WO2021128274A1 - Internal rotor and motor - Google Patents

Internal rotor and motor Download PDF

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Publication number
WO2021128274A1
WO2021128274A1 PCT/CN2019/129162 CN2019129162W WO2021128274A1 WO 2021128274 A1 WO2021128274 A1 WO 2021128274A1 CN 2019129162 W CN2019129162 W CN 2019129162W WO 2021128274 A1 WO2021128274 A1 WO 2021128274A1
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WO
WIPO (PCT)
Prior art keywords
shaft
heat dissipation
inner rotor
magnet
main body
Prior art date
Application number
PCT/CN2019/129162
Other languages
French (fr)
Chinese (zh)
Inventor
萧家祥
林继谦
阎柏均
Original Assignee
威刚科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 威刚科技股份有限公司 filed Critical 威刚科技股份有限公司
Priority to PCT/CN2019/129162 priority Critical patent/WO2021128274A1/en
Publication of WO2021128274A1 publication Critical patent/WO2021128274A1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
    • 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

Definitions

  • the invention relates to an inner rotor and a motor, in particular to an inner rotor and a motor with relatively better heat dissipation effect.
  • the invention discloses an inner rotor and a motor, which are mainly used to improve the problem that the motor is easy to accumulate heat energy when the motor rotates at a high speed, and the accumulated heat energy is easy to destroy the motor.
  • the inner rotor suitable for being installed in an outer stator of a motor.
  • the inner rotor includes a rotating shaft and a body.
  • the main body has a shaft through groove and a plurality of heat dissipation channels.
  • the shaft through groove is arranged through the main body along an axis direction, the rotating shaft is penetrated in the shaft through groove, and the rotating shaft and the main body are fixed to each other; the multiple heat dissipation channels pass through the main body
  • each heat dissipation channel respectively forms a first opening and a second opening at the opposite ends of the body.
  • the inner rotor includes: a rotating shaft; a body with a shaft through slot and a plurality of heat dissipation channels, The shaft through groove is provided through the main body along an axis direction, the rotating shaft passes through the shaft through groove, and the rotating shaft and the main body are fixed to each other; a plurality of heat dissipation channels are provided through the main body, and each heat dissipation channel is at opposite ends of the main body A first opening and a second opening are formed respectively; wherein, when the inner rotor rotates, external air can enter the corresponding heat dissipation channel through each first opening, and leave the inner rotor through the second opening, thereby taking away the inner rotor from rotating The heat generated at the time.
  • the body further has a plurality of magnet accommodating grooves, each magnet accommodating groove is arranged through the body in a direction parallel to the axial direction; the plurality of magnet accommodating grooves are arranged adjacent to the outer edge of the body, and each magnet accommodating groove is used for accommodating one Magnets; each heat dissipation channel is provided through the body in a direction parallel to the axial direction; a plurality of heat dissipation channels are arranged around the shaft through groove, and the plurality of heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
  • the main body is composed of a plurality of silicon steel sheets, and the plurality of silicon steel sheets are fixed to each other to form the main body.
  • Each silicon steel sheet has a shaft perforation, a plurality of heat dissipation perforations, a plurality of magnet perforations and a plurality of auxiliary perforations, and the shaft perforation is located at In the center of each silicon steel sheet, each auxiliary perforation is provided adjacent to the end of each magnet perforation near the shaft perforation, and two auxiliary perforations are provided between two adjacent heat dissipation perforations; each heat dissipation perforation is circular, and each heat dissipation perforation
  • the connection between the center and the center of the shaft perforation is defined as a symmetry axis, and the magnet perforations and auxiliary perforations located on both sides of each symmetry axis are symmetrically arranged with each other.
  • the main body includes: a shaft fixing structure with a shaft through groove formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other; a plurality of guiding structures, one long side of each guiding structure is fixed to the shaft The structures are connected, and a plurality of guiding structures are arranged at intervals with each other, and two adjacent guiding structures and the shaft fixing structure jointly partition a heat dissipation channel.
  • the main body further includes a ring structure, and each guide structure is connected to the ring structure opposite to the long side connected to the shaft fixing structure; and the ring structure, the plurality of guide structures and the shaft fixing structure are connected to the ring structure.
  • a plurality of heat dissipation channels are formed in the body together; a wide side surface of each guide structure, a partial section of an inner side surface of the ring structure, and a partial section of an outer side surface of the shaft fixing structure jointly form a heat dissipation channel;
  • the inner rotor also includes a magnet fixing structure, the magnet fixing structure is sleeved on the periphery of the main body, and the magnet fixing structure is used for arranging a plurality of magnets on the side opposite to the main body.
  • an included angle is formed between the wide side surface of each guide structure and a plane perpendicular to the axial direction, and the included angle is between 1 degree and 30 degrees.
  • a part of the wide side of each guiding structure is correspondingly located in the area surrounded by the adjacent first opening; in the rear view of the main body, a part of the wide side of each guiding structure corresponds to Located in the area surrounded by the adjacent second opening.
  • One of the embodiments disclosed in the present invention is a motor, which includes an outer stator, an inner rotor, and a plurality of magnets.
  • the outer stator has a plurality of coil winding structures inside, and the plurality of coil winding structures are arranged at intervals.
  • the coil winding structure is wound with enameled coils;
  • the outer stator has an accommodating channel;
  • an inner rotor is arranged in the accommodating channel, the inner rotor includes: a rotating shaft and a body; the body has a shaft through slot and multiple There are two heat dissipation channels, the shaft through groove is arranged through the main body along an axis direction, the rotating shaft is penetrated through the shaft through groove, and the rotating shaft and the main body are fixed to each other; a plurality of heat dissipation channels are arranged through the main body, and each heat dissipation channel is connected to the main body.
  • the opposite ends respectively form a first opening and a second opening; a plurality of magnets are arranged on the inner rotor, and the plurality of magnets are located on the outer edge of the inner rotor; wherein, when the inner rotor rotates, the external air can be The first opening enters the corresponding heat dissipation channel, and leaves the inner rotor through the second opening, so as to take away the heat generated when the inner rotor rotates.
  • the body further has a plurality of magnet accommodating grooves, each magnet accommodating groove is arranged through the body in a direction parallel to the axial direction; the plurality of magnet accommodating grooves are arranged adjacent to the outer edge of the body, and each magnet accommodating groove is used for accommodating one Magnets; each heat dissipation channel is provided through the body in a direction parallel to the axial direction; a plurality of heat dissipation channels are arranged around the shaft through groove, and the plurality of heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
  • the main body is composed of a plurality of silicon steel sheets, and the plurality of silicon steel sheets are fixed to each other to form the main body.
  • Each silicon steel sheet has a shaft perforation, a plurality of heat dissipation perforations, a plurality of magnet perforations and a plurality of auxiliary perforations, and the shaft perforation is located at In the center of each silicon steel sheet, each auxiliary perforation is provided adjacent to the end of each magnet perforation near the shaft perforation, and two auxiliary perforations are provided between two adjacent heat dissipation perforations; each heat dissipation perforation is circular, and each heat dissipation perforation
  • the connection between the center and the center of the shaft perforation is defined as a symmetry axis, and the magnet perforations and auxiliary perforations located on both sides of each symmetry axis are symmetrically arranged with each other.
  • the main body includes: a shaft fixing structure with a shaft through groove formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other; a plurality of guiding structures, one long side of each guiding structure is fixed to the shaft The structures are connected, and a plurality of guiding structures are arranged at intervals with each other, and the two adjacent guiding structures and the shaft fixing structure jointly form a heat dissipation channel.
  • the body further includes a ring structure, and each guide structure is connected to the ring structure opposite to the long side connected to the shaft fixing structure; and the ring structure, the plurality of guide structures, and the shaft fixing structure are connected to the ring structure.
  • a plurality of heat dissipation channels are formed in the body together; a wide side surface of each guide structure, a partial section of an inner side surface of the ring structure, and a partial section of an outer side surface of the shaft fixing structure jointly form a heat dissipation channel;
  • the inner rotor also includes a magnet fixing structure, the magnet fixing structure is sleeved on the periphery of the main body, and the magnet fixing structure is used for arranging a plurality of magnets on the side opposite to the main body.
  • an included angle is formed between the wide side surface of each guide structure and a plane perpendicular to the axial direction, and the included angle is between 1 degree and 30 degrees.
  • a part of the wide side of each guiding structure is correspondingly located in the area surrounded by the adjacent first opening; in the rear view of the main body, a part of the wide side of each guiding structure corresponds to Located in the area surrounded by the adjacent second opening.
  • the motor further includes two end covers, the two end covers are fixed to the two ends of the outer stator; each end cover has a plurality of air openings, and each air opening is connected with a plurality of heat dissipation channels; when the inner rotor rotates, they are located in the outer stator The outside air can enter the multiple heat dissipation channels of the inner rotor through the tuyere of one end cover, and exit the motor through the tuyere of the other end cover.
  • each end cover are respectively defined as an outer side surface and an inner side surface, the outer side surface is protrudingly formed with a plurality of air guide structures, each air guide channel has a tuyere, and the inner side has a plurality of recesses.
  • the wind guide grooves, each wind guide groove is connected with a tuyere, each tuyere is located on an air inlet plane, and the normal direction of the wind inlet plane is perpendicular to the axis direction.
  • the inner rotor and the motor of the present invention through the design of multiple heat dissipation channels, during the high-speed rotation of the inner rotor, the external air can pass through the multiple heat dissipation channels to take the heat energy of the motor away from the motor. This can greatly improve the heat dissipation effect when the motor rotates at a high speed.
  • Fig. 1 is a schematic diagram of a first embodiment of the motor of the present invention.
  • FIG. 2 is a schematic diagram from another perspective of the first embodiment of the motor of the present invention.
  • Fig. 3 is an exploded schematic view of the first embodiment of the motor of the present invention.
  • Fig. 4 is a schematic diagram of the first embodiment of the inner rotor of the present invention.
  • Fig. 5 is an exploded schematic diagram of the first embodiment of the inner rotor of the present invention.
  • Fig. 6 is a partial cross-sectional perspective view of the body of the first embodiment of the inner rotor of the present invention.
  • Fig. 7 is a schematic partial cross-sectional view of the body of the first embodiment of the inner rotor of the present invention.
  • Fig. 8 is a front view of the main body of the first embodiment of the inner rotor of the present invention.
  • Fig. 9 is a rear view of the body of the first embodiment of the inner rotor of the present invention.
  • Fig. 10 is a schematic partial cross-sectional view of the first embodiment of the motor of the present invention.
  • Fig. 11 is a schematic diagram of the end cover of the first embodiment of the motor of the present invention.
  • FIG. 12 is a schematic diagram of the end cover of the first embodiment of the motor of the present invention from another perspective.
  • Fig. 13 is a schematic diagram of a second embodiment of the motor of the present invention.
  • Fig. 14 is an exploded schematic view of the second embodiment of the motor of the present invention.
  • Fig. 15 is a schematic diagram of a second embodiment of the inner rotor provided with magnets of the present invention.
  • Fig. 16 is a front view of the second embodiment of the inner rotor provided with magnets of the present invention.
  • FIG. 1 is a schematic diagram of the first embodiment of the motor of the present invention
  • FIG. 2 is a schematic diagram of the first embodiment of the motor of the present invention from another perspective
  • FIG. 3 is a schematic diagram of the first embodiment of the motor of the present invention.
  • the motor 1 includes an outer stator 10, an inner rotor 11, a plurality of magnets 12 and two end covers 13.
  • a plurality of coil winding structures 101 are arranged inside the outer stator 10, and the plurality of coil winding structures 101 are arranged at intervals from each other, and each coil winding structure 101 is wound with an enameled wire.
  • the center of the outer stator 10 has an accommodation channel 10A, and a yoke 102 is formed on the side of each coil winding structure 101 facing the accommodation channel 10A. When the motor 1 is energized and the current flows through the enameled wire, each yoke 102 will generate a corresponding magnetic force.
  • the number and appearance of the coil winding structures 101, the distance between the two adjacent coil winding structures 101, and the appearance of the yoke 102 are not limited to those shown in FIG. 3, and they can be changed according to requirements.
  • FIG. 4 is a schematic diagram from another perspective of the first embodiment of the inner rotor of the present invention
  • FIG. 5 is an exploded view of the first embodiment of the inner rotor of the present invention Schematic.
  • the inner rotor 11 includes a rotating shaft 111, a main body 112 and a magnet fixing structure 113.
  • the main body 112 includes a shaft fixing structure 1121, a plurality of guiding structures 1122, and a ring structure 1123.
  • a shaft through groove 1121A is formed in the center of the shaft fixing structure 1121.
  • the shaft through groove 1121A penetrates the shaft fixing structure 1121 along an axial direction L.
  • the rotating shaft 111 passes through the shaft through groove 1121A, and the rotating shaft 111 and The bodies 112 are fixed to each other.
  • the shaft fixing structure 1121 is mainly used to fix the rotating shaft 111. Therefore, the shape of the shaft fixing structure 1121 and the shaft through groove 1121A are designed according to the rotating shaft 111. In practical applications, after the rotating shaft 111 is inserted into the shaft through groove 1121A, the rotating shaft 111 can be fixed to the shaft fixing structure 1121 in any manner according to requirements, which is not limited herein.
  • each guide structure 1122 is connected to the shaft fixing structure 1121, and a plurality of guide structures 1122 are arranged in a spaced manner from each other.
  • Each guide structure 1122 and the shaft fixing structure 1121 jointly partition a plurality of heat dissipation channels 112A, and each heat dissipation channel 112A is formed through the main body 112.
  • Each heat dissipation channel 112A respectively forms a first opening 112B (as shown in FIG. 8) and a second opening 112C (as shown in FIG. 9) at opposite ends of the body 112.
  • the size and appearance of the first opening 112B and the second second opening 112C are not limited here, and the drawings in this embodiment are only one of the exemplary methods.
  • each guiding structure 1122 opposite to each other connect the shaft fixing structure 1121 and the ring structure 1123 respectively.
  • a wide side surface 11221 of each guiding structure 1122, a partial section of an inner side surface 11231 of the annular structure 1123, and a partial section of an outer side surface 11211 of the shaft fixing structure 1121 jointly form a heat dissipation channel 112A.
  • the shaft fixing structure 1121 of the main body 112, the plurality of guiding structures 1122, and the ring structure 1123 may be integrally formed.
  • the plurality of guide structures 1122 and the ring structure 1123 are mainly used to cooperate with the shaft fixing structure 1121 to form a plurality of heat dissipation channels 112A. Therefore, the appearance, size, and arrangement of each guide structure 1122 are as follows:
  • the appearance of the ring structure 1123, etc. can be changed according to requirements, and is not limited to what is shown in the figure in this embodiment.
  • the air outside the inner rotor 11 can enter the multiple heat dissipation channels 112A through the multiple first openings 112B, and be separated by the phases.
  • the corresponding plurality of second openings 112C leave the inner rotor 11, so as to take away the thermal energy generated when the inner rotor 11 rotates away from the inner rotor 11.
  • the inner rotor 11 may also include a magnet fixing structure 113.
  • the magnet fixing structure 113 is sleeved on the periphery of the main body 112, and the outer side surface 1131 of the magnet fixing structure 113 is used for fixing a plurality of magnets 12.
  • the magnet fixing structure 113 is, for example, a high-permeability material, and the body 112 can be a non-magnetic material.
  • the main body 112 may not have the annular structure 1123, and the main body 112 has the shaft fixing structure 1121 and a plurality of guiding structures 1122.
  • the two heat dissipation channels 112A are formed by the shaft fixing structure 1121, a plurality of guiding structures 1122 and the magnet fixing structure 113.
  • FIG. 7 is a perspective view of a partial cross-section of the body of the first embodiment of the inner rotor of the present invention
  • FIG. 8 is a partial cross-section of the body of the first embodiment of the inner rotor of the present invention
  • FIG. 9 is a front view of the body of the first embodiment of the inner rotor of the present invention
  • FIG. 10 is a rear view of the body of the first embodiment of the inner rotor of the present invention.
  • the extension surface of the wide side surface 11221 of each guide structure 1122 is connected to a plane perpendicular to the axial direction L
  • An included angle ⁇ is formed between S, and the included angle ⁇ can be between 1 degree and 30 degrees. That is, as shown in FIGS. 8 and 9, in the front view of the main body 112, a part of the wide side 11221 of each guide structure 1122 corresponds to the area A surrounded by the adjacent first opening 112B (as shown in FIG.
  • each guide structure 1122 corresponds to the area B surrounded by the adjacent second opening 112C (the dot area shown in FIG. 9 )Inside.
  • the center axis AX1 of each guide structure 1122 may be adjacent to the center point P1 of the shaft through groove 1121A; and, as shown in FIG. In the rear view, the central axis AX2 of each guide structure 1122 does not pass through the central point P1 of the shaft through groove 1121A.
  • FIG. 10 is a schematic cross-sectional view of the first embodiment of the motor of the present invention
  • FIG. 11 is a schematic view of the end cover of the first embodiment of the motor of the present invention
  • FIG. 12 is shown as A schematic view of the end cap of the first embodiment of the motor of the present invention from another perspective.
  • the two end covers 13 of the motor 1 are fixed to both ends of the outer stator 10.
  • Each end cover 13 has a plurality of tuyere 13A, and each tuyere 13A communicates with a plurality of heat dissipation channels 112A (as shown in FIG. 11).
  • each end cover 13 is defined as an outer side surface 131 and an inner side surface 132, respectively.
  • the tuyere 13A may not be directly formed on the outer surface 131, but the outer surface 131 of the end cover 13 It may be that a plurality of air guiding structures 133 are protrudingly formed, each air guiding structure 133 has one air opening 13A, the inner side 132 is concavely formed with a plurality of air guiding grooves 134, each air guiding groove 134 and one air opening 13A Connected.
  • each tuyere 13A is not formed by penetrating the end cover 13 from the outer side surface 131 to the inner side surface 132, and each tuyere 13A is an air inlet plane, the air inlet plane may be perpendicular to the outer side surface 131, and the The normal direction of the inlet plane is not parallel to the axis direction L.
  • each tuyere 13A can be designed according to the rotation direction of the inner rotor 11. In this way, when the inner rotor 11 is rotating, the air outside the motor 1 will more easily enter the multiple heat dissipation channels 112A of the inner rotor 11 through the tuyere 13A.
  • the end cover 13 can be made of, for example, a metal material, and each air guide structure 133 can be formed by punching outward from the inner side 132 of the end cover 13 by using stamping equipment.
  • the material of the end cover 13 and the air guide structure The formation of 133 is not limited to this.
  • FIG. 13 is a schematic diagram of the second embodiment of the motor of the present invention
  • FIG. 14 is an exploded schematic view of the second embodiment of the motor of the present invention
  • FIG. 15 is an inner rotor arrangement of the present invention
  • FIG. 16 is a front view of the second embodiment of the inner rotor with magnets of the present invention.
  • the motor 2 includes an outer stator 20, an inner rotor 21, a plurality of magnets 22 and two end covers 23.
  • the outer stator 20 referred to in this embodiment is the same as the outer stator 20 contained in the previous embodiment, and will not be repeated here.
  • the biggest difference between this embodiment and the previous embodiment is that the inner rotor 21 of the motor 2 of this embodiment is different from the inner rotor of the motor 2 of the previous embodiment.
  • the inner rotor 21 includes a rotating shaft 211 and a body 212.
  • the main body 212 has a shaft through groove 212A and a plurality of heat dissipation channels 212B.
  • the shaft through groove 212A is arranged along a shaft direction L through the main body.
  • the rotating shaft 211 penetrates through the shaft through groove 212A, and the rotating shaft 211 and the main body 212 Fixed to each other.
  • a plurality of heat dissipation channels 212B are provided through the body 212 along the axial direction L.
  • the main body 212 may also have a plurality of magnet pockets 212C and a plurality of auxiliary pockets 212D, and each magnet pocket 212C penetrates the main body 212 in a direction parallel to the axial direction L.
  • a plurality of magnet accommodating slots 212C are arranged adjacent to the outer edge of the main body 212, and each magnet accommodating slot 212C is used for accommodating one magnet 22.
  • a plurality of heat dissipation channels 212B are arranged around the shaft through groove 212A, and the plurality of heat dissipation channels 212B are located between the shaft through groove 212A and the plurality of magnet accommodating grooves 212C.
  • Each auxiliary accommodating groove 212D is disposed through the main body 212 in a direction parallel to the axial direction L, and each auxiliary accommodating groove 212D is used to reduce the problem of mutual interference of magnetic lines of force of two adjacent magnets.
  • the main body 212 may be composed of a plurality of silicon steel sheets 2121, and the plurality of silicon steel sheets 2121 are fixed to each other to form the main body 212.
  • Each silicon steel sheet 2121 has a shaft hole 21211, A plurality of heat dissipation holes 21212, a plurality of magnet holes 21213 and a plurality of auxiliary holes 21214.
  • the shaft hole 21211 is located in the center of each silicon steel sheet 2121.
  • Each magnet hole 21213 is provided with an auxiliary hole 21214 at one end close to the shaft hole 21211.
  • Two auxiliary through holes 21214 are provided between the heat dissipation through holes 21212 adjacent to each other.
  • Each heat dissipation perforation 21212 is circular.
  • each heat dissipation perforation 21212 The connection between the center point P2 of each heat dissipation perforation 21212 and the center point P2 of the shaft perforation 21211 is defined as a symmetry axis AX3.
  • the magnet perforation 21213 and the auxiliary perforation 21214 located on both sides of each symmetry axis AX3 are mutually connected. Set symmetrically.
  • the shape of each heat dissipation through hole 21212 is not limited to a circular shape. In different applications, the heat dissipation through hole 21212 may have any shape according to requirements.
  • each auxiliary perforation 21214 is used to weaken the mutual interference of the magnetic forces of two magnets 22 adjacent to each other.
  • the inner rotors 11 and 21 exemplified in the above embodiments can be manufactured and sold separately, and the inner rotors 11 and 21 are not limited to being combined with the outer stators 10 and 20 to form a motor 1. 2 Sold together.
  • the inner rotor and the motor of the present invention are designed with multiple heat dissipation channels formed in the body of the inner rotor, so that the air outside the inner rotor can pass through the heat dissipation channels while the inner rotor is rotating.
  • the heat energy in the inner rotor is taken away from the inner rotor, thereby reducing the probability of failure of the inner rotor and the motor due to poor heat dissipation.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

Disclosed in the present invention are an internal rotor and a motor. The motor comprises the internal rotor. The internal rotor comprises a rotating shaft and a body, wherein the body is provided with a shaft body through groove and a plurality of heat-dissipation channels; the shaft body through groove passes through the body in an axis direction; the rotating shaft penetrates through the shaft body through groove, and the rotating shaft and the body are fixed to each other; the plurality of heat-dissipation channels pass through the body, and each heat-dissipation channel respectively form a first opening and a second opening at two ends, opposite to each other, of the body. When the internal rotor rotates, external air can enter a corresponding heat-dissipation channel by means of each first opening, and leaves the internal rotor by means of the second opening, thereby taking away heat energy generated during rotation of the internal rotor.

Description

内转子及马达Inner rotor and motor 技术领域Technical field
本发明涉及一种内转子及马达，尤其涉及一种具有相对较佳的散热效果的内转子及马达。The invention relates to an inner rotor and a motor, in particular to an inner rotor and a motor with relatively better heat dissipation effect.
背景技术Background technique
常见的各式马达，在高速转动的情况下，会快速地积蓄热能，若热能无法有效地被带离马达，则马达很可能会因为高温而发生毁坏，甚至起火的问题。因此，对于马达生产厂商而言，如何使马达在高速旋转的情况下，可以有效地散热，成为了重要的课题之一。Common types of motors will quickly accumulate heat energy when rotating at high speeds. If the heat energy cannot be effectively taken away from the motor, the motor is likely to be damaged or even catch fire due to the high temperature. Therefore, for motor manufacturers, how to effectively dissipate heat when the motor rotates at a high speed has become one of the important issues.
发明内容Summary of the invention
本发明公开一种内转子及马达，主要用以改善马达在高速旋转时，容易积蓄热能，积蓄的热能容易使马达毁坏的问题。The invention discloses an inner rotor and a motor, which are mainly used to improve the problem that the motor is easy to accumulate heat energy when the motor rotates at a high speed, and the accumulated heat energy is easy to destroy the motor.
本发明的其中一实施例公开一种内转子，其适用于安装于一马达的外定子中，内转子包含：一转动轴及一本体。本体具有一轴体通槽及多个散热通道，轴体通槽沿一轴心方向贯穿本体设置，转动轴穿设于轴体通槽，而转动轴与本体相互固定；多个散热通道贯穿本体设置，且各个散热通道于本体彼此相反的两端分别形成一第一开口及一第二开口。其中，内转子旋转时，外部的空气能由各个第一开口进入相对应的散热通道，并通过第二开口离开内转子，从而带走内转子旋转时所产生的热能。One of the embodiments of the present invention discloses an inner rotor suitable for being installed in an outer stator of a motor. The inner rotor includes a rotating shaft and a body. The main body has a shaft through groove and a plurality of heat dissipation channels. The shaft through groove is arranged through the main body along an axis direction, the rotating shaft is penetrated in the shaft through groove, and the rotating shaft and the main body are fixed to each other; the multiple heat dissipation channels pass through the main body And each heat dissipation channel respectively forms a first opening and a second opening at the opposite ends of the body. Wherein, when the inner rotor rotates, external air can enter the corresponding heat dissipation channel through each first opening, and leave the inner rotor through the second opening, so as to take away the heat generated when the inner rotor rotates.
本发明公开的其中一个实施例是一种内转子，其适用于安装于一马达的外定子中，内转子包含：一转动轴；一本体，其具有一轴体通槽及多个散热通道，轴体通槽沿一轴心方向贯穿本体设置，转动轴穿设于轴体通槽，而转动轴与本体相互固定；多个散热通道贯穿本体设置，且各个散热通道于本体彼此相反的两端分别形成一第一开口及一第二开口；其中，内转子旋转时，外部的空气能由各个第一开口进入相对应的散热通道，并通过第二开口离开内转子，从而带走内转子旋转时所产生的热能。One of the embodiments disclosed in the present invention is an inner rotor, which is suitable for being installed in an outer stator of a motor. The inner rotor includes: a rotating shaft; a body with a shaft through slot and a plurality of heat dissipation channels, The shaft through groove is provided through the main body along an axis direction, the rotating shaft passes through the shaft through groove, and the rotating shaft and the main body are fixed to each other; a plurality of heat dissipation channels are provided through the main body, and each heat dissipation channel is at opposite ends of the main body A first opening and a second opening are formed respectively; wherein, when the inner rotor rotates, external air can enter the corresponding heat dissipation channel through each first opening, and leave the inner rotor through the second opening, thereby taking away the inner rotor from rotating The heat generated at the time.
优选地，本体还具有多个磁铁容槽，各个磁铁容槽沿平行于轴心方向的方向贯穿本体设置；多个磁铁容槽邻近于本体的外缘设置，各个磁铁容槽用以容置一磁铁；各个散热通 道沿平行于轴心方向的方向贯穿本体设置；多个散热通道环绕轴体通槽设置，且多个散热通道位于轴体通槽与多个磁铁容槽之间。Preferably, the body further has a plurality of magnet accommodating grooves, each magnet accommodating groove is arranged through the body in a direction parallel to the axial direction; the plurality of magnet accommodating grooves are arranged adjacent to the outer edge of the body, and each magnet accommodating groove is used for accommodating one Magnets; each heat dissipation channel is provided through the body in a direction parallel to the axial direction; a plurality of heat dissipation channels are arranged around the shaft through groove, and the plurality of heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
优选地，本体由多个硅钢片组成，多个硅钢片彼此相互固定而形成本体，各个硅钢片具有一轴体穿孔、多个散热穿孔、多个磁铁穿孔及多个辅助穿孔，轴体穿孔位于各个硅钢片的中心，各个辅助穿孔邻近于各个磁铁穿孔靠近轴体穿孔的一端设置，两个彼此相邻的散热穿孔之间设置有两个辅助穿孔；各个散热穿孔为圆形，各个散热穿孔的中心与轴体穿孔的中心的联机定义为一对称轴，位于各个对称轴两侧的磁铁穿孔及辅助穿孔彼此对称地设置。Preferably, the main body is composed of a plurality of silicon steel sheets, and the plurality of silicon steel sheets are fixed to each other to form the main body. Each silicon steel sheet has a shaft perforation, a plurality of heat dissipation perforations, a plurality of magnet perforations and a plurality of auxiliary perforations, and the shaft perforation is located at In the center of each silicon steel sheet, each auxiliary perforation is provided adjacent to the end of each magnet perforation near the shaft perforation, and two auxiliary perforations are provided between two adjacent heat dissipation perforations; each heat dissipation perforation is circular, and each heat dissipation perforation The connection between the center and the center of the shaft perforation is defined as a symmetry axis, and the magnet perforations and auxiliary perforations located on both sides of each symmetry axis are symmetrically arranged with each other.
优选地，本体包含：一轴体固定结构，其中心形成有轴体通槽，转动轴与轴体固定结构相互固定；多个导引结构，各个导引结构的一长侧边与轴体固定结构相连接，且多个导引结构彼此间隔地排列设置，而彼此相邻的两个导引结构与轴体固定结构共同区隔出一个散热通道。Preferably, the main body includes: a shaft fixing structure with a shaft through groove formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other; a plurality of guiding structures, one long side of each guiding structure is fixed to the shaft The structures are connected, and a plurality of guiding structures are arranged at intervals with each other, and two adjacent guiding structures and the shaft fixing structure jointly partition a heat dissipation channel.
优选地，本体还包含一环状结构，各个导引结构相反于与轴体固定结构相连接的长侧边与环状结构相连接；而环状结构、多个导引结构及轴体固定结构共同于本体内形成多个散热通道；各个导引结构的一宽侧面、环状结构的一内侧面的部分区段及轴体固定结构的一外侧面的部分区段共同形成一个散热通道；其中，内转子还包含一磁铁固定结构，磁铁固定结构套设于本体的***，磁铁固定结构相反于本体的一侧用以设置多个磁铁。Preferably, the main body further includes a ring structure, and each guide structure is connected to the ring structure opposite to the long side connected to the shaft fixing structure; and the ring structure, the plurality of guide structures and the shaft fixing structure are connected to the ring structure. A plurality of heat dissipation channels are formed in the body together; a wide side surface of each guide structure, a partial section of an inner side surface of the ring structure, and a partial section of an outer side surface of the shaft fixing structure jointly form a heat dissipation channel; The inner rotor also includes a magnet fixing structure, the magnet fixing structure is sleeved on the periphery of the main body, and the magnet fixing structure is used for arranging a plurality of magnets on the side opposite to the main body.
优选地，各个导引结构的宽侧面与垂直于轴心方向的一平面之间形成有一夹角，夹角介于1度至30度。Preferably, an included angle is formed between the wide side surface of each guide structure and a plane perpendicular to the axial direction, and the included angle is between 1 degree and 30 degrees.
优选地，于本体的主视图中，各个导引结构的宽侧面的一部分对应位于相邻的第一开口所围绕的区域内；于本体的后视图中，各个导引结构的宽侧面的一部分对应位于相邻的第二开口所围绕的区域内。Preferably, in the front view of the main body, a part of the wide side of each guiding structure is correspondingly located in the area surrounded by the adjacent first opening; in the rear view of the main body, a part of the wide side of each guiding structure corresponds to Located in the area surrounded by the adjacent second opening.
本发明公开的其中一个实施例是一种马达，其包含一外定子、一内转子及多个磁铁，外定子内部具有多个线圈卷绕结构，多个线圈卷绕结构彼此间隔地设置，各个线圈卷绕结构缠绕有漆包线圈；外定子内具有一容置通道；一内转子，其设置于容置通道中，内转子包含：一转动轴及一本体；本体具有一轴体通槽及多个散热通道，轴体通槽沿一轴心方向贯穿本体设置，转动轴穿设于轴体通槽，而转动轴与本体相互固定；多个散热通道贯穿本体设置，且各个散热通道于本体彼此相反的两端分别形成一第一开口及一第二开口；多个磁铁，其设置于内转子，且多个磁铁位于内转子的外缘；其中，内转子旋转时，外部的空 气能由各个第一开口进入相对应的散热通道，并通过第二开口离开内转子，从而带走内转子旋转时所产生的热能。One of the embodiments disclosed in the present invention is a motor, which includes an outer stator, an inner rotor, and a plurality of magnets. The outer stator has a plurality of coil winding structures inside, and the plurality of coil winding structures are arranged at intervals. The coil winding structure is wound with enameled coils; the outer stator has an accommodating channel; an inner rotor is arranged in the accommodating channel, the inner rotor includes: a rotating shaft and a body; the body has a shaft through slot and multiple There are two heat dissipation channels, the shaft through groove is arranged through the main body along an axis direction, the rotating shaft is penetrated through the shaft through groove, and the rotating shaft and the main body are fixed to each other; a plurality of heat dissipation channels are arranged through the main body, and each heat dissipation channel is connected to the main body. The opposite ends respectively form a first opening and a second opening; a plurality of magnets are arranged on the inner rotor, and the plurality of magnets are located on the outer edge of the inner rotor; wherein, when the inner rotor rotates, the external air can be The first opening enters the corresponding heat dissipation channel, and leaves the inner rotor through the second opening, so as to take away the heat generated when the inner rotor rotates.
优选地，本体还具有多个磁铁容槽，各个磁铁容槽沿平行于轴心方向的方向贯穿本体设置；多个磁铁容槽邻近于本体的外缘设置，各个磁铁容槽用以容置一磁铁；各个散热通道沿平行于轴心方向的方向贯穿本体设置；多个散热通道环绕轴体通槽设置，且多个散热通道位于轴体通槽与多个磁铁容槽之间。Preferably, the body further has a plurality of magnet accommodating grooves, each magnet accommodating groove is arranged through the body in a direction parallel to the axial direction; the plurality of magnet accommodating grooves are arranged adjacent to the outer edge of the body, and each magnet accommodating groove is used for accommodating one Magnets; each heat dissipation channel is provided through the body in a direction parallel to the axial direction; a plurality of heat dissipation channels are arranged around the shaft through groove, and the plurality of heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
优选地，本体由多个硅钢片组成，多个硅钢片彼此相互固定而形成本体，各个硅钢片具有一轴体穿孔、多个散热穿孔、多个磁铁穿孔及多个辅助穿孔，轴体穿孔位于各个硅钢片的中心，各个辅助穿孔邻近于各个磁铁穿孔靠近轴体穿孔的一端设置，两个彼此相邻的散热穿孔之间设置有两个辅助穿孔；各个散热穿孔为圆形，各个散热穿孔的中心与轴体穿孔的中心的联机定义为一对称轴，位于各个对称轴两侧的磁铁穿孔及辅助穿孔彼此对称地设置。Preferably, the main body is composed of a plurality of silicon steel sheets, and the plurality of silicon steel sheets are fixed to each other to form the main body. Each silicon steel sheet has a shaft perforation, a plurality of heat dissipation perforations, a plurality of magnet perforations and a plurality of auxiliary perforations, and the shaft perforation is located at In the center of each silicon steel sheet, each auxiliary perforation is provided adjacent to the end of each magnet perforation near the shaft perforation, and two auxiliary perforations are provided between two adjacent heat dissipation perforations; each heat dissipation perforation is circular, and each heat dissipation perforation The connection between the center and the center of the shaft perforation is defined as a symmetry axis, and the magnet perforations and auxiliary perforations located on both sides of each symmetry axis are symmetrically arranged with each other.
优选地，本体包含：一轴体固定结构，其中心形成有轴体通槽，转动轴与轴体固定结构相互固定；多个导引结构，各个导引结构的一长侧边与轴体固定结构相连接，且多个导引结构彼此间隔地排列设置，而彼此相邻的两个导引结构与轴体固定结构共同形成一个散热通道。Preferably, the main body includes: a shaft fixing structure with a shaft through groove formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other; a plurality of guiding structures, one long side of each guiding structure is fixed to the shaft The structures are connected, and a plurality of guiding structures are arranged at intervals with each other, and the two adjacent guiding structures and the shaft fixing structure jointly form a heat dissipation channel.
优选地，本体还包含一环状结构，各个导引结构相反于与轴体固定结构相连接的长侧边与环状结构相连接；而环状结构、多个导引结构及轴体固定结构共同于本体内形成多个散热通道；各个导引结构的一宽侧面、环状结构的一内侧面的部分区段及轴体固定结构的一外侧面的部分区段共同形成一个散热通道；其中，内转子还包含一磁铁固定结构，磁铁固定结构套设于本体的***，磁铁固定结构相反于本体的一侧用以设置多个磁铁。Preferably, the body further includes a ring structure, and each guide structure is connected to the ring structure opposite to the long side connected to the shaft fixing structure; and the ring structure, the plurality of guide structures, and the shaft fixing structure are connected to the ring structure. A plurality of heat dissipation channels are formed in the body together; a wide side surface of each guide structure, a partial section of an inner side surface of the ring structure, and a partial section of an outer side surface of the shaft fixing structure jointly form a heat dissipation channel; The inner rotor also includes a magnet fixing structure, the magnet fixing structure is sleeved on the periphery of the main body, and the magnet fixing structure is used for arranging a plurality of magnets on the side opposite to the main body.
优选地，各个导引结构的宽侧面与垂直于轴心方向的一平面之间形成有一夹角，夹角介于1度至30度。Preferably, an included angle is formed between the wide side surface of each guide structure and a plane perpendicular to the axial direction, and the included angle is between 1 degree and 30 degrees.
优选地，于本体的主视图中，各个导引结构的宽侧面的一部分对应位于相邻的第一开口所围绕的区域内；于本体的后视图中，各个导引结构的宽侧面的一部分对应位于相邻的第二开口所围绕的区域内。Preferably, in the front view of the main body, a part of the wide side of each guiding structure is correspondingly located in the area surrounded by the adjacent first opening; in the rear view of the main body, a part of the wide side of each guiding structure corresponds to Located in the area surrounded by the adjacent second opening.
优选地，马达还包含两个端盖，两个端盖固定于外定子的两端；各个端盖具有多个风口，各个风口与多个散热通道相连通；当内转子转动时，位于外定子外的空气能通过其中一个端盖的风口进入内转子的多个散热通道，并通过另一个端盖的风口排出马达。Preferably, the motor further includes two end covers, the two end covers are fixed to the two ends of the outer stator; each end cover has a plurality of air openings, and each air opening is connected with a plurality of heat dissipation channels; when the inner rotor rotates, they are located in the outer stator The outside air can enter the multiple heat dissipation channels of the inner rotor through the tuyere of one end cover, and exit the motor through the tuyere of the other end cover.
优选地，各个端盖彼此相反的两侧分别定义为一外侧面及一内侧面，外侧面凸出形成有多个导风结构，各个导风通道具有一个风口，内侧面内凹形成有多个导风凹槽，各个导风凹槽与一个风口相连通，各个风口位于一入风平面，入风平面的法线方向垂直于轴心方向。Preferably, the opposite sides of each end cover are respectively defined as an outer side surface and an inner side surface, the outer side surface is protrudingly formed with a plurality of air guide structures, each air guide channel has a tuyere, and the inner side has a plurality of recesses. The wind guide grooves, each wind guide groove is connected with a tuyere, each tuyere is located on an air inlet plane, and the normal direction of the wind inlet plane is perpendicular to the axis direction.
综上所述，本发明的内转子及马达，通过多个散热通道的设计，内转子在高速旋转的过程中，外部的空气将可以通过多个散热通道，而将马达的热能带离马达，从而可以大幅改善马达高速旋转时的散热效果。In summary, the inner rotor and the motor of the present invention, through the design of multiple heat dissipation channels, during the high-speed rotation of the inner rotor, the external air can pass through the multiple heat dissipation channels to take the heat energy of the motor away from the motor. This can greatly improve the heat dissipation effect when the motor rotates at a high speed.
为能更进一步了解本发明的特征及技术内容，请参阅以下有关本发明的详细说明与附图，但是此等说明与附图仅用来说明本发明，而非对本发明的保护范围作任何的限制。In order to further understand the features and technical content of the present invention, please refer to the following detailed descriptions and drawings about the present invention, but these descriptions and drawings are only used to illustrate the present invention, and do not make any claims about the protection scope of the present invention. limit.
附图说明Description of the drawings
图1为本发明的马达的第一实施例的示意图。Fig. 1 is a schematic diagram of a first embodiment of the motor of the present invention.
图2为本发明的马达的第一实施例的另一视角的示意图。FIG. 2 is a schematic diagram from another perspective of the first embodiment of the motor of the present invention.
图3为本发明的马达的第一实施例的分解示意图。Fig. 3 is an exploded schematic view of the first embodiment of the motor of the present invention.
图4为本发明的内转子的第一实施例的示意图。Fig. 4 is a schematic diagram of the first embodiment of the inner rotor of the present invention.
图5为本发明的内转子的第一实施例的分解示意图。Fig. 5 is an exploded schematic diagram of the first embodiment of the inner rotor of the present invention.
图6为本发明的内转子的第一实施例的本体的局部剖面立体示意图。Fig. 6 is a partial cross-sectional perspective view of the body of the first embodiment of the inner rotor of the present invention.
图7为本发明的内转子的第一实施例的本体的局部剖面示意图。Fig. 7 is a schematic partial cross-sectional view of the body of the first embodiment of the inner rotor of the present invention.
图8为本发明的内转子的第一实施例的本体的主视图。Fig. 8 is a front view of the main body of the first embodiment of the inner rotor of the present invention.
图9为本发明的内转子的第一实施例的本体的后视图。Fig. 9 is a rear view of the body of the first embodiment of the inner rotor of the present invention.
图10为本发明的马达的第一实施例的局部剖面示意图。Fig. 10 is a schematic partial cross-sectional view of the first embodiment of the motor of the present invention.
图11为本发明的马达的第一实施例的端盖的示意图。Fig. 11 is a schematic diagram of the end cover of the first embodiment of the motor of the present invention.
图12为本发明的马达的第一实施例的端盖的另一视角的示意图。FIG. 12 is a schematic diagram of the end cover of the first embodiment of the motor of the present invention from another perspective.
图13为本发明的马达的第二实施例的示意图。Fig. 13 is a schematic diagram of a second embodiment of the motor of the present invention.
图14为本发明的马达的第二实施例的分解示意图。Fig. 14 is an exploded schematic view of the second embodiment of the motor of the present invention.
图15为本发明的内转子设置有磁铁的第二实施例的示意图。Fig. 15 is a schematic diagram of a second embodiment of the inner rotor provided with magnets of the present invention.
图16为本发明的内转子设置有磁铁的第二实施例的主视图。Fig. 16 is a front view of the second embodiment of the inner rotor provided with magnets of the present invention.
具体实施方式Detailed ways
于以下说明中，如有指出请参阅特定附图或是如特定附图所示，其仅是用以强调于后续说明中，所述及的相关内容大部分出现于该特定附图中，但不限制该后续说明中仅可参考所述特定附图。In the following description, if it is pointed out that please refer to a specific drawing or as shown in a specific drawing, it is only used to emphasize in the subsequent description, and most of the related content appears in the specific drawing, but It is not limited that only the specific drawings can be referred to in this subsequent description.
请一并参阅图1至图3，图1为本发明的马达的第一实施例的示意图；图2为本发明的马达的第一实施例的另一视角的示意图；图3为本发明的马达的第一实施例的分解示意图。马达1包含一外定子10、一内转子11、多个磁铁12及两个端盖13。Please refer to FIGS. 1 to 3 together. FIG. 1 is a schematic diagram of the first embodiment of the motor of the present invention; FIG. 2 is a schematic diagram of the first embodiment of the motor of the present invention from another perspective; FIG. 3 is a schematic diagram of the first embodiment of the motor of the present invention. An exploded schematic view of the first embodiment of the motor. The motor 1 includes an outer stator 10, an inner rotor 11, a plurality of magnets 12 and two end covers 13.
外定子10的内部设置有具有多个线圈卷绕结构101，多个线圈卷绕结构101彼此间隔地设置，各个线圈卷绕结构101缠绕有漆包线。外定子10的中心具有一容置通道10A，各个线圈卷绕结构101面对容置通道10A的一侧形成有一轭部102。当马达1通电，而电流流经漆包线时，各个轭部102将对应产生磁力。关于线圈卷绕结构101的数量、外型、彼此相邻的两线圈卷绕结构101的间距、轭部102的外型等，皆不以图3所示为限，其可依据需求变化。A plurality of coil winding structures 101 are arranged inside the outer stator 10, and the plurality of coil winding structures 101 are arranged at intervals from each other, and each coil winding structure 101 is wound with an enameled wire. The center of the outer stator 10 has an accommodation channel 10A, and a yoke 102 is formed on the side of each coil winding structure 101 facing the accommodation channel 10A. When the motor 1 is energized and the current flows through the enameled wire, each yoke 102 will generate a corresponding magnetic force. The number and appearance of the coil winding structures 101, the distance between the two adjacent coil winding structures 101, and the appearance of the yoke 102 are not limited to those shown in FIG. 3, and they can be changed according to requirements.
内转子11设置于外定子10的容置通道10A中，端盖13固定于外定子10及内转子11的两端。当马达1通电时，内转子11将能相对于外定子10旋转。更进一步来说，请一并参阅图3至图5，图4为本发明的内转子的第一实施例的另一视角的示意图；图5为本发明的内转子的第一实施例的分解示意图。内转子11包含：一转动轴111、一本体112及一磁铁固定结构113。The inner rotor 11 is arranged in the accommodating channel 10A of the outer stator 10, and the end cover 13 is fixed to both ends of the outer stator 10 and the inner rotor 11. When the motor 1 is energized, the inner rotor 11 will be able to rotate relative to the outer stator 10. More specifically, please refer to FIGS. 3 to 5 together. FIG. 4 is a schematic diagram from another perspective of the first embodiment of the inner rotor of the present invention; FIG. 5 is an exploded view of the first embodiment of the inner rotor of the present invention Schematic. The inner rotor 11 includes a rotating shaft 111, a main body 112 and a magnet fixing structure 113.
本体112包含：一轴体固定结构1121、多个导引结构1122及一环状结构1123。轴体固定结构1121的中心形成有一轴体通槽1121A，轴体通槽1121A沿一轴心方向L贯穿轴体固定结构1121，转动轴111穿设于轴体通槽1121A，而转动轴111与本体112相互固定。轴体固定结构1121主要是用来固定转动轴111，因此，轴体固定结构1121及轴体通槽1121A的外型，是依据转动轴111设计。在实际应用中，转动轴111插设于轴体通槽1121A后，转动轴111可以是依据需求，以任何方式与轴体固定结构1121相互固定，于此不加以限制。The main body 112 includes a shaft fixing structure 1121, a plurality of guiding structures 1122, and a ring structure 1123. A shaft through groove 1121A is formed in the center of the shaft fixing structure 1121. The shaft through groove 1121A penetrates the shaft fixing structure 1121 along an axial direction L. The rotating shaft 111 passes through the shaft through groove 1121A, and the rotating shaft 111 and The bodies 112 are fixed to each other. The shaft fixing structure 1121 is mainly used to fix the rotating shaft 111. Therefore, the shape of the shaft fixing structure 1121 and the shaft through groove 1121A are designed according to the rotating shaft 111. In practical applications, after the rotating shaft 111 is inserted into the shaft through groove 1121A, the rotating shaft 111 can be fixed to the shaft fixing structure 1121 in any manner according to requirements, which is not limited herein.
各个导引结构1122的一长侧边与轴体固定结构1121相连接，且多个导引结构1122彼此间隔地排列设置。各个导引结构1122与轴体固定结构1121共同区隔出多个散热通道112A，各个散热通道112A贯穿本体112设置。各个散热通道112A于本体112彼此相反的两端分别形成一第一开口112B(如图8所示)及一第二开口112C(如图9所示)。关于第一开口112B及第二第二开口112C的尺寸、外型于此不加以限制，本实施例各图中所示仅 为其中一示范方式。A long side of each guide structure 1122 is connected to the shaft fixing structure 1121, and a plurality of guide structures 1122 are arranged in a spaced manner from each other. Each guide structure 1122 and the shaft fixing structure 1121 jointly partition a plurality of heat dissipation channels 112A, and each heat dissipation channel 112A is formed through the main body 112. Each heat dissipation channel 112A respectively forms a first opening 112B (as shown in FIG. 8) and a second opening 112C (as shown in FIG. 9) at opposite ends of the body 112. The size and appearance of the first opening 112B and the second second opening 112C are not limited here, and the drawings in this embodiment are only one of the exemplary methods.
各个导引结构1122彼此相反的两个长侧边分别连接所述轴体固定结构1121及所述环状结构1123。各个导引结构1122的一宽侧面11221、环状结构1123的一内侧面11231的部分区段及轴体固定结构1121的一外侧面11211的部分区段共同形成一个散热通道112A。在实际应用中，本体112的轴体固定结构1121、多个导引结构1122及环状结构1123可以是一体成型地设置。多个导引结构1122及环状结构1123主要是用来与所述轴体固定结构1121相互配合，以形成多个散热通道112A，因此，各个导引结构1122的外型、尺寸、排列方式，及环状结构1123的外型等，皆可依据需求变化，不以本实施例图中所示为限。The two long sides of each guiding structure 1122 opposite to each other connect the shaft fixing structure 1121 and the ring structure 1123 respectively. A wide side surface 11221 of each guiding structure 1122, a partial section of an inner side surface 11231 of the annular structure 1123, and a partial section of an outer side surface 11211 of the shaft fixing structure 1121 jointly form a heat dissipation channel 112A. In practical applications, the shaft fixing structure 1121 of the main body 112, the plurality of guiding structures 1122, and the ring structure 1123 may be integrally formed. The plurality of guide structures 1122 and the ring structure 1123 are mainly used to cooperate with the shaft fixing structure 1121 to form a plurality of heat dissipation channels 112A. Therefore, the appearance, size, and arrangement of each guide structure 1122 are as follows: The appearance of the ring structure 1123, etc., can be changed according to requirements, and is not limited to what is shown in the figure in this embodiment.
依上所述，通过多个散热通道112A的设计，当内转子11旋转时，位于内转子11外的空气，将可以通过多个第一开口112B，进入多个散热通道112A中，并由相对应的多个第二开口112C离开内转子11，从而将内转子11转动时所产生的热能带离内转子11。As mentioned above, through the design of multiple heat dissipation channels 112A, when the inner rotor 11 rotates, the air outside the inner rotor 11 can enter the multiple heat dissipation channels 112A through the multiple first openings 112B, and be separated by the phases. The corresponding plurality of second openings 112C leave the inner rotor 11, so as to take away the thermal energy generated when the inner rotor 11 rotates away from the inner rotor 11.
如图3及图4所示，在实际应用中，内转子11还可以包含一磁铁固定结构113。磁铁固定结构113套设于本体112的***，磁铁固定结构113的外侧面1131用以提供多个磁铁12固定。在实际应用中，磁铁固定结构113例如是高导磁性材料，而本体112则可以是非导磁性材料。特别说明的是，在内转子11包含磁铁固定结构113的实施例中，本体112可以是不具有所述环状结构1123，而本体112具有轴体固定结构1121及多个导引结构1122，多个散热通道112A则是由轴体固定结构1121、多个导引结构1122及磁铁固定结构113共同形成。As shown in FIGS. 3 and 4, in practical applications, the inner rotor 11 may also include a magnet fixing structure 113. The magnet fixing structure 113 is sleeved on the periphery of the main body 112, and the outer side surface 1131 of the magnet fixing structure 113 is used for fixing a plurality of magnets 12. In practical applications, the magnet fixing structure 113 is, for example, a high-permeability material, and the body 112 can be a non-magnetic material. In particular, in the embodiment where the inner rotor 11 includes the magnet fixing structure 113, the main body 112 may not have the annular structure 1123, and the main body 112 has the shaft fixing structure 1121 and a plurality of guiding structures 1122. The two heat dissipation channels 112A are formed by the shaft fixing structure 1121, a plurality of guiding structures 1122 and the magnet fixing structure 113.
请一并参阅图6至图10，图7为本发明的内转子的第一实施例的本体的局部剖面的立体示意图，图8为本发明的内转子的第一实施例的本体的局部剖面平面示意图，图9为本发明的内转子的第一实施例的本体的主视图，图10为本发明的内转子的第一实施例的本体的后视图。Please refer to FIGS. 6-10 together. FIG. 7 is a perspective view of a partial cross-section of the body of the first embodiment of the inner rotor of the present invention, and FIG. 8 is a partial cross-section of the body of the first embodiment of the inner rotor of the present invention In a schematic plan view, FIG. 9 is a front view of the body of the first embodiment of the inner rotor of the present invention, and FIG. 10 is a rear view of the body of the first embodiment of the inner rotor of the present invention.
如图6及图7所示，在实际应用中，为了使气体可以更好地进入各个散热通道112A中，各个导引结构1122的宽侧面11221的延伸面与垂直于轴心方向L的一平面S之间形成有一夹角θ，夹角θ可以是介于1度至30度。也就是说，如图8及图9所示，于本体112的主视图中，各个导引结构1122的宽侧面11221的一部分对应位于相邻的第一开口112B所围绕的区域A(如图8中所示网点区域)内；于本体112的后视图中，各个导引结构1122的宽侧面11221的一部分对应位于相邻的第二开口112C所围绕的区域B(如图9中所 示网点区域)内。另外，如图8所示，在本体112的主视图中，各个导引结构1122的中心轴线AX1可以是邻近于轴体通槽1121A的中心点P1；而，如图10所示，在本体的后视图中，各个导引结构1122的中心轴线AX2则是不通过轴体通槽1121A的中心点P1。As shown in Figures 6 and 7, in practical applications, in order to allow gas to better enter each heat dissipation channel 112A, the extension surface of the wide side surface 11221 of each guide structure 1122 is connected to a plane perpendicular to the axial direction L An included angle θ is formed between S, and the included angle θ can be between 1 degree and 30 degrees. That is, as shown in FIGS. 8 and 9, in the front view of the main body 112, a part of the wide side 11221 of each guide structure 1122 corresponds to the area A surrounded by the adjacent first opening 112B (as shown in FIG. 8 In the rear view of the main body 112, a part of the wide side 11221 of each guiding structure 1122 corresponds to the area B surrounded by the adjacent second opening 112C (the dot area shown in FIG. 9 )Inside. In addition, as shown in FIG. 8, in the front view of the main body 112, the center axis AX1 of each guide structure 1122 may be adjacent to the center point P1 of the shaft through groove 1121A; and, as shown in FIG. In the rear view, the central axis AX2 of each guide structure 1122 does not pass through the central point P1 of the shaft through groove 1121A.
请一并参阅图10至图12，图10显示为本发明的马达的第一实施例的剖面示意图，图11显示为本发明的马达的第一实施例的端盖的示意图，图12显示为本发明的马达的第一实施例的端盖的另一视角的示意图。马达1的两个端盖13固定于外定子10的两端。各个端盖13具有多个风口13A，各个风口13A与多个散热通道112A相连通(如图11所示)。如图11所示，当内转子11转动时，位于外定子10外的空气则能通过其中一个端盖13的风口13A进入内转子11的多个散热通道112A，并通过另一个端盖13的风口13A排出马达1。Please refer to FIGS. 10 to 12 together. FIG. 10 is a schematic cross-sectional view of the first embodiment of the motor of the present invention, FIG. 11 is a schematic view of the end cover of the first embodiment of the motor of the present invention, and FIG. 12 is shown as A schematic view of the end cap of the first embodiment of the motor of the present invention from another perspective. The two end covers 13 of the motor 1 are fixed to both ends of the outer stator 10. Each end cover 13 has a plurality of tuyere 13A, and each tuyere 13A communicates with a plurality of heat dissipation channels 112A (as shown in FIG. 11). As shown in Figure 11, when the inner rotor 11 rotates, the air located outside the outer stator 10 can enter the multiple heat dissipation channels 112A of the inner rotor 11 through the tuyere 13A of one end cover 13 and pass through the other end cover 13 The motor 1 is discharged from the tuyere 13A.
如图12及图13所示，各个端盖13彼此相反的两侧分别定义为一外侧面131及一内侧面132。在实际应用中，为了使马达1外部的空气，在内转子11转动的过程中，更容易地进入马达1内，风口13A可以是不直接形成于外侧面131，而端盖13的外侧面131可以是凸出形成有多个导风结构133，各个导风结构133具有一个所述风口13A，内侧面132内凹形成有多个导风凹槽134，各个导风凹槽134与一个风口13A相连通。其中，各个风口13A不是由外侧面131向内侧面132的方向贯穿端盖13形成，而各个风口13A是为在一入风平面，所述入风平面可以是垂直于外侧面131，且所述入风平面的法线方向是不平行于轴心方向L。在实际应用中，各个风口13A可以是依据内转子11的转动方向设计，如此，内转子11在旋转时，马达1外的空气将更容易通过风口13A进入内转子11的多个散热通道112A。在实际应用中，端盖13例如可以是金属材质，而各个导风结构133可以是利用冲压设备，由端盖13的内侧面132向外冲压形成，当然，端盖13的材质及导风结构133的形成方式，不以此为限。As shown in FIGS. 12 and 13, the opposite sides of each end cover 13 are defined as an outer side surface 131 and an inner side surface 132, respectively. In practical applications, in order to make the air outside the motor 1 easier to enter the motor 1 during the rotation of the inner rotor 11, the tuyere 13A may not be directly formed on the outer surface 131, but the outer surface 131 of the end cover 13 It may be that a plurality of air guiding structures 133 are protrudingly formed, each air guiding structure 133 has one air opening 13A, the inner side 132 is concavely formed with a plurality of air guiding grooves 134, each air guiding groove 134 and one air opening 13A Connected. Wherein, each tuyere 13A is not formed by penetrating the end cover 13 from the outer side surface 131 to the inner side surface 132, and each tuyere 13A is an air inlet plane, the air inlet plane may be perpendicular to the outer side surface 131, and the The normal direction of the inlet plane is not parallel to the axis direction L. In practical applications, each tuyere 13A can be designed according to the rotation direction of the inner rotor 11. In this way, when the inner rotor 11 is rotating, the air outside the motor 1 will more easily enter the multiple heat dissipation channels 112A of the inner rotor 11 through the tuyere 13A. In practical applications, the end cover 13 can be made of, for example, a metal material, and each air guide structure 133 can be formed by punching outward from the inner side 132 of the end cover 13 by using stamping equipment. Of course, the material of the end cover 13 and the air guide structure The formation of 133 is not limited to this.
请一并参阅图13至图15，图13为本发明的马达的第二实施例的示意图，图14为本发明的马达的第二实施例的分解示意图，图15为本发明的内转子设置有磁铁的第二实施例的示意图，图16为本发明的内转子设置有磁铁的第二实施例的主视图。如图13及图14所示，马达2包含一外定子20、一内转子21、多个磁铁22及两个端盖23。本实施例所指的外定子20与前述实施例所载的外定子20相同，于此不再赘述。本实施例与前述实施例最大不同之处在于，本实施例的马达2的内转子21与前一实施例的马达的内转子不相同。Please refer to FIGS. 13-15 together. FIG. 13 is a schematic diagram of the second embodiment of the motor of the present invention, FIG. 14 is an exploded schematic view of the second embodiment of the motor of the present invention, and FIG. 15 is an inner rotor arrangement of the present invention. A schematic diagram of the second embodiment with magnets, and FIG. 16 is a front view of the second embodiment of the inner rotor with magnets of the present invention. As shown in FIGS. 13 and 14, the motor 2 includes an outer stator 20, an inner rotor 21, a plurality of magnets 22 and two end covers 23. The outer stator 20 referred to in this embodiment is the same as the outer stator 20 contained in the previous embodiment, and will not be repeated here. The biggest difference between this embodiment and the previous embodiment is that the inner rotor 21 of the motor 2 of this embodiment is different from the inner rotor of the motor 2 of the previous embodiment.
具体来说，内转子21包含一转动轴211及一本体212。本体212具有一轴体通槽212A及多个散热通道212B，轴体通槽212A沿一轴心方向L贯穿本体设置，转动轴211穿设于轴体通槽212A，而转动轴211与本体212相互固定。多个散热通道212B沿轴心方向L贯穿本体212设置。Specifically, the inner rotor 21 includes a rotating shaft 211 and a body 212. The main body 212 has a shaft through groove 212A and a plurality of heat dissipation channels 212B. The shaft through groove 212A is arranged along a shaft direction L through the main body. The rotating shaft 211 penetrates through the shaft through groove 212A, and the rotating shaft 211 and the main body 212 Fixed to each other. A plurality of heat dissipation channels 212B are provided through the body 212 along the axial direction L.
在具体的应用中，本体212还可以是具有多个磁铁容槽212C及多个辅助容槽212D，各个磁铁容槽212C沿平行于轴心方向L的方向贯穿本体212设置。多个磁铁容槽212C邻近于本体212的外缘设置，各个磁铁容槽212C用以容置一个磁铁22。多个散热通道212B环绕轴体通槽212A设置，且多个散热通道212B位于轴体通槽212A与多个磁铁容槽212C之间。各个辅助容槽212D沿平行于轴心方向L的方向贯穿本体212设置，且各个辅助容槽212D用来降低彼此相邻的两个磁铁的磁力线相互干扰的问题。In a specific application, the main body 212 may also have a plurality of magnet pockets 212C and a plurality of auxiliary pockets 212D, and each magnet pocket 212C penetrates the main body 212 in a direction parallel to the axial direction L. A plurality of magnet accommodating slots 212C are arranged adjacent to the outer edge of the main body 212, and each magnet accommodating slot 212C is used for accommodating one magnet 22. A plurality of heat dissipation channels 212B are arranged around the shaft through groove 212A, and the plurality of heat dissipation channels 212B are located between the shaft through groove 212A and the plurality of magnet accommodating grooves 212C. Each auxiliary accommodating groove 212D is disposed through the main body 212 in a direction parallel to the axial direction L, and each auxiliary accommodating groove 212D is used to reduce the problem of mutual interference of magnetic lines of force of two adjacent magnets.
如图15及图16所示，在实际应用中，本体212可以是由多个硅钢片2121组成，多个硅钢片2121彼此相互固定而形成本体212，各个硅钢片2121具有一轴体穿孔21211、多个散热穿孔21212、多个磁铁穿孔21213及多个辅助穿孔21214，轴体穿孔21211位于各个硅钢片2121的中心，各个磁铁穿孔21213靠近轴体穿孔21211的一端设置有一个辅助穿孔21214，两个彼此相邻的散热穿孔21212之间设置有两个辅助穿孔21214。各个散热穿孔21212为圆形，各个散热穿孔21212的中心点P2与轴体穿孔21211的中心点P2的联机定义为一对称轴AX3，位于各个对称轴AX3两侧的磁铁穿孔21213及辅助穿孔21214彼此对称地设置。关于各个散热穿孔21212的外型不局限为圆形，在不同的应用中，散热穿孔21212可以是依据需求为任何外型。其中，各个辅助穿孔21214用来弱化两个彼此相邻的磁铁22的磁力相互干扰的情况。As shown in FIGS. 15 and 16, in practical applications, the main body 212 may be composed of a plurality of silicon steel sheets 2121, and the plurality of silicon steel sheets 2121 are fixed to each other to form the main body 212. Each silicon steel sheet 2121 has a shaft hole 21211, A plurality of heat dissipation holes 21212, a plurality of magnet holes 21213 and a plurality of auxiliary holes 21214. The shaft hole 21211 is located in the center of each silicon steel sheet 2121. Each magnet hole 21213 is provided with an auxiliary hole 21214 at one end close to the shaft hole 21211. Two auxiliary through holes 21214 are provided between the heat dissipation through holes 21212 adjacent to each other. Each heat dissipation perforation 21212 is circular. The connection between the center point P2 of each heat dissipation perforation 21212 and the center point P2 of the shaft perforation 21211 is defined as a symmetry axis AX3. The magnet perforation 21213 and the auxiliary perforation 21214 located on both sides of each symmetry axis AX3 are mutually connected. Set symmetrically. The shape of each heat dissipation through hole 21212 is not limited to a circular shape. In different applications, the heat dissipation through hole 21212 may have any shape according to requirements. Among them, each auxiliary perforation 21214 is used to weaken the mutual interference of the magnetic forces of two magnets 22 adjacent to each other.
特别强调的是，上述各实施例中所举例的内转子11、21，可以是单独被制造、贩卖，而上述内转子11、21不局限于仅可与外定子10、20组合为马达1、2一同贩卖。It is particularly emphasized that the inner rotors 11 and 21 exemplified in the above embodiments can be manufactured and sold separately, and the inner rotors 11 and 21 are not limited to being combined with the outer stators 10 and 20 to form a motor 1. 2 Sold together.
综上所述，本发明的内转子及马达，通过于内转子的本体中形成有多个散热通道的设计，可以让内转子在旋转的过程中，内转子外的空气能通过散热通道，而将内转子中的热能带离内转子，借此可降低内转子、马达因为散热不佳而发生故障的机率。In summary, the inner rotor and the motor of the present invention are designed with multiple heat dissipation channels formed in the body of the inner rotor, so that the air outside the inner rotor can pass through the heat dissipation channels while the inner rotor is rotating. The heat energy in the inner rotor is taken away from the inner rotor, thereby reducing the probability of failure of the inner rotor and the motor due to poor heat dissipation.

Claims (16)

  1. 一种内转子，其特征在于，所述内转子适用于安装于一马达的外定子中，所述内转子包含：An inner rotor, characterized in that the inner rotor is suitable for being installed in an outer stator of a motor, and the inner rotor comprises:
    一转动轴；A rotating shaft
    一本体，其具有一轴体通槽及多个散热通道，所述轴体通槽沿一轴心方向贯穿所述本体设置，所述转动轴穿设于所述轴体通槽，而所述转动轴与所述本体相互固定；多个所述散热通道贯穿所述本体设置，且各个所述散热通道于所述本体彼此相反的两端分别形成一第一开口及一第二开口；A body having a shaft through groove and a plurality of heat dissipation channels, the shaft through groove is arranged along an axis direction through the body, the rotating shaft is penetrated through the shaft through groove, and the The rotating shaft and the main body are fixed to each other; a plurality of the heat dissipation channels are provided through the main body, and each of the heat dissipation channels respectively forms a first opening and a second opening at the opposite ends of the main body;
    其中，所述内转子旋转时，外部的空气能由各个所述第一开口进入相对应的所述散热通道，并通过所述第二开口离开所述内转子，从而带走所述内转子旋转时所产生的热能。Wherein, when the inner rotor rotates, external air can enter the corresponding heat dissipation channel through each of the first openings, and leave the inner rotor through the second openings, thereby taking away the inner rotor from rotating. The heat generated at the time.
  2. 依据权利要求1所述的内转子，其特征在于，所述本体还具有多个磁铁容槽，各个所述磁铁容槽沿平行于所述轴心方向的方向贯穿所述本体设置；多个所述磁铁容槽邻近于所述本体的外缘设置，各个所述磁铁容槽用以容置一磁铁；各个所述散热通道沿平行于所述轴心方向的方向贯穿所述本体设置；多个所述散热通道环绕所述轴体通槽设置，且多个所述散热通道位于所述轴体通槽与多个所述磁铁容槽之间。The inner rotor according to claim 1, wherein the body further has a plurality of magnet pockets, and each of the magnet pockets is disposed through the body in a direction parallel to the axial direction; The magnet accommodating grooves are arranged adjacent to the outer edge of the main body, and each of the magnet accommodating grooves is used for accommodating a magnet; each of the heat dissipation channels is arranged through the main body in a direction parallel to the axial direction; a plurality of The heat dissipation channel is arranged around the shaft through groove, and a plurality of the heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
  3. 依据权利要求2所述的内转子，其特征在于，所述本体由多个硅钢片组成，多个所述硅钢片彼此相互固定而形成所述本体，各个所述硅钢片具有一轴体穿孔、多个散热穿孔、多个磁铁穿孔及多个辅助穿孔，所述轴体穿孔位于各个所述硅钢片的中心，各个所述辅助穿孔邻近于各个所述磁铁穿孔靠近所述轴体穿孔的一端设置，两个彼此相邻的所述散热穿孔之间设置有两个所述辅助穿孔；各个所述散热穿孔为圆形，各个所述散热穿孔的中心与所述轴体穿孔的中心的联机定义为一对称轴，位于各个所述对称轴两侧的所述磁铁穿孔及所述辅助穿孔彼此对称地设置。The inner rotor according to claim 2, wherein the main body is composed of a plurality of silicon steel sheets, and a plurality of the silicon steel sheets are fixed to each other to form the main body, and each of the silicon steel sheets has a shaft hole, A plurality of heat dissipation through holes, a plurality of magnet through holes and a plurality of auxiliary holes, the shaft hole is located in the center of each silicon steel sheet, and each of the auxiliary holes is arranged adjacent to the end of each magnet hole close to the shaft hole , Two auxiliary perforations are provided between two adjacent heat dissipation perforations; each heat dissipation perforation is circular, and the connection between the center of each heat dissipation perforation and the center of the shaft body perforation is defined as A symmetry axis, the magnet perforation and the auxiliary perforation located on both sides of each symmetry axis are symmetrically arranged with each other.
  4. 依据权利要求1所述的内转子，其特征在于，所述本体包含：The inner rotor according to claim 1, wherein the body comprises:
    一轴体固定结构，其中心形成有所述轴体通槽，所述转动轴与所述轴体固定结构相互固定；A shaft fixing structure, the shaft through groove is formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other;
    多个导引结构，各个所述导引结构的一长侧边与所述轴体固定结构相连接，且多个所述导引结构彼此间隔地排列设置，而彼此相邻的两个所述导引结构与所述轴体固定结构共同区隔出一个所述散热通道。A plurality of guiding structures, one long side of each of the guiding structures is connected to the shaft fixing structure, and a plurality of the guiding structures are arranged spaced apart from each other, and the two adjacent to each other The guiding structure and the shaft fixing structure jointly partition a heat dissipation channel.
  5. 依据权利要求4所述的内转子，其特征在于，所述本体还包含一环状结构，各个所 述导引结构相反于与所述轴体固定结构相连接的长侧边与所述环状结构相连接；而所述环状结构、多个所述导引结构及所述轴体固定结构共同于所述本体内形成多个所述散热通道；各个所述导引结构的一宽侧面、所述环状结构的一内侧面的部分区段及所述轴体固定结构的一外侧面的部分区段共同形成一个所述散热通道；其中，所述内转子还包含一磁铁固定结构，所述磁铁固定结构套设于所述本体的***，所述磁铁固定结构相反于所述本体的一侧用以设置多个磁铁。The inner rotor according to claim 4, wherein the body further comprises a ring structure, and each of the guide structures is opposite to the long side connected to the shaft fixing structure and the ring structure. The structures are connected; and the annular structure, the plurality of guide structures, and the shaft fixing structure jointly form a plurality of the heat dissipation channels in the body; a wide side of each of the guide structures, A partial section of an inner side surface of the annular structure and a partial section of an outer side surface of the shaft fixing structure jointly form the heat dissipation channel; wherein the inner rotor further includes a magnet fixing structure, so The magnet fixing structure is sleeved on the periphery of the main body, and a side of the magnet fixing structure opposite to the main body is used for arranging a plurality of magnets.
  6. 依据权利要求5所述的内转子，其特征在于，各个所述导引结构的所述宽侧面与垂直于所述轴心方向的一平面之间形成有一夹角，所述夹角介于1度至30度。The inner rotor according to claim 5, wherein the wide side surface of each guide structure forms an included angle with a plane perpendicular to the axial direction, and the included angle is between 1. Degree to 30 degrees.
  7. 依据权利要求5所述的内转子，其特征在于，于所述本体的主视图中，各个所述导引结构的所述宽侧面的一部分对应位于相邻的所述第一开口所围绕的区域内；于所述本体的后视图中，各个所述导引结构的所述宽侧面的一部分对应位于相邻的所述第二开口所围绕的区域内。The inner rotor according to claim 5, wherein, in the front view of the main body, a part of the wide side surface of each of the guiding structures corresponds to the area surrounded by the adjacent first opening In; in the rear view of the body, a part of the wide side of each of the guiding structures is correspondingly located in the area surrounded by the adjacent second opening.
  8. 一种马达，其特征在于，所述马达包含：A motor, characterized in that the motor comprises:
    一外定子，其内部具有多个线圈卷绕结构，多个所述线圈卷绕结构彼此间隔地设置，各个所述线圈卷绕结构缠绕有漆包线圈；所述外定子内具有一容置通道；An outer stator with a plurality of coil winding structures inside, the plurality of coil winding structures are spaced apart from each other, and each of the coil winding structures is wound with an enameled coil; the outer stator has an accommodating channel;
    一内转子，其设置于所述容置通道中，所述内转子包含：An inner rotor, which is arranged in the accommodating passage, and the inner rotor includes:
    一转动轴；A rotating shaft
    一本体，其具有一轴体通槽及多个散热通道，所述轴体通槽沿一轴心方向贯穿所述本体设置，所述转动轴穿设于所述轴体通槽，而所述转动轴与所述本体相互固定；多个所述散热通道贯穿所述本体设置，且各个所述散热通道于所述本体彼此相反的两端分别形成一第一开口及一第二开口；A body having a shaft through groove and a plurality of heat dissipation channels, the shaft through groove is arranged along an axis direction through the body, the rotating shaft is penetrated through the shaft through groove, and the The rotating shaft and the main body are fixed to each other; a plurality of the heat dissipation channels are provided through the main body, and each of the heat dissipation channels respectively forms a first opening and a second opening at the opposite ends of the main body;
    多个磁铁，其设置于所述内转子，且多个所述磁铁位于所述内转子的外缘；A plurality of magnets arranged on the inner rotor, and the plurality of magnets are located on the outer edge of the inner rotor;
    其中，所述内转子旋转时，外部的空气能由各个所述第一开口进入相对应的所述散热通道，并通过所述第二开口离开所述内转子，从而带走所述内转子旋转时所产生的热能。Wherein, when the inner rotor rotates, external air can enter the corresponding heat dissipation channel through each of the first openings, and leave the inner rotor through the second openings, thereby taking away the inner rotor from rotating. The heat generated at the time.
  9. 依据权利要求8所述的马达，其特征在于，所述本体还具有多个磁铁容槽，各个所述磁铁容槽沿平行于所述轴心方向的方向贯穿所述本体设置；多个所述磁铁容槽邻近于所述本体的外缘设置，各个所述磁铁容槽用以容置一磁铁；各个所述散热通道沿平行于所述轴心方向的方向贯穿所述本体设置；多个所述散热通道环绕所述轴体通槽设置，且多个所述散热通道位于所述轴体通槽与多个所述磁铁容槽之间。8. The motor according to claim 8, wherein the body further has a plurality of magnet pockets, and each of the magnet pockets is disposed through the body in a direction parallel to the axial direction; a plurality of the The magnet accommodating grooves are arranged adjacent to the outer edge of the main body, and each of the magnet accommodating grooves is used for accommodating a magnet; each of the heat dissipation channels is arranged through the main body in a direction parallel to the axial direction; The heat dissipation channel is arranged around the shaft through groove, and a plurality of the heat dissipation channels are located between the shaft through groove and the plurality of magnet accommodating grooves.
  10. 依据权利要求9所述的马达，其特征在于，所述本体由多个硅钢片组成，多个所述硅钢片彼此相互固定而形成所述本体，各个所述硅钢片具有一轴体穿孔、多个散热穿孔、多个磁铁穿孔及多个辅助穿孔，所述轴体穿孔位于各个所述硅钢片的中心，各个所述辅助穿孔邻近于各个所述磁铁穿孔靠近所述轴体穿孔的一端设置，两个彼此相邻的所述散热穿孔之间设置有两个所述辅助穿孔；各个所述散热穿孔为圆形，各个所述散热穿孔的中心与所述轴体穿孔的中心的联机定义为一对称轴，位于各个所述对称轴两侧的所述磁铁穿孔及所述辅助穿孔彼此对称地设置。The motor according to claim 9, wherein the main body is composed of a plurality of silicon steel sheets, and a plurality of the silicon steel sheets are fixed to each other to form the main body, and each of the silicon steel sheets has a shaft perforation and multiple silicon steel sheets. A heat dissipation hole, a plurality of magnet holes and a plurality of auxiliary holes, the shaft hole is located at the center of each silicon steel sheet, and each auxiliary hole is arranged adjacent to the end of each magnet hole close to the shaft hole, Two auxiliary perforations are provided between two adjacent heat dissipation perforations; each of the heat dissipation perforations is circular, and the connection between the center of each heat dissipation perforation and the center of the shaft body perforation is defined as one The symmetry axis, the magnet perforation and the auxiliary perforation located on both sides of each symmetry axis are symmetrically arranged with each other.
  11. 依据权利要求8所述的马达，其特征在于，所述本体包含：The motor according to claim 8, wherein the body comprises:
    一轴体固定结构，其中心形成有所述轴体通槽，所述转动轴与所述轴体固定结构相互固定；A shaft fixing structure, the shaft through groove is formed in the center, and the rotating shaft and the shaft fixing structure are fixed to each other;
    多个导引结构，各个所述导引结构的一长侧边与所述轴体固定结构相连接，且多个所述导引结构彼此间隔地排列设置，而彼此相邻的两个所述导引结构与所述轴体固定结构共同形成一个所述散热通道。A plurality of guiding structures, one long side of each of the guiding structures is connected to the shaft fixing structure, and a plurality of the guiding structures are arranged spaced apart from each other, and the two adjacent to each other The guiding structure and the shaft fixing structure jointly form the heat dissipation channel.
  12. 依据权利要求11所述的马达，其特征在于，所述本体还包含一环状结构，各个所述导引结构相反于与所述轴体固定结构相连接的长侧边与所述环状结构相连接；而所述环状结构、多个所述导引结构及所述轴体固定结构共同于所述本体内形成多个所述散热通道；各个所述导引结构的一宽侧面、所述环状结构的一内侧面的部分区段及所述轴体固定结构的一外侧面的部分区段共同形成一个所述散热通道；其中，所述内转子还包含一磁铁固定结构，所述磁铁固定结构套设于所述本体的***，所述磁铁固定结构相反于所述本体的一侧用以设置多个磁铁。The motor according to claim 11, wherein the body further comprises a ring structure, each of the guide structures is opposite to the long side connected to the shaft fixing structure and the ring structure Are connected; and the ring structure, the plurality of guide structures and the shaft fixing structure jointly form a plurality of the heat dissipation channels in the body; a wide side of each of the guide structures, the A partial section of an inner side surface of the annular structure and a partial section of an outer side surface of the shaft fixing structure jointly form the heat dissipation channel; wherein, the inner rotor further includes a magnet fixing structure, and The magnet fixing structure is sleeved on the periphery of the main body, and a side of the magnet fixing structure opposite to the main body is used for arranging a plurality of magnets.
  13. 依据权利要求12所述的马达，其特征在于，各个所述导引结构的所述宽侧面与垂直于所述轴心方向的一平面之间形成有一夹角，所述夹角介于1度至30度。The motor according to claim 12, wherein an included angle is formed between the wide side surface of each guide structure and a plane perpendicular to the axial direction, and the included angle is between 1 degree To 30 degrees.
  14. 依据权利要求12所述的马达，其特征在于，于所述本体的主视图中，各个所述导引结构的所述宽侧面的一部分对应位于相邻的所述第一开口所围绕的区域内；于所述本体的后视图中，各个所述导引结构的所述宽侧面的一部分对应位于相邻的所述第二开口所围绕的区域内。The motor according to claim 12, wherein in the front view of the main body, a part of the wide side surface of each of the guiding structures is correspondingly located in the area surrounded by the adjacent first opening In the rear view of the body, a part of the wide side surface of each of the guiding structures is correspondingly located in the area surrounded by the adjacent second opening.
  15. 依据权利要求8所述的马达，其特征在于，所述马达还包含两个端盖，两个所述端盖固定于所述外定子的两端；各个所述端盖具有多个风口，各个所述风口与多个所述散热通道相连通；当所述内转子转动时，位于所述外定子外的空气能通过其中一个所述端盖 的所述风口进入所述内转子的多个所述散热通道，并通过另一个所述端盖的所述风口排出所述马达。The motor according to claim 8, wherein the motor further comprises two end covers, the two end covers are fixed to the two ends of the outer stator; each of the end covers has a plurality of tuyere, each The tuyere communicates with a plurality of the heat dissipation channels; when the inner rotor rotates, the air located outside the outer stator can enter the plurality of all the inner rotors through the tuyere of one of the end caps. The heat dissipation channel is exhausted from the motor through the tuyere of the other end cover.
  16. 依据权利要求15所述的马达，其特征在于，各个所述端盖彼此相反的两侧分别定义为一外侧面及一内侧面，所述外侧面凸出形成有多个导风结构，各个所述导风通道具有一个所述风口，所述内侧面内凹形成有多个导风凹槽，各个所述导风凹槽与一个所述风口相连通，各个所述风口位于一入风平面，所述入风平面的法线方向垂直于所述轴心方向。The motor according to claim 15, wherein the opposite sides of each of the end caps are defined as an outer side surface and an inner side surface respectively, and the outer side surface is protrudingly formed with a plurality of wind guiding structures, each of which The air guiding channel has one air opening, a plurality of air guiding grooves are concavely formed on the inner side surface, each of the air guiding grooves communicates with one of the air openings, and each of the air openings is located on an air inlet plane, The normal direction of the air inlet plane is perpendicular to the axis direction.
PCT/CN2019/129162 2019-12-27 2019-12-27 Internal rotor and motor WO2021128274A1 (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014140274A (en) * 2013-01-21 2014-07-31 Kobe Steel Ltd Electric motor
CN104143892A (en) * 2013-05-08 2014-11-12 三菱电机株式会社 Embedded permanent magnet rotary electric machine
CN204013087U (en) * 2014-06-23 2014-12-10 比亚迪股份有限公司 Motor and there is its electric automobile
CN104505974A (en) * 2014-12-26 2015-04-08 东莞光洋信息科技有限公司 Hub generator
CN204681177U (en) * 2015-06-09 2015-09-30 苏州汇川技术有限公司 External rotor electric machine and air compressor machine
CN106451866A (en) * 2016-12-05 2017-02-22 北京金风科创风电设备有限公司 Motor rotor support and motor
CN207910584U (en) * 2017-12-30 2018-09-25 无锡汉和航空技术有限公司 Inner-rotor brushless motor of the band from cooling mechanism

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014140274A (en) * 2013-01-21 2014-07-31 Kobe Steel Ltd Electric motor
CN104143892A (en) * 2013-05-08 2014-11-12 三菱电机株式会社 Embedded permanent magnet rotary electric machine
CN204013087U (en) * 2014-06-23 2014-12-10 比亚迪股份有限公司 Motor and there is its electric automobile
CN104505974A (en) * 2014-12-26 2015-04-08 东莞光洋信息科技有限公司 Hub generator
CN204681177U (en) * 2015-06-09 2015-09-30 苏州汇川技术有限公司 External rotor electric machine and air compressor machine
CN106451866A (en) * 2016-12-05 2017-02-22 北京金风科创风电设备有限公司 Motor rotor support and motor
CN207910584U (en) * 2017-12-30 2018-09-25 无锡汉和航空技术有限公司 Inner-rotor brushless motor of the band from cooling mechanism

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