CN110544582A - Production process of oil-immersed transformer - Google Patents
Production process of oil-immersed transformer Download PDFInfo
- Publication number
- CN110544582A CN110544582A CN201910835325.4A CN201910835325A CN110544582A CN 110544582 A CN110544582 A CN 110544582A CN 201910835325 A CN201910835325 A CN 201910835325A CN 110544582 A CN110544582 A CN 110544582A
- Authority
- CN
- China
- Prior art keywords
- oil
- finished product
- coil
- semi
- oil injection
- 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
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Classifications
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- 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
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- 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
- H01F41/005—Impregnating or encapsulating
-
- 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
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- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- 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
- H01F41/077—Deforming the cross section or shape of the winding material while winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a production process of an oil-immersed transformer, which comprises eight steps of manufacturing an iron core, manufacturing a coil semi-finished product, preprocessing a coil, assembling, dipping paint, boxing, injecting oil and detecting.
Description
Technical Field
The invention relates to the technical field of transformer processing, and particularly belongs to a production process of an oil-immersed transformer.
Background
the transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a coil and an iron core. The oil immersed transformer is to put the iron core winding into insulating oil, and the oil is used as the main insulating means of the transformer, and the oil is used as the cooling medium, such as oil immersion self-cooling, oil immersion air cooling, oil immersion water cooling and forced oil circulation. The main parts of the transformer are iron core, winding, oil tank, conservator, respirator, explosion-proof tube (pressure relief valve), radiator, insulation support, tap switch, gas relay, thermometer and oil purifier, etc. the preparation of oil immersed transformer in the prior art does not have good preparation process and strict operating specification, and the preparation speed is slow, and the product qualification rate is low after the preparation is accomplished, therefore, it is necessary to design an oil immersed transformer production technology urgently.
Disclosure of Invention
the invention aims to provide a production process of an oil immersed transformer, which aims to overcome the defects that in the prior art, the oil immersed transformer is manufactured without good manufacturing procedures and strict operation specifications, the manufacturing speed is low, the qualified rate of the manufactured product is low and the like.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
A production process of an oil-immersed transformer comprises the following steps:
S1, manufacturing an iron core: carrying out longitudinal shearing and transverse shearing on the coil stock, and carrying out stacking treatment on the obtained silicon steel sheets to obtain an iron core;
s2, manufacturing a coil semi-finished product: winding the required coil and the insulating part on a winding machine to form a coil semi-finished product;
s3, coil pretreatment: shaping the coil semi-finished product obtained in the step S2, and then, moving the coil semi-finished product into a drying furnace for drying to obtain a coil finished product;
s4, assembling: assembling the manufactured iron core and the coil to form a semi-finished product;
s5, paint dipping: and moving the semi-finished product into a drying furnace, heating to the temperature of 100-120 ℃, naturally cooling to the temperature of 50-60 ℃, putting the semi-finished product into vacuum equipment for vacuumizing, wherein the vacuum pressure is between-0.09 Mpa and-0.1 Mpa, standing for 4-5 minutes after the pressure reaches, simultaneously injecting special paint to enable the liquid level of the paint to rise, stopping injecting the paint after the paint completely covers the product, standing for 6-8 minutes, and taking out and drying.
s6, boxing: putting the semi-finished product obtained in the step S5 into an oil tank and fixing;
s7, oil injection: putting the oil tank into a vacuum oil injection tank for vacuum oil injection, wherein the vacuum pressure in the vacuum oil injection tank is between-0.09 Mpa and-0.1 Mpa during oil injection, the oil temperature is between 50 ℃ and 60 ℃, and the oil is kept for 4 to 8 hours, and a finished product is obtained after the oil injection is finished;
S8, detecting: and (3) placing the finished product into a drying oven for detection, controlling the temperature of the drying oven to be 60-80 ℃, controlling the heat preservation time to be 6-8h, and observing whether oil leakage occurs or not.
further, the oil injection speed in step S7 is 4 t/h. Compared with the prior art, the invention has the following implementation effects:
the production process of the oil-immersed transformer is characterized in that the production method of the oil-immersed transformer is introduced in detail, operators can operate according to the method strictly, the production efficiency is improved, the process is simple and easy to operate, the production efficiency is improved, and meanwhile, the yield of products is improved.
Detailed Description
the present invention will be further described with reference to the following examples, but the present invention is not limited to these examples, and any modification is within the scope of the present invention without departing from the spirit of the present invention.
The invention relates to a production process of an oil-immersed transformer, which comprises the following steps:
s1, manufacturing an iron core: carrying out longitudinal shearing and transverse shearing on the coil stock, and carrying out stacking treatment on the obtained silicon steel sheets to obtain an iron core;
s2, manufacturing a coil semi-finished product: winding the required coil and the insulating part on a winding machine to form a coil semi-finished product;
S3, coil pretreatment: shaping the coil semi-finished product obtained in the step S2, and then, moving the coil semi-finished product into a drying furnace for drying to obtain a coil finished product;
s4, assembling: assembling the manufactured iron core and the coil to form a semi-finished product;
s5, paint dipping: and moving the semi-finished product into a drying furnace, heating to the temperature of 100-120 ℃, naturally cooling to the temperature of 50-60 ℃, putting the semi-finished product into vacuum equipment for vacuumizing, wherein the vacuum pressure is between-0.09 Mpa and-0.1 Mpa, standing for 4-5 minutes after the pressure reaches, simultaneously injecting special paint to enable the liquid level of the paint to rise, stopping injecting the paint after the paint completely covers the product, standing for 6-8 minutes, and taking out and drying.
s6, boxing: putting the semi-finished product obtained in the step S5 into an oil tank and fixing;
S7, oil injection: putting the oil tank into a vacuum oil injection tank for vacuum oil injection, wherein the vacuum pressure in the vacuum oil injection tank is between-0.09 Mpa and-0.1 Mpa during oil injection, the oil temperature is between 50 ℃ and 60 ℃, and the oil is kept for 4 to 8 hours, and a finished product is obtained after the oil injection is finished;
S8, detecting: and (3) placing the finished product into a drying oven for detection, controlling the temperature of the drying oven to be 60-80 ℃, controlling the heat preservation time to be 6-8h, and observing whether oil leakage occurs or not.
The oil injection speed in the step S7 is 4 t/h.
The foregoing is merely exemplary and illustrative of the present inventive concept and various modifications, additions and substitutions of similar embodiments may be made to the specific embodiments described by those skilled in the art without departing from the inventive concept or exceeding the scope of the claims as defined in the accompanying claims.
Claims (2)
1. the production process of the oil-immersed transformer is characterized by comprising the following steps of: the method comprises the following steps:
s1, manufacturing an iron core: carrying out longitudinal shearing and transverse shearing on the coil stock, and carrying out stacking treatment on the obtained silicon steel sheets to obtain an iron core;
S2, manufacturing a coil semi-finished product: winding the required coil and the insulating part on a winding machine to form a coil semi-finished product;
S3, coil pretreatment: shaping the coil semi-finished product obtained in the step S2, and then, moving the coil semi-finished product into a drying furnace for drying to obtain a coil finished product;
s4, assembling: assembling the manufactured iron core and the coil to form a semi-finished product;
s5, paint dipping: moving the semi-finished product into a drying furnace, heating to the temperature of 100-120 ℃, then naturally cooling to the temperature of 50-60 ℃, then putting the semi-finished product into vacuum equipment for vacuumizing, wherein the vacuum pressure is between-0.09 Mpa and-0.1 Mpa, standing for 4-5 minutes after the pressure reaches, simultaneously injecting special paint to enable the liquid level of the paint to rise, stopping injecting the paint after the paint completely covers the product, then standing for 6-8 minutes, taking out and drying;
S6, boxing: putting the semi-finished product obtained in the step S5 into an oil tank and fixing;
s7, oil injection: putting the oil tank into a vacuum oil injection tank for vacuum oil injection, wherein the vacuum pressure in the vacuum oil injection tank is between-0.09 Mpa and-0.1 Mpa during oil injection, the oil temperature is between 50 ℃ and 60 ℃, and the oil is kept for 4 to 8 hours, and a finished product is obtained after the oil injection is finished;
S8, detecting: and (3) placing the finished product into a drying oven for detection, controlling the temperature of the drying oven to be 60-80 ℃, controlling the heat preservation time to be 6-8h, and observing whether oil leakage occurs or not.
2. the oil-filled transformer production process according to claim 1, characterized in that: the oil injection speed in the step S7 is 4 t/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835325.4A CN110544582A (en) | 2019-09-05 | 2019-09-05 | Production process of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835325.4A CN110544582A (en) | 2019-09-05 | 2019-09-05 | Production process of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110544582A true CN110544582A (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835325.4A Pending CN110544582A (en) | 2019-09-05 | 2019-09-05 | Production process of oil-immersed transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN110544582A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611526A (en) * | 2021-09-07 | 2021-11-05 | 安徽兆晟新能源科技有限公司 | Paint dipping process for transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646769A (en) * | 2013-12-26 | 2014-03-19 | 芜湖国睿兆伏电子有限公司 | Manufacturing technology of pulse transformer |
| CN107293396A (en) * | 2017-05-19 | 2017-10-24 | 王振宇 | A kind of production technology of oil-filled transformer |
| KR101802886B1 (en) * | 2017-06-13 | 2017-11-29 | 제룡전기 주식회사 | Manufacturing process of transformer and transformer manufactured using the same |
| CN108831740A (en) * | 2018-08-03 | 2018-11-16 | 合肥鑫伟电力设备有限公司 | A kind of dry-type transformer dipping paint method |
| CN110060861A (en) * | 2019-05-17 | 2019-07-26 | 聊城鑫大变压器有限公司 | A kind of production method of oil-immersed type transformer |
-
2019
- 2019-09-05 CN CN201910835325.4A patent/CN110544582A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646769A (en) * | 2013-12-26 | 2014-03-19 | 芜湖国睿兆伏电子有限公司 | Manufacturing technology of pulse transformer |
| CN107293396A (en) * | 2017-05-19 | 2017-10-24 | 王振宇 | A kind of production technology of oil-filled transformer |
| KR101802886B1 (en) * | 2017-06-13 | 2017-11-29 | 제룡전기 주식회사 | Manufacturing process of transformer and transformer manufactured using the same |
| CN108831740A (en) * | 2018-08-03 | 2018-11-16 | 合肥鑫伟电力设备有限公司 | A kind of dry-type transformer dipping paint method |
| CN110060861A (en) * | 2019-05-17 | 2019-07-26 | 聊城鑫大变压器有限公司 | A kind of production method of oil-immersed type transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611526A (en) * | 2021-09-07 | 2021-11-05 | 安徽兆晟新能源科技有限公司 | Paint dipping process for transformer |
| CN113611526B (en) * | 2021-09-07 | 2023-07-28 | 安徽兆晟新能源科技有限公司 | Transformer paint dipping process |
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Application publication date: 20191206 |