CN111677638B - Built-in cooling device for wind driven generator - Google Patents

Built-in cooling device for wind driven generator Download PDF

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Publication number
CN111677638B
CN111677638B CN202010570020.8A CN202010570020A CN111677638B CN 111677638 B CN111677638 B CN 111677638B CN 202010570020 A CN202010570020 A CN 202010570020A CN 111677638 B CN111677638 B CN 111677638B
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China
Prior art keywords
cooling
heat dissipation
generator
water storage
cooling liquid
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CN202010570020.8A
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CN111677638A (en
Inventor
赵浩
李洪武
马如远
周丽
王成贤
许聚武
王挺
丁立军
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Jiaxing University
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Jiaxing University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting
    • 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

Abstract

The invention discloses a built-in cooling device for a wind driven generator, relates to the technical field of wind power generation, and solves the problems that the cooling device for the existing wind driven generator is low in cooling speed and poor in cooling effect and is easy to cause the working fault of the generator; the generator main body is fixedly arranged in the wind driven generator; the ventilation device is fixedly arranged on the inner side of the tail part of the wind driven generator; the heat dissipation device is arranged on the outer side of the tail of the wind driven generator; the generator cooling water inlet and outlet pipe, the cooling liquid circulating driving piece, the cooling liquid inlet pipe and the cooling liquid outlet pipe are connected through pipelines. The device can be faster give off the heat, improves the radiating efficiency, utilizes the evaporation of rainwater, cools off the coolant liquid, improves cooling rate, increases cooling efficiency, has guaranteed the normal work of generator, has improved the rainwater value of utilizing, can cool off the coolant liquid through the mode of forced air cooling, has good practicality.

Description

Built-in cooling device for wind driven generator
Technical Field
The invention relates to the technical field of wind power generation, in particular to a built-in cooling device for a wind power generator.
Background
Wind power generation is a process of converting kinetic energy of wind into mechanical kinetic energy and then converting mechanical energy into electric energy, and is very environment-friendly and huge in wind energy, so that the wind power generation is increasingly emphasized by all countries in the world, a generator can generate a large amount of heat in the wind power generation process, and the generator cannot work normally if the heat is not dissipated for a long time, so that a generator cooling device is generally arranged in the wind power generation process.
For example, application No.: CN201810654556.0 the invention provides a cooling system for a wind generating set and the wind generating set. Wind generating set includes cabin cover, kuppe, wheel hub and generator dead axle, and the generator dead axle is for being formed with the hollow shaft of perforating hole, and wherein, cooling system includes: the air inlet is formed on the cabin cover; the air outlet is formed on the air guide sleeve; and the flow guide device is arranged in the through hole, so that air entering from the air inlet flows through the through hole and enters the hub to dissipate heat of the wind generating set. According to the heat dissipation system, the flow guide device is arranged in the through hole of the fixed shaft of the generator, so that the flow guide device and the hub can be prevented from rotating together, the service life of the flow guide device can be prolonged, and the maintenance and replacement of the flow guide device can be facilitated.
Based on the above, the existing cooling device for the wind driven generator generally adopts an air cooling structure to cool the generator, so that the cooling speed is slow, the generator cannot be cooled in time, the cooling effect is poor, and the working fault of the generator is easily caused; therefore, the existing requirements are not met, and a built-in cooling device for the wind driven generator is provided for the existing requirements.
Disclosure of Invention
The invention aims to provide a built-in cooling device for a wind driven generator, and aims to solve the problems that the existing cooling device for the wind driven generator in the background art generally adopts an air cooling structure to cool the generator, has low cooling speed, cannot cool the generator in time, has poor cooling effect and is easy to cause the working fault of the generator.
In order to achieve the purpose, the invention provides the following technical scheme: a built-in cooling device for a wind driven generator comprises a generator main body, a water storage device, a cooling liquid circulating driving piece, a spraying driving piece, a ventilating device, a heat dissipation device and a rain collecting device; the generator main body is fixedly arranged in the wind driven generator; the water storage device is fixedly arranged in a support tower of the wind driven generator; the cooling liquid circulating driving piece is fixedly arranged in the wind driven generator; the spraying driving part is fixedly arranged in the wind driven generator; the ventilation device is fixedly arranged on the inner side of the tail part of the wind driven generator; the heat dissipation device is arranged on the outer side of the tail of the wind driven generator; the rain collecting device is arranged at the top of the wind driven generator; the rain collecting device also comprises a rainwater outlet, and the bottom of the rain collecting device is provided with a group of rainwater outlets; the water storage device also comprises a water storage inlet pipe, and the top of the water storage device is provided with a group of water storage inlet pipes; the rainwater outlet is connected with the water storage inlet pipe through a pipeline; the water storage device also comprises a water storage outlet pipe, and a group of water storage outlet pipes are arranged at the lower part of the left side of the water storage device; the heat dissipation device also comprises a heat dissipation water inlet pipe, and the top of the heat dissipation device is provided with a group of heat dissipation water inlet pipes; the water storage water outlet pipe, the spraying driving part and the heat dissipation water inlet pipe are connected through pipelines; the heat dissipation device also comprises a cooling water collection tray and a heat dissipation water return pipe, wherein the bottom of the heat dissipation device is provided with a group of cooling water collection trays, and the bottom of the cooling water collection trays is provided with a group of heat dissipation water return pipes; the heat dissipation water return pipe is connected with the water storage water inlet pipe through a pipeline; the heat dissipation device also comprises a cooling liquid inlet pipe and a cooling liquid outlet pipe, and the front end surface of the heat dissipation device is provided with a group of cooling liquid inlet pipes and a group of cooling liquid outlet pipes; the generator main body also comprises a generator cooling water inlet and outlet pipe, and two groups of generator cooling water inlet and outlet pipes are arranged on the left side of the lower part of the generator main body; the generator cooling water inlet and outlet pipe, the cooling liquid circulating driving piece, the cooling liquid inlet pipe and the cooling liquid outlet pipe are connected through pipelines.
Preferably, the generator main body further comprises radiating fins, and a plurality of groups of flaky radiating fins are uniformly distributed on the outer side of the generator main body.
Preferably, the generator main body further comprises a radiating pipe, a group of radiating pipes are arranged on the inner side of the outer wall of the generator main body, and the radiating pipes are of an S-shaped winding structure.
Preferably, the rain collecting device further comprises a filter screen, the top of the rain collecting device is of a bell mouth structure, and a group of filter screens is arranged on the upper portion of the rain collecting device.
Preferably, the rain collecting device further comprises a rain collecting plate, a group of rain collecting plates are arranged at the bottom of the rain collecting device, the rain collecting plates are of an inclined structure, and the rain collecting plates are inclined towards the rainwater outlet.
Preferably, the water storage device further comprises a water storage overflow pipe, and a group of water storage overflow pipes are arranged on the left side of the upper portion of the water storage device.
Preferably, the heat dissipation device further comprises a heat dissipation water separator and a spraying seam, the top of the heat dissipation device is provided with a group of heat dissipation water separator, the top of the heat dissipation water separator is provided with a group of heat dissipation water inlet pipe, and the bottom of the heat dissipation water separator is provided with six groups of spraying seams with narrow and small gaps.
Preferably, the heat dissipation device further comprises a cooling liquid collector and cooling liquid cooling pipes, six groups of cooling liquid collectors are arranged around the heat dissipation device, a plurality of groups of cooling liquid cooling pipes are fixedly connected between the front group of cooling liquid collectors and the rear group of cooling liquid collectors, adjacent cooling liquid collectors are connected through pipelines, and the left group of cooling liquid cooling pipes and the right group of cooling liquid cooling pipes are arranged in a staggered mode.
Compared with the prior art, the invention has the beneficial effects that:
the device goes on the generator through the coolant liquid, can give off the heat faster, improve the radiating efficiency, the device collects the rainwater through album rain device simultaneously, and utilize the evaporation of rainwater under heat abstractor and the ventilation unit effect, cool off the coolant liquid, improve cooling rate, increase cooling efficiency, the normal work of generator has been guaranteed, can carry out abundant utilization to the rainwater, the rainwater use value has been improved, can cool off the coolant liquid through the mode of forced air cooling when not having the rainwater simultaneously, and has good practicality.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic diagram of the main shaft side structure of the generator of the present invention;
FIG. 3 is a schematic view of the axial side structure of the heat pipe of the present invention;
FIG. 4 is a schematic axial-side view of the heat dissipation device of the present invention;
FIG. 5 is a schematic isometric sectional view of a heat dissipation device of the present invention;
FIG. 6 is a schematic isometric view of a coolant cooling tube according to the present invention;
FIG. 7 is a schematic isometric sectional view of the heat rejection water knockout vessel of the present invention;
FIG. 8 is a schematic cross-sectional view of the rain collecting device of the present invention;
in the figure: 1. a generator main body; 101. a heat sink; 102. a radiating pipe; 103. a cooling water inlet and outlet pipe of the generator; 2. a water storage device; 201. a water storage and inlet pipe; 202. a water storage and outlet pipe; 203. a water storage overflow pipe; 3. a coolant circulation drive member; 4. a spray drive; 5. a ventilation device; 6. a heat sink; 601. a heat-dissipating water separator; 602. a heat radiation water inlet pipe; 603. spraying a seam; 604. a coolant liquid collector; 605. a coolant inlet pipe; 606. a coolant outlet pipe; 607. a coolant cooling tube; 608. cooling the water collection tray; 609. a heat dissipation water return pipe; 7. a rain collecting device; 701. a filter screen; 702. a rainwater collection plate; 703. and a rainwater outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a built-in cooling device for a wind driven generator comprises a generator main body 1, a water storage device 2, a cooling liquid circulating driving piece 3, a spraying driving piece 4, a ventilation device 5, a heat dissipation device 6 and a rain collecting device 7; the generator main body 1 is tightly installed in the wind driven generator; the water storage device 2 is fixedly arranged in a support tower of the wind driven generator; the cooling liquid circulating driving piece 3 is fixedly arranged in the wind driven generator; the spraying driving part 4 is fixedly arranged in the wind driven generator; the ventilation device 5 is fixedly arranged on the inner side of the tail part of the wind driven generator; the heat dissipation device 6 is arranged on the outer side of the tail part of the wind driven generator; the rain collecting device 7 is arranged at the top of the wind driven generator; the rain collecting device 7 also comprises a rainwater outlet 703, and the bottom of the rain collecting device 7 is provided with a group of rainwater outlets 703; the water storage device 2 also comprises a water storage inlet pipe 201, and the top of the water storage device 2 is provided with a group of water storage inlet pipes 201; the rainwater outlet 703 is connected with the water storage inlet pipe 201 through a pipeline; the water storage device 2 also comprises a water storage outlet pipe 202, and the lower part of the left side of the water storage device 2 is provided with a group of water storage outlet pipes 202; the heat sink 6 further comprises a heat radiation water inlet pipe 602, and a group of heat radiation water inlet pipes 602 are arranged at the top of the heat sink 6; the water storage water outlet pipe 202, the spray driving part 4 and the heat radiation water inlet pipe 602 are connected through pipelines; the heat dissipation device 6 further comprises a cooling water collection tray 608 and a heat dissipation water return pipe 609, the bottom of the heat dissipation device 6 is provided with a group of cooling water collection trays 608, and the bottom of the cooling water collection trays 608 is provided with a group of heat dissipation water return pipes 609; the heat dissipation water return pipe 609 is connected with the water storage water inlet pipe 201 through a pipeline; the heat sink 6 further comprises a coolant inlet pipe 605 and a coolant outlet pipe 606, and the front end surface of the heat sink 6 is provided with a group of coolant inlet pipes 605 and a group of coolant outlet pipes 606; the generator main body 1 further comprises a generator cooling water inlet and outlet pipe 103, and two groups of generator cooling water inlet and outlet pipes 103 are arranged on the left side of the lower part of the generator main body 1; the generator cooling water inlet and outlet pipe 103, the cooling liquid circulating driving member 3, the cooling liquid inlet pipe 605 and the cooling liquid outlet pipe 606 are connected through pipelines.
Further, the generator body 1 further comprises a plurality of groups of sheet-shaped cooling fins 101, wherein the plurality of groups of sheet-shaped cooling fins 101 are uniformly distributed on the outer side of the generator body 1, and the generator body 1 is cooled through the sheet-shaped cooling fins 101 in use.
Further, the generator body 1 further comprises a heat dissipation pipe 102, a set of heat dissipation pipes 102 is disposed inside the outer wall of the generator body 1, the heat dissipation pipe 102 is an S-shaped winding structure, and in use, the heat is dissipated to the generator body 1 through the cooling liquid in the heat dissipation pipe 102.
Further, rain collecting device 7 is still including filter screen 701, and rain collecting device 7's top is the horn mouth structure, and rain collecting device 7's upper portion is provided with a set of filter screen 701, and in use improves rain collecting capacity through the horn mouth structure, filters the rainwater through filter screen 701 simultaneously, prevents that impurity from getting into rain collecting device 7 and causing the pipeline to block up.
Further, rain collecting device 7 still includes rain collecting plate 702, and rain collecting device 7's bottom is provided with a set of rain collecting plate 702, and rain collecting plate 702 is the slope structure, and rain collecting plate 702 inclines towards rainwater delivery port 703, and in use makes things convenient for the quick collection of rainwater when collecting the rainwater rivers to rainwater delivery port 703 department in rain collecting device 7 through rain collecting plate 702 conveniently.
Further, the water storage device 2 further comprises a water storage overflow pipe 203, a group of water storage overflow pipes 203 are arranged on the left side of the upper portion of the water storage device 2, and when excessive rainwater is collected in the water storage device 2 in use, the rainwater overflows through the water storage overflow pipes 203.
Further, the heat dissipation device 6 further comprises a heat dissipation water separator 601 and a spraying seam 603, a group of heat dissipation water separator 601 is arranged at the top of the heat dissipation device 6, a group of heat dissipation water inlet pipe 602 is arranged at the top of the heat dissipation water separator 601, six groups of spraying seams 603 with narrow gaps are formed in the bottom of the heat dissipation water separator 601, and in use, water entering through the heat dissipation water inlet pipe 602 gathers in the heat dissipation water separator 601 and is sprayed out from the spraying seams 603 under the action of pressure.
Further, the heat dissipation device 6 further comprises a cooling liquid collector 604 and cooling liquid cooling pipes 607, six sets of cooling liquid collectors 604 are arranged at the front and the rear of the heat dissipation device 6, a plurality of sets of cooling liquid cooling pipes 607 are fixedly connected between the front and the rear sets of cooling liquid collectors 604, the adjacent cooling liquid collectors 604 are connected through a pipeline, the left and the right adjacent sets of cooling liquid cooling pipes 607 are arranged in a staggered mode, in use, cooling liquid entering from the cooling liquid inlet pipe 605 gathers in the cooling liquid collectors 604, then disperses into the cooling liquid cooling pipes 607, cools in the cooling liquid cooling pipes 607, and cools components under the action of the multistage cooling liquid collectors 604 and the cooling liquid cooling pipes 607.
The working principle is as follows: when the rainwater collecting device is used, rainwater is collected through the rainwater collecting device 7 when raining, the rainwater is filtered through the filter screen 701, impurities are prevented from entering the rainwater collecting device 7 to cause pipeline congestion, rainwater in the rainwater collecting device 7 can flow to the rainwater outlet 703 conveniently through the rainwater collecting plate 702, rapid collection of the rainwater is facilitated, the rainwater collected by the rainwater collecting device 7 flows into the water storage device 2, and when more rainwater is collected by the water storage device 2, the rainwater overflows through the water storage overflow pipe 203; when the cooling water circulation driving device is used, the spray driving device 4 pumps water in the water storage device 2 into the heat dissipation water separator 601, water entering the heat dissipation water inlet pipe 602 is collected in the heat dissipation water separator 601, is sprayed out of the spray slits 603 under the action of pressure and is sprayed onto the cooling liquid cooling pipe 607, water on the cooling liquid cooling pipe 607 evaporates to take away heat under the air blowing of the heat dissipation device 6, cooling liquid in the cooling liquid cooling pipe 607 is cooled, residual water on the cooling liquid cooling pipe 607 is converged into the cooling water collection disc 608 and flows back into the water storage device 2 through the heat dissipation water return pipe 609, and the cooling liquid cooled under the action of the cooling liquid circulation driving device 3 enters the heat dissipation pipe 102 to cool the generator main body 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a aerogenerator is with built-in heat sink which characterized in that: comprises a generator main body (1), a water storage device (2), a cooling liquid circulating driving part (3), a spraying driving part (4), a ventilating device (5), a heat dissipation device (6) and a rain collecting device (7); the generator main body (1) is fixedly arranged in the wind driven generator; the water storage device (2) is fixedly arranged in a support tower of the wind driven generator; the cooling liquid circulating driving piece (3) is fixedly arranged in the wind driven generator; the spraying driving part (4) is fixedly arranged in the wind driven generator; the ventilation device (5) is fixedly arranged on the inner side of the tail part of the wind driven generator; the heat dissipation device (6) is arranged on the outer side of the tail of the wind driven generator; the rain collecting device (7) is arranged at the top of the wind driven generator; the rainwater collecting device (7) also comprises a rainwater outlet (703), and the bottom of the rainwater collecting device (7) is provided with a group of rainwater outlets (703); the water storage device (2) further comprises a water storage and inlet pipe (201), and a group of water storage and inlet pipes (201) are arranged at the top of the water storage device (2); the rainwater outlet (703) is connected with the water storage and inlet pipe (201) through a pipeline; the water storage device (2) also comprises a water storage outlet pipe (202), and the lower part of the left side of the water storage device (2) is provided with a group of water storage outlet pipes (202); the heat dissipation device (6) further comprises a heat dissipation water inlet pipe (602), and a group of heat dissipation water inlet pipes (602) are arranged at the top of the heat dissipation device (6); the water storage water outlet pipe (202), the spraying driving part (4) and the heat dissipation water inlet pipe (602) are connected through pipelines; the heat dissipation device (6) further comprises a cooling water collection tray (608) and a heat dissipation water return pipe (609), the bottom of the heat dissipation device (6) is provided with a group of cooling water collection trays (608), and the bottom of the cooling water collection trays (608) is provided with a group of heat dissipation water return pipes (609); the heat dissipation water return pipe (609) is connected with the water storage water inlet pipe (201) through a pipeline; the heat dissipation device (6) further comprises a cooling liquid inlet pipe (605) and a cooling liquid outlet pipe (606), and the front end face of the heat dissipation device (6) is provided with a group of cooling liquid inlet pipes (605) and a group of cooling liquid outlet pipes (606); the generator main body (1) further comprises generator cooling water inlet and outlet pipes (103), and two groups of generator cooling water inlet and outlet pipes (103) are arranged on the left side of the lower part of the generator main body (1); the generator cooling water inlet and outlet pipe (103), the cooling liquid circulating driving piece (3), the cooling liquid inlet pipe (605) and the cooling liquid outlet pipe (606) are connected through pipelines;
the heat dissipation device (6) further comprises heat dissipation water distributors (601) and spraying seams (603), a group of heat dissipation water distributors (601) is arranged at the top of the heat dissipation device (6), a group of heat dissipation water inlet pipes (602) is arranged at the top of the heat dissipation water distributors (601), and six groups of spraying seams (603) with narrow gaps are formed at the bottom of the heat dissipation water distributors (601);
the heat dissipation device (6) further comprises a cooling liquid collector (604) and cooling liquid cooling pipes (607), six groups of cooling liquid collectors (604) are arranged around the heat dissipation device (6), a plurality of groups of cooling liquid cooling pipes (607) are fixedly connected between the front and back groups of cooling liquid collectors (604), adjacent cooling liquid collectors (604) are connected through a pipeline, and the left and right adjacent groups of cooling liquid cooling pipes (607) are arranged in a staggered mode.
2. The built-in cooling device for the wind driven generator according to claim 1, wherein: the generator main body (1) further comprises radiating fins (101), and a plurality of groups of flaky radiating fins (101) are uniformly distributed on the outer side of the generator main body (1).
3. The built-in cooling device for the wind driven generator according to claim 1, wherein: the generator main body (1) further comprises a radiating pipe (102), a group of radiating pipes (102) are arranged on the inner side of the outer wall of the generator main body (1), and the radiating pipes (102) are of an S-shaped winding structure.
4. The built-in cooling device for the wind driven generator according to claim 1, wherein: the rain collecting device (7) further comprises a filter screen (701), the top of the rain collecting device (7) is of a horn mouth structure, and a group of filter screens (701) are arranged on the upper portion of the rain collecting device (7).
5. The built-in cooling device for the wind driven generator according to claim 1, wherein: the rainwater collection device (7) further comprises a rainwater collection plate (702), the bottom of the rainwater collection device (7) is provided with a group of rainwater collection plates (702), the rainwater collection plates (702) are of an inclined structure, and the rainwater collection plates (702) are inclined towards the rainwater outlet (703).
6. The built-in cooling device for the wind driven generator according to claim 1, wherein: the water storage device (2) further comprises a water storage overflow pipe (203), and a group of water storage overflow pipes (203) are arranged on the left side of the upper portion of the water storage device (2).
CN202010570020.8A 2020-06-21 2020-06-21 Built-in cooling device for wind driven generator Active CN111677638B (en)

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