CN205050693U - Dull and stereotyped high voltage transformers - Google Patents
Dull and stereotyped high voltage transformers Download PDFInfo
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- CN205050693U CN205050693U CN201520875450.5U CN201520875450U CN205050693U CN 205050693 U CN205050693 U CN 205050693U CN 201520875450 U CN201520875450 U CN 201520875450U CN 205050693 U CN205050693 U CN 205050693U
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Abstract
The utility model discloses a dull and stereotyped high voltage transformers, including magnetic core and winding, the winding includes two at least primary winding and a plurality of secondary, and primary winding is by electromagnetic wire or copper strips coiling, and secondary is by the electromagnetic wire coiling, and primary winding and secondary to be in order setting up for magnetic core center mode from inside to outside annular in proper order, between the adjacent primary winding and secondary, all be provided with the across block between the adjacent secondary and insulate. The utility model discloses an electromagnetic wire coiling becomes the winding, and when satisfying the various performance requirements of dull and stereotyped high voltage transformers, it is short to shorten the design cycle, and the improvement preparation is efficient, the cost of saving time, and do not have the chemical attack technology that the printed wiring board exists, comparatively environmental protection, in addition the utility model discloses stronger anti -seismic performance has.
Description
Technical field
The utility model relates to electric and electronic technical field, is specifically related to a kind of planar high voltage transformer.
Background technology
Along with the develop rapidly of China's national defense cause, in aerospace electronic countermeasures war and the communications field, important requirement is classified as to the miniaturization of weaponry.
Radar TWT Power in this field is whole system vitals, and high-tension transformer is the core devices providing the travelling wave tube energy in whole power-supply system, require transformer to meet simultaneously efficiency is high, volume is little, ultra-thin, be coupled, the technical conditions such as distributed capacitance is little, dielectric strength is high, high-low temperature resistant, low pressure.Planar high voltage transformer can meet above-mentioned condition substantially, the multilayer printed board line combination that planar high voltage transformer all takes iron core and intersection to stack mostly at present forms, but due to printed wiring board design, exploitation, debugging cycle is longer, makes the cost of manufacture of this type of planar high voltage transformer higher; Printed wiring board has chemical etching technology again, unfavorable environmental protection; And the planar high voltage transformer that printed wiring board is formed, being in operation due to its special construction poor seismic behavior, often needing encapsulating process to strengthen anti-seismic performance.
Utility model content
For above-mentioned the deficiencies in the prior art part, the utility model provides a kind of planar high voltage transformer, while meeting the various performance requirement of planar high voltage transformer, shorten the construction cycle, reduce cost of manufacture, solve when making of printed wiring board in prior art, its design, exploitation, debugging cycle are longer, the technical problem that cost of manufacture is higher.
The purpose of this utility model is achieved through the following technical solutions:
A kind of planar high voltage transformer, comprise magnetic core and winding, described winding comprises at least two armature windings and multiple secondary winding, described armature winding is formed by electromagnetic wire or copper strips coiling, described secondary winding forms by electromagnetic wire coiling, and electromagnetic wire can be silk-covered wire, enamelled wire, three layer insulation wire etc.Described armature winding and secondary winding, to arrange relative to core center mode from inside to outside successively annular, are provided with between group between adjacent armature winding and secondary winding, between adjacent secondary winding and insulate.
In above-mentioned planar high voltage transformer, its armature winding is formed by electromagnetic wire or copper strips coiling, described secondary winding forms by electromagnetic wire coiling, compared with developing, debugging printed substrate, coiling electromagnetic wire saves time undoubtedly significantly, and electromagnetic wire or copper strips take core center as benchmark coiling successively from inside to outside, the manufacturing process of winding easily controls, and coiling efficiency is higher.Between described group, insulation is arranged between secondary winding between adjacent armature winding and secondary winding or adjacent, namely in manufacturing process, after each armature winding or secondary winding coiling terminate, just hold between group outside armature winding or secondary winding and insulate, what be conducive to insulating between guarantee group holds effect, thus reduces the breakdown potential safety hazard of planar high voltage transformer.Can certainly in armature winding or secondary winding winding process, between organizing, insulation holds, to improve make efficiency.The chemical etching technology that electromagnetic wire does not have printed wiring board all, so compared with the planar high voltage transformer comprising printed wiring board, the utility model also has good environment protecting.
Further, described winding comprises two armature windings, and relative to core center, the inner side and outer side of described winding is armature winding, and multiple secondary winding is all between two armature windings.Two armature winding intervals are arranged, is conducive to reducing primary and secondary leakage inductance.
Further, described magnetic core comprises the first magnetic core and the second magnetic core, described first magnetic core and the second magnetic core are " E " type magnetic core, described first core center place is provided with the first magnetic core center pillar, the relative both sides of the first magnetic core are provided with the first side plate, described second core center place is provided with the second magnetic core center pillar, the second relative both sides of magnetic core are provided with the second side plate, described first magnetic core becomes " day " font with the second core combination, described first magnetic core center pillar and the second magnetic core center pillar are positioned at inside winding, described first side plate and the second side plate are positioned at outside winding, bottom insulation is provided with inside described winding, described winding arranged outside has outer layer insulation.
Further, described magnetic core comprises the first magnetic core and the second magnetic core, described first magnetic core is " E " type magnetic core, described second magnetic core is " I " type magnetic core, described first magnetic core becomes " day " font with the second core combination, described first core center place is provided with the first magnetic core center pillar, the both sides that first magnetic core is relative are provided with the first side plate, described first magnetic core center pillar is positioned at inside winding, described first side plate is positioned at outside winding, be provided with bottom insulation inside described winding, described winding arranged outside has outer layer insulation." E " type magnetic core selected by first magnetic core, and " I " type magnetic core selected by the second magnetic core, is convenient to the assembling of the first magnetic core and the second magnetic core in the utility model manufacture process.
Further, described winding comprises three secondary winding, and the cross section of planar high voltage transformer from inside to outside comprises successively: insulation between insulation between insulation between insulation between the first magnetic core center pillar or the second magnetic core center pillar, bottom insulation, armature winding, group, secondary winding, group, secondary winding, group, secondary winding, group, armature winding, outer layer insulation, the first side plate or the second side plate.Be wound in " E " type magnetic core by the program by two armature windings and three secondary winding, form the core component that three exports planar high voltage transformer, it is not only convenient to make and assembling, and has insulation property and anti-pressure ability between good winding.
Further, described bottom insulation is insulation framework or poly-imines composite membrane, and between described group, insulation and outer layer insulation are poly-imines composite membrane.The more excellent hot property of poly-imines composite membrane, dielectric property, insulation property are done to insulate between bottom insulation or group, be conducive to the microminiaturization of planar high voltage transformer design, and poly-imines composite membrane are beneficial to bonding, thus are convenient to making of the present utility model.
Further, also comprise shell, described winding and magnetic core are positioned at shell, are filled with potting compound in winding and the gap between magnetic core and outer casing inner wall.Shell can select the good aluminum profile extrusion of heat radiation to form, and shell has good mechanical protection effect to magnetic core and winding, and potting compound makes magnetic core and winding reliably be fixed in shell, also makes the utility model possess stronger anti-seismic performance.
Further, described potting compound is epoxy resin or heat-conducting silicon rubber, and epoxy resin or heat-conducting silicon rubber, while guarantee magnetic core and winding are reliably fixed, can make the heat express delivery on magnetic core and winding be passed to the external world, strengthen dielectric voltage withstand performance of the present utility model.
Further, described armature winding is provided with armature winding lead-out wire, described secondary winding is provided with secondary winding lead-out wire, described armature winding lead-out wire and secondary winding lead-out wire overcoat have bushing, described shell are provided with the hole passed for armature winding lead-out wire and time line winding leading-out wire.The bushing being placed on armature winding lead-out wire and secondary winding lead-out wire not only makes to insulate preferably between winding and shell, and has certain mechanical protection effect to winding.
Further; described bushing is the insulating sleeve such as silicone rubber sleeve or Teflon sleeve pipe; use high temperature resistant, corrosion-resistant, insulation property are high and the insulating sleeve of long service life as bushing, winding is well protected, extends useful life of the present utility model.
The utility model compared with prior art, has following advantage and beneficial effect:
(1) the utility model turns to winding by electromagnetic wire, and the design cycle is short, and make efficiency is high, cost of saving time;
(2) winding of the present utility model adopts to set gradually relative to core center mode from inside to outside, is convenient to the process control that winding makes, is conducive to ensureing quality of the present utility model;
(3) there is not the chemical etching technology of printed wiring board in the utility model, and the feature of environmental protection is good;
(4) the utility model is under shell and potting compound effect, has stronger anti-seismic performance;
(5) the utility model structure is simple, is convenient to device, can directly installs and uses.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the planar high voltage transformer structural representation that printed wiring board is made;
Fig. 2 is the structural representation of a kind of execution mode of the utility model;
Fig. 3 is the A direction view of Fig. 2;
Fig. 4 is the assembling schematic diagram of a kind of execution mode of the utility model;
Fig. 5 is the schematic perspective view of a kind of execution mode of the utility model;
Fig. 6 is for selecting EI magnetic core coiling structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing:
1-magnetic core, 2-winding, 3-shell, 4-potting compound, 5-bushing, 11-first magnetic core, 12-second magnetic core, 111-first magnetic core center pillar, 112-first side plate, 121-second magnetic core center pillar, 122-second side plate, 21-armature winding, 22-secondary winding, insulate between 23-group, 24-bottom insulate, 25-outer layer insulation, 201-armature winding lead-out wire, 202-line winding leading-out wire, 211-is wire-wound group X I just, 212-armature winding X II, 221-secondary winding A, 222-secondary winding B, 223-secondary winding C, insulate between 231-group a, insulate between 232-group b, insulate between 233-group c, insulate between 234-group d.
Embodiment
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1:
As shown in Figures 1 to 5, a kind of planar high voltage transformer, comprises magnetic core 1 and winding 2, and winding 2 comprises at least two armature windings 21 and multiple secondary winding 22, and the number of armature winding 21 and secondary winding 22 can need according to design and determine.Armature winding 21 is formed by electromagnetic wire coiling, or when needing larger primary current, armature winding 21 can select copper strips or other material coiling, and secondary winding 22 forms by electromagnetic wire coiling, and electromagnetic wire can be silk-covered wire, enamelled wire, three layer insulation wire etc.Aforementioned background art is introduced, in existing planar high voltage transformer, multilayer printed circuit board 02 intersects with armature winding and secondary winding to stack together, in the present embodiment, armature winding 21 and secondary winding 22, to arrange relative to magnetic core 1 center mode from inside to outside successively annular, are provided with between group and insulate 23 between adjacent armature winding 21 and secondary winding 22, between adjacent secondary winding 21.
Compared with developing, debugging printed substrate 02, in the present embodiment, coiling electromagnetic wire mode, can save time undoubtedly significantly, and electromagnetic wire or copper strips are for benchmark coiling successively from inside to outside with the center of magnetic core 1, the manufacturing process of winding 2 easily controls, and coiling efficiency is higher.Between group, insulation 23 is arranged between secondary winding 22 between adjacent armature winding 21 and secondary winding 22 or adjacent, namely in manufacturing process, after each armature winding 21 or secondary winding 22 coiling terminate, just hold outside armature winding 21 or secondary winding 22 between group and insulate 23, be conducive to insulating between guarantee group 23 hold effect, thus reduce the breakdown potential safety hazard of planar high voltage transformer.Can certainly in armature winding 21 or secondary winding 22 winding process, between organizing, insulation 23 holds, to improve make efficiency.In addition, there is not all chemical etching technologys of printed wiring board in electromagnetic wire, so compared with the planar high voltage transformer comprising printed wiring board, the utility model also has good environment protecting.
Embodiment 2:
As shown in Figures 2 to 5, the present embodiment is the further optimization to embodiment 1, is one three and exports planar high voltage transformer.In the present embodiment, winding 2 comprises two armature windings 21 and three secondary winding 22, the inner side and outer side of winding 2 is armature winding 21, two armature windings 21 are in parallel, three secondary winding 22 all between two armature windings 21, and are provided with between group between adjacent armature winding 21 and secondary winding 22, between adjacent secondary winding 22 and insulate 23.Magnetic core 1 comprises the first magnetic core 11 and the second magnetic core 12, first magnetic core 11 and the second magnetic core 12 are " E " type magnetic core, first magnetic core 11 center is provided with the first magnetic core center pillar 111, the relative both sides of the first magnetic core 11 are provided with the first side plate 112, second magnetic core 12 center is provided with the second magnetic core center pillar 121, second magnetic core 12 is provided with the second side plate 122 in both sides relatively, first magnetic core 11 and the second magnetic core 12 are combined into " day " font, first magnetic core center pillar 111 and the second magnetic core center pillar 121 are positioned at inside winding 2, first side plate 112 and the second side plate 122 are positioned at outside winding 2, bottom insulation 24 is provided with inside winding 2, winding 2 arranged outside has outer layer insulation 25.In the present embodiment, the cross section of planar high voltage transformer from inside to outside comprises successively: insulation 23 between insulation 23 between insulation 23 between insulation 23 between the first magnetic core center pillar 111 or the second magnetic core center pillar 121, bottom insulation 24, armature winding 21, group, secondary winding 22, group, secondary winding 22, group, secondary winding 22, group, armature winding 21, outer layer insulation 25, first side plate 112 or the second side plate 122.Two armature winding 21 intervals are arranged, is conducive to reducing primary and secondary leakage inductance.The present embodiment is convenient to make and assembling, and general once can completing by device to two days, fabrication cycle is very short, largely saves human cost.
In the present embodiment, insulation framework or poly-imines composite membrane are selected in bottom insulation 24, and between group, insulation 23 and outer layer insulation 25 are poly-imines composite membrane.The more excellent hot property of poly-imines composite membrane, dielectric property, insulation property make insulating barrier, be conducive to the microminiaturization of planar high voltage transformer design, and poly-imines composite membrane are beneficial to bonding, thus are convenient to making of the present utility model.
Embodiment 3:
As shown in Figures 4 to 6, the difference part of the present embodiment and embodiment 2 is, " E " type magnetic core selected by the first magnetic core 11, and " I " type magnetic core selected by the second magnetic core 12, first magnetic core 11 and the second magnetic core 12 are combined into " day " font, and winding 2 is positioned at " E " shape winding space of the first magnetic core 11.In the present embodiment, the cross section of planar high voltage transformer from inside to outside comprises successively: insulation 23 between insulation 23 between insulation 23 between insulation 23 between the first magnetic core center pillar 111, bottom insulation 24, armature winding 21, group, secondary winding 22, group, secondary winding 22, group, secondary winding 22, group, armature winding 21, outer layer insulation 25, first side plate 112.Relative to embodiment 2, in the present embodiment, " I " type magnetic core selected by the second magnetic core 12, is convenient to the assembling of the first magnetic core 11 and the second magnetic core 12.
Embodiment 4:
As shown in Figures 2 to 6, on above-described embodiment basis, the present embodiment is done further perfect.For protection the utility model; in the present embodiment; the shell 3 of planar high voltage transformer described in the utility model is become by aluminum profile extrusion; winding 2 and magnetic core 1 are positioned at shell 3; be filled with potting compound 4 in winding 2 and the gap between magnetic core 1 and shell 3 inwall, possess stronger anti-seismic performance to make the utility model.Potting compound 4 can select epoxy resin or heat-conducting silicon rubber.Shell 3 pairs of magnetic cores 1 of aluminum and winding 2 have good mechanical protection effect, and epoxy resin or heat-conducting silicon rubber not only make magnetic core 1 and winding 2 reliably be fixed in shell 3.Also make the heat express delivery on magnetic core 1 and winding 2 be passed to the external world, improve dielectric voltage withstand performance of the present utility model.
As shown in Figure 4 and Figure 5, armature winding 21 and secondary winding 22 are provided with lead-out wire, be all arranged with bushing 5 outside armature winding lead-out wire 201 and secondary winding lead-out wire 202, bushing 5 can select the insulating sleeve such as silicone rubber sleeve or Teflon sleeve pipe.The two sides that shell 3 is relative are provided with two holes supplying primary wind leads 201 to pass and six holes passed for secondary winding leads 202, it is outside that cover has the armature winding lead-out wire 201 of bushing 5 and secondary winding lead-out wire 202 to cause shell 3 respectively from these two groups of holes.Bushing 5 makes there are good insulation property between winding 2 and shell 3, and bushing 5 also has certain mechanical protection effect to winding 2.In addition be respectively provided with an installing hole 31 in four bights of shell 3, be convenient to the utility model and application is installed.
The concrete Making programme of the present embodiment is as follows:
For clearer statement manufacturing process, in following making step, armature winding 21 comprises armature winding X I 211 and armature winding X II 212, secondary winding 22 comprises secondary winding A221, secondary winding B222, secondary winding C223, insulate 23 to comprise that insulating between group insulate between a231, group and to insulate between b232, group the d234 that to insulate between c233, group between group.
Step 1: according to the first magnetic core center pillar 111 or the second magnetic core center pillar 121 size of " E " type magnetic core, arranges insulation framework or poly-imines composite membrane forms bottom insulation 24;
Step 2: coiling silk-covered wire is as armature winding X I 211 outside bottom insulation 24, needs designed by root, also can with copper strips as armature winding X I 211, and hold outside armature winding X I 211 poly-imines composite membrane formed absolutely between to insulate a231;
Step 3: outside the a231 that insulate between exhausted in step 2, coiling electromagnetic wire is as secondary winding A221, and electromagnetic wire can select silk-covered wire, enamelled wire, three layer insulation wire etc., and outside secondary winding A221, hold the b232 that to insulate between poly-imines composite membrane formation group;
Step 4: repeat above-mentioned steps 3 twice, being formed successively insulate between secondary winding B222, group to insulate between c233, secondary winding C223, group d234;
Step 5: outside the d234 that insulate between the group in step 4, coiling silk-covered wire or copper strips are as armature winding X II 212, and outside armature winding X II 212, hold poly-imines composite membrane formation outer layer insulation 25;
Step 6: assemble the first magnetic core 11 and the second magnetic core 12, and magnetic core 1 and winding 2 are placed in shell 3, armature winding lead-out wire 202 and secondary winding lead-out wire 202 outer suit bushing 5, bushing 5 can be the insulating sleeve such as silicone rubber sleeve or Teflon sleeve pipe;
Step 7: inject potting compound 5 in shell 3, potting compound 5 can select epoxy resin or heat-conducting silicon rubber;
Step 8: packed products.
In above-mentioned manufacture method of the present utility model, insulating between group 23 adopts the poly-favourable bonding Neighboring primary winding 21 of imines composite membrane and secondary winding 22 or adjacent secondary winding 22; The insulation property of electromagnetic wire again between enhancing group further; The insulation property of the favourable raising winding 2 of bushing 5 and shell 3 and mechanical protection performance; The epoxy resin that heat conduction is good or silicon rubber, can effectively transmit out with the heat of winding 2 the magnetic core 1 of inside transformer fast.Utilize said method manufacture planar high voltage transformer, its production process is simple, process control is easier to, and make efficiency is high, cost of saving time significantly, can directly install and use after completing.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a planar high voltage transformer, comprise magnetic core (1) and winding (2), described winding (2) comprises at least two armature windings (21) and multiple secondary winding (22), it is characterized in that: described armature winding (21) is formed by electromagnetic wire or copper strips coiling, described secondary winding (22) forms by electromagnetic wire coiling, described armature winding (21) and secondary winding (22) are arranged with annular successively relative to core center mode from inside to outside, between adjacent armature winding (21) and secondary winding (22), be provided with between adjacent secondary winding (22) between group and insulate (23).
2. planar high voltage transformer according to claim 1, it is characterized in that: described winding (2) comprises two armature windings (21), relative to magnetic core (1) center, the inner side and outer side of described winding (2) is armature winding (21), and multiple secondary winding (22) is all positioned between two armature windings (21).
3. planar high voltage transformer according to claim 2, it is characterized in that: described magnetic core (1) comprises the first magnetic core (11) and the second magnetic core (12), described first magnetic core (11) and the second magnetic core (12) are " E " type magnetic core, described first magnetic core (11) center is provided with the first magnetic core center pillar (111), the both sides that first magnetic core (11) is relative are provided with the first side plate (112), described second magnetic core (12) center is provided with the second magnetic core center pillar (121), the both sides that second magnetic core (12) is relative are provided with the second side plate (122), described first magnetic core (11) and the second magnetic core (12) are combined into " day " font, described first magnetic core center pillar (111) and the second magnetic core center pillar (121) are positioned at winding (2) inner side, described first side plate (112) and the second side plate (122) are positioned at winding (2) outside, described winding (2) inner side is provided with bottom insulation (24), described winding (2) arranged outside has outer layer insulation (25).
4. planar high voltage transformer according to claim 2, it is characterized in that: described magnetic core (1) comprises the first magnetic core (11) and the second magnetic core (12), described first magnetic core (11) is " E " type magnetic core, described second magnetic core (12) is " I " type magnetic core, described first magnetic core (11) and the second magnetic core (12) are combined into " day " font, described first magnetic core (11) center is provided with the first magnetic core center pillar (111), the both sides that first magnetic core (11) is relative are provided with the first side plate (112), described first magnetic core center pillar (111) is positioned at winding (2) inner side, described first side plate (112) is positioned at winding (2) outside, described winding (2) inner side is provided with bottom insulation (24), described winding (2) arranged outside has outer layer insulation (25).
5. planar high voltage transformer according to claim 3, it is characterized in that: described winding (2) comprises three secondary winding (22), the cross section of planar high voltage transformer from inside to outside comprises successively: the first magnetic core center pillar (111) or the second magnetic core center pillar (121), bottom insulation (24), armature winding (21), (23) are insulated between group, secondary winding (22), (23) are insulated between group, secondary winding (22), (23) are insulated between group, secondary winding (22), (23) are insulated between group, armature winding (21), outer layer insulation (24), first side plate (112) or the second side plate (122).
6. planar high voltage transformer according to claim 5, is characterized in that: described bottom insulation (24) is insulation framework or poly-imines composite membrane, and between described group, insulation (23) and outer layer insulation (25) are poly-imines composite membrane.
7. according to the planar high voltage transformer described in claim 1 to any one of claim 6, it is characterized in that: also comprise shell (3), described winding (2) and magnetic core (1) are positioned at shell (3), are filled with potting compound (4) in winding (2) and the gap between magnetic core (1) and shell (3) inwall.
8. planar high voltage transformer according to claim 7, is characterized in that: described potting compound (4) is epoxy resin or heat-conducting silicon rubber.
9. planar high voltage transformer according to claim 7, it is characterized in that: described armature winding (21) is provided with armature winding lead-out wire (201), described secondary winding (22) is provided with secondary winding lead-out wire (202), described armature winding lead-out wire (201) and secondary winding lead-out wire (202) overcoat have bushing (5), described shell (3) are provided with the hole passed for armature winding lead-out wire (201) and time line winding leading-out wire (202).
10. planar high voltage transformer according to claim 9, is characterized in that: described bushing (5) is silicone rubber sleeve or Teflon sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875450.5U CN205050693U (en) | 2015-11-05 | 2015-11-05 | Dull and stereotyped high voltage transformers |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875450.5U CN205050693U (en) | 2015-11-05 | 2015-11-05 | Dull and stereotyped high voltage transformers |
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| CN205050693U true CN205050693U (en) | 2016-02-24 |
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| CN201520875450.5U Active CN205050693U (en) | 2015-11-05 | 2015-11-05 | Dull and stereotyped high voltage transformers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261468A (en) * | 2015-11-05 | 2016-01-20 | 成都市亚丰电子技术有限责任公司 | Flat high-voltage transformer and manufacturing method thereof |
| CN107622865A (en) * | 2016-07-14 | 2018-01-23 | 钟杰元 | Multiply polyurethane enamel covered wire power transformer |
| CN112420357A (en) * | 2020-10-26 | 2021-02-26 | 东莞市优琥电子科技有限公司 | Integrated transformer and electrical equipment |
-
2015
- 2015-11-05 CN CN201520875450.5U patent/CN205050693U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261468A (en) * | 2015-11-05 | 2016-01-20 | 成都市亚丰电子技术有限责任公司 | Flat high-voltage transformer and manufacturing method thereof |
| CN107622865A (en) * | 2016-07-14 | 2018-01-23 | 钟杰元 | Multiply polyurethane enamel covered wire power transformer |
| CN112420357A (en) * | 2020-10-26 | 2021-02-26 | 东莞市优琥电子科技有限公司 | Integrated transformer and electrical equipment |
| CN112420357B (en) * | 2020-10-26 | 2022-08-16 | 东莞市优琥电子科技有限公司 | Integrated transformer and electrical equipment |
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