CN113708569A - Water cooling structure for motor rotor - Google Patents
Water cooling structure for motor rotor Download PDFInfo
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- CN113708569A CN113708569A CN202111095482.XA CN202111095482A CN113708569A CN 113708569 A CN113708569 A CN 113708569A CN 202111095482 A CN202111095482 A CN 202111095482A CN 113708569 A CN113708569 A CN 113708569A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a water cooling structure for a motor rotor, which comprises a water cooling structure body arranged on a motor and a rotating shaft connected with the rotor on the motor, wherein the water cooling structure body comprises a water storage box with an opening at the right side, the top of the water storage box is movably contacted with the bottom of the motor, the right side of the water storage box is fixedly connected with a cover plate, a heat-conducting plate is embedded on the inner wall of the top of the water storage box, the top of the heat-conducting plate extends to the upper part of the water storage box and is flush with the top of the water storage box, and the top of the heat-conducting plate is movably contacted with the bottom of the motor. The invention is convenient for water cooling of the motor and the rotating shaft, can effectively cool the rotating shaft by a mode of heat absorption and cooling of the rotating shaft from the inner side and the outer side, thereby realizing cooling treatment of the rotor connected with the rotating shaft, improving the cooling and heat dissipation effects, being convenient for automatically and timely replacing cooling water, not needing personnel to change water periodically, ensuring the cooling and heat dissipation stability and meeting the use requirements.
Description
Technical Field
The invention relates to the technical field of water cooling structures, in particular to a water cooling structure for a motor rotor.
Background
Because the driving motor for the electric automobile pursuits high power and high torque density as much as possible, the motor has higher temperature rise in the working process, thereby causing serious influence on the running performance, efficiency, service life and reliability of the motor;
the mode that prior art adopted to set up the fan on the rotor usually improves the heat dissipation of rotor, but adopts the air-cooled mode of motor fan can not be effectual to the pivot that is connected with the rotor processing of cooling down, and when the fan blows the rotor of rotating, not only can increase the wind friction loss of rotor, but also can increase the noise of motor, can not satisfy the user demand, therefore we have proposed a water-cooling structure for electric motor rotor and have been used for solving above-mentioned problem.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a water cooling structure for a motor rotor.
The invention provides a water cooling structure for a motor rotor, which comprises a water cooling structure body arranged on a motor and a rotating shaft connected with the rotor on the motor, wherein the water cooling structure body comprises a water storage box with an opening at the right side, the top of the water storage box is in movable contact with the bottom of the motor, the right side of the water storage box is fixedly connected with a cover plate, a heat conducting plate is embedded on the inner wall of the top of the water storage box, the top of the heat conducting plate extends to the upper part of the water storage box and is flush with the top of the water storage box, the top of the heat conducting plate is in movable contact with the bottom of the motor, the top of the water storage box is fixedly connected with a water supply mechanism, the bottom of the water supply mechanism extends into the water storage box, the water supply mechanism is movably sleeved on the motor, the top of the motor is in movable contact with two mounting blocks, the water supply mechanism is fixedly sleeved on the two mounting blocks, and the top of the motor is in close contact with a T-shaped press-fixing bolt, the top of the T-shaped press-fixing bolt extends to the upper part of the corresponding mounting block, the mounting block is sleeved on the corresponding T-shaped press-fixing bolt in a threaded manner, one side of the water feeding mechanism is fixedly connected with a storage battery, the storage battery is electrically connected with the water feeding mechanism, the same automatic water changing mechanism is installed on the water storage box and the cover plate and is electrically connected with the storage battery, a ring is fixed on the right side of the motor in a magnetic absorption manner, two sealing bearings are fixedly sleeved in the ring, the sealing bearings are movably sleeved on the rotating shaft in a sealing manner, a water storage cavity is formed in the ring, the top of the ring is fixedly connected with the bottom end of the water feeding mechanism, the water feeding mechanism is communicated with the inside of the water storage cavity, a first water outlet hole is formed in the inner wall of the top of the ring and is communicated with the inside of the water storage cavity, a cooling cavity is formed in the rotating shaft, a first water inlet hole is formed in the inner wall of the top of the cooling cavity, a second water outlet hole is formed in the inner wall of the bottom of the cooling cavity, the water storage box comprises a first water inlet hole, a second water outlet hole, a first check valve, a heat conduction water cooling mechanism, a water delivery mechanism, a second water inlet hole, a first water outlet hole, a second water inlet hole, a water storage box and a water delivery mechanism, wherein the first check valve is fixedly connected to the first water inlet hole and the second water outlet hole, the bottom of the first check valve is arranged between the two sealing bearings, the right side of the ring is fixedly connected with the heat conduction water cooling mechanism, the heat conduction water cooling mechanism is movably sleeved on the rotating shaft, the heat conduction water cooling mechanism is electrically connected with the water delivery mechanism, an L-shaped pipe is communicated and fixed to the bottom of the heat conduction water cooling mechanism, a first water outlet pipe is embedded to the inner wall of the bottom of the ring, the left end of the L-shaped pipe is communicated and fixed to the right bottom of the first water outlet pipe, the second water inlet hole is communicated with the top of the water storage box in a sealing and movable contact mode.
Preferably, the water feeding mechanism comprises an L-shaped heat pipe fixedly connected to the top of the water storage box, the L-shaped heat pipe is movably sleeved on the motor, the left inner wall and the top inner wall of the L-shaped heat pipe are respectively in movable contact with the left side and the top of the motor, the L-shaped heat pipe is fixedly sleeved on the two mounting blocks, the left side of the top of the water storage box is fixedly connected with a water pump, a pumping end of the water pump extends into the water storage box and is fixedly connected with a water suction head, a water outlet end of the water pump is communicated and fixed with the bottom of the left side of the L-shaped heat pipe, the water pump is electrically connected with a storage battery, the top inner wall of the L-shaped heat pipe is in movable contact with a second water outlet pipe in a sealing mode, the second water outlet pipe is embedded and fixed to the top of the circular ring, the second water outlet pipe is communicated with the inside of the water storage cavity, a third water outlet hole is formed in the bottom of the inner side of the L-shaped heat pipe, and the third water outlet hole is communicated with the second water outlet pipe.
Preferably, the automatic water changing mechanism comprises a water inlet pipe and a third water outlet pipe which are communicated and fixed on the left side of the water storage box, the left end of the water inlet pipe and the left end of the third water outlet pipe are communicated and fixed with electromagnetic valves, a temperature control switch is fixedly connected to the right side of the cover plate, a detection end of the temperature control switch extends into the water storage box, the temperature control switch is electrically connected with the storage battery, and the temperature control switch is electrically connected with the two electromagnetic valves.
Preferably, heat conduction water-cooling mechanism includes the annular heat pipe of fixed connection on the ring right side, the inboard of annular heat pipe is the annular and inlays and be equipped with a plurality of heat conduction balls, the outside rolling contact of heat conduction ball and pivot, the right side of ring is inlayed and is equipped with the connecting pipe, the right-hand member of connecting pipe extends to in the annular heat pipe and fixedly connected with second check valve, establish to the export on the right side of second check valve, the left end of connecting pipe is linked together with the inside in water storage chamber, the top of L venturi tube and the bottom left side intercommunication of annular heat pipe are fixed, the inboard bottom fixedly connected with temperature sensor of annular heat pipe, the built-in controller that has, temperature sensor and the inside controller electric connection of water pump.
Preferably, the top and the bottom of the circular ring are both fixedly connected with a first magnet, the right side of the motor is fixedly connected with two second magnets, and the right sides of the second magnets are attracted to the left sides of the corresponding first magnets.
Preferably, a sealing rubber sheet is fixedly bonded in the inner ring of the sealing bearing, the inner side of the sealing rubber sheet is in movable contact with the outer side of the rotating shaft, a first sealing rubber ring is fixedly bonded at the bottom end of the first water outlet pipe, and the bottom of the first sealing rubber ring is in close contact with the top of the water storage box.
Preferably, a second sealing rubber ring is fixedly bonded to the top end of the second water outlet pipe, and the top of the second sealing rubber ring is in movable contact with the inner wall of the top of the L-shaped heat conducting pipe.
Preferably, two embedded holes are formed in the top and the bottom of the inner side of the L-shaped heat conduction pipe, and the inner walls of the embedded holes are fixedly connected with the outer sides of the corresponding mounting blocks.
Preferably, the top of the mounting block is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding T-shaped pressing bolt.
Preferably, a circular hole is formed in the inner wall of the bottom of the circular ring, and the inner wall of the circular hole is fixedly connected with the outer side of the first water outlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
through a motor, a rotating shaft, a water storage box, an L-shaped heat conduction pipe, an installation block, a T-shaped pressing bolt, a heat conduction plate, a water pump, a storage battery, a ring, an annular heat conduction pipe, a second water outlet pipe, a third water outlet hole, heat conduction balls, a water storage cavity, a cooling cavity, a connecting pipe, a second check valve, a first water outlet hole, a sealing bearing, a first water inlet hole, a first check valve, a second water outlet hole, a first water outlet pipe, an L-shaped pipe, a second water inlet hole, a second magnet and a first magnet which are matched with a temperature sensor, heat generated by the working of a rotor on the motor is transferred to the rotating shaft, the heat on the rotating shaft is transferred to the annular heat conduction pipe through the heat conduction balls, when the temperature sensor detects that the temperature on the annular heat conduction pipe is higher than a preset temperature, a signal is transferred to a controller to control the water pump to be started, a pumping end of the water pump pumps cooling water in the water storage box through a water suction head, and the pumped cooling water is discharged into the L-shaped heat conduction pipe through the water outlet end of the water pump, the heat generated by the work of the motor is transferred to the cooling water in the L-shaped heat conducting pipe, the heat generated by the motor is transferred to the cooling water in the water storage box through the heat conducting plate, the cooling water absorbs the heat to realize the cooling treatment of the motor, the cooling water in the L-shaped heat conducting pipe is discharged into the water storage cavity through the third water outlet hole and the second water outlet pipe in sequence, one part of the water in the water storage cavity enters the cooling cavity through the first water outlet hole, the gap between the two sealed bearings, the first water inlet hole and the first one-way valve positioned in the first water inlet hole, the cooling water in the cooling cavity absorbs the heat generated by the rotating shaft, the other part of the cooling water in the water storage cavity flows into the annular heat conducting pipe through the connecting pipe and the second one-way valve in sequence to absorb the heat transferred by the rotating shaft, thereby realizing the cooling treatment of the rotating shaft, the cooling water in the annular heat conducting pipe flows into the first water outlet pipe through the L-shaped pipe, the cooling water in the cooling cavity enters the first water outlet pipe through the second water outlet hole, the second check valve in the cooling cavity and a gap between the two sealing bearings, the cooling water in the first water outlet pipe enters the water storage box again through the second water inlet hole, and the water pump continuously extracts the cooling water in the water storage box, so that the L-shaped heat conduction pipe, the annular heat conduction pipe and the cooling water in the cooling cavity circularly flow to take away heat, the motor and the rotating shaft are effectively cooled, and the rotor is effectively cooled;
the storage battery, the third water outlet pipe, the water inlet pipe and the electromagnetic valves are matched with the temperature control switch, the electromagnetic valve on the water inlet pipe is connected with an external tap water pipe, the electromagnetic valve on the third water outlet pipe is connected with an external recovery tank, when the temperature control switch detects that the temperature of cooling water in the water storage box is higher than a preset temperature, the temperature control switch controls the two electromagnetic valves to be opened simultaneously, at the moment, the cooling water in the external tap water enters the water storage box through the electromagnetic valve on the water inlet pipe and the water inlet pipe, the cooling water in the water storage box is discharged into the external recovery tank through the third water outlet pipe and the electromagnetic valves on the third water outlet pipe, mixed water changing is gradually formed along with the entering and the flowing-out of the cooling water, the temperature of the cooling water in the water storage box is gradually reduced, when the temperature control switch senses that the temperature of the cooling water in the water storage box is lower than the preset temperature, the two electromagnetic valves are controlled to be closed, and the purpose of automatically and timely changing the water at the time of temperature reduction is realized, and the cooling and heat dissipation stability is ensured.
The invention is convenient for water cooling of the motor and the rotating shaft, can effectively cool the rotating shaft by a mode of heat absorption and cooling of the rotating shaft from the inner side and the outer side, thereby realizing cooling treatment of the rotor connected with the rotating shaft, improving the cooling and heat dissipation effects, being convenient for automatically and timely replacing cooling water, not needing personnel to change water periodically, ensuring the cooling and heat dissipation stability and meeting the use requirements.
Drawings
Fig. 1 is a schematic structural diagram of a water cooling structure for a motor rotor according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural diagram of a motor with a water-cooling structure for a motor rotor according to the present invention, and a rotating shaft in an uninstalled state.
In the figure: 100 motor, 101 pivot, 1 water storage box, 2L shape heat pipe, 3 installation pieces, 4T shape pressure solid bolt, 5 heat-conducting plates, 6 water pumps, 7 batteries, 8 third outlet pipes, 9 inlet tubes, 10 solenoid valves, 11 rings, 12 annular heat pipe, 13 second outlet pipes, 14 third apopores, 15 heat conduction ball, 16 temperature detect switch, 17 water storage chamber, 18 cooling chamber, 19 connecting pipes, 20 second check valves, 21 first apopores, 22 sealed bearing, 23 first inlet openings, 24 first check valves, 25 second apopores, 26 first outlet pipes, 27L venturi tube, 28 second inlet openings, 29 second magnet, 30 first magnet, 31 temperature sensor.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Examples
Referring to fig. 1-4, the embodiment provides a water cooling structure for a motor rotor, which includes a water cooling structure body disposed on a motor 100 and a rotating shaft 101 connected to a rotor on the motor 100, the water cooling structure body includes a water storage box 1 with an opening at the right side, the top of the water storage box 1 is in movable contact with the bottom of the motor 100, the right side of the water storage box 1 is fixedly connected with a cover plate, a heat conducting plate 5 is embedded on the inner wall of the top of the water storage box 1, the top of the heat conducting plate 5 extends to the upper side of the water storage box 1 and is flush with the top of the water storage box 1, the top of the heat conducting plate 5 is in movable contact with the bottom of the motor 100, the top of the water storage box 1 is fixedly connected with a water feeding mechanism, the bottom of the water feeding mechanism extends into the water storage box 1, the water feeding mechanism is movably sleeved on the motor 100, the top of the motor 100 is movably contacted with two mounting blocks 3, the water feeding mechanism is fixedly sleeved on the two mounting blocks 3, the top of the motor 100 is closely contacted with a T-shaped press-fixing bolt 4, the top of the T-shaped press-fixing bolt 4 extends to the upper part of a corresponding mounting block 3, the mounting block 3 is sleeved on the corresponding T-shaped press-fixing bolt 4 in a threaded manner, one side of a water feeding mechanism is fixedly connected with a storage battery 7, the storage battery 7 is electrically connected with the water feeding mechanism, the same automatic water changing mechanism is installed on a water storage box 1 and a cover plate and is electrically connected with the storage battery 7, a ring 11 is fixed on the right side of the motor 100 in a magnetic absorption manner, two sealing bearings 22 are fixedly sleeved in the ring 11, the sealing bearings 22 are movably sleeved on a rotating shaft 101 in a sealing manner, a water storage cavity 17 is formed in the ring 11, the top of the ring 11 is fixedly connected with the bottom end of the water feeding mechanism, the water feeding mechanism is communicated with the inside of the water storage cavity 17, a first water outlet hole 21 is formed in the inner wall of the top of the ring 11, and the first water outlet hole 21 is communicated with the inside of the water storage cavity 17, a cooling cavity 18 is arranged on the rotating shaft 101, a first water inlet hole 23 is arranged on the inner wall of the top of the cooling cavity 18, a second water outlet hole 25 is arranged on the inner wall of the bottom of the cooling cavity 18, a first one-way valve 24 is fixedly connected in the first water inlet hole 23 and the second water outlet hole 25, the bottom of the first one-way valve 24 is arranged as an outlet, the first water inlet hole 23 and the second water outlet hole 25 are both positioned between the two sealing bearings 22, a heat-conducting water cooling mechanism is fixedly connected to the right side of the circular ring 11 and movably sleeved on the rotating shaft 101, the heat-conducting water cooling mechanism is electrically connected with the water feeding mechanism, the bottom of the heat-conducting water cooling mechanism is communicated and fixed with an L-shaped pipe 27, a first water outlet pipe 26 is embedded on the inner wall of the bottom of the circular ring 11, the left end of the L-shaped pipe 27 is communicated and fixed with the bottom of the right side of the first water outlet pipe 26, a second water inlet hole 28 is arranged on the inner wall of the top of the water storage box 1, and the second water inlet hole 28 is communicated with the first water outlet pipe 26, the bottom end of the first water outlet pipe 26 is in sealed movable contact with the top of the water storage box 1;
the water feeding mechanism comprises an L-shaped heat conduction pipe 2 fixedly connected to the top of the water storage box 1, the L-shaped heat conduction pipe 2 is movably sleeved on the motor 100, the inner wall of the left side and the inner wall of the top of the L-shaped heat conduction pipe 2 are respectively in movable contact with the left side and the top of the motor 100, the L-shaped heat conduction pipe 2 is fixedly sleeved on the two mounting blocks 3, the left side of the top of the water storage box 1 is fixedly connected with a water pump 6, the extraction end of the water pump 6 extends into the water storage box 1 and is fixedly connected with a water suction head, the water outlet end of the water pump 6 is communicated and fixed with the bottom of the left side of the L-shaped heat conduction pipe 2, the water pump 6 is electrically connected with the storage battery 7, a second water outlet pipe 13 is in movable contact with the inner wall of the top of the L-shaped heat conduction pipe 2 in a sealing mode, the second water outlet pipe 13 is embedded and fixed to the top of the circular ring 11, the second water outlet pipe 13 is communicated with the interior of the water storage cavity 17, a third water outlet hole 14 is formed in the bottom of the inner side of the L-shaped heat conduction pipe 2, and the third water outlet hole is communicated with the second water outlet pipe 13;
the automatic water changing mechanism comprises a water inlet pipe 9 and a third water outlet pipe 8 which are communicated and fixed on the left side of the water storage box 1, the left end of the water inlet pipe 9 and the left end of the third water outlet pipe 8 are both communicated and fixed with electromagnetic valves 10, the right side of the cover plate is fixedly connected with a temperature control switch 16, the detection end of the temperature control switch 16 extends into the water storage box 1, the temperature control switch 16 is electrically connected with the storage battery 7, and the temperature control switch 16 is electrically connected with the two electromagnetic valves 10;
the heat conduction water cooling mechanism comprises an annular heat conduction pipe 12 fixedly connected to the right side of a ring 11, a plurality of heat conduction balls 15 are annularly embedded in the inner side of the annular heat conduction pipe 12, the heat conduction balls 15 are in rolling contact with the outer side of a rotating shaft 101, a connecting pipe 19 is embedded in the right side of the ring 11, the right end of the connecting pipe 19 extends into the annular heat conduction pipe 12 and is fixedly connected with a second one-way valve 20, the right side of the second one-way valve 20 is provided with an outlet, the left end of the connecting pipe 19 is communicated with the inside of a water storage cavity 17, the top end of an L-shaped pipe 27 is communicated and fixed with the left side of the bottom of the annular heat conduction pipe 12, a temperature sensor 31 is fixedly connected to the bottom of the inner side of the annular heat conduction pipe 12, a controller is arranged in the water pump 6, the temperature sensor 31 is electrically connected with the controller in the water pump 6, the embodiment facilitates water cooling of the motor 100 and the rotating shaft 101, and absorbs heat from the inner side and the outer side of the rotating shaft 101, can effectual countershaft 101 cool down the processing to the realization is cooled down the processing to the rotor that is connected with pivot 101, improves the cooling radiating effect, and is convenient for in time change the cooling water voluntarily, does not need personnel to change water regularly, guarantees cooling heat dissipation stability, satisfies the user demand.
In this embodiment, the top and the bottom of the ring 11 are both fixedly connected with the first magnet 30, the right side of the motor 100 is fixedly connected with two second magnets 29, the right side of each second magnet 29 is adsorbed to the left side of the corresponding first magnet 30, a sealing rubber sheet is bonded and fixed in the inner ring of the sealing bearing 22, the inner side of the sealing rubber sheet is in movable contact with the outer side of the rotating shaft 101, the bottom end of the first water outlet pipe 26 is bonded and fixed with a first sealing rubber ring, the bottom end of the first sealing rubber ring is in tight contact with the top of the water storage box 1, the top end of the second water outlet pipe 13 is bonded and fixed with a second sealing rubber ring, the top end of the second sealing rubber ring is in movable contact with the inner wall of the top of the L-shaped heat conduction pipe 2, the top and the bottom of the inner side of the L-shaped heat conduction pipe 2 are both provided with two embedded holes, the inner walls of the embedded holes are fixedly connected with the outer sides of the corresponding mounting blocks 3, the top of the mounting blocks 3 are provided with threaded holes, 4 threaded connection of screw hole and the T shape of correspondence pressure solid bolt, the circular port has been seted up on the bottom inner wall of ring 11, the inner wall of circular port and first outlet pipe 26's outside fixed connection, this embodiment is convenient for carry out the water-cooling to motor 100 and pivot 101, through the mode that carries out the heat absorption cooling to pivot 101 from inside and outside both sides, can effectually cool down the processing to pivot 101, thereby realize cooling down the processing to the rotor that is connected with pivot 101, improve the cooling radiating effect, and be convenient for in time change the cooling water voluntarily, do not need personnel to change water regularly, guarantee cooling stability, and the user demands are satisfied.
In this embodiment, when in use, the water storage box 1 is filled with cooling water, and generates heat during working with the rotor of the motor 100, the generated heat is transferred to the rotating shaft 101, the heat on the rotating shaft 101 is transferred to the annular heat conducting pipe 12 through the plurality of heat conducting balls 15, the temperature sensor 31 detects the heat generated by the annular heat conducting pipe 12, when the temperature is detected to be higher than the preset temperature, the temperature sensor 31 transmits a signal to the controller, the controller controls the water pump 6 to be turned on, the extraction end of the water pump 6 extracts the cooling water in the water storage box 1 through the water suction head, the extracted cooling water is discharged into the L-shaped heat conducting pipe 2 through the water outlet end of the water pump 6, meanwhile, the heat generated by the working of the motor 100 is transferred to the cooling water in the L-shaped heat conducting pipe 2, the cooling water absorbs the heat, and the motor 100 transfers the heat to the cooling water in the water storage box 1 through the heat conducting plate 5, the cooling water in the water storage box 1 absorbs the heat of the cooling water, so as to realize the cooling treatment of the motor 100, the cooling water in the L-shaped heat conduction pipe 2 is discharged into the water storage cavity 17 through the third water outlet 14 and the second water outlet pipe 13 in sequence, a part of the water in the water storage cavity 17 flows into the space between the two sealed bearings 22 through the first water outlet 21, the other part of the cooling water in the water storage cavity 17 flows into the annular heat conduction pipe 12 through the connecting pipe 19 and the second one-way valve 20 in sequence, meanwhile, the heat on the rotating shaft 101 is transferred to the cooling water in the annular heat conduction pipe 12 through the plurality of heat conduction balls 15, the cooling water in the annular heat conduction pipe 12 absorbs the heat, the rotating shaft 101 can be primarily cooled through the cooling water in the annular heat conduction pipe 12, meanwhile, the cooling water in the two sealed bearings 22 enters the cooling cavity 18 through the first water inlet 23 and the first one-way valve 24 inside the first water inlet 23, the cooling water in the cooling cavity 18 absorbs the heat generated by the rotating shaft 101, so as to realize further cooling, meanwhile, the cooling water in the annular heat conducting pipe 12 flows into the first water outlet pipe 26 through the L-shaped pipe 27, meanwhile, the cooling water in the cooling cavity 18 flows into the space between the two sealed bearings 22 again through the second water outlet hole 25 and the second one-way valve 24 therein, the cooling water between the two sealed bearings 22 enters the first water outlet pipe 26, the cooling water in the first water outlet pipe 26 enters the water storage box 1 again through the second water inlet hole 28, the water pump 6 continuously extracts the cooling water in the water storage box 1, so that the cooling water in the L-shaped heat conducting pipe 2, the annular heat conducting pipe 12 and the cooling cavity 18 circularly flows, the heat is taken away in the circulating flow process of the cooling water, so as to realize effective cooling treatment of the motor 100 and the rotating shaft 101, and the heat absorption and cooling are performed from the inner side and the outer side through the rotating shaft 101, the cooling treatment can be effectively carried out on the rotating shaft 101, and the cooling and heat dissipation of the rotor connected with the rotating shaft 101 can be effectively realized while the rotating shaft 101 is cooled, so that the cooling and heat dissipation effects are improved;
the electromagnetic valve 10 on the water inlet pipe 9 is connected with an external tap water pipe, the electromagnetic valve 10 on the third water outlet pipe 8 is connected with an external recovery tank, the temperature of cooling water is gradually raised along with the absorption of the cooling water to heat, the temperature control switch 16 detects the temperature of the cooling water in the water storage box 1, when the temperature is detected to be higher than the preset temperature, the temperature control switch 16 controls the two electromagnetic valves 10 to be simultaneously opened, at the moment, the cooling water in the external tap water enters the water storage box 1 through the electromagnetic valve 10 on the water inlet pipe 9 and the water inlet pipe 9, the cooling water in the water storage box 1 is discharged into the external recovery tank through the third water outlet pipe 8 and the electromagnetic valve 10 thereon, mixed water changing is gradually formed along with the entering and the flowing-out of the cooling water, the temperature of the cooling water in the water storage box 1 is gradually reduced, when the temperature control switch 16 senses that the temperature of the cooling water in the water storage box 1 is lower than the preset temperature, the temperature control switch 16 controls the two electromagnetic valves 10 to be closed, and normal cooling operation can be ensured in the process of water changing, so that automatic water changing operation can be realized in time while the water is cooled, manual periodical water changing is not needed, and the cooling and heat dissipation stability is ensured;
when the motor 100 and the rotating shaft 101 need to be taken down, the annular heat conduction pipe 12 is pulled rightwards, the annular heat conduction pipe 12 drives the annular 11 to move rightwards, the annular 11 drives the two first magnets 30 to move rightwards to be separated from the two second magnets 29, meanwhile, the annular 11 drives the first water outlet pipe 26 and the second water outlet pipe 13 to move rightwards to be staggered with the second water inlet hole 28 and the third water outlet hole 14, the annular heat conduction pipe 12 and the annular 11 can be taken down from the rotating shaft 101, the two T-shaped fixing bolts 4 are rotated forwards, the T-shaped fixing bolts 14 are separated from the top of the motor 100 while rotating, the motor 100 moves rightwards at the moment, the motor 100 can be taken out from the L-shaped heat conduction pipe 2, and the taken-down motor 100 and the rotating shaft 101 are convenient for later-stage maintenance operations of personnel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a water-cooling structure for electric motor rotor, including the water-cooling structure body that sets up on motor (100) and pivot (101) that is connected with the rotor on motor (100), the water-cooling structure body includes water storage box (1) that the right side set up for the opening, a serial communication port, the top of water storage box (1) and the bottom swing joint of motor (100), the right side fixedly connected with apron of water storage box (1), it is equipped with heat-conducting plate (5) to inlay on the top inner wall of water storage box (1), the top of heat-conducting plate (5) extends to the top of water storage box (1) and with the top parallel and level of water storage box (1), the top of heat-conducting plate (5) and the bottom swing joint of motor (100), the top fixedly connected with of water storage box (1) send the water mechanism, the bottom that sends the water mechanism extends to in water storage box (1), send the water mechanism movable sleeve of sending to establish on motor (100), the top of the motor (100) is movably contacted with two mounting blocks (3), a water feeding mechanism is fixedly sleeved on the two mounting blocks (3), the top of the motor (100) is tightly contacted with a T-shaped press bolt (4), the top of the T-shaped press bolt (4) extends to the upper part of the corresponding mounting block (3), the mounting blocks (3) are sleeved on the corresponding T-shaped press bolt (4) in a threaded manner, one side of the water feeding mechanism is fixedly connected with a storage battery (7), the storage battery (7) is electrically connected with the water feeding mechanism, the same automatic water changing mechanism is installed on the water storage box (1) and the cover plate and is electrically connected with the storage battery (7), a circular ring (11) is fixed on the right side of the motor (100) in a magnetic absorption manner, two sealing bearings (22) are fixedly sleeved in the circular ring (11), the sealing bearings (22) are movably sleeved on the rotating shaft (101) in a sealing manner, and a water storage cavity (17) is formed in the circular ring (11), the top of the ring (11) is fixedly connected with the bottom end of the water feeding mechanism, the water feeding mechanism is communicated with the inside of the water storage cavity (17), the inner wall of the top of the ring (11) is provided with a first water outlet (21), the first water outlet (21) is communicated with the inside of the water storage cavity (17), the rotating shaft (101) is provided with a cooling cavity (18), the inner wall of the top of the cooling cavity (18) is provided with a first water inlet hole (23), the inner wall of the bottom of the cooling cavity (18) is provided with a second water outlet hole (25), a first check valve (24) is fixedly connected in the first water inlet hole (23) and the second water outlet hole (25), the bottom of the first check valve (24) is provided with an outlet, the first water inlet hole (23) and the second water outlet hole (25) are both positioned between the two sealing bearings (22), the right side of the ring (11) is fixedly connected with a heat-conducting water cooling mechanism, and the water-cooling mechanism is movably sleeved on the rotating shaft (101), heat conduction water-cooling mechanism and send water mechanism electric connection, heat conduction water-cooling mechanism's bottom intercommunication is fixed with L venturi tube (27), it is equipped with first outlet pipe (26) to inlay on the bottom inner wall of ring (11), the left end of L venturi tube (27) is fixed with the right side bottom intercommunication of first outlet pipe (26), second inlet opening (28) have been seted up on the top inner wall of water storage box (1), second inlet opening (28) are linked together with first outlet pipe (26), the bottom of first outlet pipe (26) and the top seal movable contact of water storage box (1).
2. The water cooling structure for the motor rotor as recited in claim 1, wherein the water feeding mechanism comprises an L-shaped heat pipe (2) fixedly connected to the top of the water storage box (1), the L-shaped heat pipe (2) is movably sleeved on the motor (100), the left inner wall and the top inner wall of the L-shaped heat pipe (2) are respectively in movable contact with the left side and the top of the motor (100), the L-shaped heat pipe (2) is fixedly sleeved on the two mounting blocks (3), the left side of the top of the water storage box (1) is fixedly connected with a water pump (6), the extraction end of the water pump (6) extends into the water storage box (1) and is fixedly connected with a water suction head, the water outlet end of the water pump (6) is communicated and fixed with the bottom of the left side of the L-shaped heat pipe (2), the water pump (6) is electrically connected with the storage battery (7), the top inner wall of the L-shaped heat pipe (2) is in movable contact with a second water outlet pipe (13) in a sealing manner, the second water outlet pipe (13) is embedded and fixed at the top of the circular ring (11), the second water outlet pipe (13) is communicated with the inside of the water storage cavity (17), a third water outlet hole (14) is formed in the bottom of the inner side of the L-shaped heat conduction pipe (2), and the third water outlet hole (14) is communicated with the second water outlet pipe (13).
3. The water cooling structure for the motor rotor as recited in claim 1, wherein the automatic water changing mechanism comprises a water inlet pipe (9) and a third water outlet pipe (8) which are communicated and fixed on the left side of the water storage box (1), the left end of the water inlet pipe (9) and the left end of the third water outlet pipe (8) are both communicated and fixed with an electromagnetic valve (10), the right side of the cover plate is fixedly connected with a temperature control switch (16), the detection end of the temperature control switch (16) extends into the water storage box (1), the temperature control switch (16) is electrically connected with the storage battery (7), and the temperature control switch (16) is electrically connected with the two electromagnetic valves (10).
4. The water cooling structure for the motor rotor according to claim 1, wherein the heat conducting water cooling mechanism comprises an annular heat conducting pipe (12) fixedly connected to the right side of the ring (11), a plurality of heat conducting balls (15) are annularly embedded in the inner side of the annular heat conducting pipe (12), the heat conducting balls (15) are in rolling contact with the outer side of the rotating shaft (101), a connecting pipe (19) is embedded in the right side of the ring (11), the right end of the connecting pipe (19) extends into the annular heat conducting pipe (12) and is fixedly connected with a second one-way valve (20), the right side of the second one-way valve (20) is provided with an outlet, the left end of the connecting pipe (19) is communicated with the inside of the water storage cavity (17), the top end of the L-shaped pipe (27) is communicated and fixed with the left side of the bottom of the annular heat conducting pipe (12), and a temperature sensor (31) is fixedly connected to the bottom of the inner side of the annular heat conducting pipe (12), a controller is arranged in the water pump (6), and the temperature sensor (31) is electrically connected with the controller in the water pump (6).
5. The water cooling structure for the rotor of the motor as claimed in claim 1, wherein the top and the bottom of the circular ring (11) are fixedly connected with a first magnet (30), the right side of the motor (100) is fixedly connected with two second magnets (29), and the right side of each second magnet (29) is adsorbed to the left side of the corresponding first magnet (30).
6. The water cooling structure for the motor rotor as recited in claim 1, wherein a sealing rubber sheet is bonded and fixed in an inner ring of the sealing bearing (22), the inner side of the sealing rubber sheet is movably contacted with the outer side of the rotating shaft (101), a first sealing rubber ring is bonded and fixed at the bottom end of the first water outlet pipe (26), and the bottom of the first sealing rubber ring is tightly contacted with the top of the water storage box (1).
7. The water cooling structure for the motor rotor as recited in claim 2, wherein a second sealing rubber ring is fixedly bonded to the top end of the second water outlet pipe (13), and the top of the second sealing rubber ring is in movable contact with the inner wall of the top of the L-shaped heat conducting pipe (2).
8. The water cooling structure for the motor rotor as recited in claim 2, wherein the top and the bottom of the inside of the L-shaped heat conducting pipe (2) are both provided with two embedded holes, and the inner walls of the embedded holes are fixedly connected with the outside of the corresponding mounting block (3).
9. The water cooling structure for the motor rotor as recited in claim 1, wherein the top of the mounting block (3) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding T-shaped press bolt (4).
10. The water cooling structure for the motor rotor as recited in claim 1, wherein a circular hole is formed in the inner wall of the bottom of the circular ring (11), and the inner wall of the circular hole is fixedly connected with the outer side of the first water outlet pipe (26).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111095482.XA CN113708569B (en) | 2021-09-17 | 2021-09-17 | Water cooling structure for motor rotor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111095482.XA CN113708569B (en) | 2021-09-17 | 2021-09-17 | Water cooling structure for motor rotor |
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| CN113708569B CN113708569B (en) | 2023-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117175859A (en) * | 2023-11-03 | 2023-12-05 | 山东华立供水设备有限公司 | Permanent magnet synchronous motor for clean water pump |
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| CN113708569B (en) | 2023-02-03 |
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