CN109192502A - A kind of paint-dipping process of electromagnet coil - Google Patents
A kind of paint-dipping process of electromagnet coil Download PDFInfo
- Publication number
- CN109192502A CN109192502A CN201811102749.1A CN201811102749A CN109192502A CN 109192502 A CN109192502 A CN 109192502A CN 201811102749 A CN201811102749 A CN 201811102749A CN 109192502 A CN109192502 A CN 109192502A
- Authority
- CN
- China
- Prior art keywords
- coil
- temperature
- paint
- impregnating vessel
- furnace
- 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.)
- Withdrawn
Links
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
- H01F41/12—Insulating of windings
- H01F41/127—Encapsulating or impregnating
Abstract
The present invention relates to a kind of paint-dipping process of electromagnet coil; dipping lacquer pre-treatment-dipping lacquer processing is first carried out to coil using existing paint-dipping process; traditional mica tape is used again to protect; two kinds of techniques combine; make a kind of paint-dipping process of electromagnet coil of the present invention make coil have the advantage that insulation performance, mechanical performance, heat resistance and resistance to voltage to significantly improving; the service life for improving coil simultaneously, makes the quality of electronic electromagnetic iron rise a new step.
Description
Technical field
The present invention relates to electric conductor insulating process, especially a kind of paint-dipping process of electromagnet coil.
Background technique
Electromagnet is switched on a kind of device for generating electromagnetism.Iron core be externally wrapped with its power match it is conductive around
Group, this coil to alive have magnetism as magnet, it is also referred to as electromagnet.Electromagnet is applied to be needed to inhale very much
Attached occasion, some occasions need on-off to adsorb or discharge by suction material, and some occasions are required to constant force control adsorbent material.
Electromagnet is widely used in various industries, and the coil in electromagnet is protected.The protection of coil is primarily to full
The technical requirements of sufficient insulation performance, the effect that cannot not be able to maintain disturbedly coil during the work time.Traditional stator dipping
Technique haves the defects that dipping lacquer is thorough, paint film unevenly causes surface paint tumor occur, may result in turn-to-turn short circuit, even
Cause the safety accidents such as fire.
Summary of the invention
The purpose of the present invention is to provide a kind of paint-dipping process of electromagnet coil, using existing paint-dipping process and conventional cloud
The combination of female technique, make coil insulation performance, mechanical performance, heat resistance and resistance to voltage to significantly improving, simultaneously
The service life for improving coil, makes the quality of electronic electromagnetic iron rise a new step.
A kind of insulating process of electromagnet coil, the coil are mounted on the iron core of electromagnet, the dipping lacquer of the coil
Technique the following steps are included:
A, before dipping lacquer: first drying the coil wound, place the coil in drying oven, and furnace temperature is adjusted to 130-
150 °C, and to being vacuumized in drying oven, so that coil is kept 5-6 hour under vacuum conditions, then with 30-40 degree per hour
Temperature to cooling down in furnace, when coil temperature is reduced to 60-80 °, coil is taken out at once；
B, dipping lacquer: the preliminary dipping lacquer of coil is carried out using pressure immersion varnish mode, is first placed the coil in impregnating vessel, and to dipping lacquer
Tank vacuumizes, and the air pressure in impregnating vessel is made to be less than -0.1MPa, and the paint solution modulated is injected by the input duct of impregnating vessel,
It is submerged in coil in paint solution completely, and keeps 20-30min, close vacuum pumping valve, and open intake valve, make to lead in impregnating vessel
Enter ventilation, air pressure made to restore normal barometric pressure state, after keeping 1-5min, intake valve is closed, impregnating vessel is made to be in sealing state,
Equalizer valve is opened, the pressure in impregnating vessel is made to reach 0.5-0.6MPa, and 20min or more is maintained, first liquid outlet pipe is opened,
Paint solution is discharged by pressure, pressure release is carried out opening relief valve, makes the pressure recovery in impregnating vessel, impregnating vessel is opened, by line
Circle takes out and hangs in the sky, and dries in the air 4 hours, then coil is put into drying oven, and temperature in furnace is first made to be maintained at 50-70 °
C, then coil is put into, and keep 5-10min, then the temperature in furnace is proposed temperature in furnace with 15-25 °C of speed hourly
Height arrives at a temperature of 80-100 °C, is kept for 5-7 hour, and with the 10min that divulges information per hour, then temperature is promoted to 140-160 °
C is kept for 4-6 hour, and the 10-15min that divulges information per hour, is finally cooled down with 20-30 °C per hour of speed, is worked as coil
It is taken out after being cooled to 50-70 °C；
C, coil is mounted on iron core by outer layer protection, and using epoxy mica tape as protective layer, and is entered using traditional
Hot moulding process, is fixed on mica layer firmly on iron core coil.
Preferably, 180 DEG C~200 DEG C of hot-die is carried out after the temperature in the process of the hot pressing film in the step c is
It is cured.
Preferably, carrying out vacuumizing in a step makes the air pressure in furnace be less than -0.1MPa.
The utility model has the advantages that the present invention is a kind of paint-dipping process of electromagnet coil, using existing paint-dipping process and traditional mica
The combination of technique, make coil insulation performance, mechanical performance, heat resistance and resistance to voltage to significantly improving, mention simultaneously
The service life of high coil makes the quality of electronic electromagnetic iron rise a new step, by mica tape as outermost
Protection is improved high temperature resistant, resistance to acid and alkali and the anti-corona of coil, anti-radiation characteristic.
Specific embodiment
A kind of insulating process of electromagnet coil, the coil are mounted on the iron core of electromagnet, the dipping lacquer of the coil
Technique the following steps are included:
A, before dipping lacquer: first drying the coil wound, place the coil in drying oven, and furnace temperature is adjusted to 130-
150 °C, and to being vacuumized in drying oven, so that coil is kept 5-6 hour under vacuum conditions, then with 30-40 degree per hour
Temperature to cooling down in furnace, when coil temperature is reduced to 60-80 °, coil is taken out at once；
B, dipping lacquer: the preliminary dipping lacquer of coil is carried out using pressure immersion varnish mode, is first placed the coil in impregnating vessel, and to dipping lacquer
Tank vacuumizes, and the air pressure in impregnating vessel is made to be less than -0.1MPa, and the paint solution modulated is injected by the input duct of impregnating vessel,
It is submerged in coil in paint solution completely, and keeps 20-30min, close vacuum pumping valve, and open intake valve, make to lead in impregnating vessel
Enter ventilation, air pressure made to restore normal barometric pressure state, after keeping 1-5min, intake valve is closed, impregnating vessel is made to be in sealing state,
Equalizer valve is opened, the pressure in impregnating vessel is made to reach 0.5-0.6MPa, and 20min or more is maintained, first liquid outlet pipe is opened,
Paint solution is discharged by pressure, pressure release is carried out opening relief valve, makes the pressure recovery in impregnating vessel, impregnating vessel is opened, by line
Circle takes out and hangs in the sky, and dries in the air 4 hours, then coil is put into drying oven, and temperature in furnace is first made to be maintained at 50-70 °
C, then coil is put into, and keep 5-10min, then the temperature in furnace is proposed temperature in furnace with 15-25 °C of speed hourly
Height arrives at a temperature of 80-100 °C, is kept for 5-7 hour, and with the 10min that divulges information per hour, then temperature is promoted to 140-160 °
C is kept for 4-6 hour, and the 10-15min that divulges information per hour, is finally cooled down with 20-30 °C per hour of speed, is worked as coil
It is taken out after being cooled to 50-70 °C；
C, coil is mounted on iron core by outer layer protection, and using epoxy mica tape as protective layer, and is entered using traditional
Hot moulding process, is fixed on mica layer firmly on iron core coil.
It is advanced optimized in this fact Example,
In this example, the temperature in the process of the hot pressing film in the step c carries out 180 DEG C~200 DEG C of hot moulding after being
Solidification.
In this example, carrying out vacuumizing in a step makes the air pressure in furnace be less than -0.1MPa.
In conclusion making coil insulation performance, mechanicalness using the combination of existing paint-dipping process and traditional mica technique
Can, heat resistance and resistance to voltage to significantly improving, while improving the service life of coil, make the product of electronic electromagnetic iron
Matter rises a new step.
The above is only preferred embodiment of the invention, it is noted that those skilled in the art, not
Under the premise of being detached from the principle of the invention, some similar deformation and improvement can be made, these also should be regarded as weaving of the present invention
Within the protection scope of fabric.
Claims (3)
1. a kind of insulating process of electromagnet coil, the coil are mounted on the iron core of electromagnet, it is characterised in that: the line
The paint-dipping process of circle the following steps are included:
A, before dipping lacquer: first drying the coil wound, place the coil in drying oven, and furnace temperature is adjusted to 130-
150 °C, and to being vacuumized in drying oven, so that coil is kept 5-6 hour under vacuum conditions, then with 30-40 degree per hour
Temperature to cooling down in furnace, when coil temperature is reduced to 60-80 °, coil is taken out at once；
B, dipping lacquer: the preliminary dipping lacquer of coil is carried out using pressure immersion varnish mode, is first placed the coil in impregnating vessel, and to dipping lacquer
Tank vacuumizes, and the air pressure in impregnating vessel is made to be less than -0.1MPa, and the paint solution modulated is injected by the input duct of impregnating vessel,
It is submerged in coil in paint solution completely, and keeps 20-30min, close vacuum pumping valve, and open intake valve, make to lead in impregnating vessel
Enter ventilation, air pressure made to restore normal barometric pressure state, after keeping 1-5min, intake valve is closed, impregnating vessel is made to be in sealing state,
Equalizer valve is opened, the pressure in impregnating vessel is made to reach 0.5-0.6MPa, and 20min or more is maintained, first liquid outlet pipe is opened,
Paint solution is discharged by pressure, pressure release is carried out opening relief valve, makes the pressure recovery in impregnating vessel, impregnating vessel is opened, by line
Circle takes out and hangs in the sky, and dries in the air 4 hours, then coil is put into drying oven, and temperature in furnace is first made to be maintained at 50-70 °
C, then coil is put into, and keep 5-10min, then the temperature in furnace is proposed temperature in furnace with 15-25 °C of speed hourly
Height arrives at a temperature of 80-100 °C, is kept for 5-7 hour, and with the 10min that divulges information per hour, then temperature is promoted to 140-160 °
C is kept for 4-6 hour, and the 10-15min that divulges information per hour, is finally cooled down with 20-30 °C per hour of speed, is worked as coil
It is taken out after being cooled to 50-70 °C；
C, coil is mounted on iron core by outer layer protection, and using epoxy mica tape as protective layer, and is entered using traditional
Hot moulding process, is fixed on mica layer firmly on iron core coil.
2. a kind of paint-dipping process of electromagnet coil according to claim 1, it is characterised in that: the hot pressing in the step c
Temperature in the process of film carries out 180 DEG C~200 DEG C hot-die after being is cured.
3. a kind of paint-dipping process of electromagnet coil according to claim 1, it is characterised in that: it is taken out in a step
Vacuum makes the air pressure in furnace be less than -0.1MPa.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102749.1A CN109192502A (en) | 2018-09-20 | 2018-09-20 | A kind of paint-dipping process of electromagnet coil |
| PCT/CN2018/107172 WO2020056786A1 (en) | 2018-09-20 | 2018-09-23 | Varnishing process for electromagnet coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811102749.1A CN109192502A (en) | 2018-09-20 | 2018-09-20 | A kind of paint-dipping process of electromagnet coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109192502A true CN109192502A (en) | 2019-01-11 |
Family
ID=64909167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811102749.1A Withdrawn CN109192502A (en) | 2018-09-20 | 2018-09-20 | A kind of paint-dipping process of electromagnet coil |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109192502A (en) |
| WO (1) | WO2020056786A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571047A (en) * | 2019-09-05 | 2019-12-13 | 合肥盛宝电气有限公司 | Immersion drying process for oil immersed transformer winding |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442364Y (en) * | 2000-09-14 | 2001-08-08 | 上海电机(集团)公司先锋电机厂 | Insulation encapsulated coil |
| CN1420506A (en) * | 2001-11-20 | 2003-05-28 | 上海电器科学研究所 | Vacuum continuous dipping insulation process |
| US20050058772A1 (en) * | 2003-09-12 | 2005-03-17 | Siemens Westinghouse Power Corporation | Patching resins for insulating tapes |
| US20090313812A1 (en) * | 2008-06-24 | 2009-12-24 | Sergey Pulnikov | Method for making electrical windings for electrical apparatus and transformers and winding obtained by said method |
| CN105097272A (en) * | 2015-09-11 | 2015-11-25 | 中变集团上海变压器有限公司 | Vacuum pressure paint-soaking process for dry-type transformer coil |
| CN106601470A (en) * | 2016-12-29 | 2017-04-26 | 上海第机床厂有限公司 | Electromagnetic coil for nuclear reactor control rod driving mechanism and preparation method for electromagnetic coil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101145445A (en) * | 2007-07-27 | 2008-03-19 | 中电电气集团有限公司 | Transformer coil paint-dipping process |
| CN101521111A (en) * | 2008-11-07 | 2009-09-02 | 江苏海田电气股份有限公司 | Novel immersion painting process for transformer coil |
| CN103208361A (en) * | 2013-03-29 | 2013-07-17 | 徐州格利尔科技有限公司 | Transformer vacuum paint-dipping process |
| CN103475174B (en) * | 2013-08-07 | 2015-11-18 | 杭州富阳水电设备检测有限公司 | The manufacture craft of coil of stator of motor is manufactured by vacuum pressure impregnation |
-
2018
- 2018-09-20 CN CN201811102749.1A patent/CN109192502A/en not_active Withdrawn
- 2018-09-23 WO PCT/CN2018/107172 patent/WO2020056786A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442364Y (en) * | 2000-09-14 | 2001-08-08 | 上海电机(集团)公司先锋电机厂 | Insulation encapsulated coil |
| CN1420506A (en) * | 2001-11-20 | 2003-05-28 | 上海电器科学研究所 | Vacuum continuous dipping insulation process |
| US20050058772A1 (en) * | 2003-09-12 | 2005-03-17 | Siemens Westinghouse Power Corporation | Patching resins for insulating tapes |
| US20090313812A1 (en) * | 2008-06-24 | 2009-12-24 | Sergey Pulnikov | Method for making electrical windings for electrical apparatus and transformers and winding obtained by said method |
| CN105097272A (en) * | 2015-09-11 | 2015-11-25 | 中变集团上海变压器有限公司 | Vacuum pressure paint-soaking process for dry-type transformer coil |
| CN106601470A (en) * | 2016-12-29 | 2017-04-26 | 上海第机床厂有限公司 | Electromagnetic coil for nuclear reactor control rod driving mechanism and preparation method for electromagnetic coil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571047A (en) * | 2019-09-05 | 2019-12-13 | 合肥盛宝电气有限公司 | Immersion drying process for oil immersed transformer winding |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020056786A1 (en) | 2020-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103594218B (en) | A kind of preparation method of high superposition low-loss metal powder core | |
| CN105097272B (en) | A kind of dry-type transformer coil vacuum pressure formula paint-dipping process | |
| CN104467322B (en) | A kind of poured with epoxy resin technique of motor stator winding | |
| CN107276342B (en) | Epoxy resin pouring process for motor stator winding | |
| CN109192502A (en) | A kind of paint-dipping process of electromagnet coil | |
| CN105226326A (en) | A kind of method of lithium rechargeable battery battery core quick baking | |
| CN100538930C (en) | Have the iron core of excellent end face insulation and handle end face of iron core to obtain the method for insulating coating | |
| CN105429400A (en) | Vacuum pressure impregnation control system and impregnation process therefor | |
| CN204966272U (en) | Pouring device of dry -type transformer coil | |
| CN101840777A (en) | Paint dipping method for bonding amorphous C type magnetic core by pure resin and special equipment | |
| CN108831740A (en) | A kind of dry-type transformer dipping paint method | |
| CN102483992B (en) | For the manufacture of the method for motor object | |
| US2872344A (en) | Process of | |
| CN109036823A (en) | A kind of transformer vacuum transformation method drying means | |
| CN101398083B (en) | Container and lithium ion battery sealing method | |
| CN104092339A (en) | Method for motor vacuum injection molding operation | |
| CN104607644A (en) | Insulating treatment method for soft magnetic alloy powder core | |
| CN104918344B (en) | A kind of multilamellar induction coil and preparation method thereof | |
| CN110571047A (en) | Immersion drying process for oil immersed transformer winding | |
| CN102543395A (en) | Surge protection reactor and manufacturing method thereof | |
| CN208353642U (en) | A kind of immersion heater | |
| CN102403122A (en) | Coil water-proof treatment process for transformer for railway vehicle | |
| CN205430657U (en) | Wire coil and induction cooker | |
| CN205716206U (en) | Temp auto-controlled blow-off line | |
| CN217342647U (en) | Automatic heating device for degumming process of quartz chip |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190111 |
|
| WW01 | Invention patent application withdrawn after publication |