprises basal part and is vertically set on the ring wall of described basal part periphery, described magnet and be provided with magnetic gap between described washer and described ring wall, and the end winding support of described ring wall is on described location structure.
10. loud speaker according to claim 9, is characterized in that, the end face of described ring wall and lateral surface respectively with the cascaded surface be connected and the side secure bond of described location structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809374.8U CN205017575U (en) | 2015-10-17 | 2015-10-17 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809374.8U CN205017575U (en) | 2015-10-17 | 2015-10-17 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017575U true CN205017575U (en) | 2016-02-03 |
Family
ID=55216156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809374.8U Active CN205017575U (en) | 2015-10-17 | 2015-10-17 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231482A (en) * | 2016-08-12 | 2016-12-14 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN108429939A (en) * | 2017-02-15 | 2018-08-21 | 卡西欧计算机株式会社 | Speaker cabinet and projection arrangement |
| US11285447B2 (en) | 2013-10-17 | 2022-03-29 | Ashok Adrian Singh | Fluid treatment apparatus and process |
-
2015
- 2015-10-17 CN CN201520809374.8U patent/CN205017575U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11285447B2 (en) | 2013-10-17 | 2022-03-29 | Ashok Adrian Singh | Fluid treatment apparatus and process |
| CN106231482A (en) * | 2016-08-12 | 2016-12-14 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN106231482B (en) * | 2016-08-12 | 2019-10-18 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN108429939A (en) * | 2017-02-15 | 2018-08-21 | 卡西欧计算机株式会社 | Speaker cabinet and projection arrangement |
| US10616688B2 (en) | 2017-02-15 | 2020-04-07 | Casio Computer Co., Ltd. | Speaker box and projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |