CN116131528A - Generator heat abstractor and horizontal generator of horizontal hydroelectric set - Google Patents

Generator heat abstractor and horizontal generator of horizontal hydroelectric set Download PDF

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Publication number
CN116131528A
CN116131528A CN202310032544.5A CN202310032544A CN116131528A CN 116131528 A CN116131528 A CN 116131528A CN 202310032544 A CN202310032544 A CN 202310032544A CN 116131528 A CN116131528 A CN 116131528A
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China
Prior art keywords
tile
generator
oil
horizontal
wall
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Application number
CN202310032544.5A
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Chinese (zh)
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CN116131528B (en
Inventor
祝迪
董峰
张晋境
冯盾
颜雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Qingjiang Hydroelectric Development Co ltd
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Hubei Qingjiang Hydroelectric Development Co ltd
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Priority to CN202310032544.5A priority Critical patent/CN116131528B/en
Publication of CN116131528A publication Critical patent/CN116131528A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/16Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The invention discloses a generator heat dissipation device of a horizontal hydroelectric generating set and a horizontal generator, the device comprises an inner tile, an outer tile, oil sealing boxes, rotating blades and a fixed ring, wherein two oil inlet grooves are formed in the outer wall of the inner tile, a pressure oil pipe interface communicated with the oil inlet grooves is formed in the inner wall of the inner tile, the outer tile is sleeved on the outer wall of the inner tile and forms mechanical seal with the outer wall of the inner tile, the plurality of oil sealing boxes are fixedly connected on the outer tile along the circumferential direction, the rotating blades are rotatably connected on the oil sealing boxes, the rotating blades are rotatably connected with the fixed ring, two oil inlet holes are formed in the covering part of each oil sealing box of the outer tile, a rotating shaft of each rotating blade is positioned on a shaft section in the oil sealing box and is connected with a shifting piece matched with the oil sealing box, and the two oil inlet holes are respectively positioned on two sides of the shifting piece. The generator heat dissipation device of the horizontal hydroelectric generating set is simple in structure, reliable in operation and long in service life, and can adjust the air inlet quantity according to the running state of the hydroelectric generating set, so that heat dissipation of a generator is realized efficiently.

Description

Generator heat abstractor and horizontal generator of horizontal hydroelectric set
Technical Field
The invention belongs to the technical field of horizontal hydroelectric generating sets, and particularly relates to a generator heat dissipation device of a horizontal hydroelectric generating set and a horizontal generator.
Background
In the technical field of hydroelectric power stations, a horizontal unit generally adopts a mode of installing fan rotating blades on a large shaft to cool a generator. However, the direction of the rotating fan blade is always fixed, the air inlet of the generator cannot be changed, energy waste can be caused when the temperature of the generator is low, and the air quantity cannot be increased when the temperature of the generator is high. Meanwhile, because the wind is simultaneously and inwards fed from two sides, the dust in the generator can not be cleaned under the condition of not dismantling the generator shell.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a generator heat dissipation device of a horizontal hydroelectric generating set, which can solve the problems in the background art and accurately perforate a water seal to be replaced.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a horizontal hydroelectric set's generator heat abstractor, includes interior tile, outer tile, seal oil box, rotation flabellum and solid fixed ring, interior tile is tubular structure, set up two oil feed grooves on the outer wall of interior tile, set up on the inner wall of interior tile two respectively with the pressure oil pipe interface of oil feed groove intercommunication, outer tile cover is established on the inner wall of tile and with interior tile outer wall forms mechanical seal, follow circumferencial direction fixed connection a plurality of seal oil boxes on the outer tile, every seal oil box is last to rotate and to connect the rotation flabellum, and the periphery of every rotation flabellum all rotates with solid fixed ring to be connected, outer tile is at every seal oil box cover department and has seted up two inlet ports, the pivot of rotation flabellum be located seal oil box in the epaxial section connect with seal oil box complex plectrum, two inlet ports are located respectively the both sides of plectrum.
Preferably, the oil seal box is a semicircular box body, the rotating shaft of the rotating fan blade is rotationally connected to the center of the semicircular box body, one end of the poking piece is fixedly connected to the rotating shaft, and the other end of the poking piece is abutted to the side wall of the oil seal box.
Preferably, the rotating fan blade is a rectangular rotating fan blade or a spiral rotating fan blade.
Preferably, the poking piece and the plane where the rotating fan blade is located form an included angle of 75-90 degrees.
The invention also provides a horizontal generator, which comprises a stator and a rotor, wherein two ends of a rotating shaft of the rotor are both connected with the generator radiating device of the horizontal hydroelectric generating set.
Compared with the prior art, the invention has the following beneficial effects:
1. the generator heat dissipation device of the horizontal hydroelectric generating set is simple in structure, reliable in operation and long in service life, and can adjust the air inlet quantity according to the running state of the hydroelectric generating set, so that heat dissipation of a generator is realized efficiently.
2. According to the generator heat dissipation device of the horizontal hydroelectric generating set, when the set idles, the fan blade direction is changed to change the direction of the fan blades from the direction of inwards feeding air to the direction of outwards sucking air or from left to right feeding air, so that dust in the generator is cleaned under the condition that the generator shell is not removed.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another embodiment of the present invention.
Fig. 3 is a schematic top view of an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of A-A in fig. 3.
Fig. 5 is a schematic view of the construction of the inner shoe of the present invention.
Fig. 6 is a schematic view of the construction of the outer tile of the present invention.
Fig. 7 is a schematic view of the structure of an oil seal case in the present invention.
Fig. 8 is a schematic structural view of a plectrum in the present invention.
In the above figures: 1. an inner tile; 2. an outer tile; 3. an oil seal box; 4. rotating the fan blades; 5. a fixing ring; 6. an oil inlet groove; 7. a pressure oil pipe interface; 8. an oil inlet hole; 9. a rotating shaft; 10. a pulling piece.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, as a preferred embodiment of the present invention, the present embodiment provides a heat dissipation device for a generator of a horizontal water turbine generator set, including an inner tile 1, an outer tile 2, an oil sealing box 3, rotating blades 4 and a fixing ring 5, where the inner/1 is in a tubular structure, two oil inlet grooves 6 are formed on the outer wall of the inner tile 1, two pressure oil pipe interfaces 7 respectively communicated with the two oil inlet grooves 6 are formed on the inner wall of the inner tile 1, the outer tile 2 is sleeved on the outer wall of the inner tile 1 and forms a mechanical seal with the outer wall of the inner tile 1, a plurality of oil sealing boxes 3 are fixedly connected on the outer tile 2 along the circumferential direction, each oil sealing box 3 is rotationally connected with a rotating blade 4, the outer periphery of each rotating blade 4 is rotationally connected with the fixing ring 5, two oil inlet holes 8 are formed on the covering part of each oil sealing box 3, a rotating shaft 9 of the rotating blade 4 is located on the shaft section of the oil sealing box 3 and connected with two oil inlet holes 10 respectively located on two sides of the oil sealing blades 8.
In traditional heat radiation structure, the flabellum is fixed flabellum, can't adjust inclination, just can't adjust the intake, in the above-mentioned embodiment, changes the flabellum into the rotation flabellum through structural design, in actual operation, pressure oil pipe interface 7 is connected with the pressure oil source, through the control advance oil or go out by, can realize the angle deflection of rotation flabellum 4, and then adjust the intake to realize the effect under the different scenes.
Specifically, when the temperature of the generator is low, the opening degree of the rotating fan blades 4 is reduced, so that the wind resistance is reduced, and the power of the generator is improved. When the temperature of the generator is higher, the opening degree of the rotating fan blade 4 is increased, so that the air supply quantity is increased, and the heat dissipation performance is improved. Meanwhile, intelligent optimization adjustment of the rotary fan blades 4 can be completed through the cooperation of the internal wind pressure detection element and the temperature measurement element.
In some embodiments, the oil seal box 3 described with reference to fig. 1, 2 and 7 is a semicircular box body, the rotating shaft 9 of the rotating fan blade 4 is rotatably connected to the center of the semicircular box body, one end of the pulling piece 10 is fixedly connected to the rotating shaft 9, and the other end is abutted to the side wall of the oil seal box 3. The oil seal box 3 is divided into an upper cavity and a lower cavity by the poking plate 10, the poking plate 10 is arranged in the middle, and the poking plate 10 can drive the fan blade to adjust the angle. Under the control state, when the upper cavity is filled with oil, the lower cavity is used for discharging oil; the upper cavity is enlarged and the lower cavity is reduced; the plectrum 10 moves from top to bottom, and the center shaft of the rotary fan blade 4 moves along with the plectrum 10. When the lower cavity is filled with oil, the upper cavity is used for discharging oil; the lower cavity is enlarged and the upper cavity is reduced; the plectrum 10 moves from bottom to top, and the center pin of flabellum follows plectrum 10 motion, all can realize the angle modulation of rotation flabellum.
In other embodiments, the rotating blades 4 are rectangular rotating blades or spiral rotating blades to improve heat dissipation performance and use requirements of different situations.
In some preferred embodiments, for better control of the air intake, the blade 10 forms an angle of 75 ° -90 °, for example, an angle of 85 °, with the plane in which the rotary fan blade 4 is located.
As another embodiment of the present invention, the present embodiment provides a horizontal generator, including a stator and a rotor, where two ends of a rotating shaft of the rotor are both connected to a generator heat dissipation device of the horizontal hydroelectric generating set.
Specifically, the rotating shaft of the stator is fixedly connected with the outer tile 2, so that the outer tile 2 and other parts fixedly connected to the outer tile 2 synchronously rotate along with the rotating shaft of the generator.
In the embodiment, the generator heat dissipation device of the horizontal hydroelectric generating set provided by the invention is connected with the two ends of the rotor of the horizontal hydroelectric generating set, when the set idles, the direction of the rotating fan blades 4 can be changed, and the two sides can be simultaneously and inwards air-fed into the two sides and simultaneously and outwards air-sucked, or the two fans can be simultaneously and outwards air-fed from left to right, so that dust in the rotor and the stator of the generator can be cleaned without dismantling the shell of the generator, which cannot be realized by the traditional fixed heat dissipation structure.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (5)

1. The utility model provides a horizontal hydroelectric set's generator heat abstractor which characterized in that: including interior tile, outer tile, oil seal box, rotation flabellum and solid fixed ring, interior tile is tubular structure, set up two oil feed grooves on the outer wall of interior tile, set up two respectively with two on the inner wall of interior tile the pressure oil pipe interface of oil feed groove intercommunication, outer tile cover is established on the inner wall of tile and with the inner wall of tile outer wall forms mechanical seal, follow circumferencial direction fixed connection a plurality of oil seal boxes on the outer tile, every rotate on the oil seal box and connect the rotation flabellum, the periphery of every rotation flabellum all rotates with solid fixed ring and is connected, outer tile is every oil seal box cover department has seted up two inlet ports, the pivot of rotation flabellum be located connect on the axle section in the oil seal box with oil seal box complex plectrum, two the inlet ports are located respectively the both sides of plectrum.
2. The generator heat sink of a horizontal hydroelectric generating set according to claim 1, wherein: the oil seal box is a semicircular box body, the rotating shaft of the rotating fan blade is rotationally connected to the circle center of the semicircular box body, one end of the poking piece is fixedly connected to the rotating shaft, and the other end of the poking piece is abutted to the side wall of the oil seal box.
3. The generator heat sink of a horizontal hydroelectric generating set according to claim 1, wherein: the rotating fan blade is a rectangular rotating fan blade or a spiral rotating fan blade.
4. The generator heat sink of a horizontal hydroelectric generating set according to claim 1, wherein: the poking piece and the plane where the rotating fan blade is located form an included angle of 75-90 degrees.
5. A horizontal generator comprising a stator and a rotor, characterized in that: both ends of the rotating shaft of the rotor are connected with the generator heat dissipation device of the horizontal hydroelectric generating set according to any one of claims 1 to 4.
CN202310032544.5A 2023-01-10 2023-01-10 Generator heat abstractor and horizontal generator of horizontal hydroelectric set Active CN116131528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310032544.5A CN116131528B (en) 2023-01-10 2023-01-10 Generator heat abstractor and horizontal generator of horizontal hydroelectric set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310032544.5A CN116131528B (en) 2023-01-10 2023-01-10 Generator heat abstractor and horizontal generator of horizontal hydroelectric set

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CN116131528A true CN116131528A (en) 2023-05-16
CN116131528B CN116131528B (en) 2024-03-12

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481432A (en) * 2016-12-30 2017-03-08 潍柴动力股份有限公司 A kind of intelligent fan system for vehicle and its control method
CN212716862U (en) * 2020-03-31 2021-03-16 潍柴动力股份有限公司 Hydraulic reversing fan and agricultural machine
CN217652962U (en) * 2022-07-02 2022-10-25 丹阳市一石机械有限公司 Heat dissipation type efficient motor fan blade
CN115483795A (en) * 2022-09-26 2022-12-16 深圳市菲昂机电有限公司 Differential speed regulation and control device for electromechanical equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481432A (en) * 2016-12-30 2017-03-08 潍柴动力股份有限公司 A kind of intelligent fan system for vehicle and its control method
CN212716862U (en) * 2020-03-31 2021-03-16 潍柴动力股份有限公司 Hydraulic reversing fan and agricultural machine
CN217652962U (en) * 2022-07-02 2022-10-25 丹阳市一石机械有限公司 Heat dissipation type efficient motor fan blade
CN115483795A (en) * 2022-09-26 2022-12-16 深圳市菲昂机电有限公司 Differential speed regulation and control device for electromechanical equipment

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