CN118282132B - A high-efficiency heat dissipation treatment device for permanent magnet synchronous motor - Google Patents

A high-efficiency heat dissipation treatment device for permanent magnet synchronous motor Download PDF

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Publication number
CN118282132B
CN118282132B CN202410696327.0A CN202410696327A CN118282132B CN 118282132 B CN118282132 B CN 118282132B CN 202410696327 A CN202410696327 A CN 202410696327A CN 118282132 B CN118282132 B CN 118282132B
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CN
China
Prior art keywords
heat dissipation
permanent magnet
magnet synchronous
synchronous motor
port
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CN202410696327.0A
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CN118282132A (en
Inventor
李秋生
吉桂宝
周兴强
宋显成
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Jiangsu Weltell Motor Co ltd
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Jiangsu Weltell Motor Co ltd
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Priority to CN202410696327.0A priority Critical patent/CN118282132B/en
Publication of CN118282132A publication Critical patent/CN118282132A/en
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Publication of CN118282132B publication Critical patent/CN118282132B/en
Priority to PCT/CN2025/091391 priority patent/WO2025246755A1/en
Priority to ZA2025/03709A priority patent/ZA202503709B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H02K9/193Arrangements 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203Casings 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements 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)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention relates to the technical field related to permanent magnet synchronous motors, and discloses a high-efficiency heat dissipation processing device for a permanent magnet synchronous motor, which comprises the following components: the device comprises a heat radiation protection mechanism and a permanent magnet synchronous motor, wherein the heat radiation protection mechanism comprises a heat radiation treatment shell, a shell top cover and a shell base, the shell top cover is fixedly arranged at the top of the heat radiation treatment shell, the shell base is fixedly arranged at the bottom of the heat radiation treatment shell, and the heat radiation treatment shell, the shell top cover and the shell base jointly form a cavity for embedding and fixing the permanent magnet synchronous motor; the high-efficiency heat dissipation treatment device for the permanent magnet synchronous motor has the high-efficiency airflow heat dissipation function and the liquid circulation type heat conduction heat dissipation function, achieves the circulation heat dissipation effect, greatly improves the airflow circulation efficiency by matching with the airflow heat dissipation effect through the arrangement of gaps, further achieves the effect of improving the heat dissipation efficiency, and can achieve the effect of improving the liquid heat dissipation efficiency, thereby improving the liquid circulation cooling efficiency.

Description

High-efficient heat dissipation processing apparatus is used to PMSM
Technical Field
The invention belongs to the technical field related to permanent magnet synchronous motors, and particularly relates to a high-efficiency heat dissipation treatment device for a permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor has the advantages of simple structure, small volume, high efficiency, reliable operation, wide speed regulation range, good dynamic and static characteristics and the like, and is widely applied to alternating current transmission systems. However, when the permanent magnet synchronous motor works, a large amount of heat is generated, so that the heat dissipation is inconvenient, and the service life of the motor is influenced.
Therefore, the heat dissipation problem of the permanent magnet synchronous motor is a key to influence the performance and the working stability of the permanent magnet synchronous motor, and the heat dissipation structure for the permanent magnet motor in the prior art has the following defects:
in the prior art, a heat dissipation structure or equipment for a permanent magnet motor generally adopts heat exchange materials or air flow to realize heat dissipation on the surface of the permanent magnet motor, but the actual heat dissipation effect is general, and the heating problem of the permanent magnet motor cannot be effectively solved;
In the prior art, high-integration processing equipment for cooling a permanent magnet motor is lacking, a large amount of heat is generated in the operation process of the permanent magnet motor, so that the temperature of a machine body is gradually increased, a conventional cooling means of the conventional permanent magnet motor usually adopts a fan air inlet mode to cool main components, and simultaneously is matched with a temperature sensor and other control structures to carry out safety monitoring, and the cooling and heat dissipation effects on the temperature around a piston only need to be improved in an air cooling mode, so that the problems that the efficiency and the normal operation of the permanent magnet motor are influenced by cooling efficiency factors easily occur in the operation process;
Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide a high-efficiency heat dissipation device for a permanent magnet synchronous motor, which is more practical.
Disclosure of Invention
The invention provides a high-efficiency heat dissipation processing device for a permanent magnet synchronous motor, which is used for overcoming the defects in the prior art.
The invention discloses a high-efficiency heat dissipation treatment device for a permanent magnet synchronous motor, which is realized by the following specific technical means:
A high-efficiency heat dissipation processing device for a permanent magnet synchronous motor comprises: the heat radiation protection mechanism comprises a heat radiation treatment shell, a shell top cover and a shell base, wherein the shell top cover is fixedly arranged at the top of the heat radiation treatment shell, the shell base is fixedly arranged at the bottom of the heat radiation treatment shell, the shell top cover and the shell base jointly form a cavity for embedding and fixing the permanent magnet synchronous motor, an auxiliary heat radiation mechanism is embedded and arranged on the inner wall of the heat radiation treatment shell, the permanent magnet synchronous motor is fixedly arranged on the inner side of the auxiliary heat radiation mechanism, a heat radiation laminating sheet is fixedly arranged on the annular array of the outer wall of the permanent magnet synchronous motor, a liquid flow cavity capable of circulating cooling liquid for cooling is arranged in the heat radiation laminating sheet, a heat conduction metal arc sheet is arranged on the inner side wall of the heat radiation laminating sheet and is laminated with the outer wall of the permanent magnet synchronous motor, the auxiliary heat dissipation mechanism comprises an auxiliary heat dissipation cylinder, a top end cover is fixedly arranged at the top of the auxiliary heat dissipation cylinder, a clearance space is arranged between the auxiliary heat dissipation cylinder and the permanent magnet synchronous motor, an installation embedded groove is arranged on the inner wall of a heat dissipation processing machine shell, the auxiliary heat dissipation cylinder is fixedly arranged in the installation embedded groove, a heat dissipation air cavity is arranged in the auxiliary heat dissipation cylinder, an air inlet port is arranged in a heat dissipation air cavity array, a communication cavity ring is arranged at the top of the heat dissipation air cavity in a communicating manner, the communication cavity ring is fixedly arranged at the lower side of the top end cover, a heat dissipation ring groove is arranged in the top end cover and is communicated with the communication cavity ring, an output nozzle is arranged at the upper side of the top end cover in an array manner, the output nozzle is communicated with the heat dissipation ring groove, an air outlet of the output nozzle faces the surface of the top end cover, the air inlet port is arranged at a height lower than the bottom of the permanent magnet synchronous motor.
Further technical scheme, heat dissipation wind intracavity wall array is equipped with one-way feed liquor valve port, heat dissipation wind intracavity fixed mounting has the input annular plate, input annular plate array is equipped with the butt joint intercommunication mouth, the butt joint intercommunication mouth with corresponding one-way feed liquor valve port intercommunication, heat dissipation wind intracavity downside inner wall array is equipped with one-way play valve port, heat dissipation wind intracavity fixed mounting has the output annular plate, output annular plate also array is equipped with the butt joint intercommunication mouth and with corresponding one-way play valve port intercommunication.
According to a further technical scheme, the outer wall of the heat dissipation attaching plate is provided with circulating ports in an up-down symmetrical mode, the circulating ports on the upper side are communicated with the corresponding unidirectional liquid inlet valve ports, and the circulating ports on the lower side are communicated with the corresponding unidirectional liquid outlet valve ports.
According to a further technical scheme, a heat dissipation function box is fixedly arranged at the top of the shell top cover, a liquid circulation box is arranged in the heat dissipation function box and is provided with a cooling liquid, a pump body and a liquid transmission pipeline, an input butt joint port and a circulation butt joint port which are communicated with the liquid circulation box are arranged on the side of the heat dissipation function box, and a temperature control sensing module, a micro battery module and a control circuit board are embedded and fixed in the heat dissipation function box.
According to a further technical scheme, an air flow exhausting channel is further arranged in the heat radiating functional box, the bottom of the air flow exhausting channel is communicated with the inside of the heat radiating processor shell, an air flow port is arranged on the front side of the heat radiating functional box in an array mode, the air flow port is communicated with the air flow exhausting channel, and an exhaust fan is arranged in the air flow exhausting channel.
According to a further technical scheme, an input port is fixedly arranged on the outer wall of the auxiliary radiating cylinder and is communicated with the input annular plate, an output port is fixedly arranged on the outer wall of the auxiliary radiating cylinder and is communicated with the output annular plate.
According to a further technical scheme, a cooling input pipe and a cooling return pipe are arranged on the outer wall of the heat dissipation treatment machine shell, an input port is in butt joint communication with the cooling input pipe, an output port is in communication with the cooling return pipe, the cooling input pipe is in communication with the input butt joint port through a guide pipe, and the cooling return pipe is in communication with the circulating butt joint port through the guide pipe.
According to a further technical scheme, a plurality of groups of threaded counter bores are formed in annular arrays on the top and bottom end faces of the heat dissipation processing machine shell, threaded through holes are formed in the shell top cover and the shell base array, and the shell top cover and the shell base are fixedly mounted on the heat dissipation processing machine shell through screw holes and bolt structures.
Further technical scheme, the casing top cap with the casing base is close to one side terminal surface each other and all is equipped with the support butt joint seat, is located the casing base top the support butt joint seat center is equipped with the through-hole, PMSM passes through two sets of support butt joint seat clamp set up in the heat dissipation processing casing, the transmission shaft of PMSM bottom passes and is located the downside the through-hole of support butt joint seat.
Further technical scheme, the heat dissipation treatment casing outer wall symmetry is equipped with the stiff end seat, stiff end seat surface is equipped with recess and screw structure and is used for the installation location.
Compared with the prior art, the invention has the following beneficial effects:
The high-efficiency heat dissipation treatment device for the permanent magnet synchronous motor has a higher-efficiency air flow heat dissipation treatment function, an air flow heat dissipation structure is arranged in a heat dissipation function box and matched with the arrangement of the exhaust fan, in the working process of the permanent magnet synchronous motor, the exhaust fan is driven to rotate at a high speed, so that external air flows into a heat dissipation treatment shell to be input, the internal permanent magnet synchronous motor is subjected to blowing heat dissipation, the problem of internal heat accumulation is avoided, meanwhile, through an air inlet port at the bottom of an auxiliary heat dissipation cylinder and an internal heat dissipation air cavity, the air flow can be continuously transmitted upwards through the air inlet port in the bottom flowing process, and matched with a blowing through groove to drive the heat dissipation of the outer wall of the permanent magnet synchronous motor, the high-efficiency air flow heat dissipation effect of the permanent magnet synchronous motor is realized, and the top of the auxiliary heat dissipation cylinder is communicated with each output nozzle at the top of the top end cover through a communication cavity ring, so that the air flow is finally blown to the top end cover through the output nozzle and then is dissipated upwards through an air flow dissipation channel, the high-efficiency of the permanent magnet synchronous motor is improved, and the heat dissipation effect of the permanent magnet synchronous motor is greatly improved.
The efficient heat dissipation treatment device for the permanent magnet synchronous motor has the efficient air flow heat dissipation function, the liquid circulation type heat conduction heat dissipation function of the attaching surface is also arranged, the liquid circulation tank and the attaching liquid circulation heat dissipation structure are arranged, the transmission pump body in the liquid circulation tank is started, the transmission is carried out through the cooling input pipe, the cooling liquid is supplied to the input ring plate, the input ring plate is transmitted to the liquid flowing cavity through the unidirectional liquid inlet valve port and flows back to the liquid circulation tank through the unidirectional liquid outlet valve port and the butt joint communication port through the output port and the cooling return pipe for circulation, the heat conduction metal arc sheet is matched with the outer wall of the permanent magnet synchronous motor through the liquid flowing circulation, the efficient heat transfer effect on the outer wall of the permanent magnet synchronous motor is realized, and therefore the heat dissipation efficiency of the permanent magnet synchronous motor is further improved, the problem that heat is difficult to dissipate due to high-frequency operation of the permanent magnet synchronous motor is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic side elevational view of the present invention;
fig. 4 is a schematic view of the installation state structure of the permanent magnet synchronous motor in the present invention;
FIG. 5 is a front view of the heat dissipation mechanism of the present invention;
FIG. 6 is a schematic diagram of a side view of a heat dissipation mechanism in a disassembled state;
FIG. 7 is a schematic cross-sectional view of a heat dissipating processor enclosure of the present invention;
FIG. 8 is a schematic cross-sectional view of an auxiliary heat dissipation mechanism according to the present invention;
fig. 9 is a schematic bottom view of the installation state of the auxiliary heat dissipation mechanism in the present invention.
Reference numerals illustrate:
The heat radiation protection mechanism 10, the heat radiation treatment housing 11, the housing top cover 12, the housing base 13, the fixed end base 14, the heat radiation function box 15, the air flow port 16, the support butt joint base 21, the installation embedding groove 25, the heat radiation attaching plate 34, the permanent magnet synchronous motor 35, the liquid flow cavity 37, the heat conduction metal arc piece 38, the auxiliary heat radiation mechanism 40, the auxiliary heat radiation barrel 41, the air inlet port 42, the heat radiation air cavity 43, the one-way liquid inlet valve port 45, the one-way liquid outlet valve port 46, the input ring plate 47, the input port 48, the output ring plate 49, the output port 50, the top end cover 51, the heat radiation ring groove 54, the communication cavity ring 55, the butt joint communication port 60, the circulation port 61, the output nozzle 64, the clearance space 65, the cooling input pipe 68 and the cooling return pipe 70.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 9:
The invention provides a high-efficiency heat dissipation processing device for a permanent magnet synchronous motor.
Referring to fig. 1 to 9, comprising: the heat radiation protection mechanism 10 and the permanent magnet synchronous motor 35, the heat radiation protection mechanism 10 comprises a heat radiation treatment shell 11, a shell top cover 12 and a shell base 13, the shell top cover 12 is fixedly arranged at the top of the heat radiation treatment shell 11, the shell base 13 is fixedly arranged at the bottom of the heat radiation treatment shell 11, the shell top cover 12 and the shell base 13 jointly form a cavity for embedding and fixing the permanent magnet synchronous motor 35, an auxiliary heat radiation mechanism 40 is embedded and arranged on the inner wall of the heat radiation treatment shell 11, the permanent magnet synchronous motor 35 is fixedly arranged on the inner side of the auxiliary heat radiation mechanism 40, a heat radiation attaching plate 34 is arranged on the outer wall of the permanent magnet synchronous motor 35 through annular array screws, a liquid flow cavity 37 capable of circulating cooling liquid for cooling is arranged in the heat radiation attaching plate 34, the inside wall of the heat dissipation laminating piece 34 is provided with a heat conduction metal arc piece 38, the heat conduction metal arc piece 38 is laminated with the outer wall of the permanent magnet synchronous motor 35, the auxiliary heat dissipation mechanism 40 comprises an auxiliary heat dissipation barrel 41, a clearance space 65 is arranged between the auxiliary heat dissipation barrel 41 and the permanent magnet synchronous motor 35, the inner wall of the heat dissipation processing shell 11 is provided with a mounting embedded groove 25, the auxiliary heat dissipation barrel 41 is fixedly arranged in the mounting embedded groove 25, a heat dissipation air cavity 43 is arranged in the auxiliary heat dissipation barrel 41, an air inlet port 42 is arranged in the heat dissipation air cavity 43, a communication cavity ring 55 is arranged at the top of the heat dissipation air cavity 43 in a communicating manner, the communication cavity ring 55 is fixedly arranged at the lower side of the top end cover 51, a heat dissipation ring groove 54 is arranged in the top end cover 51 and is communicated with the communication cavity ring 55, an output spray head 64 is arranged at the upper side of the top end cover 51 in an array, the output spray head 64 is communicated with the heat dissipation ring groove 54, and the air outlet of the output spray head 64 faces the surface of the top end cover 51.
Preferably, the air inlet 42 is disposed at a height lower than the bottom of the permanent magnet synchronous motor 35.
Preferably, the inner wall array of the heat dissipation air cavity 43 is provided with a unidirectional liquid inlet valve port 45, the heat dissipation air cavity 43 is internally and fixedly provided with an input annular plate 47, the input annular plate 47 array is provided with a butt joint communication port 60, the butt joint communication port 60 is communicated with the corresponding unidirectional liquid inlet valve port 45, the inner wall array of the lower side of the heat dissipation air cavity 43 is provided with a unidirectional liquid outlet valve port 46, the heat dissipation air cavity 43 is internally and fixedly provided with an output annular plate 49, and the output annular plate 49 is also provided with a butt joint communication port 60 in an array and communicated with the corresponding unidirectional liquid outlet valve port 46.
Preferably, the outer wall of the heat dissipation lamination sheet 34 is provided with a circulation port 61 in an up-down symmetry manner, the circulation port 61 on the upper side is communicated with the corresponding unidirectional liquid inlet valve port 45, and the circulation port 61 on the lower side is communicated with the corresponding unidirectional liquid outlet valve port 46.
Preferably, the top of the casing top cover 12 is fixedly provided with a heat dissipation function box 15, the heat dissipation function box 15 is internally provided with a liquid circulation box and is provided with a cooling liquid, a pump body and a liquid transmission pipeline, the side of the heat dissipation function box 15 is provided with an input butt joint port and a circulation butt joint port which are communicated with the liquid circulation box, and the heat dissipation function box 15 is internally embedded and fixed with a temperature control sensing module, a micro battery module and a control circuit board.
Preferably, an air flow exhausting channel is further provided in the heat dissipating functional box 15, the bottom of the air flow exhausting channel is communicated with the heat dissipating processing machine shell 11, an air flow port 16 is arranged on the front side of the heat dissipating functional box 15 in an array, the air flow port 16 is communicated with the air flow exhausting channel, and an exhaust fan is provided in the air flow exhausting channel.
Preferably, the outer wall of the auxiliary heat dissipation cylinder 41 is fixedly provided with an input port 48, the input port 48 is communicated with the input annular plate 47, the outer wall of the auxiliary heat dissipation cylinder 41 is fixedly provided with an output port 50, and the output port 50 is communicated with the output annular plate 49.
Preferably, the outer wall of the heat dissipation processing casing 11 is provided with a cooling input pipe 68 and a cooling return pipe 70, the input port 48 is in butt joint communication with the cooling input pipe 68, the output port 50 is in communication with the cooling return pipe 70, the cooling input pipe 68 is in communication with the input butt joint port through a conduit, and the cooling return pipe 70 is in communication with the circulating butt joint port through a conduit.
Preferably, a plurality of groups of threaded counter bores are formed in the annular arrays on the top and bottom end surfaces of the heat dissipation processing machine shell 11, threaded through holes are formed in the machine shell top cover 12 and the machine shell base 13 in arrays, and the machine shell top cover 12 and the machine shell base 13 are fixedly installed on the heat dissipation processing machine shell 11 through screw holes and bolt structures.
Preferably, the end surfaces of the top cover 12 and the base 13 close to one another are respectively provided with a supporting butt joint seat 21, a through hole is arranged in the center of the supporting butt joint seat 21 and positioned at the top of the base 13, the permanent magnet synchronous motor 35 is clamped in the heat dissipation processing shell 11 through two groups of supporting butt joint seats 21, and a transmission shaft at the bottom of the permanent magnet synchronous motor 35 passes through the through hole of the supporting butt joint seat 21 and positioned at the lower side.
Preferably, the outer wall of the heat dissipation processing casing 11 is symmetrically provided with a fixed end seat 14, and the surface of the fixed end seat 14 is provided with a groove and a screw hole structure for installation and positioning.
The specific working steps of the invention are as follows:
The high-efficiency heat dissipation treatment device for the permanent magnet synchronous motor has a higher-efficiency air flow heat dissipation treatment function, an air flow heat dissipation structure is arranged in the heat dissipation function box 15 and matched with the arrangement of the exhaust fan, the exhaust fan is driven to rotate at a high speed in the working process of the permanent magnet synchronous motor 35, so that external air flow is input into the heat dissipation treatment shell 11, the internal permanent magnet synchronous motor 35 is subjected to blowing heat dissipation, the problem of internal heat accumulation is avoided, meanwhile, the air flow can be continuously transmitted upwards through the air inlet port 42 in the bottom flowing process through the air inlet port 42 and matched with the blowing through groove 44 to drive the heat dissipation of the outer wall of the permanent magnet synchronous motor 35, the high-efficiency air flow heat dissipation effect of the permanent magnet synchronous motor 35 is realized, the top of the auxiliary heat dissipation cylinder 41 is communicated with each output spray nozzle 64 at the top of the top end cover 51 through the communication cavity ring 55, the air flow is finally blown to the top end cover 51 through the output spray nozzle 64, and then the air flow dissipation channel is upwards dissipated, the high-efficiency of the heat dissipation effect of the permanent magnet synchronous motor 35 is realized, and the cooling effect of the cooling machine body is greatly improved.
The high-efficiency heat dissipation treatment device for the permanent magnet synchronous motor has the high-efficiency air flow heat dissipation function, meanwhile, the liquid circulation type heat conduction heat dissipation function of the attaching surface is also provided, through the arrangement of the liquid circulation tank and the attaching liquid circulation heat dissipation structure, the transmission pump body in the liquid circulation tank is started, the transmission is carried out through the cooling input pipe 68, the cooling liquid is supplied to the input annular plate 47, the input annular plate 47 is transmitted to the liquid flow cavity 37 through the unidirectional liquid inlet valve port 45, the unidirectional liquid outlet valve port 46 and the butt joint communication port 60 are reflowed to the liquid circulation tank through the output port 50 and the cooling return pipe 70 for circulation, the heat transfer effect is realized on the outer wall of the permanent magnet synchronous motor 35 through the liquid flow circulation matching heat conduction metal arc piece 38, the heat dissipation efficiency of the permanent magnet synchronous motor 35 is further improved, the problem that the heat is difficult to dissipate due to the high-frequency operation of the permanent magnet synchronous motor 35 is avoided, meanwhile, through the arrangement of the heat dissipation attaching piece 34, the liquid circulation effect is realized, the structure is adopted, a clearance space 65 exists between the auxiliary heat cylinder 41 and the permanent magnet synchronous motor 35, the heat dissipation plate is greatly improved through the arrangement of the clearance matching air flow, the heat dissipation effect is greatly improved, the heat dissipation efficiency is further improved, and the heat dissipation effect is realized through the arrangement of the heat dissipation plate 43 is further, and the heat dissipation effect is further is realized, and the heat dissipation effect is further, and the heat dissipation efficiency is achieved.
The embodiments of the invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a high-efficient heat dissipation processing apparatus for PMSM, includes heat dissipation protection mechanism, PMSM, its characterized in that, heat dissipation protection mechanism includes heat dissipation processing casing, casing top cap, casing base, casing top cap fixed mounting in heat dissipation processing casing top, casing base fixed mounting in heat dissipation processing casing bottom, heat dissipation processing casing, casing top cap and the casing base are constituteed jointly and are used for inlaying fixedly PMSM's cavity, heat dissipation processing casing inner wall embedment installs auxiliary heat dissipation mechanism, auxiliary heat dissipation mechanism inboard fixed mounting has PMSM, PMSM outer wall annular array fixed mounting has the heat dissipation laminating piece, be equipped with the liquid flow chamber that can circulate the coolant liquid and cool down in the heat dissipation laminating piece, the heat dissipation laminating piece inside wall is equipped with heat conduction metal arc piece, the heat conduction metal arc piece laminating the PMSM outer wall, auxiliary heat dissipation mechanism includes auxiliary heat dissipation section of thick bamboo, auxiliary heat dissipation section of thick bamboo top fixed mounting is equipped with top end cover, be equipped with clearance space between auxiliary heat dissipation section of thick bamboo and the PMSM, heat dissipation processing casing inner wall is equipped with the heat dissipation processing casing inner wall embedment installs auxiliary heat dissipation mechanism, auxiliary heat dissipation mechanism inner wall embedment has auxiliary heat dissipation mechanism, auxiliary heat dissipation mechanism inner side wall side is equipped with the annular groove, the annular groove is equipped with the annular groove, the output is equipped with the annular groove is connected with the top is connected with, the output air-inlet air-out side annular groove, the annular groove is equipped with the top is connected with the output air-out side of the air-out side, the air-out side is connected with the air-out side is equipped with the air-cooling down in the cavity, the air outlet of the output spray head faces to the surface of the top end cover, and the air inlet port is arranged at a height lower than the bottom of the permanent magnet synchronous motor.
2. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 1, wherein: the heat dissipation wind chamber inner wall array is equipped with one-way feed liquor valve port, heat dissipation wind intracavity fixed mounting has the input annular plate, input annular plate array is equipped with the butt joint intercommunication mouth, the butt joint intercommunication mouth with corresponding one-way feed liquor valve port intercommunication, heat dissipation wind chamber downside inner wall array is equipped with one-way play valve port, heat dissipation wind intracavity fixed mounting has the output annular plate, output annular plate also array is equipped with the butt joint intercommunication mouth and with corresponding one-way play valve port intercommunication.
3. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 2, wherein: the heat dissipation laminating piece outer wall upper and lower symmetry is equipped with the circulation port, the upside the circulation port with corresponding one-way inlet valve port intercommunication, the downside the circulation port with corresponding one-way outlet valve port intercommunication.
4. A high-efficiency heat dissipation processing device for a permanent magnet synchronous motor according to claim 3, wherein: the heat dissipation device comprises a shell top cover, and is characterized in that a heat dissipation function box is fixedly arranged at the top of the shell top cover, a liquid circulation box is arranged in the heat dissipation function box and is provided with a cooling liquid, a pump body and a liquid transmission pipeline, an input butt joint port and a circulation butt joint port which are communicated with the liquid circulation box are arranged on the side of the heat dissipation function box, and a temperature control sensing module, a micro battery module and a control circuit board are embedded and fixed in the heat dissipation function box.
5. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 4, wherein: the heat dissipation function box is characterized in that an air flow dissipation channel is further arranged in the heat dissipation function box, the bottom of the air flow dissipation channel is communicated with the inside of the heat dissipation treatment machine shell, an air flow port is arranged on the front side of the heat dissipation function box in an array mode, the air flow port is communicated with the air flow dissipation channel, and an exhaust fan is arranged in the air flow dissipation channel.
6. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 5, wherein: the auxiliary heat dissipation cylinder is characterized in that an input port is fixedly arranged on the outer wall of the auxiliary heat dissipation cylinder and is communicated with the input annular plate, an output port is fixedly arranged on the outer wall of the auxiliary heat dissipation cylinder and is communicated with the output annular plate.
7. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 6, wherein: the heat dissipation treatment machine shell outer wall is equipped with cooling input pipe, cooling back flow, the input port with cooling input pipe butt joint intercommunication, the output port with cooling back flow intercommunication, cooling input pipe with the input butt joint port passes through the pipe intercommunication, cooling back flow with the circulation butt joint port passes through the pipe intercommunication.
8. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 1, wherein: the annular arrays of the top and bottom end surfaces of the heat dissipation treatment machine shell are provided with a plurality of groups of threaded counter bores, the machine shell top cover and the machine shell base are provided with threaded through holes, and the machine shell top cover and the machine shell base are fixedly arranged on the heat dissipation treatment machine shell through screw holes and bolt structures.
9. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 1, wherein: the shell top cover and the shell base are close to one side end face of each other and are all provided with a supporting butt joint seat, the center of the supporting butt joint seat which is positioned at the top of the shell base is provided with a through hole, the permanent magnet synchronous motor is clamped and arranged in the heat dissipation treatment shell through two groups of supporting butt joint seats, and a transmission shaft at the bottom of the permanent magnet synchronous motor penetrates through the through hole which is positioned at the lower side of the supporting butt joint seat.
10. The efficient heat dissipation processing device for a permanent magnet synchronous motor according to claim 1, wherein: the outer wall of the heat dissipation treatment machine shell is symmetrically provided with a fixed end seat, and the surface of the fixed end seat is provided with a groove and a screw hole structure for installation and positioning.
CN202410696327.0A 2024-05-31 2024-05-31 A high-efficiency heat dissipation treatment device for permanent magnet synchronous motor Active CN118282132B (en)

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PCT/CN2025/091391 WO2025246755A1 (en) 2024-05-31 2025-04-27 High-efficiency heat dissipation processing device for permanent-magnet synchronous motor
ZA2025/03709A ZA202503709B (en) 2024-05-31 2025-04-30 High-efficiency heat dissipation processing device for permanent magnet synchronous motors

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CN218526174U (en) * 2022-08-18 2023-02-24 无锡川木智能装备有限公司 Permanent magnet synchronous motor

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CN220527820U (en) * 2023-08-11 2024-02-23 创远亿德(天津)集团有限公司 High-efficiency permanent magnet synchronous motor
CN118282132B (en) * 2024-05-31 2024-09-03 江苏微特利电机股份有限公司 A high-efficiency heat dissipation treatment device for permanent magnet synchronous motor

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CN209642502U (en) * 2019-05-21 2019-11-15 成都皮克电源有限公司 A kind of permanent magnet generator of built-in circulation cooling mechanism
CN218526174U (en) * 2022-08-18 2023-02-24 无锡川木智能装备有限公司 Permanent magnet synchronous motor

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