CN115347722B - High-stability permanent magnet motor with self-control type polynomial heat dissipation device - Google Patents

High-stability permanent magnet motor with self-control type polynomial heat dissipation device Download PDF

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Publication number
CN115347722B
CN115347722B CN202211264882.3A CN202211264882A CN115347722B CN 115347722 B CN115347722 B CN 115347722B CN 202211264882 A CN202211264882 A CN 202211264882A CN 115347722 B CN115347722 B CN 115347722B
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China
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heat dissipation
permanent magnet
lateral
guide
magnet motor
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CN115347722A (en
Inventor
陈虎威
钱伟
孙烨锋
赵勇
朱尧
马仲亮
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Jiangsu Aerospace Power Electric Co Ltd
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Jiangsu Aerospace Power Electric Co Ltd
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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
    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

The invention relates to the technical field of protection and heat dissipation of permanent magnet motors, in particular to a high-stability permanent magnet motor with a self-control type polynomial heat dissipation device. The high-stability permanent magnet motor with the self-control type polynomial heat dissipation device is provided with the lateral centrifugal housing internally provided with the multilayer joint control device on the outer side, and the structure of the heat dissipation protective cover plate can be controlled by utilizing the multilayer joint control device, so that the joint control mode is more diversified, and the adjustment operation is more convenient; the heat of the motor is quickly discharged by adopting a plurality of modes of passive heat dissipation, air heat dissipation and internal cooling oil heat dissipation, so that the heat dissipation capability of the permanent magnet motor in a high-load and high-temperature environment can be kept, and the stability and the safety are greatly improved.

Description

High-stability permanent magnet motor with self-control type polynomial heat dissipation device
Technical Field
The invention relates to the technical field of protection and heat dissipation of permanent magnet motors, in particular to a high-stability permanent magnet motor with a self-control type polynomial heat dissipation device.
Background
A permanent magnet motor is one of driving motors, which establishes a magnetic field by permanent magnets. The permanent magnet motor is widely applied to various portable electronic equipment or appliances, and has wide application in some high-precision products due to high stability and transmission efficiency.
The heat dissipation mode of the permanent magnet motor at present is divided into active heat dissipation and passive heat dissipation, wherein the structure of an external shell in the passive heat dissipation and the active heat dissipation is simple, the heat dissipation mode and the structure of the motor cannot be automatically changed according to the rotating speed of the motor, the problem that the durability of the motor is reduced under the condition of long-time high rotating speed is caused, and the traditional heat dissipation mechanism of the permanent magnet motor cannot be controlled in a linkage mode, so that the adjustment operation is also inconvenient.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, an improved high-stability permanent magnet motor with an automatic control type polynomial heat dissipation device is provided, and the problems that the durability of the motor is reduced under the condition of long-time high rotating speed due to the fact that the structure of the existing active heat dissipation mode and the passive heat dissipation mode of the permanent magnet motor is simple and the heat dissipation mode and the structure of the motor cannot be automatically changed according to the rotating speed of the motor, and the traditional permanent magnet motor heat dissipation mechanism cannot be controlled in a linkage mode, and therefore adjustment operation is inconvenient are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a high stability permanent-magnet machine with multinomial heat abstractor of automatic control formula, includes the permanent-magnet machine body, permanent-magnet machine body lateral surface on seted up annular assembly groove, the inside heat dissipation copper sheet through a body structure of annular assembly inslot is fixed with inside guide cylinder, the inside opening position that is located of annular assembly groove is equipped with heat dissipation protective cover plate through inside guide cylinder elasticity, permanent-magnet machine body lateral wall left side is located the peripheral fixed side direction centrifugation housing that is equipped with of drive shaft, the inside multilayer that is provided with of side direction centrifugation housing allies oneself with accuse device.
The heat dissipation copper sheet and the outer side face of the inner guide cylinder are provided with a first oil guide pipe, a second oil guide pipe and an external air guide pipe which are communicated into a whole, and the inner guide cylinder is internally provided with a lateral liquid inlet hole communicated with the first oil guide pipe and a lateral liquid return hole communicated with the second oil guide pipe.
The inside of the lateral centrifugal housing is divided into a left air diversion chamber and a right cooling oil diversion chamber by an internal clapboard.
The multilayer joint control device comprises a first centrifugal blade arranged in the left air guide chamber and a second centrifugal blade arranged in the right cooling oil guide chamber, and the first centrifugal blade and the second centrifugal blade are coaxially fixed on a driving shaft on the left side of the permanent magnet motor body.
And a lateral air inlet with a metal filter screen arranged inside is formed in the left side wall of the lateral centrifugal housing.
The lateral centrifugal housing outer side face is provided with an externally-connected oil return pipe which is of an integral structure and protrudes outwards corresponding to the position of the internal partition plate, and an inner side oil return hole communicated with the externally-connected oil return pipe is formed in the middle of the right side wall of the internal partition plate.
The lateral centrifugal housing is fixedly provided with an outer air guide pipe communicated with the inside of the external air guide pipe corresponding to the left air guide chamber, and the lateral centrifugal housing is fixedly provided with an outer cooling oil guide pipe communicated with the first oil guide pipe corresponding to the right cooling oil guide chamber.
The utility model discloses a heat dissipation protective cover plate, including inside guide cylinder, heat dissipation protective cover plate, inboard guide bar top coaxial fixed with top spacing head, the inboard guide bar outside is located and has cup jointed extrusion reset spring between inside spacing sealing ring and the top spacing head, elasticity assembly and inside guide cylinder matched with inboard guide bar on the inboard arcwall face of heat dissipation protective cover plate, inboard guide bar lateral surface is located the coaxial inboard sealed piston that has cup jointed in the inside spacing sealing ring outside, the inboard guide bar top coaxial fixed has top spacing head, the inboard guide bar outside is located and has cup jointed extrusion reset spring between inside spacing sealing ring and the top spacing head.
The heat dissipation protective cover plate is characterized in that an inner side movable mounting support with an integrated structure is arranged on the inner side arc-shaped surface of the heat dissipation protective cover plate and located on the inner side guide rod assembling end, and the inner side guide rod is inserted into the inner side movable mounting support through a side assembling shaft with the integrated structure on two sides and is elastically assembled with the heat dissipation protective cover plate.
An inclined air guide nozzle is arranged on the outer side surface of the external air guide tube.
The invention has the beneficial effects that:
(1) The high-stability permanent magnet motor with the self-control type polynomial heat dissipation device is provided with the lateral centrifugal housing internally provided with the multilayer joint control device on the outer side, and the structure of the heat dissipation protective cover plate can be controlled by utilizing the multilayer joint control device, so that the joint control mode is more diversified, and the adjustment operation is more convenient;
(2) The heat of the motor is quickly discharged by adopting a plurality of modes of passive heat dissipation, air heat dissipation and internal cooling oil heat dissipation, so that the heat dissipation capability of the permanent magnet motor under high load and high temperature environment can be kept, and the stability and the safety are greatly improved;
(3) The multilayer joint control device is arranged on a driving shaft on the left side of the permanent magnet motor body, and is driven in a synchronous operation mode, so that the internal pressure and the heat dissipation effect can be automatically changed according to the rotating speed of the permanent magnet motor body;
(4) By adopting the built-in layout design, the lateral impact resistance of the heat dissipation protective cover plate can be improved by utilizing the synchronous control of oil pressure and air pressure, and the safety protection performance is more excellent.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is an internal cross-sectional view of a side centrifuge housing in accordance with the present invention.
Fig. 3 is a schematic view of the structure of the fitting end of the inner guide cylinder according to the present invention.
Fig. 4 is an internal sectional view of the internal guide cylinder in the present invention.
In the figure: 1. the permanent magnet motor comprises a permanent magnet motor body, 2 parts of an annular assembly groove, 3 parts of a heat dissipation copper sheet, 4 parts of an internal guide cylinder, 5 parts of a heat dissipation protective cover plate, 6 parts of a lateral centrifugal housing, 7 parts of a first oil guide pipe, 8 parts of a second oil guide pipe, 9 parts of an external air guide pipe, 10 parts of a lateral liquid inlet hole, 11 parts of a lateral liquid return hole, 12 parts of an internal partition plate, 13 parts of a left air guide chamber, 14 parts of a right cooling oil guide chamber, 15 parts of a first centrifugal blade, 16 parts of a second centrifugal blade, 17 parts of a metal filter screen, 18 parts of an oil return pipe, 19 parts of an internal oil return hole, 20 parts of an external air guide pipe, 21 parts of an external cooling oil guide pipe, 22 parts of an internal limiting sealing ring, 23 parts of an internal guide rod, 24 parts of an internal sealing piston, 25 parts of a top limiting head, 26 parts of an extrusion reset spring, 27 parts of an internal movable mounting bracket, 28 parts of a lateral assembly shaft and 29 parts of an oblique air guide nozzle.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1, fig. 2, a high stability permanent-magnet machine with many item heat abstractor of automatic control formula that fig. 3 and fig. 4 show, including permanent-magnet machine body 1, annular assembly groove 2 has been seted up on permanent-magnet machine body 1 lateral surface, annular assembly groove 2 is inside to be fixed with inside guide cylinder 4 through the heat dissipation copper sheet 3 of a body structure, 2 inside being located the opening position of annular assembly groove is equipped with heat dissipation protective cover plate 5 through inside guide cylinder 4 elasticity, it is equipped with side direction centrifugation housing 6 to be located the peripheral fixed of drive shaft in permanent-magnet machine body 1 lateral wall left side, the inside multilayer allies oneself with accuse device that is provided with of side direction centrifugation housing 6.
In order to match with the telescopic control, the outer side surfaces of the heat dissipation copper sheet 3 and the inner guide cylinder 4 are provided with a first oil guide pipe 7, a second oil guide pipe 8 and an external air guide pipe 9 which are communicated into a whole, and the inner guide cylinder 4 is internally provided with a lateral liquid inlet hole 10 communicated with the first oil guide pipe 7 and a lateral liquid return hole 11 communicated with the second oil guide pipe 8.
In order to match with the partition adjustment, the interior of the lateral centrifugal housing 6 is partitioned into a left air diversion chamber 13 and a right cooling oil diversion chamber 14 by an internal partition plate 12. And a sealing structure design is adopted between the inner partition plate 12 and the driving shaft on the left side of the permanent magnet motor body 1, so that the airtightness between the left air diversion chamber 13 and the right cooling oil diversion chamber 14 is kept.
In order to cooperate with rotating centrifugal flow guiding, the multilayer joint control device comprises a first centrifugal blade 15 arranged inside the left air flow guiding chamber 13 and a second centrifugal blade 16 arranged inside the right cooling oil flow guiding chamber 14, and the first centrifugal blade 15 and the second centrifugal blade 16 are coaxially fixed on a driving shaft on the left side of the permanent magnet motor body 1.
In order to filter the side inlet air, a side inlet with a metal filter screen 17 mounted inside is formed in the left side wall of the side centrifugal housing 6.
In order to cooperate with the backflow of the cooling oil and achieve the purpose of circular cooling, the outer side surface of the lateral centrifugal housing 6 is provided with an externally-connected oil return pipe 18 which is of an integral structure and protrudes outwards and corresponds to the position of the internal partition plate 12, and the middle position of the right side wall of the internal partition plate 12 is provided with an inner side oil return hole 19 communicated with the externally-connected oil return pipe 18. The external connection oil return pipe 18 is communicated with the inside of the second oil guide pipe 8.
In order to match with the outer side flow guide, an outer side air flow guide pipe 20 communicated with the inside of the external air guide pipe 9 is fixedly assembled on the outer side surface of the lateral centrifugal housing 6 corresponding to the left air flow guide chamber 13, and an outer side cooling oil flow guide pipe 21 communicated with the first oil guide pipe 7 is fixedly assembled on the outer side surface of the lateral centrifugal housing 6 corresponding to the right cooling oil flow guide chamber 14.
In order to cooperate inside seal extrusion and inboard elasticity to reset and spacing, 4 medial surface lower extremes of inside guide cylinder have inside spacing sealing ring 22, elastic assembly and 4 matched with inboard guide bar 23 of inside guide cylinder on the 5 inboard arcwall faces of heat dissipation protective cover, inboard guide bar 23 lateral surface is located the coaxial inboard sealed piston 24 that has cup jointed in the inside spacing sealing ring 22 outside, the coaxial top spacing head 25 that is fixed with in inboard guide bar 23 top, the inboard guide bar 23 outside is located and has cup jointed extrusion reset spring 26 between inside spacing sealing ring 22 and the top spacing head 25.
The side wall of the end, close to the inner limiting sealing ring 22, of the inner sealing piston 24 is provided with a conical-structure flow guide surface, so that cooling oil introduced from the lateral liquid inlet hole 10 impacts the conical-structure flow guide surface to drive the inner sealing piston 24 to extend in the inner guide cylinder 4, and finally flows back to the inside of the right cooling oil flow guide cavity 14 from the inside of the lateral liquid return hole 11 communicated with the second oil guide pipe 8.
In order to match with the inner side movable assembly, a flow guide mechanism with a larger upward opening is formed after the heat dissipation protective cover plate 5 extends outwards, so that the upward separation of hot air can be accelerated, an inner side movable mounting support 27 with an integrated structure is arranged on the inner side guide rod 23 assembly end on the inner side arc-shaped surface of the heat dissipation protective cover plate 5, and the inner side guide rod 23 is inserted into the inner side movable mounting support 27 through a lateral assembly shaft 28 with an integrated structure on two sides to be elastically assembled with the heat dissipation protective cover plate 5.
The assembly end of the inner side guide rod 23 is provided with an elastic torsion spring, the heat dissipation protective cover plate 5 is controlled to be elastically assembled outside the inner side guide rod 23 through an assembly mode in the prior art, and different inclination angles are formed at different positions. The elasticity of the elastic torsion spring is smaller than the elastic pressing force that presses the return spring 26.
In order to cooperate with lateral exhaust, an inclined air guide nozzle 29 is arranged on the outer side surface of the external air guide tube 9. The heat dissipation protective cover plate 5 is supported by being pressed by discharging high-pressure gas from the inclined gas guide nozzle 29, and the air cooling heat dissipation performance is improved by blowing air to the surfaces of the heat dissipation copper sheets 3 and the internal guide cylinder 4.
The high-stability permanent magnet motor with the self-control type polynomial heat dissipation device is provided with the lateral centrifugal housing 6 internally provided with the multilayer integrated control device on the outer side, and the structure of the heat dissipation protective cover plate 5 can be controlled by utilizing the multilayer integrated control device, so that the integrated control mode is more diversified, and the adjustment operation is more convenient; the heat of the motor is quickly discharged by adopting a plurality of modes of passive heat dissipation, air heat dissipation and internal cooling oil heat dissipation, so that the heat dissipation capability of the permanent magnet motor under high load and high temperature environment can be kept, and the stability and the safety are greatly improved; the multi-layer joint control device is arranged on a driving shaft on the left side of the permanent magnet motor body 1, and is driven in a synchronous operation mode, so that the internal pressure and the heat dissipation effect can be automatically changed according to the rotating speed of the permanent magnet motor body 1; the built-in layout design is adopted, the lateral impact resistance of the radiating protective cover plate 5 can be improved by utilizing synchronous control of oil pressure and air pressure, and the safety protection performance is more excellent.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (7)

1. The utility model provides a high stability permanent-magnet machine with multinomial heat abstractor of automatic control formula, includes permanent-magnet machine body (1), characterized by: the lateral surface of the permanent magnet motor body (1) is provided with an annular assembly groove (2), an internal guide cylinder (4) is fixed in the annular assembly groove (2) through a radiating copper sheet (3) of an integrated structure, a radiating protective cover plate (5) is elastically assembled in the annular assembly groove (2) at an opening position, a lateral centrifugal housing (6) is fixedly assembled at the periphery of a driving shaft at the left side of the outer side wall of the permanent magnet motor body (1), a multilayer joint control device is arranged in the lateral centrifugal housing (6), a first oil guide pipe (7), a second oil guide pipe (8) and an external air guide pipe (9) which are of an integrated structure and communicated with each other are arranged on the outer lateral surfaces of the radiating copper sheet (3) and the internal guide cylinder (4), a lateral liquid return hole (10) communicated with the first oil guide pipe (7) and a lateral liquid return hole (11) communicated with the second oil guide pipe (8) are formed in the internal guide cylinder (4), the lateral centrifugal housing (6) is internally divided into a left air guide cavity (13) and a right air guide oil guide cavity (14) through an internal baffle (12), and the right air guide oil guide cavity (14) and a centrifugal guide blade (15) are arranged in the left air guide cavity, the first centrifugal blade (15) and the second centrifugal blade (16) are coaxially fixed on a driving shaft on the left side of the permanent magnet motor body (1).
2. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device of claim 1, wherein: and a lateral air inlet with a metal filter screen (17) arranged inside is formed in the left side wall of the lateral centrifugal housing (6).
3. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device of claim 1, wherein: the lateral centrifugal housing (6) is provided with an externally-connected oil return pipe (18) which is of an integral structure and protrudes outwards and corresponds to the position of the internal partition plate (12), and an internal oil return hole (19) communicated with the externally-connected oil return pipe (18) is formed in the middle of the right side wall of the internal partition plate (12).
4. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device as recited in claim 1, wherein: lateral centrifugal housing (6) lateral surface corresponds left air water conservancy diversion cavity (13) fixed position and is equipped with outside air honeycomb duct (20) that is linked together with external air duct (9) inside, lateral centrifugal housing (6) lateral surface corresponds right cooling oil water conservancy diversion cavity (14) fixed position and is equipped with outside cooling oil water conservancy diversion pipe (21) that are linked together with first oil pipe (7).
5. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device as recited in claim 1, wherein: inside guide cylinder (4) medial surface lower extreme has inside spacing sealing ring (22), elastic assembly and inside guide cylinder (4) matched with inboard guide bar (23) on the inboard arcwall face of heat dissipation protective cover board (5), inboard guide bar (23) lateral surface is located inside spacing sealing ring (22) outside coaxial cup joint inboard sealed piston (24), inboard guide bar (23) top coaxial fixation has top spacing head (25), extrusion reset spring (26) have been cup jointed to inboard guide bar (23) outside between being located inside spacing sealing ring (22) and top spacing head (25).
6. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device of claim 5, wherein: the heat dissipation protective cover plate is characterized in that an inner side movable mounting support (27) with an integrated structure is arranged on the inner side arc-shaped surface of the heat dissipation protective cover plate (5) and located on the assembly end of the inner side guide rod (23), and the inner side guide rod (23) is inserted into the inner side movable mounting support (27) through a lateral assembly shaft (28) with an integrated structure on two sides and is elastically assembled with the heat dissipation protective cover plate (5).
7. The high-stability permanent magnet motor with the self-controlled polynomial heat dissipation device of claim 1, wherein: an inclined air guide nozzle (29) is arranged on the outer side surface of the external air guide tube (9).
CN202211264882.3A 2022-10-17 2022-10-17 High-stability permanent magnet motor with self-control type polynomial heat dissipation device Active CN115347722B (en)

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CN202211264882.3A CN115347722B (en) 2022-10-17 2022-10-17 High-stability permanent magnet motor with self-control type polynomial heat dissipation device

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CN115347722B true CN115347722B (en) 2023-04-14

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Publication number Priority date Publication date Assignee Title
US10281218B2 (en) * 2013-06-26 2019-05-07 Tai-Her Yang Heat-dissipating structure having suspended external tube and internally recycling heat transfer fluid and application apparatus
CN114400823B (en) * 2021-12-17 2022-10-14 江苏航天动力机电有限公司 Permanent magnet motor with wind-water cooling switching adjusting housing
CN114243993B (en) * 2021-12-24 2022-12-23 江苏航天动力机电有限公司 Permanent magnet motor with hydraulic overturning type active heat dissipation mechanism

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