CN205069335U - Power transformer - Google Patents
Power transformer Download PDFInfo
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- CN205069335U CN205069335U CN201520892196.XU CN201520892196U CN205069335U CN 205069335 U CN205069335 U CN 205069335U CN 201520892196 U CN201520892196 U CN 201520892196U CN 205069335 U CN205069335 U CN 205069335U
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- contact pin
- ear
- magnetic core
- power transformer
- copper
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Abstract
The utility model relates to a power transformer, include: base, E -shaped magnetic cores, as primary side winding's primary with as copper ring, epoxy plate, closing cap magnetic core and the copper bar that converges of vice limit winding, be equipped with on the base first contact pin that a plurality of and primary electricity is connected and with the electric second contact pin of being connected of copper ring, copper ring's both ends are extended the provide (shenglvehao)with foreign exchange respectively and are flowed the first ear of copper bar grafting and the second ear that supplies the second contact pin to peg graft. Through locating E -shaped magnetic cores on the base, the cover closing cap magnetic core on locating primary and the copper ring on the E -shaped magnetic cores and locating E -shaped magnetic cores, simple structure, the volume is less. Through first contact pin of locating on the base and being connected with the primary electricity as primary side winding and the second contact pin of being connected with the copper ring electricity as vice limit winding, on being convenient for weld the circuit board in the power with power transformer through the mode of grafting, do benefit to the wiring. Through the copper bar of being connected with the copper ring electricity that converges, realize bearing great direct current output.
Description
Technical field
The utility model relates to transformer technology field, particularly relates to a kind of power transformer.
Background technology
Current, along with the development of science and technology, the kind of portable electric appts more and more becomes variation, when giving charging portable electronic apparatus, usually needs the power supply of corresponding specification, such as: LED power, Domestic electric appliances power source etc.Because the conventional transformer structure of power source internal is complicated, be unfavorable for miniaturization; And at power source internal, traditional transformer and circuit board realize the mode be electrically connected, normally direct fly line primary and secondary coil extraction in traditional transformer being used for weld on circuit boards, is unfavorable for that circuit board power source connects up; In addition, the vice-side winding of traditional transformer adopts the mode of coil, cannot carry larger direct current.
Utility model content
Based on this, be necessary for the problems referred to above, the power transformer that a kind of volume is little, be beneficial to wiring, can carry larger direct current is provided.
A kind of power transformer, comprising: pedestal, the E-type magnetic core be located on described pedestal, be sheathed on described E-type magnetic core wrapping post on copper band, the copper bar that confluxes being located at epoxy plate between described primary coil with described copper band, being located at the capping magnetic core on described E-type magnetic core and being electrically connected with described copper band of the primary coil as former limit winding and the some stacked setting as vice-side winding; Described pedestal is provided with some first contact pins and some second contact pins, and described first contact pin is electrically connected with described primary coil, and described second contact pin is electrically connected with described copper band; Insulation diaphragm is provided with between two adjacent described copper bands; One end of described copper band extends the first ear, and the other end dorsad described first ear extends the second ear, and copper bar grafting of confluxing described in this first ear supplies, this second ear is for described second contact pin grafting.
Wherein in an embodiment, the riser that described pedestal comprises base plate and arranges along the part edge of described base plate, described base plate extends two convex extension parts; Described riser is located at by described first contact pin, and described second contact pin wears described convex extension part; Described E-type magnetic core is arranged on the described base plate between described riser and described second contact pin.
Wherein in an embodiment, described insulation diaphragm comprises the ring part on the wrapping post being sheathed on described E-type magnetic core and is shaped in the transverse part at edge of described ring part, and corresponding described first ear of at least part of described transverse part and described second ear are arranged.
Wherein in an embodiment, described first ear offers the first jack, described in conflux copper bar insert described first jack; Described second ear offers the second jack, and described second contact pin inserts described second jack.
Wherein in an embodiment, described in the conflux middle part of copper bar be arranged with UI type magnetic core as filter inductance.
Wherein in an embodiment, described in the conflux middle part of copper bar be arranged with magnet ring as filter inductance.
Wherein in an embodiment, the both sides of described primary coil are respectively equipped with the copper band of some stacked settings, described in conflux copper bar respectively grafting be positioned at the first ear of the described copper band of the both sides of described primary coil.
Wherein in an embodiment, described epoxy plate laminated structure ringwise.
Wherein in an embodiment, the number of described second contact pin is two, and described primary coil has two terminals, and two described terminals are distinguished second contact pin described with two correspondingly and are electrically connected.
Wherein in an embodiment, described E-type magnetic core comprises square plate, be convexly equipped in wrapping post in the middle part of described square plate and two side plates, two described side plates are symmetrically distributed in the both sides of described wrapping post, described side plate offers towards the arc inner wall of described wrapping post, part side and the described arc inner wall of described primary coil and copper band support.
Above-mentioned power transformer by being located at E-type magnetic core on pedestal, the capping magnetic core that is sheathed on primary coil on the wrapping post of E-type magnetic core and copper band and is located on E-type magnetic core, structure is simple, small volume.Moreover, by being located at the first contact pin be electrically connected on pedestal and with the primary coil as former limit winding and the second contact pin be electrically connected with the copper band as vice-side winding, be convenient to power transformer to be welded on circuit board in the supply by the mode of grafting, be beneficial to wiring.In addition, by the copper bar that confluxes be electrically connected with copper band, realize the larger direct current of carrying and export.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one preferred embodiment power transformer;
Fig. 2 is the explosive view of power transformer shown in Fig. 1;
Fig. 3 is copper band shown in Fig. 2 and the structural representation of insulation diaphragm.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
As shown in Figure 1 to Figure 3, the power transformer 10 of the utility model one preferred embodiment, comprising: the copper band 14 of pedestal 11, E-type magnetic core 12, the primary coil 13 as former limit winding, the some stacked setting as vice-side winding, epoxy plate 15, capping magnetic core 16 and the copper bar 17 that confluxes.E-type magnetic core 12 comprises square plate 121, be convexly equipped in the both sides that wrapping post 122 in the middle part of square plate 121 and two side plates, 123, two side plates 123 are symmetrically distributed in wrapping post 122.The square plate 121 of E-type magnetic core 12 is located on pedestal 11, and primary coil 13 and copper band 14 are sheathed on the wrapping post 122 of E-type magnetic core 12.In order to block primary coil 13 and copper band 14 better, side plate 123 offers towards the arc inner wall 124 of wrapping post 122, part side and the arc inner wall 124 of primary coil 13 and copper band 14 support, and prevent primary coil 13 and copper band 14 from shaking.Epoxy plate 15 is located between primary coil 13 and copper band 14.Capping magnetic core 16 is located on E-type magnetic core 12, concrete, and capping magnetic core 16 is located on two side plates 123 of E-type magnetic core 12, and primary coil 13 and copper band 14 are sheathed on the wrapping post 122 between capping magnetic core 16 and square plate 121.
The copper bar 17 that confluxes is electrically connected with copper band 14, and pedestal 11 is provided with some first contact pins 181 be electrically connected with primary coil 13 and some second contact pins 182 be electrically connected with copper band 14.Insulation diaphragm 183 is provided with between two adjacent copper bands 14.For the ease of being connected with conflux copper bar 17 and copper band 14, the first ear 141 for copper bar 17 grafting of confluxing is extended in one end of copper band 14, and the other end of copper band 14 dorsad the first ear 141 extends the second ear 142 for the second contact pin 182 grafting.Concrete, the first ear 141 offers the first jack (figure does not mark), the copper bar 17 that confluxes inserts the first jack.Second ear 142 offers the second jack (figure does not mark), the second contact pin 182 inserts the second jack.
In the present embodiment, the riser 112 that pedestal 11 comprises base plate 111 and arranges along the part edge of base plate 111, base plate 112 extends two convex extension parts 113.First contact pin 181 is located on riser 112, and the second contact pin 182 wears convex extension part 113.The square plate 121 of E-type magnetic core 12 is arranged on the base plate 111 between riser 112 and the second contact pin 182.
In the present embodiment, insulation diaphragm 183 comprises the transverse part at the ring part be sheathed on the wrapping post 122 of E-type magnetic core 12 and the edge being shaped in ring part, and corresponding first ear 141 of at least part of transverse part and the second ear 142 are arranged.
In the present embodiment, the middle part of the copper bar 17 that confluxes is arranged with in UI type magnetic core 19, magnet ring etc. one or more, as filter inductance.
In the present embodiment, the both sides of primary coil 13 are respectively equipped with the copper band 14 of some stacked settings, conflux copper bar 17 respectively grafting be positioned at the first ear 141 of the copper band 14 of the both sides of primary coil 13.
In the present embodiment, epoxy plate 15 laminated structure ringwise.
In the present embodiment, the number of the second contact pin 182 is two, and primary coil 13 has two terminals, 131, two terminals 131 and is electrically connected with two the second contact pins 182 correspondingly respectively.
Above-mentioned power transformer 10 by being located at E-type magnetic core 12 on pedestal 11, the capping magnetic core 16 that is sheathed on primary coil 13 on the wrapping post 122 of E-type magnetic core 12 and copper band 14 and is located on E-type magnetic core 12, structure is simple, small volume.Moreover, by being located at the first contact pin 181 be electrically connected on pedestal 11 and with the primary coil 13 as former limit winding and the second contact pin 182 be electrically connected with the copper band 14 as vice-side winding, be convenient to power transformer 10 to be welded on circuit board in the supply by the mode of grafting, be beneficial to wiring.In addition, by the copper bar 17 that confluxes be electrically connected with copper band 14, realize the larger direct current of carrying and export.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a power transformer, it is characterized in that, comprising: pedestal, the E-type magnetic core be located on described pedestal, be sheathed on described E-type magnetic core wrapping post on copper band, the copper bar that confluxes being located at epoxy plate between described primary coil with described copper band, being located at the capping magnetic core on described E-type magnetic core and being electrically connected with described copper band of the primary coil as former limit winding and the some stacked setting as vice-side winding; Described pedestal is provided with some first contact pins and some second contact pins, and described first contact pin is electrically connected with described primary coil, and described second contact pin is electrically connected with described copper band; Insulation diaphragm is provided with between two adjacent described copper bands; One end of described copper band extends the first ear, and the other end dorsad described first ear extends the second ear, and copper bar grafting of confluxing described in this first ear supplies, this second ear is for described second contact pin grafting.
2. power transformer according to claim 1, is characterized in that, the riser that described pedestal comprises base plate and arranges along the part edge of described base plate, and described base plate extends two convex extension parts; Described riser is located at by described first contact pin, and described second contact pin wears described convex extension part; Described E-type magnetic core is arranged on the described base plate between described riser and described second contact pin.
3. power transformer according to claim 1, it is characterized in that, described insulation diaphragm comprises the ring part on the wrapping post being sheathed on described E-type magnetic core and is shaped in the transverse part at edge of described ring part, and corresponding described first ear of at least part of described transverse part and described second ear are arranged.
4. power transformer according to claim 1, is characterized in that, described first ear offers the first jack, described in conflux copper bar insert described first jack; Described second ear offers the second jack, and described second contact pin inserts described second jack.
5. power transformer according to claim 1, is characterized in that, described in the conflux middle part of copper bar be arranged with UI type magnetic core as filter inductance.
6. power transformer according to claim 1, is characterized in that, described in the conflux middle part of copper bar be arranged with magnet ring as filter inductance.
7. power transformer according to claim 1, is characterized in that, the both sides of described primary coil are respectively equipped with the copper band of some stacked settings, described in conflux copper bar respectively grafting be positioned at the first ear of the described copper band of the both sides of described primary coil.
8. power transformer according to claim 1, is characterized in that, described epoxy plate laminated structure ringwise.
9. power transformer according to claim 1, is characterized in that, the number of described second contact pin is two, and described primary coil has two terminals, and two described terminals are distinguished second contact pin described with two correspondingly and are electrically connected.
10. power transformer according to claim 1, it is characterized in that, described E-type magnetic core comprises square plate, be convexly equipped in wrapping post in the middle part of described square plate and two side plates, two described side plates are symmetrically distributed in the both sides of described wrapping post, described side plate offers towards the arc inner wall of described wrapping post, part side and the described arc inner wall of described primary coil and copper band support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892196.XU CN205069335U (en) | 2015-11-09 | 2015-11-09 | Power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892196.XU CN205069335U (en) | 2015-11-09 | 2015-11-09 | Power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069335U true CN205069335U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520892196.XU Active CN205069335U (en) | 2015-11-09 | 2015-11-09 | Power transformer |
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| Country | Link |
|---|---|
| CN (1) | CN205069335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225808A (en) * | 2015-11-09 | 2016-01-06 | 东莞市昱懋纳米科技有限公司 | Power transformer |
| CN112400208A (en) * | 2018-06-22 | 2021-02-23 | Lg 伊诺特有限公司 | Transformer device |
-
2015
- 2015-11-09 CN CN201520892196.XU patent/CN205069335U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225808A (en) * | 2015-11-09 | 2016-01-06 | 东莞市昱懋纳米科技有限公司 | Power transformer |
| CN112400208A (en) * | 2018-06-22 | 2021-02-23 | Lg 伊诺特有限公司 | Transformer device |
| CN112400208B (en) * | 2018-06-22 | 2023-08-11 | Lg 伊诺特有限公司 | Transformer |
| US12046412B2 (en) | 2018-06-22 | 2024-07-23 | Lg Innotek Co., Ltd. | Transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |