CN107068356A - Transformer and its manufacture method - Google Patents
Transformer and its manufacture method Download PDFInfo
- Publication number
- CN107068356A CN107068356A CN201710382364.4A CN201710382364A CN107068356A CN 107068356 A CN107068356 A CN 107068356A CN 201710382364 A CN201710382364 A CN 201710382364A CN 107068356 A CN107068356 A CN 107068356A
- Authority
- CN
- China
- Prior art keywords
- output winding
- transformer
- insulating sleeve
- winding
- winding assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/327—Encapsulating or impregnating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
- H01F27/325—Coil bobbins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/127—Encapsulating or impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of transformer and its manufacture method.The transformer includes output winding assembly, input winding assembly and magnetic core；Exporting winding assembly includes output winding and insulating sleeve, and output winding is packaged in insulating sleeve by way of injection molding, and two electrodes of output winding expose insulating sleeve along the axis direction of insulating sleeve；Inputting winding assembly includes transformer framework and electromagnetic wire, the Part I uniform winding of electromagnetic wire is on transformer framework, the Part II uniform winding of electromagnetic wire on the insulating sleeve of output winding assembly, output winding assembly it is nested on transformer framework to separate the Part I and Part II of electromagnetic wire；The transformer framework of input winding assembly is assembled to magnetic core.
Description
Technical field
The present invention relates to a kind of transformer and its manufacture method.
Background technology
Transformer device structure at least includes input winding and output winding, and output winding is wrapped in usually using three layer insulation wire
On skeleton, but because electric current then needs to use greatly multiply or big line footpath, it is difficult difficult with outlet that this results in coiling, exports
The subsequent handling of winding is both needed to manual processing, it is impossible to realize automated production, causes efficiency low, and time-consuming cost is high.
In consideration of it, a kind of improved transformer mechanism and its manufacture method need to be provided.
The content of the invention
The present invention solves the technical problem of provide a kind of transformer that can realize automated production and its manufacture
Method.
In order to solve the above technical problems, one aspect of the present invention is：A kind of transformer is provided, it includes defeated
Go out winding assembly, input winding assembly and magnetic core；Exporting winding assembly includes output winding and insulating sleeve, and output winding passes through
The mode of injection molding is packaged in insulating sleeve, and two electrodes of output winding expose insulation sleeve along the axis direction of insulating sleeve
Cylinder；Inputting winding assembly includes transformer framework and electromagnetic wire, the Part I uniform winding of electromagnetic wire on transformer framework,
The Part II uniform winding of electromagnetic wire is on the insulating sleeve of output winding assembly, and output winding assembly is nested to transformer bone
To separate the Part I and Part II of electromagnetic wire on frame；The transformer framework of input winding assembly is assembled to magnetic core.
Wherein, output winding is processed by whole piece copper sheet.
Wherein, output winding is processed by flat enamel-covered wire by way of spiral winding bending.
Wherein, the number of turns of output winding is 1~3 circle, and the number of turns is the integer number of turns or the non-integer number of turns.
Wherein, output winding assembly further comprises a flexible sleeve, and flexible sleeve is nested to two electrodes for exporting winding
It is outer and be connected to insulating sleeve.
Wherein, the wall thickness of insulating sleeve is 0.4~0.5 millimeter.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of transformer manufacturing side is provided
Method, it includes：Processing output winding assembly, is specifically included：(1) with copper sheet or flat enameled wire machining into at least one circle
Tubular exports winding, and output winding further comprises two electrodes along the main part direction extension of tubular；(2) it is molded insulation sleeve
Cylinder, output winding is encapsulated into insulating sleeve by integrally formed mode, and two electrodes expose insulating sleeve；The assembling of transformer
Process, is specifically included：(1) by the Part I uniform winding of electromagnetic wire to transformer framework；(2) output winding assembly is led to
The mode for crossing nesting is assembled to and is wound with the transformer framework of electromagnetic wire Part I；(3) it is the Part II of electromagnetic wire is equal
Even to be wound on the insulating sleeve of output winding assembly, insulating sleeve separates the Part I and Part II of electromagnetic wire；(4) will
Transformer framework is assembled to magnetic core.
Wherein, the number of turns of output winding is 1~3 circle, and the number of turns is the integer number of turns or the non-integer number of turns.
Wherein, include after the step of processing output winding：Flexible sleeve is arranged on two electrodes of output winding；Injection
The step of insulating sleeve, further comprises that one end of flexible sleeve is connected to insulating sleeve, two electricity by integrally formed mode
Expose flexible sleeve in pole.
Wherein, the wall thickness of insulating sleeve is 0.4~0.5 millimeter.
The beneficial effects of the invention are as follows：Compared with prior art, transformer of the present invention include output winding assembly, output around
Group component includes output winding and insulating sleeve, and output winding is packaged in insulating sleeve by way of injection molding, exported
Axis direction of two electrodes of winding along insulating sleeve exposes insulating sleeve, and insulating sleeve is nested on transformer framework will winding
Separated in the Part I of the electromagnetic wire on transformer framework and the Part II for the electromagnetic wire being wound on insulating sleeve；Will
Winding assembly is exported, output winding is not only contributed to and realizes process automation, and be conducive to transformer to realize automation
Assembling process.
Brief description of the drawings
Fig. 1 is an embodiment schematic diagram of the output winding of the output winding assembly of transformer of the present invention；
Fig. 2 is an embodiment schematic diagram of the output winding assembly of transformer of the present invention；
Fig. 3 is that the output winding assembly of transformer of the present invention is assembled to the assembling process schematic diagram of transformer framework；
Fig. 4 is the flow chart of the manufacture method of transformer of the present invention.
Embodiment
Fig. 1 be refer to Fig. 3, transformer of the present invention includes output winding assembly 10, input winding assembly 20 and magnetic core (not
Diagram).
Exporting winding assembly 10 includes output winding 11 and insulating sleeve 12.Winding 11 is exported by way of injection molding
It is packaged in insulating sleeve 12, exports axis direction of two electrodes 111 of winding 11 along insulating sleeve 12 and expose insulating sleeve 12.
Preferably, the main part of output winding 11 is cylindrical in shape, and is processed by whole piece copper sheet, or by flat enamel-cover
Line is processed by way of spiral winding bending.Output winding 11 is processed by whole piece copper sheet to be specifically included, by copper
Piece size required after deploying according to output winding 11 is cut out, it is clear that, the width of the position of electrode 111, which is more than, not to be set
The width of the main part at electrode is put, then, the copper sheet after cutting tubular is wound into.Output winding 11 is added by flat enamel-covered wire
Work is into specifically including, by flat enamel-covered wire bending, wherein, electrode 111 is in zigzag bending, main part snake relative to main part
Shape arrangement tiling forms plane together with electrode；Then, the flat enamel-covered wire arranged is wound into tubular.After winding, output
The number of turns of winding 11 is 1~3 circle, and the number of turns is the integer number of turns or the non-integer number of turns；Required output voltage is higher, output winding 11
The number of turns is more, and when windings are more, the width (that is, height of winch spool) for exporting winding 11 is smaller.
In one embodiment, axis direction of two electrodes of output winding 11 along insulating sleeve 12 exposes insulating sleeve 12
Implication be during the injection molding of insulating sleeve 12, a part for electrode is wrapped up by insulating sleeve 12, and end is exposed to
In air；In another preferred embodiment, output winding assembly 20 further comprises a flexible sleeve (not shown), flexible
Nested two electrodes to output winding 11 of sleeve pipe are outer and flexible sleeve is connected to insulating sleeve 12, it is preferable that flexible sleeve with it is defeated
Go out winding 11 to be integrally formed with insulating sleeve together, one end of flexible sleeve during the injection molding of insulating sleeve 12 therewith
Connection, the other end exposes outside insulating sleeve 12, and the end of electrode is further exposed outside flexible sleeve.
Preferably, the wall thickness of insulating sleeve is 0.4~0.5 millimeter；The Teflon actor playing a supporting role of flexible sleeve preferably 0.3 mm of thickness
Pipe.
Inputting winding assembly 20 includes voltage device skeleton 21 and electromagnetic wire 22.The Part I (not indicating) of electromagnetic wire 22 is
Even to be wound on transformer framework, Part II (not shown) uniform winding of electromagnetic wire 22 is in the insulation of output winding assembly 10
On sleeve 12.Output winding assembly 10 it is nested on transformer framework 21 with separate electromagnetic wire 22 Part I and second
Point.
The transformer framework 21 of input winding assembly 20 is assembled to magnetic core.
Prior art is different from, transformer of the present invention includes output winding assembly 10, and output winding assembly 10 includes output
Winding 11 and insulating sleeve 12, output winding 11 are packaged in by way of injection molding in insulating sleeve 12, export winding 11
Axis direction of two electrodes 111 along insulating sleeve 12 expose insulating sleeve 12, insulating sleeve 12 is nested in transformer framework 21
On by the Part I for the electromagnetic wire 22 being wound on transformer framework 21 and the electromagnetic wire 22 that is wound on insulating sleeve 12
Part II is separated；Winding assembly will be exported, output winding is not only contributed to and realizes process automation, and be conducive to becoming
Depressor realizes the assembling process of automation.
Fig. 4 is refer to, the present invention further provides a kind of transformer manufacturing method, it is characterised in that, the manufacture method bag
Include：
Step S10, processing output winding assembly 10；
This step is specifically included：
S11, exports winding 11, output winding 11 enters with copper sheet or flat enameled wire machining into the tubular with least one circle
One step includes two electrodes extended along the main part direction of tubular；
The process for processing output winding 11 from copper sheet is specifically included：Needed for after copper sheet is deployed according to output winding 11
Size is cut out, it is clear that, the width of the position of electrode 111 is more than the width for the main part being not provided with electrode, then,
Copper sheet after cutting is wound into tubular.
The process for exporting winding 11 from flat enameled wire machining is specifically included：By flat enamel-covered wire bending, wherein, electrode
111 be in zigzag bending relative to main part, and the tiling of main part serpentine arrangement forms plane together with electrode；Then, it will arrange
Good flat enamel-covered wire is wound into tubular.
After winding, the number of turns of output winding is 1~3 circle, and the number of turns is the integer number of turns or the non-integer number of turns；Required output voltage
Higher, the number of turns for exporting winding 11 is more, and when windings are more, the width (that is, height of winch spool) of output winding 11 is got over
It is small.
S12, is molded insulating sleeve, and output winding is encapsulated into insulating sleeve by integrally formed mode, two electrodes dew
Go out insulating sleeve；
In one embodiment, two electrodes of output winding 11 expose the implication of insulating sleeve 12 and are molded for insulating sleeve 12
During shaping, a part for electrode is wrapped up by insulating sleeve 12, and end is exposed in air.
In another embodiment, include after the step of processing output winding：Covered on two electrodes of output winding 11
If flexible sleeve, the Teflon sleeve pipe of flexible sleeve preferably 0.3 mm of thickness；Injection insulating sleeve the step of further comprise,
One end of flexible sleeve is connected to insulating sleeve by integrally formed mode, and two electrodes expose flexible sleeve, in other words, soft
Property sleeve pipe with output winding 11 together be integrally formed with insulating sleeve, one end of flexible sleeve is in the injection molding of insulating sleeve 12
During be attached thereto, the other end exposes outside insulating sleeve 12, and the end of electrode is further exposed outside flexible sleeve.
Preferably, the wall thickness of insulating sleeve is 0.4~0.5 millimeter.
Step S20, the assembling process of transformer；
This step is specifically included：
S21, by the Part I uniform winding of electromagnetic wire 22 to transformer framework 21；
It should be noted that points of the step S21 and step S10 without priority.
S22, output winding assembly 10 is assembled to by way of nested the transformation for being wound with the Part I of electromagnetic wire 22
On device skeleton 21；
S23, by the Part II uniform winding of electromagnetic wire 22 to output winding assembly 10 insulating sleeve 12 on, insulation sleeve
Cylinder 12 separates the Part I and Part II of electromagnetic wire 22；
S24, magnetic core is assembled to by transformer framework 21.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies
Field, is included within the scope of the present invention.
Claims (10)
1. a kind of transformer, it is characterised in that the transformer includes output winding assembly, input winding assembly and magnetic core；
The output winding assembly includes output winding and insulating sleeve, and the output winding is encapsulated by way of injection molding
In the insulating sleeve, axis direction of two electrodes for exporting winding along the insulating sleeve exposes the insulation sleeve
Cylinder；
The input winding assembly includes transformer framework and electromagnetic wire, and the Part I uniform winding of the electromagnetic wire is in described
On transformer framework, the Part II uniform winding of the electromagnetic wire is described on the insulating sleeve of the output winding assembly
Winding assembly nesting is exported to the transformer framework to separate the Part I and Part II of the electromagnetic wire；
The transformer framework of the input winding assembly is assembled to the magnetic core.
2. transformer according to claim 1, it is characterised in that the output winding is processed by whole piece copper sheet.
3. transformer according to claim 1, it is characterised in that the output winding is twined by flat enamel-covered wire by spiral
Mode around bending is processed.
4. transformer according to claim 1, it is characterised in that the number of turns of the output winding is 1~3 circle, the circle
Number is the integer number of turns or the non-integer number of turns.
5. transformer according to claim 1, it is characterised in that the output winding assembly further comprises a flexible boot
Outside pipe, nested two electrodes to the output winding of the flexible sleeve and it is connected to the insulating sleeve.
6. transformer according to claim 1, it is characterised in that the wall thickness of the insulating sleeve is 0.4~0.5 millimeter.
7. a kind of transformer manufacturing method, it is characterised in that the manufacture method includes：
Processing output winding assembly, is specifically included：(1) it is defeated into the tubular with least one circle with copper sheet or flat enameled wire machining
Go out winding, output winding further comprises two electrodes along the main part direction extension of tubular；(2) insulating sleeve is molded, it is described
Output winding is encapsulated into insulating sleeve by integrally formed mode, and two electrode exposes the insulating sleeve；
The assembling process of transformer, is specifically included：(1) by the Part I uniform winding of electromagnetic wire to transformer framework；(2)
Output winding assembly is assembled to by way of nested and is wound with the transformer framework of electromagnetic wire Part I；(3) by electricity
The Part II uniform winding of magnet-wire is on the insulating sleeve of the output winding assembly, and the insulating sleeve separates the electromagnetism
The Part I and Part II of line；(4) transformer framework is assembled to magnetic core.
8. transformer manufacturing method according to claim 7, it is characterised in that the number of turns of the output winding is 1~3
Circle, the number of turns is the integer number of turns or the non-integer number of turns.
9. transformer manufacturing method according to claim 7, it is characterised in that
Include after the step of processing output winding：Flexible sleeve is arranged on two electrodes of the output winding；
The step of injection insulating sleeve, further comprises that one end of the flexible sleeve is connected by integrally formed mode
To the insulating sleeve, two electrode exposes the flexible sleeve.
10. transformer manufacturing method according to claim 7, it is characterised in that the wall thickness of the insulating sleeve is 0.4~
0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382364.4A CN107068356A (en) | 2017-05-26 | 2017-05-26 | Transformer and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382364.4A CN107068356A (en) | 2017-05-26 | 2017-05-26 | Transformer and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107068356A true CN107068356A (en) | 2017-08-18 |
Family
ID=59610727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382364.4A Pending CN107068356A (en) | 2017-05-26 | 2017-05-26 | Transformer and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107068356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335747A (en) * | 2019-07-11 | 2019-10-15 | 东莞普思电子有限公司 | Current transformer is isolated in SMD high current |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202506A (en) * | 1982-05-21 | 1983-11-25 | Toshiba Corp | Resin-molded coil |
| CN2045887U (en) * | 1988-12-24 | 1989-10-11 | 浙江省玉环县互感器厂 | Pouring dry transformer |
| US5396210A (en) * | 1993-03-17 | 1995-03-07 | Square D Company | Dry-type transformer and method of manufacturing |
| CN2896467Y (en) * | 2006-04-27 | 2007-05-02 | 万达集团股份有限公司 | Dry-type transformer for oil pump |
| CN201765917U (en) * | 2010-06-28 | 2011-03-16 | 青岛艾诺智能仪器有限公司 | High-power switching transformer |
| CN103117156A (en) * | 2013-03-01 | 2013-05-22 | 重庆祥龙电气有限公司 | Special-structure epoxy resin encapsulated dry-type transformer |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
| CN206834043U (en) * | 2017-05-26 | 2018-01-02 | 伍尔特电子(深圳)有限公司 | Transformer |
-
2017
- 2017-05-26 CN CN201710382364.4A patent/CN107068356A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202506A (en) * | 1982-05-21 | 1983-11-25 | Toshiba Corp | Resin-molded coil |
| CN2045887U (en) * | 1988-12-24 | 1989-10-11 | 浙江省玉环县互感器厂 | Pouring dry transformer |
| US5396210A (en) * | 1993-03-17 | 1995-03-07 | Square D Company | Dry-type transformer and method of manufacturing |
| CN2896467Y (en) * | 2006-04-27 | 2007-05-02 | 万达集团股份有限公司 | Dry-type transformer for oil pump |
| CN201765917U (en) * | 2010-06-28 | 2011-03-16 | 青岛艾诺智能仪器有限公司 | High-power switching transformer |
| CN103117156A (en) * | 2013-03-01 | 2013-05-22 | 重庆祥龙电气有限公司 | Special-structure epoxy resin encapsulated dry-type transformer |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
| CN206834043U (en) * | 2017-05-26 | 2018-01-02 | 伍尔特电子(深圳)有限公司 | Transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335747A (en) * | 2019-07-11 | 2019-10-15 | 东莞普思电子有限公司 | Current transformer is isolated in SMD high current |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102428527B (en) | Surface mount magnetic components and methods of manufacturing the same | |
| CN104064337A (en) | Ring transformer with shell | |
| CN203826178U (en) | Toroidal inductor vertically wound with flat wires | |
| CN106024332A (en) | Coil device and method for manufacturing the same | |
| CN109767897A (en) | Voltage transformer coil first winding and its winding method | |
| US20120044035A1 (en) | Winding and method for producing a winding | |
| CN206834043U (en) | Transformer | |
| CN107068356A (en) | Transformer and its manufacture method | |
| CN207425595U (en) | A kind of network transformer structure | |
| CN104425124B (en) | Coil winding method for inductor and equipment | |
| CN217781299U (en) | Device for prefabricating ceramic aluminum wire turns | |
| KR101215824B1 (en) | Manufacturing method of stacked coil in the form of letter 8 | |
| CN202678058U (en) | Power transformer | |
| JP2010206029A (en) | Coil member for reactor, method of manufacturing the same, and reactor | |
| CN204011014U (en) | Fill chlamydate toroidal transformer | |
| US20160035488A1 (en) | Cast Split Low Voltage Coil With Integrated Cooling Duct Placement After Winding Process | |
| CN202930233U (en) | Spiral electrode for vacuum capacitor, and vacuum capacitor thereof | |
| CN201327765Y (en) | High-frequency transformer for electric welding device | |
| CN202258703U (en) | Transformer winding structure and transformer | |
| CN102360800B (en) | Winding method and structure for transformer, and transformer | |
| CN207068619U (en) | PCB (printed circuit board) inductor | |
| CN103093935A (en) | Coil component and manufacturing method thereof | |
| CN102254677A (en) | Closed loop iron core coiling method and structure | |
| CN202601382U (en) | One-line and one-slot high-frequency transformer framework | |
| CN207993641U (en) | A kind of transformer framework firmly installed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |