CN202178146U - Flat transformer and switch power supply - Google Patents
Flat transformer and switch power supply Download PDFInfo
- Publication number
- CN202178146U CN202178146U CN 201120316772 CN201120316772U CN202178146U CN 202178146 U CN202178146 U CN 202178146U CN 201120316772 CN201120316772 CN 201120316772 CN 201120316772 U CN201120316772 U CN 201120316772U CN 202178146 U CN202178146 U CN 202178146U
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- transformer
- conducting metal
- components
- flat
- metal row
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Abstract
The utility model discloses a flat transformer and a switch power supply. The flat transformer comprises a magnetic core, a large current coil and a small current coil, wherein the large current coil is coupled to the small current coil through the magnetic core. The large current coil is a flat coil which comprises a coil body and two outwards-protruding pins, and the pins are respectively connected with the input end of the coil body and the output end of the coil body, wherein at least one pin is a conductive metal row. The flat transformer is fixed on a flat radiator through the conductive metal row of the transformer in the switch power supply, and heat generated by the transformer and large current electronic components of the switch power supply can be well transferred to the flat radiator through the conductive metal row, thereby improving radiating effect of main heating components of the switch power supply. The transformer is fixed on the flat radiator through the conductive metal row, thereby improving anti-vibration effect of the transformer. Harsh vibration conditions of an automobile power supply can be met.
Description
[technical field]
The utility model relates to power technology, relates in particular to a kind of flat-plate transformer and Switching Power Supply.
[background technology]
The tradition high power switching power supply is main with air cooling way; Along with the increase of power and the raising of density; The plate concentrated radiating mode of water-cooled is more and more universal; Adopt the large power supply of water-cooled flat radiator, need the heat of main heating parts in the power module be sent to radiator as much as possible, in the power module except the heating of strong current transformer; The heat radiation of the former limit power tube of big electric current, big electric current output rectifying tube and high-power resistance is also very difficult, and the traditional heat-dissipating mode is difficult to perfect transformer and the large-current electric sub-element heat dissipation problem of solving.
The development of automobile power source, more and more harsher to the anti-vibration requirement of components and parts.Magnetic device mounting meanss such as orthodox car power transformer are difficult to satisfy the harsh vibration condition of automobile, and failure rate is higher.
[summary of the invention]
The technical problem that the utility model will solve provides a kind of heat radiation and the good flat-plate transformer of vibration-isolating effect.
Another technical problem that will solve of the utility model provides a kind of element radiating and the good Switching Power Supply of vibration-isolating effect.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopts is; A kind of flat-plate transformer comprises magnetic core, passes through big current coil and little current coil that magnetic core is coupled, and described big current coil is a plate coil; Described plate coil comprises coil body and two overhanging pins, and described pin is connected with coil body input, output respectively; Wherein, at least 1 pin is conducting metal row.
Above-described flat-plate transformer; Two overhanging pins all are conducting metal rows; Described conducting metal row is rectangular tabular, and two conducting metal rows are parallel to each other, and comprise the installation screwed hole of the sub-components and parts of large-current electric and the installing hole of transformer on the conducting metal row.
Above-described flat-plate transformer, the sub-components and parts of described large-current electric are power tube, rectifying tube or resistance.
Above-described flat-plate transformer, described coil body comprise at least two plate coil unit, and described plate coil unit also connects or is connected in series; Described plate coil unit comprises at least two dull and stereotyped rings that have opening, and described dull and stereotyped ring is in series or in parallel with each other; The axis of coil body vertically arranges, input, the output of the plate coil unit of below are connected described conducting metal row with coil body respectively.
Above-described flat-plate transformer; Described conducting metal row respectively with coil body input, the output of the plate coil unit of below is connected through screw, or described conducting metal is arranged and is respectively coil body two outside extensions of dull and stereotyped ring in plate coil unit below.
A kind of Switching Power Supply; Comprise transformer, flat radiator, PCB circuit board, shell and the sub-components and parts of a plurality of large-current electric; Described shell comprises loam cake; Described transformer is the described transformer of claim 1, and described transformer is fixed on the flat radiator through the conducting metal row of transformer.
Above-described Switching Power Supply; Comprise a plurality of transformer mounting screws and a plurality of electronic devices and components mounting screw; The conducting metal row of transformer is rectangular tabular; Article 2, conducting metal row is parallel to each other, and comprises the installation screwed hole of transformer installing hole and the sub-components and parts of large-current electric on the conducting metal row; The sub-components and parts of described large-current electric are arranged in conducting metal row's upper surface, and the thermal conductive surface of the sub-components and parts of large-current electric contacts with conducting metal row's upper surface; Described flat radiator comprises transformer installation screwed hole; Installing hole and the transformer installing hole on the conducting metal row that the transformer mounting screw passes the sub-components and parts of part large-current electric are screwed into the transformer installation screwed hole on the flat radiator, and transformer is fixed on the flat radiator; The installation screwed hole that the installing hole that the electronic devices and components mounting screw passes the sub-components and parts of all the other large-current electrics is screwed into the sub-components and parts of large-current electric on the electric metal row is fixed on the sub-components and parts of all the other large-current electrics on the conducting metal row.
Above-described Switching Power Supply comprises electric insulation layer between conducting metal row's lower surface and the flat radiator, and transformer mounting screw and conducting metal row go up between the transformer installing hole and leave the space, between the two mutually insulated.
Above-described Switching Power Supply, described PCB circuit board layout is above conducting metal row and the sub-components and parts of large-current electric, and described PCB circuit board has the working hole of loading and unloading screw in the position of corresponding transformer mounting screw and electronic devices and components mounting screw; Described PCB circuit board has the transformer hole in the position of corresponding magnetic core of transformer, and described magnetic core of transformer passes the transformer hole of PCB circuit board.
Above-described Switching Power Supply comprises the thermal conductive silicon film, and the bottom surface of said magnetic core of transformer is seated on the flat radiator, well contacts with flat radiator; Described thermal conductive silicon film is arranged between the inner surface of magnetic core of transformer end face and outer casing upper cover, well contacts with both.
The heat that the sub-components and parts of the utility model flat-plate transformer and Switching Power Supply large-current electric produce can be transferred to flat radiator well through conducting metal row, has improved the radiating effect of Switching Power Supply main heating components and parts; Transformer is fixed on the vibration-isolating effect that has also improved transformer on the flat radiator through conducting metal row, makes Switching Power Supply can satisfy the harsh vibration condition of automobile power source.
[description of drawings]
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the outline drawing of the utility model embodiment Switching Power Supply.
Fig. 2 is an echelon sectional view of the utility model embodiment Switching Power Supply.
Fig. 3 is the partial enlarged drawing at I position among Fig. 2.
Fig. 4 is that A among Fig. 3 is to cutaway view.
Fig. 5 is the stereogram of the utility model embodiment flat-plate transformer and the sub-components and parts sub-assembly of large-current electric positive direction.
Fig. 6 is the inverted stereogram of the sub-components and parts sub-assembly of the utility model embodiment flat-plate transformer and large-current electric.
Fig. 7 is the front view of the utility model embodiment flat-plate transformer and the sub-components and parts sub-assembly of large-current electric.
Fig. 8 is the vertical view of the utility model embodiment flat-plate transformer and the sub-components and parts sub-assembly of large-current electric.
Fig. 9 is the upward view of the utility model embodiment flat-plate transformer and the sub-components and parts sub-assembly of large-current electric.
Figure 10 is the left view of the utility model embodiment flat-plate transformer and the sub-components and parts sub-assembly of large-current electric.
Figure 11 is the stereogram of the utility model embodiment flat-plate transformer.
Figure 12 is the stereogram of the utility model embodiment flat-plate transformer plate coil positive direction.
Figure 13 is the inverted stereogram of the utility model embodiment flat-plate transformer plate coil.
Figure 14 is the stereogram of dull and stereotyped ring of the utility model embodiment flat-plate transformer opening and conducting metal row integrative-structure.
Figure 15 is the front view of dull and stereotyped ring of the utility model embodiment flat-plate transformer opening and conducting metal row integrative-structure.
[embodiment]
To the embodiment of the utility model Switching Power Supply shown in Figure 15, the Switching Power Supply bag comprises flat-plate transformer, flat radiator 6, PCB circuit board 7, shell 8 and 10 sub-components and parts 5 of large-current electric at Fig. 1.
The sub-components and parts 5 of large-current electric can be power tube, rectifying tube or resistance.
Flat-plate transformer comprises magnetic core 1, passes through the primary coil 2 and the secondary coil of magnetic core 1 coupling.Because the transformer in the present embodiment is a step-down transformer, primary coil 2 is little current coils, and secondary coil is big current coil.
The secondary coil of present embodiment is a plate coil 4, and plate coil 4 comprises coil body and two conducting metal rows 405,406 as overhanging pin.
Conducting metal row 405,406 is rectangular tabular; Two conducting metal rows 405,406 of coil body input, output are parallel to each other, and comprise the installation screwed hole 407 of the sub-components and parts of large-current electric and the installing hole 408 of transformer on the conducting metal row 405,406.
The axis of coil body arranges that vertically two plate coil unit arranging are up and down arranged on the coil body.Following plate coil unit comprises that two C fonts have the dull and stereotyped ring 401 and 402 of opening, and the upper flat plate coil unit comprises that two C fonts have the dull and stereotyped ring 403 and 404 of opening.The dull and stereotyped ring 403 of opening and 404 is through backing metal 410 series connection; The dull and stereotyped ring 401 of opening and 402 is through backing metal 409 series connection, and two plate coil unit are through backing metal 411,412 parallel connections up and down; Two plate coil unit connect with backing metal 413 at the series connection position of dull and stereotyped ring up and down.
Conducting metal row 405,406 and 401,402 splits of dull and stereotyped ring; Conducting metal row 405 links together through screw 415 with the dull and stereotyped ring 401 of opening; Conducting metal row 406 links together through screw 414 with the dull and stereotyped ring 402 of opening, like Figure 11, shown in Figure 12.Conducting metal row also can be an integrative-structure with dull and stereotyped ring, and like Figure 14, shown in 15, conducting metal row 405 be structure as a whole with dull and stereotyped ring 401, and conducting metal row 405 is exactly the outside extension of an end of dull and stereotyped ring 401 openings of opening.
In order to reduce resistance, conducting metal row 405,406 and dull and stereotyped ring 401,402,403,404 are all processed with copper coin or aluminium sheet.
The primary coil 2 of little electric current is by 201 parallel with one another compositions of 5 unit; 5 unit 201 are clipped in the middle dull and stereotyped ring 401,402,403,404, and copper wire, enamelled wire or three layer insulation wire coiling can be processed, also can be used in 5 unit of primary coil with copper sheet.
10 sub-components and parts 5 of large-current electric are arranged in two conducting metal rows' 405,406 upper surface, and the thermal conductive surface of the sub-components and parts of large-current electric contacts with conducting metal row 405,406 upper surface.The installed surface of flat radiator 6 has 4 transformers that screwed hole 601 is installed; 4 transformer mounting screws 10 pass the installing hole of 4 sub-components and parts 5 of large-current electric respectively and transformer that the transformer installing hole 408 on the conducting metal row 405,406 is screwed on the flat radiator is installed screwed hole 601, and transformer is fixed on the flat radiator 6.The installation screwed hole 407 that the installing hole that electronic devices and components mounting screw 11 passes all the other 6 sub-components and parts 5 of large-current electric is screwed into the sub-components and parts of large-current electric on the electric metal row is separately fixed at all the other 6 sub-components and parts of large-current electric on the conducting metal row 405,406.
Because conducting metal row the 405, the 406th, Ampereconductors not only needs and external insulation, also will insulate to prevent secondary coil short circuit each other.Between conducting metal row 405,406 lower surface and the flat radiator 6 electric insulation layer 12 is arranged, leave enough spaces between the transformer installing hole 408 on transformer mounting screw 10 and the conducting metal row 405,406, between the two mutually insulated.
In order to let magnetic core of transformer dispel the heat better, the bottom surface 101 of magnetic core of transformer 1 is seated on the installed surface of flat radiator 6, with the installed surface of flat radiator 6 excellent contact is arranged.Thermal conductive silicon film 13 is arranged between the inner surface of magnetic core of transformer 1 end face 102 and outer casing upper cover 801, well contacts with both, and the heat of magnetic core of transformer is distributed through outer casing upper cover 801.
The heat that the sub-components and parts of above embodiment flat-plate transformer of the utility model and Switching Power Supply large-current electric produce can be transferred to flat radiator with the shortest heat conduction approach well through conducting metal row, has solved the heat dissipation problem of transformer with the power tube of big electric current perfectly.Improved the radiating effect of Switching Power Supply main heating components and parts.
Conducting metal row is fastened on the while on the radiator, also simultaneously flat-plate transformer and radiator is linked to be an integral body, and the vibration resistance of flat-plate transformer is greatly improved, and makes Switching Power Supply can satisfy the violent vibration environment of automobile.
Claims (10)
1. flat-plate transformer; Comprise magnetic core, pass through big current coil and little current coil that magnetic core is coupled; Described big current coil is a plate coil; It is characterized in that described plate coil comprises coil body and two overhanging pins, described pin is connected with coil body input, output respectively; Wherein, at least 1 pin is conducting metal row.
2. flat-plate transformer according to claim 1; It is characterized in that; Two overhanging pins all are conducting metal rows; Described conducting metal row is rectangular tabular, and two conducting metal rows are parallel to each other, and comprise the installation screwed hole of the sub-components and parts of large-current electric and the installing hole of transformer on the conducting metal row.
3. flat-plate transformer according to claim 2 is characterized in that, the sub-components and parts of described large-current electric are power tube, rectifying tube or resistance.
4. flat-plate transformer according to claim 2 is characterized in that, described coil body comprises at least two plate coil unit, and described plate coil unit also connects or is connected in series; Described plate coil unit comprises at least two dull and stereotyped rings that have opening, and described dull and stereotyped ring is in series or in parallel with each other; The axis of coil body vertically arranges, input, the output of the plate coil unit of below are connected described conducting metal row with coil body respectively.
5. flat-plate transformer according to claim 4; It is characterized in that; Described conducting metal row respectively with coil body input, the output of the plate coil unit of below is connected through screw, or described conducting metal is arranged and is respectively coil body two outside extensions of dull and stereotyped ring in plate coil unit below.
6. Switching Power Supply; Comprise transformer, flat radiator, PCB circuit board, shell and the sub-components and parts of a plurality of large-current electric; Described shell comprises loam cake; It is characterized in that described transformer is the described transformer of claim 1, described transformer is fixed on the flat radiator through the conducting metal row of transformer.
7. Switching Power Supply according to claim 6; It is characterized in that; Comprise a plurality of transformer mounting screws and a plurality of electronic devices and components mounting screw; The conducting metal row of transformer is rectangular tabular, and 2 conducting metal rows are parallel to each other, and comprise the installation screwed hole of transformer installing hole and the sub-components and parts of large-current electric on the conducting metal row; The sub-components and parts of described large-current electric are arranged in conducting metal row's upper surface, and the thermal conductive surface of the sub-components and parts of large-current electric contacts with conducting metal row's upper surface; Described flat radiator comprises transformer installation screwed hole; Installing hole and the transformer installing hole on the conducting metal row that the transformer mounting screw passes the sub-components and parts of part large-current electric are screwed into the transformer installation screwed hole on the flat radiator, and transformer is fixed on the flat radiator; The installation screwed hole that the installing hole that the electronic devices and components mounting screw passes the sub-components and parts of all the other large-current electrics is screwed into the sub-components and parts of large-current electric on the electric metal row is fixed on the sub-components and parts of all the other large-current electrics on the conducting metal row.
8. Switching Power Supply according to claim 7 is characterized in that, comprises electric insulation layer between conducting metal row's lower surface and the flat radiator, and transformer mounting screw and conducting metal row go up between the transformer installing hole and leave the space, between the two mutually insulated.
9. Switching Power Supply according to claim 7; It is characterized in that; Described PCB circuit board layout is above conducting metal row and the sub-components and parts of large-current electric, and described PCB circuit board has the working hole of loading and unloading screw in the position of corresponding transformer mounting screw and electronic devices and components mounting screw; Described PCB circuit board has the transformer hole in the position of corresponding magnetic core of transformer, and described magnetic core of transformer passes the transformer hole of PCB circuit board.
10. according to the described Switching Power Supply of arbitrary claim in the claim 6 to 9, it is characterized in that comprise the thermal conductive silicon film, the bottom surface of said magnetic core of transformer is seated on the flat radiator, well contacts with flat radiator; Described thermal conductive silicon film is arranged between the inner surface of magnetic core of transformer end face and outer casing upper cover, well contacts with both.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120316772 CN202178146U (en) | 2011-08-26 | 2011-08-26 | Flat transformer and switch power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120316772 CN202178146U (en) | 2011-08-26 | 2011-08-26 | Flat transformer and switch power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202178146U true CN202178146U (en) | 2012-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120316772 Expired - Fee Related CN202178146U (en) | 2011-08-26 | 2011-08-26 | Flat transformer and switch power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202178146U (en) |
Cited By (4)
| 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 |
| CN107610903A (en) * | 2017-09-27 | 2018-01-19 | 联合汽车电子有限公司 | Integrated electric supply installation |
| CN108475989A (en) * | 2016-01-21 | 2018-08-31 | 三菱电机株式会社 | Circuit device and power inverter |
| CN109346449A (en) * | 2018-11-13 | 2019-02-15 | 北方电子研究院安徽有限公司 | A kind of high-power high-voltage LTCC module heat dissipating encapsulation |
-
2011
- 2011-08-26 CN CN 201120316772 patent/CN202178146U/en not_active Expired - Fee Related
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 |
| 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 |
| CN108475989A (en) * | 2016-01-21 | 2018-08-31 | 三菱电机株式会社 | Circuit device and power inverter |
| CN108475989B (en) * | 2016-01-21 | 2020-08-21 | 三菱电机株式会社 | Circuit device and power conversion device |
| CN107610903A (en) * | 2017-09-27 | 2018-01-19 | 联合汽车电子有限公司 | Integrated electric supply installation |
| CN109346449A (en) * | 2018-11-13 | 2019-02-15 | 北方电子研究院安徽有限公司 | A kind of high-power high-voltage LTCC module heat dissipating encapsulation |
| CN109346449B (en) * | 2018-11-13 | 2024-04-16 | 北方电子研究院安徽有限公司 | High-power high-voltage LTCC module heat dissipation package |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20200826 |