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CN115118088A - Generator circulative cooling structure - Google Patents

Generator circulative cooling structure Download PDF

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Publication number
CN115118088A
CN115118088A CN202210822423.6A CN202210822423A CN115118088A CN 115118088 A CN115118088 A CN 115118088A CN 202210822423 A CN202210822423 A CN 202210822423A CN 115118088 A CN115118088 A CN 115118088A
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CN
China
Prior art keywords
water
heat
generator
circulating
water tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210822423.6A
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Chinese (zh)
Inventor
王远锋
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.)
Anhui Evotec Power Generation Co ltd
Original Assignee
Anhui Evotec Power Generation Co ltd
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Publication date
Application filed by Anhui Evotec Power Generation Co ltd filed Critical Anhui Evotec Power Generation Co ltd
Priority to CN202210822423.6A priority Critical patent/CN115118088A/en
Publication of CN115118088A publication Critical patent/CN115118088A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention discloses a circulating cooling structure of a generator, which relates to the technical field of generators and comprises an installation shell, wherein a water cooling mechanism and a heat dissipation mechanism are arranged on the installation shell, the water cooling mechanism comprises a circulating water path fixedly connected in the installation shell, a circulating pump is arranged at the water inlet end of the circulating water path, and a water tank is arranged at the water outlet end of the circulating water path. The heat-absorbing and heat-releasing device can absorb heat generated by the stator and the rotor of the generator through water cooling, ensure that the stator and the rotor of the generator can work normally, can complete heat absorption and heat release periodic heat exchange between the heat in the circulating water path and the heat generated by the stator and the rotor of the generator through the heat-radiating mechanism, further accelerate the heat-radiating efficiency, achieve the aim of energy conservation without being driven by a motor through the heat-radiating mechanism, avoid noise in the working process, and accelerate the cooling rate of water in the water tank when the heat-radiating mechanism works, thereby ensuring the water-cooling effect of the water-cooling mechanism.

Description

Generator circulative cooling structure
Technical Field
The invention relates to the technical field of generators, in particular to a circulating cooling structure of a generator.
Background
The generator is a mechanical device which converts other forms of energy into electric energy, is driven by a water turbine, a steam turbine, a diesel engine or other power machines, converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then converts the mechanical energy into electric energy, and the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life.
The mode that is comparatively commonly used at present is liquid cooling and air cooling, when cooling heat dissipation is carried out to the stator core of generator, the method commonly used is that open ventilation groove, hole in stator core, make cooling gas (air or hydrogen) flow through ventilation groove, hole and take away the heat and cool off the iron core, but adopt the forced air cooling not have the effectual of liquid cooling, and traditional forced air cooling structure is comparatively complicated, can't produce energy-conserving effect simultaneously, consequently, this application provides a generator circulative cooling structure and satisfies the demand.
Disclosure of Invention
An object of this application is to provide a generator circulative cooling structure, has solved the lower problem of generator cooling efficiency.
In order to achieve the above purpose, the present application provides the following technical solutions: a circulating cooling structure of a generator comprises an installation shell, wherein a water cooling mechanism and a heat dissipation mechanism are arranged on the installation shell, the water cooling mechanism comprises a circulating water path fixedly connected in the installation shell, a circulating pump is arranged at the water inlet end of the circulating water path, a water tank is arranged at the water outlet end of the circulating water path, and the water outlet end of the circulating pump is communicated with the water tank;
when the stator and the rotor of the generator need to be cooled, the circulating pump starts to pump water in the water tank into the circulating water path, and then the water flows into the water tank again under the action of the circulating pump.
Preferably, the circulation water route includes a plurality of ring pipes, fixed connection be in a plurality of connecting pipes on the ring pipe, thereby will be a plurality of the ring pipe intercommunication, the cavity has been seted up in the installation shell, the both ends of connecting pipe with the inner wall fixed connection of cavity, wherein bottom part the one end fixedly connected with of connecting pipe runs through and extends to inlet tube in the water tank, another part in the bottom the one end fixedly connected with drain pipe of connecting pipe, the other end fixedly connected with outlet pipe of drain pipe, the other end of outlet pipe with the fixed cup joint of the inlet end of circulating pump, the play water end fixedly connected with circulating pipe of circulating pump, the other end of circulating pipe runs through and extends to in the water tank.
Preferably, a plurality of through holes are formed in two sides of the mounting shell, a plurality of inner holes are formed in the inner sides of the top and the bottom of the mounting shell, and the inner holes are communicated with the cavity.
Preferably, the semiconductor refrigeration piece is fixedly connected in the water tank, a stirring unit is arranged in the water tank, and the stirring unit is fixedly connected with the heat dissipation mechanism.
Preferably, the stirring unit comprises a plurality of rotating shafts which are rotatably connected with the inner wall of the bottom of the water tank and penetrate through the inner wall of the bottom of the water tank and extend out of the top of the water tank, and a plurality of impellers which are fixedly sleeved on the outer ring of the rotating shafts;
when the heat dissipation mechanism starts to work, the rotating shaft is driven to rotate, and then the impeller is driven to rotate, so that water in the water tank is stirred.
Preferably, heat dissipation mechanism includes fixed mounting and is in a plurality of heat transfer seats of being made by ferromagnetic material of installation shell both sides, fixed cup joint a plurality of fixed covers of rotation axis outer lane, fixed connection be in a plurality of electro-magnet brush pieces on the fixed lateral wall of cover, fixed connection be in fin on the electro-magnet brush piece, fixed connection be in temperature control piece on the fin, temperature control piece and clockwise adjacent electro-magnet brush piece electric connection, the heat transfer seat is kept away from the one side of installation shell seted up a plurality of with the arc surface that the fin laminated mutually.
Preferably, the heat sink is provided with a plurality of heat dissipation holes.
Preferably, a plurality of support plates are fixedly connected to the top and bottom heat transfer seats, the rotating shaft penetrates through one of the support plates, and the other end of the rotating shaft is rotatably connected with the other support plate.
In conclusion, the technical effects and advantages of the invention are as follows:
the heat-absorbing and heat-releasing device can absorb heat generated by the stator and the rotor of the generator through water cooling, ensure that the stator and the rotor of the generator can work normally, can complete heat absorption and heat release periodic heat exchange between the heat in the circulating water path and the heat generated by the stator and the rotor of the generator through the heat-radiating mechanism, further accelerate the heat-radiating efficiency, achieve the aim of energy conservation without being driven by a motor through the heat-radiating mechanism, avoid noise in the working process, and accelerate the cooling rate of water in the water tank when the heat-radiating mechanism works, thereby ensuring the water-cooling effect of the water-cooling mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a circulating cooling structure of a generator.
Fig. 2 is a schematic sectional structural view of a water tank and a mounting case according to the present invention.
Fig. 3 is a schematic sectional structure view of the mounting case of the present invention.
FIG. 4 is a schematic structural diagram of a heat dissipation mechanism,
fig. 5 is a schematic view of the structure of the circulation waterway of the present invention.
In the figure: 1. a circulation pump; 2. a water tank; 3. a rotating shaft; 4. mounting a shell; 401. a chamber; 402. a through hole; 403. an inner bore; 5. a stator; 6. a rotor; 7. a water outlet pipe; 8. a drain pipe; 9. a semiconductor refrigeration sheet; 10. an impeller; 11. an annular tube; 1101. a connecting pipe; 12. a water inlet pipe; 13. a heat transfer base; 14. a heat sink; 15. a temperature control sheet; 16. an electromagnet brush sheet; 17. a support plate; 18. fixing a sleeve; 19. a circulation pipe.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1-5, a water cooling mechanism and a heat dissipation mechanism are disposed on an installation shell 4, the water cooling mechanism includes a circulation water path fixedly connected in the installation shell 4, a circulation pump 1 is disposed at a water inlet end of the circulation water path, a water tank 2 is disposed at a water outlet end of the circulation water path, and the water outlet end of the circulation pump 1 is connected to the water tank 2.
As shown in fig. 1 and 2, when the stator 5 and the rotor 6 of the generator need to be cooled, the circulating pump 1 is started to pump water in the water tank 2 into the circulating water path, and then the water flows into the water tank 2 again under the action of the circulating pump 1, so that water circulation is completed, and heat generated by the stator 5 and the rotor 6 of the generator is absorbed by the water in the circulating water path, so that the stator 5 and the rotor 6 of the generator can work normally.
As shown in fig. 2 or fig. 3, the circulating water path includes a plurality of circular pipes 11, a plurality of connecting pipes 1101 fixedly connected to the circular pipes 11, thereby connecting the plurality of circular pipes 11, a chamber 401 is formed in the installation shell 4, both ends of the connecting pipes 1101 are fixedly connected to the inner wall of the chamber 401, wherein one end of the connecting pipe 1101 at the bottom part is fixedly connected to a water inlet pipe 12 penetrating through and extending into the water tank 2, one end of the connecting pipe 1101 at the other part at the bottom part is fixedly connected to a water outlet pipe 8, the other end of the water outlet pipe 8 is fixedly connected to a water outlet pipe 7, the other end of the water outlet pipe 7 is fixedly sleeved with the water inlet end of the circulating pump 1, a circulating pipe 19 is fixedly connected to the water outlet end of the circulating pump 1, and the other end of the circulating pipe 19 penetrates through and extends into the water tank 2.
In order to ensure that heat can be dissipated when the stator 5 and the rotor 6 of the generator start to work, as shown in fig. 3, a plurality of through holes 402 are formed in two sides of the mounting shell 4, a plurality of inner holes 403 are formed in the inner sides of the top and the bottom of the mounting shell 4, and the inner holes 403 are communicated with the cavity 401, so that heat enters the cavity 401 through the inner holes 403 and is then discharged from the through holes 402, or is directly discharged through the through holes 402, and the heat is prevented from accumulating near the stator 5 and the rotor 6 of the generator, and the stator 5 and the rotor 6 of the generator are prevented from being damaged.
As shown in fig. 2, a semiconductor refrigeration sheet 9 is fixedly connected in the water tank 2 to refrigerate water in the water tank 2, so that water level cold water entering the circulating water path is provided with a stirring unit in the water tank 2, and the stirring unit is fixedly connected with the heat dissipation mechanism.
In order to accelerate the cooling speed of the water in the water tank 2, as shown in fig. 2, the stirring unit comprises a plurality of rotating shafts 3 which are rotatably connected to the inner wall of the bottom of the water tank 2 and penetrate through and extend out of the top of the water tank 2, and a plurality of impellers 10 which are fixedly sleeved on the outer ring of the rotating shafts 3;
when heat dissipation mechanism began work, drive rotation axis 3 and rotated, and then drive impeller 10 and rotate, stirred the water in the water tank 2, simultaneously under the effect of semiconductor refrigeration piece 9 for the cooling rate of the water in the water tank 2, and then make the guarantee for the water-cooling effect of water-cooling mechanism.
As shown in fig. 2 and 4, the heat dissipation mechanism includes a plurality of heat transfer bases 13 made of ferromagnetic material and fixedly installed at two sides of the installation shell 4, a plurality of fixed sleeves 18 fixedly sleeved on the outer ring of the rotation shaft 3, a plurality of electromagnet brush pieces 16 fixedly connected to the side walls of the fixed sleeves 18, heat dissipation fins 14 fixedly connected to the electromagnet brush pieces 16, temperature control pieces 15 fixedly connected to the heat dissipation fins 14, the temperature control pieces 15 are electrically connected to the electromagnet brush pieces 16 adjacent clockwise, and a plurality of arc surfaces attached to the heat dissipation fins 14 are provided on one surface of the heat transfer base 13 away from the installation shell 4.
When the temperature of the stator 5 and the rotor 6 of the generator gradually rises, the heat flow overflows the mounting shell 4 through the inner hole 403 and the through hole 402, so that the temperature of the heat transfer seat 13 rises, the temperature of the heat radiating fins 14 attached to the heat transfer seat 13 also rises, when the temperature reaches the critical value of the temperature control fins 15 on the heat radiating fins 14, the temperature control fins 15 control the electromagnet brush pieces 16 to be electrified, so that under the traction action of magnetic force, the electromagnet brush pieces 16 turn to the heat transfer seat 13, the heat radiating fins 14 reaching the critical value of the temperature control fins 15 are pushed away from the heat transfer seat 13 and radiate heat outwards to reduce the temperature, then the temperature on the heat radiating fins 14 pushed away from the heat transfer seat 13 is reduced to be below the critical value of the temperature control fins 15, the temperature on the heat radiating fins 14 close to the heat transfer seat 13 reaches the critical value of the temperature control fins 15, so that the heat radiating fins 14 with high temperature are pushed away from the surface of the heat transfer seat 13 again, the heat sink 14 with low temperature is close to the surface of the heat transfer base 13; the circulation is carried out, so that the heat absorption and heat release periodic heat exchange of the heat radiating fins 14 is completed in the process of sequentially rotating the surfaces of the heat transfer seats 13, and the heat radiating mechanism does not need to be driven by a motor, so that noise does not occur in the working process.
The heat sink 14 is provided with a plurality of heat dissipation holes (not shown) to increase the heat dissipation efficiency of the heat sink 14.
In consideration of the stability of the rotary shaft 3, as shown in fig. 4, a plurality of support plates 17 are fixedly connected to the top and bottom heat transfer seats 13, the rotary shaft 3 penetrates one of the support plates 17, and the other end is rotatably connected to the other support plate 17, so that the rotary shaft 3 can be stably rotated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (8)

1. A generator circulative cooling structure, includes installation shell (4), its characterized in that: the water cooling mechanism and the heat dissipation mechanism are arranged on the mounting shell (4), the water cooling mechanism comprises a circulating water path fixedly connected in the mounting shell (4), a circulating pump (1) is arranged at the water inlet end of the circulating water path, a water tank (2) is arranged at the water outlet end of the circulating water path, and the water outlet end of the circulating pump (1) is communicated with the water tank (2);
when the stator (5) and the rotor (6) of the generator need to be cooled, the circulating pump (1) is started to pump water in the water tank (2) into the circulating water path, and then the water flows into the water tank (2) again under the action of the circulating pump (1).
2. The generator circulative cooling structure of claim 1, wherein: the circulating waterway comprises a plurality of annular pipes (11), a plurality of connecting pipes (1101) fixedly connected to the annular pipes (11), so as to connect a plurality of the annular pipes (11), a cavity (401) is arranged in the mounting shell (4), both ends of the connecting pipe (1101) are fixedly connected with the inner wall of the cavity (401), wherein one end of the connecting pipe (1101) at the bottom part is fixedly connected with a water inlet pipe (12) which penetrates through and extends into the water tank (2), one end of the connecting pipe (1101) at the other part at the bottom part is fixedly connected with a water outlet pipe (8), the other end of the water discharge pipe (8) is fixedly connected with a water outlet pipe (7), the other end of the water outlet pipe (7) is fixedly sleeved with the water inlet end of the circulating pump (1), the water outlet end of the circulating pump (1) is fixedly connected with a circulating pipe (19), and the other end of the circulating pipe (19) penetrates through and extends into the water tank (2).
3. The generator circulative cooling structure of claim 2, wherein: a plurality of through holes (402) are formed in two sides of the mounting shell (4), a plurality of inner holes (403) are formed in the inner sides of the top and the bottom of the mounting shell (4), and the inner holes (403) are communicated with the cavity (401).
4. The generator circulative cooling structure of claim 1, wherein: the semiconductor refrigeration piece (9) is fixedly connected in the water tank (2), a stirring unit is arranged in the water tank (2), and the stirring unit is fixedly connected with the heat dissipation mechanism.
5. The generator circulative cooling structure of claim 4, wherein: the stirring unit comprises a plurality of rotating shafts (3) which are rotatably connected to the inner wall of the bottom of the water tank (2) and penetrate through the water tank (2) and extend to the outside of the top of the water tank (2), and a plurality of impellers (10) which are fixedly sleeved on the outer ring of the rotating shafts (3);
when the heat dissipation mechanism starts to work, the rotating shaft (3) is driven to rotate, and then the impeller (10) is driven to rotate, so that water in the water tank (2) is stirred.
6. The generator circulative cooling structure of claim 5, wherein: heat dissipation mechanism includes fixed mounting and is in a plurality of heat transfer seats (13) of being made by ferromagnetic material of installation shell (4) both sides, fixed cup joint a plurality of fixed covers (18) of rotation axis (3) outer lane, fixed connection are in a plurality of electro-magnet brush piece (16) on fixed cover (18) lateral wall, fixed connection are in fin (14) on electro-magnet brush piece (16), fixed connection is in temperature control piece (15) are gone up in fin (14), temperature control piece (15) and clockwise adjacent electro-magnet brush piece (16) electric connection, heat transfer seat (13) are kept away from the one side of installation shell (4) seted up a plurality of with the arc surface that fin (14) laminated mutually.
7. The generator circulation cooling structure according to claim 6, wherein: the radiating fin (14) is provided with a plurality of radiating holes.
8. The generator circulative cooling structure of claim 6, wherein: wherein the top and the bottom are fixedly connected with a plurality of supporting plates (17) on the heat transfer seat (13), the rotating shaft (3) penetrates through one of the supporting plates (17), and the other end of the rotating shaft is rotatably connected with the other supporting plate (17).
CN202210822423.6A 2022-07-13 2022-07-13 Generator circulative cooling structure Pending CN115118088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210822423.6A CN115118088A (en) 2022-07-13 2022-07-13 Generator circulative cooling structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210822423.6A CN115118088A (en) 2022-07-13 2022-07-13 Generator circulative cooling structure

Publications (1)

Publication Number Publication Date
CN115118088A true CN115118088A (en) 2022-09-27

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ID=83332978

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Application Number Title Priority Date Filing Date
CN202210822423.6A Pending CN115118088A (en) 2022-07-13 2022-07-13 Generator circulative cooling structure

Country Status (1)

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CN (1) CN115118088A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119030240A (en) * 2024-09-05 2024-11-26 江苏中奕和创智能科技有限公司 A heat exchange mechanism capable of improving the working quality of a generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119030240A (en) * 2024-09-05 2024-11-26 江苏中奕和创智能科技有限公司 A heat exchange mechanism capable of improving the working quality of a generator

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