CN112542921A - Cooling device and refrigerating system of high-speed motor - Google Patents
Cooling device and refrigerating system of high-speed motor Download PDFInfo
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- CN112542921A CN112542921A CN202011530322.9A CN202011530322A CN112542921A CN 112542921 A CN112542921 A CN 112542921A CN 202011530322 A CN202011530322 A CN 202011530322A CN 112542921 A CN112542921 A CN 112542921A
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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
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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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
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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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
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Abstract
The invention relates to the field of high-speed motors, and aims to provide a cooling device and a refrigerating system of a high-speed motor. The invention has the advantages that the high-speed motor can be rapidly cooled, and meanwhile, the electric energy consumed by the high-speed motor during cooling can be reduced, so that the high-speed motor has a good energy-saving effect.
Description
Technical Field
The invention relates to the field of high-speed motors, in particular to a cooling device and a refrigerating system of a high-speed motor.
Background
High speed motors are generally motors with a rotational speed of more than 10000 r/min. Because the motor has high rotating speed, the volume is far smaller than that of a common power motor, and the motor is connected with a prime motor, the traditional speed reducing mechanism is cancelled, the rotational inertia of the high-speed motor is small, and the like, the motor has the advantages of high power density, effective material saving, high transmission efficiency, low noise, quick dynamic response and the like.
When the high-speed motor is in operation, the high-speed motor needs to be cooled because of high rotating speed, so that the normal operation of the high-speed motor is ensured.
Chinese patent No. CN106655574A provides a rotor self-circulation cooling system and a cooling method for a high-speed motor direct-drive turbo machine, in which a motor rotor is disposed in the middle of the inside of a housing, a bearing seat and a bearing are installed between both sides of the motor rotor and the inner wall of the housing, a stator coil is installed on the periphery of the motor rotor, and a motor inner cavity is formed in the inner space of the housing. One end of the shell is set to be in first-stage compression, the other end of the shell is set to be in second-stage compression, a rotor inner cavity cooling air inlet pipe and an air outlet pipe are respectively arranged on the shell, the air inlet pipe is connected with a second-stage cooler of the compressor, and the air outlet pipe is connected with a first-stage cooler of the compressor. A small amount of cooling gas enters the inner cavity of the motor from the secondary cooler, takes away the heat of the motor rotor, enters the primary cooler for cooling, is compressed through secondary compression, enters the inner cavity of the motor after being cooled by the secondary cooler, and completes the self-circulation process of the small amount of cooling gas of the motor rotor. The invention can improve the heat exchange efficiency, has low comprehensive energy consumption, and does not need components such as an external air source, a cooling fan and the like in the cooling process.
The cooling of current high-speed motor, high-speed motor's cooling efficiency is lower, the electric energy of consumption is higher when high-speed motor cools down, high-speed motor does not have good energy-conserving effect, can not continue to dispel the heat to high-speed motor inside after high-speed motor stall, lead to the phenomenon that inside heat is difficult to distribute after the high-speed motor stall, be not convenient for supply the shortcoming of lubricating oil in bearing frame one and the bearing frame two, consequently need to research and develop a high-speed motor's cooling device and refrigerating system urgently.
Disclosure of Invention
In view of the above, the present invention is directed to a cooling device and a refrigeration system for a high-speed motor with energy saving effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a cooling device of a high-speed motor comprises a casing, wherein a first bearing seat is welded on one side of the casing, a rotating shaft is connected to the inside of the first bearing seat in a rotating mode, a liquid storage tank is installed at the top of the casing through bolts, an oil storage tank is installed at the top of the liquid storage tank through bolts, a controller is installed at the top of the liquid storage tank through bolts, a first heat dissipation mechanism is installed on the other side of the casing through bolts, a second heat dissipation mechanism is installed at the other end of the liquid storage tank through bolts, a rotor is arranged outside the rotating shaft, a stator is arranged on the inner wall of the casing, a first temperature sensor is arranged inside the casing, a cooling pipe is embedded inside the casing, an input pipe is welded at one end of the cooling pipe, a return pipe is welded at the other end of the cooling pipe, a bearing seat is welded, the heat dissipation mechanism comprises a first heat dissipation mechanism, a first support frame is mounted inside the first heat dissipation mechanism through bolts, a first motor is mounted inside the first heat dissipation mechanism through the first support frame, a first fan blade is sleeved on an output shaft of the first motor, a first protection net is mounted inside the first heat dissipation mechanism through bolts, a heat conduction plate is welded inside the liquid storage tank, a first plurality of heat dissipation fins are welded on one side of the heat conduction plate, a second plurality of heat dissipation fins are welded on the other side of the heat conduction plate, heat dissipation tubes penetrate through the inside of the second heat dissipation fins, one ends of the heat dissipation tubes are communicated with a return tube, the other ends of the heat dissipation tubes penetrate through one side of the heat conduction plate and are communicated with the inside of the liquid storage tank, a second support frame is mounted inside the second heat dissipation mechanism through bolts, a second motor is mounted inside the second heat dissipation, the utility model discloses a bearing frame, including bearing frame, bearing.
The key concept of the technical scheme is as follows: the realization is to high-speed motor's quick cooling, the electric energy that consumes when reducing the high-speed motor cooling, has good energy-conserving effect, can continue to dispel the heat to high-speed motor inside after high-speed motor stall, avoids the phenomenon that the heat dissipation is difficult to distribute after the high-speed motor stall, can realize regularly supplying lubricating oil in bearing frame one and the bearing frame two, improves the convenience to adding lubricating oil in bearing frame one and the bearing frame two.
Furthermore, connecting plates I are welded on the two sides of the machine shell and the liquid storage box, connecting plates II are welded on one sides of the heat dissipation mechanisms I and the heat dissipation mechanisms II, and connecting holes are formed in one sides of the connecting plates I and the connecting plates II.
Furthermore, a liquid guide pipe is sleeved at the input end of the liquid conveying pump, and a filter screen is installed at one end of the liquid guide pipe through a bolt.
Furthermore, a threaded pipe is welded at the top of the liquid storage tank, and a threaded cover is connected to the outer wall of the threaded pipe in a threaded mode.
Further, the top welding of batch oil tank has into the pipe, the outside threaded connection who advances oil pipe has sealed lid.
Furthermore, one side of the liquid storage tank is provided with a liquid level meter II, and one side of the oil storage tank is provided with a liquid level meter I.
Furthermore, the bottom welding of casing has the mounting panel, the top of mounting panel is opened there is the mounting hole.
Furthermore, the output end of the first temperature sensor is electrically connected with the output end of the controller through a conducting wire, and the output end of the second temperature sensor is electrically connected with the output end of the controller through a conducting wire.
Furthermore, the output end of the controller is electrically connected with the output ends of the infusion pump and the oil transfer pump through conducting wires, and the output end of the controller is electrically connected with the output ends of the first motor and the second motor through conducting wires.
A refrigeration system for a high speed electric motor comprising the steps of:
s1, starting a first motor: when the high-speed motor runs, the first starting motor is controlled by the controller. The motor drives the fan blade I to rotate, and the fan blade I rotates to dissipate heat inside the high-speed motor;
s2, a first temperature sensor: the heat generated when the high-speed motor runs is detected through a first temperature sensor, and a signal detected by the first temperature sensor is transmitted to the controller;
s3, starting an infusion pump: when the temperature detected by the first temperature sensor is higher than 30-35 ℃, starting the infusion pump, delivering the cooling liquid in the liquid storage tank into the cooling pipe through the input pipe by the infusion pump, absorbing the heat of the shell by the cooling liquid in the cooling pipe, and refluxing the cooling liquid in the cooling pipe into the liquid storage tank through the return pipe and the radiating pipe;
s4, a temperature sensor II: the temperature sensor detects the temperature of the cooling liquid in the liquid storage tank, and a detected signal is transmitted to the controller;
s5, starting a motor II: and when the temperature detected by the second temperature sensor is higher than 25-30 ℃, starting the second motor. The second motor drives the second fan blades to rotate, and the second fan blades rotate to radiate heat of the heat conducting plate, the second radiating fins and the radiating pipe;
s6, turning off a motor: when the high-speed motor stops being used, when the temperature detected by the first temperature sensor is lower than 30 ℃; and turning off the first motor, and turning off the infusion pump and the second motor when the temperature detected by the second temperature sensor is lower than 25 ℃.
The invention has the beneficial effects that: (1) through the arranged infusion pump and the cooling pipe, the infusion pump can convey cooling liquid in the liquid storage box into the cooling pipe through the input pipe, the cooling liquid in the cooling pipe can absorb heat of the shell, heat absorption and transfer generated when the high-speed motor runs are realized, the temperature of the high-speed motor during use is reduced, the cooling liquid in the cooling pipe flows back to the inside of the liquid storage box through the return pipe and the radiating pipe, recycling of the cooling liquid can be realized, and meanwhile, quick cooling of the high-speed motor is facilitated; (2) through the arrangement of the first heat dissipation mechanism and the second heat dissipation mechanism, the first motor in the first heat dissipation mechanism drives the first fan blade to dissipate heat inside the high-speed motor, meanwhile, the first motor is an independent unit and can continue to dissipate heat inside the high-speed motor after the high-speed motor stops rotating, the phenomenon that heat dissipation is difficult to dissipate after the high-speed motor stops rotating is avoided, the service life of the high-speed motor can be prolonged, the second motor in the second heat dissipation mechanism drives the second fan blade to rotate, and the second fan blade can dissipate heat of the heat dissipation pipe, the second heat dissipation fin and the heat conduction plate, so that cooling liquid in the heat dissipation pipe can be dissipated; (3) through the oil delivery pump, the oil delivery pipe and the branch pipe, lubricating oil in the oil storage tank can be respectively delivered to the insides of the first bearing seat and the second bearing seat through the oil delivery pipe and the branch pipe, the lubricating oil can lubricate bearings in the first bearing seat and the second bearing seat, the friction force between the rotating shaft and the shell is reduced, the running smoothness of the high-speed motor is improved, meanwhile, the oil delivery pump is controlled by the controller, the lubricating oil can be supplied to the insides of the first bearing seat and the second bearing seat at regular time, and the convenience of adding the lubricating oil to the insides of the first bearing seat and the second bearing seat is improved; (4) according to the refrigeration system designed by the invention, the temperatures of the cooling liquid in the shell and the liquid storage tank are respectively detected in real time through the first temperature sensor and the second temperature sensor, the detected signals are transmitted to the controller, and the controller starts the infusion pump, the first motor or the second motor according to the temperature requirement, so that the high-speed motor can be rapidly cooled, the electric energy consumed when the high-speed motor is cooled can be reduced, and the high-speed motor has a good energy-saving effect.
Drawings
Fig. 1 is a schematic diagram illustrating an overall structure of a cooling device and a refrigeration system of a high-speed motor according to an embodiment of the present invention.
Fig. 2 is a schematic diagram illustrating an internal structure of a cooling device of a high-speed motor and a housing of a refrigeration system according to an embodiment of the present invention.
Fig. 3 is a schematic diagram illustrating an internal structure of a cooling device of a high-speed motor and a liquid storage tank of a refrigeration system according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating an internal structure of a cooling device of a high-speed motor and an oil storage tank of a refrigeration system according to an embodiment of the present invention.
Fig. 5 is a cooling flow chart of a cooling device and a cooling system of a high-speed motor according to an embodiment of the present invention.
Fig. 6 is a schematic diagram illustrating a controller of a cooling device and a refrigeration system of a high-speed motor according to an embodiment of the present invention.
The reference numbers illustrate:
1-machine shell, 2-bearing seat I, 3-rotating shaft, 4-liquid storage tank, 5-oil storage tank, 6-controller, 7-heat dissipation mechanism I, 8-heat dissipation mechanism II, 9-mounting plate, 10-mounting hole, 11-connecting plate I, 12-connecting plate II, 13-connecting hole, 14-liquid level meter I, 15-liquid level meter II, 16-rotor, 17-stator, 18-temperature sensor I, 19-return pipe, 20-cooling pipe, 21-input pipe, 22-bearing seat II, 23-support frame I, 24-motor I, 25-fan blade I, 26-protective screen I, 27-heat conduction plate, 28-heat dissipation plate I, 29-heat dissipation plate II, 30-heat dissipation pipe, 31-support frame II, 31-heat dissipation plate II, 32-motor two, 33-fan blade two, 34-protective screen two, 35-clapboard, 36-temperature sensor two, 37-threaded pipe, 38-threaded cover, 39-protective shell, 40-infusion pump, 41-liquid guide pipe, 42-filter screen, 43-isolation board, 44-oil transfer pump, 45-oil guide pipe, 46-oil transfer pipe, 47-branch flow pipe, 48-filter screen one, 49-filter screen two, 50-oil feed pipe and 51-sealing cover.
Detailed Description
The invention is further described below with reference to the following figures and specific examples:
as shown in fig. 1-6, the cooling device for a high-speed motor provided by the invention comprises a casing 1, a bearing seat i 2 is welded on one side of the casing 1, a rotating shaft 3 is rotatably connected inside the bearing seat i 2, a liquid storage tank 4 is installed at the top of the casing 1 through a bolt, an oil storage tank 5 is installed at the top of the liquid storage tank 4 through a bolt, a controller 6 is installed at the top of the liquid storage tank 4 through a bolt, the controller 6 starts an infusion pump 40, a motor i 24 or a motor ii 32 according to the temperature requirement, so that the high-speed motor can be rapidly cooled, the electric energy consumed when the high-speed motor is cooled can be reduced, the high-speed motor has a good energy-saving effect, a heat dissipation mechanism i 7 is installed at the other side of the casing 1 through a bolt, a heat dissipation mechanism ii 8 is installed at the other end of the, the inner wall of the machine shell 1 is provided with a stator 17, a first temperature sensor 18 is arranged inside the machine shell 1, the temperature of cooling liquid in the machine shell 1 is detected in real time through the first temperature sensor 18, a detected signal is transmitted to the controller 6, a cooling pipe 20 is embedded in the machine shell 1, the cooling liquid in the cooling pipe 20 can absorb the heat of the machine shell 1, the heat generated when the high-speed motor runs is absorbed and transferred, the temperature of the high-speed motor in use is reduced, an input pipe 21 is welded at one end of the cooling pipe 20, a return pipe 19 is welded at the other end of the cooling pipe 20, the cooling liquid in the cooling pipe 20 flows back to the inside of the liquid storage tank 5 through the return pipe 19 and a radiating pipe 30, the recycling of the cooling liquid can be realized, meanwhile, the rapid cooling of the high-speed motor is facilitated, a bearing seat 22 is welded at the other side of the machine, the inside of the first heat dissipation mechanism 7 is provided with a first support frame 23 through bolts, the inside of the first heat dissipation mechanism 7 is provided with a first motor 24 through the first support frame 23, the first motor 24 drives a first fan blade 25 to dissipate heat inside the high-speed motor, the output shaft of the first motor 24 is sleeved with the first fan blade 25, meanwhile, the first motor 24 is an independent unit and can continue to dissipate heat inside the high-speed motor after the high-speed motor stops rotating, and the phenomenon that the heat dissipation is difficult to dissipate after the high-speed motor stops rotating is avoided, the inside of the first heat dissipation mechanism 7 is provided with a first protective screen 26 through bolts, the inside of the liquid storage tank 4 is welded with a heat conduction plate 27, one side of the heat conduction plate 27 is welded with a plurality of first heat dissipation fins 28, the other side of the heat conduction plate 27 is welded with a plurality of second heat dissipation fins 29, the inside of the second heat dissipation fins 29 is, a second support frame 31 is installed inside the second heat dissipation mechanism 8 through bolts, a second motor 32 is installed inside the second heat dissipation mechanism 8 through the second support frame 31, the second motor 32 drives the second fan blade 33 to rotate, the second fan blade 33 is sleeved on an output shaft of the second motor 32, the second fan blade 33 can dissipate heat of the heat dissipation pipe 30, the second heat dissipation fin 29 and the heat conduction plate 27, so that heat of cooling liquid in the heat dissipation pipe 30 can be dissipated, a second protective net 34 is installed inside the second heat dissipation mechanism 8 through bolts, a partition plate 35 is welded inside the liquid storage tank 4, a second temperature sensor 36 is installed on one side of one partition plate 35 through bolts, the temperature of the cooling liquid in the liquid storage tank 4 is detected in real time through the second temperature sensor 36, detected signals are transmitted to the controller 6, a protective shell 39 is welded inside the liquid storage tank 4, and an infusion pump 40 is installed, the other end of input tube 21 is connected at the output of transfer pump 40, transfer pump 40 can carry the coolant liquid in the liquid reserve tank 4 in the cooling tube 20 through input tube 21, the inside welding of oil reserve tank 5 has division board 43, install petroleum pump 44 through the bolt between the inside of oil reserve tank 5 and the division board 43, petroleum guide pipe 45 has been cup jointed to petroleum pump 44's input, petroleum pump 44's output is connected with defeated oil pipe 46, one side at bearing frame one 42 is connected to petroleum pipe 46's one end, the welding of one side of defeated oil pipe 46 has tributary pipe 47, the one end of tributary pipe 47 is connected in one side of bearing frame two 22, petroleum pump 44 can carry the inside of bearing frame one 2 and bearing frame two 22 respectively with the lubricating oil in the oil reserve tank 5 through defeated oil pipe 46 and tributary pipe 47, first 48 and filter screen two 49 are installed through defeated material filter screen in the inside of oil reserve tank 5, filter screen one 48 and filter screen two 49.
As apparent from the above description, the present invention has the following advantageous effects: through the transfer pump 40 and the cooling tube 20 that set up, transfer pump 40 can carry the coolant liquid in the liquid reserve tank 4 in the cooling tube 20 through input tube 21, the heat of casing 1 can be absorbed to the coolant liquid in the cooling tube 20, the realization is absorbed the transfer to the heat that the high-speed motor produced when moving, reduce the temperature when the high-speed motor uses, the inside that the coolant liquid in the cooling tube 20 flows back to liquid reserve tank 5 through back flow 19 and cooling tube 30, can realize the recycle of coolant liquid, be favorable to the rapid cooling to the high-speed motor simultaneously.
Furthermore, connecting plates I11 are welded on two sides of the machine shell 1 and the liquid storage tank 4, connecting plates II 12 are welded on one sides of the heat dissipation mechanisms I7 and II 8, and connecting holes 13 are formed in one sides of the connecting plates I11 and II 12, so that the heat dissipation mechanisms I7 and II 8 can be conveniently mounted and dismounted.
Further, the input end of the infusion pump 40 is sleeved with a liquid guide tube 41, one end of the liquid guide tube 41 is provided with a filter screen 42 through a bolt, and the filter screen 42 can filter the cooling liquid entering the infusion pump 40 to prevent impurities from entering the infusion pump 40.
Further, the top welding of liquid reserve tank 4 has screwed pipe 37, and screwed pipe 37's outer wall threaded connection has screw cap 38, and screw cap 38 can cover screwed pipe 37 and seal, avoids the dust to advance the inside of liquid reserve tank 4.
Further, the top of the oil storage tank 5 is welded with an inlet pipe 50, the external thread of the inlet pipe 50 is connected with a sealing cover 51, and the sealing cover 51 can cover and seal the inlet pipe 50 to prevent dust from entering the inside of the oil storage tank 5.
Furthermore, one side of the liquid storage tank 4 is provided with a second liquid level meter 15, the second liquid level meter 15 is convenient for observing the amount of the cooling liquid in the liquid storage tank 4, one side of the oil storage tank 5 is provided with a first liquid level meter 14, and the first liquid level meter 14 is convenient for observing the amount of the lubricating oil in the oil storage tank 5.
Further, a mounting plate 9 is welded at the bottom of the casing 1, the casing 1 can be fixed to a specified position through the mounting plate 9 and a bolt, and a mounting hole 10 is formed in the top of the mounting plate 9.
Further, the output end of the first temperature sensor 18 is electrically connected to the output end of the controller 6 through a conductive wire, and the output end of the second temperature sensor 36 is electrically connected to the output end of the controller 6 through a conductive wire.
Further, the output end of the controller 6 is electrically connected to the output ends of the infusion pump 40 and the oil transfer pump 44 through a conductive wire, and the output end of the controller 6 is electrically connected to the output ends of the first motor 24 and the second motor 32 through a conductive wire.
A refrigeration system for a high speed electric motor comprising the steps of:
s1, starting a first motor 24: when the high-speed motor runs, the first starting motor 24 is controlled by the controller 6. The first motor 24 drives the first fan blade 25 to rotate, and the first fan blade 25 rotates to dissipate heat inside the high-speed motor;
s2, a first temperature sensor 18: the heat generated when the high-speed motor runs is detected through a first temperature sensor 18, and a signal detected by the first temperature sensor 18 is transmitted to the controller 6;
s3, starting the infusion pump 40: when the temperature detected by the first temperature sensor 18 is higher than 30 ℃, the infusion pump 40 is started, the infusion pump 40 conveys the cooling liquid in the liquid storage tank 4 into the cooling pipe 20 through the input pipe 21, the cooling liquid in the cooling pipe 20 absorbs the heat of the machine shell 1, and the cooling liquid in the cooling pipe 20 flows back to the inside of the liquid storage tank 5 through the return pipe 19 and the radiating pipe 30;
s4, a second temperature sensor 36: the second temperature sensor 36 detects the temperature of the cooling liquid in the liquid storage tank 5, and a detected signal is transmitted to the controller 6;
s5, starting a second motor 32: and when the temperature detected by the second temperature sensor 36 is higher than 25 ℃, starting the second motor 32. The second motor 32 drives the second fan blade 33 to rotate, and the second fan blade 33 rotates to radiate heat from the heat conducting plate 27, the second heat radiating fin 29 and the heat radiating pipe 30;
s6, turning off a motor: when the high-speed motor stops being used, when the temperature detected by the first temperature sensor 18 is lower than 30 ℃; and turning off the first motor 24, and turning off the infusion pump 40 and the second motor 32 when the temperature detected by the second temperature sensor 36 is lower than 25 ℃.
By adopting the refrigeration system designed by the invention, the temperature of the cooling liquid in the shell 1 and the temperature of the cooling liquid in the liquid storage tank 4 are respectively detected in real time through the first temperature sensor 18 and the second temperature sensor 36, the detected signals are transmitted to the controller 6, and the infusion pump 40, the first motor 24 or the second motor 32 are started by the controller 6 according to the temperature requirement, so that the high-speed motor can be rapidly cooled, the electric energy consumed when the high-speed motor is cooled can be reduced, and the high-speed motor has a good energy-saving effect.
Some preferred embodiments or application examples are listed below to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention with respect to the prior art:
example 1
The invention provides a cooling device of a high-speed motor, which comprises a machine shell 1, wherein one side of the machine shell 1 is welded with a bearing seat I2, the interior of the bearing seat I2 is rotatably connected with a rotating shaft 3, the top of the machine shell 1 is provided with a liquid storage tank 4 through a bolt, the top of the liquid storage tank 4 is provided with an oil storage tank 5 through a bolt, the top of the liquid storage tank 4 is provided with a controller 6 through a bolt, the controller 6 starts an infusion pump 40 and a motor I24 or a motor II 32 according to the temperature requirement, the cooling device not only can realize the quick cooling of the high-speed motor, but also can reduce the electric energy consumed when the high-speed motor is cooled, so that the high-speed motor has good energy-saving effect, the other side of the machine shell 1 is provided with a heat dissipation mechanism I7 through a bolt, the other end of the liquid storage, the temperature sensor I18 is arranged in the casing 1, the temperature of cooling liquid in the casing 1 is detected in real time through the temperature sensor I18, a detected signal is transmitted to the controller 6, the cooling pipe 20 is embedded in the casing 1, the cooling liquid in the cooling pipe 20 can absorb heat of the casing 1, heat absorption and transfer generated when the high-speed motor runs are achieved, the temperature of the high-speed motor during use is reduced, the input pipe 21 is welded at one end of the cooling pipe 20, the return pipe 19 is welded at the other end of the cooling pipe 20, the cooling liquid in the cooling pipe 20 flows back to the inside of the liquid storage tank 5 through the return pipe 19 and the radiating pipe 30, recycling of the cooling liquid can be achieved, meanwhile, rapid cooling of the high-speed motor is facilitated, the bearing block 22 is welded at the other side of the casing 1, one end of the rotating shaft 3 rotates in the bearing block 22, the first support frame 23 is installed in the first radiating, the inside of the heat dissipation mechanism I7 is provided with a motor I24 through a support frame I23, the motor I24 drives a fan blade I25 to dissipate heat inside the high-speed motor, an output shaft of the motor I24 is sleeved with the fan blade I25, meanwhile, the motor I24 is an independent unit and can continue to dissipate heat inside the high-speed motor after the high-speed motor stops rotating, and the phenomenon that the heat dissipation is difficult to dissipate after the high-speed motor stops rotating is avoided, the inside of the heat dissipation mechanism I7 is provided with a protective screen I26 through bolts, the inside of the liquid storage tank 4 is welded with a heat conduction plate 27, one side of the heat conduction plate 27 is welded with a plurality of heat dissipation fins I28, the other side of the heat conduction plate 27 is welded with a plurality of heat dissipation fins II 29, the inside of the heat dissipation fins II 29 is penetrated with a heat dissipation pipe 30, a second support frame 31 is installed inside the second heat dissipation mechanism 8 through bolts, a second motor 32 is installed inside the second heat dissipation mechanism 8 through the second support frame 31, the second motor 32 drives the second fan blade 33 to rotate, the second fan blade 33 is sleeved on an output shaft of the second motor 32, the second fan blade 33 can dissipate heat of the heat dissipation pipe 30, the second heat dissipation fin 29 and the heat conduction plate 27, so that heat of cooling liquid in the heat dissipation pipe 30 can be dissipated, a second protective net 34 is installed inside the second heat dissipation mechanism 8 through bolts, a partition plate 35 is welded inside the liquid storage tank 4, a second temperature sensor 36 is installed on one side of one partition plate 35 through bolts, the temperature of the cooling liquid in the liquid storage tank 4 is detected in real time through the second temperature sensor 36, detected signals are transmitted to the controller 6, a protective shell 39 is welded inside the liquid storage tank 4, and an infusion pump 40 is installed, the other end of input tube 21 is connected at the output of transfer pump 40, transfer pump 40 can carry the coolant liquid in the liquid reserve tank 4 in the cooling tube 20 through input tube 21, the inside welding of oil reserve tank 5 has division board 43, install petroleum pump 44 through the bolt between the inside of oil reserve tank 5 and the division board 43, petroleum guide pipe 45 has been cup jointed to petroleum pump 44's input, petroleum pump 44's output is connected with defeated oil pipe 46, one side at bearing frame one 42 is connected to petroleum pipe 46's one end, the welding of one side of defeated oil pipe 46 has tributary pipe 47, the one end of tributary pipe 47 is connected in one side of bearing frame two 22, petroleum pump 44 can carry the inside of bearing frame one 2 and bearing frame two 22 respectively with the lubricating oil in the oil reserve tank 5 through defeated oil pipe 46 and tributary pipe 47, first 48 and filter screen two 49 are installed through defeated material filter screen in the inside of oil reserve tank 5, filter screen one 48 and filter screen two 49.
The first connecting plates 11 are welded on two sides of the machine shell 1 and the liquid storage tank 4, the second connecting plates 12 are welded on one sides of the first heat dissipation mechanism 7 and the second heat dissipation mechanism 8, and connecting holes 13 are formed in one sides of the first connecting plates 11 and the second connecting plates 12, so that the first heat dissipation mechanism 7 and the second heat dissipation mechanism 8 can be conveniently mounted and dismounted; the input end of the infusion pump 40 is sleeved with a liquid guide pipe 41, one end of the liquid guide pipe 41 is provided with a filter screen 42 through a bolt, and the filter screen 42 can filter the cooling liquid entering the infusion pump 40 to prevent impurities from entering the infusion pump 40; a threaded pipe 37 is welded at the top of the liquid storage tank 4, a threaded cover 38 is connected to the outer wall of the threaded pipe 37 in a threaded manner, and the threaded cover 38 can cover and seal the threaded pipe 37 to prevent dust from entering the liquid storage tank 4; an oil inlet pipe 50 is welded at the top of the oil storage tank 5, a sealing cover 51 is in threaded connection with the outside of the oil inlet pipe 50, and the sealing cover 51 can cover and seal the oil inlet pipe 50 to prevent dust from entering the oil storage tank 5; a second liquid level meter 15 is arranged on one side of the liquid storage tank 4, the second liquid level meter 15 is convenient for observing the amount of the cooling liquid in the liquid storage tank 4, a first liquid level meter 14 is arranged on one side of the oil storage tank 5, and the first liquid level meter 14 is convenient for observing the amount of the lubricating oil in the oil storage tank 5; the bottom of the machine shell 1 is welded with an installation plate 9, the machine shell 1 can be fixed to a specified position through the installation plate 9 and a bolt, and the top of the installation plate 9 is provided with an installation hole 10; the output end of the first temperature sensor 18 is electrically connected with the output end of the controller 6 through a conducting wire, and the output end of the second temperature sensor 36 is electrically connected with the output end of the controller 6 through a conducting wire; the output end of the controller 6 is electrically connected with the output ends of the infusion pump 40 and the oil transfer pump 44 through electric leads, and the output end of the controller 6 is electrically connected with the output ends of the first motor 24 and the second motor 32 through electric leads.
Example 2
A refrigeration system for a high speed electric motor comprising the steps of:
s1, starting a first motor 24: when the high-speed motor runs, the first starting motor 24 is controlled by the controller 6. The first motor 24 drives the first fan blade 25 to rotate, and the first fan blade 25 rotates to dissipate heat inside the high-speed motor;
s2, a first temperature sensor 18: the heat generated when the high-speed motor runs is detected through a first temperature sensor 18, and a signal detected by the first temperature sensor 18 is transmitted to the controller 6;
s3, starting the infusion pump 40: when the temperature detected by the first temperature sensor 18 is higher than 30 ℃, the infusion pump 40 is started, the infusion pump 40 conveys the cooling liquid in the liquid storage tank 4 into the cooling pipe 20 through the input pipe 21, the cooling liquid in the cooling pipe 20 absorbs the heat of the machine shell 1, and the cooling liquid in the cooling pipe 20 flows back to the inside of the liquid storage tank 5 through the return pipe 19 and the radiating pipe 30;
s4, a second temperature sensor 36: the second temperature sensor 36 detects the temperature of the cooling liquid in the liquid storage tank 5, and a detected signal is transmitted to the controller 6;
s5, starting a second motor 32: and when the temperature detected by the second temperature sensor 36 is higher than 25 ℃, starting the second motor 32. The second motor 32 drives the second fan blade 33 to rotate, and the second fan blade 33 rotates to radiate heat from the heat conducting plate 27, the second heat radiating fin 29 and the heat radiating pipe 30;
s6, turning off a motor: when the high-speed motor stops being used, when the temperature detected by the first temperature sensor 18 is lower than 30 ℃; and turning off the first motor 24, and turning off the infusion pump 40 and the second motor 32 when the temperature detected by the second temperature sensor 36 is lower than 25 ℃.
Specifically, the working principle of the invention is as follows: the casing 1 of the high-speed motor is arranged at a designated position through the mounting plate 9 and the bolts, the high-speed motor is started, the controller 6 controls the starting motor one 24, the motor one 24 drives the fan blade one 25 to dissipate heat inside the high-speed motor, the temperature sensor one 18 detects the temperature inside the casing 1, when the temperature rises, the infusion pump 40 is started through the controller 6, the infusion pump 40 can convey cooling liquid in the liquid storage tank 4 into the cooling pipe 20 through the input pipe 21, the cooling liquid in the cooling pipe 20 can absorb heat of the casing 1, heat absorption and transfer generated when the high-speed motor runs are realized, the temperature when the high-speed motor is used is reduced, the cooling liquid in the cooling pipe 20 flows back to the inside of the liquid storage tank 5 through the return pipe 19 and the radiating pipe 30, the recycling of the cooling liquid can be realized, meanwhile, the quick cooling of the high-speed motor is facilitated, and the motor, the second motor 32 drives the second fan blade 33 to rotate, the second fan blade 33 can radiate heat of the radiating pipe 30, the second radiating fin 29 and the heat conducting plate 27, so that cooling liquid in the radiating pipe 30 can be radiated, the oil delivery pump 44 is arranged, the lubricating oil in the oil storage tank 5 is respectively delivered to the insides of the first bearing seat 2 and the second bearing seat 22 through the oil delivery pipe 46 and the branch pipe 47 by the oil delivery pump 44, the lubricating oil can lubricate bearings in the first bearing seat 2 and the second bearing seat 22, the friction force between the rotating shaft 3 and the machine shell 1 is reduced, the smoothness of the high-speed motor in operation is improved, meanwhile, the controller 6 is adopted to control the oil delivery pump 44, the lubricating oil can be supplied to the insides of the first bearing seat 2 and the second bearing seat 22 at regular time, the convenience of adding the lubricating oil into the first bearing seat 2 and the second bearing seat 22 is improved, when the high-speed motor stops operating, because the first motor 24, avoid the phenomenon that the heat dissipation is difficult to give off after the high-speed motor stops the operation, improve the life-span that the high-speed motor used, this refrigerating system of adoption, carry out real-time detection to the inside of casing 1 and the temperature of cooling liquid in the liquid reserve tank 4 respectively through temperature sensor 18 and temperature sensor two 36, the signal of detection gives controller 6 in the transmission, controller 6 starts transfer pump 40 according to the temperature needs, motor 24 or motor two 32, realize the quick cooling to the high-speed motor, reduce the electric energy that the high-speed motor consumed when cooling down simultaneously, make the high-speed motor have good energy-conserving effect.
The present invention has been described with reference to the above embodiments and the accompanying drawings, however, the above embodiments are only examples for carrying out the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, modifications and equivalent arrangements included within the spirit and scope of the claims are included within the scope of the invention.
Claims (10)
1. The cooling device of the high-speed motor is characterized by comprising a casing, wherein a first bearing seat is welded on one side of the casing, a rotating shaft is connected to the inside of the first bearing seat in a rotating mode, a liquid storage tank is installed at the top of the casing through a bolt, an oil storage tank is installed at the top of the liquid storage tank through a bolt, a controller is installed at the top of the liquid storage tank through a bolt, a first heat dissipation mechanism is installed at the other side of the casing through a bolt, a second heat dissipation mechanism is installed at the other end of the liquid storage tank through a bolt, a rotor is arranged outside the rotating shaft, a stator is arranged on the inner wall of the casing, a first temperature sensor is arranged inside the casing, a cooling pipe is embedded into the casing, an input pipe is welded at one end of the cooling pipe, a return pipe is welded, one end of the rotating shaft rotates inside the bearing seat, a first support frame is installed inside the first heat dissipation mechanism through a bolt, a first motor is installed inside the first heat dissipation mechanism through the first support frame, a first fan blade is sleeved on an output shaft of the first motor, a first protection net is installed inside the first heat dissipation mechanism through a bolt, a heat conduction plate is welded inside the liquid storage box, a plurality of first heat dissipation fins are welded on one side of the heat conduction plate, a plurality of second heat dissipation fins are welded on the other side of the heat conduction plate, heat dissipation tubes penetrate through the insides of the second heat dissipation fins, one ends of the heat dissipation tubes are communicated with a return pipe, the other ends of the heat dissipation tubes penetrate through one sides of the heat conduction plate and are communicated with the inside of the liquid storage box, a second support frame is installed inside the second heat dissipation mechanism through a bolt, a second motor, a second protective net is arranged in the second heat dissipation mechanism through bolts, a partition plate is welded in the liquid storage tank, one side of one of the clapboards is provided with a second temperature sensor through a bolt, a protective shell is welded inside the liquid storage tank, the inside of the protective shell is provided with an infusion pump through material conveying, the other end of the input tube is connected with the output end of the infusion pump, the inside of the oil storage tank is welded with a separation plate, an oil transfer pump is arranged between the inside of the oil storage tank and the separation plate through a bolt, the input end of the oil delivery pump is sleeved with an oil guide pipe, the output end of the oil delivery pump is connected with an oil delivery pipe, one end of the oil delivery pipe is connected to one side of the first bearing seat, a branch pipe is welded to one side of the oil delivery pipe, one end of the branch flow pipe is connected to one side of the second bearing seat, and a first filter screen and a second filter screen are installed inside the oil storage tank through material conveying.
2. The cooling device of the high-speed motor according to claim 1, wherein a first connecting plate is welded to both sides of the casing and the liquid storage tank, a second connecting plate is welded to one side of each of the first heat dissipation mechanism and the second heat dissipation mechanism, and connecting holes are formed in one side of each of the first connecting plate and the second connecting plate.
3. The cooling device for the high-speed motor according to claim 1, wherein a liquid guide pipe is sleeved at an input end of the liquid conveying pump, and a filter screen is mounted at one end of the liquid guide pipe through a bolt.
4. The cooling apparatus for a high-speed motor according to claim 1, wherein a threaded pipe is welded to a top of the liquid storage tank, and a threaded cap is threadedly coupled to an outer wall of the threaded pipe.
5. The cooling apparatus of a high-speed motor according to claim 1, wherein an inlet pipe is welded to a top of the oil storage tank, and a sealing cover is threadedly coupled to an outer portion of the inlet pipe.
6. The cooling apparatus for a high-speed motor according to claim 1, wherein a second level gauge is provided at one side of the reservoir tank, and a first level gauge is provided at one side of the reservoir tank.
7. The cooling apparatus for a high-speed motor according to claim 1, wherein a mounting plate is welded to a bottom of the housing, and a mounting hole is formed at a top of the mounting plate.
8. The cooling device of a high-speed motor according to claim 1, wherein the output terminal of the first temperature sensor is electrically connected to the output terminal of the controller through a conductive wire, and the output terminal of the second temperature sensor is electrically connected to the output terminal of the controller through a conductive wire.
9. The cooling apparatus for a high-speed electric machine according to claim 1, wherein the output terminal of the controller is electrically connected to the output terminals of the infusion pump and the oil transfer pump through a conductive wire, and the output terminal of the controller is electrically connected to the output terminals of the first motor and the second motor through a conductive wire.
10. A refrigeration system for a high speed electric motor comprising the steps of:
s1, starting a first motor: when the high-speed motor runs, the controller controls the starting motor I, the motor drives the fan blade I to rotate, and the fan blade I rotates to radiate the inside of the high-speed motor;
s2, a first temperature sensor: the heat generated when the high-speed motor runs is detected through a first temperature sensor, and a signal detected by the first temperature sensor is transmitted to the controller;
s3, starting an infusion pump: when the temperature detected by the first temperature sensor is higher than 30-35 ℃, starting the infusion pump, delivering the cooling liquid in the liquid storage tank into the cooling pipe through the input pipe by the infusion pump, absorbing the heat of the shell by the cooling liquid in the cooling pipe, and refluxing the cooling liquid in the cooling pipe into the liquid storage tank through the return pipe and the radiating pipe;
s4, a temperature sensor II: the temperature sensor detects the temperature of the cooling liquid in the liquid storage tank, and a detected signal is transmitted to the controller;
s5, starting a motor II: when the temperature detected by the second temperature sensor is higher than 25-30 ℃, the second motor is started, the second motor drives the second fan blade to rotate, and the second fan blade rotates to radiate heat of the heat conducting plate, the second radiating fin and the radiating pipe;
s6, turning off a motor: when the high-speed motor stops being used, when the temperature detected by the first temperature sensor is lower than 30 ℃; and turning off the first motor, and turning off the infusion pump and the second motor when the temperature detected by the second temperature sensor is lower than 25 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011530322.9A CN112542921A (en) | 2020-12-22 | 2020-12-22 | Cooling device and refrigerating system of high-speed motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011530322.9A CN112542921A (en) | 2020-12-22 | 2020-12-22 | Cooling device and refrigerating system of high-speed motor |
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| CN108123568A (en) * | 2016-11-28 | 2018-06-05 | 李兴强 | A kind of rolling bearing arrangement of electric motor of automobile |
| CN108979838A (en) * | 2018-06-26 | 2018-12-11 | 芜湖精达机械制造有限公司 | A kind of wind cooler of fin easy to clean |
| CN112039285A (en) * | 2020-07-21 | 2020-12-04 | 山东科技大学 | Frequency conversion speed regulation all-in-one for coal mine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845294Y (en) * | 2005-11-09 | 2006-12-06 | 潍柴动力股份有限公司 | The automatic water radiator of generating set |
| CN108123568A (en) * | 2016-11-28 | 2018-06-05 | 李兴强 | A kind of rolling bearing arrangement of electric motor of automobile |
| CN108979838A (en) * | 2018-06-26 | 2018-12-11 | 芜湖精达机械制造有限公司 | A kind of wind cooler of fin easy to clean |
| CN112039285A (en) * | 2020-07-21 | 2020-12-04 | 山东科技大学 | Frequency conversion speed regulation all-in-one for coal mine |
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