CN107424738A - A kind of cooling air duct construction for dry transformer - Google Patents
A kind of cooling air duct construction for dry transformer Download PDFInfo
- Publication number
- CN107424738A CN107424738A CN201710671544.4A CN201710671544A CN107424738A CN 107424738 A CN107424738 A CN 107424738A CN 201710671544 A CN201710671544 A CN 201710671544A CN 107424738 A CN107424738 A CN 107424738A
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- Prior art keywords
- cooling
- tube
- cooling air
- air
- transformer
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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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a kind of cooling air duct construction for dry transformer, including firm banking, the upper surface of firm banking is inlaid with transformer-cabinet, two side bottoms of transformer-cabinet, which are dug, manhole, temporarily there is cooling blower below manhole, the air outlet cover of cooling blower is connected to cooling air channel, cooling air channel, which is worn, to be connected on inside transformer-cabinet, and the air outlets of cooling air channel of both sides be mounted on aspiration pump, aspiration pump is fixed on the shell upper top surface of transformer-cabinet, and the gas outlet of aspiration pump is connected with backflow cooling tube, the end of backflow cooling tube is connected to the coolant inlet of cooling blower by triple valve；Cooling air channel includes wind channel tube, and the air inlet of wind channel tube is provided with split-wind plate, and the exit of wind conduit is inlaid with screen pack.The present invention realizes that cold air shunts with hot-air, improves cooling effect, recycles and saves the energy, reduces pollution.
Description
Technical field
The present invention relates to transformer equipment field, specially a kind of cooling air duct construction for dry transformer.
Background technology
Transformer is to convert alternating voltage, electric current and the device of impedance, when being connected with alternating current in primary coil, iron core
Exchange flux is just produced in (or magnetic core), makes to induce voltage (or electric current) in secondary coil.Transformer is by iron core (or magnetic core)
Formed with coil, coil has two or more windings, wherein connect the winding of power supply primary coil, remaining winding
Secondary coil.In generator, either coil movement by magnetic field or Movement in Magnetic Field by fixed coil, can be in coil
Induced potential, this two kinds of situations, the value of magnetic flux is constant, but has variation with the magnetic flux quantity of coil intersecting chain, and this is mutual inductance
The principle answered.Transformer be exactly it is a kind of utilize undesirable mutual electromagnetic inductance effect, voltage of transformation, the device of electric current and impedance.
Dry-type transformer just refers to that the transformer that iron core and winding are not immersed in insulating oil is big, is widely used in local photograph
The place such as bright, skyscraper, airport, harbour CNC plant equipment, there is safety, fire prevention is pollution-free, can directly run on load
The features such as center.But dare to invite transformer because in use, transformer coil will release largely because electric current is excessive
If heat can not in time radiate and can have a strong impact on and transformer performance or even cause danger；Deposit in existing transformer Cooling air channel
In problems with：
(1) cooling air duct construction is excessively simple, and cold air circulation is limited, and hot-air can not discharge in time, it is impossible to very well
Ground reaches preferable radiating effect；
(2) waste gas after cooling down largely is expelled directly out, and the utilization not only for energy is insufficient, and also air can be caused
Pollution.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of cooling air duct construction for dry transformer, realizes
Cold air shunts with hot-air, improves cooling effect, recycles and saves the energy, reduces pollution.
The technical solution adopted for the present invention to solve the technical problems is：A kind of cooling air duct construction for dry transformer, bag
Firm banking is included, the upper surface center of the firm banking, which is dug, fixed groove, and transformer-cabinet is inlaid with groove, described
Two side bottoms of transformer-cabinet, which are dug, manhole, temporarily has cooling blower, the bottom of the cooling blower below manhole
Seat is arranged on firm banking both sides by fixed screw, and the air outlet cover of cooling blower is connected to cooling air channel, the cooling air channel
Wear and be connected on inside transformer-cabinet, and the air outlets of cooling air channel of both sides be mounted on aspiration pump, the aspiration pump is fixed
In the shell upper top surface of transformer-cabinet, and the gas outlet of aspiration pump is connected with backflow cooling tube, the backflow cooling tube
End the coolant inlet of cooling blower is connected to by triple valve；The cooling air channel includes wind channel tube, the air channel
The air inlet of pipe is provided with split-wind plate, and the exit of wind conduit is inlaid with screen pack.
As a kind of technical scheme for having choosing of the present invention, the cooling blower includes coolant storage box, the coolant
The liquid outlet of storage box is connected to compressor by sealed tube, and the compressor is fixed on the center of cooling blower shell,
The delivery outlet of compressor is connected with condensation chamber.
As a kind of technical scheme for having choosing of the present invention, the condensation chamber uses heat-insulated material for Semi-seal device, inwall
Material is made, and condenser fan is provided with gas outlet, and the rotating shaft of the condenser fan is plugged on side inside wall, wind by mounting flange
Flabellum face gas outlet is fanned, gas outlet is socketed into integral structure by the air inlet of sealed plasthetic pipe sleeve and cooling air channel 4.
As a kind of technical scheme for having choosing of the present invention, the front view of the wind channel tube is L-shaped, and two side walls are along transformer
Wall box extends, the wind conduit skew symmetry at both ends, and it is consistent with transformer-cabinet that combination forms square frame-shaped structure, and wind channel tube
Including inner and outer tubes.
As a kind of technical scheme for having choosing of the present invention, the outer tube is adopted with inner tube to be made from an insulative material, outer tube and
The air inlet of cooling blower is connected, and the air outlet of inner tube is connected with the air inlet of aspiration pump, the air outlet of outer tube and entering for inner tube
Air port is connected.
As a kind of technical scheme for having choosing of the present invention, the backflow cooling tube is made of stainless steel, and pipe main body is
Cylinder straight tube structure, afterbody and the triple valve junction of the cooling tube that flows back are designed to U-tube.
As a kind of technical scheme for having choosing of the present invention, the split-wind plate includes fixed frame, the internal diameter of the fixed frame and
The port outside diameter of cooling air channel matches, and fixed frame is nested inside with split-wind plate body, outside the external diameter and inner tube of the split-wind plate body
Footpath matches, and surface is streamlined globoidal structure, and cambered surface groove is vertically welded with baffle plate.
As a kind of technical scheme for having choosing of the present invention, the air outlet that the filter network card is connected on inner tube goes out, and screen pack
Fixed frame both sides be welded with semicircle retainer ring, hook is welded with corresponding to hook on inner tube wall.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention increases coolant locker room in cooling blower, utilizes pressure by setting cooling blower and aspiration pump
Contracting machine and condensation chamber produce cold air, and cooling air is blown into cooling air channel using condenser fan, the conveying of cold air is realized, takes out
Air pump then effectively extracts hot-air out, so as to effectively accelerate the circulation flow rate of air, improves cooling effectiveness；
(2) wind channel tube is designed to the nested form of interior extension and outer tube, effectively realized by the present invention by setting cooling air channel
The shunting of cold air and hot-air, extend air circulation, give full play to cooling effect, in time send out hot-air, improve cold
But effect；
(3) present invention, by triple valve Recycling of waste liquid, is avoided directly by setting backflow cooling tube that waste liquid is condensed into loopback
Cut-in without ball is polluted, and recovered liquid purity is improved by filter screen filtration, and screen pack can conveniently take out cleaning, prevent pipe
Road blocks.
Brief description of the drawings
Fig. 1 is structured flowchart of the present invention；
Fig. 2 is side structure schematic diagram of the present invention；
Fig. 3 is split-wind plate schematic diagram.
In figure：1- firm bankings；2- transformer-cabinets；3- cooling blowers；4- cooling air channels；5- aspiration pumps；6- returned colds
But manage；7- triple valves；8- wind channel tubes；9- split-wind plates；10- screen packs.
301- coolant storage boxes；302- compressors；303- condensation chambers；304- condenser fans.
801- inner tubes；802- outer tubes.
901- fixed frames；902- split-wind plate bodies.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., only it is direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As depicted in figs. 1 and 2, the invention provides a kind of cooling air duct construction for dry transformer, including firm banking 1,
The upper surface center of the firm banking 1, which is dug, fixed groove, and transformer-cabinet 2, the transformer tank are inlaid with groove
Two side bottoms of body 2, which are dug, manhole, temporarily has cooling blower 3 below manhole；The firm banking 1 and transformer tank
Body 2, which is adopted, to be made from an insulative material, and has good insulating properties, and cutting has threaded mounting hole, Ke Yifang on firm banking 1
Just mounted and dismounted；
The base of the cooling blower 3 is arranged on the both sides of firm banking 1, the air outlet of cooling blower 3 by fixed screw
Be socketed with cooling air channel 4, the cooling air channel 4, which is worn, to be connected on inside transformer-cabinet 2, and both sides cooling air channel 4 air-out
Mouth is mounted on aspiration pump 5, the aspiration pump 5 is fixed on the shell upper top surface of transformer-cabinet 2, and aspiration pump 5 goes out
Gas port is connected with backflow cooling tube 6, and the end of the backflow cooling tube 6 is connected to the coolant of cooling blower 3 by triple valve 7
Inlet；The cooling air channel 4 includes wind channel tube 8, and the air inlet of the wind channel tube 8 is provided with split-wind plate 9, and wind conduit 8 goes out
Screen pack 10 is inlaid with mouthful；Cooling blower 3 is used to produce cooling air, and is transmitted by cooling air channel 4 to transformer tank
Inside body 2, the cooling down operation realized to inside transformer is circulated by cold air, the aspiration pump 5 is used for after circulation
Caused hot-air is extracted out, and cylinder backflow cooling tube 6 is cooled down so that the coolant of residual is again introduced into cooling blower 3
Portion, realization recycle；
Further illustrate, the cooling blower 3 includes coolant storage box 301, the coolant storage box 301
Liquid outlet is connected to compressor 302 by sealed tube, and the compressor 302 is fixed on the center of cooling blower shell, pressure
The delivery outlet of contracting machine 302 is connected with condensation chamber 303；The condensation chamber 303 uses heat-barrier material system for Semi-seal device, inwall
Into, condenser fan 304 is installed at gas outlet, the rotating shaft of the condenser fan 304 is plugged on side inside wall by mounting flange,
Electric fan face gas outlet, gas outlet are socketed into integral structure by the air inlet of sealed plasthetic pipe sleeve and cooling air channel 4；
The internal memory of coolant storage box 301 contains cooling agent, and cooling agent is therefrom drawn through compression pressurization by compressor 302 will cooling
Agent is pressed into condensation chamber 303, and the coolant compressed vaporizes after carrying out condensation chamber 303, the rotating shaft end connection of the condenser fan 304
There is motor, drive electric fan to rotate by motor, and then cold air is taken out of inside blower fan 3, be fed through cooling
In air channel 4；
Preferably, the front view of the wind channel tube 8 is L-shaped, side wall extension of two side walls along transformer-cabinet 2, and two
The skew symmetry of wind conduit 8 at end, it is consistent with transformer-cabinet 2 that combination forms square frame-shaped structure, and wind channel tube 8 includes inner tube 801
With outer tube 802；The outer tube 802 is adopted with inner tube 801 to be made from an insulative material, the air inlet phase of outer tube 802 and cooling blower 3
Even, the air outlet of inner tube 801 is connected with the air inlet of aspiration pump 5, and the air outlet of outer tube 802 is connected with the air inlet of inner tube 801；
The outer tube 802 is connected with cooling blower 3, for cold air to be introduced inside transformer-cabinet 2, the cold sky after the circle of circulation one
Gas brings heat into inner tube 801, extracts casing out eventually through aspiration pump 5, using double air channel structures, increases in same length
The air flow time and realize air isolate, improve cooling effect；
Preferably, the backflow cooling tube 6 is made of stainless steel, and pipe main body is cylinder straight tube structure, returned cold
But the afterbody of pipe 6 is designed to U-tube with the junction of triple valve 7；By bottom design into U-tube, condensation effect can be strengthened, be easy to
Air condenses；
As shown in figure 3, the split-wind plate 9 includes fixed frame 901, the internal diameter of the fixed frame 901 and the end of cooling air channel 4
Mouthful external diameter matches, and fixed frame 901 is nested inside with split-wind plate body 902, the external diameter of the split-wind plate body 902 with outside inner tube 801
Footpath matches, and surface is streamlined globoidal structure, and cambered surface groove is vertically welded with baffle plate；The fixed frame 901 of the split-wind plate 9
Disassembly and installation can be easily carried out, the surface of the split-wind plate body 902 is designed to streamlined cambered surface, can be to the full extent
The resistance of reduction air flow, and the vertical baffle designed, can be that air flows to both sides, so as to ensure cold air from outer tube
802 enter, and improve efficiency of transmission；
The air outlet that the screen pack 10 is connected to inner tube 801 goes out, and the fixed frame both sides of screen pack 10 are welded with semicircle
Shape retainer ring, hook is welded with the inwall of inner tube 801 corresponding to hook；The screen pack 10 is used to filter out dust impurity, and mistake
Filter screen 10 is connected to the air outlet of inner tube 801 by hook, can be easily removed carry out clean operation at any time, prevent air outlet from blocking up
Fill in impact effect.
In summary, the main characteristic of the invention lies in that：
(1) present invention increases coolant locker room in cooling blower, utilizes pressure by setting cooling blower and aspiration pump
Contracting machine and condensation chamber produce cold air, and cooling air is blown into cooling air channel using condenser fan, the conveying of cold air is realized, takes out
Air pump then effectively extracts hot-air out, so as to effectively accelerate the circulation flow rate of air, improves cooling effectiveness；
(2) wind channel tube is designed to the nested form of interior extension and outer tube, effectively realized by the present invention by setting cooling air channel
The shunting of cold air and hot-air, extend air circulation, give full play to cooling effect, in time send out hot-air, improve cold
But effect；
(3) present invention, by triple valve Recycling of waste liquid, is avoided directly by setting backflow cooling tube that waste liquid is condensed into loopback
Cut-in without ball is polluted, and recovered liquid purity is improved by filter screen filtration, and screen pack can conveniently take out cleaning, prevent pipe
Road blocks.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (8)
- A kind of 1. cooling air duct construction for dry transformer, it is characterised in that：Including firm banking (1), the firm banking (1) Upper surface center, which is dug, fixed groove, and transformer-cabinet (2), the both sides bottom of the transformer-cabinet (2) are inlaid with groove Portion, which is dug, manhole, temporarily there is cooling blower (3) below manhole, and the base of the cooling blower (3) passes through fixed spiral shell Silk is arranged on firm banking (1) both sides, and the air outlet cover of cooling blower (3) is connected to cooling air channel (4), the cooling air channel (4) Wear and be connected on that transformer-cabinet (2) is internal, and the air outlets of cooling air channel (4) of both sides be mounted on aspiration pump (5), it is described to take out Air pump (5) is fixed on the shell upper top surface of transformer-cabinet (2), and the gas outlet of aspiration pump (5) is connected with backflow cooling Manage (6), the end of the backflow cooling tube (6) is connected to the coolant inlet of cooling blower (3) by triple valve (7)；Institute Stating cooling air channel (4) includes wind channel tube (8), and the air inlet of the wind channel tube (8) is provided with split-wind plate (9), and wind conduit (8) go out Screen pack (10) is inlaid with mouthful.
- A kind of 2. cooling air duct construction for dry transformer according to claim 1, it is characterised in that：The cooling blower (3) coolant storage box (301) is included, the liquid outlet of the coolant storage box (301) is connected to compressor by sealed tube (302), the compressor (302) is fixed on the center of cooling blower shell, and the delivery outlet of compressor (302) is connected with cold Solidifying room (303).
- A kind of 3. cooling air duct construction for dry transformer according to claim 2, it is characterised in that：The condensation chamber (303) be made for Semi-seal device, inwall of heat-barrier material, is provided with condenser fan (304), the condensation at gas outlet The rotating shaft of fan (304) is plugged on side inside wall, electric fan face gas outlet by mounting flange, and gas outlet is moulded by sealing The air inlet of glue pipe socket and cooling air channel 4 is socketed into integral structure.
- A kind of 4. cooling air duct construction for dry transformer according to claim 1, it is characterised in that：The wind channel tube (8) Front view it is L-shaped, two side walls along transformer-cabinet (2) side wall extension, wind conduit (8) skew symmetry at both ends, combine shape It is consistent with transformer-cabinet (2) into square frame-shaped structure, and wind channel tube (8) includes inner tube (801) and outer tube (802).
- A kind of 5. cooling air duct construction for dry transformer according to claim 4, it is characterised in that：The outer tube (802) Adopt and be made from an insulative material with inner tube (801), outer tube (802) is connected with the air inlet of cooling blower (3), inner tube (801) Air outlet is connected with the air inlet of aspiration pump (5), and the air outlet of outer tube (802) is connected with the air inlet of inner tube (801).
- A kind of 6. cooling air duct construction for dry transformer according to claim 1, it is characterised in that：The backflow cooling tube (6) it is made of stainless steel, pipe main body is cylinder straight tube structure, afterbody and triple valve (7) junction of backflow cooling tube (6) It is designed to U-tube.
- A kind of 7. cooling air duct construction for dry transformer according to claim 6, it is characterised in that：The split-wind plate (9) Including fixed frame (901), the internal diameter of the fixed frame (901) matches with the port outside diameter of cooling air channel (4), fixed frame (901) it is nested inside with split-wind plate body (902), the external diameter of the split-wind plate body (902) matches with inner tube (801) external diameter, table Face is streamlined globoidal structure, and cambered surface groove is vertically welded with baffle plate.
- A kind of 8. cooling air duct construction for dry transformer according to claim 1, it is characterised in that：The screen pack (10) The air outlet for being connected to inner tube (801) goes out, and the fixed frame both sides of screen pack (10) are welded with semicircle retainer ring, and hook is corresponding Inner tube (801) inwall on be welded with hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671544.4A CN107424738B (en) | 2017-08-08 | 2017-08-08 | A kind of cooling air duct construction for dry transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671544.4A CN107424738B (en) | 2017-08-08 | 2017-08-08 | A kind of cooling air duct construction for dry transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107424738A true CN107424738A (en) | 2017-12-01 |
| CN107424738B CN107424738B (en) | 2018-10-30 |
Family
ID=60436850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671544.4A Active CN107424738B (en) | 2017-08-08 | 2017-08-08 | A kind of cooling air duct construction for dry transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN107424738B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281251A (en) * | 2018-01-24 | 2018-07-13 | 江苏东晔电气设备有限公司 | A kind of transformer cooling system for capableing of resource reutilization |
| CN112382468A (en) * | 2020-11-04 | 2021-02-19 | 广东电网有限责任公司 | Air online cooling device and cooling method for large-current transformer |
| CN114601324A (en) * | 2020-12-07 | 2022-06-10 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
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| JPS60246609A (en) * | 1984-05-22 | 1985-12-06 | Fuji Electric Co Ltd | Gas insulated stationary induction electric appratus |
| JPH03129711A (en) * | 1989-09-27 | 1991-06-03 | Toshiba Corp | Gas-insulated transformer |
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| US20150123756A1 (en) * | 2012-05-17 | 2015-05-07 | Elwha Llc | Electrical device with emergency cooling system |
| CN204991357U (en) * | 2015-06-12 | 2016-01-20 | 林锦华 | Energy -saving power transformer heat sink |
| CN105632711A (en) * | 2016-03-07 | 2016-06-01 | 饶丽华 | Special voltage conversion device |
| CN106373745A (en) * | 2016-11-18 | 2017-02-01 | 戴丽芬 | Transformer coil heat dissipation device |
| CN106449063A (en) * | 2016-11-17 | 2017-02-22 | 国网新疆电力公司和田供电公司 | On-load capacity-adjusting transformer good in heat dissipation and convenient to control |
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| JPS60246609A (en) * | 1984-05-22 | 1985-12-06 | Fuji Electric Co Ltd | Gas insulated stationary induction electric appratus |
| JPH03129711A (en) * | 1989-09-27 | 1991-06-03 | Toshiba Corp | Gas-insulated transformer |
| CN1812014A (en) * | 2006-02-24 | 2006-08-02 | 中国科学院电工研究所 | Sleeve type evaporative cooling transformer with oil-tank |
| CN1822258A (en) * | 2006-03-17 | 2006-08-23 | 中国科学院电工研究所 | Spray type evaporation and cooling transformer |
| US20150123756A1 (en) * | 2012-05-17 | 2015-05-07 | Elwha Llc | Electrical device with emergency cooling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281251A (en) * | 2018-01-24 | 2018-07-13 | 江苏东晔电气设备有限公司 | A kind of transformer cooling system for capableing of resource reutilization |
| CN108281251B (en) * | 2018-01-24 | 2019-07-26 | 江苏东晔电气设备有限公司 | A kind of transformer cooling system for capableing of resource reutilization |
| CN112382468A (en) * | 2020-11-04 | 2021-02-19 | 广东电网有限责任公司 | Air online cooling device and cooling method for large-current transformer |
| CN114601324A (en) * | 2020-12-07 | 2022-06-10 | 广东美的厨房电器制造有限公司 | Cooking apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107424738B (en) | 2018-10-30 |
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