CN204014036U - Electroacoustic transducer - Google Patents
Electroacoustic transducer Download PDFInfo
- Publication number
- CN204014036U CN204014036U CN201420194132.8U CN201420194132U CN204014036U CN 204014036 U CN204014036 U CN 204014036U CN 201420194132 U CN201420194132 U CN 201420194132U CN 204014036 U CN204014036 U CN 204014036U
- Authority
- CN
- China
- Prior art keywords
- heat
- conducting layer
- basin frame
- electroacoustic transducer
- voice coil
- 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.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920000260 silastic Polymers 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000003292 glue Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002969 artificial stone Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of electroacoustic transducer, comprise upper casing and lower casing, described upper casing and lower casing surround receiving space, in described receiving space, accommodate and be fixed with basin frame, magnetic circuit and vibrating diaphragm assembly, and: described basin frame comprises heat-conducting layer, described heat-conducting layer is pasted and is arranged at described basin frame near described lower casing one side, and described heat-conducting layer is corresponding with described basin frame shape; Described heat-conducting layer is made up of the high insulating material of conductive coefficient.The utility model electroacoustic transducer, adopt the insulating material of excellent radiation performance to be attached to basin frame surface, utilize the thermal conductivity of heat sink material to realize the transmission of heat, avoid voice coil temperature too high and cause that voice coil loudspeaker voice coil and the bonding glue of vibrating diaphragm lost efficacy, the reliability hidden danger such as voice coil loudspeaker voice coil loose wire and broken string.Insulating radiation material can also play the effect that prevents short circuit in realizing heat radiation simultaneously.Therefore, the utility model electroacoustic transducer has perfect heat-dissipating, the advantage that reliability is high.
Description
Technical field
The utility model relates to electroacoustic field, especially relates to a kind of perfect heat-dissipating, the electroacoustic transducer that reliability is high.
Background technology
Along with the expansion in consumer electronics market, the consumer electronics products such as a large amount of mobile phones, notebook computer are used widely, and as acoustic element important in consumer electronics product, electroacoustic transducer is used widely.Along with the raising that people require consumer electronics product, the acoustical behavior of consumer electronics product also more and more receives people's concern.
Consumer electronics product is in order to improve acoustical behavior, the sensitivity of electroacoustic transducer is produced to high requirement, and in order to pursue the high sensitivity of electroacoustic transducer, the power requirement of electroacoustic transducer is more and more higher, reliability difficulty is corresponding improve also, causes electroacoustic transducer voice coil loudspeaker voice coil caloric value high.When the electroacoustic transducer of traditional structure is worked, the heat that voice coil loudspeaker voice coil produces cannot be discharged in time, and voice coil temperature is too high, causes the bonding glue of voice coil loudspeaker voice coil and vibrating diaphragm to lose efficacy, the reliability hidden danger such as voice coil loudspeaker voice coil loose wire and broken string.
Therefore, be necessary to propose a kind of improvement, to overcome the above-mentioned defect of traditional structure electroacoustic transducer.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of perfect heat-dissipating, the electroacoustic transducer that reliability is high.
To achieve these goals, the utility model electroacoustic transducer is by the following technical solutions:
A kind of electroacoustic transducer, comprise upper casing and lower casing, described upper casing and lower casing surround receiving space, in described receiving space, accommodate and be fixed with basin frame, magnetic circuit and vibrating diaphragm assembly, and: described basin frame comprises heat-conducting layer, described heat-conducting layer is pasted and is arranged at described basin frame near described lower casing one side, and described heat-conducting layer is corresponding with described basin frame shape; Described heat-conducting layer is made up of the high insulating material of conductive coefficient.
As the preferred technical scheme of one, what the corresponding described basin frame of described lower casing fixed position was provided with that material forms goes to expect hole, described in described basin frame and described heat-conducting layer are fixed on, to go to expect in hole.
As such scheme further preferably, described heat-conducting layer is heat-conducting silica gel sheet; Described heat-conducting silica gel sheet comprises matrix and filling part, and described matrix is silastic material, and described filling part is thermal conductive ceramic powder.
Another kind as such scheme is further preferred, and described heat-conducting layer is without silicon conducting strip; Describedly comprise matrix and filling part without silicon conducting strip, described matrix is flexible acrylic material, and described filling part is thermal conductive ceramic powder.
Another kind as such scheme is further preferred, and described heat-conducting layer is graphite flake.
The utility model electroacoustic transducer, adopt the insulating material of excellent radiation performance to be attached to basin frame surface, utilize the thermal conductivity of heat sink material to realize the transmission of heat, avoid voice coil temperature too high and cause that voice coil loudspeaker voice coil and the bonding glue of vibrating diaphragm lost efficacy, the reliability hidden danger such as voice coil loudspeaker voice coil loose wire and broken string.Insulating radiation material can also play the effect that prevents short circuit in realizing heat radiation simultaneously.Therefore, the utility model electroacoustic transducer has perfect heat-dissipating, the advantage that reliability is high.
Brief description of the drawings
Fig. 1 is the utility model electroacoustic transducer explosive view;
Fig. 2 is electroacoustic transducer cutaway view shown in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model electroacoustic transducer concrete structure in detail.
As shown in Figure 1 and Figure 2, the utility model electroacoustic transducer comprises upper casing 1 and lower casing 2, and upper casing 1 surrounds receiving space with lower casing 2, accommodates and is fixed with basin frame 3, magnetic circuit 4 and vibrating diaphragm assembly 5 in receiving space.The voice coil loudspeaker voice coil of vibrating diaphragm assembly 5 is arranged in the magnetic gap of magnetic circuit 4, and when electroacoustic transducer work, the curent change in voice coil loudspeaker voice coil changes the suffered Lorentz force of voice coil loudspeaker voice coil, drives voice coil loudspeaker voice coil up-down vibration, thereby drives vibrating diaphragm vibration sounding.As shown in Figures 1 and 2, basin frame 3 is provided with heat-conducting layer 31 near lower casing 2 one sides, and heat-conducting layer 31 is corresponding with basin frame 3 shapes, to ensure that heat-conducting layer 31 and basin frame 3 combine closely; Heat-conducting layer 31 is pasted and is fixed with basin frame 3, and heat-conducting layer 31 is made up of the high insulating material of conductive coefficient, can effectively ensure that the heat on basin frame 3 passes in time by heat-conducting layer 31, improves the heat dispersion of electroacoustic transducer.The heat-conducting layer 31 of insulating material can also play the effect that prevents short circuit, improves the reliability of electroacoustic transducer.
As the preferred technical scheme of one, as shown in Figures 1 and 2, what the position of the corresponding basin frame 3 of lower casing 2 was provided with that material forms goes to expect hole 21, as shown in Figure 2, basin frame 3 is fixed on and expects in hole 21 with heat-conducting layer 31, go the design of expecting hole 21 can make the heat of heat-conducting layer 31 be dispersed in time electroacoustic transducer outside, further improve the radiating effect of the utility model electroacoustic transducer.
In actual applications, the heat-conducting layer 31 of the utility model electroacoustic transducer can be heat-conducting silica gel sheet, this heat-conducting silica gel sheet is taking silicon rubber as matrix, fills and makes with multiple high-performance ceramic powder, has that conductive coefficient is high, thermal resistance is low, a feature of good, the insulation of docile and obedient property on thermal component.
The heat-conducting layer 31 of the utility model electroacoustic transducer can be also without silicon conducting strip.This, is filled with thermal conductive ceramic powder taking flexible acrylic glue as matrix without silicon conducting strip, has good insulating properties and thermal conductivity.
The heat-conducting layer 31 of the utility model electroacoustic transducer can also be graphite flake, and this graphite flake is composited by artificial-synthetic stone's China ink, except putting in level heat-transfer capability excellence, also has in the vertical direction the ability of repeatedly soaking, can make spread heat more even.
Should know; these are only that preferably heat-conducting layer is not limited only to above-mentioned different materials, the heat-conducting layer of the insulating material that conductive coefficient is high all can embody the utility model electroacoustic transducer; belong to the mentality of designing of the utility model electroacoustic transducer, should include in the utility model protection range.
The utility model electroacoustic transducer, basin frame is near the surface of the lower casing heat-conducting layer corresponding with basin frame shape that be closely sticked, heat-conducting layer is made up of the high insulating material of conductive coefficient, ensure that the heat that electroacoustic transducer when work produces derives in time, avoid voice coil temperature too high and cause the reliability hidden danger such as voice coil loudspeaker voice coil and vibrating diaphragm bonding glue inefficacy, voice coil loudspeaker voice coil loose wire and broken string; Insulating radiation material can also play the effect that prevents short circuit in realizing heat radiation simultaneously.Therefore, the utility model electroacoustic transducer has perfect heat-dissipating, the advantage that reliability is high.
These are only the utility model case study on implementation, be not limited to the utility model, as long as the equivalence that those of ordinary skill in the art do according to the utility model institute disclosure is modified or changed, all should include in the protection range of recording in claims.
Claims (5)
1. an electroacoustic transducer, comprise upper casing and lower casing, described upper casing and lower casing surround receiving space, in described receiving space, accommodate and be fixed with basin frame, magnetic circuit and vibrating diaphragm assembly, it is characterized in that: described basin frame comprises heat-conducting layer, described heat-conducting layer is pasted and is arranged at described basin frame near described lower casing one side, and described heat-conducting layer is corresponding with described basin frame shape; Described heat-conducting layer is made up of insulating material.
2. electroacoustic transducer according to claim 1, is characterized in that: what the corresponding described basin frame of described lower casing fixed position was provided with that material forms goes to expect hole, described in described basin frame and described heat-conducting layer are fixed on, to go to expect in hole.
3. electroacoustic transducer according to claim 1 and 2, is characterized in that: described heat-conducting layer is heat-conducting silica gel sheet; Described heat-conducting silica gel sheet comprises matrix and filling part, and described matrix is silastic material, and described filling part is thermal conductive ceramic powder.
4. electroacoustic transducer according to claim 1 and 2, is characterized in that: described heat-conducting layer is without silicon conducting strip; Describedly comprise matrix and filling part without silicon conducting strip, described matrix is flexible acrylic material, and described filling part is thermal conductive ceramic powder.
5. electroacoustic transducer according to claim 1 and 2, is characterized in that: described heat-conducting layer is graphite flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194132.8U CN204014036U (en) | 2014-04-21 | 2014-04-21 | Electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420194132.8U CN204014036U (en) | 2014-04-21 | 2014-04-21 | Electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204014036U true CN204014036U (en) | 2014-12-10 |
Family
ID=52053972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420194132.8U Expired - Lifetime CN204014036U (en) | 2014-04-21 | 2014-04-21 | Electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204014036U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162466A (en) * | 2016-08-30 | 2016-11-23 | 歌尔股份有限公司 | A kind of speaker |
| WO2017157329A1 (en) * | 2016-03-17 | 2017-09-21 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with improved thermal characteristics |
| CN109151676A (en) * | 2018-11-09 | 2019-01-04 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN109151687A (en) * | 2018-11-09 | 2019-01-04 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN109451400A (en) * | 2018-11-09 | 2019-03-08 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN111147966A (en) * | 2019-12-25 | 2020-05-12 | 歌尔股份有限公司 | Loudspeaker module |
| CN109246553B (en) * | 2018-11-09 | 2021-03-30 | 歌尔股份有限公司 | Be applied to reinforcement portion and vibrating diaphragm of speaker vibrating diaphragm |
-
2014
- 2014-04-21 CN CN201420194132.8U patent/CN204014036U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017157329A1 (en) * | 2016-03-17 | 2017-09-21 | Sound Solutions International Co., Ltd. | Electroacoustic transducer with improved thermal characteristics |
| CN106162466A (en) * | 2016-08-30 | 2016-11-23 | 歌尔股份有限公司 | A kind of speaker |
| CN106162466B (en) * | 2016-08-30 | 2022-04-05 | 歌尔股份有限公司 | Loudspeaker |
| CN109151676A (en) * | 2018-11-09 | 2019-01-04 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN109151687A (en) * | 2018-11-09 | 2019-01-04 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN109451400A (en) * | 2018-11-09 | 2019-03-08 | 歌尔股份有限公司 | It is a kind of applied to the reinforcement part of the diaphragm of loudspeaker, vibrating diaphragm and loudspeaker |
| CN109451400B (en) * | 2018-11-09 | 2020-06-02 | 歌尔股份有限公司 | Be applied to reinforcement portion, vibrating diaphragm and speaker of speaker vibrating diaphragm |
| CN109151676B (en) * | 2018-11-09 | 2020-10-27 | 歌尔股份有限公司 | Be applied to reinforcement portion, vibrating diaphragm and speaker of speaker vibrating diaphragm |
| CN109151687B (en) * | 2018-11-09 | 2020-10-27 | 歌尔股份有限公司 | Be applied to reinforcement portion, vibrating diaphragm and speaker of speaker vibrating diaphragm |
| CN109246553B (en) * | 2018-11-09 | 2021-03-30 | 歌尔股份有限公司 | Be applied to reinforcement portion and vibrating diaphragm of speaker vibrating diaphragm |
| CN111147966A (en) * | 2019-12-25 | 2020-05-12 | 歌尔股份有限公司 | Loudspeaker module |
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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. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |