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CN-122026669-A - Water cooling system of wind driven generator

CN122026669ACN 122026669 ACN122026669 ACN 122026669ACN-122026669-A

Abstract

The invention discloses a water cooling system of a wind driven generator, which belongs to the technical field of wind power generation and comprises a cabin, wherein a gear box is arranged in the cabin, the other end of the gear box is connected with a transmission main shaft, a generator is arranged in the cabin, the transmission main shaft is connected with an output shaft of the generator through a coupler, a water tank is arranged in the cabin through a supporting structure, water flow in the water tank intensively conveys cooling water into a water guiding heat dissipation shell by means of power of the transmission main shaft, the water guiding heat dissipation shell naturally returns water into the water tank through gravity, and under the condition of high wind speed, the transmission main shaft rotates at a high speed, and a bidirectional screw rod is driven to rotate rapidly by the high speed, so that a water baffle is pushed to rapidly push the water flow to perform cooling circulation, the power of the generator can be adapted to rapid cooling circulation, an extra power source is not required to be erected, and the power energy consumption is reduced.

Inventors

  • WANG NAN
  • XU ZHIWEI
  • LI HUAJUN
  • WU SHIRONG
  • LI SONG

Assignees

  • 华能会理风力发电有限公司

Dates

Publication Date
20260512
Application Date
20260414

Claims (10)

  1. 1. The utility model provides a wind-driven generator water cooling system, includes cabin (100), the internally mounted of cabin (100) has gear box (101), the other end of gear box (101) is connected with transmission main shaft (102), the internally mounted of cabin (100) has generator (103), transmission main shaft (102) are connected with the output shaft of generator (103) through the shaft coupling, wherein water tank (105) are installed through bearing structure to the inside of cabin (100), the inside center department of water tank (105) rotates and is connected with two-way lead screw (106), the outside threaded connection of two-way lead screw (106) has breakwater (108), the one end of two-way lead screw (106) runs through the outer wall of water tank (105) and fixedly connected with driven gear (107), the outside fixedly connected with driving gear (104) of transmission main shaft (102), driving gear (104) are connected with driven gear (107) meshing, the outside cover of generator (103) is equipped with water guide shell (112), the outside intercommunication of water tank (105) has water supply pipe (110), the water supply pipe (110) is linked together with the water inlet pipe (111) of water return (105) through the water return hole of water supply pipe (110).
  2. 2. The wind driven generator water cooling system according to claim 1, wherein a plurality of moving grooves (200) are formed in the outer portion of the water baffle plate (108), a moving plate (201) is connected to the inner portion of the moving groove (200) in a sliding mode, a pushing air bag (202) is fixedly connected to the bottom of the moving plate (201), an air pump (203) is fixedly connected to the upper portion of the water tank (105), an air supply pipe (204) is communicated with an air outlet of the air pump (203), one end, far away from the air pump (203), of the air supply pipe (204) penetrates through the outer wall of the water tank (105) and is communicated with an electric control diverter valve pipe (205), the electric control diverter valve pipe (205) is installed in the water baffle plate (108), and a plurality of air outlets of the electric control diverter valve pipe (205) are respectively communicated with air inlets of the pushing air bags (202).
  3. 3. The wind driven generator water cooling system according to claim 2, wherein a plurality of piston telescopic bags (300) are arranged outside the water baffle (108), air outlets of the piston telescopic bags (300) penetrate through the outer wall of the water baffle (108) and are communicated with the pushing air bag (202), the other end of the piston telescopic bags (300) are fixedly connected with the inner wall of the water tank (105), an air inlet and outlet pipe (301) is communicated with the outer portion of the piston telescopic bags (300), and air inlet and outlet openings of the air inlet and outlet pipe (301) penetrate through the outer wall of the water tank (105) and are communicated with a regulating valve (302).
  4. 4. A wind turbine water cooling system according to claim 3, wherein a shape memory alloy (400) is fixedly connected to the inside of the pushing air bag (202), one end of the shape memory alloy (400) is fixedly connected to the outside of the moving plate (201), and the other end of the shape memory alloy (400) penetrates through the outer wall of the pushing air bag (202) and is fixedly connected to the inner bottom wall of the moving groove (200).
  5. 5. The water cooling system of the wind driven generator according to claim 1, wherein a plurality of water through holes (500) are formed in the outer portion of the water baffle plate (108), and a water through one-way valve plate (501) is hinged to the outer portion of the water through holes (500).
  6. 6. The water cooling system of a wind driven generator according to claim 1, wherein a guide rod (109) is fixedly connected to the inside of the water tank (105), and the guide rod (109) penetrates through the outer wall of the water baffle (108).
  7. 7. The wind turbine water cooling system according to claim 1, wherein the supporting structure comprises a bottom fixing seat (601), the bottom fixing seat (601) is fixedly connected to the inner bottom wall of the nacelle (100), at least four adjusting cylinders (602) are mounted on the bottom fixing seat (601), an output shaft of each adjusting cylinder (602) is connected with a bearing seat (600) through a spherical joint, and the bidirectional screw rod (106) is placed on the bearing seat (600).
  8. 8. The water cooling system of a wind driven generator according to claim 1, wherein the water outlet of the water return pipe (111) is hinged with a water blocking one-way valve plate (800).
  9. 9. A wind turbine water cooling system according to claim 1, wherein a first temperature sensor (700) is fixedly connected to the inside of the water tank (105), and a second temperature sensor (701) is mounted to the outside of the generator (103).
  10. 10. The water cooling system of a wind driven generator according to claim 1, wherein a plurality of water guiding heat dissipation fins (900) are fixedly connected to the inside of the water guiding heat dissipation shell (112).

Description

Water cooling system of wind driven generator Technical Field The invention relates to the technical field of wind power generation, in particular to a water cooling system of a wind power generator. Background Wind power generation is used as a core utilization form of clean and renewable energy, and when the wind power generator works, the fan blades capture wind energy and transmit the wind energy to the generator through a transmission system, so that the conversion of mechanical energy into electric energy is completed. In this process, copper loss and iron loss are generated by electromagnetic induction of the stator and the rotor in the generator, and a great amount of heat is released by friction action of the transmission parts and continuous operation of auxiliary electronic equipment. If the heat cannot be timely and efficiently dissipated, the temperature in the engine room is continuously increased, so that the aging of insulating materials is accelerated, the service life of core components is shortened, faults such as overload protection and short circuit of equipment can be possibly caused, and the power generation efficiency and the operation stability are seriously affected. In the existing wind driven generator, part of the system relies on electronic devices such as an additional motor, a water pump and the like to drive a heat dissipation part, so that the problems of high energy consumption, multiple fault points and high maintenance cost exist, the water flow pressure and flow of the part of the system are completely determined by the rotation speed of a main shaft, the heat dissipation efficiency is insufficient when the wind speed is too low, excessive cooling is easy to occur when the wind speed is too high or the generator is low in load, the adaptability and the regulation flexibility are poor, meanwhile, the traditional heat dissipation structure is strict in sealing requirement and easy to be influenced by environmental factors, and a redundancy protection mechanism is lacked, and heat dissipation failure is easy to be caused when the key part is in fault. Disclosure of Invention The invention aims to provide a water cooling system of a wind driven generator, which is used for solving the problems in the background technology. The wind driven generator water cooling system comprises a cabin, a gear box is arranged in the cabin, a transmission main shaft is connected to the other end of the gear box, a generator is arranged in the cabin, the transmission main shaft is connected with an output shaft of the generator through a coupler, a water tank is arranged in the cabin through a supporting structure, a bidirectional screw rod is rotatably connected to the center of the inside of the water tank, a water baffle is connected to the external threads of the bidirectional screw rod, one end of the bidirectional screw rod penetrates through the outer wall of the water tank and is fixedly connected with a driven gear, a driving gear is fixedly connected to the outside of the transmission main shaft and is in meshed connection with the driven gear, a water guide and heat dissipation shell is sleeved outside the generator, a water delivery pipe is communicated to the outside of the water tank, one end of the water delivery pipe is communicated with a water inlet of the generator, and a water outlet of the water guide and heat dissipation shell is communicated with the water inlet of the water tank through a water return pipe. Preferably, the outside of breakwater has seted up a plurality of movable tanks, the inside sliding connection in movable tank has the movable plate, the bottom fixedly connected with of movable plate promotes the gasbag, the top fixedly connected with air pump of water tank, the gas outlet intercommunication of air pump has the air pipe, the one end that the air pipe was kept away from the air pump runs through the outer wall of water tank and communicates there is automatically controlled shunt valve pipe, automatically controlled shunt valve pipe install in the inside of breakwater, a plurality of gas outlets of automatically controlled shunt valve pipe are linked together with a plurality of air inlets that promote the gasbag respectively. Preferably, the outside of breakwater has a plurality of piston flexible bag bodies, and the gas outlet of a plurality of piston flexible bag bodies runs through the outer wall of breakwater and is linked together with promoting the gasbag, the other end of piston flexible bag body with the inner wall fixed connection of water tank, the outside intercommunication of piston flexible bag body has the business turn over trachea, the business turn over gas port of business turn over trachea runs through the outer wall of water tank and communicates there is the governing valve. Preferably, the inside of the pushing air bag is fixedly connected with a shape memory alloy, one end of the shape memory alloy is fixedly connected with