CN106939877A - The cooling system and wind power generating set of wind power generating set - Google Patents
The cooling system and wind power generating set of wind power generating set Download PDFInfo
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- CN106939877A CN106939877A CN201710167705.6A CN201710167705A CN106939877A CN 106939877 A CN106939877 A CN 106939877A CN 201710167705 A CN201710167705 A CN 201710167705A CN 106939877 A CN106939877 A CN 106939877A
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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
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The embodiments of the invention provide a kind of cooling system of wind power generating set and wind power generating set, cooling system therein, including：Hot-side heat dissipation unit, is arranged at and is connected by the cabin and generator of wind power generating set on the stator support in the closing space formed；Cold end heat-sink unit, is arranged at the outside of closing space and can carry out heat exchange with air ambient；Liquid feeding pipeline and liquid back pipe road；Pump group unit, is arranged on liquid feeding pipeline or liquid back pipe road, for driving refrigerating medium to be circulated between cold end heat-sink unit and hot-side heat dissipation unit；Controller, for controlling pump group unit.The beneficial effects of the invention are as follows, pass through the design to cold end heat-sink unit and hot-side heat dissipation unit, hot-side heat dissipation unit is particularly arranged on stator support, occupancy of the cooling system to engine room inside space can be reduced, the appearance and size of generator will not be increased, ensure the uniformity of wind power generating set radiating, improve cooling system reliability of operation.
Description
Technical field
The present invention relates to technical field of wind power generating equipment, a kind of cooling system more particularly to wind power generating set and
Wind power generating set.
Background technology
At present, for the cooling of wind power generating set, the natural air cooled of use is used for the less unit of single-machine capacity, damage
Radiating ribs or other fin structures that the heat that consumption is produced is added against case surface, rely on wind field natural wind and scan generation flow-disturbing
The cooling requirements of unit can be met by carrying out heat exchange.But as single-machine capacity increases, only met not by natural cooling form
The cooling requirements of wind power generating set, thus produce follow-up absolutely empty enclosed cooling system and open type cooling system to improve to wind
The cooling of power generator group.
And enclosed cooling system space-consuming is larger, especially as the further raising of single-machine capacity；Open cooling system
The situation that dust storm is larger or environmental working condition is severe can not be applied to, generator laying dust and the reduction of system cooling air quantity is easily caused, makes
It is not enough into heat dissipation capacity.
Meanwhile, for the wind power generating set that single-machine capacity is larger, using the water-cooling structure of jacket structure for water, by setting not
Same flow passage structure, different fin sizes, so that the heat dissipation capacity of wind power generating set is improved, but its complex structure, increase
The external diameter of generator, especially for the diameter of permanent magnet direct-driving aerogenerator group, by the bigger of change.In addition, using the structure,
Not only structure bulky, while the problem of there is leak risk and heat dissipation uniformity.
The content of the invention
It is an object of the invention to provide a kind of cooling system of wind power generating set and wind power generating set, existing skill is solved
Art carries out the above mentioned problem of radiating presence to wind power generating set.
The one side of the embodiment of the present invention there is provided a kind of cooling system of wind power generating set, including：
One or more hot-side heat dissipation unit in parallel, is arranged at cabin and the generator company by wind power generating set
Connect on the stator support in the closing space to be formed, to be radiated to the generator；
One or more cold end heat-sink unit in parallel, be arranged at the closing space outside and can be with sky
Compression ring border carries out heat exchange；
Liquid feeding pipeline, one end and the cold end refrigerating medium outlet of the cold end heat-sink unit, the other end and the hot junction
The hot junction refrigerating medium entrance connection of heat-sink unit；
Liquid back pipe road, one end and the hot junction refrigerating medium outlet of the hot-side heat dissipation unit, the other end and the cold end
The cold end refrigerating medium entrance connection of heat-sink unit；
One or more pump group unit in parallel, is arranged on the liquid feeding pipeline or the liquid back pipe road, is used for
Driving refrigerating medium is circulated between the cold end heat-sink unit and the hot-side heat dissipation unit；
Controller, for controlling the pump group unit.
Selectively, the pump group unit, including：
Pump group, for driving refrigerating medium to be circulated between the cold end heat-sink unit and the hot-side heat dissipation unit.
Selectively, the pump group unit, also includes：
Filter, is arranged at the pipeline of the pump group upstream, for being filtered to the refrigerating medium for flowing through pump group unit；
Blowoff valve, the impurity for the filter to be filtered is discharged；
Check-valves, is arranged at the pipeline in the pump group downstream, for preventing that refrigerating medium from flowing backwards damage pump group in pipeline.
Selectively, the cooling system, also includes：
Flow sensor, is arranged on the pipeline where the pump group unit, the flow for refrigerating medium in signal piping
Signal, and the flow signal is sent to the controller；
Correspondingly, the controller, is additionally operable to control the power of the pump group according to the flow signal.
Selectively, also including bypass line, one end of the bypass line is connected with the liquid feeding pipeline, the other end with
The liquid back pipe road connection, is provided with regulating valve on the bypass line；The pump group unit is arranged at the liquid feeding pipeline simultaneously
And it is arranged at the liquid back pipe road and positioned at the bypass pipe positioned at the downstream of the bypass line, or the pump group unit
The upstream on road；
Correspondingly, the controller is additionally operable to control the regulating valve.
Selectively, the pump group unit, also includes：
First pressure sensor, is arranged at the pipeline of the pump group upstream, the first pressure for refrigerating medium in signal piping
Power, and the first pressure is sent to the controller；
Second pressure sensor, is arranged at the pipeline in the pump group downstream, the second pressure for refrigerating medium in signal piping
Power, and the second pressure is sent to the controller.
Selectively, the pump group unit, also includes：
Heater, for being heated to the refrigerating medium for flowing through the pump group unit；
Correspondingly, the controller is additionally operable to control the heating power of the heater.
Selectively, the pump group unit, also includes：
First temperature sensor, is arranged at the pipeline of the heater upstream, first for refrigerating medium in signal piping
Temperature；
Second temperature sensor, is arranged at the pipeline in the heater downstream, second for refrigerating medium in signal piping
Temperature；
The controller, is additionally operable to control the heating work(of the heater according to the temperature difference of the first temperature and second temperature
The power of the aperture and/or pump group of rate and/or the regulating valve.
Selectively, the hot-side heat dissipation unit, including hot-side heat dissipation device module, the hot-side heat dissipation device Module-embedding formula
On the stator support.
Selectively, the hot-side heat dissipation device module, including：
Hot-side heat dissipation device core body, the heat for absorbing the generator；
First circulation blower fan, for air-flow to be blowed into the hot-side heat dissipation device core body, the first circulation blower fan with it is described
Controller is electrically connected.
Selectively, the hot-side heat dissipation device module, also includes：
Hot junction air bleeding valve, is arranged at the hot-side heat dissipation device core body, for by the gas in the hot-side heat dissipation device core body
Discharge；
Hot junction tapping valve, is arranged at the hot-side heat dissipation device core body, for by the refrigerating in the hot-side heat dissipation device core body
Agent is discharged.
Selectively, the hot-side heat dissipation unit, also includes：
On three-temperature sensor, the pipeline for being arranged at the hot-side heat dissipation device core body outlet, for detecting the hot junction
3rd temperature of radiator core body outlet, and the 3rd temperature is sent to the controller；
Correspondingly, the controller, be additionally operable to according to the 3rd temperature control rotating speed of first circulation blower fan and/
Or the power of pump group.
Selectively, the hot-side heat dissipation unit, also includes：
On 3rd pressure sensor, the pipeline for being arranged at the hot-side heat dissipation device core body outlet, for detecting the hot junction
3rd pressure of radiator core body outlet, and the 3rd pressure is sent to the controller.
Selectively, the hot-side heat dissipation unit, also includes：
On second stop valve, the pipeline for being respectively arranged at the hot-side heat dissipation device core body two ends.
Selectively, the cold end heat-sink unit, including：
Cold end radiator core body, for releasing heat into air ambient；
Second circulation blower fan, for air-flow to be blowed into the cold end radiator core body, the second circulation blower fan with it is described
Controller is connected.
Selectively, the cold end heat-sink unit, also includes：
Cold end air bleeding valve, is arranged at the cold end radiator core body, for by the gas in the cold end radiator core body
Discharge；
Cold end tapping valve, is arranged at the cold end radiator core body, for by the refrigerating in the cold end radiator core body
Agent is discharged.
Selectively, the cold end heat-sink unit, also includes：
On 3rd stop valve, the pipeline for being respectively arranged at the cold end radiator two ends.
Selectively, the cold end heat-sink unit is arranged at the outside of the cabin；Or, the cold end heat-sink unit is set
The inside of the cabin is placed in, and air inlet and air outlet are offered on the bulkhead of the cabin, the cold end radiates single
Member is arranged between the air inlet and the air outlet.
Selectively, when the cold end heat-sink unit is in parallel by two or more, also include：
4th stop valve, respectively set with it is in parallel after the cold end heat-sink unit two ends pipeline on.
The first stop valve is respectively equipped with the upstream and downstream pipeline of the regulating valve.
Selectively, the cooling system, also includes：
Linear water immersion switch, is arranged at the hot-side heat dissipation unit, is examined when there is leakage for the hot-side heat dissipation unit
Leaked hunting liquid signal, and the leakage signal is sent into the controller；
Correspondingly, the controller, is additionally operable to control the pump group unit to shut down and/or control according to the leakage signal
Each valve of the cooling system is closed.
Selectively, the generator is direct drive generator.
Selectively, the refrigerating medium is water or alcohol solution.
The other side of the embodiment of the present invention, additionally provides a kind of wind power generating set, and it includes above-described wind
The cooling system of power generator group.
The beneficial effects of the invention are as follows by the design to cold end heat-sink unit and hot-side heat dissipation unit, particularly by heat
End heat-sink unit is arranged on stator support, can reduce occupancy of the cooling system to engine room inside space, will not increase generator
Appearance and size, the heat of hot-side heat dissipation unit is transferred to cold end heat-sink unit by pipeline, it is air-cooled using surrounding air
Mode improves the efficiency of wind power generating set radiating, and ensures the uniformity of wind power generating set radiating.
Brief description of the drawings
From below in conjunction with the accompanying drawings to the present invention embodiment description in the present invention may be better understood, its
In：
By reading the detailed description made referring to the drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon, wherein, same or analogous reference represents same or analogous feature.
Fig. 1 is the structural representation of the cooling system for the wind power generating set that one embodiment of the invention is provided；
Fig. 2 is the structural representation of the cooling system for the wind power generating set that one embodiment of the invention is provided；
Fig. 3 is the pipeline jointing construction schematic diagram of the cooling system for the wind power generating set that one embodiment of the invention is provided；
Fig. 4 is the pipeline jointing construction schematic diagram of the cooling system for the wind power generating set that one embodiment of the invention is provided；
Fig. 5 is the pipeline jointing construction schematic diagram of the cooling system for the wind power generating set that one embodiment of the invention is provided；
Fig. 6 is the pipeline jointing construction schematic diagram of the cooling system for the wind power generating set that one embodiment of the invention is provided.
In figure：
100th, cold end heat-sink unit；101st, cold end refrigerating medium entrance；102nd, cold end refrigerating medium is exported；103rd, cold end radiator
Core body；104th, second circulation blower fan；105th, cold end air bleeding valve；106th, cold section of tapping valve；107th, the 3rd stop valve；108th, the 4th section
Only valve；
201st, liquid feeding pipeline；202nd, liquid back pipe road；203rd, flow sensor；204th, bypass line；205th, regulating valve；206、
First stop valve；
500th, pump group unit；501st, pump group；502nd, filter；503rd, blowoff valve；504th, check-valves；505th, heater；
511st, first pressure sensor；512nd, second pressure sensor；521st, the first temperature sensor；522nd, second temperature sensor；
600th, hot-side heat dissipation unit；601st, hot junction refrigerating medium entrance；602nd, hot junction refrigerating medium is exported；603rd, the 3rd temperature is passed
Sensor；604th, the 3rd pressure sensor；605th, the second stop valve；610th, hot-side heat dissipation device module；611st, hot-side heat dissipation device core body；
612nd, first circulation blower fan；613rd, hot junction air bleeding valve；614th, hot junction tapping valve；
700th, cabin；701st, air outlet；
800th, generator；801st, stator support；802nd, linear water immersion switch；
900th, closing space.
Embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, to provide complete understanding of the present invention.But, to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood to provide to the present invention.The present invention is never limited
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of part and algorithm.In the the accompanying drawings and the following description, known structure and skill is not shown
Art, to avoid causing the present invention unnecessary obscure.
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment those skilled in the art is comprehensively conveyed to.In figure, in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical reference represents same or similar structure in figure, thus will save
Omit their detailed description.
Implement in addition, described feature, structure or characteristic can be combined in any suitable manner one or more
In example.Embodiments of the invention are fully understood so as to provide there is provided many details in the following description.However,
It will be appreciated by persons skilled in the art that technical scheme can be put into practice without one in the specific detail or more
It is many, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material operates to avoid obscuring the major technique intention of the present invention.
Relevant technical term in the embodiment of the present invention：
Cold end heat-sink unit：The cooling system cooled down by surrounding air to refrigerating medium.
Hot-side heat dissipation unit：The cooling system cooled down by refrigerating medium to generator thermal current.
Pump group unit：Ensure that refrigerating medium overcomes cold end heat-sink unit, hot-side heat dissipation unit and pipe resistance in closed system
Ensure the dynamical system of certain flow circulation.
As shown in figure 1, a kind of cooling system for wind power generating set that one embodiment of the invention is provided, including：
Hot-side heat dissipation unit 600, is arranged at and connects the envelope formed by the cabin 700 and generator 800 of wind power generating set
Close on the stator support 801 in space 900, to be radiated to generator 800；
Cold end heat-sink unit 100, is arranged at the outside of closing space 900 and can carry out heat exchange with air ambient；
Liquid feeding pipeline 201, one end is connected with the cold end refrigerating medium outlet 102 of cold end heat-sink unit 100, the other end and hot junction
The hot junction refrigerating medium entrance 601 of heat-sink unit 600 is connected；
Liquid back pipe road 202, one end is connected with the hot junction refrigerating medium outlet 602 of hot-side heat dissipation unit 600, the other end and cold end
The cold end refrigerating medium entrance 101 of heat-sink unit 100 is connected；
Pump group unit 500, is arranged on liquid feeding pipeline 201, for driving refrigerating medium in cold end heat-sink unit 100 and hot junction
Circulated between heat-sink unit 600；
Controller (not shown), for controlling pump group unit 500.
During implementation, pump group unit 500 can also be arranged on liquid back pipe road 202, and it acts on and is arranged at confession
The functions and effects of liquid pipeline 201 are identical.
Closing space 900 is docked and formed by cabin 700 and generator 800, and cold end heat-sink unit 100 is arranged on cabin 700
Outside, cold end heat-sink unit 100 passes through liquid feeding pipeline 201 and liquid back pipe road 202 and the hot-side heat dissipation list in closing space 900
The connection of member 600 forms circulation loop, and drives refrigerating medium to be circulated in circulation loop by pump group unit 500, by hot junction
The heat for the generator 800 that heat-sink unit 600 absorbs is taken away, and is transported to cold end heat-sink unit 100 along liquid back pipe road 202,
Air ambient is transferred heat to by way of carrying out heat exchange with air ambient in cold end heat-sink unit 100, and makes refrigerating
Agent itself cools；Circulation of the refrigerating medium between cold end heat-sink unit 100 and hot-side heat dissipation unit 600, is driven by pump group unit 500
It is dynamic that power is provided.
Cold end heat-sink unit 100 passes through 202 groups of liquid feeding pipeline 201 and liquid back pipe road between hot-side heat dissipation unit 600
During into circulation loop, liquid feeding pipeline 201 and liquid back pipe road 202 need the bulkhead through cabin 700 to enter in closing space 900.
In the present embodiment, whole cabin 700 can be configured to closing space 900, and the stator support of generator 800
801 are placed in closing space 900；Selectively, whole generator 800 and cabin 700 are tightly connected to form closing space
900。
There is the space that is connected with hot-side heat dissipation unit 600, the space is as accommodation space with by heat on stator support 801
End heat-sink unit 600 is placed in wherein, so that hot-side heat dissipation unit 600 directly can not only radiate to generator 800,
Cabin 700 and the structure of generator 800 can also rationally be utilized, excessive space is not take up, it is not required that increase generator 800 or
The size design of person's cabin 700, radiating efficiency height and reasonable in design.
Pump group unit 500 is controlled to drive refrigerating medium in cold end heat-sink unit 100 and hot-side heat dissipation unit 600 by controller
Between circulate, can according to the flow velocity of the power of generator 800 (power of generator is bigger, generates heat higher) control refrigerating medium,
So as to better control over the radiating efficiency of cabin 700 and generator 800.
The beneficial effect of the cooling system for the wind power generating set that the present embodiment is provided is, in the driving of pump group unit 500
Under, the refrigerating medium that refrigerating medium is transported to by liquid feeding pipeline 201 in hot-side heat dissipation unit 600, hot-side heat dissipation unit 600 absorbs
The heat of generator 800, and cold end heat-sink unit 100 is transported to along liquid back pipe road 202, pass through the sky outside cabin 700
Gas radiates to cold end heat-sink unit 100, so that the refrigerating medium cooling inside cold end heat-sink unit 100, refrigerating medium cooling
Hot-side heat dissipation unit 600 is fed to again through pump group unit 500 afterwards, this cyclic process is completed to generator heat-radiation
Effect；Hot-side heat dissipation unit 600 is arranged on to the stator support 801 of generator 800, cooling system can be reduced to cabin 700
The occupancy of inner space, will not increase the appearance and size of generator 800, and the heat of hot-side heat dissipation unit 600 is turned by pipeline
Cold end heat-sink unit 100 is moved on to, the efficiency of wind power generating set radiating is improved using the air-cooled mode of surrounding air, and is ensured
The uniformity of wind power generating set radiating.
Selectively, as shown in Fig. 2 one embodiment of the invention provide a kind of wind power generating set cooling system, with
Cold end heat-sink unit 100 is arranged at the outside different of cabin 700, in the present embodiment, cold end heat-sink unit in above-described embodiment
100 are arranged at the inside of cabin 700, and offer on the bulkhead of cabin 700 air inlet (not shown) and air outlet
701, cold end heat-sink unit 100 is arranged between air inlet and air outlet 701.
In the present embodiment, a space is separated out inside cabin 700 as closing space 900, is set in space in addition
A part is used to accommodate cold end heat-sink unit 100, and opens up air inlet in the corresponding space of cold end heat-sink unit 100 and go out
Air port 701, in order to form vent passages between air inlet and air outlet 701, it is logical that cold end heat-sink unit 100 is arranged at ventilation
Road, cools during being discharged in order to air-flow by air inlet and from air outlet 701 to cold end heat-sink unit 100.
Surrounding air is entered in cabin by air inlet, then after cold end heat-sink unit 100, after heat exchange from
Air outlet 701 is discharged.
The beneficial effect of the cooling system for the wind power generating set that the present embodiment is provided is, in the driving of pump group unit 500
Under, the refrigerating medium that refrigerating medium is transported to by liquid feeding pipeline 201 in hot-side heat dissipation unit 600, hot-side heat dissipation unit 600 absorbs
The heat of generator 800, and be transported to cold end heat-sink unit 100 along liquid back pipe road 202, surrounding air is from cabin 700
Air inlet on bulkhead enters engine room inside, by during cold end heat-sink unit 100 by the internal coolant of cold end heat-sink unit 100
Heat is taken away, and cold end heat-sink unit 100 is cooled, and the air outlet 701 on bulkhead that then surrounding air passes through cabin 700 flows
Go out, be fed to hot-side heat dissipation unit 600 again through pump group unit 500 after refrigerating medium cooling, this cyclic process is completed
Effect to generator heat-radiation；Hot-side heat dissipation unit is arranged on stator support, can reduce cooling system to cabin 700 inside
The occupancy in space, will not increase the appearance and size of generator 800, and the heat of hot-side heat dissipation unit 600 is transferred to by pipeline
Cold end heat-sink unit 100, the efficiency of wind power generating set radiating is improved using the air-cooled mode of surrounding air, and ensures wind-force
The uniformity of generator set heat radiation.
Selectively, as shown in Figure 1 or 2, the cooling system for the wind power generating set that one embodiment of the invention is provided, also
Including：
Linear water immersion switch 802, is arranged at hot-side heat dissipation unit 600, is examined when there is leakage for hot-side heat dissipation unit 600
Leaked hunting liquid signal, and leakage signal is sent into controller；
Correspondingly, controller, is additionally operable to control pump group unit 500 to shut down and/or control cooling system according to leakage signal
Each valve close.
Linear water immersion switch 802 can control pump group unit in time when hot-side heat dissipation unit 600 is leaked
500 are shut down, and each valve of control cooling system is closed, so as to avoid leakage problem from aggravating, and can send report in time
Alert and prompting, allows staff to be overhauled as early as possible to the position for producing leakage.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, wherein
Pump group unit 500, including：
Pump group 501, for driving refrigerating medium to be circulated between cold end heat-sink unit 100 and hot-side heat dissipation unit 600.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, pump group unit therein
500, also include：
Filter 502, is arranged at the pipeline of the upstream of pump group 501, for being carried out to the refrigerating medium for flowing through pump group unit 500
Filter, prevents that particulate matter from entering in pump group 501 and hot-side heat dissipation unit 600, it is ensured that the steady high-efficiency operation of cooling system；
Blowoff valve 503, the impurity for filter 502 to be filtered is discharged, and blowoff valve 503 can be arranged on pump group 501
In upstream, on the downstream pipe that pump group 501 can also be arranged on；
Check-valves 504, is arranged at the pipeline in the downstream of pump group 501, for preventing that refrigerating medium from flowing backwards in pipeline, prevents from flowing backwards
Damage pump group unit 500.
By the design of filter 502, blowoff valve 503 and check-valves 504, the flat of pump group unit 500 can be effectively ensured
Steady operating.
Selectively, as shown in figure 3, the cooling system for the wind power generating set that one embodiment of the invention is provided, also includes：
On flow sensor 203, the pipeline for being arranged at the place of pump group unit 500, the stream for refrigerating medium in signal piping
Signal is measured, and flow signal is sent to controller；
Correspondingly, controller, is additionally operable to control the power of pump group 501 according to flow signal.
The flow of refrigerating medium determines the cooling effectiveness of cooling system, when the power increase of generator 800, or environment temperature
Degree rising causes cooling to require when also improving therewith, can control to increase the power of pump group 501 by controller, increase refrigerating medium
Flow, and then reach improve cooling effectiveness purpose；Conversely, when the power reduction of generator 800, or environment temperature decline
Cause cooling to require when also declining therewith, can control to reduce the power of control pump group 501 by controller, reduce the stream of refrigerating medium
Amount, so as to avoid cooling system over-running from also producing unnecessary loss.
Selectively, as shown in figure 3, the cooling system for the wind power generating set that one embodiment of the invention is provided, also includes：
Bypass line 204, one end of bypass line 204 is connected with liquid feeding pipeline 201, and the other end is connected with liquid back pipe road 202, in bypass
Pipeline 204 is provided with regulating valve 205；Pump group unit 500 is arranged at liquid feeding pipeline 201 and positioned at the downstream of bypass line 204,
Correspondingly, controller is additionally operable to control to adjust valve 205.
When the temperature of refrigerating medium is less than setting value, the regulating valve 205 on bypass line 204 is opened, regulating valve 205 can be with
It is adjusted according to refrigerant temperature, in the case of environment temperature is too low, coolant temperature is too low, for the easy production of electric generator structure
Raw too big thermal stress, now by opening the regulating valve 205 on bypass line 204 so that part refrigerating medium to be shunted, without supercooling
Heat-sink unit 100 is held, and hot-side heat dissipation unit 600 is back to together with the refrigerating medium after cooling.
When pump group unit 500 is arranged on liquid back pipe road 202, pump group unit 500 is arranged at the upper of bypass line 204
Trip.
By the design of the regulating valve 205 on bypass line 204 and its top, some or all of refrigerating medium can be made by returning
Liquid pipeline 202 is passed straight back to liquid feeding pipeline 201 by bypass line 204.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, the upstream of regulating valve 205
Be respectively equipped with the first stop valve 206 on downstream pipe, the design of the first stop valve 206 is easy to bypass line 204 and thereon
The regulating valve 205 in portion is overhauled, and is easy to change regulating valve 205, is easy to the maintenance of system on the whole.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, pump group unit 500, also
Including：
First pressure sensor 511, is arranged at the pipeline of the upstream of pump group 501, and first for refrigerating medium in signal piping
Pressure, and first pressure is sent to controller；
Second pressure sensor 512, is arranged at the pipeline in the downstream of pump group 501, and second for refrigerating medium in signal piping
Pressure, and second pressure is sent to controller.
By detecting the first pressure of the upstream of pump group 501 and the second pressure of the downstream pipe of pump group 501, to examine
Survey pump group 501 and whole cooling system whether there is stopping state.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, pump group unit 500, also
Including：
Heater 505, for being heated to the refrigerating medium for flowing through pump group unit 500；
Correspondingly, controller is additionally operable to control the heating power of heater 505.
When the interior humidity of cabin 700 is excessive, in order to avoid the corrosion of the inner components of cabin 700, added by design
Hot device 505 carries out drying tide to engine room inside, so as to ensure that cabin is steadily operated, it is to avoid the excessive corrosion to equipment of humidity.
The present embodiment further increases heater 505 on the basis of cooling system, and combines hot-side heat dissipation unit 600
Cabin 700 is internally heated together to carry out drying tide；By the heat effect of heater 505, pass through hot-side heat dissipation unit
The effect of 600 quick heat exchange, makes cabin interior temperatures rapidly and evenly raise, so as to preferably reach the effect for drying tide
Really.
During drying tide, generally require and the regulating valve 205 on bypass line 204 is opened to maximum, pass through pump group 501
Refrigerating medium is promoted to be circulated in the cooling system inside closing space 900, to be internally heated baking tide to closing space 900.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, pump group
Unit 500, also includes：
First temperature sensor 521, is arranged at the pipeline of the upstream of heater 505, and for refrigerating medium in signal piping
One temperature；
Second temperature sensor 522, is arranged at the pipeline in the downstream of heater 505, and for refrigerating medium in signal piping
Two temperature；
Controller, be additionally operable to according to the temperature difference of the first temperature and second temperature control heater 505 heating power and/
Or the aperture and/or the power of pump group 501 of regulating valve 205.
It is quick when needing, it is necessary to be judged to dry the effect of tide according to the temperature of temperature sensor senses during tide is dried
The time of tide is dried, generally requires and improves the heating power of heater 505, increase the aperture of regulating valve 205 and improve the work(of pump group 501
Rate.
During cooling, it is necessary to which (now heater 505 and regulating valve 205 are all in closing when improving cooling effectiveness
State), generally require the power for improving pump group 501.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, hot junction
Heat-sink unit 600, including hot-side heat dissipation device module 610, the installation by adhering of hot-side heat dissipation device module 610 is on stator support 801.
In the present embodiment, hot-side heat dissipation unit 600 using it is multiple it is in parallel by the way of install, during installation, stator can be surrounded
The even circumferential distribution of support 801；Understanding based on those skilled in the art, the quantity of hot-side heat dissipation unit 600 is more, its point
The region of cloth is wider, and radiating effect is also better, but if only with a hot-side heat dissipation unit 600, can also realize base
This cooling effect.Hot-side heat dissipation device module 610 uses modular design, can be arranged on stator support 801 with more convenient
On, and break down when, hot-side heat dissipation device module 610 can also integral demounting and replacing, improve the effect of maintenance
Rate.
When being installed in parallel using multiple hot-side heat dissipation units 600, pipeline is used with journey design, realizes each hot-side heat dissipation
The stability of bypass flow where unit 600, so as to equably be cooled down to stator support 801 and generator 800.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, hot-side heat dissipation device module
610, including：
Hot-side heat dissipation device core body 611, the heat for absorbing generator 800；
First circulation blower fan 612, for air-flow to be blowed into hot-side heat dissipation device core body 611, first circulation blower fan and controller
Electrical connection.
The operating of first circulation blower fan 612 is controlled by controller, it is in parallel especially with multiple hot-side heat dissipation units 600
When, controller can control the first circulation blower fan 612 of all hot-side heat dissipation units 600 to operate together or a start/stop machine, from
And make hot-side heat dissipation unit 600 that there is more preferable heat exchange effect, to the cooling effect of stator support 801 and generator 800 more
Uniformly.
Selectively, in the cooling system for the wind power generating set that one embodiment of the invention is provided, hot-side heat dissipation device module
610, also include：
Hot junction air bleeding valve 613, is arranged at hot-side heat dissipation device core body 611, for by the gas in hot-side heat dissipation device core body 611
Discharge；Particularly during refrigerating medium is injected to hot-side heat dissipation unit 600, be conducive in hot-side heat dissipation device core body 611
The gas discharge in portion, it is ensured that refrigerating medium is smoothly injected into inside hot-side heat dissipation device core body 611；
Hot junction tapping valve 614, is arranged at hot-side heat dissipation device core body 611, for by the refrigerating in hot-side heat dissipation device core body 611
Agent is discharged, in order to be overhauled to hot-side heat dissipation unit 600, prevents the refrigerating medium influence maintenance of residual；Simultaneously can also profit
The soiling solution inside hot-side heat dissipation unit 600 is discharged with hot junction tapping valve 614.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, hot junction
Heat-sink unit 600, also includes：
On three-temperature sensor 603, the pipeline for being arranged at the outlet of hot-side heat dissipation device core body 611, for detecting that hot junction dissipates
The 3rd temperature that hot device core body 611 is exported, and the 3rd temperature is sent to controller；It is easy to monitoring refrigerating medium and generator 800
Temperature after heat exchange, in order to which the cooling effectiveness to cooling system is effectively controlled；
Correspondingly, controller, is additionally operable to the rotating speed and pump group 501 according to the 3rd temperature control first circulation blower fan 612
Power.When the 3rd temperature is too high, by way of improving the power of pump group 501, promote refrigerating medium with bigger flow and
Flow velocity passes through hot-side heat dissipation unit 600, so as to improve the cooling effectiveness of hot-side heat dissipation device core body, exports hot-side heat dissipation device core body
Temperature reduction；In order to further improve cooling effectiveness, it can also control to increase the rotating speed of first circulation blower fan 612 simultaneously.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, hot junction
Heat-sink unit 600, also includes：
On 3rd pressure sensor 604, the pipeline for being arranged at the outlet of hot-side heat dissipation device core body 611, for detecting that hot junction dissipates
The 3rd pressure that hot device core body 611 is exported, and the 3rd pressure is sent to controller.3rd pressure sensor 604 is easy to monitoring
Pressure balance on each branch road, is capable of detecting when the branch road blocked, consequently facilitating being safeguarded to whole machine.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, hot junction
Heat-sink unit 600, also includes：
It is scattered to hot junction when needing on second stop valve 605, the pipeline for being respectively arranged at the two ends of hot-side heat dissipation device module 610
When hot device module 610 is dismantled and repaired, it is only necessary to close second cut-off at the two ends of hot-side heat dissipation device module 610 of Awaiting Overhaul
Valve 605, you can the hot-side heat dissipation device module 610 to Awaiting Overhaul carry out demolition and replacement, and does not interfere with other hot-side heat dissipations
The operation of device module 610.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, cold end
Heat-sink unit 100, including：
Cold end radiator core body 103, for releasing heat into air ambient；
Second circulation blower fan 104, for air-flow to be blowed into cold end radiator core body 103, second circulation blower fan 104 and control
Device is connected.
Surrounding air is blowed to by cold end radiator core body 103 by second circulation blower fan 104, so that cold end radiator core
Heat exchange is carried out between refrigerating medium and air in body 103, air takes away the heat in refrigerating medium, refrigerating medium is cooled, and
And the refrigerating medium after being cooled down using pump group unit the last 500 is fed to hot-side heat dissipation unit 600 again.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, cold end
Heat-sink unit 100, also includes：
Cold end air bleeding valve 105, is arranged at cold end radiator core body 103, for by the gas in cold end radiator core body 103
Discharge；It is easy to injecting refrigerating medium in cooling system.
Cold end tapping valve 106, is arranged at cold end radiator core body 103, for by the refrigerating in cold end radiator core body 103
Agent is discharged, discharge opeing blowdown when being easy to overhaul cooling system.
Selectively, as shown in figure 3, one embodiment of the invention provide wind power generating set cooling system in, cold end
Heat-sink unit 100, also includes：
On 3rd stop valve 107, the pipeline for being respectively arranged at the two ends of cold end radiator core body 103, when to cold end radiator
When core body 103 is overhauled, it is only necessary to close the 3rd stop valve 107 at the two ends of cold end radiator core body 103, it is possible to by cold end
Radiator core body 103 is dismantled and changed.
Selectively, as shown in Figure 4, Figure 5, cold end heat-sink unit 100 could be arranged to two or more, and using in parallel
Mode install, can be used alternatingly between cold end heat-sink unit 100, effectively improve the service life of cold end heat-sink unit 100；
Can also be when increase radiating efficiency be needed, selection cold end heat-sink unit 100 is used simultaneously, it can be ensured that whole cooling system
The cooling effectiveness of system.
Selectively, as shown in Figure 4, Figure 5, in the cooling system for the wind power generating set that one embodiment of the invention is provided,
When cold end heat-sink unit 100 is in parallel by two or more, also include：
4th stop valve 110, respectively set with it is in parallel after cold end heat-sink unit 100 two ends pipeline on.Pass through
4th stop valve 110 controls the opening and closing of whole cold end heat-sink units, need whole machine maintenance shut-downs when, or emergency,
During accident, the 4th stop valve 110 can be closed.
Selectively, as shown in figure 5, pump group unit 500 could be arranged to two or more, and pacified by the way of in parallel
It can be used alternatingly between dress, pump group unit 500, so as to effectively improve the service life of pump group unit 500, reduce the hair of failure
It is raw；It can also persistently be used using one of pump group unit 500, after the failure of this pump group unit, start other pumps
Group unit 500, it is ensured that in the case of wind regime is with favourable conditions, whole machine is not shut down caused by the reason that radiates, so that wind-force is effectively ensured
The stability and reliability of generating set operation.
Selectively, as shown in fig. 6, in the cooling system for the wind power generating set that one embodiment of the invention is provided, passing through
Two sets of pump group units 500 and cold end heat-sink unit 100 are connected with hot-side heat dissipation unit 600, jointly to hot-side heat dissipation unit 600
Refrigerating medium is radiated；Selectively, two sets of pump group units 500 and cold end heat-sink unit share bypass line.
Selectively, one embodiment of the invention provide cooling system in, generator 700 be direct drive generator or its
He is used for the generator of wind power generating set；When using direct drive generator, when wind power generating set is run, because loss is produced
Corresponding heat.Now, under the effect of pump group unit 500, refrigerating medium enters hot-side heat dissipation unit 600, in hot-side heat dissipation unit
Under 600 first circulation blower fan 612 is acted on, the heat that generator 800 is produced is brought into hot-side heat dissipation unit 600, with load
Cryogen is swapped, refrigerating medium heating, and the air-flow that hot-side heat dissipation unit 600 is entered in the cabin 700 of generating set cools, in heat
End heat-sink unit 600 is cooled down to generator 800 again in the presence of first circulation blower fan 612, and refrigerating medium is in pump group
Unit 500 enters liquid back pipe road 202 under acting on from hot-side heat dissipation unit 600, and returns liquid temperature degree or generating set according to actual
Internal return air temperature, determines the opening degree of regulating valve 205, when temperature is less than setting value, opens regulating valve 205, and works as
When entering cold end heat-sink unit 100, refrigerating medium and the surrounding air of heating carry out heat exchange, and ambient, cool air passes through certainly
So pneumatic pressure overcomes resistance to enter cold end heat exchange unit 100 or single by setting second circulation blower fan 104 to enter cold end radiating
Member, refrigerating medium in cold end heat-sink unit 100 by realizing the heat exchange with surrounding air, and the refrigerating medium after cooling is in pump group unit
Hot-side heat dissipation unit 600 is again introduced into by liquid feeding pipeline 201 in the presence of 500, realizes that what is repeated takes heat out of generator
Group.And when environmental working condition humidity is larger, when generator 800 will start, the heater 505 on pump group unit 500 is opened, bypass pipe
Road is fully opened, and realizes the baking tide to Wind turbines, it is ensured that the security of Wind turbines.It is too long or scattered when system service life
When hot device failure starts a leak, when there is the phenomenon of leakage especially for hot-side heat dissipation unit, linear water immersion switch 802 will can be detected
Signal feed back to controller, once leakage, in time stop unit carry out maintenance replacing, prevent from causing the loss of Wind turbines.
Refrigerating medium can be water or alcohol solution, and refrigerating medium can also be the composition or solution that other can exchange heat.
The embodiment of the present invention also provides a kind of wind power generating set, and it includes the wind-power electricity generation of any of the above embodiment offer
The cooling system of unit.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.In not be the same as Example
The different technologies feature of middle appearance can be combined, to obtain beneficial effect.Those skilled in the art are in studying accompanying drawing, explanation
On the basis of book and claims, the embodiment of other changes of disclosed embodiment is will be understood that and realized.In right
In claim, term " comprising " is not precluded from other devices or step；Indefinite article " one " is not excluded for multiple；Term " the
One ", " second " is used to indicate title not for any specific order of expression.Any reference in claim is not
It should be understood limiting of its scope.The function of some occurred in claim can be by a single hardware
Or software module is realized.Some technical characteristics appear in that be not meant in different dependent claims can not be by these skills
Art feature is combined to obtain beneficial effect.
Claims (18)
1. a kind of cooling system of wind power generating set, it is characterised in that including：
One or more hot-side heat dissipation unit (600) in parallel, is arranged at the cabin (700) and hair by wind power generating set
On stator support (801) in the closing space (900) that motor (800) connection is formed, to be dissipated to the generator (800)
Heat；
One or more cold end heat-sink unit (100) in parallel, is arranged at the closing space (900 outside and energy
Enough and air ambient carries out heat exchange；
Liquid feeding pipeline (201), one end is connected with the cold end refrigerating medium outlet (102) of the cold end heat-sink unit (100), the other end
Connected with the hot junction refrigerating medium entrance (601) of the hot-side heat dissipation unit (600)；
Liquid back pipe road (202), one end is connected with the hot junction refrigerating medium outlet (602) of the hot-side heat dissipation unit (600), the other end
Connected with the cold end refrigerating medium entrance (101) of the cold end heat-sink unit (100)；
One or more pump group unit (500) in parallel, is arranged at the liquid feeding pipeline (201) or the liquid back pipe road
(202) on, for driving refrigerating medium to be circulated between the cold end heat-sink unit (100) and the hot-side heat dissipation unit (600)；
Controller, for controlling the pump group unit (500).
2. cooling system as claimed in claim 1, it is characterised in that
The pump group unit (500), including：
Pump group (501), for drive refrigerating medium the cold end heat-sink unit (100) and the hot-side heat dissipation unit (600) it
Between circulate.
3. cooling system as claimed in claim 2, it is characterised in that
The pump group unit (500), also includes：
Filter (502), is arranged at the pipeline of the pump group (501) upstream, for the refrigerating medium to flowing through pump group unit (500)
Filtered；
Blowoff valve (503), the impurity for the filter (502) to be filtered is discharged；
Check-valves (504), is arranged at the pipeline in the pump group (501) downstream, for preventing that refrigerating medium from flowing backwards in pipeline.
4. cooling system as claimed in claim 2, it is characterised in that
The cooling system, also includes：
Flow sensor (203), is arranged on the pipeline where the pump group unit (500), for refrigerating medium in signal piping
Flow signal, and the flow signal is sent to the controller；
Correspondingly, the controller, is additionally operable to control the power of the pump group (501) according to the flow signal.
5. cooling system as claimed in claim 2, it is characterised in that
The cooling system, also including bypass line (204), one end and the liquid feeding pipeline of the bypass line (204)
(201) connect, the other end is connected with the liquid back pipe road (202), regulating valve (205) is provided with the bypass line (204)；
The pump group unit (500) is arranged at the liquid feeding pipeline (201) and positioned at the downstream of the bypass line (205), or
The pump group unit (500) is arranged at the liquid back pipe road (202) and positioned at the upstream of the bypass line (204)；
Correspondingly, the controller is additionally operable to control the regulating valve (205).
6. cooling system as claimed in claim 2, it is characterised in that
The pump group unit (500), also includes：
First pressure sensor (511), is arranged at the pipeline of the pump group (501) upstream, for refrigerating medium in signal piping
First pressure, and the first pressure is sent to the controller；
Second pressure sensor (512), is arranged at the pipeline in the pump group (501) downstream, for refrigerating medium in signal piping
Second pressure, and the second pressure is sent to the controller.
7. cooling system as claimed in claim 5, it is characterised in that
The pump group unit (500), also includes：
Heater (505), for being heated to the refrigerating medium for flowing through the pump group unit (500)；
Correspondingly, the controller is additionally operable to control the heating power of the heater (505).
8. cooling system as claimed in claim 7, it is characterised in that
The pump group unit (500), also includes：
First temperature sensor (521), is arranged at the pipeline of the heater (505) upstream, for refrigerating medium in signal piping
The first temperature；
Second temperature sensor (522), is arranged at the pipeline in the heater (505) downstream, for refrigerating medium in signal piping
Second temperature；
The controller, is additionally operable to control the heating of the heater (505) according to the temperature difference of the first temperature and second temperature
The power of the aperture and/or the pump group (501) of power and/or the regulating valve (205).
9. cooling system as claimed in claim 1, it is characterised in that
The hot-side heat dissipation unit (600), including hot-side heat dissipation device module (610), the hot-side heat dissipation device module (610) are embedded
Formula is arranged on the stator support (801).
10. cooling system as claimed in claim 9, it is characterised in that
The hot-side heat dissipation device module (610), including：
Hot-side heat dissipation device core body (611), the heat for absorbing the generator (800)；
First circulation blower fan (612), for air-flow to be blowed into the hot-side heat dissipation device core body (611), the first circulation blower fan
Electrically connected with the controller.
11. cooling system as claimed in claim 10, it is characterised in that
The hot-side heat dissipation device module (610), also includes：
Hot junction air bleeding valve (613), is arranged at the hot-side heat dissipation device core body (611), for by the hot-side heat dissipation device core body
(611) the gas discharge in；
And/or, hot junction tapping valve (614) is arranged at the hot-side heat dissipation device core body (611), for by the hot-side heat dissipation device
Refrigerating medium discharge in core body (611).
12. cooling system as claimed in claim 10, it is characterised in that
The hot-side heat dissipation unit (600), also includes：
On three-temperature sensor (603), the pipeline for being arranged at hot-side heat dissipation device core body (611) outlet, for detecting
The 3rd temperature of hot-side heat dissipation device core body (611) outlet is stated, and the 3rd temperature is sent to the controller；
Correspondingly, the controller, is additionally operable to the rotating speed of the first circulation blower fan (612) according to the 3rd temperature control
And/or the power of the pump group (501).
13. cooling system as claimed in claim 10, it is characterised in that
The hot-side heat dissipation unit (600), also includes：
On 3rd pressure sensor (604), the pipeline for being arranged at hot-side heat dissipation device core body (611) outlet, for detecting
The 3rd pressure of hot-side heat dissipation device core body (611) outlet is stated, and the 3rd pressure is sent to the controller.
14. cooling system as claimed in claim 1, it is characterised in that
The cold end heat-sink unit (100), including：
Cold end radiator core body (103), for releasing heat into air ambient；
Second circulation blower fan (104), for air-flow to be blowed into the cold end radiator core body (103), the second circulation blower fan
(104) it is connected with the controller.
15. cooling system as claimed in claim 14, it is characterised in that
The cold end heat-sink unit (100), also includes：
Cold end air bleeding valve (105), is arranged at the cold end radiator core body (103), for by the cold end radiator core body
103) the gas discharge in；
Cold end tapping valve (106), is arranged at the cold end radiator core body (103), for by the cold end radiator core body
(103) the refrigerating medium discharge in.
16. the cooling system as described in one of claim 14-15, it is characterised in that
The cold end heat-sink unit (100) is arranged at the outside of the cabin (700)；Or, the cold end heat-sink unit (100)
The inside of the cabin (700) is arranged at, and air inlet and air outlet are offered on the bulkhead of the cabin (700)
(701), the cold end heat-sink unit (100) is arranged between the air inlet and the air outlet (701).
17. cooling system as claimed in claim 1, it is characterised in that also include：
Linear water immersion switch (802), is arranged at the hot-side heat dissipation unit (600), goes out for the hot-side heat dissipation unit (600)
Leakage signal is detected during existing leakage, and the leakage signal is sent to the controller；
Correspondingly, the controller, is additionally operable to control the pump group unit (500) to shut down and/or control according to the leakage signal
Each valve for making the cooling system is closed.
18. a kind of wind power generating set, it is characterised in that it includes the wind power generating set described in one of claim 1-17
Cooling system.
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| CN201710167705.6A CN106939877B (en) | 2017-03-16 | 2017-03-16 | The cooling system and wind power generating set of wind power generating set |
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| CN201710167705.6A CN106939877B (en) | 2017-03-16 | 2017-03-16 | The cooling system and wind power generating set of wind power generating set |
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| CN106939877B CN106939877B (en) | 2019-05-17 |
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| AU2020266630B2 (en) * | 2019-04-30 | 2023-08-31 | Goldwind Science & Technology Co., Ltd. | Heat exchange system and motor |
| US11770050B2 (en) | 2019-04-30 | 2023-09-26 | Xinjiang Goldwind Science & Technology Co., Ltd. | Heat exchange system and motor |
| CN113775487A (en) * | 2020-06-09 | 2021-12-10 | 新疆金风科技股份有限公司 | Cooling system and wind generating set |
| WO2021248715A1 (en) * | 2020-06-09 | 2021-12-16 | 新疆金风科技股份有限公司 | Cooling system and wind power generator set |
| WO2021248717A1 (en) * | 2020-06-09 | 2021-12-16 | 新疆金风科技股份有限公司 | Cooling system, and wind turbine |
| WO2021248716A1 (en) * | 2020-06-09 | 2021-12-16 | 新疆金风科技股份有限公司 | Cooling system and wind power generating set |
| EP4130469A4 (en) * | 2020-06-09 | 2023-09-27 | Xinjiang Goldwind Science & Technology Co., Ltd. | Cooling system and wind power generating set |
| US11885310B2 (en) | 2020-06-09 | 2024-01-30 | Xinjiang Goldwind Science & Technology Co., Ltd. | Cooling system and wind power generator set |
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| Publication number | Publication date |
|---|---|
| CN106939877B (en) | 2019-05-17 |
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