CN102291648B - Peripheral frame of electromagnetic vibrating device and production method thereof - Google Patents
Peripheral frame of electromagnetic vibrating device and production method thereof Download PDFInfo
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- CN102291648B CN102291648B CN 201110204068 CN201110204068A CN102291648B CN 102291648 B CN102291648 B CN 102291648B CN 201110204068 CN201110204068 CN 201110204068 CN 201110204068 A CN201110204068 A CN 201110204068A CN 102291648 B CN102291648 B CN 102291648B
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- oscillation device
- electromagnetic oscillation
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- basin frame
- metal heat
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Abstract
The invention relates to a peripheral frame of an electromagnetic vibrating device. At least four metal cooling pieces are respectively embedded at the four corners of the peripheral frame, i.e. metal and plastic materials are injection-molded through a mold embedding method. One ends of the metal cooling pieces are fixedly connected with the magnetic return system of the electromagnetic vibrating device and the other ends of the metal cooling pieces are fixed with the fixing assembly of the shell of an electronic product, such as the fixing assembly of the shell of a sound box, the fixing assembly of the shell of a television and the like, so as to ensure that heat generated during the working of the magnetic return system and a voice coil can be conducted out through the metal cooling piece. Moreover, the two ends of the metal cooling pieces are respectively provided with a fixing hole to facilitate better fixation between the magnetic return system of the electromagnetic vibrating device and the fixing assembly of the electronic product.
Description
Technical field
The present invention relates generally to a kind of peripheral basin frame of electromagnetic oscillation device, refers in particular to by utilizing metal heat sink to be arranged on four jiaos of peripheral basin frame of electromagnetic oscillation device and returns the peripheral basin frame and preparation method thereof that system carries out a kind of electromagnetic oscillation device of thermolysis to magnetic.
Background technology
As everyone knows, what electromagnetic oscillation device was general common is exactly electromagnetic oscillation device, and electromagnetic oscillation device is commonly called as " loudspeaker ", and it is a kind of electro-acoustic element that converts electrical energy into acoustic energy.Simultaneously, in converting electrical energy into the process of acoustic energy, voice coil loudspeaker voice coil goes back to system with magnetic and plays leading role, by Fleming's law, when electric current passed through coil, this coil can produce motion in magnetic field, move back and forth as producing during by coil for alternating current, can drive the oscillating plate blow air during former should voice coil loudspeaker voice coil moving back and forth at this point, thereby sound, be the motion of coil in magnetic field of energising in simple terms.
Yet when coil electricity produced motion, the internal resistance due to copper or aluminum steel during the electric current flowing through coil made this coil method heat gradually, of long duration after this heat history Cheng Gaore, the misgivings of coil burnout finally appear.Bad if dispel the heat, even can cause whole electromagnetic oscillation device to burn and scrap.At present, the basin frame that electromagnetic oscillation device on the market adopts be all generally to make with plastics, cast aluminium or punching press ironware, and the material of plastics does not possess the conduction thermal property, and radiating effect is not good; Simultaneously, this basin frame still need possess the function that supports with fixing whole vibrating device weight, and electromagnetic oscillation device must ceaselessly move back and forth or vibrate when work, and the intensity of plastic tub frame is subject to certain test; And adopt cast aluminium basin frame to make, although possessed good heat dispersion, cost is higher; It is low that the iron material basin is put up, but need through punch forming, and appearance and modeling and thickness are limited, can't mention in the same breath with plastics, cast aluminium.
Summary of the invention
main purpose of the present invention is, a kind of peripheral basin frame of electromagnetic oscillation device is provided, its adopt at least one metal heat sink be embedded at respectively this periphery basin frame in, soon metal heat sink is inserted and is carried out Embedded injection mo(u)lding in mould of plastics, it is fixed in working of plastics, and one of this metal heat sink end goes back to system with the magnetic of this electromagnetic oscillation device and is connected and fixes, the fixation kit of its other end and this electronic product casing fixes, fixation kit as casing of loudspeaker box, the fixation kit of housing of TV set etc., the heat that makes the magnetic of long-term work return system's accumulation is able to conduct to outside air by this metal heat sink and discharges, thereby reach the purpose of heat radiation.
Another object of the present invention is to, a kind of peripheral basin frame of electromagnetic oscillation device is provided, advantages separately with plastic tub frame and metal, with the moulding of mould one shoot mode, the plastic injection mode can be with the shape of product variation, convenient production, nationality by the utilization of this metal heat sink, conducts out with heat again.The market routine is used is all-plastic or full aluminium, full iron material matter basin frame, and the Costco Wholesale of full aluminium is high, all-plastic cost low but insufficient strength and the heat dissipation characteristics of not having, and moulding and the intensity of full iron material matter are limited.The present invention combines the advantage of several basin framves, utilizes special construction and one shoot mode to complete, and with respect to the peripheral basin frame that adopts full aluminium to make in existing market, to reach the purpose that reduces its cost.
A further object of the present invention is, a kind of peripheral basin frame of electromagnetic oscillation device is provided, wherein, the two ends of this metal heat sink also have respectively a fixing hole, wherein an end and this magnetic go back to system and are connected to a fixed, its other end is used for fixing whole electromagnetic oscillation device, and is better fixing to reach whole electromagnetic oscillation device.
In order to achieve the above object, the technical solution adopted in the present invention is: a kind of peripheral basin frame of electromagnetic oscillation device is provided, and it has a pedestal and at least one metal heat sink; Wherein, this pedestal is a frame shape, a wherein end of this pedestal has a stiff end, and this stiff end is used for the fixation kit with electronic product casing, as fixing whole electromagnetic oscillation device between the fixation kit of casing of loudspeaker box, the fixation kit of housing of TV set etc.; Further, the inner ring surface of this stiff end also has a gluing section, for and the outstanding limit of electromagnetic oscillation device and vibrating reed between gluing; Its other end has a junction, is used for returning being fixedly connected with between system with the magnetic of this electromagnetic oscillation device;
Further, the periphery of this pedestal also has a metal terminal, is used for being connected between voice coil loudspeaker voice coil and the news sources in electromagnetic oscillation device.Again,
In the framework that is embedded in this pedestal of this heat radiating metal spare, the framework of its shape and this pedestal matches, a wherein end of this heat radiating metal spare and the magnetic of this electromagnetic oscillation device go back to system and are connected to a fixed, the fixation kit of its other end and electronic product casing fixes, as the fixation kit of casing of loudspeaker box, the fixation kit on TV shell etc., make magnetic return voice coil loudspeaker voice coil in system because of when work, the electric current heat that copper cash produces of flowing through can be discharged into the heat conduction in peripheral air via this heat dissipation metal plate; And the two ends of this heat radiating metal spare have respectively a fixing hole, be beneficial to and the magnetic of electromagnetic oscillation device return system and with the fixation kit of electronic product casing such as the fixation kit of casing of loudspeaker box, the fixation kit of housing of TV set etc. between better fix.
Further, this metal heat sink is a metal aluminium flake or other good metals of other thermal conductivity.
Further, this metal heat sink is embedded at respectively on four angles of this pedestal framework.
Further, this metal heat sink is mode and this pedestal formation one by injection moulding.
Moreover it is as follows that comprehensive various framework materials excellent lacks:
| Project | Cast aluminium | Chase | Plastics | Plastic-aluminum |
| The production and processing type | × | × | ○ | ○ |
| Quality consistency | × | × | ○ | ○ |
| The outward appearance consistency | × | × | ○ | ○ |
| Outward appearance is various, variability | ∨ | ∨ | ○ | ○ |
| Mechanical strength | ○ | ○ | × | ○ |
| Thermal endurance | ○ | ○ | × | ○ |
| Thermal conductivity | ○ | ∨ | × | ○ |
| Material cost | × | ○ | ○ | ∨ |
| Cost performance | × | ∨ | ∨ | ○ |
Excellent: zero, can: ∨ is poor: *
A kind of manufacture method of peripheral basin frame of electromagnetic oscillation device is provided simultaneously:
A. the metal aluminium flake is struck out consistent with this pedestal profile;
B. again this metal aluminium flake and metal terminal are put into to be injection molded in this pedestal mould and be integrated, form this periphery basin frame.
Beneficial effect of the present invention is, a kind of peripheral basin frame of electromagnetic oscillation device is provided, advantages separately with plastic tub frame and metal, with the moulding of mould one shoot mode, the plastic injection mode can be with the shape of product variation, convenient production, nationality by the utilization of this metal heat sink, conducts out with heat again.It adopts at least one metal heat sink to be embedded at respectively four jiaos of this periphery basin frame, the framework of its shape and this pedestal matches, and the two ends of this metal heat sink have respectively a fixing hole, be beneficial to and the magnetic of electromagnetic oscillation device return system and with the fixation kit of electronic product casing such as the fixation kit of casing of loudspeaker box, the fixation kit of housing of TV set etc. between better fix; A wherein end of this metal heat sink and the magnetic of this electromagnetic oscillation device go back to system and are connected to a fixed, its other end and extraneous electronic product fix, can discharge along this metal heat sink conduction with the heat that makes its magnetic go back to system, and nationality is by the utilization of this metal heat sink, with respect to the peripheral basin frame of the plastics of common electromagnetic oscillation device, played the effect of having stablized better whole electromagnetic oscillation device.The present invention combines the advantage of several basin framves, utilizes special construction and one shoot mode to complete, convenient formation, and high conformity, profile can variation, and the machine automatization equalization is convenient to a large amount of productions, and greatly reduces costs.
Description of drawings
Fig. 1 is stereogram of the present invention;
Fig. 2 is the structure chart of peripheral basin frame of the present invention;
Fig. 3 is scheme of installation of the present invention.
Embodiment
Please refer to Fig. 1 to shown in Figure 3, a kind of peripheral basin frame of electromagnetic oscillation device, it has a pedestal 10 and at least one metal heat sink 20; Wherein, this pedestal 10 is a frame shape, a wherein end of this pedestal 10 has a stiff end 11, this stiff end 11 be used for and the fixation kit of the shell of electronic product such as the fixation kit of casing of loudspeaker box, the fixation kit of housing of TV set etc. between fixing to whole electromagnetic oscillation device; Further, the inner ring surface of this stiff end 11 also has a gluing section 111, for and the outstanding limit 30 of electromagnetic oscillation device and vibrating reed 40 between gluing; Its other end has a junction 112, is used for returning being fixedly connected with between system 50 with the magnetic of this electromagnetic oscillation device;
Further, the periphery of this pedestal 10 also has a metal terminal 12, is used for being connected between electromagnetic oscillation device voice coil loudspeaker voice coil 60 and power supply.Again,
In the framework that is embedded at this pedestal 10 of this metal heat sink 20, the framework of its shape and this pedestal 10 matches, a wherein end of this metal heat sink 20 and the magnetic of this electromagnetic oscillation device go back to system 50 and are connected to a fixed, the fixation kit of its other end and electronic product casing fixes the fixation kit etc. of the shell of fixation kit as casing of loudspeaker box, television set, and the heat that produces when making magnetic return system 50 with voice coil loudspeaker voice coil 60 work discharges the heat conduction by this metal heat sink 20; And the two ends of this metal heat sink 20 have respectively a fixing hole 21, be beneficial to and the magnetic of electromagnetic oscillation device return system 50 and with the fixation kit of electronic product casing between better fix.
Further, this metal heat sink 20 is a metal aluminium flake.
Further, this metal heat sink 20 is embedded at respectively on four angles of this pedestal framework.
Further, this metal heat sink 20 is mode and this pedestal formation one by injection moulding.
Moreover it is as follows that comprehensive various framework materials excellent lacks:
| Project | Cast aluminium | Chase | Plastics | Plastic-aluminum |
| The production and processing type | × | × | ○ | ○ |
| Quality consistency | × | × | ○ | ○ |
| The outward appearance consistency | × | × | ○ | ○ |
| Outward appearance is various, variability | ∨ | ∨ | ○ | ○ |
| Mechanical strength | ○ | ○ | × | ○ |
| Thermal endurance | ○ | ○ | × | ○ |
| Thermal conductivity | ○ | ∨ | × | ○ |
| Material cost | × | ○ | ○ | ∨ |
| Cost performance | × | ∨ | ∨ | ○ |
Excellent: zero, can: ∨ is poor: *
A kind of manufacture method of peripheral basin frame of electromagnetic oscillation device is provided simultaneously:
A. it is consistent with this pedestal 10 profiles with metal heat sink 20 to be that the metal aluminium flake strikes out;
B. be that metal aluminium flake and metal terminal 12 are put into to be injection molded in these pedestal 10 moulds and be integrated again with this metal heat sink 20, form this periphery basin frame.
By above-mentioned execution mode, purpose of the present invention is by fully effective having reached.The personage who is familiar with this skill should be understood that the content that the present invention includes but be not limited to describe in accompanying drawing and top embodiment.Any modification that does not depart from function and structure principle of the present invention all will be included in the scope of claims.
Claims (6)
1. the peripheral basin frame of an electromagnetic oscillation device, it has a pedestal and at least one metal heat sink; It is characterized in that: metal heat sink is embedded at respectively four jiaos of this periphery basin frame, and a wherein end of this metal heat sink and the magnetic of this electromagnetic oscillation device go back to system and are connected to a fixed, the fixation kit of its other end and electronic product casing fixes, and can conduct to the outside along this metal heat sink with the heat that makes its magnetic go back to system.
2. the peripheral basin frame of a kind of electromagnetic oscillation device according to claim 1, it is characterized in that: described metal heat sink is a metal aluminium flake.
3. the peripheral basin frame of a kind of electromagnetic oscillation device according to claim 1, it is characterized in that: described pedestal is a frame shape, a wherein end of this pedestal has a stiff end, this stiff end be used for and electronic product between fixing to whole electromagnetic oscillation device.
4. the peripheral basin frame of a kind of electromagnetic oscillation device according to claim 3 is characterized in that: the inner ring surface of described stiff end also has a gluing section, for and the outstanding limit of electromagnetic oscillation device and vibrating reed between gluing; Its other end has a junction, returns being fixedly connected with between system with the magnetic of this electromagnetic oscillation device.
5. the peripheral basin frame of according to claim 1 or 3 described a kind of electromagnetic oscillation devices, it is characterized in that: the two ends of described metal heat sink have respectively a fixing hole, make the magnetic of itself and electromagnetic oscillation device return system and and electronic product between better fixing; And the periphery of the pedestal of this electromagnetic oscillation device also has a metal terminal, is used for being connected between this electromagnetic oscillation device and power supply.
6. the manufacture method of the peripheral basin frame of a kind of electromagnetic oscillation device according to claim 5:
Metal heat sink is struck out consistent with this pedestal profile;
Again this metal heat sink and metal terminal are put into to be injection molded in this pedestal mould and be integrated, form this periphery basin frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110204068 CN102291648B (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibrating device and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110204068 CN102291648B (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibrating device and production method thereof |
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| Publication Number | Publication Date |
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| CN102291648A CN102291648A (en) | 2011-12-21 |
| CN102291648B true CN102291648B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110204068 Active CN102291648B (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibrating device and production method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9319797B2 (en) * | 2012-03-30 | 2016-04-19 | Tang Band Industries Co., Ltd. | Electromagnetic vibration device and manufacturing method thereof |
| CN102611973A (en) * | 2012-03-30 | 2012-07-25 | 宁波升亚电子有限公司 | Electromagnetic vibration device and manufacturing method of electromagnetic vibration device |
| CN110139197A (en) * | 2018-02-02 | 2019-08-16 | 海能达通信股份有限公司 | Loudspeaker assembly and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2872353B2 (en) * | 1990-06-15 | 1999-03-17 | 株式会社日立製作所 | Projection display device |
| JP3161679B2 (en) * | 1995-02-23 | 2001-04-25 | アルパイン株式会社 | Speaker |
| CN201328183Y (en) * | 2008-09-03 | 2009-10-14 | 斯贝克电子（嘉善）有限公司 | Loudspeaker |
| CN201887939U (en) * | 2010-11-17 | 2011-06-29 | 宁波富声达电机有限公司 | Speaker |
| CN202190396U (en) * | 2011-07-21 | 2012-04-11 | 宁波升亚电子有限公司 | Peripheral frame of electromagnetic vibration device |
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