CN202190396U - Peripheral frame of electromagnetic vibration device - Google Patents
Peripheral frame of electromagnetic vibration device Download PDFInfo
- Publication number
- CN202190396U CN202190396U CN2011202576737U CN201120257673U CN202190396U CN 202190396 U CN202190396 U CN 202190396U CN 2011202576737 U CN2011202576737 U CN 2011202576737U CN 201120257673 U CN201120257673 U CN 201120257673U CN 202190396 U CN202190396 U CN 202190396U
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- China
- Prior art keywords
- oscillation device
- electromagnetic oscillation
- heat sink
- basin frame
- metal heat
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- 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.)
- Withdrawn - After Issue
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Abstract
Disclosed is a peripheral frame of an electromagnetic vibration device. At least one metallic radiating part is arranged at each of four corners of the peripheral frame, namely metal is embedded in a plastic mould by means of injection molding. One end of each metallic radiating part is fixedly connected with a magnetic loop system of the electromagnetic vibration device, the other end of each metallic radiating part is fixed with a fixing component of an outer casing of an electronic product, such as the fixing component of an outer casing of a loudspeaker box, the fixing component of an outer casing of a television and the like so that heat generated during operation of the magnetic loop system and voice coils is conducted out by the metallic radiating parts, and a fixing hole is arranged at each of two ends of each metallic radiating part so as to benefit better fixation of the magnetic loop system of the electromagnetic vibration device with the fixing component of the electronic product.
Description
Technical field
The utility model relates generally to a kind of peripheral basin frame of electromagnetic oscillation device, refers in particular to through four jiaos of peripheral basin frame that utilize metal heat sink to be installed in electromagnetic oscillation device to return 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; As moving back and forth for alternating current then can produce during through coil; Can drive the oscillating plate blow air during former at this point should voice coil loudspeaker voice coil moving back and forth, thereby sound, be the motion of coil in magnetic field of energising in simple terms.
Yet, when coil electricity produces motion, during the electric current flowing through coil because the internal resistance of copper (or aluminium) line makes 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 scrapping.At present, the basin frame that electromagnetic oscillation device on the market adopts generally all be to process 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 is when work, and that must not stop moves back and forth or vibrate, and the intensity of plastic tub frame receives certain test; And adopt cast aluminium basin frame to process, though possessed good performance of heat dissipation, 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
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; Be about to metal heat sink and insert and carry out Embedded injection mo(u)lding in the mould of plastics, it is fixed in the working of plastics, and one of this metal heat sink end and the magnetic of this electromagnetic oscillation device return that system is connected and fixes; The fixation kit of its other end and this electronic product casing fixes; Like the fixation kit of 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 reaches the purpose of heat radiation.
Another purpose of the utility model is; A kind of peripheral basin frame of electromagnetic oscillation device is provided, with the advantages separately of plastic tub frame and metal, with the moulding of mould one shoot mode; The plastics shoot mode can be with the shape of product variation; Convenient production, nationality is come out heat conduction by the utilization of this metal heat sink again; What the market routine was used is the perhaps full aluminium of all-plastic, full iron material matter basin frame, and the Costco Wholesale of full aluminium is high, and but the all-plastic cost hangs down the insufficient strength and the heat dissipation characteristics of not having, and the moulding and the intensity of full iron material matter are limited.The utility model in conjunction with the advantage of several kinds of basin framves, utilizes special construction and one shoot mode to accomplish, and the peripheral basin frame that adopts full aluminium to process in the relative existing market, to reach the purpose that reduces its cost.
A purpose again of the utility model is; A kind of peripheral basin frame of electromagnetic oscillation device is provided; Wherein, the two ends of this metal heat sink also have a fixing hole respectively, and wherein an end and this magnetic go back to system and is 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 scheme that the utility model adopted 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, this stiff end be used for and the fixation kit (like the fixation kit of casing of loudspeaker box, the fixation kit on the housing of TV set etc.) of electronic product casing between fixing to whole electromagnetic oscillation device; Further, the inner ring surface of this stiff end also has a gluing portion, for and outstanding limit of electromagnetic oscillation device and vibrating reed between gluing; Its other end has a junction, is used for returning being fixedly connected between the 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 source in the 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; The 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 (like the fixation kit of cabinet shell, the fixation kit on the housing of TV set etc.) is fixing; Make magnetic return voice coil loudspeaker voice coil in the system because of when work, the electric current heat that copper cash produces of flowing through can be discharged into the heat conduction in the peripheral air via this heat dissipation metal plate; And the two ends of this heat radiating metal spare have a fixing hole respectively, be beneficial to magnetic with electromagnetic oscillation device return system and and electronic product casing; As better fixing between the fixation kit of cabinet shell, the fixation kit on the TV shell etc.
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 to be integrally formed through injection molding way and this pedestal.
Moreover the excellent of comprehensive various framework materials lacks as follows:
| 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 vibrator is provided simultaneously:
A. the metal aluminium flake is struck out consistent with this pedestal profile;
B. this metal aluminium flake and metal terminal are put into injection moulding becomes one in this pedestal mould, formation should periphery basin frame again.
The beneficial effect of the utility model is; A kind of peripheral basin frame of electromagnetic oscillation device is provided, with the advantages separately of plastic tub frame and metal, with the moulding of mould one shoot mode; The plastics shoot mode can be with the shape of product variation; Convenient production, nationality is come out heat conduction by the utilization of this metal heat sink again; It adopts at least one metal heat sink to be embedded at four jiaos of this periphery basin frame respectively; The framework of its shape and this pedestal matches; And the two ends of this metal heat sink have a fixing hole respectively, be beneficial to and the magnetic of electromagnetic oscillation device return system and with the fixation kit (like the shell fixation kit of audio amplifier, the fixation kit of housing of TV set etc.) of electronic product casing 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; Heat to make its magnetic go back to system can discharge along this metal heat sink conduction; And nationality with respect to the peripheral basin frame of the plastics of common electromagnetic oscillation device, has played the effect of having stablized whole electromagnetic oscillation device better by the utilization of this metal heat sink; Moreover the utility model in conjunction with the advantage of several kinds of basin framves, utilizes special construction and one shoot mode to accomplish, convenient formation, and high conformity, profile can be diversified, and a large amount of productions are convenient in the mechanical automation operation, and reduce cost greatly.
Description of drawings
Fig. 1 is the stereogram of the utility model;
Fig. 2 is the peripheral basin shelf structure of the utility model figure;
Fig. 3 is the scheme of installation of the utility model.
Embodiment
Please referring to figs. 1 through 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, and a wherein end of this pedestal 10 has a stiff end 11, and this stiff end 11 is used for the fixation kit with electronic product casing; Like fixing to whole electromagnetic oscillation device between the fixation kit of fixedly the forming a team of casing of loudspeaker box, housing of TV set etc.; Further, the inner ring surface of this stiff end 11 also has a gluing portion 111, for and 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 between the 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 the 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; The wherein end that this heat radiation is 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, fixing etc. fixing like the fixation kit of casing of loudspeaker box, housing of TV set, the heat that is produced when making magnetic return system 50 with voice coil loudspeaker voice coil 60 work discharges the heat conduction through this metal heat sink 20; And the two ends of this metal heat sink 20 have a fixing hole 21 respectively, 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 to be integrally formed through injection molding way and this pedestal.
Moreover the excellent of comprehensive various framework materials lacks as follows:
| 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 vibrator is provided simultaneously:
A. strike out metal heat sink 20 (being the metal aluminium flake) consistent with this pedestal 10 profiles;
B. this metal heat sink 20 or metal aluminium flake and metal terminal 12 are put into injection moulding becomes one in these pedestal 10 moulds, formation should periphery basin frame again.
Through above-mentioned execution mode, the purpose of the utility model is by in full force and effect having reached.The personage who is familiar with this skill should be understood that the utility model includes but not limited to the content of describing in accompanying drawing and the top embodiment.Anyly do not depart from the function of the utility model and the modification of structural principle all will be included in the scope of claims.
Claims (5)
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 four jiaos of this periphery basin frame respectively, and the magnetic of a wherein end of this metal heat sink and this electromagnetic oscillation device goes back to system and be connected to a fixed, and the fixation kit of its other end and electronic product casing fixes.
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: said pedestal is a frame shape; A wherein end of this pedestal has a stiff end, and fixing whole electromagnetic oscillation device between the fixation kit of electronic product casing.
4. the peripheral basin frame of a kind of electromagnetic oscillation device according to claim 3, it is characterized in that: the inner ring surface of said stiff end also has a gluing portion, for and outstanding limit of electromagnetic oscillation device and vibrating reed between gluing; Its other end has a junction, returns being fixedly connected between the system with the magnetic of this electromagnetic oscillation device.
5. according to the peripheral basin frame of claim 1 or 3 described a kind of electromagnetic oscillation devices; It is characterized in that: the two ends of said metal heat sink have a fixing hole respectively, make the magnetic of its electromagnetic oscillation device return system and with the fixation kit of electronic product casing between better fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202576737U CN202190396U (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202576737U CN202190396U (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190396U true CN202190396U (en) | 2012-04-11 |
Family
ID=45921827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202576737U Withdrawn - After Issue CN202190396U (en) | 2011-07-21 | 2011-07-21 | Peripheral frame of electromagnetic vibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291648A (en) * | 2011-07-21 | 2011-12-21 | 宁波升亚电子有限公司 | Peripheral frame of electromagnetic vibrating device and production method thereof |
-
2011
- 2011-07-21 CN CN2011202576737U patent/CN202190396U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102291648A (en) * | 2011-07-21 | 2011-12-21 | 宁波升亚电子有限公司 | Peripheral frame of electromagnetic vibrating device and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20131106 |
|
| RGAV | Abandon patent right to avoid regrant |