CN207677529U - A kind of inner rotor body of permanent magnet motor with cast copper radiator structure - Google Patents
A kind of inner rotor body of permanent magnet motor with cast copper radiator structure Download PDFInfo
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- CN207677529U CN207677529U CN201721649013.7U CN201721649013U CN207677529U CN 207677529 U CN207677529 U CN 207677529U CN 201721649013 U CN201721649013 U CN 201721649013U CN 207677529 U CN207677529 U CN 207677529U
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- heat conduction
- rotor
- radiator structure
- conduction ring
- permanent magnet
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Abstract
The utility model discloses a kind of inner rotor body of permanent magnet motor with cast copper radiator structure.The internal rotor body includes rotor pack ontology and radiator structure, rotor pack ontology includes built-in permanent magnetic body magnetic sheet and yoke, thermal hole is distributed in yoke, rotor pack ontology is provided with axis hole, axis hole periphery is provided with lightening hole, radiator structure includes main shaft and rotor end plates, axis hole is inserted into main shaft one end, the other end is fixed with rotor end plates, rotor end plates are provided with heat conduction item towards rotor pack ontology side, rotor end plates are provided with radiator shutter far from rotor pack ontology side, radiator shutter takes away heat with motor rotation, rotor end plates surface is evenly equipped with ventilation hole, radiator structure is molded with rotor pack ontology one piece die casting copper.The utility model is exported internal heat by heat conduction item, takes away heat by radiator shutter rotation, the molding of one piece die casting copper has splendid thermal conduction characteristic, while entire production installation is very convenient, and process is simple.
Description
Technical field
The utility model is related to electric machine radiator technical fields, and in particular to a kind of permanent magnetism with cast copper radiator structure
Motor internal rotor body.
Background technology
With the development of permanent-magnet material and power electronic technique, the application of magneto is very extensive.It is existing high-power
The internal rotor body of internal rotor permanent-magnetic motor can not radiate, and as a result cause in permanent magnet machine rotor body under magnet demagnetization, electric efficiency
The problems such as drop, lost of life.Therefore, it is necessary to it is a kind of inner rotor body of permanent magnet motor can be worked when dissipating of shedding of the heat that generates
Heat structure.
Application No. is the Chinese invention patents of CN201110366813.9 to disclose a kind of inner rotor body of permanent magnet motor heat dissipation
Structure.The radiator structure includes main shaft and the internal rotor body being connected with front-end of spindle, and internal rotor body is by the permanent magnetism that is connected with each other
Body and yoke are constituted, and multiple thermal holes are distributed in yoke, and thermal hole is interior inserted with heat conduction proximate matter.The outer surface of main shaft is equipped with
Multiple keyways being in axial direction evenly spaced on, keyway have been embedded in heat conduction proximate matter, and heat conduction is injected in one end of heat conduction proximate matter
It is connected in hole and with heat conduction proximate matter, the external end of heat conduction motor is provided with metallic impeller wind by heat conduction proximate matter along main shaft
Fan.
The radiator structure can effectively disperse heat in permanent magnet, but actual fabrication magneto radiator structure again
When, due to needing piece insertion thermal hole of heat conduction proximate matter, another root root bead connects, and process is cumbersome, and cost is higher, and
And efficiency is very low.
Utility model content
The purpose of this utility model is to provide a kind of inner rotor body of permanent magnet motor with cast copper radiator structure, this interior turn
Daughter manufacturing procedure is simple, assembly is convenient, and can reach good heat dissipation effect.
To achieve the goals above, the technical solution of the utility model is：
A kind of inner rotor body of permanent magnet motor with cast copper radiator structure, including rotor pack and radiator structure, feature
It is：The rotor pack includes equally distributed built-in permanent magnetic body magnetic sheet and yoke, and thermal hole is distributed in the yoke,
The rotor pack is provided with axis hole, and the axis hole surrounding is provided with lightening hole, and the radiator structure includes main shaft and heat conduction ring,
Axis hole is inserted into described main shaft one end, and the other end connects fixation with heat conduction ring, and the heat conduction ring is provided with towards rotor pack side
With the one-to-one copper heat conduction item of thermal hole, the heat conduction ring other side is provided with radiator shutter, and the radiator shutter is with electricity
Heat is taken away in machine rotation, and the heat conduction ring surface is evenly equipped with ventilation hole, the radiator structure and rotor pack one piece die casting
Copper is molded.
Compared with prior art, the utility model has the beneficial effects that：
The utility model is inserted into the copper heat conduction item of thermal hole by setting, internal heat is exported, then pass through radiator shutter
Heat is taken away in rotation, while radiator shutter is also the wind radiator shutter of entire motor, for taking away outside heat；The utility model
Radiator structure is molded with rotor block lamination one piece die casting copper, has splendid thermal conduction characteristic, and can reach good
Heat dissipation effect, while entire production installation is very convenient, process is simple.
Optionally, the heat conduction ring is double-layer structure, and outer heat conduction ring and interior heat conduction ring are followed successively by towards rotor pack direction.It is double
Layer structure increases structural stability, while the double-deck heat dissipation, also increases exchange rate.
Optionally, in interior heat conduction ring side, the interior heat conduction ring other side is solid with outer heat conduction ring for the copper heat conduction item setting
Fixed, the radiator shutter is mounted on a side surface of the outer heat conduction ring far from rotor pack ontology.
Optionally, the rotor pack circumferential surface is provided with tooth socket.Tooth socket can effectively reduce induction reactance and improve rotating speed.
Optionally, the thermal hole is arranged by embedded permanent magnet sheet and is distributed in yoke.The uniform cloth of thermal hole
It sets, production is facilitated to install, while thermal hole is arranged by embedded permanent magnet sheet, it can be more effectively straight by copper heat conduction item
Tape splicing walks heat.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Fig. 2 is a kind of structural schematic diagram of the rotor pack of embodiment of the utility model.
Fig. 3 is a kind of structural schematic diagram of the interior heat conduction ring of embodiment of the utility model.
Fig. 4 is a kind of structural schematic diagram of the outer heat conduction ring of embodiment of the utility model.
As shown in the figure：1, rotor pack；101, built-in permanent magnetic body magnetic sheet；102, yoke；103, thermal hole；104, axis
Hole；105, lightening hole；106, tooth socket；2, main shaft；3, interior heat conduction ring；4, outer heat conduction ring；5, copper heat conduction item；6, ventilation hole；7, it dissipates
Hot blade.
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this
Novel protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model, and Fig. 2 is a kind of embodiment of the utility model
The structural schematic diagram of rotor pack ontology, Fig. 3 are a kind of structural schematic diagrams of the interior heat conduction ring of embodiment of the utility model, figure
4 be a kind of structural schematic diagram of the outer heat conduction ring of embodiment of the utility model.
As shown in Figures 1 to 4, a kind of inner rotor body of permanent magnet motor with cast copper radiator structure provided in this embodiment,
Including rotor pack 1 and radiator structure.Rotor pack 1 is provided with axis hole 104, and 104 periphery of axis hole is provided with lightening hole 105.Turn
Sub- lamination ontology 1 includes equally distributed built-in permanent magnetic body magnetic sheet 101 and yoke 102, and thermal hole is evenly equipped in yoke 102
103, thermal hole 103 is uniformly arranged on by built-in permanent magnetic body magnetic sheet 101, and 1 circumferential surface of rotor pack is provided with tooth socket 106.
Radiator structure includes main shaft 2, and axis hole 104 is inserted into 2 one end of main shaft, and the other end heat conduction ring 3 and is led in grafting outside successively
Hot ring 4.Interior heat conduction ring 3 is provided with and 103 one-to-one copper heat conduction item 7 of thermal hole, interior heat conduction ring towards 1 side of rotor pack
3 and outer heat conduction ring 4 be evenly equipped with ventilation hole 6.Outer heat conduction ring 4 is provided with radiator shutter far from 1 side of rotor pack.
The present embodiment uses a kind of injection moulding red copper process materials, cooling mechanism and 1 one piece die casting copper of rotor pack
Molding has splendid thermal conduction characteristic, and can reach good heat dissipation effect.
A kind of inner rotor body of permanent magnet motor with cast copper radiator structure provided in this embodiment, will by copper heat conduction item 5
101 internal heat of built-in permanent magnetic body magnetic sheet is transmitted to outside, is taking away heat by the rotation of radiator shutter 7, radiator shutter 7 is
It is the cooling wind blade of rotor pack 1, while is also the cooling wind blade of entire motor, while helps dissipating for permanent magnet motor stator winding
Heat so that have cooling system inside and outside magneto, effectively take precautions against magneto excess temperature demagnetization problem, improve the reliability of motor
And safety, it improves and extends motor service life, improve the anti-overload ability of magneto.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (5)
1. a kind of inner rotor body of permanent magnet motor with cast copper radiator structure, including rotor pack and radiator structure, feature exist
In：The rotor pack includes equally distributed built-in permanent magnetic body magnetic sheet and yoke, thermal hole is distributed in the yoke, institute
It states rotor pack and is provided with axis hole, the axis hole surrounding is provided with lightening hole, and the radiator structure includes main shaft and heat conduction ring, institute
State main shaft one end and be inserted into axis hole, the other end connects fixation with heat conduction ring, the heat conduction ring be provided with towards rotor pack side and
The one-to-one copper heat conduction item of thermal hole, the heat conduction ring other side are provided with radiator shutter, and the radiator shutter is with motor
Heat is taken away in rotation, and the heat conduction ring surface is evenly equipped with ventilation hole, the radiator structure and rotor pack one piece die casting copper
Molding.
2. a kind of inner rotor body of permanent magnet motor with cast copper radiator structure according to claim 1, it is characterised in that：Institute
It is double-layer structure to state heat conduction ring, and outer heat conduction ring and interior heat conduction ring are followed successively by towards rotor pack direction.
3. a kind of inner rotor body of permanent magnet motor with cast copper radiator structure according to claim 2, it is characterised in that：Institute
It states copper heat conduction item to be arranged in interior heat conduction ring side, the interior heat conduction ring other side is fixed with outer heat conduction ring, the radiator shutter peace
Mounted in a side surface of the outer heat conduction ring far from rotor pack ontology.
4. a kind of inner rotor body of permanent magnet motor with cast copper radiator structure according to claim 1, it is characterised in that：Institute
It states rotor pack circumferential surface and is provided with tooth socket.
5. a kind of inner rotor body of permanent magnet motor with cast copper radiator structure according to claim 1, it is characterised in that：Institute
Thermal hole is stated to be arranged by embedded permanent magnet sheet and be distributed in yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649013.7U CN207677529U (en) | 2017-11-30 | 2017-11-30 | A kind of inner rotor body of permanent magnet motor with cast copper radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721649013.7U CN207677529U (en) | 2017-11-30 | 2017-11-30 | A kind of inner rotor body of permanent magnet motor with cast copper radiator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677529U true CN207677529U (en) | 2018-07-31 |
Family
ID=62966845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721649013.7U Active CN207677529U (en) | 2017-11-30 | 2017-11-30 | A kind of inner rotor body of permanent magnet motor with cast copper radiator structure |
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| CN (1) | CN207677529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450156A (en) * | 2018-12-25 | 2019-03-08 | 河南迪诺环保科技股份有限公司 | A kind of high-precision bearing-free magnetic suspension rotor |
| CN110784033A (en) * | 2018-07-26 | 2020-02-11 | 本田技研工业株式会社 | Motor and ducted fan |
-
2017
- 2017-11-30 CN CN201721649013.7U patent/CN207677529U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110784033A (en) * | 2018-07-26 | 2020-02-11 | 本田技研工业株式会社 | Motor and ducted fan |
| US11025134B2 (en) | 2018-07-26 | 2021-06-01 | Honda Motor Co., Ltd. | Motor and ducted fan having heat radiation portions for cooling magnets |
| CN110784033B (en) * | 2018-07-26 | 2021-08-13 | 本田技研工业株式会社 | Motor and ducted fan |
| CN109450156A (en) * | 2018-12-25 | 2019-03-08 | 河南迪诺环保科技股份有限公司 | A kind of high-precision bearing-free magnetic suspension rotor |
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