CN108770105A - Mutual inductor heating device - Google Patents
Mutual inductor heating device Download PDFInfo
- Publication number
- CN108770105A CN108770105A CN201810549780.3A CN201810549780A CN108770105A CN 108770105 A CN108770105 A CN 108770105A CN 201810549780 A CN201810549780 A CN 201810549780A CN 108770105 A CN108770105 A CN 108770105A
- Authority
- CN
- China
- Prior art keywords
- mutual inductor
- heating device
- variable
- power sources
- frequency power
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/44—Coil arrangements having more than one coil or coil segment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/02—Induction heating
- H05B2206/022—Special supports for the induction coils
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- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a kind of mutual inductor heating devices, it is related to mutual inductor dehumidifying apparatus field, for existing equipment bulky complex, power supply capacity is big, and power consumption is more, the live preparation time is long, the more difficult technical problem of construction, uses shell for cylindrical empty cavity configuration, coil brace is fixedly installed in shell, diffraction has multiple induction windings, the mode of the variable-frequency power sources and the induction winding electrical connection on coil brace.In use, current transformer is put into housing hollow, variable-frequency power sources is then connected, variable-frequency power sources generates medium-high frequency magnetic field on induction winding, and current transformer metal shell, pedestal is caused to generate eddy-current heating, to realize the purpose of heating dehumidifying.The configuration of the present invention is simple, of low cost, easy to operate, efficient, stability is good, convenient for assembling and maintenance, has extensive promotion prospect.
Description
Technical field
The present invention relates to mutual inductor dehumidifying apparatus field, more particularly to a kind of mutual inductor heating device.
Background technology
Current transformer is common power equipment in electric system, when current transformer is due to poor sealing, leads to it
Inner inlet may result in the decline of current transformer integral insulation intensity, therefore just need when current transformer makes moist by the time of tide
Heating is carried out to it and drive tide.It is more to the method for current transformer heating, such as hot-oil circulation, hot air circulation, eddy heating for heating, coal
Oil vapour etc., when selection, can be with adaptation to local conditions, with its chief.But these methods seem that equipment is stupid for handling current transformer just
Repetition is miscellaneous, and power supply capacity is big, and power consumption is more, and the live preparation time is long, and construction is more difficult.
Invention content
The present invention provides a kind of mutual inductor heating device, and to solve existing equipment bulky complex, power supply capacity is big, power consumption
More, the live preparation time is long, the more difficult technical problem of construction.
To solve the above problems, the present invention adopts the following technical scheme that realization：
A kind of mutual inductor heating device, including shell, coil brace, induction winding and variable-frequency power sources；
The shell is cylindrical empty cavity configuration, is fixedly installed coil brace in shell, diffraction has multiple senses on coil brace
Answer winding；
The variable-frequency power sources is electrically connected with the induction winding.
In use, current transformer is put into housing hollow, variable-frequency power sources is then connected, variable-frequency power sources is in induction winding
Upper generation medium-high frequency magnetic field causes current transformer metal shell, pedestal to generate eddy-current heating, to realize the mesh of heating dehumidifying
's.
Preferably, the coil brace is loop configuration.
Current transformer can be put into its center ring by loop configuration so that mutual inductor apart from equal, adds with induction winding
It is hot uniform.
Preferably, it is further fixedly arranged on infrared camera in the shell, infrared camera is electrically connected with exterior display screen.
Infrared camera is installed, facilitates and heating object is observed during heating, to verify heating effect.
Preferably, the variable-frequency power sources can export three-phase mid-frequency or high frequency electric source.
Preferably, the three-phase phase difference of the three-phase mid-frequency or high frequency electric source is 120 °.
Preferably, the induction winding is three-phase structure, and using star-like connection, each winding also draws winding joint,
The winding joint is electrically connected with the variable-frequency power sources.
Preferably, each phase of the induction winding is equipped with 4 concatenated structures of coil, and 4 coils are uniformly distributed online
On coil support.
Preferably, the variable-frequency power sources realizes frequency control using space vector pulse width modulation.
Beneficial effects of the present invention include：
Simple in structure, of low cost, easy to operate, efficient, stability is good, convenient for assembling and maintenance, has extensive promote
Foreground.
Description of the drawings
Fig. 1 is embodiment general structure schematic diagram provided by the invention；
Fig. 2 is the structural schematic diagram of embodiment center line coil support provided by the invention and induction winding；
Fig. 3 is the structural schematic diagram that winding is incuded in embodiment provided by the invention.
In figure, each label indicates respectively：Including shell 1, coil brace 10, induction winding 11, winding joint 12.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Fig. 1-3, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.The embodiment of the present invention being usually described and illustrated herein in the accompanying drawings
Detailed description be not intended to limit the range of claimed invention, but be merely representative of the present invention selected embodiment.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, a kind of mutual inductor heating device, including shell 1, coil brace 10, induction winding 11 and change
Frequency power.Shell 1 is cylindrical empty cavity configuration, is fixedly installed coil brace 10 in shell 1, there is more diffraction on coil brace 10
A induction winding 11.Variable-frequency power sources is electrically connected with induction winding 11.Wherein, coil brace 10 is loop configuration；In shell 1 also
It is fixedly installed infrared camera, infrared camera is electrically connected with exterior display screen；Variable-frequency power sources can export three-phase mid-frequency or
High frequency electric source；The three-phase phase difference of three-phase mid-frequency or high frequency electric source is 120 °；Induction winding 11 is three-phase structure, is connected using star
It connects, each winding also draws winding joint 12, which is electrically connected with variable-frequency power sources；Incude each phase of winding 11
Equipped with 4 concatenated structures of coil, 4 coils are evenly distributed on coil brace 10；Variable-frequency power sources uses space vector pulse width
Frequency control is realized in modulation.
The current transformer 2 that will make moist is placed in mutual inductor heating device, and three-phase mid-frequency or high frequency are passed through in induction winding 11
After alternating current, the induced current of same frequency will be formed in the metal surface for the current transformer 1 that makes moist, when induced current increases to
After certain Chengdu, it will be able to play the effect of heating, drying.Current transformer heating device is the method using electromagnetic induction
Make to generate electric current inside the metal parts by current transformer, the energy by these vortex reaches heating purpose.Electric current is mutual
Infrared camera is installed inside sensor heating device, facilitates and heating object is observed during heating, to verify heating
Effect.Above-mentioned coil is air core coil without cored, ensures that alternating magnetic field can fully wrap up entire current transformer heating
Device inner space.
The configuration of the present invention is simple, of low cost, easy to operate, efficient, stability is good, convenient for assembling and maintenance, has
Extensive promotion prospect.
Claims (8)
1. a kind of mutual inductor heating device, which is characterized in that including shell（1）, coil brace（10）, induction winding（11）And
Variable-frequency power sources；
The shell（1）For cylindrical empty cavity configuration, shell（1）Inside it is fixedly installed coil brace（10）, coil brace（10）
Upper diffraction has multiple induction windings（11）；
The variable-frequency power sources and the induction winding（11）Electrical connection.
2. mutual inductor heating device according to claim 1, it is characterised in that：
The coil brace（10）For loop configuration.
3. mutual inductor heating device according to claim 1, it is characterised in that：
The shell（1）It is inside further fixedly arranged on infrared camera, infrared camera is electrically connected with exterior display screen.
4. mutual inductor heating device according to claim 1, it is characterised in that：
The variable-frequency power sources can export three-phase mid-frequency or high frequency electric source.
5. mutual inductor heating device according to claim 4, it is characterised in that：
The three-phase phase difference of the three-phase mid-frequency or high frequency electric source is 120 °.
6. mutual inductor heating device according to claim 1, it is characterised in that：
The induction winding（11）For three-phase structure, using star-like connection, each winding also draws winding joint（12）, should be around
Group connector is electrically connected with the variable-frequency power sources.
7. mutual inductor heating device according to claim 6, it is characterised in that：
The induction winding（11）Each phase be equipped with 4 concatenated structures of coil, 4 coils are evenly distributed on coil brace
（10）On.
8. mutual inductor heating device according to claim 1, it is characterised in that：
The variable-frequency power sources realizes frequency control using space vector pulse width modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549780.3A CN108770105A (en) | 2018-05-31 | 2018-05-31 | Mutual inductor heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549780.3A CN108770105A (en) | 2018-05-31 | 2018-05-31 | Mutual inductor heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108770105A true CN108770105A (en) | 2018-11-06 |
Family
ID=64001349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549780.3A Pending CN108770105A (en) | 2018-05-31 | 2018-05-31 | Mutual inductor heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108770105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267802A1 (en) * | 2021-06-24 | 2022-12-29 | 华能伊敏煤电有限责任公司 | Drying device and method for insulation damping treatment of large ampere-turns current transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202200504U (en) * | 2011-08-18 | 2012-04-25 | 上海交通大学 | External combined induction coil |
| CN102484907A (en) * | 2010-01-20 | 2012-05-30 | 松下电器产业株式会社 | Induction heating apparatus |
| CN102753736A (en) * | 2009-10-21 | 2012-10-24 | 赛亚特股份有限公司 | Device for obtaining a multicrystalline semiconductor material, in particular silicon, and method for controlling the temperature therein |
| CN206251376U (en) * | 2016-11-29 | 2017-06-13 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic cooking appliance |
| CN107818866A (en) * | 2017-12-06 | 2018-03-20 | 国网重庆市电力公司电力科学研究院 | Mutual inductor secondary connection panel damp-eliminating apparatus |
| CN208424836U (en) * | 2018-05-31 | 2019-01-22 | 广西电网有限责任公司电力科学研究院 | Mutual inductor heating device |
-
2018
- 2018-05-31 CN CN201810549780.3A patent/CN108770105A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753736A (en) * | 2009-10-21 | 2012-10-24 | 赛亚特股份有限公司 | Device for obtaining a multicrystalline semiconductor material, in particular silicon, and method for controlling the temperature therein |
| CN102484907A (en) * | 2010-01-20 | 2012-05-30 | 松下电器产业株式会社 | Induction heating apparatus |
| CN202200504U (en) * | 2011-08-18 | 2012-04-25 | 上海交通大学 | External combined induction coil |
| CN206251376U (en) * | 2016-11-29 | 2017-06-13 | 佛山市顺德区美的电热电器制造有限公司 | Coil panel and electromagnetic cooking appliance |
| CN107818866A (en) * | 2017-12-06 | 2018-03-20 | 国网重庆市电力公司电力科学研究院 | Mutual inductor secondary connection panel damp-eliminating apparatus |
| CN208424836U (en) * | 2018-05-31 | 2019-01-22 | 广西电网有限责任公司电力科学研究院 | Mutual inductor heating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022267802A1 (en) * | 2021-06-24 | 2022-12-29 | 华能伊敏煤电有限责任公司 | Drying device and method for insulation damping treatment of large ampere-turns current transformer |
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