CN203644505U - Eddy-screening heat radiation shell of high-frequency transformer - Google Patents
Eddy-screening heat radiation shell of high-frequency transformer Download PDFInfo
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- CN203644505U CN203644505U CN201420005520.7U CN201420005520U CN203644505U CN 203644505 U CN203644505 U CN 203644505U CN 201420005520 U CN201420005520 U CN 201420005520U CN 203644505 U CN203644505 U CN 203644505U
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- transformer
- frequency transformer
- eddy
- high frequency
- transformer base
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Abstract
The utility model discloses an eddy-screening heat radiation shell of a high-frequency transformer. The eddy-screening heat radiation shell comprises a transformer base used for arranging the high-frequency transformer. Heat radiation grooves are formed in the inner wall of the transformer base, a screening cover is configured at an opening of the transformer base and composed of a cover side and four turnups, the four turnups are correspondingly connected with the four edges of the cover surface respectively and folded towards the same side, and wiring seams are formed between the adjacent turnups. The transformer base is provided with support parts having screw holes, and the screening cover is provided with mounting holes at the corresponding positions. The eddy-screening heat radiation shell has the advantages that the inner wall of the transformer base is provided with the heat radiation grooves which increase the superficial area of the inner wall, so that heat radiation is accelerated so as to guarantee stable operation of the high-frequency transformer; the screening cover is composed of the cover surface and the four turnups, the screening effect is better by the aid of the cover structure, and wiring of the high-frequency transformer is facilitated by the aid of the wiring seams formed between the adjacent turnups.
Description
Technical field
The utility model relates to high frequency transformer and manufactures field, particularly a kind of high frequency transformer eddy-current screen radiating shell.
Background technology
High frequency transformer is as the topmost part of Switching Power Supply; Switching Power Supply generally adopts semibridge system circuit for power conversion, when work two switch triodes in turn conducting produce tens to hundreds of kHz high-frequency impulse ripple, then carry out step-down by high frequency transformer, the alternating current of output LOW voltage, the number of turn ratio of each winding coil of high frequency transformer has determined the number of output voltage.
And in the high frequency transformer course of work, can produce high-intensity alternating magnetic field, then on the conductor around this alternating magnetic field, form vortex phenomenon, the generation of vortex phenomenon not only can cause the waste of large energy, and can cause equipment heating and affect normal work and the service behaviour of equipment.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, provides simple in structure, easy to process, good heat dissipation effect, a kind of high frequency transformer eddy-current screen radiating shell that shield effectiveness is good.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of high frequency transformer eddy-current screen radiating shell, comprise the transformer base for holding high frequency transformer, wherein, on the inwall of transformer base, be shaped with radiating groove, the opening part of transformer base disposes screening cover, screening cover is correspondingly respectively connected with four limits of capping and forms to the flange of homonymy turnover with four by capping, is provided with wiring and stitches between adjacent flange; On transformer base, be provided with strutting piece, be provided with screw on strutting piece, the correspondence position of screening cover is provided with installing hole.
For optimizing technique scheme, the concrete measure of taking also comprises:
The bottom of the above-mentioned transformer base formation platform that extends internally.
On the outer wall of above-mentioned transformer base, be vertically shaped with convex body, the surface of convex body is the face of cylinder.
Above-mentioned radiating groove is vertically arranged on the inwall of described transformer base.
The rectangular structure in cross section of above-mentioned radiating groove.
The number of above-mentioned strutting piece is four, and four strutting pieces are distributed in four jiaos of transformer base.
The height of above-mentioned strutting piece is less than the width of described flange.
Compared with prior art, a kind of high frequency transformer eddy-current screen of the utility model radiating shell, comprises transformer base and screening cover, is provided with strutting piece on transformer base, and screening cover is put on strutting piece and transformer base support and connection.On the inwall of transformer base, be shaped with radiating groove, radiating groove the surface area that has increased inwall is set, increased heat transfer area, thereby accelerated heat radiation to guarantee the stable operation of high frequency transformer; Screening cover is made up of capping and four flange, and the inside of screening cover forms the shielding space that surrounding is surrounded by flange, and between adjacent flange, leaves wiring seam, and to facilitate the wiring of high frequency transformer, the design of lid formula structure makes the shield effectiveness of screening cover better.
In addition, on the outer wall of transformer base, be shaped with convex body, convex body the surface area that has increased outer wall is set, strengthened the heat conduction between outer wall and outside air, accelerated distributing of heat, make radiating effect better; And on inwall, the convex body on radiating groove and outer wall all adopts the structure of vertical setting, makes to process convenient.
The number of strutting piece is four, and is distributed in four jiaos of transformer base, makes the support between screening cover and transformer base more steady; And the height of strutting piece is less than the width of described flange, in the time that screening cover is assembled on transformer base, the lower edge of flange is the upper surface lower than transformer base, and the opening of transformer base is covered in screening cover completely, makes shield effectiveness better.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is I portion enlarged drawing in Fig. 1;
Fig. 3 is II portion enlarged drawing in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
Embodiment as shown in figures 1 and 3,
Figure grade explanation: transformer base 1, platform 11, convex body 12, radiating groove 2, screening cover 3, installing hole 3a, capping 31, flange 32, wiring seam 33, strutting piece 4, screw 4a.
The utility model
A kind of high frequency transformer eddy-current screen radiating shell, comprise the transformer base 1 for holding high frequency transformer, wherein, on the inwall of transformer base 1, be shaped with radiating groove 2, the opening part of transformer base 1 disposes screening cover 3, screening cover 3 is correspondingly respectively connected with four limits of capping 31 and forms to the flange 32 of homonymy turnover with four by capping 31, is provided with wiring and stitches 33 between adjacent flange 32; On transformer base 1, be provided with strutting piece 4, be provided with screw 4a on strutting piece 4, the correspondence position of screening cover 3 is provided with installing hole 3a.
In embodiment, the bottom of transformer base 1 extends internally and forms platform 11.
In embodiment, be vertically shaped with convex body 12 on the outer wall of transformer base 1, the surface of convex body 12 is the face of cylinder.
In embodiment, radiating groove 2 is vertically arranged on the inwall of described transformer base 1.
In embodiment, the rectangular structure in the cross section of radiating groove 2.
In embodiment, the number of strutting piece 4 is four, and four strutting pieces 4 are distributed in four jiaos of transformer base 1.
In embodiment, the height of strutting piece 4 is less than the width of described flange 32.
This high frequency transformer eddy-current screen radiating shell, mainly formed by transformer base 1 and screening cover 3, the upper surface of transformer base 1 is provided with four strutting pieces 4, four strutting pieces 4 are shaped with respectively screw 4a, the correspondence position of screening cover 3 is provided with installing hole 3a, between screening cover 3 and the strutting piece 4 of depressor base 1, is connected by screw; In order to make connection between the two more stable, firmly, four strutting pieces 4 are distributed in four jiaos of transformer base 1.
The inwall of transformer base 1 is evenly shaped with radiating groove 2, is shaped with convex body 12 on its outer wall; The surface area that increase transformer base 1 inwall is set of radiating groove 2, increase the heat transfer area between inwall and interior media, accelerate inner heat conduction, same, the surface area that increase transformer base 1 outer wall is set of convex body 12, increase the heat transfer area between outer wall and extraneous air, accelerated distributing of heat on transformer base 1.The radiating effect that enhancing transformer base 1 is set of radiating groove 2 and convex body 12, has avoided affecting normal operation because of the excess Temperature of high frequency transformer.For easy to process, radiating groove 2 and convex body 12 all adopt structure are vertically set.
The bottom of transformer base 1 extends internally and forms platform 11, and the interior separation of transformer base 1 is become upper space and lower space by platform 11; When installation, first smear 703 glue in lower space, then high frequency transformer is put into base, prevent that transformer magnet steel from directly contacting with shell, plays antihunt action.Then pour into heat-conducting silicone grease, 5mm epoxy encapsulation is stayed on top, is used for fixing transformer and heat-conducting silicone grease.Finally install screening cover 3.Heat conductive silica gel and epoxy resin not only can be fixed high frequency transformer, also have the shockproof effect of buffering.
In the time that screening cover 3 is installed on transformer base 1, the upper surface of transformer base 1 upper supporting piece 4 supports mutually with the lower surface of screening cover 3 cappings 31, because the height of strutting piece 4 is less than the width of described flange 32, after screening cover 3 is in place, the lower of the flange 32 of screening cover 3 be removed the upper surface after strutting piece 4 parts along meeting lower than transformer base 1, thereby the opening of transformer base 1 is covered in the enclosure space being surrounded by the flange 32 of screening cover 3, to guarantee shield effectiveness completely.
Most preferred embodiment of the present utility model is illustrated, and the various variations of being made by those of ordinary skills or remodeling can not depart from scope of the present utility model.
Claims (7)
1. a high frequency transformer eddy-current screen radiating shell, comprise the transformer base (1) for holding high frequency transformer, it is characterized in that: on the inwall of described transformer base (1), be shaped with radiating groove (2), the opening part of described transformer base (1) disposes screening cover (3), described screening cover (3), by capping (31) and four flange (32) formations that correspondence is connected with four limits of capping (31) and turns down to homonymy respectively, is provided with wiring seam (33) between adjacent flange (32); On described transformer base (1), be provided with strutting piece (4), on described strutting piece (4), be provided with screw (4a), the correspondence position of described screening cover (3) is provided with installing hole (3a).
2. a kind of high frequency transformer eddy-current screen radiating shell according to claim 1, is characterized in that: the bottom of described transformer base (1) extends internally and forms platform (11).
3. a kind of high frequency transformer eddy-current screen radiating shell according to claim 2, it is characterized in that: on the outer wall of described transformer base (1), be vertically shaped with convex body (12), the surface of described convex body (12) is the face of cylinder.
4. a kind of high frequency transformer eddy-current screen radiating shell according to claim 3, is characterized in that: described radiating groove (2) is vertically arranged on the inwall of described transformer base (1).
5. a kind of high frequency transformer eddy-current screen radiating shell according to claim 4, is characterized in that: the rectangular structure in cross section of described radiating groove (2).
6. a kind of high frequency transformer eddy-current screen radiating shell according to claim 5, is characterized in that: the number of described strutting piece (4) is four, and four strutting pieces (4) are distributed in four jiaos of transformer base (1).
7. a kind of high frequency transformer eddy-current screen radiating shell according to claim 6, is characterized in that: the height of described strutting piece (4) is less than the width of described flange (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005520.7U CN203644505U (en) | 2014-01-06 | 2014-01-06 | Eddy-screening heat radiation shell of high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005520.7U CN203644505U (en) | 2014-01-06 | 2014-01-06 | Eddy-screening heat radiation shell of high-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644505U true CN203644505U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005520.7U Expired - Fee Related CN203644505U (en) | 2014-01-06 | 2014-01-06 | Eddy-screening heat radiation shell of high-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644505U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700986A (en) * | 2015-01-15 | 2015-06-10 | 安徽省神虹变压器股份有限公司 | Anti-theft transformer casing |
| CN105140007A (en) * | 2015-10-13 | 2015-12-09 | 东莞市昱懋纳米科技有限公司 | Power transformer |
| CN105206410A (en) * | 2015-11-03 | 2015-12-30 | 信华科技（厦门）有限公司 | Automated production line of vehicle-mounted transformers |
-
2014
- 2014-01-06 CN CN201420005520.7U patent/CN203644505U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700986A (en) * | 2015-01-15 | 2015-06-10 | 安徽省神虹变压器股份有限公司 | Anti-theft transformer casing |
| CN105140007A (en) * | 2015-10-13 | 2015-12-09 | 东莞市昱懋纳米科技有限公司 | Power transformer |
| CN105206410A (en) * | 2015-11-03 | 2015-12-30 | 信华科技（厦门）有限公司 | Automated production line of vehicle-mounted transformers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20180106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |