CN202309383U - Liquid forced cooling system of wind driven generator - Google Patents
Liquid forced cooling system of wind driven generator Download PDFInfo
- Publication number
- CN202309383U CN202309383U CN2011204162740U CN201120416274U CN202309383U CN 202309383 U CN202309383 U CN 202309383U CN 2011204162740 U CN2011204162740 U CN 2011204162740U CN 201120416274 U CN201120416274 U CN 201120416274U CN 202309383 U CN202309383 U CN 202309383U
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- China
- Prior art keywords
- cooling
- cooling coil
- wind
- driven generator
- erecting device
- 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.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 140
- 239000007788 liquid Substances 0.000 title claims abstract description 22
- 239000002826 coolant Substances 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 9
- 238000003475 lamination Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000002528 anti-freeze Effects 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 239000003595 mist Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 239000003570 air Substances 0.000 description 15
- 230000005611 electricity Effects 0.000 description 9
- 238000009423 ventilation Methods 0.000 description 7
- 239000012809 cooling fluid Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Images
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model belongs to the technical field of wind turbine generator cooling, and particularly relates to a liquid forced cooling system of a wind driven generator, which can not only be applied to domestic severe environments of wind field sand, salt mist, rainfall and -40 DEG C low temperature, but also can effectively reduce addition power consumption caused by a cooling type. The system comprises a cooling coil (1), a cooling coil installation device (2), a heat conduction structure (3), a cooling pump (4) and an external heat exchanger (5). The liquid forced cooling system adopts the cooling coil and the cooling coil installation device which are attached closely, is provided with the natural air cooling external heat exchanger, uses antifreeze liquid which is applied to the -40 DEG C low temperature as cooling liquid, can achieve forced cooling of the wind driven generator under the severe environments on the premise of reduction of energy consumption, and meets requirements of a novel MW grade wind turbine generator for the cooling system.
Description
Technical field
The utility model belongs to wind-powered electricity generation set generator cooling technology field, is specifically related to a kind of wind-driven generator liquid and forces cooling system.
Background technology
The existing wind-powered electricity generation set generator type of cooling has casing surface natural cooling, opens modes such as ventilation is cooled off, airtight ventilation circulation cooling.
Surface natural cooling mode: the generator heat passes to surrounding medium through the casing surface, and for increasing area of dissipation, the casing surface often adds the cooling muscle.This mode is simple in structure, but heat-sinking capability is on the low side, for reducing the heating of generator, can only remedy through the magnetic loading of increase generator, and general the ventilation with unlatching cooled off the associating use.
Open the ventilation type of cooling: the cooling structure of generator is an Open architecture, and the cold air that motor is outside is directly sent in the generator, and ambient is discharged behind the absorption heat.Simple in structure, the good cooling results of this mode does not have excess loss.Be usually used in general cleaning, no corrosive environment, on European blower fan, use comparatively general.The wind power generator initial stage is adopted this kind type of cooling more at home, but the situation of the many rainfalls of the windy and dusty many salt fogs of domestic wind field is bigger to the insulation influence of generator inside.
The airtight ventilation circulation type of cooling: a coolant (generator inner air) has the closed loop of one's own with the surrounding environment isolation.One time coolant heat absorption back is taken heat transferred secondary coolant outside the machine out of through the cooler in the loop; Owing to need twice cooling; One time coolant temperature is directly sent into high about 15 ℃ of the inner ambient air temperature of generator than opening the cooling of ventilating, and it is slightly poor that cooling effect is opened the ventilation type of cooling relatively.Can be divided into but dual mode of absolutely empty cooling and air water cooling by secondary coolant difference, and can under dust storm salt fog condition, use.But absolutely empty cooling need be joined air to air heat exchanger and axial flow blower, and it is bigger to take up room, and air water cooling then needs supporting air/water cooler, axial flow blower, secondary water-cooled circulating pump and water cooling heat exchanger, and excess loss is bigger.
For MW level wind-powered electricity generation set generator, if adopt the airtight ventilation circulation type of cooling, cooling device reaches the above power loss of 15kW, and adopts liquid to force the type of cooling, and the cooling device excess loss has only 2～4kW.For certain novel MW level wind-powered electricity generation set generator; The adverse circumstances of domestic wind field dust storm, salt fog, rainfall and-40 ℃ of low temperature had both been required to adapt to; Effectively the control temperature raises, improves generator performance; Require to adapt to the condition of domestic wind field price competition again, make every effort to reduce cost, reduce the excess power loss that the type of cooling causes.Existing cooling system all can not satisfy the demand of this novel MW level wind-powered electricity generation set generator to cooling system.
Summary of the invention
The purpose of the utility model provides a kind of adverse circumstances that can both be applicable to domestic wind field dust storm, salt fog, rainfall and-40 ℃ of low temperature, and the wind-driven generator liquid that can effectively reduce the excess power loss that the type of cooling causes again forces cooling system.
The utility model is achieved in that
A kind of wind-driven generator liquid forces cooling system, comprises cooling coil, cooling coil erecting device, conductive structure, coolant pump and external heat exchanger; Cooling coil is connected with external heat exchanger with coolant pump, is installed in the cooling coil erecting device; The cooling coil erecting device is the circulus that has groove, and the cooling coil erecting device is installed between aerogenerator stator support and the winding lamination; The heat conductive silica gel of conductive structure for solidifying is installed between the groove of cooling coil and cooling coil erecting device; Coolant pump is connected respectively with cooling coil, external heat exchanger.
Aforesaid cooling coil is a circular copper pipe.
The surface of circular copper pipe is through Passivation Treatment as stated.
The first half of cooling coil erecting device groove is that rectangle, Lower Half are that semiellipse, long axis of ellipse direction are parallel with the upper surface of groove as stated, and the internal diameter of this structure is identical with the stator outer diameter of wind-driven generator.
The stator outer cylinder body that aforesaid cooling coil erecting device is a wind-driven generator.
The girth of the oval part in the cross section of cooling coil erecting device groove is the half the of cooling coil cross-sectional periphery girth as stated.
The heat conductive silica gel of aforesaid conductive structure for solidifying covers cooling coil, the top of filling up the cooling coil erecting device bottom the winding lamination between slit.
Aforesaid external heat exchanger is natural air cooled heat exchanger.
The beneficial effect of the utility model is:
The utility model adopts cooling coil and the cooling coil erecting device that fits tightly; And be equipped with natural air cooled external heat exchanger; Use the anti-icing fluid that adapts to-40 ℃ of low temperature environments as cooling fluid; Can satisfy the demand of this novel MW level wind-powered electricity generation set generator being implemented in the cooling that forces of wind-driven generator under the adverse circumstances under the prerequisite that cuts down the consumption of energy to cooling system.
Description of drawings
Fig. 1 is the structural representation that a kind of wind-driven generator liquid of the utility model forces cooling system;
Fig. 2 is the local structural representation of cooling coil among Fig. 1, cooling coil erecting device and conductive structure;
Among the figure, 1. cooling coil, 2. cooling coil erecting device, 3. conductive structure, 4. coolant pump, 5. external heat exchanger.
Embodiment
Force cooling system to carry out detailed introduction below in conjunction with accompanying drawing and embodiment to a kind of wind-driven generator liquid of the utility model:
Like Fig. 1, shown in 2, a kind of wind-driven generator liquid forces cooling system, comprises cooling coil 1, cooling coil erecting device 2, conductive structure 3, coolant pump 4 and external heat exchanger 5.
Wherein, cooling coil 1 is a circular copper pipe, is connected with external heat exchanger 5 with coolant pump 4, and cooling coil 1 is installed in the cooling coil erecting device, and in the present embodiment, the surface of circular copper pipe is through Passivation Treatment.Cooling coil erecting device 2 is for having the circulus of groove, and the first half of groove is that rectangle, Lower Half are that semiellipse, long axis of ellipse direction are parallel with the upper surface of groove, and the internal diameter of cooling coil erecting device 2 is identical with the stator outer diameter of wind-driven generator.
Cooling coil erecting device 2 is installed between aerogenerator stator support and the winding lamination.In other embodiments, cooling coil erecting device 2 also can be the stator outer cylinder body of wind-driven generator.The girth of the oval part in above-mentioned groove cross section is the half the of cooling coil 1 cross-sectional periphery girth.Cooling coil 1 is installed in cooling coil erecting device 2 grooves; During installation; Apply certain pre-fastening moment extruding cooling coil 1 through winding lamination connecting bolt; The Lower Half and the cooling coil erecting device 2 groove Lower Halves of cooling coil 1 are fitted tightly, thereby improve the heat-transfer effect of cooling coil 1.
The heat conductive silica gel of conductive structure 3 for solidifying is used for effectively increasing the thermal transmission coefficient between cooling coil 1 and the coil pipe erecting device.It is installed between the groove of cooling coil 1 and cooling coil erecting device 2, covering cooling coil 1, and the top of filling up cooling coil erecting device 2 bottom the winding lamination between slit.Through between cooling coil 1 and cooling coil erecting device 2 grooves, filling heat conductive silica gel; Make the conductive coefficient between cooling coil 1 and the erecting device groove; 0.02W/ (m.K) by slit air air gap brings up to more than the 1.8W/ (m.K), has improved the conductive coefficient between cooling coil 1 and the cooling coil erecting device 2 greatly.
During work:
At first force cooling system to add cooling fluid to wind-driven generator liquid.Cooling fluid is for adapting to the anti-icing fluid of-40 ℃ of low temperature environments.
During wind-driven generator work, the winding heat passes to cooling coil 1 through winding lamination bottom and cooling coil erecting device 2.Coolant pump 4 cools off heated liquid circulation to external heat exchanger 5, return cooling coil 1 after the cooling.
The utility model adopts cooling coil and the cooling coil erecting device that fits tightly; And be equipped with natural air cooled external heat exchanger; Use the anti-icing fluid that adapts to-40 ℃ of low temperature environments as cooling fluid; Can satisfy the demand of this novel MW level wind-powered electricity generation set generator being implemented in the cooling that forces of wind-driven generator under the adverse circumstances under the prerequisite that cuts down the consumption of energy to cooling system.
Claims (8)
1. a wind-driven generator liquid forces cooling system, it is characterized in that: comprise cooling coil (1), cooling coil erecting device (2), conductive structure (3), coolant pump (4) and external heat exchanger (5); Cooling coil (1) is connected with external heat exchanger (5) with coolant pump (4), is installed in the cooling coil erecting device (2); Cooling coil erecting device (2) is for having the circulus of groove, and cooling coil erecting device (2) is installed between aerogenerator stator support and the winding lamination; Conductive structure (3) is installed between the groove of cooling coil (1) and cooling coil erecting device (2); Coolant pump (4) is connected respectively with cooling coil (1), external heat exchanger (5).
2. a kind of wind-driven generator liquid according to claim 1 forces cooling system, it is characterized in that: described cooling coil (1) is a circular copper pipe.
3. a kind of wind-driven generator liquid according to claim 2 forces cooling system, it is characterized in that: the surface of said circular copper pipe is through Passivation Treatment.
4. a kind of wind-driven generator liquid according to claim 1 forces cooling system; It is characterized in that: the first half of said cooling coil erecting device (2) groove is that rectangle, Lower Half are that semiellipse, long axis of ellipse direction are parallel with the upper surface of groove, and the internal diameter of cooling coil erecting device (2) is identical with the stator outer diameter of wind-driven generator.
5. a kind of wind-driven generator liquid according to claim 1 forces cooling system, it is characterized in that: described cooling coil erecting device (2) is the stator outer cylinder body of wind-driven generator.
6. a kind of wind-driven generator liquid according to claim 1 forces cooling system, it is characterized in that: the girth of the oval part in the cross section of said cooling coil erecting device (2) groove is the half the of cooling coil (1) cross-sectional periphery girth.
7. a kind of wind-driven generator liquid according to claim 1 forces cooling system; It is characterized in that: the heat conductive silica gel of described conductive structure (3) (3) for solidifying; Cover cooling coil (1), the top of filling up cooling coil erecting device (2) bottom the winding lamination between slit.
8. a kind of wind-driven generator liquid according to claim 1 forces cooling system, it is characterized in that: described external heat exchanger (5) is natural air cooled heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204162740U CN202309383U (en) | 2011-10-27 | 2011-10-27 | Liquid forced cooling system of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204162740U CN202309383U (en) | 2011-10-27 | 2011-10-27 | Liquid forced cooling system of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309383U true CN202309383U (en) | 2012-07-04 |
Family
ID=46378195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204162740U Expired - Fee Related CN202309383U (en) | 2011-10-27 | 2011-10-27 | Liquid forced cooling system of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309383U (en) |
-
2011
- 2011-10-27 CN CN2011204162740U patent/CN202309383U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170405 Address after: 100176 Daxing District, Beijing economic and Technological Development Zone, Fairview street, No., aerospace science and Technology Park, layer 6, 2 Patentee after: Beijing Wanyuan Industry Co.,Ltd. Address before: 100176 Daxing District, Beijing economic and Technological Development Zone, Fairview street, No., aerospace science and Technology Park, layer 6, 2 Patentee before: Beijing Wanyuan Industry Co.,Ltd. Patentee before: China Academy of Launch Vehicle Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20191027 |