CN201386626Y - Cooling device for low-temperature wind-driven generator - Google Patents

Cooling device for low-temperature wind-driven generator Download PDF

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Publication number
CN201386626Y
CN201386626Y CN200920148457U CN200920148457U CN201386626Y CN 201386626 Y CN201386626 Y CN 201386626Y CN 200920148457 U CN200920148457 U CN 200920148457U CN 200920148457 U CN200920148457 U CN 200920148457U CN 201386626 Y CN201386626 Y CN 201386626Y
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CN
China
Prior art keywords
water
radiator
temperature
oil
driven generator
Prior art date
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Expired - Lifetime
Application number
CN200920148457U
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Chinese (zh)
Inventor
宁潞林
杨本新
余绍清
汤文兵
欧阳海黎
蒲小刚
冀满忠
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.)
China Shipbuilding Heavy Industry offshore wind power Limited by Share Ltd
Original Assignee
CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd
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Priority to CN200920148457U priority Critical patent/CN201386626Y/en
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Publication of CN201386626Y publication Critical patent/CN201386626Y/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The utility model discloses a cooling device for a low-temperature wind-driven generator. The cooling device is provided with a gearbox; the gearbox is connected with a radiator for reducing temperature of lubricant oil; a water-oil heat exchanger for reducing temperature of anti-freezing liquid is arranged between the radiator and the gearbox; and a water/air cooler is arranged between the water-oil heat exchanger and the radiator. The utility model converts an original way that oil is directly cooled only by cold air into an indirect cooling way by anti-freezing liquid, and can ensure the constant-temperature operation of the gearbox of the low-temperature high-power wind generating set. The restart speed after low-temperature stoppage is high, and the efficiency is high.

Description

The cooling unit of low temperature wind-driven generator
Technical field
The utility model relates to wind power generation field, and specifically, the utility model is a kind of cooling unit of low temperature wind-driven generator.
Background technique
At present, the wind-driven generator wheel-box lubrication system requires can provide lubricant oil to gear-box steadily in the long term under bigger circumstance of temperature difference situation, guarantees the gear-box reliably working.When power during in the following fan design of 850KW, the scheme that adopts " air-fluid " directly to cool off normally.Promptly the lubricant oil of the heat of coming out from gear-box 1 directly enters radiator 2, directly blow on radiator 2 to the lubricant oil cooling with cool air, and then each lubricating point of supply gear case, as shown in Figure 1.
As can be seen from Figure 1, this system is made up of gear-box 1, radiator 2, oil pump device 3, safety valve, temperature control valve block 4, oil pipe etc., and is simple in structure, is easy to install.But when the fan design of high-power (referring to more than the 1.5MW) is made, just do not satisfy the temperature requirement of gear-box 1.Its reason is that the radiating efficiency of air and the exchange of fluid direct heat is not high.In addition, the oil pipe lengthening has increased the resistance of oil circulation system, and also very unfavorable from the oily temperature control of control principle.Start during such as severe cold in the winter time,, cause to start difficulty because fluid is too low through temperature behind the radiator.
In addition owing to will come heat-shift with the intermediate medium that antifreeze liquid is used as between air and the deep fat, and the disadvantageous one side of antifreeze liquid be exactly requirement to sealing configuration than higher, under the normal conditions, a spot of leakage is inevitable.
The model utility content
The claimant utilizes air-hydrothermal exchange efficient to be higher than air-oily heat exchange efficiency principle, has proposed a kind of cooling unit of low temperature wind-driven generator.
In order to realize above-mentioned model utility purpose, the utility model by the following technical solutions:
A kind of cooling unit of low temperature wind-driven generator, be provided with gear-box, this gear-box connects the radiator of promising lubricant oil cooling, is provided with the water-oil heat exchanger with the antifreeze liquid cooling between radiator and gear-box, is provided with water/forced air cooler between water-oil heat exchanger and radiator.
Described antifreeze liquid adopts water-ethylene glycol antifreeze liquid usually.Water-ethylene glycol antifreeze liquid is non-freezing cooling medium under-40 ℃ of low temperature environments.If replace air that heat exchanger is dispelled the heat with pure water, though cost is lower.But run into a problem,, do not have heating equipment to freeze if be exactly that in a single day temperature shuts down when subzero.But increase heat riser and temp controller again for radiator, manufacturing and operating cost will increase greatly.
In original gear-box cooling system, whole system is divided into two parts that separate with a water-oil heat exchanger.This heat exchanger can be installed in from the nearest position of gear-box, makes the gear box lubricating oil pipeline be punctured into the shortest.Feed water-the oil heat exchanger cooling with antifreeze liquid.And antifreeze liquid can lead in the air radiator consistent with ambient temperature and cools off.Like this, antifreeze liquid utilizes circulation " to stop-Kai " to change at an easy rate, has just controlled the temperature of lubricant oil, guarantees the technical requirements of its constant temperature.
The utility model has increased a complete water circulation system.The heat radiation electric fan is not that air is blown on the radiator of oil circulating system, but cool air is blown on the radiator in water circulation system.
The utlity model has following advantage:
The utility model cooled off indirectly directly cooling off to change into antifreeze liquid by cool air with oil merely originally, can guarantee the temperature-constant operation of low form high-power (more than the 1.5MW) wind-driven generator group wheel box.The speed of restarting after low temperature is shut down is fast.
Description of drawings
Fig. 1 is the structural representation of existing cooling unit.
Fig. 2 is a structural representation of the present utility model.
Description of reference numerals: 1. gear-box; 2. radiator; 3. oil pump device; 4. temperature control valve block; 5. water-oil heat exchanger; 6. air-to-water heat exchanger; 7. filter; 8. water/forced air cooler; 9. heat radiation electric fan; 10. pressurized tank; 11. pressure relay.
Embodiment
Embodiment 1
As shown in Figure 2, the cooling unit of low temperature wind-driven generator of the present utility model, be provided with gear-box 1, this gear-box connects the radiator 2 of promising lubricant oil cooling, between radiator 2 and gear-box 1, be provided with water-oil heat exchanger 5, between water-oil heat exchanger 5 and radiator 2, be provided with water/forced air cooler 8 with the antifreeze liquid cooling.
The utility model has increased a complete water circulation system, shown in the left-half of Fig. 2.Heat radiation electric fan 9 is not that air is blown on the radiator of oil circulating system, but cool air is blown on the radiator in water circulation system, promptly on the air-to-water heat exchanger 6.
Water circulation system is made up of pumping plant, water/forced air cooler 8, pressurized tank 10, pressure relay 11, copper thermistor etc.Behind the pump working, plate type heat exchanger, the water/forced air cooler 8 of cooling water in gear-box 1 lubricating oil system formed cooling water circulation loop.When cooling water temperature reaches certain value, for example 45 ℃ the time, water/forced air cooler 8 electric motor startings; When water temperature dropped to certain value, for example water/forced air cooler 8 motors stopped 40 ℃ the time.Exit of pump is provided with pressure switch, and when cooling water pressure was lower than 0.6bar, pressure relay 11 sent the low pressure alarming signal.Exit of pump is provided with copper thermistor (PT100), is used to detect the temperature of cooling water and controls the machine operation of water/forced air cooler 8 or stop.
Filter 7 is a double-filtration, when cold start-up (lubricating oil temperature is spent low), or when filter element pressure reduction during greater than 4bar, and one-way valve opens on the filter core, hydraulic oil is only through the coarse filtration of 25 μ; When temperature raises gradually, when filter core pressure reduction was lower than 4bar, hydraulic oil was through 10 μ and 25 μ double-filtrations.Which kind of situation no matter, the fluid of filtered never allows to enter each lubricant housings in the gear-box 1.Oil supplying device is provided with safety valve, and pressure is set at 10bar, to prevent overpressure system element is caused damage.The function of water-oil heat exchanger 5 is exactly to cooling water side with the heat transfer of gear box lubricating oil.
The utility model will directly cool off by cool air with oil merely originally, changed into antifreeze liquid cooling off indirectly, can guarantee the temperature-constant operation of low form high-power (more than the 1.5MW) wind-driven generator group wheel box.
More than the cooling unit of low temperature wind-driven generator provided by the utility model is described in detail, used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.

Claims (4)

1. the cooling unit of a low temperature wind-driven generator, be provided with gear-box, this gear-box connects the radiator of promising lubricant oil cooling, it is characterized in that: between radiator and gear-box, be provided with water-oil heat exchanger, between water-oil heat exchanger and radiator, be provided with water/forced air cooler with the antifreeze liquid cooling.
2. the cooling unit of low temperature wind-driven generator according to claim 1, it is characterized in that: described radiator is an air-to-water heat exchanger.
3. the cooling unit of low temperature wind-driven generator according to claim 1, it is characterized in that: described gear-box is connected with the filter of one-level or double-filtration.
4. the cooling unit of low temperature wind-driven generator according to claim 1, it is characterized in that: described water/forced air cooler is connected to pressure relay.
CN200920148457U 2009-04-09 2009-04-09 Cooling device for low-temperature wind-driven generator Expired - Lifetime CN201386626Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920148457U CN201386626Y (en) 2009-04-09 2009-04-09 Cooling device for low-temperature wind-driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920148457U CN201386626Y (en) 2009-04-09 2009-04-09 Cooling device for low-temperature wind-driven generator

Publications (1)

Publication Number Publication Date
CN201386626Y true CN201386626Y (en) 2010-01-20

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CN200920148457U Expired - Lifetime CN201386626Y (en) 2009-04-09 2009-04-09 Cooling device for low-temperature wind-driven generator

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101979872A (en) * 2010-10-22 2011-02-23 大连华锐股份有限公司 Lubricating system for gear box of wind generating set
CN102220944A (en) * 2010-04-16 2011-10-19 辽宁中科天道新能源装备工业有限公司 Hot air circulation structure of low-temperature wind power generator set and use method thereof
CN102220946A (en) * 2011-05-06 2011-10-19 中国科学院广州能源研究所 Cooling system for offshore wind generating set
CN102914112A (en) * 2012-10-26 2013-02-06 江苏兆胜空调有限公司 Oil-water cooling device and control method thereof
CN103016934A (en) * 2012-12-04 2013-04-03 大连华锐重工集团股份有限公司 Wind-powered lubrication system with pressure buffer
CN103912376A (en) * 2014-04-25 2014-07-09 广东康菱动力科技有限公司 Generator unit with far-arranged radiator
CN104712502A (en) * 2013-12-15 2015-06-17 上海电气风电设备有限公司 Low-noise cooling system of wind generating set
CN105864412A (en) * 2016-06-16 2016-08-17 南京讯联智能科技有限公司 Novel wind turbine gearbox lubricating and cooling system
CN110553027A (en) * 2018-06-01 2019-12-10 中国船舶重工集团海装风电股份有限公司 Gear box cooling and lubricating system and wind generating set with same

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102220944A (en) * 2010-04-16 2011-10-19 辽宁中科天道新能源装备工业有限公司 Hot air circulation structure of low-temperature wind power generator set and use method thereof
CN101979872A (en) * 2010-10-22 2011-02-23 大连华锐股份有限公司 Lubricating system for gear box of wind generating set
CN101979872B (en) * 2010-10-22 2013-05-01 大连华锐重工集团股份有限公司 Lubricating system for gear box of wind generating set
CN102220946A (en) * 2011-05-06 2011-10-19 中国科学院广州能源研究所 Cooling system for offshore wind generating set
CN102914112A (en) * 2012-10-26 2013-02-06 江苏兆胜空调有限公司 Oil-water cooling device and control method thereof
CN103016934A (en) * 2012-12-04 2013-04-03 大连华锐重工集团股份有限公司 Wind-powered lubrication system with pressure buffer
CN103016934B (en) * 2012-12-04 2015-06-10 大连华锐重工集团股份有限公司 Wind-powered lubrication system with pressure buffer
CN104712502A (en) * 2013-12-15 2015-06-17 上海电气风电设备有限公司 Low-noise cooling system of wind generating set
CN103912376A (en) * 2014-04-25 2014-07-09 广东康菱动力科技有限公司 Generator unit with far-arranged radiator
CN105864412A (en) * 2016-06-16 2016-08-17 南京讯联智能科技有限公司 Novel wind turbine gearbox lubricating and cooling system
CN110553027A (en) * 2018-06-01 2019-12-10 中国船舶重工集团海装风电股份有限公司 Gear box cooling and lubricating system and wind generating set with same

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C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Jiangsu sea mounted wind power equipment Co., Ltd.

Assignor: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd.

Contract record no.: 2010320000683

Denomination of utility model: Cooling device for low-temperature wind-driven generator

Granted publication date: 20100120

License type: Common License

Record date: 20100524

ASS Succession or assignment of patent right

Owner name: XINJIANG HAIZHUANG WINDPOWER EQUIPMENT CO., LTD.

Free format text: FORMER OWNER: CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT CO., LTD.

Effective date: 20131008

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 400021 YUBEI, CHONGQING TO: 839000 HAMI, XINJIANG UYGUR AUTONOMOUS REGION

TR01 Transfer of patent right

Effective date of registration: 20131008

Address after: 839000 Guangdong Industrial Park, Hami, Hami, the Xinjiang Uygur Autonomous Region

Patentee after: Xinjiang sea mounted wind power equipment Co., Ltd.

Address before: 400021 No. 399 Longshan Road, Chongqing, Yubei District

Patentee before: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd.

ASS Succession or assignment of patent right

Owner name: CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT CO.

Free format text: FORMER OWNER: XINJIANG HAIZHUANG WINDPOWER EQUIPMENT CO., LTD.

Effective date: 20150114

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 839000 HAMI, XINJIANG UYGUR AUTONOMOUS REGION TO: 401122 YUBEI, CHONGQING

TR01 Transfer of patent right

Effective date of registration: 20150114

Address after: North District 401122 Chongqing City No. 30 garden Jinyu Road

Patentee after: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd.

Address before: 839000 Guangdong Industrial Park, Hami, Hami, the Xinjiang Uygur Autonomous Region

Patentee before: Xinjiang sea mounted wind power equipment Co., Ltd.

CP01 Change in the name or title of a patent holder

Address after: North District 401122 Chongqing City No. 30 garden Jinyu Road

Patentee after: China Shipbuilding Heavy Industry offshore wind power Limited by Share Ltd

Address before: North District 401122 Chongqing City No. 30 garden Jinyu Road

Patentee before: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd.

CP01 Change in the name or title of a patent holder
CX01 Expiry of patent term

Granted publication date: 20100120

CX01 Expiry of patent term