CN115224880A - Built-in drive IPM motor - Google Patents
Built-in drive IPM motor Download PDFInfo
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- CN115224880A CN115224880A CN202211140802.3A CN202211140802A CN115224880A CN 115224880 A CN115224880 A CN 115224880A CN 202211140802 A CN202211140802 A CN 202211140802A CN 115224880 A CN115224880 A CN 115224880A
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- heat exchange
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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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of motors, in particular to a built-in drive IPM motor. Comprises a motor body, a heat dissipation component and the like; the outside of the motor body is connected with a heat dissipation assembly. When the heat exchanger is used, the motor body provides power for external equipment, meanwhile, the second straight gear is driven to rotate, power is provided for heat exchange oil circulation through the second straight gear, the circulated heat exchange oil is used for dissipating heat of the motor, the blades are driven to rotate through the second straight gear to generate air flow, the circulated heat exchange oil is cooled, extra equipment is not required to be arranged in the process, the heat exchange oil is driven to circulate and flow, the heat exchange oil is cooled, the cost is saved, hot oil circulation flowing and cooling procedures are not required to be driven through manpower or program control, and convenience is improved.
Description
Technical Field
The invention relates to the field of motors, in particular to a built-in drive IPM motor.
Background
Chinese utility model patent with publication number CN207853680U discloses an IPM motor heat dissipation structure, water in a water storage tank can be pumped into an evaporator and a refrigerating tank through a water pump, the entering water can be evaporated through the evaporator, thereby absorbing the heat of the water in the refrigerating tank and changing the water into cold water, and the cold water enters a cooling layer to generate heat exchange with the inner wall of a motor body, thereby achieving the heat dissipation effect; and need use motor drive's water pump among its cooling water circulation process, its cooling water heat transfer process needs use electric drive's evaporimeter, all can give out great heat in water pump and the evaporimeter working process, lead to the radiating effect to be less than the default, there is overheated risk, and set up water pump and evaporimeter and need increase extra cost, lead to economic benefits low, and simultaneously, the motor during operation can produce vibrations, lead to motor housing and cooling layer appearance clearance, lead to heat exchange efficiency to descend, if directly set up motor housing in the cooling water, then can appear leading to the problem that the radiating effect is low because of the cooling water mobility is poor, and there is certain potential safety hazard.
Disclosure of Invention
In order to overcome the defects that the heat dissipation effect is lower than a preset value and overheating risks exist because large heat can be emitted in the working process of a water pump and an evaporator of the existing equipment, the invention provides a built-in drive IPM motor.
The technical implementation scheme of the invention is as follows: a built-in drive IPM motor comprises a shell, a motor body, a reduction gearbox, a rotating shaft, a first connecting frame, a protective shell, a first cylinder, a second straight gear, a heat dissipation assembly and a heat exchange assembly; the inner side of the shell is fixedly connected with a motor body; the output shaft of the motor body is connected with a reduction box; the lower side of the reduction box is fixedly connected with the shell; the output shaft of the reduction gearbox is fixedly connected with a rotating shaft; the upper side of the reduction gearbox is fixedly connected with a first connecting frame; the first connecting frame is rotationally connected with the rotating shaft; a protective shell is fixedly connected to the lower side of the first connecting frame; the protective shell is fixedly connected with the reduction gearbox; the outer side of the motor body is connected with a heat dissipation assembly; the heat dissipation assembly is connected with the shell; the right side of the reduction gearbox is connected with a heat exchange assembly; the heat exchange assembly is connected with the heat dissipation assembly; the motor body is subjected to sealed efficient heat dissipation through the matching of the heat dissipation assembly and the heat exchange assembly; the lower part of the heat dissipation assembly is connected with a first cylinder for heat exchange; the inner side of the first cylinder is connected with a second cylinder for heat exchange in a sliding way; the inner side of the second cylinder is fixedly connected with the motor body; a first cavity is formed between the inner side wall of the first cylinder and the second cylinder; heat exchange oil is arranged in the first cavity; a second cavity is formed between the upper part of the inner part of the first cylinder and the bulge of the second cylinder, and a second cavity is also formed between the lower side of the first cylinder and the second cylinder; in the vibration process of the motor body, the first cylinder is matched with the second cylinder to enable the heat exchange oil to be filled in the first cavity all the time; a second straight gear is fixedly connected to the lower side of the rotating shaft; the second straight gear is connected with the heat dissipation assembly; the second straight gear is connected with the heat exchange assembly; the heat dissipation assembly and the heat exchange assembly are driven by the second straight gear to synchronously operate along with the motor body.
Preferably, the heat dissipation assembly comprises a fiber ring, a first fiber strip, a storage box, a first pipeline, a first piston, a feeding unit and a circulating unit; a fiber ring is clamped at the inner sides of the two second cavities of the first cylinder; the middle parts of the front sides of the two fiber rings are fixedly connected with a first fiber strip, and the front end of the first fiber strip penetrates through the first cylinder; a storage box is fixedly connected to the upper part of the front side and the lower part of the front side of the first cylinder; the lower sides of the two storage boxes are respectively communicated with a first pipeline, and the first pipeline penetrates through the shell; the front ends of the two first pipelines are respectively connected with a first piston in a screwing way; the storage box positioned below passes through the shell; the middle part of the first cylinder is connected with a feeding unit; the upper side of the first cylinder is connected with a circulating unit.
Preferably, the feeding unit comprises a second pipeline and a second piston; a second pipeline penetrates through the middle part of the first cylinder; the second pipeline is communicated with the first cavity; the second pipeline penetrates through the shell; the front end of the second pipeline is screwed with a second piston.
Preferably, the circulating unit comprises a third pipeline, a second connecting frame, an upper cover, a hollow block, a circular ring, a lower cover, a circular rod, an impeller, a first straight gear, a fourth pipeline, a fifth pipeline and a sixth pipeline; a third pipeline is inserted in the upper part of the left side of the first cylinder; the third pipeline passes through the shell; a second connecting frame is fixedly connected to the left part of the lower side of the first connecting frame; an upper cover is fixedly connected to the lower side of the second connecting frame; a hollow block is fixedly connected with the lower side of the upper cover; the hollow block is communicated with the third pipeline; a circular ring is fixedly connected to the inner side of the hollow block, and a through hole is formed in the left side of the circular ring; the lower side of the hollow block is fixedly connected with a lower cover; the middle part of the lower cover is rotatably connected with a round rod; the upper part of the round rod is fixedly connected with an impeller, and the impeller is positioned in the round ring; the lower part of the round rod is fixedly connected with a first straight gear; the first straight gear is meshed with the second straight gear; the right part of the upper side of the upper cover is communicated with a fourth pipeline; the lower end of the fourth pipeline is communicated with a fifth pipeline for heat exchange; a sixth pipeline for heat exchange is communicated with the lower side of the fifth pipeline; the sixth pipeline is communicated with the third pipeline; the fifth pipeline is fixedly connected inside the first cylinder; the sixth pipeline is fixedly connected inside the first cylinder; and heat exchange oil is filled in the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline.
Preferably, the rear part of the left side of the hollow block is provided with a first channel, and the first channel is communicated with the third pipeline.
Preferably, the right part of the upper side of the upper cover is provided with a second channel, and the first channel is communicated with the third pipeline.
Preferably, the heat exchange assembly comprises a third cylinder, a fourth cylinder, blades, a third spur gear, a diffusion unit and a leakage-proof set; a third cylinder is fixedly connected to the right side of the reduction gearbox; the upper side of the third cylinder is rotatably connected with a fourth cylinder; five blades are fixedly connected to the inner side of the fourth cylinder in an annular array; a third straight gear is fixedly connected to the outer side of the fourth cylinder; the third straight gear is meshed with the second straight gear; the inner side of the third cylinder is connected with a diffusion unit; the middle part of the diffusion unit is connected with a leakage-proof set.
Preferably, the diffusion unit comprises a third connecting frame, a fifth cylinder and heat exchange fins; two third connecting frames are fixedly connected to the inner side of the third cylinder; a fifth cylinder for heat exchange is fixedly connected between the two third connecting frames; five heat exchange sheets are fixedly connected to the inner side of the fifth cylinder in an annular array; and the five heat exchange fins penetrate through the inner side of the fourth pipeline.
Preferably, the leakage-proof assembly comprises a clamping groove strip and a second fiber strip; five clamping groove strips are fixedly connected to the middle part of the outer side of the fourth pipeline in an annular array manner, and the five clamping groove strips are respectively positioned on the outer sides of the adjacent heat exchange fins; and a second fiber strip is clamped between each adjacent clamping groove strip and the heat exchange plate.
Preferably, the heat exchange assembly further comprises a flow guide block; a plurality of flow guide blocks are fixedly connected to the side surfaces of the five heat exchange sheets; the inner side of the fifth cylinder is also fixedly connected with a plurality of flow guide blocks; the flow guide block is an isosceles triangle block.
Compared with the prior art, the invention has the following advantages: when the motor is used, the motor body provides power for external equipment and simultaneously drives the second straight gear to rotate, the second straight gear provides power for heat exchange oil circulation, the circulating heat exchange oil dissipates heat of the motor body, the second straight gear drives the blades to rotate to generate air flow, and the circulating heat exchange oil is cooled;
the first cylinder is matched with the second cylinder, so that heat exchange oil is filled inside the first cavity all the time in the vibration process of the motor body, the problem that a gap is formed between the motor body and a cooling layer due to vibration of the motor body in the existing equipment is avoided, the problem that the heat exchange effect is reduced is avoided, meanwhile, the heat exchange oil which penetrates into the second cavity from the first cavity is absorbed through the fiber ring, the heat exchange oil is prevented from directly penetrating out of the gap between the second cylinder and the first cylinder, and the equipment is prevented from being polluted;
carry out the in-process of cooling down to heat transfer oil, because the heat exchanger fin is close to first pipeline center one end and inserts in the inboard direct contact heat transfer oil of fourth pipeline, improve heat transfer area greatly, thereby improve cooling efficiency, frequently strike the inside wall of heat exchanger fin and fifth drum when making the air flow upwards through the water conservancy diversion piece, the cooling effect is compared in the more high-efficient of the gentle air that upwards flows, will follow the heat transfer oil that permeates out in heat exchanger fin and the fourth pipeline clearance through the second fiber strip and adsorb, avoid the air that upwards flows to blow the heat transfer oil that permeates out to polluted environment in the air.
Drawings
Fig. 1 is a schematic structural view of an IPM machine with built-in drive according to the present invention;
fig. 2 is a first cross-sectional view of the IPM machine with built-in driver of the present invention;
FIG. 3 is a second cross-sectional view of the IPM machine with internal drive of the present invention;
FIG. 4 is a schematic view of a portion of the heat dissipation assembly of the present invention;
FIG. 5 is a schematic view of a second partial structure of the heat dissipating assembly of the present invention;
FIG. 6 is a third schematic view of a portion of the heat dissipation assembly of the present invention;
FIG. 7 is a fourth schematic view of a portion of the heat dissipation assembly of the present invention;
FIG. 8 is a schematic view of a partial structure of a heat sink assembly according to the present invention;
fig. 9 is a schematic view showing a partial structure of a heat dissipation assembly according to a sixth embodiment of the present invention;
FIG. 10 is a schematic structural view of a heat exchange assembly of the present invention;
FIG. 11 is a partial top view of the heat exchange assembly of the present invention;
fig. 12 is a partial schematic view of the heat exchange assembly of the present invention.
The parts are numbered as follows: 1-shell, 2-motor body, 3-reduction box, 4-rotating shaft, 5-first connecting frame, 6-protective shell, 201-first cylinder, 202-second cylinder, 203-fiber ring, 204-first fiber strip, 205-storage box, 206-first pipeline, 207-first piston, 208-second pipeline, 209-second piston, 2010-third pipeline, 2011-second connecting frame, 2012-upper cover, 2013-hollow block, 2014-ring, 2015-lower cover, 2016-round rod, 2017-impeller, 2018-first straight gear, 2019-second straight gear, 2020-fourth pipeline, 2021-fifth pipeline, 2022-sixth pipeline, 301-third cylinder, 302-fourth cylinder, 303-blade, 304-third straight gear, 305-third connecting frame, 306-fifth cylinder, 307-heat exchange sheet, flow guide-block, 309-308-snap groove fiber strip, 3010-second fiber strip, 92-second hollow cavity, 94-second channel, 93-second channel, and second channel.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
A built-in drive IPM motor is shown in figures 1-9 and comprises a shell 1, a motor body 2, a reduction gearbox 3, a rotating shaft 4, a first connecting frame 5, a protective shell 6, a first cylinder 201, a second cylinder 202, a second straight gear 2019, a heat dissipation assembly and a heat exchange assembly; the inner side of the shell 1 is fixedly connected with a motor body 2; the output shaft of the motor body 2 is connected with a reduction box 3; the lower side of the reduction gearbox 3 is fixedly connected with the shell 1; an output shaft of the reduction gearbox 3 is fixedly connected with a rotating shaft 4; a protective shell 6 is fixedly connected to the lower side of the first connecting frame 5; the protective shell 6 is fixedly connected with the reduction gearbox 3; the upper side of the reduction gearbox 3 is connected with a first connecting frame 5 through bolts; the first connecting frame 5 is rotationally connected with the rotating shaft 4; the outer side of the motor body 2 is connected with a heat dissipation assembly; the heat dissipation assembly is connected with the shell 1; the right side of the reduction box 3 is connected with a heat exchange assembly; the heat exchange assembly is connected with the heat dissipation assembly; the lower part of the heat dissipation assembly is connected with a first cylinder 201 for heat exchange; a second cylinder 202 for heat exchange is connected to the inner side of the first cylinder 201 in a sliding manner; the inner side of the second cylinder 202 is fixedly connected with the motor body 2; a first cavity 91 is formed between the inner side wall of the first cylinder 201 and the second cylinder 202; heat exchange oil is arranged in the first cavity 91; a second cavity 92 is formed between the upper part of the inner part of the upper side of the first cylinder 201 and the bulge of the second cylinder 202, and a second cavity 92 is also formed between the lower side of the first cylinder 201 and the second cylinder 202; a second straight gear 2019 is fixedly connected to the lower side of the rotating shaft 4; the second straight gear 2019 is connected with the heat dissipation assembly; the second spur gear 2019 is connected with the heat exchange assembly.
The heat dissipation assembly comprises a fiber ring 203, a first fiber strip 204, a storage box 205, a first pipeline 206, a first piston 207, a feeding unit and a circulating unit; a fiber ring 203 is clamped inside each of the two second cavities 92 of the first cylinder 201; the middle parts of the front sides of the two fiber rings 203 are fixedly connected with a first fiber strip 204, and the front end of the first fiber strip 204 penetrates through the first cylinder 201; a storage box 205 is fixedly connected to the upper part and the lower part of the front side of the first cylinder 201; the lower sides of the two storage boxes 205 are respectively communicated with a first pipeline 206, and the first pipeline 206 penetrates through the shell 1; the front ends of the two first pipelines 206 are respectively screwed with a first piston 207; the storage box 205 located below passes through the housing 1; the middle part of the first cylinder 201 is connected with a feeding unit; the circulation unit is connected to the upper side of the first cylinder 201.
The feeding unit comprises a second pipeline 208 and a second piston 209; a second pipeline 208 is arranged in the middle of the first cylinder 201 in a penetrating way; the second conduit 208 communicates with the first cavity 91; the second conduit 208 passes through the housing 1; a second piston 209 is screwed to the front end of the second pipe 208.
The circulating unit comprises a third pipeline 2010, a second connecting frame 2011, an upper cover 2012, a hollow block 2013, a circular ring 2014, a lower cover 2015, a circular rod 2016, an impeller 2017, a first straight gear 2018, a fourth pipeline 2020, a fifth pipeline 2021 and a sixth pipeline 2022; a third pipeline 2010 is inserted in the upper part of the left side of the first cylinder 201; the third conduit 2010 passes through the housing 1; a second connecting frame 2011 is connected with the left part of the lower side of the first connecting frame 5 through bolts; an upper cover 2012 is welded on the lower side of the second connecting frame 2011; a hollow block 2013 is connected to the lower side of the upper cover 2012 through a bolt; the hollow block 2013 is in communication with the third conduit 2010; a circular ring 2014 is fixedly connected to the inner side of the hollow block 2013, and a through hole is formed in the left side of the circular ring 2014; a lower cover 2015 is connected to the lower side of the hollow block 2013 through bolts; a round rod 2016 is rotatably connected to the middle of the lower cover 2015; an impeller 2017 is fixedly connected to the upper portion of the round rod 2016, and the impeller 2017 is located in the circular ring 2014; a first straight gear 2018 is fixedly connected to the lower portion of the round rod 2016; the first straight gear 2018 is meshed with the second straight gear 2019; a fourth pipeline 2020 is communicated with the right part of the upper side of the upper cover 2012; the lower end of the fourth pipeline 2020 is communicated with a fifth pipeline 2021 for heat exchange; a sixth pipeline 2022 for heat exchange is communicated with the lower side of the fifth pipeline 2021; the sixth conduit 2022 communicates with the third conduit 2010; the fifth pipe 2021 is fixedly connected to the inside of the first cylinder 201; a sixth pipe 2022 is fixedly connected to the inside of the first cylinder 201; the third, fourth, fifth and sixth pipes 2010, 2020, 2021, 2022 are filled with heat exchange oil.
A first channel 93 is formed in the rear portion of the left side of the hollow block 2013, and the first channel 93 is communicated with a third pipeline 2010.
The upper cover 2012 is provided with a second passage 94 at the right portion of the upper side, and the second passage 94 is communicated with the fourth passage 2020.
The sixth conduit 2022 is distributed in an arc wave shape.
When the electric vehicle is ready for operation, the first connecting frame 5 is manually fixed on the external mounting plate by using bolts, the rotating shaft 4 is fixedly connected to the power input end of the external equipment, then the motor body 2 drives the reduction gearbox 3 to operate, the reduction gearbox 3 drives the rotating shaft 4 to rotate, and the external equipment is powered by the rotating shaft 4 to realize a driving function; the heat generated by the motor body 2 during operation is conducted to the second cylinder 202, and then the heat is conducted from the second cylinder 202 to the heat exchange oil in the first cavity 91, then conducted to the first cylinder 201, and then conducted to the heat exchange oil in the fifth pipe 2021 and the sixth pipe 2022, so as to achieve the heat dissipation effect; when power is provided for external equipment through the rotating shaft 4, the rotating shaft 4 drives the second straight gear 2019 to rotate, the second straight gear 2019 drives the first straight gear 2018 to rotate, the first straight gear 2018 drives the round rod 2016 to rotate, the round rod 2016 drives the impeller 2017 to rotate, so that heat exchange oil in the fourth pipeline 2020 flows into the hollow block 2013 through the second channel 94 on the upper cover 2012, then flows into the third pipeline 2010 through the first channel 93 on the hollow block 2013, then flows into the sixth pipeline 2022 from the third pipeline 2010, then flows into the fifth pipeline 2021 from the sixth pipeline 2022, and then flows back into the fourth pipeline 2020 from the fifth pipeline 2021, so that the heat exchange oil circularly flows, then the heat exchange oil is cooled through the heat exchange assembly, the heat exchange oil circularly flows continuously to dissipate heat for the motor body 2, when the heat dissipation motor body 2 provides power for the external equipment, the second straight gear 9 is also driven to rotate, the heat exchange oil is provided for the second straight gear 2019, the heat exchange oil circularly flows, the heat dissipation effect is greatly reduced, and the heat dissipation effect of the motor is greatly reduced, and the heat dissipation effect of the heat dissipation motor body is greatly reduced, and the heat dissipation problem of the heat dissipation motor itself is avoided; when the motor body 2 works, vibration is generated, the motor body 2 drives the second cylinder 202 to vibrate, so that the second cylinder 202 slides irregularly on the first cylinder 201, the shape of the first cavity 91 is changed irregularly at the moment, and heat exchange oil is filled inside the first cavity 91 all the time, so that the problem that a gap is formed between the motor body 2 and a cooling layer due to vibration in the existing equipment is solved, and the problem that the heat exchange effect is reduced is solved; when the second cylinder 202 slides on the first cylinder 201, part of the heat exchange oil in the first cavity 91 can penetrate into the second cavity 92, and then the penetrated heat exchange oil is absorbed by the fiber ring 203, because the inside of the storage box 205 is in a negative pressure state, the heat exchange oil in the fiber ring 203 flows into the first fiber strips 204 and then drops into the storage box 205 for collection, so that the heat exchange oil is prevented from directly penetrating out from a gap between the second cylinder 202 and the first cylinder 201, and the equipment is prevented from being polluted, during periodic maintenance, the first piston 207 and the second piston 209 are manually taken out, the heat exchange oil in the storage box 205 is taken out through the first pipeline 206, and the lost heat exchange oil is replenished to the first cavity 91 through the second pipeline 208.
Example 2
On the basis of the embodiment 1, as shown in FIGS. 1-2 and 10-12, the heat exchange assembly comprises a third cylinder 301, a fourth cylinder 302, blades 303, a third spur gear 304, a diffusion unit and a leakage-proof set; a third cylinder 301 is fixedly connected to the right side of the reduction gearbox 3; the upper side of the third cylinder 301 is rotatably connected with a fourth cylinder 302; five blades 303 are welded on the inner side of the fourth cylinder 302 in an annular array; a third spur gear 304 is welded on the outer side of the fourth cylinder 302; the third spur gear 304 is meshed with the second spur gear 2019; the inner side of the third cylinder 301 is connected with a diffusion unit; the middle part of the diffusion unit is connected with a leakage-proof set.
The diffusion unit comprises a third connecting frame 305, a fifth cylinder 306 and a heat exchange plate 307; two third connecting frames 305 are welded on the inner side of the third cylinder 301; a fifth cylinder 306 for heat exchange is fixedly connected between the two third connecting frames 305; five heat exchange fins 307 are welded on the inner side of the fifth cylinder 306 in an annular array; all five fins 307 penetrate to the inner side of the fourth pipe 2020.
The fifth cylinder 306 is made of copper.
The heat exchanger plate 307 is made of copper.
The leak-proof set comprises a slot bar 309 and a second fiber bar 3010; five clamping groove strips 309 are welded in an annular array in the middle of the outer side of the fourth pipeline 2020, and the five clamping groove strips 309 are respectively located on the outer sides of the adjacent heat exchange fins 307; a second fiber strip 3010 is clamped between each adjacent clamping groove strip 309 and heat exchange fin 307.
The heat exchange assembly also comprises a flow guide block 308; a plurality of flow guide blocks 308 are welded on the side surfaces of the five heat exchange fins 307; a plurality of flow guide blocks 308 are also welded on the inner side of the fifth cylinder 306; the deflector block 308 is an isosceles triangle.
The specific operation of the heat exchange component in the first embodiment on cooling the heat exchange oil which circularly flows is as follows: the second spur gear 2019 drives the third spur gear 304 to rotate, the third spur gear 304 drives the fourth cylinder 302 to rotate, the fourth cylinder 302 drives the five blades 303 to perform circular motion, so that air in the third cylinder 301 flows from bottom to top, heat exchange oil circularly flowing in the fourth pipeline 2020 conducts heat to the heat exchange sheet 307 and the fifth cylinder 306, then the heat exchange sheet 307 and the fifth cylinder 306 are cooled through the air upwards flowing in the third cylinder 301, and heat exchange oil circularly flowing in the fourth pipeline 2020 is cooled; in the heat exchange process, one end of the heat exchange plate 307 close to the center of the first pipeline 206 is inserted into the inner side of the fourth pipeline 2020 to directly contact heat exchange oil, so that the heat exchange area is greatly increased, and the cooling efficiency is improved; meanwhile, when the air flows upwards in the third cylinder 301, the air collides with the inclined surface of the flow guide block 308, and then obliquely and upwards collides with the inner side walls of the heat exchange sheet 307 and the fifth cylinder 306 along the inclined surface of the flow guide block 308, that is, the air frequently collides with the inner side walls of the heat exchange sheet 307 and the fifth cylinder 306 while flowing upwards, so that the cooling effect is more efficient than that of the air flowing gently upwards; the heat exchange oil permeating from the gap between the heat exchange plate 307 and the fourth pipeline 2020 is adsorbed by the second fiber strip 3010, and the environment pollution caused by the upward flowing air blowing the permeated heat exchange oil to the air is avoided.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is made for the purpose of illustrating the principles of embodiments of the present invention and should not be construed in any way as limiting the scope of embodiments of the present invention. Based on the explanations herein, those skilled in the art will be able to conceive of other specific embodiments of the present invention without inventive step, and such embodiments will fall within the scope of the embodiments of the present invention.
Claims (10)
1. A built-in drive IPM motor comprises a shell (1), a motor body (2), a reduction gearbox (3), a rotating shaft (4), a first connecting frame (5) and a protective shell (6); the inner side of the shell (1) is fixedly connected with a motor body (2); the output shaft of the motor body (2) is connected with a reduction box (3); the lower side of the reduction gearbox (3) is fixedly connected with the shell (1); an output shaft of the reduction box (3) is fixedly connected with a rotating shaft (4); the upper side of the reduction gearbox (3) is fixedly connected with a first connecting frame (5); the first connecting frame (5) is rotationally connected with the rotating shaft (4); a protective shell (6) is fixedly connected to the lower side of the first connecting frame (5); the protective shell (6) is fixedly connected with the reduction gearbox (3); the method is characterized in that: the device also comprises a first cylinder (201), a second cylinder (202), a second straight gear (2019), a heat dissipation assembly and a heat exchange assembly; the outer side of the motor body (2) is connected with a heat dissipation assembly; the heat dissipation assembly is connected with the shell (1); the right side of the reduction gearbox (3) is connected with a heat exchange assembly; the heat exchange assembly is connected with the heat dissipation assembly; the motor body (2) is subjected to sealed efficient heat dissipation through the matching of the heat dissipation assembly and the heat exchange assembly; the lower part of the heat dissipation component is connected with a first cylinder (201) for heat exchange; a second cylinder (202) used for heat exchange is connected to the inner side of the first cylinder (201) in a sliding manner; the inner side of the second cylinder (202) is fixedly connected with the motor body (2); a first cavity (91) is formed between the inner side wall of the first cylinder (201) and the second cylinder (202); heat exchange oil is arranged in the first cavity (91); a second cavity (92) is formed between the upper part of the inner part of the first cylinder (201) and the bulge of the second cylinder (202), and a second cavity (92) is also formed between the lower side of the first cylinder (201) and the second cylinder (202); in the vibration process of the motor body (2), the first cavity (91) is filled with the heat exchange oil all the time through the matching of the first cylinder (201) and the second cylinder (202); a second straight gear (2019) is fixedly connected to the lower side of the rotating shaft (4); the second straight gear (2019) is connected with the heat dissipation assembly; the second straight gear (2019) is connected with the heat exchange assembly; the heat dissipation assembly and the heat exchange assembly are driven by the second straight gear (2019) to synchronously operate along with the motor body (2).
2. An interior drive IPM machine according to claim 1, wherein: the heat dissipation assembly comprises a fiber ring (203), a first fiber strip (204), a storage box (205), a first pipeline (206), a first piston (207), a feeding unit and a circulating unit; a fiber ring (203) is clamped at the inner sides of the two second cavities (92) of the first cylinder (201); the middle parts of the front sides of the two fiber rings (203) are fixedly connected with a first fiber strip (204), and the front end of the first fiber strip (204) penetrates out of the first cylinder (201); a storage box (205) is fixedly connected to the upper part and the lower part of the front side of the first cylinder (201); a first pipeline (206) is communicated with the lower sides of the two storage boxes (205), and the first pipeline (206) penetrates through the shell (1); the front ends of the two first pipelines (206) are respectively screwed with a first piston (207); the storage box (205) positioned below penetrates through the shell (1); the middle part of the first cylinder (201) is connected with a feeding unit; the upper side of the first cylinder (201) is connected with a circulating unit.
3. An interior drive IPM machine according to claim 2, wherein: the feeding unit comprises a second pipeline (208) and a second piston (209); a second pipeline (208) penetrates through the middle part of the first cylinder (201); the second pipeline (208) is communicated with the first cavity (91); a second conduit (208) passing through the housing (1); the front end of the second pipeline (208) is screwed with a second piston (209).
4. An interior drive IPM machine according to claim 3, wherein: the circulating unit comprises a third pipeline (2010), a second connecting frame (2011), an upper cover (2012), a hollow block (2013), a circular ring (2014), a lower cover (2015), a circular rod (2016), an impeller (2017), a first straight gear (2018), a fourth pipeline (2020), a fifth pipeline (2021) and a sixth pipeline (2022); a third pipeline (2010) is inserted into the upper part of the left side of the first cylinder (201); a third conduit (2010) passing through the housing (1); a second connecting frame (2011) is fixedly connected with the left part of the lower side of the first connecting frame (5); an upper cover (2012) is fixedly connected to the lower side of the second connecting frame (2011); a hollow block (2013) is fixedly connected to the lower side of the upper cover (2012); the hollow block (2013) is communicated with the third pipeline (2010); a circular ring (2014) is fixedly connected to the inner side of the hollow block (2013), and a through hole is formed in the left side of the circular ring (2014); a lower cover (2015) is fixedly connected to the lower side of the hollow block (2013); a round rod (2016) is rotatably connected to the middle of the lower cover (2015); an impeller (2017) is fixedly connected to the upper portion of the round rod (2016), and the impeller (2017) is located in the circular ring (2014); a first straight gear (2018) is fixedly connected to the lower portion of the round rod (2016); the first straight gear (2018) is meshed with the second straight gear (2019); a fourth pipeline (2020) is communicated with the right part of the upper side of the upper cover (2012); the lower end of the fourth pipeline (2020) is communicated with a fifth pipeline (2021) for heat exchange; a sixth pipeline (2022) for heat exchange is communicated with the lower side of the fifth pipeline (2021); the sixth pipeline (2022) is communicated with the third pipeline (2010); the fifth pipeline (2021) is fixedly connected inside the first cylinder (201); the sixth pipeline (2022) is fixedly connected inside the first cylinder (201); the third pipeline (2010), the fourth pipeline (2020), the fifth pipeline (2021) and the sixth pipeline (2022) are filled with heat exchange oil.
5. An interior drive IPM machine according to claim 4, wherein: a first channel (93) is formed in the rear portion of the left side of the hollow block (2013), and the first channel (93) is communicated with the third pipeline (2010).
6. An interior drive IPM machine according to claim 4, wherein: a second channel (94) is formed in the right portion of the upper side of the upper cover (2012), and the second channel (94) is communicated with the fourth pipeline (2020).
7. An interior drive IPM machine according to claim 4, wherein: the heat exchange assembly comprises a third cylinder (301), a fourth cylinder (302), blades (303), a third spur gear (304), a diffusion unit and a leakage-proof set; a third cylinder (301) is fixedly connected to the right side of the reduction gearbox (3); the upper side of the third cylinder (301) is rotatably connected with a fourth cylinder (302); five blades (303) are fixedly connected to the inner side of the fourth cylinder (302) in an annular array; a third spur gear (304) is fixedly connected to the outer side of the fourth cylinder (302); the third spur gear (304) is meshed with the second spur gear (2019); the inner side of the third cylinder (301) is connected with a diffusion unit; the middle part of the diffusion unit is connected with a leakage-proof set.
8. An interior drive IPM machine according to claim 7, wherein: the diffusion unit comprises a third connecting frame (305), a fifth cylinder (306) and a heat exchange plate (307); two third connecting frames (305) are fixedly connected with the inner side of the third cylinder (301); a fifth cylinder (306) for heat exchange is fixedly connected between the two third connecting frames (305); five heat exchange fins (307) are fixedly connected to the inner side of the fifth cylinder (306) in an annular array; and all five heat exchange fins (307) penetrate to the inner side of the fourth pipeline (2020).
9. An interior drive IPM machine according to claim 8, wherein: the leak-proof set comprises a clamping groove strip (309) and a second fiber strip (3010); five clamping groove strips (309) are fixedly connected to the middle of the outer side of the fourth pipeline (2020) in an annular array, and the five clamping groove strips (309) are respectively positioned on the outer sides of the adjacent heat exchange fins (307); a second fiber strip (3010) is clamped between each adjacent clamping groove strip (309) and each heat exchange sheet (307).
10. An interior drive IPM machine according to claim 9, wherein: the heat exchange component also comprises a flow guide block (308); the side surfaces of the five heat exchange plates (307) are fixedly connected with a plurality of flow guide blocks (308); the inner side of the fifth cylinder (306) is also fixedly connected with a plurality of flow guide blocks (308); the flow guide block (308) is an isosceles triangle block.
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| CN110086294A (en) * | 2019-04-30 | 2019-08-02 | 南京理工自动化研究院有限公司 | A kind of novel driving motor of electric car |
| CN210927351U (en) * | 2019-10-10 | 2020-07-03 | 安徽省大创机电有限公司 | Large-scale driving motor with high-efficiency heat dissipation |
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| CN114374294A (en) * | 2021-06-22 | 2022-04-19 | 华为数字能源技术有限公司 | Power assembly and electric vehicle |
| CN114530990A (en) * | 2022-04-21 | 2022-05-24 | 佛山登奇伺服科技有限公司 | IPM heat dissipation motor |
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| CN110086294A (en) * | 2019-04-30 | 2019-08-02 | 南京理工自动化研究院有限公司 | A kind of novel driving motor of electric car |
| CN210927351U (en) * | 2019-10-10 | 2020-07-03 | 安徽省大创机电有限公司 | Large-scale driving motor with high-efficiency heat dissipation |
| CN211405768U (en) * | 2020-03-18 | 2020-09-01 | 福建大成电机集团有限公司 | Motor self-circulation cooling water pump system |
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