CN109520127A - Heated air circulation type mutual inductor heating and heat-insulating device - Google Patents

Heated air circulation type mutual inductor heating and heat-insulating device Download PDF

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Publication number
CN109520127A
CN109520127A CN201811385916.8A CN201811385916A CN109520127A CN 109520127 A CN109520127 A CN 109520127A CN 201811385916 A CN201811385916 A CN 201811385916A CN 109520127 A CN109520127 A CN 109520127A
Authority
CN
China
Prior art keywords
outer cover
cover
mutual inductor
heat
fixedly installed
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
Application number
CN201811385916.8A
Other languages
Chinese (zh)
Inventor
张磊
黎大健
张玉波
陈梁远
赵坚
颜海俊
余长厅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Guangxi Power Grid Co Ltd filed Critical Electric Power Research Institute of Guangxi Power Grid Co Ltd
Priority to CN201811385916.8A priority Critical patent/CN109520127A/en
Publication of CN109520127A publication Critical patent/CN109520127A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00Air heaters
    • F24H3/02Air heaters with forced circulation
    • F24H3/04Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0052Details for air heaters
    • F24H9/0057Guiding means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/02Casings; Cover lids; Ornamental panels

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Induction Heating (AREA)

Abstract

The invention discloses a kind of heated air circulation type mutual inductor heating and heat-insulating devices, are related to mutual inductor cable maintenance device field, for SF6Voltage transformer is easy to appear condensation under low-temperature condition to be caused to generate the technical issues of creeping discharge ultimately causes equipment fault inside equipment, using including the first outer cover and the second outer cover, first outer cover and the second outer cover are semicircular arc structure, the first outer cover and the opposite hollow cylinder that can be combined into a receiving mutual inductor of the second housing opening.Wherein hollow cylinder upper and lower ends are both provided with lid, first casing outer wall upper end is fixedly installed backwind tube, first casing outer wall lower end is fixedly installed discharge pipe, heat blowing device is fixedly installed between backwind tube and discharge pipe, first outer cover and the second outer cover form a tubular structure by the way that lock is fixed, then mutual inductor is wrapped in cylinder by when use to be heated.The configuration of the present invention is simple, low in cost, easy to operate, rationally, clever structure is high-efficient, and stability is good for design.

Description

Heated air circulation type mutual inductor heating and heat-insulating device
Technical field
The present invention relates to mutual inductor cable maintenance device field, in particular to a kind of heated air circulation type mutual inductor heating and thermal insulation Device.
Background technique
SF6Voltage transformer is a kind of widely used electrical equipment of power industry, SF6Gas is colourless, it is tasteless, have compared with High electrical strength and excellent arc extinction performance are a kind of fabulous megohmite insulants, compared with oil-immersed current transformer, SF6Gas Immense pressure can be generated when insulated mutual inductor high-energy discharge, but explosion can be effectively controlled by pressure relief device such as explosion rupture disk etc. Bring influence, therefore gas-insulated transformer in power grid using more and more extensive.
SF6Moisture in voltage transformer usually exists with vapor form, under the absolute pressure of 0.4MPa, -10 DEG C Under the conditions of moisture content up to 716 μ L/L when, moisture will condense, moisture when moisture content is up to 1528 μ L/L under the conditions of 0 DEG C It will condense.At lower temperature, vapor reveals in the presence of condensation and is attached to insulating element surface, it is possible to generate edge Face electric discharge.In severe cold area, work as SF6When micro-water content is excessively high inside mutual inductor, there are hydrogenesis, inside generates and puts along face The risk of electricity, this will seriously affect the safe and stable operation of equipment.
Summary of the invention
The present invention provides a kind of heated air circulation type mutual inductor heating and heat-insulating device, to solve SF6Voltage transformer is low Condensation is easy to appear under temperature state to be caused to generate the technical issues of creeping discharge ultimately causes equipment fault inside equipment.
To solve the above problems, the present invention adopts the following technical scheme that realization:
A kind of heated air circulation type mutual inductor heating and heat-insulating device, including the first outer cover and the second outer cover, first outer cover and Two outer covers are semicircular arc structure, the first outer cover and the opposite sky that can be combined into a receiving mutual inductor of the second housing opening Heart cylinder;
First outer cover upper end, which is detachably fixed, is provided with the first outer cover upper cover, and first outer cover lower end, which is detachably fixed, to be set It is equipped with the first outer cover lower cover;
First casing outer wall upper end is fixedly installed backwind tube, and the first casing outer wall lower end is fixedly installed discharge pipe, returns Heat blowing device is fixedly installed between air hose and discharge pipe;
First casing outer wall is additionally provided with the fixed lock of the first outer cover close to opening;
Second outer cover upper end, which is detachably fixed, is provided with the second outer cover upper cover, and second outer cover lower end, which is detachably fixed, to be set It is equipped with the second outer cover lower cover;
Second casing outer wall is additionally provided with the fixed lock of the second outer cover close to opening;
The fixed lock of first outer cover is mutually matched with the fixed lock of the second outer cover.
Preferably, the backwind tube and the discharge pipe pass through the first outer cover so that the cavity of the hollow cylinder with return Air hose is connected with the discharge pipe.
Preferably, the heat blowing device includes Wormwheel fan and graphene heating net, for in entrance pipeline Air carries out heating and air blast.
Preferably, first outer cover and the second outer cover are all made of insulated heat material and are made.
Preferably, the first outer cover upper cover, the first outer cover lower cover, the second outer cover upper cover, the second outer cover lower cover are half Circular ring structure.
In use, the first outer cover and the second outer cover are wrapped in outside mutual inductor, then using the fixed lock of the first outer cover and The fixed snap fit of second outer cover fixes the first outer cover and the second outer cover, then with the first outer cover upper cover, the first outer cover lower cover, the Two outer cover upper covers, the second outer cover lower cover blocks hollow cylinder both ends prevents steam leakage, and then can be powered starting heating drum Wind apparatus makes gas enter and heat from backwind tube, then blows in hollow cylinder from discharge pipe and heats to mutual inductor.
Beneficial effect of the present invention includes: that structure is simple, low in cost, easy to operate, and design is reasonable, clever structure, efficiency Height, stability are good.
Detailed description of the invention
Fig. 1 is embodiment general structure schematic diagram provided by the invention;
Fig. 2 is structural schematic diagram when embodiment provided by the invention does not combine also;
In figure, each label is respectively indicated: the first outer cover 1, the second outer cover 2, the first outer cover upper cover 10, the first outer cover lower cover 11, Under the 15, second outer cover upper cover 20 of the fixed lock of backwind tube 12, heat blowing device 13, discharge pipe 14, the first outer cover, the second outer cover The fixed lock 22 of lid 21, the second outer cover.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with Fig. 1 in the embodiment of the present invention And Fig. 2, 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 selected embodiment of the invention. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all Other embodiments shall fall within the protection scope of the present invention.
A kind of heated air circulation type mutual inductor heating and heat-insulating device, including the first outer cover 1 and the second outer cover 2,1 He of the first outer cover Second outer cover 2 is semicircular arc structure, and the first outer cover 1 and the second outer cover 2 are open can be combined into a receiving mutual inductance relatively The hollow cylinder of device.First outer cover, 1 upper end, which is detachably fixed, is provided with the first outer cover upper cover 10, and 1 lower end of the first outer cover is detachable It is fixedly installed the first outer cover lower cover 11.First outer cover, 1 outer wall upper end is fixedly installed backwind tube 12, under 1 outer wall of the first outer cover End is fixedly installed discharge pipe 14, and heat blowing device 13 is fixedly installed between backwind tube 12 and discharge pipe 14.First outer cover 1 Outer wall is additionally provided with the fixed lock 15 of the first outer cover close to opening.
Second outer cover, 2 upper end, which is detachably fixed, is provided with the second outer cover upper cover 20, and 2 lower end of the second outer cover, which is detachably fixed, to be set It is equipped with the second outer cover lower cover 21.Second outer cover, 2 outer wall is additionally provided with the fixed lock 22 of the second outer cover close to opening;
The fixed lock 15 of first outer cover is mutually matched with the fixed lock 22 of the second outer cover, and lock can borrow the hasp on suitcase Form.
Backwind tube 12 and discharge pipe 14 pass through the first outer cover 1, so that the cavity of hollow cylinder and backwind tube 12 and discharge pipe 14 are connected.In order to improve heating efficiency and air velocity, heat blowing device 13 includes that Wormwheel fan and graphene heat Net, for carrying out heating and air blast to the air entered in pipeline.Cause thermal damage is too big in order to prevent, outside the first outer cover 1 and second Cover 2 is all made of insulated heat material and is made.First outer cover upper cover 10, the first outer cover lower cover 11, outside the second outer cover upper cover 20, second Cover lower cover 21 is semicircle ring structure.
In use, the first outer cover 1 and the second outer cover 2 are wrapped in outside mutual inductor, the fixed lock of the first outer cover is then utilized 15 and second fixed 22 cooperation of lock of outer cover fix the first outer cover 1 and the second outer cover 2, then with the first outer cover upper cover 10, first Outer cover lower cover 11, the second outer cover upper cover 20, the second outer cover lower cover 21 blocks hollow cylinder both ends prevents steam leakage, then may be used To be powered, starting heat blowing device 13 makes gas enter and heat from backwind tube 12, then blows to open circles from discharge pipe 14 Mutual inductor is heated in cylinder.The configuration of the present invention is simple, low in cost, easy to operate, design is reasonable, clever structure, efficiency Height, stability are good.

Claims (5)

1. a kind of heated air circulation type mutual inductor heating and heat-insulating device, which is characterized in that including the first outer cover (1) and the second outer cover (2), first outer cover (1) and the second outer cover (2) are semicircular arc structure, the first outer cover (1) and the second outer cover (2) opening The opposite hollow cylinder that can be combined into a receiving mutual inductor;
First outer cover (1) upper end, which is detachably fixed, is provided with the first outer cover upper cover (10), and the first outer cover (1) lower end can Disassembly is fixedly installed the first outer cover lower cover (11);
First outer cover (1) the outer wall upper end is fixedly installed backwind tube (12), and the first outer cover (1) outer wall lower end is fixedly installed Discharge pipe (14) is fixedly installed heat blowing device (13) between backwind tube (12) and discharge pipe (14);
First outer cover (1) outer wall is additionally provided with the fixed lock (15) of the first outer cover close to opening;
Second outer cover (2) upper end, which is detachably fixed, is provided with the second outer cover upper cover (20), and the second outer cover (2) lower end can Disassembly is fixedly installed the second outer cover lower cover (21);
Second outer cover (2) outer wall is additionally provided with the fixed lock (22) of the second outer cover close to opening;
The fixed lock (15) of first outer cover is mutually matched with the fixed lock (22) of the second outer cover.
2. heated air circulation type mutual inductor heating and heat-insulating device according to claim 1, it is characterised in that:
The backwind tube (12) and the discharge pipe (14) pass through the first outer cover (1) so that the cavity of the hollow cylinder with return Air hose (12) is connected with the discharge pipe (14).
3. heated air circulation type mutual inductor heating and heat-insulating device according to claim 1, it is characterised in that:
The heat blowing device (13) includes Wormwheel fan and graphene heating net, for carrying out to the air entered in pipeline Heating and air blast.
4. heated air circulation type mutual inductor heating and heat-insulating device according to claim 1, it is characterised in that:
First outer cover (1) and the second outer cover (2) are all made of insulated heat material and are made.
5. heated air circulation type mutual inductor heating and heat-insulating device according to claim 1, it is characterised in that:
The first outer cover upper cover (10), the first outer cover lower cover (11), the second outer cover upper cover (20), the second outer cover lower cover (21) are equal For semicircle ring structure.
CN201811385916.8A 2018-11-20 2018-11-20 Heated air circulation type mutual inductor heating and heat-insulating device Pending CN109520127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811385916.8A CN109520127A (en) 2018-11-20 2018-11-20 Heated air circulation type mutual inductor heating and heat-insulating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811385916.8A CN109520127A (en) 2018-11-20 2018-11-20 Heated air circulation type mutual inductor heating and heat-insulating device

Publications (1)

Publication Number Publication Date
CN109520127A true CN109520127A (en) 2019-03-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793196A (en) * 2019-10-30 2020-02-14 广西电网有限责任公司电力科学研究院 Heating device of current transformer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201387806Y (en) * 2009-05-25 2010-01-20 新疆电力公司昌吉电业局 Breathing device for current transformer
CN201690121U (en) * 2010-05-13 2010-12-29 江苏省电力公司镇江供电公司 Terminal box dehydrating and recycling drier
CN202434328U (en) * 2011-12-26 2012-09-12 沈阳华德海泰电器有限公司 Shell structure of current transformer arranged in switch cabinet
CN203233069U (en) * 2013-01-17 2013-10-09 衡阳湘阳特电力工程修试有限公司 Three-in-one control cabinet of transformer meter box, terminal box and control box
CN105845407A (en) * 2015-01-16 2016-08-10 扬州鑫宝电气有限公司 Anti-corrosion current transformer used in high voltage
CN107508153A (en) * 2017-09-20 2017-12-22 孙景玉 A kind of power switch cabinet dehydrating unit
CN209415756U (en) * 2018-11-20 2019-09-20 广西电网有限责任公司电力科学研究院 Hot air type mutual inductor heating and heat-insulating device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201387806Y (en) * 2009-05-25 2010-01-20 新疆电力公司昌吉电业局 Breathing device for current transformer
CN201690121U (en) * 2010-05-13 2010-12-29 江苏省电力公司镇江供电公司 Terminal box dehydrating and recycling drier
CN202434328U (en) * 2011-12-26 2012-09-12 沈阳华德海泰电器有限公司 Shell structure of current transformer arranged in switch cabinet
CN203233069U (en) * 2013-01-17 2013-10-09 衡阳湘阳特电力工程修试有限公司 Three-in-one control cabinet of transformer meter box, terminal box and control box
CN105845407A (en) * 2015-01-16 2016-08-10 扬州鑫宝电气有限公司 Anti-corrosion current transformer used in high voltage
CN107508153A (en) * 2017-09-20 2017-12-22 孙景玉 A kind of power switch cabinet dehydrating unit
CN209415756U (en) * 2018-11-20 2019-09-20 广西电网有限责任公司电力科学研究院 Hot air type mutual inductor heating and heat-insulating device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110793196A (en) * 2019-10-30 2020-02-14 广西电网有限责任公司电力科学研究院 Heating device of current transformer

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Application publication date: 20190326

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