CN115765323A

CN115765323A - Dual heat sink of pumped storage motor group

Info

Publication number: CN115765323A
Application number: CN202211521558.5A
Authority: CN
Inventors: 周嘉元; 王海涛; 陈善贵; 田鹏; 张�林; 韩刘山; 蒋友凯; 郭露
Original assignee: Anhui Jixi Water Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Current assignee: Anhui Jixi Water Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-07

Abstract

The invention discloses a double cooling device of a pumped storage motor set, which comprises a movable sleeve movably connected outside the motor set, wherein an air inlet is formed between the opening end of the movable sleeve and a motor set shell, an air outlet is formed in an end cover of the movable sleeve, a mounting frame is arranged in the movable sleeve, a cooling fan is arranged on one side, facing the air outlet, of the mounting frame, an air guide pipe penetrates through the mounting frame, a flow dividing pipe which inclines upwards towards the air inlet and a flow dividing pipe which inclines downwards towards the air inlet are sequentially arranged on the periphery of the air guide pipe along the length direction, the flow dividing pipe comprises a direct current part and a return current part, the direct current part is communicated with the air guide pipe in a linear shape, and the return current part is communicated with the air guide pipe in an arc shape; the movable sleeve is also internally provided with a cooling pipe, cooling liquid flows in the cooling pipe, and the cooling pipe comprises a first cooling pipe distributed on the shell of the motor group and a second cooling pipe distributed on the inner wall of the movable sleeve. The invention has the characteristics of improving the heat dissipation effect and preventing the heat flow from reflowing easily.

Description

Dual heat sink of pumped storage motor group

Technical Field

The invention relates to a cooling device, in particular to a double cooling device of a pumped storage motor set.

Background

The pumped storage motor set has high water head and high rotating speed, and the slip ring and the carbon brush of the collecting ring generate a large amount of heat energy by friction, so that the internal temperature of the motor set is increased to influence the normal work of the motor set. At present, the current collecting brush chambers of most of domestic motor sets are cooled by natural cooling, the cooling effect of the cooling mode is not enough to reduce the surface temperature of the carbon brush, the normal work of the motor sets is easily influenced, and even the motor can be damaged; or the cooling fan which is coaxial with the shaft of the motor set cools the motor set, but the cooling mode is carried out simultaneously with the work of the motor set, when the motor set works, the cooling fan works to dissipate heat, and when the motor set stops working, the cooling fan stops working and does not cool any more; the motor set is long in working time and high in rotating speed, generated heat is large, even if the motor set does not work any more, the temperature in the motor set is still high, the temperature cannot be completely reduced to an ideal state only by means of heat dissipation treatment of the working time of the motor set, and after the heat dissipation fan does not work any more, exhausted hot air is easy to reflow, so that the temperature in the motor set is increased again. Therefore, the existing pumped storage motor set has the problem of unsatisfactory heat dissipation effect.

Disclosure of Invention

The invention aims to provide a dual cooling device for a pumped storage motor set. The invention has the characteristics of improving the heat dissipation effect and preventing the heat flow from reflowing easily.

The technical scheme of the invention is as follows: a dual cooling device of a pumped storage motor set comprises a movable sleeve movably connected to the outside of the motor set, wherein one end, close to the motor set, of the movable sleeve is an open end, an air inlet is formed between the open end and a motor set shell, one end, far away from the motor set, of the movable sleeve is provided with an end cover, an air outlet is formed in the end cover, a mounting frame is arranged in the movable sleeve, a cooling fan is arranged on one side, facing the air outlet, of the mounting frame, an air guide pipe penetrates through the mounting frame, a flow dividing pipe which inclines upwards towards the air inlet and a flow dividing pipe which inclines downwards towards the air inlet are sequentially arranged on the periphery of the air guide pipe along the length direction, the flow dividing pipe comprises a direct current portion and a backflow portion, the direct current portion is communicated with the air guide pipe in a linear mode, and the backflow portion is communicated with the air guide pipe in an arc-line mode; the movable sleeve is also internally provided with a cooling pipe, cooling liquid flows in the cooling pipe, and the cooling pipe comprises a first cooling pipe distributed on the shell of the motor group and a second cooling pipe distributed on the inner wall of the movable sleeve.

In the aforesaid dual heat sink of pumped storage motor group, the motor group includes host computer room and brush room, is equipped with a plurality of first radiating fin on the shell of host computer room, is equipped with a plurality of second radiating fin on the shell of brush room, all is equipped with the conducting strip of radial extension on every first radiating fin, and the bottom of conducting strip is equipped with the arcwall face, forms cooling channel between the bottom of conducting strip and the host computer shell.

In the aforesaid dual heat sink of pumped storage motor group, be equipped with the electro-magnet in the mounting bracket, last the installing axle that stretches into in the mounting bracket that is equipped with of radiator fan, the epaxial cover of installation is equipped with first spring, and the tip of installing axle is equipped with and is used for cooperating absorbent first magnetic block with the electro-magnet, and the one end and the mounting bracket of first spring are connected, and the other end and the first magnetic block of first spring are connected.

In the aforesaid dual heat sink of pumped storage motor group, radiator fan includes the heat dissipation motor, be equipped with the rotation cover in the drive shaft of heat dissipation motor, the outside of rotating the cover is equipped with the electromagnetism magnet ring, the outside of electromagnetism magnet ring is equipped with the installation cover, the installation cover is equipped with a plurality of grooves of lining up along the circumferencial direction, the outer end of lining up the groove is equipped with the mount pad, swing joint has radiator vane in the mount pad, radiator vane's the inner is equipped with the telescopic link, the telescopic link passes the mount pad and extends to lining up the inslot, the tip of telescopic link is equipped with and is used for cooperating absorbent second magnetic block with the electromagnet ring, the cover is equipped with the second spring on the telescopic link, the one end and the radiator vane of second spring are connected, the other end and the mount pad of second spring are connected.

In the dual cooling device for the pumped storage motor set, one side of the rotating sleeve, which faces the air outlet, is provided with the connecting seat, the connecting seat is internally provided with the connecting groove, the connecting groove is internally connected with the movable rod through the spline sleeve, one end of the movable rod is provided with the rotating plate, and the rotating plate is provided with the cleaning brush which is abutted to the end cover and used for cleaning the air outlet; the other end of the movable rod is provided with a third spring, one end of the third spring is connected with the movable rod, and the other end of the third spring is connected with the connecting groove.

In the double cooling device for the pumped storage motor set, the inner wall of the movable sleeve is provided with the spiral groove and the guide groove; the spiral groove is internally provided with a fixing buckle for fixing the first cooling pipe, and the length direction of the guide groove is consistent with that of the air guide pipe.

In the dual cooling device for the pumped storage motor set, the bottom of the movable sleeve is provided with the moving trolley, the moving trolley is provided with the water tank and the water pump, and the water pump and the water tank are connected with the cooling pipe.

In the aforesaid dual heat sink of pumped storage motor group, dual heat sink still includes controller and temperature collection station, temperature collection station is equipped with the movable probe with temperature sensor swing joint including installing at the outside temperature sensor of movable sleeve on the temperature sensor, temperature sensor's output and the input of controller are connected, and the output and the electro-magnet of controller, heat dissipation motor, electromagnetism magnet ring and water pump are connected.

In the dual cooling device of pumped storage motor assembly, the movable probe passes the movable sleeve and extends to between the adjacent second radiating fins, the movable probe is provided with the mounting plate, the mounting plate is provided with the fourth spring sleeved outside the movable probe, one end of the fourth spring is connected with the mounting plate, and the other end of the fourth spring is connected with the movable sleeve.

Compared with the prior art, the invention has the beneficial effects that:

the cooling structure adopts the dual cooling structure of air cooling of the cooling fan and water cooling of the cooling pipe to carry out cooling treatment on the motor set, and the cooling pipe is arranged at the air inlet, so that the heat of the motor set can be conducted and radiated, the temperature of the inlet air can be further reduced, and the heat conduction and heat extraction effect of air cooling is improved; the mounting frame is provided with the air guide pipe and the flow dividing pipe which are matched, so that air flow enters from the air inlet of the air guide pipe and is discharged from the air outlet along the air guide pipe, and due to the reverse blocking effect of the flow dividing pipe, hot air at the air outlet of the air guide pipe can be prevented from flowing back to the air inlet of the air guide pipe; and after the air guide pipe and the flow dividing pipe are used, the air flow speed in the movable sleeve is accelerated, the hot air discharging speed is accelerated, and the heat radiating efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the housing structure of the main cabinet;

FIG. 3 is a schematic structural diagram of a heat dissipation fan;

FIG. 4 is a schematic view of a rotating plate;

fig. 5 is a schematic structural diagram of a temperature collector.

The symbols in the drawings are: 1. a motor unit; 11. a main machine room; 12. an electric brush chamber; 13. a first heat radiation fin; 14. a second heat radiation fin; 15. a heat conductive sheet; 16. an arc-shaped surface; 17. a cooling channel; 2. a movable sleeve; 21. an end cap; 22. an air outlet; 23. a first cooling pipe; 24. a second cooling pipe; 25. a guide groove; 3. a mounting frame; 31. an air guide pipe; 32. a shunt tube; 33. a direct current section; 34. a return portion; 35. an electromagnet; 36. installing a shaft; 37. a first spring; 38. a first magnetic block; 4. a heat radiation fan; 41. rotating the sleeve; 42. an electromagnet ring; 43. installing a sleeve; 44. a through groove; 45. a mounting base; 46. a heat dissipating fin; 461. a telescopic rod; 462. a second magnetic block; 463. a second spring; 5. a connecting seat; 51. connecting grooves; 52. a movable rod; 53. a rotating plate; 54. a cleaning brush; 55. a third spring; 6. moving the trolley; 61. a water tank; 7. a temperature sensor; 71. a movable probe; 72. mounting a plate; 73. and a fourth spring.

Detailed Description

The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.

The embodiment is as follows:

as shown in fig. 1 to 5, a dual cooling device for a pumped storage motor set includes a movable sleeve 2 movably connected to an outside of a motor set 1, one end of the movable sleeve 2 close to the motor set 1 is an open end, an air inlet is formed between the open end and a housing of the motor set 1, one end of the movable sleeve 2 away from the motor set 1 is provided with an end cover 21, the end cover 21 is provided with an air outlet 22, a mounting frame 3 is arranged in the movable sleeve 2, one side of the mounting frame 3 facing the air outlet 22 is provided with a heat dissipation fan 4, an air guide pipe 31 penetrates through the mounting frame 3, a shunt pipe 32 which slantingly upwards faces the air inlet and a shunt pipe 32 which slantingly downwards faces the air inlet are sequentially arranged around the air guide pipe 31 along a length direction, the shunt pipe 32 includes a direct current portion 33 and a return portion 34, the direct current portion 33 is linearly communicated with the air guide pipe 31, and the return portion 34 is linearly communicated with the air guide pipe 31; the inner diameters of the air guide pipe 31 and the shunt pipe 32 are consistent.

The movable sleeve 2 is also internally provided with a cooling pipe, cooling liquid flows in the cooling pipe, and the cooling pipe comprises a first cooling pipe 23 distributed on the shell of the motor group 1 and a second cooling pipe 24 distributed on the inner wall of the movable sleeve 2. As an embodiment of the cooling pipe, the first cooling pipe and the second cooling pipe are designed into a whole, and the first cooling pipe extends from the opening end to the movable sleeve to form the second cooling pipe.

The motor set 1 is cooled by adopting a dual cooling structure of air cooling of the cooling fan 4 and water cooling of the cooling pipe, and the cooling pipe is arranged at the air inlet and is in contact with the motor set 1, so that heat of the motor set 1 can be conducted and radiated, the temperature of inlet air can be further reduced, and the heat conduction and heat radiation effect of air cooling is improved; the air guide pipe 31 and the shunt pipe 32 are arranged on the mounting rack 3 to be matched, so that air flow enters from the air inlet of the air guide pipe 31 and is discharged from the air outlet 22 along the air guide pipe 31, and the backflow of hot air flow at the air outlet 22 of the air guide pipe 31 to the air inlet of the air guide pipe 31 can be avoided due to the reverse blocking effect of the shunt pipe 32; and after passing through the air guide pipe 31 and the shunt pipe 32, the flow velocity of the air flow in the movable sleeve 2 is accelerated, the discharge speed of hot air is accelerated, and the heat dissipation efficiency is improved.

The motor group 1 comprises a main machine room 11 and an electric brush room 12, a plurality of first radiating fins 13 are arranged on a shell of the main machine room 11, a plurality of second radiating fins 14 are arranged on a shell of the electric brush room 12, a heat conducting sheet 15 extending in the radial direction is arranged on each first radiating fin 13, an arc-shaped surface 16 is arranged at the bottom of each heat conducting sheet 15, and a cooling channel 17 is formed between the bottom of each heat conducting sheet 15 and the main machine shell. The motor set 1 is statically cooled through the first cooling fins 13 and the second cooling fins 14, the heat conducting fins 15 extend from the first cooling fins 13, and the arc-shaped surfaces 16 are arranged on the heat conducting fins 15, so that the cooling area is increased, and the cooling effect is improved; and a cooling channel 17 is formed between the adjacent first radiating fins 13, so that cooling air can flow through the cooling channel on one hand, the first cooling pipes 23 can pass through the cooling channel on the other hand, and the heat-conducting fins 15 are used for fixing the cooling channel, thereby shortening the contact distance between cooling air and cooling liquid and the motor set 1 and improving the radiating efficiency.

Be close to 1 one side of motor group in the mounting bracket 3 and be equipped with electro-magnet 35, be equipped with the installation axle 36 that stretches into in the mounting bracket 3 on the radiator fan 4, the cover is equipped with first spring 37 on the installation axle 36, and the tip of installation axle 36 is equipped with and is used for cooperating absorbent first magnetic block 38 with electro-magnet 35, and first spring 37's one end is connected with mounting bracket 3, and first spring 37's the other end is connected with first magnetic block 38. When the temperature of the motor group 1 is high and heat dissipation needs to be increased, the magnetic field attraction of the electromagnet 35 can be increased except for controlling the rotating speed of the heat dissipation fan 4, so that the electromagnet 35 can attract the first magnetic block 38, the distance between the heat dissipation fan 4 and the motor group 1 is shortened, and the heat dissipation effect is improved.

The heat dissipation fan 4 comprises a heat dissipation motor, a rotating sleeve 41 is arranged on a driving shaft of the heat dissipation motor, an electromagnet ring 42 is arranged outside the rotating sleeve 41, an installation sleeve 43 is arranged outside the electromagnet ring 42, the installation sleeve 43 is made of insulating materials, a plurality of through grooves 44 are formed in the installation sleeve 43 in the circumferential direction, an installation seat 45 is arranged at the outer end of each through groove 44, a heat dissipation blade 46 is movably connected in the installation seat 45, an expansion rod 461 is arranged at the inner end of the heat dissipation blade 46, the expansion rod 461 penetrates through the installation seat 45 and extends into the through grooves 44, a second magnetic block 462 used for being matched and adsorbed with the electromagnet ring 42 is arranged at the end of the expansion rod 461, a second spring 463 is sleeved on the expansion rod 461, one end of the second spring 463 is connected with the heat dissipation blade 46, and the other end of the second spring 463 is connected with the bottom of the installation seat 45. When the temperature of the motor assembly 1 is low and heat dissipation needs to be reduced, in addition to controlling the rotation speed of the heat dissipation fan 4, the magnetic field attraction of the electromagnet ring 42 is increased, so that the electromagnet ring 42 can adsorb the second magnetic block 462, thereby shortening the length of the heat dissipation blade 46 extending out of the mounting base 45, reducing the working area of the heat dissipation fan 4 and reducing the heat dissipation efficiency.

A connecting seat 5 is arranged on one side of the rotating sleeve 41 facing the air outlet 22, a connecting groove 51 is arranged in the connecting seat 5, a movable rod 52 is connected in the connecting groove 51 through a spline sleeve, a rotating plate 53 is arranged at one end of the movable rod 52, and a cleaning brush 54 which is abutted to the end cover 21 and used for cleaning the air outlet 22 is arranged on the rotating plate 53; the other end of the movable rod 52 is provided with a third spring 55, one end of the third spring 55 is connected with the movable rod 52, and the other end of the third spring 55 is connected with the bottom of the connecting groove 51. The heat dissipation motor drives the heat dissipation blades 46 to rotate for heat dissipation through the rotating sleeve 41, and simultaneously drives the cleaning brush 54 to rotate, so that attachments on the end cover 21 are cleaned, the air outlet 22 is prevented from being blocked by dust, the permeability of the air outlet 22 is ensured, hot air flow is smoothly discharged, and the heat dissipation of the movable sleeve 2 is facilitated; and when the position of the cooling fan 4 is adjusted under the action of the electromagnet 35 to change the cooling condition, the cleaning brush 54 is still abutted against the end cover 21 under the action of the third spring 55, so that the normal cleaning work of the cleaning brush 54 is ensured.

The inner wall of the movable sleeve 2 is provided with a spiral groove and a guide groove 25, a fixing buckle for fixing the first cooling pipe 23 is arranged in the spiral groove, and the length direction of the guide groove 25 is consistent with that of the air guide pipe 31. The spiral groove that sets up is used for fixing first cooling tube 23, and the guide way 25 that sets up is used for shunting and leading the air inlet, disperses the air current on the one hand, reduces air current circulation noise, and on the other hand makes the air current accurately enter into in the guide duct 31 for the exhaust velocity of hot gas flow.

The bottom of the movable sleeve 2 is provided with a movable trolley 6, the movable trolley 6 is provided with a water tank 61 and a water pump, and the water pump, the water tank 61 and the cooling pipe are connected. The movable sleeve 2 can be moved by moving the trolley 6, so that the movable sleeve 2 can be conveniently moved away from the motor set 1 when heat dissipation is not needed or trimming is needed, and the movable sleeve 2 can be conveniently moved close to the motor set 1 according to the heat dissipation requirement, so that the heat dissipation treatment effect is improved; and set up water tank 61 and water pump and the movable sleeve 2 combination on travelling car 6, the water cooling system is more stable.

The dual heat sink still includes controller and temperature collector, the temperature collector is including installing at the outside temperature sensor 7 of movable sleeve 2, be equipped with on the temperature sensor 7 with temperature sensor 7 swing joint's movable probe 71, the output of temperature sensor 7 is connected with the input of controller, the output and the electro-magnet 35 of controller, heat dissipation motor, electro-magnet ring 42 and water pump connection. Gather the temperature of motor group 1 through the temperature collector, according to wind speed, the rivers velocity of temperature adjustment radiator fan 4 of motor group 1 and cooling tube to the cooling efficiency of control radiator fan 4 and cooling tube makes its cooling more accord with actual demand, and the radiating effect is best on the basis of reducing use cost.

The movable probe 71 penetrates through the movable sleeve 2 and extends to a position between the adjacent second radiating fins 14, the mounting plate 72 is arranged on the movable probe 71, the fourth spring 73 sleeved outside the movable probe 71 is arranged on the mounting plate 72, one end of the fourth spring 73 is connected with the mounting plate 72, and the other end of the fourth spring 73 is connected with the movable sleeve 2. By extending the movable probe 71 between the second heat dissipation fins 14 and utilizing the elasticity of the fourth spring 73, the movable probe 71 is in contact with the housing of the brush chamber 12, so that the actual temperature of the motor set 1 can be measured more accurately, and the accuracy of regulating and controlling the heat dissipation fan 4 and the cooling pipe is improved.

Claims

1. The utility model provides a dual heat sink of pumped storage motor group which characterized in that: the air conditioner comprises a movable sleeve (2) movably connected to the outside of a motor set (1), one end, close to the motor set (1), of the movable sleeve (2) is an open end, an air inlet is formed between the open end and a shell of the motor set (1), one end, far away from the motor set (1), of the movable sleeve (2) is provided with an end cover (21), an air outlet (22) is formed in the end cover (21), a mounting frame (3) is arranged in the movable sleeve (2), a cooling fan (4) is arranged on one side, facing the air outlet (22), of the mounting frame (3), an air guide pipe (31) penetrates through the mounting frame (3), a shunt pipe (32) which inclines upwards towards the air inlet and a shunt pipe (32) which inclines downwards towards the air inlet are sequentially arranged on the periphery of the air guide pipe (31) along the length direction, the shunt pipe (32) comprises a direct current portion (33) and a backflow portion (34), the direct current portion (33) is communicated with the air guide pipe (31) in a linear shape, and the backflow portion (34) is communicated with the air guide pipe (31) in a linear shape; the movable sleeve (2) is also internally provided with a cooling pipe, cooling liquid flows in the cooling pipe, and the cooling pipe comprises a first cooling pipe (23) distributed on the shell of the motor group (1) and a second cooling pipe (24) distributed on the inner wall of the movable sleeve (2).

2. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 1, wherein: motor unit (1) includes host computer room (11) and brush room (12), is equipped with a plurality of first radiating fin (13) on the shell of host computer room (11), is equipped with a plurality of second radiating fin (14) on the shell of brush room (12), all is equipped with radial heat conduction fin (15) that extend on every first radiating fin (13), and the bottom of heat conduction fin (15) is equipped with arcwall face (16), forms cooling channel (17) between the bottom of heat conduction fin (15) and the host computer shell.

3. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 1, wherein: be equipped with electro-magnet (35) in mounting bracket (3), be equipped with installation axle (36) that stretch into in mounting bracket (3) on radiator fan (4), the cover is equipped with first spring (37) on installation axle (36), and the tip of installation axle (36) is equipped with and is used for first magnetic block (38) with electro-magnet (35) cooperation absorption, and the one end and the mounting bracket (3) of first spring (37) are connected, and the other end and the first magnetic block (38) of first spring (37) are connected.

4. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 3, wherein: cooling fan (4) are including the heat dissipation motor, be equipped with rotation cover (41) on the drive shaft of heat dissipation motor, the outside of rotating cover (41) is equipped with electromagnet ring (42), the outside of electromagnet ring (42) is equipped with installation cover (43), installation cover (43) are equipped with a plurality of through groove (44) along the circumferencial direction, the outer end of through groove (44) is equipped with mount pad (45), swing joint has radiator vane (46) in mount pad (45), the inner of radiator vane (46) is equipped with telescopic link (461), telescopic link (461) pass mount pad (45) and extend to in through groove (44), the tip of telescopic link (461) is equipped with and is used for the second magnetic block (462) with electromagnet ring (42) cooperation absorption, the cover is equipped with second spring (463) on telescopic link (461), the one end and the radiator vane (46) of second spring (463) are connected, the other end and the mount pad (45) of second spring (463) are connected.

5. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 4, wherein: a connecting seat (5) is arranged on one side, facing the air outlet (22), of the rotating sleeve (41), a connecting groove (51) is arranged in the connecting seat (5), a movable rod (52) is connected in the connecting groove (51) through a spline sleeve, a rotating plate (53) is arranged at one end of the movable rod (52), and a cleaning brush (54) which is abutted to the end cover (21) and used for cleaning the air outlet (22) is arranged on the rotating plate (53); the other end of the movable rod (52) is provided with a third spring (55), one end of the third spring (55) is connected with the movable rod (52), and the other end of the third spring (55) is connected with the connecting groove (51).

6. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 1, wherein: the inner wall of the movable sleeve (2) is provided with a spiral groove and a guide groove (25); a fixing buckle for fixing the first cooling pipe (23) is arranged in the spiral groove, and the length direction of the guide groove (25) is consistent with the length direction of the air guide pipe (31).

7. The dual cooling device for a pumped-hydro energy storage electric machine according to claim 4, wherein: the bottom of the movable sleeve (2) is provided with a movable trolley (6), the movable trolley (6) is provided with a water tank (61) and a water pump, and the water pump, the water tank (61) and the cooling pipe are connected.

8. The dual thermal reduction apparatus for a pumped-storage electric machine according to claim 7, wherein: dual heat sink still includes controller and temperature collector, temperature collector is equipped with movable probe (71) with temperature sensor (7) swing joint including installing in the outside temperature sensor (7) of movable sleeve (2) on temperature sensor (7), and the output of temperature sensor (7) is connected with the input of controller, and the output and electromagnet (35), heat dissipation motor, electromagnet ring (42) and the water pump of controller are connected.

9. The dual thermal reduction apparatus for a pumped-hydro energy storage electric machine of claim 8, wherein: the movable probe (71) penetrates through the movable sleeve (2) and extends to a position between the adjacent second radiating fins (14), the movable probe (71) is provided with a mounting plate (72), the mounting plate (72) is provided with a fourth spring (73) sleeved outside the movable probe (71), one end of the fourth spring (73) is connected with the mounting plate (72), and the other end of the fourth spring (73) is connected with the movable sleeve (2).