Energy-saving water-cooled motor

Abstract

The invention relates to the technical field of water-cooled motors, in particular to an energy-saving water-cooled motor, which comprises a shell and a plurality of groups of heat exchange parts, the multiple sets of heat exchange parts are arranged in the shell, each heat exchange part comprises a plurality of arc-shaped channels arranged in the shell, the two ends of each arc-shaped channel communicate with communicating pipes, the arc-shaped channels are jointly connected with a filter cavity in series, a cover plate is arranged at the filter cavity, and a plurality of activated carbon columns are detachably connected to the cover plate. The activated carbon columns are distributed in an arrowhead shape from the arc-shaped channel opening to the middle of the filtering cavity, one communicating pipe in every two adjacent heat exchange parts is communicated through a middle pipe, and the communicating pipes in the heat exchange parts on the two sides are communicated with a first pipeline and a second pipeline respectively. Scale particles in water are more easily deposited in the filtering cavity and adsorbed by the activated carbon column, the heat exchange effect of the arc-shaped channel cannot be affected by deposition of the scale for a long time, and the heat dissipation efficiency of the motor is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of water-cooled motors, and in particular to an energy-saving water-cooled motor. Background Art

[0002] The motor generates a lot of heat during operation. In order to cool the motor, some water-cooled motors have been invented on the market. The cooling water exchanges heat with the motor through the channel set in the motor casing to achieve motor cooling. However, when the cooling water exchanges heat, the water temperature increases and scale particles are generated in the water. For a long time, the scale particles will adhere to the channel. As the thickness of the scale layer gradually increases, it will affect the heat exchange efficiency between the cooling water and the inside of the motor, thereby affecting the heat dissipation efficiency of the motor. Summary of the Invention

[0003] In view of this, the purpose of the present invention is to propose an energy-saving water-cooled motor to solve the problem that as the thickness of the scale layer gradually increases, it will affect the heat exchange efficiency between the cooling water and the inside of the motor, thereby affecting the heat dissipation efficiency of the motor.

[0004] Based on the above objectives, the present invention provides an energy-saving water-cooled motor, comprising a motor housing and a rotating shaft, further comprising: an outer shell and multiple sets of heat exchange parts, wherein: The shell is wrapped around the outside of the motor housing; Multiple groups of heat exchange parts are arranged inside the shell, and the heat exchange parts include multiple arc-shaped channels arranged inside the shell, and both ends of the multiple arc-shaped channels are connected to a connecting pipe. A filter cavity is commonly connected in series on the multiple arc-shaped channels, and both ends of the filter cavity are arc-shaped. A cover plate is provided at the filter cavity, and the cover plate is detachably connected to the shell. A plurality of activated carbon columns are detachably connected to the cover plate, and the plurality of activated carbon columns are distributed in an arrow shape from the arc-shaped channel mouth to the middle of the filter cavity. One of the connecting pipes in adjacent heat exchange parts is connected through an intermediate pipe, and the connecting pipes in the heat exchange parts on both sides are respectively connected to the first pipe and the second pipe; When water flows from the arc channel into the filter chamber, the cross-sectional area inside the filter chamber is larger than the cross-sectional area inside the arc channel. At the same time, multiple activated carbon columns are distributed in an arrow shape from the arc channel mouth to the middle of the filter chamber. At this time, the water flow speed is reduced, making it easier for scale particles in the water to deposit in the filter chamber.

[0005] Optionally, the cover plate is detachably connected to the outer shell by bolts, and one end of the plurality of activated carbon columns is detachably connected to the cover plate by being inserted into a groove provided on the cover plate. When the cover plate is installed, the other end of the activated carbon column is pressed against the motor housing.

[0006] Optionally, the water-cooled motor further includes a water circulation part, which is connected to the two shells and is used to circulate cooling water to the shells in forward and reverse directions.

[0007] Optionally, the water circulation unit includes a water tank, the water tank has a first accommodating chamber and a second accommodating chamber arranged at the top, and a third accommodating chamber arranged at the bottom, the first accommodating chamber is provided with a first solenoid valve, the second accommodating chamber is provided with a second solenoid valve, the third accommodating chamber is provided with a water level sensor and a third pipe, the third pipe is connected in series with a water pump, one end of the third pipe is connected to a fourth pipe, the fourth pipe is connected in series with a third solenoid valve and a fourth solenoid valve respectively located on both sides of the third pipe, the two ends of the fourth pipe are connected to a fifth pipe and a sixth pipe respectively, the two ends of the fifth pipe are connected to the two first pipes respectively, the two ends of the sixth pipe are connected to the two second pipes respectively, and the third pipe is connected in series with the fourth pipe. A first water outlet pipe is connected in series to the five pipes, a fifth solenoid valve is connected in series to the first water outlet pipe, a second water outlet pipe is connected in series to the sixth pipe, a sixth solenoid valve is connected in series to the second water outlet pipe, and the above-mentioned solenoid valves and water level sensors are electrically connected to a controller, wherein when the first solenoid valve, the third solenoid valve and the two sixth solenoid valves are opened, the second solenoid valve, the fourth solenoid valve and the two fifth solenoid valves are closed; when the first solenoid valve, the third solenoid valve and the two sixth solenoid valves are closed, the second solenoid valve, the fourth solenoid valve and the two fifth solenoid valves are opened, and the controller controls the solenoid valves to open or close in the above-mentioned manner through the signal of the water level sensor, thereby realizing the supply of cooling water to the shell in a positive and negative circulation.

[0008] Optionally, a purification unit is provided in each of the first accommodating chamber and the second accommodating chamber, and the purification unit is used to further absorb scale particles in the water in the first accommodating chamber and the second accommodating chamber.

[0009] Optionally, the purification part includes a rotating shaft rotatably arranged in the first and second accommodating chambers, a balance wheel is fixedly provided in the middle of the rotating shaft, and blades are provided on the surface of half the circumference of the balance wheel, and the blades are located below the water outlet of the first water outlet pipe or the second water outlet pipe, a connecting rod is fixedly connected to the rotating shaft, a mesh frame is provided at one end of the connecting rod, and activated carbon balls are provided in the mesh frame, and a pressure relief valve is also connected in series to the first water outlet pipe and the second water outlet pipe, and the fifth solenoid valve and the sixth solenoid valve are adjusted from an open state to an intermittent open state, when water flows from the first water outlet pipe or the second water outlet pipe outlet to the blades, it drives the balance wheel to rotate, and then drives the activated carbon balls in the mesh frame to swing through the rotating shaft, and when the fifth solenoid valve and the sixth solenoid valve are in an intermittent closed state, the water flows out from the pressure relief valve, the balance wheel loses the impact force of the water flow, and relies on gravity to swing back, and this cycle drives the activated carbon balls to swing back and forth.

[0010] Optionally, a heat dissipation portion is provided in each of the first accommodating cavity and the second accommodating cavity, and the heat dissipation portion is used to dissipate heat from the water flowing out of the first water outlet pipe and the second water outlet pipe.

[0011] Optionally, the heat dissipation portion includes a connecting shaft rotatably disposed in the first accommodating cavity and the second accommodating cavity, the connecting shaft is annularly distributed with fan blades, and the connecting shaft is transmission-connected to the rotating shaft via a transmission belt assembly.

[0012] Water flows in from the first pipe or the second pipe, and then reaches the connecting pipe, and is diverted from the connecting pipe to reach multiple arc channels for heat exchange with the motor housing. Since the cross-sectional area of the arc channel is small, the water flow is faster and scale particles are not easy to deposit in the arc channel. When the water flows from the arc channel into the filter cavity, the cross-sectional area of the filter cavity is larger than the cross-sectional area of the arc channel. At the same time, multiple activated carbon columns are distributed in an arrow shape from the arc channel mouth to the middle of the filter cavity to block the water flow. The two ends of the filter cavity are arc-shaped, which can produce a certain swirling effect on the water flow. At this time, the water flow speed is reduced, making it easier for scale particles in the water to deposit in the filter cavity and be adsorbed by the activated carbon columns. The heat exchange effect of the arc channel will not be affected by the deposition of scale for a long time, thereby ensuring the heat dissipation efficiency of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic structural diagram of a heat exchange portion according to an embodiment of the present invention; Figure 2 for Figure 1 Side view of the middle filter chamber; Figure 3 A top view of a water tank according to an embodiment of the present invention; Figure 4 It is a front cross-sectional view of a water tank according to an embodiment of the present invention.

[0015] The numbers in the figure are: 1. Motor housing; 2. Rotating shaft; 3. Outer shell; 4. Arc channel; 5. Connecting pipe; 6. Filter chamber; 7. Cover plate; 8. Activated carbon column; 9. Intermediate pipe; 10. First pipe; 11. Second pipe; 12. Water tank; 13. First accommodating chamber; 14. Second accommodating chamber; 15. Third accommodating chamber; 16. First solenoid valve; 17. Second solenoid valve; 18. Water level sensor; 19. Third pipe; 20. Water pump; 21. Fourth pipe; 22. Third solenoid valve; 23. Fourth solenoid valve; 24. Fifth pipe; 25. Sixth pipe; 26. First water outlet pipe; 27. Fifth solenoid valve; 28. Second water outlet pipe; 29. Sixth solenoid valve; 30. Rotating shaft; 31. Balance wheel; 32. Blades; 33. Connecting rod; 34. Frame; 35. Pressure relief valve; 36. Connecting shaft; 37. Fan blades. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to specific embodiments.

[0017] It should be noted that, unless otherwise defined, the technical or scientific terms used in the present invention should have the usual meanings understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0018] like Figure 1-Figure 2 As shown, an energy-saving water-cooled motor includes a motor housing 1 and a rotating shaft 2, and also includes: a shell 3 and multiple groups of heat exchange parts, wherein: The housing 3 is wrapped around the outside of the motor housing 1; Multiple groups of heat exchange parts are arranged inside the shell 3, and the heat exchange parts include multiple arc-shaped channels 4 arranged inside the shell 3. Both ends of the multiple arc-shaped channels 4 are connected with a connecting pipe 5. A filter chamber 6 is connected in series with the multiple arc-shaped channels 4. The two ends of the filter chamber 6 are arc-shaped. A cover plate 7 is provided at the filter chamber 6. The cover plate 7 is detachably connected to the shell 3. Multiple activated carbon columns 8 are detachably connected to the cover plate 7. The multiple activated carbon columns 8 are distributed in an arrow shape from the mouth of the arc-shaped channel 4 to the middle of the filter chamber 6. One of the connecting pipes 5 in the adjacent heat exchange parts is connected through an intermediate pipe 9. The connecting pipes 5 in the heat exchange parts on both sides are respectively connected with a first pipe 10 and a second pipe 11; When water flows from the arc channel 4 into the filter chamber 6, the cross-sectional area inside the filter chamber 6 is larger than the cross-sectional area inside the arc channel 4. At the same time, multiple activated carbon columns 8 are distributed in an arrow shape from the mouth of the arc channel 4 to the middle of the filter chamber 6. At this time, the water flow speed is reduced, making it easier for scale particles in the water to deposit in the filter chamber 6.

[0019] During operation, water flows in from the first pipe 10 or the second pipe 11, and then reaches the connecting pipe 5, and is diverted from the connecting pipe 5 to reach multiple arc channels 4 for heat exchange with the motor housing 1. Since the cross-sectional area of the arc channel 4 is small, the water flows faster, and scale particles are not easy to deposit in the arc channel 4. When the water flows from the arc channel 4 into the filter chamber 6, the cross-sectional area of the filter chamber 6 is larger than the cross-sectional area of the arc channel 4. At the same time, multiple activated carbon columns 8 are distributed in an arrow shape from the mouth of the arc channel 4 to the middle of the filter chamber 6 to block the water flow. The two ends of the filter chamber 6 are arc-shaped, which can produce a certain swirling effect on the water flow. At this time, the water flow speed is reduced, making it easier for scale particles in the water to deposit in the filter chamber 6 and be adsorbed by the activated carbon columns 8. The heat exchange effect of the arc channel 4 will not be affected by the deposition of scale for a long time, thereby ensuring the heat dissipation efficiency of the motor.

[0020] In some embodiments, the cover plate 7 is detachably connected to the housing 3 via bolts, and one end of the plurality of activated carbon columns 8 is detachably connected to the cover plate 7 by being inserted into a groove provided on the cover plate 7. When the cover plate 7 is installed, the other end of the activated carbon column 8 is tightly abutted against the motor housing 1. When the activated carbon column 8 needs to be replaced after a period of operation, the cover plate 7 can be removed and the activated carbon column 8 can be replaced, or the cover plate 7 and activated carbon column 8 can be replaced as a whole. Compared to the existing method of cleaning the entire channel, this improves the cleaning efficiency of scale particles.

[0021] In order to provide cooling water to the housing 3 by circulating in the forward and reverse directions, a backwash effect is achieved, and the deposition of scale particles in the arc-shaped channel 4 is further reduced. Figure 3-Figure 4As shown, in some embodiments, the water-cooled motor further includes a water circulation part, which is connected to the two shells 3 and is used to circulate cooling water to the shells 3 in forward and reverse directions.

[0022] Optionally, the water circulation unit includes a water tank 12, which has a first accommodating chamber 13 and a second accommodating chamber 14 arranged at the top, and a third accommodating chamber 15 arranged at the bottom. The first accommodating chamber 13 is provided with a first solenoid valve 16, and the second accommodating chamber 14 is provided with a second solenoid valve 17. The third accommodating chamber 15 is provided with a water level sensor 18 and a third pipe 19. A water pump 20 is connected in series to the third pipe 19. One end of the third pipe 19 is connected to a fourth pipe 21. The fourth pipe 21 is connected in series with a third solenoid valve 22 and a fourth solenoid valve 23 respectively located on both sides of the third pipe 19. The two ends of the fourth pipe 21 are respectively connected to a fifth pipe 24 and a sixth pipe 25, and the two ends of the fifth pipe 24 are respectively connected to the two first pipes 10, and the two ends of the sixth pipe 25 are respectively connected to the two second pipes 11. A first water outlet pipe 26 is connected in series to the fifth pipe 24, a fifth solenoid valve 27 is connected in series to the first water outlet pipe 26, a second water outlet pipe 28 is connected in series to the sixth pipe 25, a sixth solenoid valve 29 is connected in series to the second water outlet pipe 28, and the above-mentioned solenoid valves and the water level sensor 18 are electrically connected to a controller, wherein when the first solenoid valve 16, the third solenoid valve 22 and the two sixth solenoid valves 29 are opened, the second solenoid valve 17, the fourth solenoid valve 23 and the two fifth solenoid valves 27 are closed; when the first solenoid valve 16, the third solenoid valve 22 and the two sixth solenoid valves 29 are closed, the second solenoid valve 17, the fourth solenoid valve 23 and the two fifth solenoid valves 27 are opened. The controller controls the solenoid valves to open or close in the above-mentioned manner according to the signal of the water level sensor 18, thereby realizing the supply of cooling water to the housing 3 in a forward and reverse circulation manner.

[0023] During operation, when the first solenoid valve 16, the third solenoid valve 22 and the two sixth solenoid valves 29 are opened, and the second solenoid valve 17, the fourth solenoid valve 23 and the two fifth solenoid valves 27 are closed, the water in the first accommodating chamber 13 flows into the third accommodating chamber 15. At this time, the water pump 20 works to pump the water in the third accommodating chamber 15 out through the third pipe 19, and then passes through the fourth pipe 21 and the fifth pipe 24, flows from the first pipe 10 into the inside of the shell 3, and then flows out from the second pipe 11 and flows into the second accommodating chamber 14, and dissipates heat in the second accommodating chamber 14. When the water in the first accommodating chamber 13 flows out, the water in the third accommodating chamber 15 will gradually decrease. When the water level drops to the water level sensor 18, the water level sensor 18 receives a signal, and the controller controls the first solenoid valve 16, the third solenoid valve 22 and the two sixth solenoid valves. When 29 is closed, the second solenoid valve 17, the fourth solenoid valve 23 and the two fifth solenoid valves 27 are opened, and the water in the second accommodating chamber 14 flows into the third accommodating chamber 15. At this time, the water pump 20 works to extract the water in the third accommodating chamber 15 through the third pipe 19, and then passes through the fourth pipe 21 and the sixth pipe 25, flows from the second pipe 11 into the inside of the shell 3, and then flows out from the first pipe 10 and flows into the first accommodating chamber 13, and dissipates heat in the first accommodating chamber 13. In this cycle, cooling water is provided to the shell 3 by circulating in the forward and reverse directions to achieve a recoil effect, further reducing the deposition of scale particles in the arc channel 4. At the same time, the water circulates in the forward and reverse directions, and can circulate through the activated carbon column 8 from both the forward and reverse sides, which can more comprehensively utilize the adsorption effect of the activated carbon column 8, and can cool the two motors at the same time, which is more energy-efficient.

[0024] In order to further reduce the impact of scale particles, such as Figure 4 As shown, in some embodiments, a purification unit is provided in each of the first accommodating chamber 13 and the second accommodating chamber 14 , and the purification unit is used to further absorb scale particles in the water in the first accommodating chamber 13 and the second accommodating chamber 14 .

[0025] Optionally, the purification unit includes a rotating shaft 30 rotatably arranged in the first accommodating chamber 13 and the second accommodating chamber 14, a balance wheel 31 is fixedly provided in the middle of the rotating shaft 30, and a blade 32 is provided on the surface of half the circumference of the balance wheel 31, and the blade 32 is located below the water outlet of the first water outlet pipe 26 or the second water outlet pipe 28, a connecting rod 33 is fixedly connected to the rotating shaft 30, and a mesh frame 34 is provided at one end of the connecting rod 33, and activated carbon balls are provided in the mesh frame 34, and the first water outlet pipe 26 and the second water outlet pipe 28 are also connected in series. It is connected to a pressure relief valve 35, and the fifth solenoid valve 27 and the sixth solenoid valve 29 are adjusted from an open state to an intermittently open state. When water flows from the outlet of the first water outlet pipe 26 or the second water outlet pipe 28 and hits the blade 32, it drives the balance wheel 31 to rotate, and then drives the activated carbon balls in the mesh frame 34 to swing through the rotating shaft 30. When the fifth solenoid valve 27 and the sixth solenoid valve 29 are in an intermittent closed state, the water flows out from the pressure relief valve 35, and the balance wheel 31 loses the impact force of the water flow and swings back by gravity. This cycle drives the activated carbon balls to swing back and forth.

[0026] During operation, when the water flow hits the blades 32 from the first water outlet pipe 26 or the second water outlet pipe 28, it will drive the balance wheel 31 to rotate, and then drive the activated carbon balls in the mesh frame 34 to swing through the rotating shaft 30. When the fifth solenoid valve 27 and the sixth solenoid valve 29 are in intermittent closure, the water flow is not discharged from the first water outlet pipe 26 or the second water outlet pipe 28, but is discharged from the pressure relief valve 35. At this time, the balance wheel 31 loses the impact force of the water flow and swings back by gravity. In this way, the activated carbon balls are driven to swing back and forth in a cycle. At this time, the scale particles in the water in the first and second accommodating chambers 13 and 14 are adsorbed and purified by the swinging of the activated carbon balls. The adsorption and purification effect of the swinging activated carbon balls is compared with that of the stationary activated carbon balls. It can more fully adsorb scale particles in a short time because there is not enough time for the water in the first and second accommodating chambers 13 and 14 to stand still during the circulation process so that the scale particles can be freely deposited.

[0027] like Figure 4 As shown, in some embodiments, a heat dissipation unit is provided in each of the first accommodating chamber 13 and the second accommodating chamber 14, and is used to dissipate heat from the water flowing out of the first water outlet pipe 26 and the second water outlet pipe 28. Optionally, the heat dissipation unit includes a connecting shaft 36 rotatably disposed in the first accommodating chamber 13 and the second accommodating chamber 14, with fan blades 37 distributed annularly on the connecting shaft 36, and the connecting shaft 36 is transmission-connected to the rotating shaft 2 via a transmission belt assembly.

[0028] When the motor is working, the rotation of the rotating shaft 2 can drive the connecting shaft 36 to rotate through the transmission belt assembly, and then drive the fan blades 37 to rotate, dissipating the heat of the flowing dynamic water, thereby accelerating the heat dissipation of the water.

[0029] It should be understood by those skilled in the art that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the above aspects of the present invention, which are not provided in detail for the sake of simplicity.

[0030] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An energy-saving water-cooled motor, comprising a motor housing (1) and a rotating shaft (2), characterized in that: Also includes: A shell (3) and a plurality of heat exchange parts, wherein: The housing (3) is wrapped around the outside of the motor housing (1); Multiple groups of heat exchange parts are arranged inside the shell (3), and the heat exchange parts include multiple arc-shaped channels (4) arranged inside the shell (3), and both ends of the multiple arc-shaped channels (4) are connected with a connecting pipe (5). A filter cavity (6) is connected in series with the multiple arc-shaped channels (4), and both ends of the filter cavity (6) are arc-shaped. A cover plate (7) is provided at the filter cavity (6), and the cover plate (7) is detachably connected to the shell (3). Multiple activated carbon columns (8) are detachably connected to the cover plate (7), and the multiple activated carbon columns (8) are distributed in an arrow shape from the mouth of the arc-shaped channel (4) to the middle of the filter cavity (6). One of the connecting pipes (5) in the adjacent heat exchange parts is connected through an intermediate pipe (9), and the connecting pipes (5) in the heat exchange parts on both sides are respectively connected with a first pipe (10) and a second pipe (11); When water flows from the arc-shaped channel (4) into the filter chamber (6), the cross-sectional area of the filter chamber (6) is larger than the cross-sectional area of the arc-shaped channel (4), and at the same time, the plurality of activated carbon columns (8) are distributed in an arrow shape from the mouth of the arc-shaped channel (4) to the middle of the filter chamber (6). At this time, the speed of the water flow is reduced, making it easier for scale particles in the water to deposit in the filter chamber (6).

2. The energy-saving water-cooled motor according to claim 1, characterized in that: The cover plate (7) is detachably connected to the housing (3) via bolts, and one end of a plurality of activated carbon columns (8) is detachably connected to the cover plate (7) by being inserted into a groove provided on the cover plate (7). When the cover plate (7) is installed, the other end of the activated carbon column (8) is tightly pressed against the motor housing (1).

3. The energy-saving water-cooled motor according to claim 1, characterized in that: The water-cooled motor further comprises a water circulation part, which is in communication with the two shells (3) and is used for circulating cooling water to the shells (3) in forward and reverse directions.

4. The energy-saving water-cooled motor according to claim 3, characterized in that: The water circulation unit comprises a water tank (12), wherein the water tank (12) comprises a first accommodating chamber (13) and a second accommodating chamber (14) arranged at the top, and a third accommodating chamber (15) arranged at the bottom, wherein the first accommodating chamber (13) is provided with a first electromagnetic valve (16), the second accommodating chamber (14) is provided with a second electromagnetic valve (17), the third accommodating chamber (15) is provided with a water level sensor (18) and a third pipe (19), and the third pipe (19) is connected in series with a water pump (2 0), one end of the third pipe (19) is connected to a fourth pipe (21), a third solenoid valve (22) and a fourth solenoid valve (23) are connected in series to the fourth pipe (21), which are respectively located on both sides of the third pipe (19), and the two ends of the fourth pipe (21) are respectively connected to a fifth pipe (24) and a sixth pipe (25), the two ends of the fifth pipe (24) are respectively connected to the two first pipes (10), and the two ends of the sixth pipe (25) are respectively connected to the two second pipes (11). The fifth pipe (24) is connected in series with a first water outlet pipe (26), the first water outlet pipe (26) is connected in series with a fifth solenoid valve (27), the sixth pipe (25) is connected in series with a second water outlet pipe (28), the second water outlet pipe (28) is connected in series with a sixth solenoid valve (29), the solenoid valves and the water level sensor (18) are connected in series with a controller, wherein when the first solenoid valve (16), the third solenoid valve (22) and the two sixth solenoid valves (29) are opened, the second solenoid valve (17), the fourth solenoid valve (23) and the two fifth solenoid valves (27) are closed; when the first solenoid valve (16), the third solenoid valve (22) and the two sixth solenoid valves (29) are closed, the second solenoid valve (17), the fourth solenoid valve (23) and the two fifth solenoid valves (27) are opened, and the controller controls the solenoid valves to be opened or closed in the above manner according to the signal of the water level sensor (18), so as to realize the supply of cooling water to the shell (3) in a positive and negative circulation manner.

5. The energy-saving water-cooled motor according to claim 4, characterized in that: Purification parts are provided in both the first accommodating chamber (13) and the second accommodating chamber (14), and the purification parts are used to further absorb scale particles in the water in the first accommodating chamber (13) and the second accommodating chamber (14).

6. The energy-saving water-cooled motor according to claim 5, characterized in that: The purification part includes a rotating shaft (30) rotatably arranged in the first accommodating chamber (13) and the second accommodating chamber (14), a balance wheel (31) is fixedly provided in the middle of the rotating shaft (30), a blade (32) is provided on the surface of half the circumference of the balance wheel (31), and the blade (32) is located below the water outlet of the first water outlet pipe (26) or the second water outlet pipe (28), a connecting rod (33) is fixedly connected to the rotating shaft (30), a mesh frame (34) is provided at one end of the connecting rod (33), and activated carbon balls are provided in the mesh frame (34), and the first water outlet pipe (26) and the second water outlet pipe (28) are provided with a plurality of active carbon balls. A pressure relief valve (35) is also connected in series. The fifth solenoid valve (27) and the sixth solenoid valve (29) are adjusted from an open state to an intermittent open state. When water flows from the outlet of the first water outlet pipe (26) or the second water outlet pipe (28) and impacts the blade (32), the pendulum (31) is driven to rotate, and then the activated carbon balls in the net frame (34) are driven to swing through the rotating shaft (30). When the fifth solenoid valve (27) and the sixth solenoid valve (29) are in an intermittent closed state, the water is discharged from the pressure relief valve (35), and the pendulum (31) loses the impact force of the water flow and swings back by gravity. In this cycle, the activated carbon balls are driven to swing back and forth.

7. The energy-saving water-cooled motor according to claim 4, characterized in that: The first accommodating cavity (13) and the second accommodating cavity (14) are both provided with a heat dissipation portion, and the heat dissipation portion is used to dissipate heat from the water flowing out of the first water outlet pipe (26) and the second water outlet pipe (28).

8. The energy-saving water-cooled motor according to claim 7, characterized in that: The heat dissipation portion comprises a connecting shaft (36) rotatably arranged in the first accommodating cavity (13) and the second accommodating cavity (14), with fan blades (37) distributed in an annular pattern on the connecting shaft (36), and the connecting shaft (36) is transmission-connected to the rotating shaft (2) via a transmission belt assembly.

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