CN115864737B - Alternating current motor based on high-efficient heat dissipation mechanism - Google Patents
Alternating current motor based on high-efficient heat dissipation mechanism Download PDFInfo
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- CN115864737B CN115864737B CN202211482250.4A CN202211482250A CN115864737B CN 115864737 B CN115864737 B CN 115864737B CN 202211482250 A CN202211482250 A CN 202211482250A CN 115864737 B CN115864737 B CN 115864737B
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Abstract
The application discloses an alternating current motor based on a high-efficiency heat dissipation mechanism, which comprises a casing, a stator, a rotating shaft, a rotor and two end covers, wherein the stator is arranged in the casing, the rotor is arranged at the rotating shaft, the end covers are provided with central holes, bearings are arranged at the central holes, and the rotating shaft is arranged at the bearings of the two central holes. The shell comprises a circular cylindrical inner shell, a circular cylindrical outer shell with a strip-shaped notch and two circular end baffles fixed between the inner shell and the outer shell; the two ends of the inner shell are fixedly provided with end annular plates, the two end annular plates correspond to the two end covers one by one, and each end annular plate is fixedly connected with one end cover; an annular groove is formed among the inner shell, the outer shell and the outer sides of the end baffles, and an embedded circular ring embedded in the annular groove is arranged on the inner side of the end cover. The motor provided by the application can realize better heat dissipation.
Description
Technical Field
The application relates to the field of motors, in particular to an alternating current motor based on a high-efficiency heat dissipation mechanism.
Background
An "ac motor" is a machine for effecting the conversion of mechanical energy and ac electrical energy to each other. Compared with a direct-current motor, the alternating-current motor has the advantages of simple structure, convenient manufacture, firmness and easy manufacture into motors with high rotating speed, high voltage, high current and large capacity because of no commutator. In many power systems, the ac motor is the most core component thereof, and provides power for the system, and the ac motor generates heat in a large amount in the continuous operation process, so that a heat dissipation mechanism is required to be arranged, the heat dissipation mode of the existing ac motor mainly depends on the mode of installing a heat dissipation fan on a rotating shaft to dissipate heat, but the heat dissipation mode is adopted, and a motor end cover is ventilated, so that the inside of a motor shell cannot be sealed as much as possible, and when the working environment of the motor is moist and dust is larger, the service life of the motor caused by severe working environment is often shortened, and faults are more likely to occur. In addition, some motors use a liquid cooling mode for the motor housing, but this mode relies on continuous circulation of cooling liquid, and this mode requires refrigeration equipment, so that consumed energy is relatively high, and then in some working occasions with low ambient temperature, the cooling efficiency is not necessarily required to be as strong.
Disclosure of Invention
The application aims to: the application aims to overcome the defects of the prior art and provides an alternating current motor based on a high-efficiency heat dissipation mechanism.
The technical scheme is as follows: the motor comprises a shell, a stator arranged in the shell, a rotating shaft, a rotor arranged at the rotating shaft and two end covers, wherein the end covers are provided with central holes, bearings are arranged at the central holes, and the rotating shaft is arranged at the bearings of the two central holes.
Further, the shell comprises a circular cylindrical inner shell, a circular cylindrical outer shell with a strip-shaped notch and two circular end baffles fixed between the inner shell and the outer shell; the two ends of the inner shell are fixedly provided with end annular plates, the two end annular plates correspond to the two end covers one by one, and each end annular plate is fixedly connected with one end cover; an annular groove is formed among the inner shell, the outer shell and the outer sides of the end baffles, and an embedded circular ring embedded in the annular groove is arranged on the inner side of the end cover.
So that the stability of the installation of the two motor end caps and the housing is higher.
Further, the casing further comprises a strip-shaped separation block fixedly connected with the inner casing and the two end baffles, a plurality of arc-shaped separation plates distributed in an annular equidistant manner are fixedly connected between the inner casing and the outer casing, two ends of each arc-shaped separation plate are fixedly connected with the strip-shaped separation block, an arc-shaped heat dissipation channel is formed between each end baffle and the adjacent arc-shaped separation plate and between the adjacent two arc-shaped separation plates, two heat dissipation channels positioned at the extreme end of the plurality of heat dissipation channels are respectively a first heat dissipation channel and a second heat dissipation channel, the widths of all the heat dissipation channels are equal, the width direction is the same as the axis direction of the rotating shaft, and a piston unit is arranged in each heat dissipation channel to divide the heat dissipation channels into an air cooling channel and a liquid cooling channel; the strip-shaped notch of the outer shell is fixedly provided with a mounting seat, and the mounting seat is provided with an air inlet pipe communicated with the air cooling channel of the first heat dissipation channel, an air outlet pipe communicated with the air cooling channel of the second heat dissipation channel and a plurality of air cooling connecting pipes used for communicating the air cooling channels of the adjacent heat dissipation channels; the mounting seat is also provided with a liquid inlet pipe communicated with the liquid cooling channel of the first heat dissipation channel, a liquid outlet pipe communicated with the liquid cooling channel of the second heat dissipation channel and a plurality of liquid cooling connecting pipes used for communicating the liquid cooling channels of the adjacent heat dissipation channels; the air inlet pipe is connected with a fan, a first valve is arranged at the air inlet pipe, and a second valve is arranged at the air outlet pipe; a liquid storage container is connected between the liquid inlet pipe and the liquid outlet pipe, a liquid pump and a third valve are installed at the liquid inlet pipe, and a fourth valve is arranged at the liquid outlet pipe.
Further, a refrigerating unit is arranged at the liquid storage container.
Thereby cooling the liquid in the liquid storage tank, and ensuring the temperature of the circulated cooling liquid to be low.
Further, a first threaded hole is formed in the end annular plate, a first counter bore is formed in the end cover, and a first bolt is arranged in the first counter bore to fixedly connect the end cover with the corresponding end annular plate; the outer shell is provided with two rows of studs, the two rows of studs are positioned at two sides of the strip-shaped notch, two sides of the mounting seat are provided with two strip-shaped convex edges, the strip-shaped convex edges are provided with a plurality of through holes penetrated by the studs, and the studs are provided with nuts to fixedly connect the strip-shaped convex edges with the outer shell; the mounting seat is characterized in that arc-shaped protruding blocks capable of being embedded into the annular groove are further arranged at two ends of the mounting seat, the two arc-shaped protruding blocks and the two embedded circular rings are in one-to-one correspondence, a second threaded hole is formed in the arc-shaped protruding block, a second counter bore is formed in the embedded circular ring, and a second bolt matched with the second threaded hole is arranged in the second counter bore to fixedly connect the arc-shaped protruding block with the corresponding embedded circular ring.
Further, the mounting seat is provided with a sealing gasket unit, and the sealing gasket unit comprises an arc surface sealing gasket, two strip sealing gaskets and two strip connecting sealing gaskets, wherein the arc surface sealing gasket is abutted with the end baffle plate, the arc-shaped partition plate and the strip separating block, the strip sealing gaskets are abutted with the strip convex edge, and the strip connecting gaskets are connected with the arc sealing gaskets and the strip sealing gaskets.
Thereby enabling a better sealing of the mounting seat to the strip-shaped opening of the housing.
Further, the mounting seat is provided with a plurality of first communication holes and a plurality of second communication holes, wherein the air inlet pipe is arranged at one of the first communication holes, the air outlet pipe is arranged at the other of the first communication holes, the rest of the first communication holes are all used for mounting the air cooling connecting pipe, the liquid inlet pipe is arranged at one of the second communication holes, the liquid outlet pipe is arranged at the other of the second communication holes, and the liquid cooling connecting pipe is arranged at the rest of the second communication holes; the liquid storage container is arranged at the mounting base plate, and the mounting base plate is connected with the mounting base through the supporting legs.
Further, the liquid storage container is provided with a limiting plate, a piston part is arranged in the liquid storage container, a movable plate is fixed at the piston part, and a plurality of first springs are connected between the movable plate and the limiting plate; the piston unit comprises an arc-shaped rubber piston sleeve and an arc-shaped abutting plate, wherein an arc-shaped accommodating groove is formed in the rubber piston sleeve, a plurality of first baffle plates are arranged on one side, close to the air cooling channel, of the rubber piston sleeve, a plurality of second baffle plates are arranged on one side, close to the liquid cooling channel, of the rubber piston sleeve, an arc-shaped movable block capable of moving in the arc-shaped accommodating groove along the axial direction of the rotating shaft is arranged in the arc-shaped accommodating groove, a plurality of blind holes are formed in the arc-shaped movable block, a second spring is connected between the end part of each blind hole and the arc-shaped abutting plate, and the arc-shaped abutting plate is positioned in the air cooling channel; each of the two end parts of the rubber piston sleeve is provided with an air cooling through hole and a liquid cooling through hole; the piston unit can be in an air cooling state and a liquid cooling state, in the air cooling state, the arc-shaped movable blocks are abutted against all the second baffle plates, the rubber piston sleeve and the arc-shaped abutting plates are respectively abutted against two sides of the heat dissipation channel, and each air cooling through hole is communicated with one first communication through hole; in the liquid cooling state, the arc movable block butt all first separation blade, the side of arc butt board butt heat dissipation passageway, the arc butt board butt all first separation blade, and every liquid cooling through-hole and a second intercommunicating pore intercommunication.
Further, the arc-shaped sealing gasket, the two strip-shaped sealing gaskets and the two connecting sealing gaskets are integrally formed; the arc-shaped sealing gasket is provided with a plurality of first through holes and a plurality of second through holes, the number of the first through holes is equal to that of the first through holes in a one-to-one correspondence manner, each first through hole faces one first through hole, the number of the second through holes is equal to that of the second through holes in a one-to-one correspondence manner, and each second through hole faces one second through hole.
Further, a strip-shaped detection groove is formed in the strip-shaped separation block, a liquid sensor is installed in the strip-shaped detection groove, a plurality of detection communication holes are formed in the strip-shaped detection groove, and the number of the detection communication holes is equal to that of the heat dissipation channels and corresponds to that of the heat dissipation channels one by one; in the liquid cooling state, the end part of each detection communication hole positioned in the heat dissipation channel is sealed by the corresponding rubber piston sleeve.
Thus, whether the piston sleeve leaks or not can be actively detected.
Further, both sides of the strip-shaped separation block are provided with strip-shaped grooves in an arc shape, and both ends of the arc-shaped separation plate are arc-shaped; both ends of the rubber piston sleeve are arc-shaped.
Further, radial reinforcing ribs are arranged on the outer side of the end cover.
Further, the casing is provided with two arc-shaped mounting plates, and the arc-shaped mounting plates are provided with a plurality of mounting through holes.
So that the motor can be fixedly connected with other components through the arc-shaped mounting plate.
Further, a temperature sensor is mounted on the inner side of each end cap.
Therefore, the internal temperature of the motor can be accurately monitored, and different heat dissipation modes can be realized according to the detected temperature.
Further, the liquid sensor and the temperature sensor are connected with the control unit.
Further, the limiting plates are two, and a row of first springs are arranged at each limiting plate.
Further, the piston portion is rectangular with rounded corners.
Further, the rubber piston sleeve, the plurality of first baffle plates and the plurality of second baffle plates are all made of rubber.
Further, filter screens are arranged at the air inlet pipe and the air outlet pipe.
Thereby filtering sundries, dust and the like better.
The beneficial effects are that: compared with the traditional motor, the motor has better heat dissipation effect and has the advantages that the traditional motor does not have: the method comprises the following steps:
1) According to the motor, the heat dissipation mechanism is additionally arranged, so that the two end covers of the motor do not need to be provided with the vent holes, water vapor and dust are prevented from entering, the stator and the rotor inside the motor are ensured to be in a clean environment, long-term stable operation of the motor is facilitated, and the service life of the motor is prolonged.
2) According to the motor, air-cooling heat dissipation or liquid-cooling heat dissipation is realized in the shell, so that more reasonable heat dissipation is realized according to different working conditions or environmental temperatures, the heat dissipation effect is good, and the energy consumption used for heat dissipation is more reasonable.
3) The motor can carry out self-checking on the self-radiating mechanism, so that no fault of the motor is ensured to be in a normal working state through self-checking.
Drawings
FIG. 1 is a schematic diagram of an electric motor;
fig. 2 is a schematic diagram of the motor after the mounting seat is opened, and the motor is in an air-cooled heat dissipation state;
FIG. 3 is another schematic view of the motor at another angle after the mounting base is opened, and in an air-cooled heat dissipation state;
fig. 4 is a schematic diagram of the motor after the mounting seat is opened, and the motor is in a liquid cooling heat dissipation state;
fig. 5 is another schematic view of the motor at another angle after the mounting base is opened, and the motor is in a liquid cooling heat dissipation state;
FIG. 6 is a schematic diagram showing the separation of the reservoir, mounting base, and housing;
FIG. 7 is a schematic view of the reservoir, mounting base, and housing separated by another angle;
FIG. 8 is an enlarged view of area A;
FIG. 9 is a schematic diagram of motor component separation;
FIG. 10 is an enlarged view of region B;
fig. 11 is a schematic diagram of motor component separation.
Detailed Description
Reference numerals: 1 an outer shell; 1.1 an arc-shaped mounting plate; 1.2 mounting through holes; 1.3 studs; 2 end covers; 2.1 radial reinforcing ribs; 2.2 a first counterbore; 2.3 a second counterbore; 2.4 embedding a circular ring; 2.5 bearings; 2.6 rotating shaft; 3 an inner housing; 3.1 arc-shaped partition plates; 3.2 strip-shaped separation blocks; 3.2.1 strip detection grooves; 3.2.2 liquid sensor; 3.2.3 detection communication holes; 3.2.4 bar grooves; 3.3.1 air cooling channels; 3.3.2 liquid cooling channels; 3.4 end baffles; 3.5 end ring plates; 3.6.1 first heat dissipation channels; 3.6.2 second heat dissipation channels; 4 a sealing gasket unit; 4.1 arc-shaped sealing gaskets; 4.2 connecting a sealing gasket; 4.3 strip-shaped sealing gaskets; 4.4.1 first vias; 4.4.2 second vias; 5, a mounting seat; 5.1 strip-shaped convex edges; 5.2 arc-shaped convex blocks; 5.3.1 air inlet pipe; 5.3.2 air-cooled connecting pipes; 5.3.3 outlet duct; 5.3.4 fans; 5.3.5 first valve; 5.3.6 second valve; 5.3.7 first vias; 5.4.1 liquid inlet pipe; 5.4.2 liquid cooling connecting pipes; 5.4.3 liquid outlet pipes; 5.4.4 liquid pump; 5.4.5 third valve; 5.4.6 reservoir; 5.4.7 second through holes; 5.4.8 piston part; 5.4.9 movable plate; 5.4.10 first spring; 5.4.11 refrigeration unit; 5.4.12 stop plates; 5.4.13 a second communication hole; 5.5 mounting the substrate; 5.6 supporting feet; 6.1 arc-shaped abutting plates; 6.2 a second spring; 6.3 rubber piston sleeve; 6.3.1 first baffle; 6.3.2 second baffle; 6.4.1 air-cooled through holes; 6.4.2 liquid cooling through holes; 6.5 arc movable blocks; 6.6 blind holes.
As shown in the figure: the utility model provides an alternating current motor based on high-efficient cooling mechanism, includes the casing, installs stator, pivot 2.6 in the casing, installs in the rotor and two end covers 2 of pivot 2.6 department, the end cover has the centre bore, the bearing 2.5 is installed to centre bore department, pivot 2.6 installs in the bearing 2.5 department of two centre bores. The shell comprises a circular cylindrical inner shell 3, a circular cylindrical outer shell 1 with a strip-shaped notch and two circular end baffles 3.4 fixed between the inner shell 3 and the outer shell 1; the two ends of the inner shell 3 are fixedly provided with end annular plates 3.5, the two end annular plates 3.5 are in one-to-one correspondence with the two end covers 2, and each end annular plate 3.5 is fixedly connected with one end cover 2; an annular groove is formed among the outer sides of the inner shell 3, the outer shell 1 and the end baffle 3.4, and the inner side of the end cover 2 is provided with an embedded circular ring 2.4 embedded in the annular groove.
The shell further comprises a strip-shaped separation block 3.2 fixedly connected with the inner shell 3 and two end baffle plates 3.4, a plurality of annular equidistant arc-shaped separation plates 3.1 are fixedly connected between the inner shell 3 and the outer shell 1, two ends of each arc-shaped separation plate 3.1 are fixedly connected with the strip-shaped separation block 3.2, an arc-shaped heat dissipation channel is formed between each end baffle plate 3.4 and the adjacent arc-shaped separation plate 3.1 and between the adjacent two arc-shaped separation plates 3.1, two heat dissipation channels positioned at the most end part of the heat dissipation channels are respectively a first heat dissipation channel 3.6.1 and a second heat dissipation channel 3.6.2, the width of all the heat dissipation channels is equal, the width direction is the same as the axial direction of the rotating shaft 2.6, and a piston unit is arranged in each heat dissipation channel to divide the heat dissipation channels into an air cooling channel 3.3.1 and a liquid cooling channel 3.2; a mounting seat 5 is fixed at the strip-shaped notch of the outer shell 1, and an air inlet pipe 5.3.1 communicated with an air cooling channel 3.3.1 of the first heat dissipation channel 3.6.1, an air outlet pipe 5.3.3 communicated with an air cooling channel 3.3.1 of the second heat dissipation channel 3.6.2 and a plurality of air cooling connecting pipes 5.3.2 used for communicating the air cooling channels of the adjacent heat dissipation channels are arranged at the mounting seat 5; the mounting seat 5 is also provided with a liquid inlet pipe 5.4.1 communicated with the liquid cooling channel 3.3.2 of the first heat dissipation channel 3.6.1, a liquid outlet pipe 5.4.3 communicated with the liquid cooling channel 3.3.2 of the second heat dissipation channel 3.6.2 and a plurality of liquid cooling connecting pipes 5.4.2 used for communicating the liquid cooling channels 3.3.2 of the adjacent heat dissipation channels; the air inlet pipe 5.3.1 is connected with a fan 5.3.4, a first valve 5.3.5 is arranged at the air inlet pipe 5.3.1, and a second valve 5.3.6 is arranged at the air outlet pipe 5.3.3; a liquid storage container 5.4.6 is connected between the liquid inlet pipe 5.4.1 and the liquid outlet pipe 5.4.3, a liquid pump 5.4.4 and a third valve 5.4.5 are arranged at the liquid inlet pipe 5.4.1, and a fourth valve is arranged at the liquid outlet pipe 5.4.3; a refrigeration unit 5.4.11 is mounted at the reservoir 5.4.6. The end part annular plate 3.5 is provided with a first threaded hole, the end cover 2 is provided with a first counter bore 2.2, and the first counter bore 2.2 is provided with a first bolt for fixedly connecting the end cover 2 with the corresponding end part annular plate 3.5; the outer shell 1 is provided with two rows of studs 1.3, the two rows of studs 1.3 are positioned at two sides of the strip-shaped notch, two sides of the mounting seat 5 are provided with two strip-shaped convex edges 5.1, the strip-shaped convex edges 5.1 are provided with a plurality of through holes penetrated by the studs 1.3, and the studs 1.3 are provided with nuts for fixedly connecting the strip-shaped convex edges 5.1 with the outer shell 1; the two ends of the mounting seat 5 are also provided with arc-shaped protruding blocks 5.2 which can be embedded into the annular grooves, the two arc-shaped protruding blocks 5.2 and the two embedded circular rings 2.4 are in one-to-one correspondence, the arc-shaped protruding blocks 5.2 are provided with second threaded holes, the embedded circular rings 2.4 are provided with second counter bores 2.3, and the second counter bores 2.3 are provided with second bolts matched with the second threaded holes to fixedly connect the arc-shaped protruding blocks 5.2 with the corresponding embedded circular rings 2.4.
The mounting seat 5 is provided with a sealing gasket unit 4, and the sealing gasket unit 4 comprises an arc surface sealing gasket 4.1, two strip-shaped sealing gaskets 4.3 and two strip-shaped connecting sealing gaskets 4.2, wherein the arc surface sealing gaskets 4.1 are abutted with the end baffle 3.4, the arc-shaped baffle 3.1 and the strip-shaped separation blocks 3.2, the strip-shaped sealing gaskets 4.3 are abutted with the strip-shaped convex edges 5.1, and the strip-shaped connecting sealing gaskets 4.2 are connected with the arc-shaped sealing gaskets 4.1 and the strip-shaped sealing gaskets 4.3. The mounting seat 5 is provided with a plurality of first communication holes and a plurality of second communication holes 5.4.13, wherein one first communication hole is provided with the air inlet pipe 5.3.1, the other first communication hole is provided with the air outlet pipe 5.3.3, the rest first communication holes are all used for mounting the air cooling connecting pipe 5.3.2, one second communication hole 5.4.13 is provided with the liquid inlet pipe 5.4.1, the other second communication hole 5.4.13 is provided with the liquid outlet pipe 5.4.3, and the rest second communication holes 5.4.13 are provided with the liquid cooling connecting pipe 5.4.2; the liquid storage container 5.4.6 is arranged at the mounting base plate 5.5, and the mounting base plate 5.5 is connected with the mounting base 5 through the supporting legs 5.6. The liquid storage container 5.4.6 is provided with a limiting plate 5.4.12, a piston portion 5.4.8 is arranged in the liquid storage container 5.4.6, a movable plate 5.4.9 is fixed at the piston portion 5.4.8, and a plurality of first springs 5.4.10 are connected between the movable plate 5.4.9 and the limiting plate 5.4.12; the piston unit comprises an arc-shaped rubber piston sleeve 6.3 and an arc-shaped abutting plate 6.1, wherein an arc-shaped accommodating groove is formed in the rubber piston sleeve 6.3, a plurality of first baffle plates 6.3.1 are arranged on one side, close to an air cooling channel, of the rubber piston sleeve 6.3, a plurality of second baffle plates 6.3.2 are arranged on one side, close to the liquid cooling channel 3.3.2, of the rubber piston sleeve, an arc-shaped movable block 6.5 capable of moving along the axis direction of a rotating shaft 2.6 in the arc-shaped accommodating groove is arranged in the arc-shaped accommodating groove, a plurality of blind holes 6.6 are formed in the arc-shaped movable block 6.5, a second spring 6.2 is connected between the end part of each blind hole 6.6 and the arc-shaped abutting plate 6.1, and the arc-shaped abutting plate 6.1 is positioned in the air cooling channel; each of the two ends of the rubber piston sleeve 6.3 is provided with an air cooling through hole 6.4.1 and a liquid cooling through hole 6.4.2; the piston unit can be in an air cooling state and a liquid cooling state, in the air cooling state, the arc-shaped movable blocks 6.5 are abutted against all the second baffle plates 6.3.2, the rubber piston sleeve 6.3 and the arc-shaped abutting plate 6.1 are respectively abutted against two sides of the heat dissipation channel, and each air cooling through hole 6.4.1 is communicated with one first communication through hole; in the liquid cooling state, the arc movable block 6.5 abuts against all the first baffle plates 6.3.1, the arc abutting plate 6.1 abuts against the side face of the heat dissipation channel, the arc abutting plate 6.1 abuts against all the first baffle plates 6.3.1, and each liquid cooling through hole 6.4.2 is communicated with one second communication hole 5.4.13.
The arc-shaped sealing gasket 4.1, the two strip-shaped sealing gaskets 4.3 and the two connecting sealing gaskets 4.2 are integrally formed; the arc gasket 4.1 has a plurality of first through holes 5.3.7 and a plurality of second through holes 5.4.7, the number of the first through holes 5.3.7 and the number of the first through holes are equal and correspond to each other one by one, each of the first through holes 5.3.7 faces one of the first through holes, the number of the second through holes 5.4.7 and the number of the second through holes 5.4.13 are equal and correspond to each other one by one, and each of the second through holes 5.4.7 faces one of the second through holes 5.4.13. The strip-shaped separation block 3.2 is provided with strip-shaped detection grooves 3.2.1, the strip-shaped detection grooves 3.2.1 are internally provided with liquid sensors 3.2.2, the strip-shaped detection grooves 3.2.1 are internally provided with a plurality of detection communication holes 3.2.3, and the number of the detection communication holes 3.2.3 is equal to that of the heat dissipation channels and corresponds to that of the heat dissipation channels one by one; in the liquid-cooled state, the end of each detection communication hole 3.2.3 located in the heat dissipation channel is closed by the corresponding rubber piston sleeve 6.3. The two sides of the strip-shaped separation block 3.2 are provided with strip-shaped grooves 3.2.4 in an arc shape, and the two ends of the arc-shaped separation plate 3.1 are arc-shaped; both ends of the rubber piston sleeve 6.3 are arc-shaped; the outer side of the end cover 2 is provided with radial reinforcing ribs 2.1; the machine shell is provided with two arc-shaped mounting plates 1.1, and a plurality of mounting through holes 1.2 are formed in the arc-shaped mounting plates 1.1; a temperature sensor is mounted on the inside of each end cap 2.
As shown in the figure, the alternating current motor, particularly some motors with larger power, generates more heat in the running process, and the two end covers of the motor adopt a closed structure without vent holes, so that the motor can more conveniently cope with the environment such as external water vapor, dust and the like, and can ensure that the stator and the rotor work in a clean environment in a severe environment.
When the motor radiates heat, as shown in the figure, the motor can radiate heat in an air cooling mode or a liquid cooling mode, and the air cooling mode only needs to use a fan, so that the heat radiation mechanism has lower energy consumption and is suitable for radiating heat under the general condition. The heat dissipation effect of liquid cooling is better, but need to use refrigerating unit to the power consumption is more, is fit for using under the higher circumstances of the inside temperature of motor or the ambient temperature of motor. More specifically, in the mechanism of the heat dissipation mechanism of the application, the liquid pump can pump the cooling liquid in the space between the liquid cooling channel and the liquid storage container, and the piston part can be changed along with the volume of the cooling liquid in the liquid storage container due to the first spring and the piston part of the liquid storage container, and the second spring of the piston unit can assist the movement of one side of the liquid cooling channel of the piston sleeve box. In an air-cooled state, as shown in fig. 2-3, the liquid pump pumps cooling liquid into the liquid storage container, and the piston sleeve moves to one side of the liquid cooling channel under the action of the second spring until the piston sleeve abuts against the side edge of the liquid cooling channel and until the movable block abuts against the second baffle plate, at this time, the air-cooled heat dissipation channel in the heat dissipation channel is large, and a large part of the arc-shaped containing groove in the rubber piston sleeve is also used as the air-cooled channel, so that the heat dissipation efficiency is high, and most of the area in the heat dissipation channel is passed by heat dissipation air flow. When the liquid cooling heat dissipation is needed to be switched, the liquid pump and the third valve are opened, the fourth valve is closed, the liquid pump pumps heat conduction liquid into the liquid cooling channel and gradually fills the whole liquid cooling channel (the liquid pressure can overcome the elasticity of the second spring to enable the second spring to be compressed, the rubber piston sleeve moves towards the direction of the arc-shaped abutting plate until the rubber piston sleeve abuts against the arc-shaped abutting plate), then the fourth valve is opened, the liquid pump achieves circulation flow of cooling liquid, at the moment, most of the heat dissipation channel is used as the liquid cooling channel, and most of the arc-shaped accommodating groove of the rubber piston sleeve is used as the liquid cooling channel, so that most of the heat dissipation channel is passed through by the cooling liquid, and the liquid cooling effect is good. The rubber piston sleeve is provided with the arc-shaped movable block, so that the rubber piston sleeve can be relatively wide and has better stability and sealing performance, and the arc-shaped movable block can ensure that an air cooling channel or a liquid cooling channel which is required to be used each time is as wide as possible and covers more inner shells as much as possible, so that the rubber piston sleeve has better heat dissipation effect. In addition, the air cooling channel and the liquid cooling channel are arranged separately, so that the situation that the mixed heat dissipation channel is used, and the cooling liquid stays in the air cooling channel and is consumed can be avoided.
In addition, in theory, in any case, the liquid cooling channel can not be through detecting the intercommunicating pore and the intercommunication of bar detection groove, consequently the inslot does not have liquid is examined to the bar, has consequently set up liquid sensor, when sensing liquid, indicates that at least one rubber piston cover has appeared revealing the condition, consequently needs the warning to remind the maintenance.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.
Claims (7)
1. The alternating current motor based on the efficient heat dissipation mechanism is characterized by comprising a shell, a stator, a rotating shaft, a rotor and two end covers, wherein the stator is arranged in the shell, the rotor is arranged at the rotating shaft, the end covers are provided with central holes, bearings are arranged at the central holes, and the rotating shaft is arranged at the bearings of the two central holes; the shell comprises a circular cylindrical inner shell, a circular cylindrical outer shell with a strip-shaped notch and two circular end baffles fixed between the inner shell and the outer shell; the two ends of the inner shell are fixedly provided with end annular plates, the two end annular plates correspond to the two end covers one by one, and each end annular plate is fixedly connected with one end cover; an annular groove is formed among the inner shell, the outer shell and the outer sides of the end baffles, and an embedded circular ring embedded in the annular groove is arranged on the inner side of the end cover; the shell further comprises a strip-shaped separation block fixedly connected with the inner shell and the two end baffle plates, a plurality of arc-shaped separation blocks which are distributed in an annular equidistant mode are fixedly connected between the inner shell and the outer shell, two ends of each arc-shaped separation block are fixedly connected with the strip-shaped separation block, an arc-shaped heat dissipation channel is formed between each end baffle plate and the adjacent arc-shaped separation block and between the adjacent arc-shaped separation blocks, two heat dissipation channels positioned at the most end part of the plurality of heat dissipation channels are respectively a first heat dissipation channel and a second heat dissipation channel, the widths of all the heat dissipation channels are equal, the width direction is the same as the axial direction of the rotating shaft, and a piston unit is arranged in each heat dissipation channel to divide the heat dissipation channels into an air cooling channel and a liquid cooling channel; the strip-shaped notch of the outer shell is fixedly provided with a mounting seat, and the mounting seat is provided with an air inlet pipe communicated with the air cooling channel of the first heat dissipation channel, an air outlet pipe communicated with the air cooling channel of the second heat dissipation channel and a plurality of air cooling connecting pipes used for communicating the air cooling channels of the adjacent heat dissipation channels; the mounting seat is also provided with a liquid inlet pipe communicated with the liquid cooling channel of the first heat dissipation channel, a liquid outlet pipe communicated with the liquid cooling channel of the second heat dissipation channel and a plurality of liquid cooling connecting pipes used for communicating the liquid cooling channels of the adjacent heat dissipation channels; the air inlet pipe is connected with a fan, a first valve is arranged at the air inlet pipe, and a second valve is arranged at the air outlet pipe; a liquid storage container is connected between the liquid inlet pipe and the liquid outlet pipe, a liquid pump and a third valve are arranged at the liquid inlet pipe, a fourth valve is arranged at the liquid outlet pipe, and a refrigerating unit is arranged at the liquid storage container; the liquid storage container is provided with a limiting plate, a piston part is arranged in the liquid storage container, a movable plate is fixed at the piston part, and a plurality of first springs are connected between the movable plate and the limiting plate; the piston unit comprises an arc-shaped rubber piston sleeve and an arc-shaped abutting plate, wherein an arc-shaped accommodating groove is formed in the rubber piston sleeve, a plurality of first baffle plates are arranged on one side, close to the air cooling channel, of the rubber piston sleeve, a plurality of second baffle plates are arranged on one side, close to the liquid cooling channel, of the rubber piston sleeve, an arc-shaped movable block capable of moving in the arc-shaped accommodating groove along the axial direction of the rotating shaft is arranged in the arc-shaped accommodating groove, a plurality of blind holes are formed in the arc-shaped movable block, a second spring is connected between the end part of each blind hole and the arc-shaped abutting plate, and the arc-shaped abutting plate is positioned in the air cooling channel; each of the two end parts of the rubber piston sleeve is provided with an air cooling through hole and a liquid cooling through hole; the piston unit can be in an air cooling state and a liquid cooling state, in the air cooling state, the arc-shaped movable blocks are abutted against all the second baffle plates, the rubber piston sleeve and the arc-shaped abutting plates are respectively abutted against two sides of the heat dissipation channel, and each air cooling through hole is communicated with one first communication through hole; in the liquid cooling state, the arc movable block butt all first separation blade, the side of arc butt board butt heat dissipation passageway, the arc butt board butt all first separation blade, and every liquid cooling through-hole and a second intercommunicating pore intercommunication.
2. The alternating current motor based on the efficient heat dissipation mechanism according to claim 1, wherein the end annular plate is provided with a first threaded hole, the end cover is provided with a first counter bore, and the end cover is fixedly connected with the corresponding end annular plate by a first bolt; the outer shell is provided with two rows of studs, the two rows of studs are positioned at two sides of the strip-shaped notch, two sides of the mounting seat are provided with two strip-shaped convex edges, the strip-shaped convex edges are provided with a plurality of through holes penetrated by the studs, and the studs are provided with nuts to fixedly connect the strip-shaped convex edges with the outer shell; the mounting seat is characterized in that arc-shaped protruding blocks capable of being embedded into the annular groove are further arranged at two ends of the mounting seat, the two arc-shaped protruding blocks and the two embedded circular rings are in one-to-one correspondence, a second threaded hole is formed in the arc-shaped protruding block, a second counter bore is formed in the embedded circular ring, and a second bolt matched with the second threaded hole is arranged in the second counter bore to fixedly connect the arc-shaped protruding block with the corresponding embedded circular ring.
3. The ac motor based on efficient heat dissipation mechanism according to claim 2, wherein the mounting seat is provided with a gasket unit, and the gasket unit comprises an arc surface gasket abutting against the end baffle, the arc-shaped partition plate and the strip-shaped partition block, two strip-shaped gaskets abutting against the strip-shaped convex edge, and two strip-shaped connecting gaskets connecting the arc-shaped gasket and the strip-shaped gasket.
4. The alternating current motor based on the efficient heat dissipation mechanism according to claim 1, wherein the mounting seat is provided with a plurality of first communication holes and a plurality of second communication holes, wherein the air inlet pipe is mounted at one of the first communication holes, the air outlet pipe is mounted at the other of the first communication holes, the rest of the first communication holes are used for mounting the air cooling connecting pipe, the liquid inlet pipe is mounted at one of the second communication holes, the liquid outlet pipe is mounted at the other of the second communication holes, and the liquid cooling connecting pipe is mounted at the rest of the second communication holes; the liquid storage container is arranged at the mounting base plate, and the mounting base plate is connected with the mounting base through the supporting legs.
5. The ac motor based on efficient heat dissipation mechanism according to claim 3, wherein the arc-shaped gasket, the two strip-shaped gaskets, and the two connection gaskets are integrally formed; the arc-shaped sealing gasket is provided with a plurality of first through holes and a plurality of second through holes, the number of the first through holes is equal to that of the first through holes in a one-to-one correspondence manner, each first through hole faces one first through hole, the number of the second through holes is equal to that of the second through holes in a one-to-one correspondence manner, and each second through hole faces one second through hole.
6. The alternating current motor based on the efficient heat dissipation mechanism according to claim 1, wherein the strip-shaped separation block is provided with strip-shaped detection grooves, a liquid sensor is installed in each strip-shaped detection groove, a plurality of detection communication holes are formed in each strip-shaped detection groove, and the number of the detection communication holes is equal to that of the heat dissipation channels and corresponds to that of the heat dissipation channels one by one; in the liquid cooling state, the end part of each detection communication hole positioned in the heat dissipation channel is sealed by the corresponding rubber piston sleeve.
7. The alternating current motor based on the efficient heat dissipation mechanism according to claim 1, wherein both sides of the strip-shaped separation block are provided with strip-shaped grooves in an arc shape, and both ends of the arc-shaped separation plate are arc-shaped; both ends of the rubber piston sleeve are arc-shaped; radial reinforcing ribs are arranged on the outer side of the end cover; the machine shell is provided with two arc-shaped mounting plates, and a plurality of mounting through holes are formed in the arc-shaped mounting plates; the inner side of each end cover is provided with a temperature sensor.
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| CN202211482250.4A CN115864737B (en) | 2022-11-24 | 2022-11-24 | Alternating current motor based on high-efficient heat dissipation mechanism |
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| CN202211482250.4A CN115864737B (en) | 2022-11-24 | 2022-11-24 | Alternating current motor based on high-efficient heat dissipation mechanism |
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| CN115864737B true CN115864737B (en) | 2023-09-19 |
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| CN215120399U (en) * | 2021-04-29 | 2021-12-10 | 南昌康富新能源技术有限公司 | Water-cooled generator with switchable heat dissipation modes |
| CN217183090U (en) * | 2022-02-10 | 2022-08-12 | 安吉桢正运动控制技术有限公司 | Water-cooled motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007325358A (en) * | 2006-05-30 | 2007-12-13 | Toshiba Mach Co Ltd | Motor |
| CN101262756A (en) * | 2008-04-10 | 2008-09-10 | 无锡开普动力有限公司 | A cooling system for electric appliance unit of dynamic device |
| KR20140064501A (en) * | 2012-11-20 | 2014-05-28 | 한국생산기술연구원 | Water cooled motor |
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| CN215120399U (en) * | 2021-04-29 | 2021-12-10 | 南昌康富新能源技术有限公司 | Water-cooled generator with switchable heat dissipation modes |
| CN217183090U (en) * | 2022-02-10 | 2022-08-12 | 安吉桢正运动控制技术有限公司 | Water-cooled motor |
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| CN115864737A (en) | 2023-03-28 |
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