CN115631945A - Method for manufacturing primary winding of voltage transformer - Google Patents
Method for manufacturing primary winding of voltage transformer Download PDFInfo
- Publication number
- CN115631945A CN115631945A CN202211320299.XA CN202211320299A CN115631945A CN 115631945 A CN115631945 A CN 115631945A CN 202211320299 A CN202211320299 A CN 202211320299A CN 115631945 A CN115631945 A CN 115631945A
- Authority
- CN
- China
- Prior art keywords
- winding
- primary
- insulating cylinder
- voltage transformer
- coils
- 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
Images
Classifications
-
- 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
- H01F41/06—Coil winding
- H01F41/09—Winding machines having two or more work holders or formers
-
- 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
- H01F41/06—Coil winding
-
- 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
- H01F41/10—Connecting leads to windings
-
- 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
- H01F41/122—Insulating between turns or between winding layers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention relates to the technical field of voltage transformer winding manufacturing, and discloses a method for manufacturing a primary winding of a voltage transformer, which comprises the following steps: the method comprises the following steps that firstly, at least two winding support skeletons are arranged on the same winding machine, and primary coils are wound on all the winding support skeletons simultaneously by using the winding machine; step two, after the primary coils are wound, taking down each primary coil from the winding support framework, assembling the primary coils on insulating cylinders, and assembling two primary coils on each insulating cylinder; and step three, electrically connecting the two primary coils assembled on the same insulating cylinder. The method for manufacturing the primary winding of the voltage transformer can realize simultaneous winding of two primary coils of the primary winding and all the primary coils of the same group of voltage transformers, so that the method for manufacturing the primary winding of the voltage transformer has high production efficiency.
Description
Technical Field
The invention relates to the technical field of voltage transformer winding manufacturing, in particular to a method for manufacturing a primary winding of a voltage transformer.
Background
The traditional method for winding the primary winding of the voltage transformer is to sleeve an insulating cylinder on a wound secondary winding, then to wind the primary winding outside the insulating cylinder, wherein the primary winding is started after the winding of the secondary winding is finished, each primary winding machine can only wind one voltage transformer once, the primary winding comprises two primary coils, and the two primary coils can only be wound in sequence, so that the waiting time in the production process is long, and the production efficiency is low.
Therefore, how to provide a method for manufacturing a primary winding of a voltage transformer with high production efficiency becomes a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the invention provides a method for manufacturing a primary winding of a voltage transformer, which has high production efficiency.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a method for manufacturing a primary winding of a voltage transformer, which comprises the following steps: the method comprises the following steps that firstly, at least two winding supporting frameworks are arranged on the same winding machine, and primary coils are wound on all the winding supporting frameworks simultaneously by using the winding machine; after the primary coils are wound, taking down each primary coil from the winding support framework, assembling the primary coils on insulating cylinders, and assembling two primary coils on each insulating cylinder; and step three, electrically connecting the two primary coils assembled on the same insulating cylinder.
Preferably, coiling on the wire winding support skeleton primary coil is in before set up first shielding structure on the periphery lateral wall of wire winding support skeleton coiling on first shielding structure's the lateral wall primary coil after the primary coil coiling is accomplished, primary coil with first shielding structure forms the solenoid, will the solenoid certainly take off on the support skeleton, and will the solenoid equipment extremely on the insulating cylinder, each all assemble two on the insulating cylinder the solenoid, just the solenoid equipment extremely back on the insulating cylinder, will assemble extremely same two on the insulating cylinder two of solenoid first shielding structure electricity is connected.
Preferably, a second shielding structure is provided on an outer circumferential side wall of the insulating cylinder before the primary coil is assembled to the insulating cylinder.
Preferably, the method for manufacturing the primary winding of the voltage transformer further comprises the following steps: and step four, assembling the insulating cylinder on the secondary winding.
Preferably, a third shielding structure is provided on an inner circumferential side wall of the insulation tube before the insulation tube is assembled to the secondary winding.
Preferably, each of the primary coils is connected with a conductive plate, and the two primary coils assembled on the same insulation cylinder are electrically connected by connecting the two conductive plates connected with the two primary coils assembled on the same insulation cylinder.
Preferably, a fourth shielding structure is arranged outside the two connected conducting strips.
Preferably, after the primary coil is assembled to the insulating cylinder, a conductive structure and a fifth shielding structure are sequentially arranged on the peripheral side wall of the primary coil from inside to outside, the conductive structure is attached to the primary coil and the fifth shielding structure, and edges on two sides of the fifth shielding structure are connected with the primary coil.
Preferably, when the primary coil is wound, an insulating layer is arranged between each layer of the primary coil.
Compared with the prior art, the invention has the following technical effects:
the invention provides a method for manufacturing a primary winding of a voltage transformer, which comprises the following steps: the method comprises the following steps that firstly, at least two winding support frameworks are arranged on the same winding machine, and primary coils are wound on all the winding support frameworks simultaneously by using the winding machine; step two, after the primary coils are wound, taking down each primary coil from the winding support framework, assembling the primary coils on insulating cylinders, and assembling two primary coils on each insulating cylinder; and step three, electrically connecting the two primary coils assembled on the same insulating cylinder. The method for manufacturing the primary winding of the voltage transformer can realize simultaneous winding of two primary coils of the primary winding, so that the production efficiency of the voltage transformer can be effectively improved.
In addition, the method for manufacturing the primary winding of the voltage transformer can realize the simultaneous winding of all primary coils of the same group of voltage transformers (the voltage transformers are generally formed into one group by three and used simultaneously), the resistance of the voltage transformer is mainly determined by the resistance of the primary coils, and the resistance difference between the same group of voltage transformers can be reduced by simultaneously winding the primary coils of the same group of voltage transformers, so that the resistance consistency of the same group of voltage transformers is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a voltage transformer provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a voltage transformer coil provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an insulation cylinder of a voltage transformer provided in an embodiment of the present invention;
fig. 1-2 reference numbers illustrate: 1. a coil; 101. a primary coil; 102. a first shielding structure; 2. a secondary winding; 3. an insulating cylinder; 4. a second shielding structure.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a method for manufacturing a primary winding of a voltage transformer, which has high production efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to fig. 3, a method for manufacturing a primary winding of a voltage transformer provided in this embodiment includes the following steps: step one, arranging at least two winding supporting frameworks on the same winding machine, and simultaneously winding primary coils 101 on all the winding supporting frameworks by using the winding machine; step two, after the primary coils 101 are wound, taking down the primary coils 101 from the winding support framework, assembling the primary coils 101 on the insulating cylinders 3, and assembling two primary coils 101 on each insulating cylinder 3; and step three, electrically connecting the two primary coils 101 assembled on the same insulating cylinder 3. The method for manufacturing the primary winding of the voltage transformer can realize simultaneous winding of two primary coils 101 of the primary winding, so that the production efficiency of the voltage transformer can be effectively improved.
In addition, the method for manufacturing the primary winding of the voltage transformer can also realize the simultaneous winding of all primary coils of the same group of voltage transformers (the voltage transformers are generally three to form one group, but the voltage transformers are not limited to three to form one group, and the voltage transformers can also be used in other numbers, one group is used at the same time), the resistance of the voltage transformer is mainly determined by the resistance of the primary coils, and the resistance difference between the voltage transformers in the same group can be reduced by simultaneously winding the primary coils of the voltage transformer in the same group, so that the consistency of the resistance of the voltage transformers in the same group is good.
Specifically, as three voltage transformers are generally used at the same time, in the step one, 6 or winding supporting frameworks which are multiples of 6 are generally arranged on the same winding machine. However, in the step one, the number of winding support frames provided on the same winding machine is not limited to 6 or a multiple of 6, two or more winding support frames may be provided, and the detailed number of the winding support frames is determined according to actual needs.
Specifically, the primary coil 101 is fitted over the insulating cylinder 3 and fixed by wood glue, so that the primary coil 101 is assembled to the insulating cylinder 3.
Specifically, the winding support frame is of a cylindrical structure. According to the traditional winding method, the insulating cylinder 3 is sleeved on the winding machine, and the primary coil is directly wound on the insulating cylinder 3, in the manufacturing method of the primary winding of the voltage transformer in the embodiment, the primary coil 101 is not directly wound on the insulating cylinder 3, so that a winding supporting framework needs to be arranged, the winding supporting framework is used as the insulating cylinder 3 during winding, and the primary coil 101 is taken down from the winding supporting framework and sleeved on the insulating cylinder 3 after the winding of the primary coil 101 is completed. The shape and size of the winding supporting framework are consistent with those of the insulating cylinder 3. The detailed structure of the winding machine belongs to the prior art and is not described in detail herein. In addition, the matching mode of the winding supporting framework and the winding machine is the same as the matching mode of the winding machine and the insulating cylinder 3, and the matching mode does not belong to the key point of the protection of the invention, so the details are not repeated here.
In a conventional winding manner, an insulating cylinder is sleeved on a winding machine for winding, and as shown in fig. 2, in this embodiment, a first shielding structure 102 is arranged on a peripheral side wall of a winding support frame before a primary coil 101 is wound on the winding support frame, the primary coil 101 is wound on an outer side wall of the first shielding structure 102, after the primary coil 101 is wound, the primary coil 101 and the first shielding structure 102 form a coil 1, the coil 1 is taken down from the support frame, the coil 1 is assembled onto the insulating cylinder 3, two coils 1 are assembled on each insulating cylinder 3, and after the coil 1 is assembled onto the insulating cylinder 3, the two first shielding structures 102 of the two coils 1 assembled onto the same insulating cylinder 3 are electrically connected to form an integral shield.
Specifically, a semiconductor crepe paper is wrapped on the outer peripheral side wall of the winding support skeleton to form the first shielding structure 102.
Referring to fig. 3, in the present embodiment, the second shielding structure 4 is provided on the outer circumferential side wall of the insulating cylinder 3 before the primary coil 101 is assembled to the insulating cylinder 3.
Specifically, a semiconductive paint is applied on the outer peripheral side wall of the insulating tube 3 to form the second shield structure 4.
In this embodiment, the method for manufacturing the primary winding of the voltage transformer further includes the following steps: and step four, assembling the insulating cylinder 3 on the secondary winding 2.
In the present embodiment, the third shielding structure is provided on the inner circumferential side wall of the insulating tube 3 before the insulating tube 3 is assembled to the secondary winding 2.
Specifically, a semiconductive paint is applied on the inner peripheral side wall of the insulating tube 3 to form the third shielding structure. The third shielding structure is used for shielding burrs of the insulating cylinder 3 and an electric field between the primary winding and the secondary winding 2.
In the present embodiment, each of the primary coils 101 is connected with a conductive sheet, and the two conductive sheets connected with the two primary coils 101 assembled on the same insulating cylinder 3 are connected, so that the two primary coils 101 assembled on the same insulating cylinder 3 are electrically connected.
Specifically, in the present embodiment, the conductive sheet is made of copper foil, but is not limited to copper foil, and only by way of example, other conductive structures may be used.
Further, the two conducting strips are mutually overlapped and are welded and connected together.
In this embodiment, the fourth shielding structure is disposed outside the two connected conductive sheets.
Specifically, the semiconductor crepe paper is wrapped outside the two connected conducting strips to form a fourth shielding structure, and the two conducting strips are wrapped inside the semiconductor crepe paper.
Furthermore, after the welding spots at the welding connection positions of the two conducting strips are confirmed to be smooth, semiconductor paint is coated to cover the welding spots, and then a fourth shielding structure is arranged outside the two conducting strips which are connected.
In this embodiment, after the primary coil 101 is assembled on the insulating cylinder 3, the conductive structure and the fifth shielding structure are sequentially disposed on the peripheral sidewall of the primary coil 101 from inside to outside, the conductive structure is attached to the primary coil 101 and the fifth shielding structure, and two side edges of the fifth shielding structure are connected to the primary coil 101. By providing the conductive structure between the primary coil 101 and the fifth shielding structure, good conductive performance can be maintained between the primary coil 101 and the fifth shielding structure.
Specifically, the conductive structure is copper foil, but is not limited to copper foil, and is only exemplified here. The width of the conductive structure is equal to the thickness of the primary coil 101, and the fifth shielding structure is also made by wrapping semiconductor crepe paper. During specific operation, the copper foil is placed in the middle on one surface of the semiconductor crepe paper, the copper foil is fixedly connected with the semiconductor crepe paper through wood glue, and then the semiconductor crepe paper and the copper foil are wrapped on the outer peripheral side wall of the primary coil 101. Note that, when the outsourcing operation is performed, the side of the semiconductor crepe paper on which the copper foil is provided is disposed opposite to the outer peripheral sidewall of the primary coil 101, so that the conductive structure is disposed between the primary coil 101 and the fifth shielding structure.
In the present embodiment, when the primary coil 101 is wound, an insulating layer is provided between each layer of the primary coil 101.
Specifically, the insulating layer is made of a polyester film insulating composite foil, the insulating layer is a polyester film insulating composite foil insulating layer, and the polyester film insulating composite foil is padded between any two adjacent layers of the primary coil 101.
Specifically, in the present embodiment, the insulating cylinder 3 is made of epoxy resin. It should be noted that the insulating cylinder 3 is not limited to be made of epoxy resin, and may be made of other insulating materials, which are only exemplified here.
In this embodiment, the primary coil 101 is formed by winding an enameled round copper wire layer by layer, and before winding, a conductive plate is connected to one end of the enameled round copper wire in advance.
The method for manufacturing the primary winding of the voltage transformer has the following advantages:
1. by adopting the method for manufacturing the primary winding of the voltage transformer, the secondary winding 2 and the primary winding can be independently and separately wound and finally assembled and combined with the iron core, the primary winding is not influenced by the secondary winding 2, multiple groups of products can be simultaneously wound, and the production efficiency is higher.
2. The handling and the loading of the iron core and the secondary winding 2 are reduced in the production process, and the labor intensity of operation is effectively reduced.
3. A plurality of same winding support skeletons are simultaneously operated, primary winding is simultaneously performed on the winding support skeletons operated on the machine, and the consistency of product resistance is better.
4. The two primary coils 101 of the primary winding break through a traditional process method for independently winding the two primary coils 101 in sequence, the two primary coils 101 of the primary winding are simultaneously wound by the same machine by the primary winding manufacturing method of the voltage transformer provided by the embodiment, the two primary coils 101 are combined through the insulating cylinder 3 after winding is finished, and the two primary coils 101 are welded and conducted through the conducting strips to form the primary winding, so that the production efficiency is greatly improved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A method for manufacturing a primary winding of a voltage transformer is characterized by comprising the following steps:
the method comprises the following steps that firstly, at least two winding support frameworks are arranged on the same winding machine, and primary coils are wound on all the winding support frameworks simultaneously by using the winding machine;
after the primary coils are wound, taking down each primary coil from the winding support framework, assembling the primary coils on insulating cylinders, and assembling two primary coils on each insulating cylinder;
and step three, electrically connecting the two primary coils assembled on the same insulating cylinder.
2. The method for manufacturing the primary winding of the voltage transformer according to claim 1, wherein a first shielding structure is arranged on the peripheral side wall of the winding support framework before the primary coil is wound on the winding support framework, the primary coil is wound on the outer side wall of the first shielding structure, after the primary coil is wound, the primary coil and the first shielding structure form a coil, the coil is taken down from the support framework and assembled on the insulating cylinder, two coils are assembled on each insulating cylinder, and after the coil is assembled on the insulating cylinder, the two first shielding structures of the two coils assembled on the same insulating cylinder are electrically connected.
3. The method of fabricating a primary winding for a voltage transformer according to claim 1, wherein a second shielding structure is provided on a peripheral sidewall of the insulating cylinder before the primary coil is assembled to the insulating cylinder.
4. The method for manufacturing a primary winding of a voltage transformer according to claim 1, further comprising the steps of:
and step four, assembling the insulating cylinder on the secondary winding.
5. The method of fabricating a primary winding for a voltage transformer according to claim 4, wherein a third shielding structure is provided on an inner circumferential side wall of the insulating cylinder before assembling the insulating cylinder to the secondary winding.
6. The method of claim 1, wherein each of the primary coils is connected with a conductive sheet, and the two primary coils assembled on the same insulating cylinder are electrically connected by connecting the two conductive sheets connected to the two primary coils assembled on the same insulating cylinder.
7. The method for manufacturing a primary winding of a voltage transformer according to claim 6, wherein a fourth shielding structure is arranged outside each of the two connected conducting strips.
8. The method for manufacturing the primary winding of the voltage transformer according to claim 1, wherein after the primary coil is assembled on the insulating cylinder, a conductive structure and a fifth shielding structure are sequentially arranged on the peripheral side wall of the primary coil from inside to outside, the conductive structure is attached to the primary coil and the fifth shielding structure, and two side edges of the fifth shielding structure are connected to the primary coil.
9. The method of claim 1, wherein an insulating layer is disposed between layers of the primary coil during winding of the primary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320299.XA CN115631945A (en) | 2022-10-26 | 2022-10-26 | Method for manufacturing primary winding of voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211320299.XA CN115631945A (en) | 2022-10-26 | 2022-10-26 | Method for manufacturing primary winding of voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115631945A true CN115631945A (en) | 2023-01-20 |
Family
ID=84906541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211320299.XA Pending CN115631945A (en) | 2022-10-26 | 2022-10-26 | Method for manufacturing primary winding of voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115631945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487160A (en) * | 2023-04-07 | 2023-07-25 | 山东泰开互感器有限公司 | Coil for high-power supply voltage transformer and winding method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545100A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | Voltage transformer |
| WO2015090119A1 (en) * | 2013-12-17 | 2015-06-25 | 国家电网公司 | Full-shielding high-voltage isolated-type voltage transformer |
| CN105761927A (en) * | 2014-12-15 | 2016-07-13 | 深圳市有钢机电设备有限公司 | Winding machine and winding method |
| CN107808763A (en) * | 2017-11-29 | 2018-03-16 | 大连北方互感器集团有限公司 | Voltage transformer primary winding high-tension shielding apparatus and preparation method thereof |
| CN207367784U (en) * | 2017-11-16 | 2018-05-15 | 胜美达电机（常德）有限公司 | New coil coil winding machine |
| CN109300576A (en) * | 2018-12-03 | 2019-02-01 | 大连北方互感器集团有限公司 | A kind of major insulation device and production method, voltage transformer and production method |
| CN211858365U (en) * | 2020-04-17 | 2020-11-03 | 大连北方互感器集团有限公司 | Primary coil shielding structure of voltage transformer |
| CN212380283U (en) * | 2020-07-22 | 2021-01-19 | 上海涵恒线材有限公司 | Coiling machine is used in production of polyurethane enamelled round copper wire |
| CN217182007U (en) * | 2021-12-30 | 2022-08-12 | 佛山市时盟光精密机械有限公司 | Multi-station winding machine |
-
2022
- 2022-10-26 CN CN202211320299.XA patent/CN115631945A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545100A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | Voltage transformer |
| WO2015090119A1 (en) * | 2013-12-17 | 2015-06-25 | 国家电网公司 | Full-shielding high-voltage isolated-type voltage transformer |
| CN105761927A (en) * | 2014-12-15 | 2016-07-13 | 深圳市有钢机电设备有限公司 | Winding machine and winding method |
| CN207367784U (en) * | 2017-11-16 | 2018-05-15 | 胜美达电机（常德）有限公司 | New coil coil winding machine |
| CN107808763A (en) * | 2017-11-29 | 2018-03-16 | 大连北方互感器集团有限公司 | Voltage transformer primary winding high-tension shielding apparatus and preparation method thereof |
| CN109300576A (en) * | 2018-12-03 | 2019-02-01 | 大连北方互感器集团有限公司 | A kind of major insulation device and production method, voltage transformer and production method |
| CN211858365U (en) * | 2020-04-17 | 2020-11-03 | 大连北方互感器集团有限公司 | Primary coil shielding structure of voltage transformer |
| CN212380283U (en) * | 2020-07-22 | 2021-01-19 | 上海涵恒线材有限公司 | Coiling machine is used in production of polyurethane enamelled round copper wire |
| CN217182007U (en) * | 2021-12-30 | 2022-08-12 | 佛山市时盟光精密机械有限公司 | Multi-station winding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487160A (en) * | 2023-04-07 | 2023-07-25 | 山东泰开互感器有限公司 | Coil for high-power supply voltage transformer and winding method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070279177A1 (en) | Disc-wound transformer with foil conductor and method of manufacturing the same | |
| CN201622903U (en) | Novel multi-groove flyback high frequency transformer | |
| CN115631945A (en) | Method for manufacturing primary winding of voltage transformer | |
| US9978503B2 (en) | Transformer winding, transformer having the same and manufacturing method thereof | |
| CN211957391U (en) | 110 kV-level layered coil structure with interlayer electrostatic shielding | |
| KR101596399B1 (en) | iron core winding assembly for transformer | |
| WO2017107129A1 (en) | Power transformer having circularly inserted silicon steel strip as magnetic core, and method of manufacturing same | |
| CN105074845A (en) | Oil-filled transformer | |
| CN105655108B (en) | Pass around power transformer of silicon strip magnetic core and preparation method thereof | |
| CN215183435U (en) | Three-phase three-column planar iron core and transformer | |
| CN205335042U (en) | Wear power transformer around silicon strip magnetic core | |
| CN114121446A (en) | Practical, convenient and efficient electronic transformer and manufacturing method thereof | |
| US4126844A (en) | Electrical inductive apparatus | |
| CN218676743U (en) | Anti-short-circuit three-dimensional triangular rolled iron core oil-immersed transformer | |
| CN115497717A (en) | Three-phase three-column planar iron core, manufacturing method thereof and transformer | |
| CN207637614U (en) | A kind of two-in-one package inductance transformer altogether | |
| CN207165395U (en) | A kind of ZPSG W type phase-shifting rectifier transformers | |
| CA2761612A1 (en) | Method for producing a disk winding | |
| JP2004119682A (en) | Coil for mold transformer and manufacturing method therefor | |
| JPS5870511A (en) | Multi-stage wound iron core | |
| CN207752869U (en) | A kind of magnetic integrated transformer | |
| CN110739146A (en) | Process for manufacturing opposite phase voltage transformer by adopting C-shaped iron core | |
| CN216749568U (en) | Novel transformer framework structure | |
| CN107221421A (en) | A kind of ZPSG W type phase-shifting rectifier transformers | |
| JPS58184710A (en) | Shield type transformer |
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 |