CN107017077A - A kind of forced oil-circulation cooled high-power transformer cooler - Google Patents
A kind of forced oil-circulation cooled high-power transformer cooler Download PDFInfo
- Publication number
- CN107017077A CN107017077A CN201710363211.5A CN201710363211A CN107017077A CN 107017077 A CN107017077 A CN 107017077A CN 201710363211 A CN201710363211 A CN 201710363211A CN 107017077 A CN107017077 A CN 107017077A
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- China
- Prior art keywords
- oil
- aluminium
- power transformer
- cooler
- cooling pipe
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- 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.)
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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
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- 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
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention discloses a kind of forced oil-circulation cooled high-power transformer cooler, it is characterised in that the cooler includes air heat exchanger, turnover remittance oil pipe line and master controller；The air heat exchanger rolls finned cooling pipe group, axial flow blower, oil-immersed pump, upper chamber, lower oil chamber, wind collection including aluminium；The axial flow blower is arranged in wind collection；The aluminium is pricked finned cooling pipe group and is arranged on the wind collection of axial flow blower air outlet side；The upper chamber is arranged on the upper end that aluminium pricks finned cooling pipe group, and pricks finned cooling pipe group UNICOM with aluminium；The lower oil chamber is arranged on the lower end that aluminium pricks finned cooling pipe group, and pricks finned cooling pipe group UNICOM with aluminium；The oil-immersed pump is arranged on the bottom of lower oil chamber；The turnover remittance oil pipe line is used for cooler and high-power transformer UNICOM, and forms circulation cooling oil stream；The master controller is used for the work or stopping for controlling axial flow blower and oil-immersed pump.
Description
Technical field
The present invention relates to a kind of cooler, more particularly, to a kind of forced oil-circulation cooled high-power transformer cooler.
Background technology
Casing and blower fan of the general high-efficient hot pipe cooler by heat pipe, with dividing plate are constituted, and fin is arranged at every heat pipe top,
Blower fan and inlet and outlet are arranged at casing top, and lower box has import and export, and its advantage is that stress levels are high, and heat exchanger effectiveness is high, but
Complicated, volume is big, and cost is high, uses and repair inconvenience.Chinese patent discloses a kind of air-cooled cooler（Granted publication
Number：CN201794757U）, it includes the cooling unit installed below wind gathering circle, cooling blower, wind scooper and wind scooper, cooling
Unit is made up of at least level individual layer cooler, and individual layer cooler includes enterprising tracheae and lower inlet duct, enterprising tracheae and lower air inlet
One group of cooling tube connected with them is connected between pipe, the two ends of lower inlet duct are connected to inlet suction port and air outlet adapter；
1-3 dividing plate is respectively equipped with enterprising tracheae and lower inlet duct, enterprising tracheae is staggered with the dividing plate formation in lower inlet duct,
One group of cooling tube is divided into the cooling tube group contacted by upper and lower air inlet pipe by staggered dividing plate.But this cooling
The mechanism of device is complex, cooling it is less efficient.
The content of the invention
Problem to be solved by this invention is, for above-mentioned shortcoming of the prior art, proposes improvement project or replacement
Scheme, especially a kind of improvement for improving cooling effectiveness or alternative.
To solve the above problems, the scheme that the present invention is used is as follows：A kind of forced oil-circulation cooled high-power transformer is cold
But device, it is characterised in that the cooler includes air heat exchanger, turnover and converges oil pipe line and master controller；The air heat
Exchanger rolls finned cooling pipe group, axial flow blower, oil-immersed pump, upper chamber, lower oil chamber, wind collection including aluminium；The axial flow blower
It is arranged in wind collection；The aluminium is pricked finned cooling pipe group and is arranged on the wind collection of axial flow blower air outlet side；On described
Grease chamber is arranged on the upper end that aluminium pricks finned cooling pipe group, and pricks finned cooling pipe group UNICOM with aluminium；The lower oil chamber is arranged on aluminium
The lower end of finned cooling pipe group is pricked, and finned cooling pipe group UNICOM is pricked with aluminium；The oil-immersed pump is arranged on the bottom of lower oil chamber；Institute
Stating turnover remittance oil pipe line is used for cooler and high-power transformer UNICOM, and forms circulation cooling oil stream；The master controller is used
In the work or stopping of control axial flow blower and oil-immersed pump.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the aluminium, which pricks finned cooling pipe group, includes cooling tube and fin；The fin is symmetricly set on the both sides of cooling tube；The aluminium
The air-out of fin and axial flow blower of finned cooling pipe is pricked to horizontally disposed.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the top of the upper chamber is provided with steam vent.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the bottom of the lower oil chamber is provided with outage.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the turnover converges oil pipe line provided with one-way cock；The one-way cock is Electromagnetic Control valve, and by master controller control
System.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the cooling tube and fin that the aluminium pricks finned cooling pipe group are formed in one.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the top of the cooler is provided with hanger；The cooler is surrounded by mounting bracket.
The technique effect of the present invention is as follows：Oil-forced air cooler of the application is forced oil-circulation cooled high-power transformer
Special cooler.The LYF type alopecia areata cooler of our factory's production uses roller sheet formula finned heat exchanger and low noise axial fan, tool
There is the high and low noise of heat exchange efficiency, without permeability and easy to operate, reliable advantage.
Further, the forced oil-circulation cooled high-power transformer cooler according to above-mentioned design, its feature exists
In the aluminium, which rolls, is provided with sealing ring between finned cooling pipe group and chicken airduct.So that the air stream that axial flow blower is produced all is used
In cooling, so as to improve cooling effectiveness.
Structure and working principle：The cooler (air heat exchanger) of the cooler dominant fraction platform independence of the application, enter
Go out to converge oil pipe line and total control box etc. three partly.Cooler is main working parts, and finned cooling pipe group, axle stream are rolled by overall aluminium
Blower fan, oil-immersed pump, upper lower oil chamber, wind collection etc. are constituted.Its operation principle is：The input of oil pipe upper chamber is converged from transformer top originally
The heat medium oil of machine, which enters in cooler fin pipe, transfers heat to motive air（Wind）, the transformer oil remittance fuel tank after cooling
By oil pump pressurization through it is lower remittance oil pipe reenter transformer absorb heat from top converge oil pipe reenter the machine cool down, from this
The oily cooling circuit of composition closure.
Several independent work coolers and standby cooler composition cooler group, each cooler pass through valve and aggregation
Oil pipe is into being connected in parallel.Being gone here and there due to separate unit cooler has check valve, thus when oil pump shut down this cooler i.e. with it is total
Collecting pipe is cut off.
The machine electrical part sets up dual power supply separately and inputs two kinds of wire leading methods with single supply；Button operation controls every oil pump and wind
The startup and stopping of machine；Oil pump operates to the starting conditions of blower fan.Tool dynamic overload failure, oil flow down the sound such as limit, oil pressure be not normal,
Light protection signal, all signals are all provided with focusing on for comprehensive control without electric terminal output.Specific circuit is shown in LYF electrical schematic diagrams.
Brief description of the drawings
Fig. 1 is forced oil-circulation cooled high-power transformer cooler construction schematic diagram.
Fig. 2 is forced oil-circulation cooled high-power transformer cooler side structure schematic view.
Fig. 3 is pipe structure for cooling schematic diagram.
Fig. 4 is the miscellaneous finned cooling pipe group structural representation of donkey.
Wherein, 1 it is air heat exchanger, 2 be master controller, 3 be upper chamber, 4 be lower oil chamber, 5 be oil-immersed pump, 6 is peace
Dress support, 7 be hanger, 8 be axial flow blower, 9 be aluminium prick finned cooling pipe group, 10 be sealing ring, 11 be cooling tube, 12 be wing
Piece.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, the cooler of the application includes air heat exchanger, turnover remittance oil pipe line and master controller；It is described
Air heat exchanger rolls finned cooling pipe group, axial flow blower, oil-immersed pump, upper chamber, lower oil chamber, wind collection including aluminium；The axle
Flow fan is arranged in wind collection；The aluminium is pricked finned cooling pipe group and is arranged on the wind collection of axial flow blower air outlet side；
The upper chamber is arranged on the upper end that aluminium pricks finned cooling pipe group, and pricks finned cooling pipe group UNICOM with aluminium；The lower oil chamber sets
The lower end that finned cooling pipe group is pricked in aluminium is put, and finned cooling pipe group UNICOM is pricked with aluminium；The oil-immersed pump is arranged on lower oil chamber
Bottom；The turnover remittance oil pipe line is used for cooler and high-power transformer UNICOM, and forms circulation cooling oil stream；The master control
Device processed is used for the work or stopping for controlling axial flow blower and oil-immersed pump.It is in transit by cooler body and oil-immersed pump, pipe valve
Separately packaging, is carried out routine examination using the preceding another part of reply.
(1) cooler body：Finned tube is whether damaged, and the oblique side of such as fin is in patting.Fan blade should be rotated flexibly, wind
Electromechanical machine winding insulation should meet standard, and support foot answers non-loosening.Housing should be without damaging, and enamelled coating, which such as comes off, to be repaired.
(2) oil-immersed pump：Carried out routine examination by oil-immersed pump operation instructions.
(3) valve pipe：Valve can not be too wide or too tight；Ball-and-seat answers flexibility and reliability；Oil flow relay is adjusted to down manually
There should be contact action when spacing, install and note oil flow relay direction, surface is perpendicular to the ground；All adpting flange end faces should be clear
It is clean without scar；Gasket seal should be neat without aging phenomenon.
(4) cooler body, oil pump, valve pipe enter transformer oil in exfactory inspection and cleaned repeatedly, close when dispatching from the factory
Package is filled.It should check whether package encapsulation is good, sealing should connect installation immediately after opening, and enters to prevent dust before installation.
2nd, cooler body is sling, and is implemented in twist-on after foot stool on pedestal.
3rd, by the valve of oil pump and the machine oil circuit, converge in oil-piping connection, and oil strain of connecting with oil filter is qualified to oil product
It can be connected with oil tank of transformer.
4th, cooler group installation diagram in this equipment and technology file is refer to be installed.
The 5th, electric master control box, connection power circuit and control circuit are installed, whole electric wires are introduced from bottom portion.Its profile with
Foot mounting hole size is shown in accompanying drawing.
As shown in figure 1, the start and operation of the cooler of the application.
1st, check that electric wiring should be correct.Correct oil pump and blower fan turning.
2nd, each cooler and oil circuit butterfly valve are opened, from bottom injection transformer oil, open top venting plug treats that oil is filled
Close it afterwards.Start oil pump about one minute, pump is carefully turned on top vent plug after static about 1 hour and is exhausted, this exhaust
Process is repeated untill without gas discharge.
3rd, test run, primary part observation can be carried out to every cooler after being vented through oiling：(1) oil pump and fan noise be not
Exceeded, without substantially vibrations, electric current is not less than nameplate parameter and stably.(2) each electric operation and instruction, protection signal is accurately and reliably.
(3) complete machine ne-leakage phenomenon.Properties are shut down after meeting.
4th, no-load transformer is run, and cooler is put into when top-oil temperature is increased to+65 DEG C and controls its number of units to make oil temperature
Stabilization is in the numerical value, the cooler number of units needed for when this runs for no-load transformer.
5th, after checking insulating between transformer and oil and the oily insulation of itself normally after no-load running from small to large gradually
Loaded, put into appropriate cooler number of units according to oil temperature rise to keep oil temperature in requiring numerical value.
6th, shut down：After transformer is stopped, but cooler must be continued to run with 10 minutes（Or make appropriate adjust regarding air themperature
It is whole）After can shut down.
As shown in figure 1, after the cooler operation certain time of the application, repair and maintenance should be carried out.
1st, blower fan：After continuous operation 1 year, cleaning maintenance should be carried out to blower motor bearing.
2nd, finned tube：Debris between pipe group, fin is blown away using compressed air, to keep its cooling effectiveness.Washing the reason cycle regards
Depending on dirt degree.
3rd, oil-immersed pump：Carried out by regulation in oil-immersed pump operation instructions.
4th, pipeline：The reliability of check valve, changes the gasket seal for having aging and Seepage.
5th, should will be oily in the cooler oil-immersed pump not run when environment temperature is reduced to used transformer oil chill point
Release in order to avoid freezing.
Claims (8)
1. a kind of forced oil-circulation cooled high-power transformer cooler, it is characterised in that the cooler includes air heat and handed over
Parallel operation, turnover remittance oil pipe line and master controller；The air heat exchanger rolls finned cooling pipe group, axial flow blower including aluminium, dived
Oil pump, upper chamber, lower oil chamber, wind collection；The axial flow blower is arranged in wind collection；The aluminium is pricked finned cooling pipe group and set
On the wind collection of axial flow blower air outlet side；The upper chamber is arranged on the upper end that aluminium pricks finned cooling pipe group, and and aluminium
Prick finned cooling pipe group UNICOM；The lower oil chamber is arranged on the lower end that aluminium pricks finned cooling pipe group, and pricks finned cooling pipe with aluminium
Group UNICOM；The oil-immersed pump is arranged on the bottom of lower oil chamber；The turnover remittance oil pipe line is used for cooler and high-power transformer
UNICOM, and form circulation cooling oil stream；The master controller is used for the work or stopping for controlling axial flow blower and oil-immersed pump.
2. forced oil-circulation cooled high-power transformer cooler according to claim 1, it is characterised in that the aluminium pricks wing
Piece cooling tube group includes cooling tube and fin；The fin is symmetricly set on the both sides of cooling tube；The aluminium pricks finned cooling pipe
Fin and axial flow blower air-out to horizontally disposed.
3. forced oil-circulation cooled high-power transformer cooler according to claim 1, it is characterised in that the upper chamber
Top be provided with steam vent.
4. forced oil-circulation cooled high-power transformer cooler according to claim 1, it is characterised in that the lower oil chamber
Bottom be provided with outage.
5. forced oil-circulation cooled high-power transformer cooler according to claim 1, it is characterised in that the turnover converges
Oil pipe line is provided with one-way cock；The one-way cock is Electromagnetic Control valve, and by master controller control.
6. forced oil-circulation cooled high-power transformer cooler according to claim 2, it is characterised in that the aluminium pricks wing
The cooling tube and fin of piece cooling tube group are formed in one.
7. forced oil-circulation cooled high-power transformer cooler according to claim 2, it is characterised in that the cooler
Top be provided with hanger；The cooler is surrounded by mounting bracket.
8. forced oil-circulation cooled high-power transformer cooler according to claim 2, it is characterised in that the aluminium rolls wing
Sealing ring is provided between piece cooling tube group and chicken airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363211.5A CN107017077A (en) | 2017-05-22 | 2017-05-22 | A kind of forced oil-circulation cooled high-power transformer cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363211.5A CN107017077A (en) | 2017-05-22 | 2017-05-22 | A kind of forced oil-circulation cooled high-power transformer cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017077A true CN107017077A (en) | 2017-08-04 |
Family
ID=59449858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363211.5A Pending CN107017077A (en) | 2017-05-22 | 2017-05-22 | A kind of forced oil-circulation cooled high-power transformer cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489938A (en) * | 2020-11-04 | 2021-03-12 | 中国南方电网有限责任公司超高压输电公司 | Transformer cooling device bearing structure |
| CN115324986A (en) * | 2022-09-01 | 2022-11-11 | 南通众旺金属制品有限公司 | Hydraulic system for shot blasting machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61139010A (en) * | 1984-12-12 | 1986-06-26 | Toshiba Corp | Air-cooled oil circulation type transformer |
| CN2067887U (en) * | 1990-03-20 | 1990-12-19 | 李雨时 | Cooler with inner rib steel tube and rectangular fins |
| CN2152283Y (en) * | 1993-02-03 | 1994-01-05 | 江阴市电力设备冷却器厂 | Forced oil circulation air cooling device |
| CN2312511Y (en) * | 1997-12-10 | 1999-03-31 | 陈培明 | Aluminium tube used for strong oil wind cooling apparatus for transformer |
| CN201402709Y (en) * | 2009-05-06 | 2010-02-10 | 保定天威集团有限公司 | Large-capacity low-noise transformer air cooler with 500 kW and more capacity |
| CN202585016U (en) * | 2012-04-11 | 2012-12-05 | 温岭市格兰特冷却设备有限公司 | Forced oil air cooling device |
| CN203882212U (en) * | 2014-06-05 | 2014-10-15 | 浙江尔格科技有限公司 | A voltage transformer cooling system controlling apparatus |
| CN105810401A (en) * | 2016-04-27 | 2016-07-27 | 沈阳天通电气有限公司 | High-capacity forced-oil circulation air cooler |
-
2017
- 2017-05-22 CN CN201710363211.5A patent/CN107017077A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61139010A (en) * | 1984-12-12 | 1986-06-26 | Toshiba Corp | Air-cooled oil circulation type transformer |
| CN2067887U (en) * | 1990-03-20 | 1990-12-19 | 李雨时 | Cooler with inner rib steel tube and rectangular fins |
| CN2152283Y (en) * | 1993-02-03 | 1994-01-05 | 江阴市电力设备冷却器厂 | Forced oil circulation air cooling device |
| CN2312511Y (en) * | 1997-12-10 | 1999-03-31 | 陈培明 | Aluminium tube used for strong oil wind cooling apparatus for transformer |
| CN201402709Y (en) * | 2009-05-06 | 2010-02-10 | 保定天威集团有限公司 | Large-capacity low-noise transformer air cooler with 500 kW and more capacity |
| CN202585016U (en) * | 2012-04-11 | 2012-12-05 | 温岭市格兰特冷却设备有限公司 | Forced oil air cooling device |
| CN203882212U (en) * | 2014-06-05 | 2014-10-15 | 浙江尔格科技有限公司 | A voltage transformer cooling system controlling apparatus |
| CN105810401A (en) * | 2016-04-27 | 2016-07-27 | 沈阳天通电气有限公司 | High-capacity forced-oil circulation air cooler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489938A (en) * | 2020-11-04 | 2021-03-12 | 中国南方电网有限责任公司超高压输电公司 | Transformer cooling device bearing structure |
| CN112489938B (en) * | 2020-11-04 | 2024-05-24 | 中国南方电网有限责任公司超高压输电公司 | Transformer cooling device supporting structure |
| CN115324986A (en) * | 2022-09-01 | 2022-11-11 | 南通众旺金属制品有限公司 | Hydraulic system for shot blasting machine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |
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| RJ01 | Rejection of invention patent application after publication |