CN202307422U - Heat conduction and fixing device of magnetic element - Google Patents
Heat conduction and fixing device of magnetic element Download PDFInfo
- Publication number
- CN202307422U CN202307422U CN 201120408258 CN201120408258U CN202307422U CN 202307422 U CN202307422 U CN 202307422U CN 201120408258 CN201120408258 CN 201120408258 CN 201120408258 U CN201120408258 U CN 201120408258U CN 202307422 U CN202307422 U CN 202307422U
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- magnetic element
- heat conduction
- metal shell
- magnetic
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Abstract
The utility model discloses a heat conduction and fixing device of a magnetic element, which comprises the magnetic element and a metal casing with the upper end opened. The magnetic element comprises a magnetic core, and a fixing hole is arranged outside the metal casing. The magnetic element is arranged in a cavity of the metal casing, a space is reserved between the magnetic element and the lateral wall of the metal casing, and heat conduction sealing glue is filled in the space between the magnetic element and the lateral wall of the metal casing and integrates the magnetic element and the metal casing in bonding mode. The whole heat conduction and fixing device can be firmly installed and fixed on another radiating base surface through screws, meets requirements for a higher vibration level of devices, well solves the problem of radiating of the magnetic element and ensures working reliability of devices.
Description
[technical field]
The utility model relates to magnetic element, comprises transformer and inductance, relates in particular to a kind of magnetic element heat conduction fixture.
[background technology]
In electronic product, the common mounting means of transformer or inductance is directly to be welded on the pcb board through skeleton.Having under the air blast cooling condition of fan, the heat of these magnetic elements is taken away through cooling air, and self does not have very big temperature rise.But, under the natural heat dissipation condition, under the airtight radiating condition that especially air can not flow fully, how to come out to avoid it to produce very big temperature rise the thermal conductance of these magnetic elements and cause device failure, be the problem of an extremely difficult solution.
For the especially airtight heat dissipation equipment of natural heat dissipation, having one usually has strong natural heat dissipation ability casing or heat-radiating substrate.The common heat conduction scheme of prior art is a pad one deck elastic heat conducting silica gel material between magnetic element and heat-radiating substrate, and the heat of magnetic element is transmitted on the heat-radiating substrate.But the heat-sinking capability of this mode is limited, under the bigger situation of magnetic element self-heating amount, is difficult to satisfy the heat radiation requirement.Simultaneously, when magnetic element self was heavier, the mode of this pcb board welding is fixing not to be very firm, can not satisfy the requirement of the higher vibration class of equipment.
[summary of the invention]
The technical problem that the utility model will solve provides a kind of magnetic element heat conduction fixture, so that the secure fixation magnetic element, and can guarantee that magnetic element has good heat-radiation effect.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is that a kind of magnetic element heat conduction fixture comprises the metal shell that magnetic element and upper end are uncovered; Described magnetic element comprises magnetic core, and described metal shell outer setting has fixing hole; Described magnetic element is arranged in the inner chamber of metal shell; Leave the gap between the sidewall of magnetic element and metal shell; Be filled with the heat conduction casting glue in the gap of magnetic element and metal shell sidewall, described heat conduction casting glue is with magnetic element and metal shell is bonding is integral.
Magnetic element heat conduction fixture according to claim 1, described heat conduction casting glue is polyurethane, acrylic resin, epoxy glue or organic siliconresin.
Magnetic element heat conduction fixture according to claim 1, the magnetic core of magnetic element is bonded on the diapire of said metal shell inner chamber through the heat conduction bonded adhesives.
Magnetic element heat conduction fixture according to claim 3, described heat conduction bonded adhesives is epoxide-resin glue, polyurethane resin adhesive or acrylic resin.
Magnetic element heat conduction fixture according to claim 1, said magnetic element is transformer or inductance.
Magnetic element heat conduction fixture according to claim 1, the bottom of said metal shell comprises installation foot, described fixing hole is arranged on the described installation foot.
Magnetic element heat conduction fixture according to claim 1, said metal shell cross section be shaped as rectangle, the material of metal shell is copper, iron or aluminium.
The metal shell of the utility model magnetic element heat conduction fixture is provided with fixing hole, can whole heat conduction fixture be fixed on another heat radiation basal plane through screw with multiple fit such as the upright dress or the dresses that crouches securely; The heat conduction casting glue is with magnetic element and metal shell is bonding is integral, and can satisfy the requirement of the higher vibration class of equipment.The heat that produces in the work of magnetic element passes to metal shell through the heat conduction casting glue, and metal shell conducts heat on the heat radiation basal plane again, has solved the heat dissipation problem of magnetic element well, has guaranteed the reliability of device work.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the front view of the utility model magnetic element heat conduction fixture embodiment.
Fig. 2 is the vertical view of the utility model magnetic element heat conduction fixture embodiment.
Fig. 3 is that A among Fig. 2 is to view.
Fig. 4 is the stereogram of the utility model magnetic element heat conduction fixture embodiment.
Fig. 5 is the exploded view of the utility model magnetic element heat conduction fixture embodiment.
[embodiment]
To the embodiment of the utility model magnetic element heat conduction fixture shown in Figure 5, magnetic element heat conduction fixture comprises metal shell 1, heat conduction bonded adhesives 2, heat conduction casting glue 4 and magnetic element 3 at Fig. 1.Magnetic element 3 comprises magnetic core 301 and coil 302, and magnetic element 3 is arranged in the inner chamber of metal shell 1, and the bottom of magnetic core 301 is bonded on the diapire 101 of metal shell 1 inner chamber through heat conduction bonded adhesives 2.Leave the gap between the sidewall 102 of magnetic element 3 and metal shell, be poured in the gap between magnetic element 3 and the metal shell sidewall 102, make all parts become as a whole with heat conduction casting glue 4.
4 installation feet 103 are arranged at metal shell 1 bottom, and installation foot 103 is provided with fixing hole (groove) 104, can whole heat conduction fixture be fixed on another heat radiation basal plane through screw securely.Whole heat conduction fixture can be used multiple fit such as the upright dress or the dress that crouches.The heat of magnetic element 3 is delivered to metal shell 1 through heat conduction Embedding Material 4, and metal shell 1 conducts heat on the heat radiation basal plane again, has solved the heat dissipation problem of magnetic element well, has guaranteed the reliability of device work.
In the present embodiment, the cross section of metal shell is rectangular.The material of metal shell can be the good metals of heat conduction such as copper, iron, aluminium.
Heat conduction bonded adhesives 2 can be high strength bonding glue such as epoxide-resin glue, polyurethane resin adhesive or acrylic size.Heat conduction casting glue 4 can be embedding Heat Conduction Materials such as polyurethane, acrylic resin, epoxy glue or organic siliconresin.
Above the utility model execution mode does not constitute the qualification to the utility model protection range.The modification of being done within any spirit and principle at the utility model, be equal to replacement and improvement etc., all should be included within the claim protection range of the utility model.
Claims (7)
1. a magnetic element heat conduction fixture comprises magnetic element, and described magnetic element comprises magnetic core, it is characterized in that, comprises the metal shell that the upper end is uncovered, and described metal shell outer setting has fixing hole; Described magnetic element is arranged in the inner chamber of metal shell; Leave the gap between the sidewall of magnetic element and metal shell; Be filled with the heat conduction casting glue in the gap of magnetic element and metal shell sidewall, described heat conduction casting glue is with magnetic element and metal shell is bonding is integral.
2. magnetic element heat conduction fixture according to claim 1 is characterized in that described heat conduction casting glue is polyurethane, acrylic resin, epoxy glue or organic siliconresin.
3. magnetic element heat conduction fixture according to claim 1 is characterized in that the magnetic core of magnetic element is bonded on the diapire of said metal shell inner chamber through the heat conduction bonded adhesives.
4. magnetic element heat conduction fixture according to claim 3 is characterized in that described heat conduction bonded adhesives is epoxide-resin glue, polyurethane resin adhesive or acrylic resin.
5. magnetic element heat conduction fixture according to claim 1 is characterized in that said magnetic element is transformer or inductance.
6. magnetic element heat conduction fixture according to claim 1 is characterized in that the bottom of said metal shell comprises installation foot, and described fixing hole is arranged on the described installation foot.
7. magnetic element heat conduction fixture according to claim 1 is characterized in that, said metal shell cross section be shaped as rectangle, the material of metal shell is copper, iron or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120408258 CN202307422U (en) | 2011-10-24 | 2011-10-24 | Heat conduction and fixing device of magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120408258 CN202307422U (en) | 2011-10-24 | 2011-10-24 | Heat conduction and fixing device of magnetic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307422U true CN202307422U (en) | 2012-07-04 |
Family
ID=46376266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120408258 Expired - Lifetime CN202307422U (en) | 2011-10-24 | 2011-10-24 | Heat conduction and fixing device of magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307422U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102917571A (en) * | 2012-09-28 | 2013-02-06 | 深圳麦格米特电气股份有限公司 | Power supply power device radiation structure |
| CN103050248A (en) * | 2012-12-26 | 2013-04-17 | 中国航天时代电子公司 | Weather-proof isolation transformer with metal full filling and sealing structure |
| CN104682722A (en) * | 2013-11-26 | 2015-06-03 | 台达电子企业管理（上海）有限公司 | Power switching device and assembling method thereof |
| CN104955319A (en) * | 2014-03-27 | 2015-09-30 | 特富特科技(深圳)有限公司 | Apparatus for installing electromagnetic device |
| CN105810400A (en) * | 2014-08-26 | 2016-07-27 | 现代自动车株式会社 | Cooling device used for transformer |
| CN106158279A (en) * | 2016-08-25 | 2016-11-23 | 江苏晨朗电子集团有限公司 | A kind of magnetics heat-conduction fixing device |
| CN107978422A (en) * | 2016-10-25 | 2018-05-01 | 特富特科技(深圳)有限公司 | A kind of magnetic device embedding shell mechanism |
-
2011
- 2011-10-24 CN CN 201120408258 patent/CN202307422U/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102917571B (en) * | 2012-09-28 | 2016-06-22 | 深圳麦格米特电气股份有限公司 | A kind of power device heat dissipation structure |
| CN102917571A (en) * | 2012-09-28 | 2013-02-06 | 深圳麦格米特电气股份有限公司 | Power supply power device radiation structure |
| CN103050248A (en) * | 2012-12-26 | 2013-04-17 | 中国航天时代电子公司 | Weather-proof isolation transformer with metal full filling and sealing structure |
| CN103050248B (en) * | 2012-12-26 | 2015-11-25 | 中国航天时代电子公司 | The isolating transformer of the full embedding structure of a kind of metal of resistance to environment |
| US9668384B2 (en) | 2013-11-26 | 2017-05-30 | Delta Electronics (Shanghai) Co., Ltd. | Power conversion device and method for assembling the same |
| CN104682722A (en) * | 2013-11-26 | 2015-06-03 | 台达电子企业管理（上海）有限公司 | Power switching device and assembling method thereof |
| CN104682722B (en) * | 2013-11-26 | 2018-01-26 | 台达电子企业管理（上海）有限公司 | Power supply change-over device and its assemble method |
| CN104955319B (en) * | 2014-03-27 | 2017-12-22 | 特富特科技(深圳)有限公司 | A kind of electromagnetic device erecting device |
| CN104955319A (en) * | 2014-03-27 | 2015-09-30 | 特富特科技(深圳)有限公司 | Apparatus for installing electromagnetic device |
| CN105810400A (en) * | 2014-08-26 | 2016-07-27 | 现代自动车株式会社 | Cooling device used for transformer |
| CN105810400B (en) * | 2014-08-26 | 2020-01-21 | 现代自动车株式会社 | Cooling device for transformer |
| CN106158279A (en) * | 2016-08-25 | 2016-11-23 | 江苏晨朗电子集团有限公司 | A kind of magnetics heat-conduction fixing device |
| CN107978422A (en) * | 2016-10-25 | 2018-05-01 | 特富特科技(深圳)有限公司 | A kind of magnetic device embedding shell mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |