CN207503791U - A kind of transformer and LED drive power - Google Patents
A kind of transformer and LED drive power Download PDFInfo
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- CN207503791U CN207503791U CN201721473947.XU CN201721473947U CN207503791U CN 207503791 U CN207503791 U CN 207503791U CN 201721473947 U CN201721473947 U CN 201721473947U CN 207503791 U CN207503791 U CN 207503791U
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- side winding
- vice
- gummed paper
- insulation gummed
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Abstract
The utility model discloses a kind of transformer and LED drive powers, are related to power technique fields, and the transformer includes：Magnetic core and the first primary side winding being wrapped in successively from inside to outside on the magnetic core, first insulation gummed paper, second primary side winding, third primary side winding, second insulation gummed paper, first vice-side winding, third insulation gummed paper, second vice-side winding, third vice-side winding, 4th vice-side winding, 4th insulation gummed paper, 4th primary side winding, 5th insulation gummed paper, 5th vice-side winding and the 6th insulation gummed paper, second primary side winding and the third primary side winding are connected in series with, second vice-side winding and third vice-side winding are connected in series with, 4th vice-side winding and first vice-side winding are connected in series with.The utility model reduces the leakage inductance of transformer, and improves the pressure resistance between transformer primary side and secondary, extends the service life of transformer.
Description
Technical field
The utility model is related to power technique fields more particularly to a kind of transformer and LED drive powers.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, critical piece include primary coil,
Secondary coil and magnetic core generate electric current after primary coil energization, then the electric current can generate alternating flux in magnetic core, make primary
Electromagnetic connection occurs for coil and secondary coil, and according to electromagnetic induction principle, alternating flux passes through the two coil windings that will feel
Electromotive force should be gone out, and primary and secondary terminal voltage is directly proportional to primary and secondary coil turn, transformer plays the purpose of voltage of transformation.LED
Driving power is the power supply changeover device that power supply supply is converted to specific voltage and current so that LED to be driven to shine, and LED driving electricity
The most of constant current sources for that can change and change voltage with LED forward drop value of output in source, that is to say, that power supply it is defeated
It is constant to go out electric current, and voltage changes in a certain range, it is therefore desirable to be realized by high frequency transformer.
In the prior art, high frequency transformer usually increases air gap, but above-mentioned high frequency to reduce leakage inductance in magnetic material
There are rim effects near air gap for transformer, can so that the conductive material temperature near air gap is excessively high, excessively high temperature can be led
The insulating materials aging in high frequency transformer is caused, so as to shorten the service life of high frequency transformer.
Utility model content
In view of this, the utility model provides a kind of transformer and LED drive power, reduces the leakage inductance of transformer, and
The pressure resistance between transformer primary side and secondary is improved, extends the service life of transformer.
The utility model is solved the above problems by following technological means：
A kind of transformer of the utility model, including：Magnetic core and be wrapped in successively from inside to outside on the magnetic core
One primary side winding, first insulation gummed paper, the second primary side winding, third primary side winding, second insulation gummed paper, the first vice-side winding,
Third insulation gummed paper, the second vice-side winding, third vice-side winding, the 4th vice-side winding, the 4th insulation gummed paper, the 4th primary side around
Group, the 5th insulation gummed paper, the 5th vice-side winding and the 6th insulation gummed paper, second primary side winding and the third primary side winding
It is connected in series with, second vice-side winding and third vice-side winding are connected in series with, the 4th vice-side winding and first pair
Side windings in series connection.
Further, the first reflexed insulation gummed paper, the second reflexed insulation gummed paper, third reflexed insulation gummed paper, the 4th are further included
Reflexed insulation gummed paper and the 5th reflexed insulation gummed paper, wherein, the first reflexed insulation gummed paper and the second reflexed insulation gummed paper pair
Title is attached to be made of the first vice-side winding, third insulation gummed paper, the second vice-side winding, third vice-side winding, the 4th vice-side winding
Whole both sides；The third reflexed insulation gummed paper is attached to the side of the 4th primary side winding, the 4th reflexed insulating cement
Paper and the 5th reflexed insulation gummed paper are symmetrically attached to the both sides of the 5th vice-side winding.
Further, skeleton is further included, the magnetic core, the first primary side winding, the first insulation gummed paper, the second primary side winding, the
Three primary side windings second insulation gummed paper, the first vice-side winding, third insulation gummed paper, the second vice-side winding, third vice-side winding, the
Four vice-side windings, the 4th insulation gummed paper, the 4th primary side winding, the 5th insulation gummed paper, the 5th vice-side winding and the 6th insulation gummed paper
It is each attached on the skeleton.
Further, it is coated with shielding copper foil on the transformer outer surface.
Further, the number of turns of the first insulation gummed paper is a circle, and the number of turns of the second insulation gummed paper is two circles, described
The number of turns of third insulation gummed paper is a circle, and the number of turns of the 4th insulation gummed paper is two circles, the number of turns of the 5th insulation gummed paper
For two circles, the number of turns of the 6th insulation gummed paper is two circles.
Further, first primary side winding, second primary side winding, third primary side winding, the first vice-side winding,
Two vice-side windings, third vice-side winding, the 4th vice-side winding, the 4th primary side winding and the 5th vice-side winding the winding number of plies be
One layer.
A kind of transformer of the utility model has the advantages that：
The utility model provides a kind of transformer, is wrapped in successively on the magnetic core including magnetic core and from inside to outside
First primary side winding, first insulation gummed paper, the second primary side winding, third primary side winding second insulate gummed paper, the first vice-side winding,
Third insulation gummed paper, the second vice-side winding, third vice-side winding, the 4th vice-side winding, the 4th insulation gummed paper, the 4th primary side around
Group, the 5th insulation gummed paper, the 5th vice-side winding and the 6th insulation gummed paper, i.e., using first insulation gummed paper by the first primary side winding,
Second primary side winding and third primary side winding are isolated, using the second insulation gummed paper by the second primary side winding and third primary side around
Group is isolated with the first vice-side winding, using third insulation gummed paper by the first vice-side winding and the second vice-side winding progress every
From the second vice-side winding being isolated with the 4th primary side winding using the 4th insulation winding, using the 5th insulation gummed paper by the
Four primary side windings are isolated with the 5th vice-side winding, so that being isolated between above-mentioned all windings, are improved
Pressure resistance between transformer primary side and secondary extends the service life of transformer；In addition, first primary side of the utility model around
Group, the second primary side winding, third primary side winding, the first vice-side winding, the second vice-side winding, third vice-side winding, the 4th secondary
The winding number of plies of winding, the 4th primary side winding and the 5th vice-side winding is one layer, reduces primary and secondary side coil windings
The number of turns thereby reduces the loss of copper material, line backpack body product is reduced, so as to reduce the leakage inductance of transformer.
A kind of LED drive power of the utility model has the advantages that：
A kind of LED drive power of the utility model, including：The driving made of the transformer described in above-described embodiment
Power supply, since above-mentioned transformer is isolated between primary and secondary side using insulation gummed paper, so as to improve transformer
Pressure resistance between primary and secondary side, and then the pressure resistance of LED drive power is improved, extend the service life of LED drive power；Separately
Outside, above-mentioned transformer reduces the number of turns of primary and secondary side coil windings, reduces line backpack body product, reduces the leakage of transformer
Sense, so as to improve the performance of LED drive power.
Description of the drawings
Fig. 1 is a kind of structure diagram of transformer provided by the utility model；
Fig. 2 is a kind of circuit diagram of transformer provided by the utility model.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, be a kind of transformer provided by the utility model, including：It magnetic core and winds successively from inside to outside
The first primary side winding N1 on the magnetic core, the first insulation gummed paper 101, the second primary side winding N2, third primary side winding N3, the
Two insulation gummed papers 102, the first vice-side winding N6, third insulation gummed paper 103, the second vice-side winding N7, third vice-side winding N8, the
Four vice-side winding N5, the 4th insulation gummed paper 104, the 4th primary side winding N4, the 5th insulation gummed paper 105, the 5th vice-side winding N9 and
6th insulation gummed paper 106, the second primary side winding N2 and the third primary side winding N3 be connected in series with, second secondary around
Group N7 and third vice-side winding N8 is connected in series with, and the 4th vice-side winding N5 and the first vice-side winding N6 are connected in series with.
Wherein, magnetic core is magnetic material.
Specifically, when actually using transformer, as shown in Fig. 2, the first primary side winding N1 draws two terminals, respectively
First terminal 1 and Second terminal 2；Second primary side winding N2 draws three terminals after connecting with third primary side winding N3, respectively
Third terminal 3,4 and the 5th terminal 5 of forth terminal；4th primary side winding N4 draws two terminals, respectively the 6th terminal 6 and the
Seven terminals 7；First vice-side winding N6 draws three terminals, respectively the 8th terminal the 8, the 9th after connecting with the 4th vice-side winding N5
9 and the tenth terminal 10 of terminal；Three terminals of extraction after second vice-side winding N7 connects with third vice-side winding N8, the respectively the tenth
One terminal 11, the tenth two-terminal 12 and the 13rd terminal 13；5th vice-side winding N9 draws two terminals, respectively the 14th end
Sub 14 and the 15th terminal 15, and the winding leads of third terminal 3 wear Teflon casing, the winding leads of the 5th terminal 5 wear iron
The fluorine actor playing a supporting role manages, and the winding leads of the 8th terminal 8 wear Teflon casing, and the winding leads of the tenth terminal 10 wear Teflon casing, the
The winding leads of 11 terminals 11 wear Teflon casing, avoid lead short circuit.
As a further improvement of the above technical scheme, the transformer further includes the first reflexed insulation gummed paper 107, second
Reflexed insulation gummed paper 108, third reflexed insulation gummed paper 109, the 4th reflexed insulation gummed paper 110 and the 5th reflexed insulation gummed paper 111,
Wherein, first reflexed insulation gummed paper, 107 and second reflexed insulation gummed paper 108 is symmetrical is attached to by the first vice-side winding N6, the
The whole both sides that three insulation gummed papers 103, the second vice-side winding N7, third vice-side winding N8, the 4th vice-side winding N5 are formed；It is described
Third reflexed insulation gummed paper 109 is attached to the side of the 4th primary side winding N4, the 4th reflexed insulation gummed paper 110 and the 5th
Reflexed insulation gummed paper 111 is symmetrically attached to the both sides of the 5th vice-side winding N9.
Specifically, the first reflexed insulation gummed paper 107, the second reflexed insulation gummed paper 108, third reflexed insulation gummed paper 109, the
The film thickness of four reflexeds insulation gummed paper 110 and the 5th reflexed insulation gummed paper 111 is 0.025mm, reflexed width at least 5mm,
For increasing the insulation distance between corresponding primary and secondary side, the first reflexed insulation gummed paper 107, the second reflexed insulation gummed paper
108th, third reflexed insulation gummed paper 109, the 4th reflexed insulation gummed paper 110, the 5th reflexed insulation insulation gummed paper of gummed paper 111, second
102nd, third insulation gummed paper the 103, the 4th insulation gummed paper the 104, the 5th insulation insulation gummed paper 106 of gummed paper 105 and the 6th combines
The insulation being closed is formed to vice-side winding, further improves the pressure resistance between transformer primary side and secondary.
As a further improvement of the above technical scheme, the transformer further includes skeleton, the magnetic core, first original
Side winding N1, the first insulation gummed paper 101, the second primary side winding N2, third primary side winding N3, the second insulation gummed paper 102, first are secondary
Side winding N6, third insulation gummed paper 103, the second vice-side winding N7, third vice-side winding N8, the 4th vice-side winding N5, the 4th are absolutely
Edge gummed paper 104, the 4th primary side winding N4, the 5th insulation gummed paper 105, the insulation gummed papers 106 of the 5th vice-side winding N9 and the 6th are solid
It is scheduled on the skeleton.
Wherein, skeleton rise fixed function, by magnetic core, the first primary side winding N1, first insulation gummed paper 101, the second primary side around
Group N2, third primary side winding N3, second insulation gummed paper 102, the first vice-side winding N6, third insulation gummed paper 103, the second secondary around
Group N7, third vice-side winding N8, the 4th vice-side winding N5, the 4th insulation gummed paper 104, the 4th primary side winding N4, the 5th insulating cement
Paper 105, the insulation gummed papers 106 of the 5th vice-side winding N9 and the 6th are used as an entirety, easy to use.
As a further improvement of the above technical scheme, it is coated with shielding copper foil on the transformer outer surface.
Specifically, magnetic core, the first primary side winding N1, the first insulation gummed paper 101, the second primary side winding N2, third is former
Side winding N3, the second insulation gummed paper 102, the first vice-side winding N6, third insulation gummed paper 103, the second vice-side winding N7, third pair
Side winding N8, the 4th vice-side winding N5, the 4th insulation gummed paper 104, the 4th primary side winding N4, the 5th insulation gummed paper the 105, the 5th are secondary
After insulation gummed papers 106 of side winding N9 and the 6th etc. are fixed on skeleton, shielding copper is coated at the exposed position in outer surface
Foil, blend compounds band are fixed, and effectively solve the electromagnetic interference and radiation interference of transformer.
In the present embodiment, the number of turns of the first insulation gummed paper 101 is a circle, the number of turns of the second insulation gummed paper 102
For two circles, the number of turns of third insulation gummed paper 103 is a circle, and the number of turns of the 4th insulation gummed paper 104 is two circles, described the
The number of turns of five insulation gummed papers 105 is two circles, and the number of turns of the 6th insulation gummed paper 106 is two circles.
In the present embodiment, the first primary side winding N1, the second primary side winding N2, third primary side winding N3, first
Vice-side winding N6, the second vice-side winding N7, third vice-side winding N8, the 4th vice-side winding N5, the 4th primary side winding N4 and the 5th
The winding number of plies of vice-side winding N9 is one layer, in order to reduce line backpack body product, reduce the leakage inductance of transformer.
The utility model provides a kind of transformer, is wrapped in successively on the magnetic core including magnetic core and from inside to outside
First primary side winding N1, first insulation gummed paper 101, the second primary side winding N2, third primary side winding N3, second insulation gummed paper 102,
First vice-side winding N6, third insulation gummed paper 103, the second vice-side winding N7, third vice-side winding N8, the 4th vice-side winding N5,
4th insulation gummed paper 104, the 4th primary side winding N4, the 5th insulation gummed paper 105, the insulation gummed papers of the 5th vice-side winding N9 and the 6th
106, i.e., first primary side winding N1, the second primary side winding N2 and third primary side winding N3 are carried out using the first insulation gummed paper 101
Isolation is carried out using the second insulation gummed paper 102 by the second primary side winding N2 and third primary side winding N3, with the first vice-side winding N6
Isolation first vice-side winding N6 is isolated with the second vice-side winding N7 using third insulation gummed paper 103, using the 4th insulation
Second vice-side winding N7 is isolated winding N7 with the 4th primary side winding N4, using the 5th insulation gummed paper 105 by the 4th primary side
Winding N4 is isolated with the 5th vice-side winding N9, so that being isolated between above-mentioned all windings, is improved
Pressure resistance between transformer primary side and secondary extends the service life of transformer；In addition, first primary side winding of the utility model
N1, the second primary side winding N2, third primary side winding N3, the first vice-side winding N6, the second vice-side winding N7, third vice-side winding
N8, the 4th vice-side winding N5, the 4th primary side winding N4 and the 5th vice-side winding N9 the winding number of plies be one layer, reduce primary side
With the number of turns of secondary coil winding, the loss of copper material is thereby reduced, line backpack body product is reduced, so as to reduce the leakage of transformer
Sense.
The utility model provides a kind of LED drive power, including：It is made of the transformer described in above-described embodiment
Driving power.
A kind of LED drive power of the utility model, since above-mentioned transformer uses insulation between primary and secondary side
Gummed paper is isolated, and so as to improve the pressure resistance between transformer primary side and secondary, and then improves the resistance to of LED drive power
Pressure extends the service life of LED drive power；In addition, above-mentioned transformer reduces the number of turns of primary and secondary side coil windings, reduce
Line backpack body product reduces the leakage inductance of transformer, so as to improving the performance of LED drive power.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise of the utility model principle is not departed from, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (7)
1. a kind of transformer, which is characterized in that including：Magnetic core and the first original being wrapped in successively from inside to outside on the magnetic core
Side winding, the first insulation gummed paper, the second primary side winding, third primary side winding, the second insulation gummed paper, the first vice-side winding, third
It insulate gummed paper, the second vice-side winding, third vice-side winding, the 4th vice-side winding, the 4th insulation gummed paper, the 4th primary side winding, the
Five insulation gummed papers, the 5th vice-side winding and the 6th insulation gummed paper, second primary side winding and third primary side winding series connection
Connection, second vice-side winding and third vice-side winding be connected in series with, the 4th vice-side winding and first secondary around
Group is connected in series with.
2. a kind of transformer as described in claim 1, which is characterized in that further include the first reflexed insulation gummed paper, the second reflexed
Insulate gummed paper, third reflexed insulation gummed paper, the 4th reflexed insulation gummed paper and the 5th reflexed insulation gummed paper, wherein, described first is anti-
Folding insulation gummed paper and the second reflexed insulation gummed paper be symmetrically attached to by the first vice-side winding, third insulation gummed paper, the second vice-side winding,
The whole both sides of third vice-side winding, the 4th vice-side winding composition；The third reflexed insulation gummed paper is attached to the 4th primary side
The side of winding, the 4th reflexed insulation gummed paper and the 5th reflexed insulation gummed paper are symmetrically attached to the two of the 5th vice-side winding
Side.
3. a kind of transformer as claimed in claim 2, which is characterized in that further include skeleton, the magnetic core, the first primary side around
Group, the first insulation gummed paper, the second primary side winding, the insulation of third primary side winding second gummed paper, the first vice-side winding, third insulating cement
Paper, the second vice-side winding, third vice-side winding, the 4th vice-side winding, the 4th insulation gummed paper, the 4th primary side winding, the 5th insulation
Gummed paper, the 5th vice-side winding and the 6th insulation gummed paper are each attached on the skeleton.
4. a kind of transformer as claimed in claim 3, which is characterized in that be coated with shielding copper on the transformer outer surface
Foil.
5. a kind of transformer as claimed in claim 4, which is characterized in that the number of turns of the first insulation gummed paper is enclosed for one, institute
The number of turns for stating the second insulation gummed paper is two circles, and the number of turns of the third insulation gummed paper is a circle, the circle of the 4th insulation gummed paper
Number is two circles, and the number of turns of the 5th insulation gummed paper is two circles, and the number of turns of the 6th insulation gummed paper is two circles.
6. a kind of transformer as claimed in claim 5, which is characterized in that first primary side winding, second primary side around
Group, third primary side winding, the first vice-side winding, the second vice-side winding, third vice-side winding, the 4th vice-side winding, the 4th primary side
The winding number of plies of winding and the 5th vice-side winding is one layer.
7. a kind of LED drive power, which is characterized in that including：It is made of claim 1-6 any one of them transformer
Driving power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473947.XU CN207503791U (en) | 2017-11-08 | 2017-11-08 | A kind of transformer and LED drive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721473947.XU CN207503791U (en) | 2017-11-08 | 2017-11-08 | A kind of transformer and LED drive power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503791U true CN207503791U (en) | 2018-06-15 |
Family
ID=62503159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721473947.XU Active CN207503791U (en) | 2017-11-08 | 2017-11-08 | A kind of transformer and LED drive power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503791U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658114A (en) * | 2017-11-08 | 2018-02-02 | 旭源电子（珠海）有限公司 | A kind of transformer and LED drive power |
| CN109494073A (en) * | 2018-11-21 | 2019-03-19 | 深圳市吉祥腾达科技有限公司 | A kind of adhesive tape flanging process of isolating transformer primary and secondary |
| CN114039495A (en) * | 2021-10-27 | 2022-02-11 | 中国航空制造技术研究院 | Low leakage inductance boosting power transformer for electron beam high-voltage acceleration power supply |
-
2017
- 2017-11-08 CN CN201721473947.XU patent/CN207503791U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658114A (en) * | 2017-11-08 | 2018-02-02 | 旭源电子（珠海）有限公司 | A kind of transformer and LED drive power |
| CN109494073A (en) * | 2018-11-21 | 2019-03-19 | 深圳市吉祥腾达科技有限公司 | A kind of adhesive tape flanging process of isolating transformer primary and secondary |
| CN114039495A (en) * | 2021-10-27 | 2022-02-11 | 中国航空制造技术研究院 | Low leakage inductance boosting power transformer for electron beam high-voltage acceleration power supply |
| CN114039495B (en) * | 2021-10-27 | 2024-04-09 | 中国航空制造技术研究院 | Low leakage inductance boost power transformer for electron beam high-voltage accelerating power supply |
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