CN205900264U - Planar transformer - Google Patents
Planar transformer Download PDFInfo
- Publication number
- CN205900264U CN205900264U CN201620811820.3U CN201620811820U CN205900264U CN 205900264 U CN205900264 U CN 205900264U CN 201620811820 U CN201620811820 U CN 201620811820U CN 205900264 U CN205900264 U CN 205900264U
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- magnetic core
- copper sheet
- flat
- welding pin
- plate
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Abstract
The utility model discloses a planar transformer, it includes the bottom plate, sets up the magnetic core on the bottom plate, the copper sheet winding of suit in the magnetic core, one side on the bottom plate is provided with two paster feet, and opposite side on the bottom plate is provided with the one or more screw, the copper sheet winding is connected gradually by a plurality of square copper sheets from beginning to end to be formed, and the both ends of copper sheet winding are provided with a welding pin and the 2nd welding pin respectively, a welding pin and the 2nd welding pin are connected with two paster feet electricity respectively, still be provided with an excessive pressure excess temperature protection circuit module who is used for protecting the transformer on the bottom plate. The utility model provides a planar transformer, its winding comprises the copper sheet of platykurtic, has simple structure, and the radiating effect is good, and interference killing feature advantage such as strong through setting up excessive pressure excess temperature protection circuit module, has improved the life of transformer moreover greatly, has effectively improved its operational reliability.
Description
Technical field
This utility model is related to transformer technology field, more particularly, to a kind of flat-plate transformer.
Background technology
Develop to high power density and high efficiency direction with power supply product, because flat-plate transformer is improving Switching Power Supply
Characteristic aspect have this larger advantage, and with the plurality of advantages (as high frequency, low moulding, low core loss etc.) of its own
It is widely used in dc/dc power module.At present, existing flat-plate transformer, it is not good to there is radiating effect, anti-interference
The problems such as ability is difficult to the demand meeting electronic product, and on transformator, do not have corresponding protection device to protect transformation yet
Device, leads to the functional reliability of transformator to reduce.
Utility model content
For overcoming the problem of the deficiencies in the prior art and presence, this utility model provides a kind of flat-plate transformer, this flat board
Transformator with good heat dissipation effect, strong antijamming capability, the advantages of functional reliability is high,
This utility model is achieved through the following technical solutions: a kind of flat-plate transformer, and it includes base plate, is arranged at bottom
Magnetic core on plate, is set in the copper sheet winding in magnetic core, and the side on described base plate is provided with two paster feet, another on base plate
Side is provided with one or more screws, and described copper sheet winding is sequentially connected by multiple square copper sheet head and the tail and forms, copper sheet winding
Two ends be respectively arranged with the first welding pin and the second welding pin, described first welding pin is with the second welding pin respectively
Electrically connect with two paster feet.
Preferably, described magnetic core includes the first magnetic core and the second magnetic core, and the first magnetic core is fixed by glue with the second magnetic core
Connect；The highly preferred height being more than the second welding pin of described first welding pin.
Further, described base plate is additionally provided with one for protecting the over-pressed thermal-shutdown circuit module of transformator；Excellent
Selection of land, described overvoltage thermal-shutdown circuit module includes varistor protection circuit and critesistor protection circuit.
Further, the top of described magnetic core is provided with insulating paper.
Preferably, the composition material of described copper sheet is rose copper, and the surface of copper sheet has insulating barrier, and described copper sheet is in flat
Shape.
The flat-plate transformer that this utility model provides, its winding is made up of the copper sheet of flat, has structure simply, radiating
Effect is good, the advantages of strong antijamming capability, and by the over-pressed thermal-shutdown circuit module of setting, substantially increases transformator
Service life, effectively increases its functional reliability.
Brief description
Fig. 1 is the side structure schematic diagram of flat-plate transformer described in this utility model embodiment.
Fig. 2 is the overlooking the structure diagram of flat-plate transformer described in this utility model embodiment.
Fig. 3 is structural representation when copper sheet winding described in this utility model embodiment launches.
Wherein, drawing reference numeral is: 1- base plate, 2- magnetic core, 21- first magnetic core, 22- second magnetic core, 3- copper sheet winding, and 4- pastes
Piece foot, 5- screw, 31- first welding pin, 32- second welding pin, 6- insulating paper, 7- glue, 8- bolt.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments this utility model is made into
One step describes in detail.
As illustrated in the accompanying drawings from 1 to 3, a kind of flat-plate transformer, it includes base plate 1, is arranged at the magnetic core 2 on base plate 1, is set in
Copper sheet winding in magnetic core 2, the side on described base plate 1 is provided with two paster feet 4, and the opposite side on base plate 1 is provided with one
Or multiple screw 5, this screw 5 is used for fixing transformator by the cooperation with bolt 8.(in the present embodiment, Fig. 2 show two
Individual), described copper sheet winding 3 is sequentially connected by multiple square copper sheet head and the tail and forms, and the two ends of copper sheet winding 3 are respectively arranged with
One welding pin 31 and the second welding pin 32, described first welding pin 31 and the second welding pin 32 respectively with two paster feet
4 electrical connections.In the present embodiment, described magnetic core 2 includes the first magnetic core 21 and the second magnetic core 22, the first magnetic core 21 and the second magnetic core 22
It is fixedly connected by glue 7.For strengthening the insulating reliability of flat-plate transformer, the top of described magnetic core 2 is provided with insulating paper 6.
As preferred embodiment, the composition material of described copper sheet is that (rose copper has good electric conductivity and heat conduction to rose copper
Property), the surface of copper sheet has insulating barrier, and described copper sheet is in flat；In the present embodiment, the thickness of copper sheet is 0.25mm, width
It is then 3mm.Because winding adopts described copper sheet winding, its electric conductivity is good with heat conductivity, and copper sheet winding is using the side of stacking
Formula is set in magnetic core 2 so that the advantages of the good heat dissipation effect of transformator, strong antijamming capability.Further, since copper sheet winding is
Stacking is set in described magnetic core 2, first welding pin 31 at copper sheet winding two ends and the second welding pin 32 location
It is different, for the ease of being connected with paster foot 4, described the highly preferred of first welding pin 31 is more than the second welding pin
32 height.In the present embodiment, the height of the first welding pin 31 is 5.5mm, and the height of the second welding pin 32 is 2.5mm.
As preferred embodiment, described base plate 1 is additionally provided with one for protecting the over-pressed overheat protector electricity of transformator
Road module (in figure is simultaneously not drawn into this over-pressed thermal-shutdown circuit module).In the present embodiment, described overvoltage thermal-shutdown circuit mould
Block includes varistor protection circuit and critesistor protection circuit, is respectively used to transformator is carried out with overvoltage protection and excess temperature guarantor
Shield, to substantially increase the service life of transformator, thus effectively increase its functional reliability.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, not
On the premise of departing from inventive concept of the present utility model, any obvious replace all protection domain of the present utility model it
Interior.The replacement being clear to is all within protection scope of the present invention.
Claims (8)
1. a kind of flat-plate transformer it is characterised in that: include base plate, be arranged at the magnetic core on base plate, be set in the copper in magnetic core
Piece winding, the side on described base plate is provided with two paster feet, and the opposite side on base plate is provided with one or more screws, described
Copper sheet winding is sequentially connected by multiple square copper sheet head and the tail and forms, and the two ends of copper sheet winding are respectively arranged with the first welding pin
With the second welding pin, described first welding pin electrically connected with two paster feet respectively with the second welding pin.
2. flat-plate transformer according to claim 1 it is characterised in that: be additionally provided with described base plate one for protection change
The over-pressed thermal-shutdown circuit module of depressor.
3. flat-plate transformer according to claim 2 it is characterised in that: described overvoltage thermal-shutdown circuit module include press
Quick resistance protection circuit and critesistor protection circuit.
4. the flat-plate transformer according to any one in claims 1 to 3 it is characterised in that: the top of described magnetic core sets
It is equipped with insulating paper.
5. flat-plate transformer according to claim 4 it is characterised in that: the height of described first welding pin be more than second
The height of welding pin.
6. flat-plate transformer according to claim 5 it is characterised in that: the composition material of described copper sheet be rose copper, copper sheet
Surface there is insulating barrier.
7. flat-plate transformer according to claim 6 it is characterised in that: described copper sheet be in flat.
8. flat-plate transformer according to claim 1 it is characterised in that: described magnetic core includes the first magnetic core and the second magnetic
Core, the first magnetic core is fixedly connected by glue with the second magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620811820.3U CN205900264U (en) | 2016-07-29 | 2016-07-29 | Planar transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620811820.3U CN205900264U (en) | 2016-07-29 | 2016-07-29 | Planar transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205900264U true CN205900264U (en) | 2017-01-18 |
Family
ID=57785709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620811820.3U Active CN205900264U (en) | 2016-07-29 | 2016-07-29 | Planar transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205900264U (en) |
-
2016
- 2016-07-29 CN CN201620811820.3U patent/CN205900264U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |