CN116207907B - Motor with stator cooling function - Google Patents
Motor with stator cooling function Download PDFInfo
- Publication number
- CN116207907B CN116207907B CN202310490210.2A CN202310490210A CN116207907B CN 116207907 B CN116207907 B CN 116207907B CN 202310490210 A CN202310490210 A CN 202310490210A CN 116207907 B CN116207907 B CN 116207907B
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- fixedly connected
- shell
- pipe
- cooling
- annular
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Classifications
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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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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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
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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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
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the field of motors, in particular to a motor with a stator cooling function, which comprises a machine base, a machine shell and the like; the inner side of the machine seat is fixedly connected with a machine shell. According to the invention, the cooling of the fixed shell is realized through the cooling liquid in the guide pipe, the contact area between the guide pipe and the fixed shell is increased due to the fact that the guide pipe is spiral, meanwhile, the flowing heat absorption time of the cooling liquid is also prolonged greatly, so that the cooling effect is more obvious, the stator is cooled, the heat generated in the fixed shell is effectively taken away, the temperature in the casing is reduced, the cooling liquid flows through the end part of the winding group through the annular pipe, the cooling of the end part of the winding group is realized, and the impact force of the cooling liquid flowing out is larger and more concentrated due to the plurality of conical holes formed in the annular inner side surface of the annular pipe at equal intervals, so that the end part of the winding group is rapidly cooled.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor with a stator cooling function.
Background
The prior China patent (CN 113922568A) discloses a high-power density motor stator cooling structure:
the stator assembly is internally provided with the stator assembly, the stator assembly is provided with the stator baffle plate, the stator baffle plate and the liquid cooling shell are matched and provided with the micro-channel aluminum vapor chamber, the vapor chamber can well realize vapor chamber effect by installing the stator baffle plate and the micro-channel aluminum vapor chamber, heat in the stator assembly is conducted into the liquid cooling shell, the cooling of the stator assembly is accelerated, and the arranged micro-channel aluminum vapor chamber is high in heat conduction speed, so that the internal temperature of the motor can be further reduced, and the heat dissipation capacity of the motor is improved;
the stator partition plate and the micro-channel aluminum soaking plate are arranged for carrying out temperature equalization, so that the space inside the motor is divided in a large amount, the effect of temperature equalization can be achieved, heat still needs to be conducted into cooling liquid, the heat dissipation speed is low, for some large-power motors, the actual cooling requirement is difficult to meet, the heat dissipation speed is too low, the inside of the motor is extremely easy to overheat, the components inside the motor are damaged, and the service life of the motor is shortened;
and after the motor is subjected to temperature equalization through the stator partition plate and the micro-channel aluminum soaking plate, the temperature is raised again in certain areas with lower temperature, so that the heat in the stator is difficult to timely discharge, and the heat dissipation requirement of the motor is difficult to meet.
Disclosure of Invention
In order to overcome the defects of damage to components in the motor and service life reduction of the motor caused by overheat in the motor, the invention provides the motor with the stator cooling function.
The technical scheme is as follows: a motor with a stator cooling function comprises a machine base, a machine shell, a fixing ring, a hanging ring, a wire box, a fan housing, a main shaft, a stator, a fixing shell and a rotor; the inner side of the machine seat is fixedly connected with a machine shell; the right side of the machine base is fixedly connected with a fixing ring; the upper part of the outer side of the machine seat is fixedly connected with a hanging ring; the front part of the outer side of the machine seat is fixedly connected with a wire box; a fan cover is fixedly connected to the right side of the fixed ring; a main shaft is arranged in the middle of the shell through a bearing; a fixed shell is fixedly connected to the inner side of the shell; a stator is arranged on the inner side of the fixed shell; the main shaft is provided with a rotor; the device also comprises a liquid inlet pipe, a guide pipe, a liquid outlet pipe, a liquid cooling component and an air cooling component; the right side of the upper part of the stand is fixedly connected with a liquid inlet pipe; the liquid inlet pipe is fixedly connected with the shell; the lower part of the liquid inlet pipe is connected with a guide pipe; a liquid outlet pipe is fixedly connected to the left side of the upper part of the stand; the liquid outlet pipe is fixedly connected with the shell; the liquid outlet pipe is communicated with the guide pipe; the machine base is connected with a liquid cooling assembly; the liquid cooling component is connected with the shell; the liquid cooling component is connected with the fixed shell; the machine base is connected with an air cooling assembly; the air cooling component is fixedly connected with the shell; the air cooling assembly is connected with the main shaft; the air cooling assembly is connected with the fixed shell.
Further, a chamber is formed between the casing and the fixed casing, and the chamber is gradually increased from left to right for heat dissipation.
Further, the guide pipe is spiral, and the guide pipe surrounds the outside of the fixed shell for cooling.
Further, the liquid cooling component comprises a branch pipe, an annular cover, a flow guide pipe, a fixed cover and a dispersing unit; the upper part of the conduit is fixedly connected with two symmetrically distributed branch pipes; the lower parts of the two branch pipes are respectively provided with an annular pipe; both annular pipes are fixedly connected with the fixed shell; the opposite sides of the two annular pipes are fixedly connected with an annular cover; both annular covers are fixedly connected with the fixed shell; the lower parts of the two annular covers are fixedly connected with a flow guide pipe; both the guide pipes are fixedly connected with the fixed shell; both the guide pipes are fixedly connected with the shell; both the guide pipes are fixedly connected with the machine base; a fixed cover is fixedly connected with the middle parts of the two annular covers respectively; the two fixed covers are connected with a dispersing unit.
Further, a plurality of conical holes are formed in the inner side surface of the annular pipe at equal intervals in an annular mode and are used for collecting the accelerated diversion cooling liquid.
Further, the fixed cover is arranged in a conical shape and used for guiding the cooling liquid.
Further, the dispersing unit comprises a circular ring pipe and a separation sheet; a circular ring pipe is fixedly connected to both the two fixed covers; the annular equally spaced fixed connection of the two circular rings is provided with at least four separating sheets.
Further, the circular ring pipe is in a ring shape, and the circular ring pipe is fixedly connected to the edge of the fixed cover and used for blocking cooling liquid.
Further, the separation sheet is a bimetal sheet and is used for extruding the wire harness at the end part of the winding group.
Further, the air cooling assembly comprises a first fan, a ring frame, a ring block, an outer toothed ring, an air ventilation cover, a housing, a ventilation pipe, a connecting shaft, a spur gear and a second fan; the main shaft is fixedly connected with a first fan; the left part of the main shaft is fixedly connected with a circular ring frame; the ring frame is fixedly connected with a ring block; the circular ring block is rotationally connected with the fixed shell; an outer toothed ring is fixedly connected on the annular block; two ventilation hoods which are symmetrically distributed are fixedly connected on the outer side of the shell; the left part of the stand is fixedly connected with two covers which are symmetrically distributed; both the housing shells are fixedly connected with the housing shells; the two covers are fixedly connected with one ventilation cover respectively; the right part of the stand is fixedly connected with a plurality of ventilation pipes; the plurality of ventilation pipes are fixedly connected with the shell; the left part of the shell is rotationally connected with two connecting shafts which are symmetrically distributed; two straight gears are fixedly connected on the two connecting shafts respectively; both spur gears are meshed with the outer toothed ring; the two connecting shafts are fixedly connected with a second fan respectively.
The invention has the advantages and positive effects that:
1. the cooling of the fixed shell is realized through the cooling liquid in the guide pipe, and the contact area between the guide pipe and the fixed shell is increased due to the fact that the guide pipe is spiral, meanwhile, the flowing heat absorption time of the cooling liquid is also prolonged greatly and synchronously, so that the cooling effect is more obvious, the stator is cooled, heat generated in the fixed shell is effectively taken away, and the temperature in the shell is reduced;
2. the cooling liquid flows through the end part of the winding group through the annular pipe, so that the end part of the winding group is cooled, and the impact force of the flowing cooling liquid is larger and more concentrated due to the plurality of conical holes formed in the inner side surface of the annular pipe at equal intervals, so that the end part of the winding group is rapidly cooled;
3. the wire harnesses at the end parts of the winding groups are extruded through the expansion of the plurality of separation sheets, so that the wire harnesses positioned at the inner sides of the end parts of the winding groups are fully contacted with the cooling liquid, and the cooling effect of the cooling liquid on the end parts of the winding groups is further improved;
4. the motor is cooled through the first fan, and the hot air in the cavity is sucked out through the rotation of the two second fans, and the air is sucked in the cavity again through the plurality of ventilation pipes, so that the air circulation in the cavity is realized, the heat dissipation of the cavity is realized, and when the two second fans rotate, the air flow rate close to the liquid outlet pipe is larger than the air flow rate close to the liquid inlet pipe, so that the cooling liquid close to the liquid outlet pipe dissipates heat faster, the rapid heat dissipation of the cavity is realized through different flow rates, the heat dissipation efficiency is accelerated, and the rapid heat dissipation of the guide pipe and the fixed shell is further realized.
Drawings
Fig. 1 is a schematic perspective view of a motor with a stator cooling function according to the present invention;
FIG. 2 is a partial cross-sectional view of an electric machine with stator cooling according to the present invention;
fig. 3 is an exploded view of the motor with the stator cooling function of the present invention;
FIG. 4 is a schematic diagram of a first perspective view of a motor liquid cooling assembly with stator cooling according to the present invention;
FIG. 5 is a schematic diagram of a second perspective view of a motor liquid cooling assembly with stator cooling according to the present invention;
fig. 6 is a perspective view showing a motor dispersing unit having a stator cooling function according to the present invention;
fig. 7 is a first partial cross-sectional view of a motor dispersion unit having a stator cooling function of the present invention;
fig. 8 is a second partial cross-sectional view of the motor dispersion unit with stator cooling function of the present invention;
fig. 9 is a third partial cross-sectional view of the motor dispersion unit having a stator cooling function of the present invention;
fig. 10 is a schematic perspective view of an air cooling assembly of a motor with a stator cooling function according to the present invention;
FIG. 11 is a schematic view of a partial perspective view of an air cooling assembly for a motor with stator cooling according to the present invention;
fig. 12 is a partial cross-sectional view of an electric motor air cooling assembly having stator cooling capabilities in accordance with the present invention.
Reference numerals:
1-machine seat, 2-machine shell, 21-chamber, 3-fixed ring, 4-hanging ring, 5-wire box, 6-fan housing, 7-main shaft, 8-stator, 81-fixed shell, 82-winding group and 9-rotor;
201-liquid inlet pipe, 202-conduit pipe, 203-liquid outlet pipe, 204-branch pipe, 205-annular pipe, 206-annular cover, 207-honeycomb duct, 208-fixed cover, 209-annular pipe, 210-separating sheet;
301-first fans, 302-ring frames, 303-ring blocks, 304-outer toothed rings, 305-ventilation hoods, 306-enclosures, 307-ventilation pipes, 308-connecting shafts, 309-spur gears, 310-second fans.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Embodiment one:
an electric motor with a stator 8 cooling function, according to the illustrations of fig. 1-3, comprises a machine base 1, a machine shell 2, a fixed ring 3, a hanging ring 4, a wire box 5, a fan housing 6, a main shaft 7, a stator 8, a fixed shell 81 and a rotor 9; the inner side of the machine base 1 is connected with a machine shell 2 through bolts, and the machine shell 2 is made of aluminum; the right side of the machine base 1 is connected with a fixing ring 3 through bolts, and the fixing ring 3 is made of aluminum; the upper part of the outer side of the machine base 1 is fixedly connected with a hanging ring 4; the front part of the outer side of the machine base 1 is connected with a wire box 5 through bolts; a fan cover 6 is screwed on the right side of the fixed ring 3; the middle part of the shell 2 is provided with a main shaft 7 through a bearing; a fixed shell 81 is fixedly connected to the inner side of the shell 2, a cavity 21 is formed between the shell 2 and the fixed shell 81, and the cavity 21 gradually increases from left to right; the stator 8 is installed inside the fixed shell 81; the main shaft 7 is provided with a rotor 9;
the device also comprises a liquid inlet pipe 201, a guide pipe 202, a liquid outlet pipe 203, a liquid cooling component and an air cooling component; a liquid inlet pipe 201 is arranged on the right side of the upper part of the stand 1 in a penetrating way; the liquid inlet pipe 201 passes through the casing 2; the lower part of the liquid inlet pipe 201 is welded and communicated with a guide pipe 202, and the guide pipe 202 is arranged in a spiral shape; a liquid outlet pipe 203 is arranged on the left side of the upper part of the stand 1 in a penetrating way; the liquid outlet pipe 203 penetrates through the shell 2; the liquid outlet pipe 203 is communicated with the conduit 202; the machine base 1 is connected with a liquid cooling assembly; the liquid cooling component is connected with the shell 2; the liquid cooling assembly is connected with the fixed shell 81; the machine base 1 is connected with an air cooling assembly; the air cooling component is fixedly connected with the shell 2; the air cooling assembly is connected with the main shaft 7; the air cooling assembly is connected to the stationary housing 81.
When liquid cooling is performed, the liquid cooling is performed: the motor with the cooling function of the stator 8 is installed to a using position, the motor with the cooling function of the stator 8 is hereinafter referred to as a motor for short, then the peripheral pump is connected with the liquid inlet pipe 201, when the motor is in operation, a large amount of heat is generated in the motor, the inside of the casing 2 is extremely easy to overheat, the damage to components in the motor is caused, the service life of the motor is reduced, the peripheral pump is controlled to input cooling liquid into the liquid inlet pipe 201, the cooling liquid in the liquid inlet pipe 201 flows into the pipe 202 along the inner side of the pipe 202 at the moment, the pipe 202 surrounds the outer side of the fixed casing 81, part of heat is taken away by the cooling liquid in the pipe 202, finally the cooling liquid flows out of the liquid outlet pipe 203, and the peripheral pump circulates to achieve the purpose of cooling liquid circulation, so that the cooling of the fixed casing 81 is realized by the cooling liquid in the pipe 202, and the contact area of the pipe 202 and the fixed casing 81 is increased, meanwhile the time of cooling liquid flowing and heat absorption is also prolonged greatly, so that the cooling effect is more obvious, the cooling effect is realized, and the temperature of the inside of the casing 2 is reduced.
Embodiment two:
on the basis of the first embodiment, according to fig. 4 to 9, the liquid cooling assembly comprises a branch pipe 204, an annular pipe 205, an annular cover 206, a flow guiding pipe 207, a fixed cover 208 and a dispersing unit; the upper part of the conduit 202 is communicated with two branch pipes 204 which are distributed left and right; the lower parts of the two branch pipes 204 are welded and communicated with an annular pipe 205, and a plurality of conical holes are annularly and equidistantly formed on the inner side surface of the annular pipe 205; both annular tubes 205 are fixedly connected with the fixed shell 81; the opposite sides of the two annular pipes 205 are connected with an annular cover 206 through bolts; both annular covers 206 are fitted with the fixing case 81; a draft tube 207 penetrates through the lower parts of the two annular covers 206; both the guide pipes 207 are fixedly connected with the fixed shell 81; both the guide pipes 207 are fixedly connected with the shell 2; both the guide pipes 207 penetrate through the machine base 1; a fixed cover 208 for guiding cooling liquid is inserted in the middle of each of the two annular covers 206, and the fixed covers 208 are arranged in a conical shape; both stationary covers 208 are connected with a dispersion unit.
The dispersing unit comprises a circular ring tube 209 and a separation sheet 210; one side of the two fixed covers 208 away from the annular cover 206 is sleeved with a circular ring pipe 209, and the circular ring pipe 209 is positioned on the left side of the fixed covers 208; six separating sheets 210 are connected to the two circular ring pipes 209 through annular equidistant bolts, and the separating sheets 210 are bimetallic sheets.
At the same time of liquid cooling, part of the cooling liquid in the conduit 202 flows into one annular pipe 205 through two branch pipes 204, at the moment, the cooling liquid flows to the winding group 82 through a plurality of conical holes formed in the inner side surface of the annular pipe 205 in an annular equidistant manner, at the moment, the cooling liquid flows through the end part of the winding group 82, so that the end part of the winding group 82 is cooled, and the impact force of the flowing cooling liquid is larger and more concentrated due to the plurality of conical holes formed in the inner side surface of the annular pipe 205 in an annular equidistant manner, so that the end part of the winding group 82 is quickly cooled, meanwhile, when the inside of the fixing shell 81 is overheated, the copper wires on the surface layer of the winding group 82 can be extruded by a plurality of separation sheets 210, so that the cooling liquid is easier to contact with the copper wires on the inner layer, and because the separation sheets 210 are bimetallic sheets, after being heated, expansion and tilting can occur, the wire harness at the end part of the winding group 82 is extruded through the expansion of the plurality of separating sheets 210, the higher the temperature is, the larger the tilting amplitude is, the more copper wires in the inner part are exposed, so that the wire harness at the inner side of the end part of the winding group 82 is fully contacted with cooling liquid, the cooling effect of the cooling liquid on the end part of the winding group 82 is further improved, the temperature of the end part of the winding group 82 is effectively reduced, after the cooling liquid passes through the end part of the winding group 82, the cooling liquid is guided through the corresponding fixing cover 208, and the cooling liquid is prevented from flowing into the stator 8 because the fixing cover 208 is in a cone shape, and then flows downwards along one annular cover 206 and finally flows into the corresponding guide pipe 207 and is discharged, and the cooling liquid is circulated through the external pump, so that the cooling liquid is circulated, the end part of the winding group 82 is effectively cooled, the heat dissipation of the motor is quickened.
Embodiment III:
on the basis of the second embodiment, according to fig. 10-12, the air cooling assembly comprises a first fan 301, a ring frame 302, a ring block 303, an external tooth ring 304, an air ventilation cover 305, a housing 306, an air ventilation pipe 307, a connecting shaft 308, a spur gear 309 and a second fan 310; the main shaft 7 is connected with a first fan 301 for radiating heat through bolts; the left part of the main shaft 7 is welded with a circular ring frame 302; the ring frame 302 is welded with a ring block 303; the circular ring block 303 is rotatably connected with the fixed shell 81; an external tooth ring 304 is welded on the ring block 303; two ventilation covers 305 which are distributed back and forth are welded on the outer side of the shell 2; the left part of the machine base 1 is fixedly connected with two covers 306 which are distributed front and back; both the housing 306 are fixedly connected with the housing 2; two housings 306 are each attached to one ventilation cover 305; a plurality of ventilation pipes 307 are embedded in the right part of the stand 1; a plurality of ventilation pipes 307 are fixedly connected with the machine shell 2; the left part of the shell 2 is rotationally connected with two connecting shafts 308 which are distributed front and back; two straight gears 309 are sleeved on the two connecting shafts 308 respectively; both spur gears 309 mesh with the outer ring gear 304; a second fan 310 for circulating air and dissipating heat is fitted over each of the two shafts 308.
When air cooling is performed: when the motor is operated, the main shaft 7 rotates to drive the first fan 301 to rotate, thereby heat is dissipated to the motor through the first fan 301, the main shaft 7 rotates to drive the ring frame 302 to rotate, the ring frame 302 rotates to drive the ring block 303 to rotate, the ring block 303 rotates to drive the outer toothed ring 304 to rotate, the outer toothed ring 304 rotates to drive the two spur gears 309 to rotate, the two spur gears 309 rotate to drive the connecting shafts 308 to rotate, the two connecting shafts 308 rotate to drive the second fan 310 to rotate, at the moment, the two second fans 310 rotate to suck out hot air in the cavity 21, and meanwhile, the air in the cavity 21 is sucked again through the plurality of ventilation pipes 307, thereby realizing air circulation in the cavity 21, heat dissipation is realized to the cavity 21, thereby realizing heat dissipation to the guide pipe 202 and the fixed shell 81, and at the moment, and since the cooling liquid enters the guide pipe 202 from the liquid inlet pipe 201 and then is discharged from the liquid outlet pipe 203, at the moment, the cooling liquid temperature of the cooling liquid is gradually increased from the right to the left, and then the cooling liquid temperature of the liquid inlet pipe 203 is higher than the temperature of the liquid inlet pipe 201, and the two connecting shafts 308 rotate, and the two second fans 310 rotate to enable the temperature of the cooling liquid in the cavity 21 to be higher than the temperature of the liquid inlet pipe 203, and the cooling liquid inlet pipe 203 is higher than the temperature of the liquid inlet pipe 203, and the cooling liquid inlet pipe and the cooling liquid to be gradually increased to the liquid outlet pipe 21, and the cooling liquid flow speed is further higher than the temperature of the cooling liquid inlet pipe and the cooling liquid through the cooling pipe and the cooling pipe, and the cooling pipe.
It is to be understood that the above description is intended to be illustrative only and is not intended to be limiting. Those skilled in the art will appreciate variations of the present invention that are intended to be included within the scope of the claims herein.
Claims (7)
1. The motor with the stator cooling function comprises a machine seat (1), a machine shell (2), a fixed ring (3), a hanging ring (4), a wire box (5), a fan housing (6), a main shaft (7), a stator (8), a fixed shell (81) and a rotor (9); the inner side of the machine base (1) is fixedly connected with a machine shell (2); the right side of the stand (1) is fixedly connected with a fixed ring (3); the upper part of the outer side of the stand (1) is fixedly connected with a hanging ring (4); the front part of the outer side of the machine base (1) is fixedly connected with a wire box (5); a fan cover (6) is fixedly connected to the right side of the fixed ring (3); a main shaft (7) is arranged in the middle of the shell (2) through a bearing; a fixed shell (81) is fixedly connected on the inner side of the shell (2); a stator (8) is arranged on the inner side of the fixed shell (81); a rotor (9) is arranged on the main shaft (7); the method is characterized in that: the device also comprises a liquid inlet pipe (201), a guide pipe (202), a liquid outlet pipe (203), a liquid cooling component and an air cooling component; a liquid inlet pipe (201) is fixedly connected to the right side of the upper part of the stand (1); the liquid inlet pipe (201) is fixedly connected with the shell (2); the lower part of the liquid inlet pipe (201) is connected with a conduit (202); a liquid outlet pipe (203) is fixedly connected to the left side of the upper part of the stand (1); the liquid outlet pipe (203) is fixedly connected with the shell (2); the liquid outlet pipe (203) is communicated with the conduit (202); the machine base (1) is connected with a liquid cooling assembly; the liquid cooling component is connected with the shell (2); the liquid cooling component is connected with the fixed shell (81); the machine base (1) is connected with an air cooling assembly; the air cooling component is fixedly connected with the shell (2); the air cooling assembly is connected with the main shaft (7); the air cooling component is connected with the fixed shell (81);
the liquid cooling assembly comprises a branch pipe (204), an annular pipe (205), an annular cover (206), a flow guide pipe (207), a fixed cover (208) and a dispersing unit; the upper part of the conduit (202) is fixedly connected with two symmetrically distributed branch pipes (204); the lower parts of the two branch pipes (204) are respectively provided with an annular pipe (205); both annular pipes (205) are fixedly connected with the fixed shell (81); the opposite sides of the two annular pipes (205) are fixedly connected with an annular cover (206); both annular covers (206) are fixedly connected with the fixed shell (81); the lower parts of the two annular covers (206) are fixedly connected with a flow guide pipe (207); the two guide pipes (207) are fixedly connected with the fixed shell (81); the two guide pipes (207) are fixedly connected with the shell (2); the two guide pipes (207) are fixedly connected with the machine base (1); a fixed cover (208) is fixedly connected at the middle part of each of the two annular covers (206); the two fixed covers (208) are connected with a dispersing unit;
the dispersing unit comprises a circular ring pipe (209) and a separation sheet (210); a circular ring pipe (209) is fixedly connected on the two fixed covers (208); the two circular ring pipes (209) are fixedly connected with at least four separation sheets (210) at equal intervals in a ring shape;
the separation sheet (210) is a bimetallic sheet and is used for extruding the wire harness at the end part of the winding group (82).
2. The motor with stator cooling function according to claim 1, characterized in that:
a chamber (21) is formed between the casing (2) and the fixed casing (81), and the chamber (21) gradually increases from left to right for heat dissipation.
3. The motor with stator cooling function according to claim 1, characterized in that:
the inner side surface of the annular pipe (205) is provided with a plurality of conical holes in annular equidistant mode, and the conical holes are used for collecting the accelerated diversion cooling liquid.
4. The motor with stator cooling function according to claim 1, characterized in that:
the fixed cover (208) is arranged in a conical shape and is used for guiding the cooling liquid.
5. The motor with stator cooling function according to claim 1, characterized in that:
the circular ring pipe (209) is annular, and the circular ring pipe (209) is fixedly connected at the edge of the fixed cover (208) and is used for blocking cooling liquid.
6. The motor with stator cooling function according to claim 1, characterized in that:
the air cooling assembly comprises a first fan (301), a ring frame (302), a ring block (303), an external gear ring (304), an air ventilation cover (305), a housing (306), an air ventilation pipe (307), a connecting shaft (308), a spur gear (309) and a second fan (310); a first fan (301) is fixedly connected to the main shaft (7); the left part of the main shaft (7) is fixedly connected with a circular ring frame (302); the ring frame (302) is fixedly connected with a ring block (303); the circular ring block (303) is rotationally connected with the fixed shell (81); an outer toothed ring (304) is fixedly connected on the annular block (303); two symmetrically distributed ventilation hoods (305) are fixedly connected to the outer side of the shell (2); the left part of the machine base (1) is fixedly connected with two covers (306) which are symmetrically distributed; both the housing (306) are fixedly connected with the housing (2); the two covers (306) are fixedly connected with one ventilation cover (305) respectively; the right part of the stand (1) is fixedly connected with a plurality of ventilation pipes (307); a plurality of ventilation pipes (307) are fixedly connected with the shell (2); the left part of the shell (2) is rotationally connected with two symmetrically distributed connecting shafts (308); a spur gear (309) is fixedly connected on each of the two connecting shafts (308); both spur gears (309) mesh with the outer ring gear (304); a second fan (310) is fixedly connected to each of the two connecting shafts (308).
7. The motor with stator cooling function according to claim 1, characterized in that:
the conduit (202) is spiral, and the conduit (202) surrounds the outer side of the fixed shell (81) for cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490210.2A CN116207907B (en) | 2023-05-04 | 2023-05-04 | Motor with stator cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310490210.2A CN116207907B (en) | 2023-05-04 | 2023-05-04 | Motor with stator cooling function |
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| JP4586408B2 (en) * | 2004-05-06 | 2010-11-24 | 日産自動車株式会社 | Motor generator cooling structure |
| CN110350679B (en) * | 2019-06-19 | 2020-07-28 | 华中科技大学 | Stator sealing structure and motor with same |
| DE102020206333A1 (en) * | 2020-05-20 | 2021-11-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electric machine with winding head cooling |
| CN113300526B (en) * | 2021-05-11 | 2022-08-26 | 浙江方特智能传动有限公司 | Environment-friendly energy-saving motor |
| CN214959144U (en) * | 2021-07-16 | 2021-11-30 | 肇庆市力佳电机有限公司 | Low-energy-consumption unidirectional asynchronous motor |
| CN114915084A (en) * | 2022-04-15 | 2022-08-16 | 浙江奇志电机股份有限公司 | Outdoor equipment is with high resistant motor that waits that adjusts temperature |
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