CN100580826C - Insulated casing structure of transformer device - Google Patents
Insulated casing structure of transformer device Download PDFInfo
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- CN100580826C CN100580826C CN200610138036A CN200610138036A CN100580826C CN 100580826 C CN100580826 C CN 100580826C CN 200610138036 A CN200610138036 A CN 200610138036A CN 200610138036 A CN200610138036 A CN 200610138036A CN 100580826 C CN100580826 C CN 100580826C
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- stop piece
- iron core
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Abstract
The invention discloses an insulating cover body structure of a transformer, which comprises a coil holder, a plurality of coils, and an insulating cover body, wherein, the coil holder is provided with a hollow pipe body, an upper stopper and a lower stopper, the upper stopper and the lower stopper are respectively provided with a pipe orifice, the coil is wound between the upper stopper and the lower stopper of the hollow pipe body, an iron core group comprises two circular cover-shaped iron cores, two symmetrical notches are arranged to form two round walls, a column is arranged in the center of the round wall, when being combined, the column is threaded into the pipe orifice, the round walls are combined outside the coil holder, the insulating cover body is a door-shaped cover body, two circular arc side plates and a narrow partition board are arranged, the narrow partition board is molded on the single side of the two arc side plates, and sleeved and covered on the iron core group to cover the iron core group, thus replacing an insulating adhesive tape, simplifying a transformer craft, and leading the transformer to be provided with sufficient electrical safe distance.
Description
Technical field
The present invention relates to a kind of insulating lid body structure of transformer, particularly relate to a kind of cover body structure that insulating tape coats transformer that replaces, can increase electrical safety between 1 side of transformer and 2 sides, improve the transformer manufacture process apart from property.
Background technology
Transformer is a kind of electronic building brick commonly used, general power circuit, frequency changer circuits etc. all need to use transformer, mainly can be in order to the voltage on lifting or the reduction electronic circuit, yet general volume of transformer limited size is in the size of responding to iron core and proof voltage, electric current, it is compact that yet present electronic product mostly moves towards, and makes the volume of transformer have influence on the size of electronic product.
Existing transformer as shown in Figure 1, on a drum stand 10, twine 1 lateral coil and 2 lateral coils, and in the peripheral primary insulation adhesive tape 11 that coats of this 1,2 lateral coil, again by being combined on this drum stand 10 an of group 12 unshakable in one's determination, at last at skin coated insulation adhesive tape 11 once more.
Its technology is quite complicated as can be known by above-mentioned existing transformer device structure, and this outer layer insulation adhesive tape 11 is damaged easily, with regard to electric safety, group 12 unshakable in one's determination is to belong to side 1 time, therefore use 2 side joint pin 13 and the electrical distance of organizing 12 unshakable in one's determination of insulating tape 11 essential lengthening drum stands 10, so therefore the volume of transformer promptly can strengthen, and uses insulating tape 11 also can to pass and go bad for a long time because of heating or time, influences the electrical safety of transformer.
Be the disappearance and inconvenience that solves above-mentioned existing transformer, the inventor concentrates on studies and cooperates the utilization of scientific principle, the insulating lid body structure of one transformer is proposed, overlap to add and be coated on the transformer, can effectively improve the electrical safety of transformer and simplify the manufacture process of transformer, be to be a creation reasonable in design.
Summary of the invention
Technical problem underlying to be solved by this invention is, a kind of insulating lid body structure of transformer is provided, solve the disappearance that transformer uses insulating tape, and then simplify the technology of transformer, the useful life of improving transformer, and solve 1 side of transformer and 2 side electrical safeties problem apart from deficiency.
For reaching above-mentioned purpose, the insulating lid body structure of a kind of transformer that the present invention mainly provides comprises:
One drum stand, has a hollow tube, upper limb is established a upper stop piece, lower edge is established a lower stop piece, lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and this upper stop piece and lower stop piece are to being provided with a mouth of pipe in the hollow tube place, and the outside of this upper stop piece and lower stop piece is provided with two mutual symmetry and the outside V-type plates of opening;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, institute unshakable in one's determination forms by the dome shape of two one end openings, but be provided with two symmetrical mutually otch, form the round wall that two outer rims are extended to opening, and establish a cylinder in the center, these otch central authorities establish an outwardly open V-type notch again respectively, during two unshakable in one's determination combinations, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and the circle wall then is combined in outside this drum stand, and V-type notch and this V-type plate are located mutually;
An if insulation lid, be ㄇ font cover-shaped body, it is provided with two circular arc side plates and a narrow dividing plate, this narrow dividing plate forms in the homonymy of this two circular arcs side plate, and be formed with a V-type face and can bond mutually with the otch and the outer rim of this iron core group, and cover is placed on this iron core group, and the V-type face of this narrow dividing plate just can be incorporated between the V-type plate of the V-type notch of this iron core group and lower stop piece, to coat this iron core group.
Described insulation lid can be the plastic insulation material ejaculation and makes.
Described 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
This V-type plate open outer side on the described upper stop piece is also extended a platform, and platform is provided with a breach, can be in order to the centre tap conductor wire of lead-out wire circle.
The invention also discloses a kind of insulating lid body structure of transformer, comprising:
One drum stand, has a hollow tube, its upper limb is established a upper stop piece, lower edge is established a lower stop piece, upper stop piece and lower stop piece are to should respectively being provided with a mouth of pipe in the hollow tube place, lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and the outside of this upper stop piece and lower stop piece is provided with two mutual symmetry and the outside V-type plates of opening;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, side's lid shape institute unshakable in one's determination by two one end openings forms, this iron core is formed by a pedestal and two symmetrical sidewalls again, and the two symmetrical outer rims in addition of pedestal are open shape, and a cylinder is established in the inboard center of pedestal, outer cause two sidewalls of this opening respectively in intracardiac contracting, form the V-type notch, during two unshakable in one's determination combinations, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, sidewall then is combined in outside this drum stand, and V-type notch and V-type plate are located mutually;
An if insulation lid, be ㄇ font cover-shaped body, it is provided with two side's side plates and a narrow dividing plate, this narrow dividing plate forms in the homonymy of this two sides side plate, and be formed with a V-type face and can bond mutually with the V-type notch and the square outer rim of this iron core group, and cover is placed on this iron core group, and the V-type face of this narrow dividing plate just can be incorporated between the V-type plate of the V-type notch of this iron core group and lower stop piece, to coat this iron core group.
Described insulation lid can be the plastic insulation material ejaculation and makes.
Described 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
The present invention also discloses a kind of insulating lid body structure of transformer, comprising:
One drum stand has a hollow tube, and upper limb is established a upper stop piece, and lower edge is established a lower stop piece, and lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and this upper stop piece and lower stop piece are to being provided with a mouth of pipe in the hollow tube place;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, institute unshakable in one's determination forms by the dome shape of two one end openings, but is provided with the otch of two mutual symmetries, form the round wall that two outer rims are extended to opening, and establish a cylinder, during two unshakable in one's determination combinations in the center, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and the circle wall then is combined in outside this drum stand;
If an insulation lid is ㄇ font cover-shaped body, it is provided with two circular arc side plates and a narrow dividing plate, and this narrow dividing plate forms in the homonymy of this two circular arcs side plate, and cover is placed on this iron core group, to coat this iron core group.
Described insulation lid can be the plastic insulation material ejaculation and makes.
Described 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
The present invention has simplified the technology of transformer, the useful life of raising transformer, and makes 1 side of transformer and 2 sides keep sufficient electrical safety distance.
Description of drawings
Fig. 1 is existing transformer device structure perspective exploded view;
Fig. 2 is the three-dimensional exploded view of first embodiment of the invention transformer;
Fig. 3 is the combination schematic diagram of this Fig. 2;
Fig. 4 is the three-dimensional exploded view of second embodiment of the invention transformer;
Fig. 5 is the combination schematic diagram of this Fig. 4;
Fig. 6 is the three-dimensional exploded view of first embodiment of the invention transformer;
Fig. 7 is the combination schematic diagram of this Fig. 6.
Wherein, Reference numeral:
10 drum stands, 11 insulating tapes
132 side joint pin of 12 groups unshakable in one's determination
20 drum stands, 21 hollow tubes
22 upper stop pieces, 23 lower stop pieces
252 side joint foots of 241 side joint foots
26 mouth of pipe 27V templates
28 platforms, 29 breach
31 otch, 32 circle walls
33 cylinder 34V type notches
30 group 40 insulation lids unshakable in one's determination
41 circular arc side plates, 42 narrow dividing plates
50 drum stands, 51 hollow tubes
52 upper stop pieces, 53 lower stop pieces
552 side joint foots of 541 side joint foots
56 mouth of pipe 57V templates
60 group 61 pedestals unshakable in one's determination
62 sidewalls, 63 cylinders
71 side's side plates, 72 narrow dividing plates
80 drum stands, 81 hollow tubes
82 upper stop pieces, 83 lower stop pieces
852 side joint foots of 841 side joint foots
86 mouths of pipe, 90 groups unshakable in one's determination
91 otch, 92 circle walls
93 cylinders, 100 insulation lids
101 circular arc side plates, 102 narrow dividing plates
Embodiment
For further understanding technology, means and the effect that the present invention realizes that predetermined purpose is taked, see also following about detailed description of the present invention and accompanying drawing, believe purpose of the present invention, feature and characteristics, go deep into and concrete understanding when getting one thus, yet accompanying drawing only provides reference and explanation, is not to be used for the present invention is limited.
See also shown in Figure 2ly, be the three-dimensional exploded view of first embodiment of the invention transformer, and Fig. 3 is the combination schematic diagram of this Fig. 2.The structure of first embodiment of the invention transformer comprises a drum stand 20, one group 30 and one insulation lid 40 unshakable in one's determination.
This drum stand 20 has a hollow tube 21, a upper stop piece 22,23,1 side joint foots 24 of a lower stop piece and one 2 side joint foots 25.This upper stop piece 22 and lower stop piece 23 are located at the last lower edge of this hollow tube 21 respectively, and this upper stop piece 22 should respectively be provided with a mouth of pipe 26 in hollow tube 21 places with 23 pairs of lower stop pieces, and 23 of the upper stop piece 22 of this hollow tube 21 and lower stop pieces can twine 1 lateral coil and 2 lateral coil (not shown).
This 1 side joint foot 24 and 2 side joint foots 25 are divided into the both side edges of this lower stop piece 23, and can make this 1 lateral coil be connected to this 1 side joint foot 24, and 2 lateral coils are connected to this 2 side joint foots 25.
The outside of this upper stop piece 22 and lower stop piece 23, all be provided with two mutual symmetries and the outside V-type plate 27 of opening, can be in order to locate the combination of this iron core group 30, these V-type plate 27 open outer side on this upper stop piece 12, also extend a platform 28, platform 28 is provided with a breach 29, can be in order to the centre tap conductor wire of lead-out wire circle.
And should iron core group 30 form by the dome shape of two one end openings institute unshakable in one's determination, it is provided with two symmetrical mutually otch 31, form the round wall 32 that two outer rims are extended to opening, and establish a cylinder 33 that extends to opening in the center of circle wall 32 homonymies, and Deng being higher than this circle wall 32, these otch 31 central authorities establish an outwardly open V-type notch 34 again respectively, during two unshakable in one's determination combinations, this cylinder 33 penetrates the mouth of pipe 26 and is combined in the mouth of pipe 26,32 on this circle wall is combined in outside the drum stand 20, and this V-type notch 34 is located mutually with this V-type plate 27.
This insulation lid 40 is ㄇ font cover-shaped body, can be the plastic insulation material ejaculation makes, it is provided with two circular arc side plates 41 and a narrow dividing plate 42, this narrow dividing plate 42 forms on this two circular arcs side plate 41 monolateral, and be formed with a V-type face and can bond mutually with the otch 31 and the outer rim of this iron core group 30, and cover is placed on this iron core group 30, and the V-type face of this narrow dividing plate 42 just can be incorporated into 27 of the V-type plates of the V-type notch 34 of this iron core group 30 and lower stop piece, to coat this iron core group 30, increase the electrical safety distance of 25 of this iron core group 30 and this 2 side wire connecting portion.
See also shown in Figure 4ly, be the three-dimensional exploded view of second embodiment of the invention transformer, and Fig. 5 is the combination schematic diagram of this Fig. 4.The structure of second embodiment of the invention transformer comprises a drum stand 50, one group 60 and one insulation lid 70 unshakable in one's determination.
This drum stand 50 has a hollow tube 51, a upper stop piece 52,53,1 side joint foots 54 of a lower stop piece and one 2 side joint foots 55.This upper stop piece 52 and lower stop piece 53 are located at the last lower edge of this hollow tube 51 respectively, and this upper stop piece 52 should respectively be provided with a mouth of pipe 56 in hollow tube 51 places with 53 pairs of lower stop pieces, and 53 of the upper stop piece 52 of this hollow tube 51 and lower stop pieces can twine 1 lateral coil and 2 lateral coil (not shown).
This 1 side joint foot 54 and 2 side joint foots 55 are divided into the both side edges of this lower stop piece 53, and can make this 1 lateral coil be connected to this 1 side joint foot 54, and 2 lateral coils are connected to this 2 side joint foots 55, the outside of this upper stop piece 52 and lower stop piece 53, all be provided with two mutual symmetries and the outside V-type plate 57 of opening, can be in order to locate the combination of this iron core group 60.
And should iron core group 60 form by unshakable in one's determination of side's lid shape of two one end openings, and should be formed by a pedestal 61 and two symmetrical sidewalls 62 by iron core, the two symmetrical outer rims in addition of this pedestal 61 are open shape, and establish a cylinder 63 in pedestal 61 inboard centers, and Deng being higher than this sidewall 62, and outer cause two sidewalls 62 of this opening respectively in intracardiac contracting, form V-type notch 64, during two unshakable in one's determination combinations, this cylinder 63 penetrates the mouth of pipe 56 and is combined in the mouth of pipe 56,62 of this sidewalls are combined in outside the drum stand 50, and this V-type notch 64 is located mutually with this V-type plate 57.
This insulation lid 70 is ㄇ font cover-shaped body, can be the plastic insulation material ejaculation makes, it is provided with two side's side plates 71 and a narrow dividing plate 72, this narrow dividing plate 72 forms on this two sides side plate 71 monolateral, and be formed with a V-type face and can bond mutually with the V-type notch 64 and the square outer rim of this iron core group 60, and cover is placed on this iron core group 60, and the V-type face of this narrow dividing plate 72 just can be incorporated into 57 of the V-type plates of the V-type notch 64 of this iron core group 60 and lower stop piece, to coat this iron core group 60, increase the electrical safety distance of 55 of this iron core group 60 and this 2 side wire connecting portion.
See also shown in Figure 6ly, be the three-dimensional exploded view of first embodiment of the invention transformer, and Fig. 7 is the combination schematic diagram of this Fig. 6.The structure of third embodiment of the invention transformer comprises a drum stand 80, one group 90 and one insulation lid 100 unshakable in one's determination.
This drum stand 80 has a hollow tube 81, a upper stop piece 82,83,1 side joint foots 84 of a lower stop piece and one 2 side joint foots 85.This upper stop piece 82 and lower stop piece 83 are located at the last lower edge of this hollow tube 81 respectively, and this upper stop piece 82 should respectively be provided with a mouth of pipe 86 in hollow tube 81 places with 83 pairs of lower stop pieces, and 83 of the upper stop piece 82 of this hollow tube 81 and lower stop pieces can twine 1 lateral coil and 2 lateral coil (not shown).
This 1 side joint foot 84 and 2 side joint foots 85 are divided into the both side edges of this lower stop piece 83, and can make this 1 lateral coil be connected to this 1 side joint foot 84, and 2 lateral coils are connected to this 2 side joint foots 85.
And should iron core group 90 form by the dome shape of two one end openings institute unshakable in one's determination, but be provided with two symmetrical mutually otch 91, the two circle walls 92 that formation is extended to the outer rim opening, and establish a cylinder 93 in inboard center, and Deng being higher than this circle wall 92, during two unshakable in one's determination combinations, this cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and the circle wall then is combined in outside this drum stand.
This insulation lid 100 is ㄇ font cover-shaped body, can be the plastic insulation material ejaculation makes, it is provided with two circular arc side plates 101 and a narrow dividing plate 102, this narrow dividing plate 102 forms on this two circular arcs side plate 101 monolateral, and bond mutually with the otch 91 and the outer rim of this iron core group 90, and cover is placed on this iron core group 90, to coat this iron core group 90, increases the electrical safety distance of 85 of this iron core group 90 and this 2 side wire connecting portion.
Above-mentioned disclosed accompanying drawing, explanation only are embodiments of the invention, and those skilled in the art is when doing other all improvement according to above-mentioned explanation, and invention of the present invention is spiritual to be reached in the following scope of patent protection that is defined and these changes still belong to.
Claims (10)
1, a kind of insulating lid body structure of transformer comprises:
One drum stand, has a hollow tube, upper limb is established a upper stop piece, lower edge is established a lower stop piece, lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and this upper stop piece and lower stop piece are to being provided with a mouth of pipe in the hollow tube place, and the outside of this upper stop piece and lower stop piece is provided with two mutual symmetry and the outside V-type plates of opening;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, institute unshakable in one's determination forms by the dome shape of two one end openings, described dome shape iron core respectively is provided with two symmetrical mutually otch, and form the round wall that two outer rims are extended to opening, and establish a cylinder in the center, these otch central authorities establish an outwardly open V-type notch again respectively, during two unshakable in one's determination combinations, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and the circle wall then is combined in outside this drum stand, and V-type notch and this V-type plate are located mutually;
It is characterized in that: establish an insulation lid, be ㄇ font cover-shaped body, it is provided with two circular arc side plates and a narrow dividing plate, this narrow dividing plate forms in the homonymy of this two circular arcs side plate, and be formed with a V-type face and can bond mutually with the otch and the outer rim of this iron core group, and cover is placed on this iron core group, and the V-type face of this narrow dividing plate just can be incorporated between the V-type plate of the V-type notch of this iron core group and lower stop piece, to coat this iron core group.
2, the insulating lid body structure of transformer as claimed in claim 1 is characterized in that, this insulation lid can be the plastic insulation material ejaculation and makes.
3, the insulating lid body structure of transformer as claimed in claim 1 is characterized in that, this 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
4, the insulating lid body structure of transformer as claimed in claim 1 is characterized in that, this V-type plate open outer side on this upper stop piece is also extended a platform, and platform is provided with a breach, can be in order to the centre tap conductor wire of lead-out wire circle.
5, a kind of insulating lid body structure of transformer comprises:
One drum stand, has a hollow tube, its upper limb is established a upper stop piece, lower edge is established a lower stop piece, upper stop piece and lower stop piece are to should respectively being provided with a mouth of pipe in the hollow tube place, lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and the outside of this upper stop piece and lower stop piece is provided with two mutual symmetry and the outside V-type plates of opening;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, side's lid shape institute unshakable in one's determination by two one end openings forms, and this iron core is formed by a pedestal and two symmetrical sidewalls again, with respect to the two symmetrical outer rims that are provided with this two symmetrical sidewall, the two symmetrical outer rims in addition of pedestal are open shape, a cylinder is established in the inboard center of pedestal, outer cause two sidewalls of this opening respectively in intracardiac contracting, formation V-type notch, during two unshakable in one's determination combinations, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and sidewall then is combined in outside this drum stand, and V-type notch and V-type plate are located mutually;
It is characterized in that: establish an insulation lid, be ㄇ font cover-shaped body, it is provided with two side's side plates and a narrow dividing plate, this narrow dividing plate forms in the homonymy of this two sides side plate, and be formed with a V-type face and can bond mutually with the V-type notch and the square outer rim of this iron core group, and cover is placed on this iron core group, and the V-type face of this narrow dividing plate just can be incorporated between the V-type plate of the V-type notch of this iron core group and lower stop piece, to coat this iron core group.
6, the insulating lid body structure of transformer as claimed in claim 5 is characterized in that, this insulation lid can be the plastic insulation material ejaculation and makes.
7, the insulating lid body structure of transformer as claimed in claim 5 is characterized in that, this 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
8, a kind of insulating lid body structure of transformer comprises:
One drum stand has a hollow tube, and upper limb is established a upper stop piece, and lower edge is established a lower stop piece, and lower stop piece two lateral margins set up one 1 side joint foots and one 2 side joint foots separately, and this upper stop piece and lower stop piece are to being provided with a mouth of pipe in the hollow tube place;
A plurality of coils divide 1 lateral coil and 2 lateral coils to be wound between the upper stop piece and lower stop piece of this hollow tube; And
One group unshakable in one's determination, institute unshakable in one's determination forms by the dome shape of two one end openings, but is provided with the otch of two mutual symmetries, form the round wall that two outer rims are extended to opening, and establish a cylinder, during two unshakable in one's determination combinations in the center, cylinder penetrates the mouth of pipe and is combined in the mouth of pipe, and the circle wall then is combined in outside this drum stand;
It is characterized in that: establish an insulation lid, be ㄇ font cover-shaped body, it is provided with two circular arc side plates and a narrow dividing plate, and this narrow dividing plate forms in the homonymy of this two circular arcs side plate, and cover is placed on this iron core group, to coat this iron core group.
9, the insulating lid body structure of transformer as claimed in claim 8 is characterized in that, this insulation lid can be the plastic insulation material ejaculation and makes.
10, the insulating lid body structure of transformer as claimed in claim 8 is characterized in that, this 1 lateral coil is connected to this 1 side joint foot, and 2 lateral coils are connected to this 2 side joint foots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610138036A CN100580826C (en) | 2006-11-03 | 2006-11-03 | Insulated casing structure of transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610138036A CN100580826C (en) | 2006-11-03 | 2006-11-03 | Insulated casing structure of transformer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101174501A CN101174501A (en) | 2008-05-07 |
| CN100580826C true CN100580826C (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610138036A Expired - Fee Related CN100580826C (en) | 2006-11-03 | 2006-11-03 | Insulated casing structure of transformer device |
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| CN (1) | CN100580826C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737819A (en) * | 2012-07-25 | 2012-10-17 | 昆山达功电子有限公司 | Transformer |
| CN103915238B (en) * | 2013-01-08 | 2016-08-17 | 台达电子工业股份有限公司 | Magnetics |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282083A (en) * | 1999-07-26 | 2001-01-31 | 三星电子株式会社 | Transformer for microwave oven |
| CN1770334A (en) * | 2005-09-13 | 2006-05-10 | 何岳明 | Transformer with safety creepage distance |
-
2006
- 2006-11-03 CN CN200610138036A patent/CN100580826C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282083A (en) * | 1999-07-26 | 2001-01-31 | 三星电子株式会社 | Transformer for microwave oven |
| CN1770334A (en) * | 2005-09-13 | 2006-05-10 | 何岳明 | Transformer with safety creepage distance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101174501A (en) | 2008-05-07 |
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