CN209200780U - A kind of permanent-magnetic synchronous motor rotor - Google Patents
A kind of permanent-magnetic synchronous motor rotor Download PDFInfo
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- CN209200780U CN209200780U CN201821467358.5U CN201821467358U CN209200780U CN 209200780 U CN209200780 U CN 209200780U CN 201821467358 U CN201821467358 U CN 201821467358U CN 209200780 U CN209200780 U CN 209200780U
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- rotor body
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- magnetism
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Abstract
The utility model discloses a kind of permanent-magnetic synchronous motor rotors, including rotor body, magnetism-isolating loop and rotor core, rotor core is set to inside rotor body, even number of permanent magnets group is fixedly installed inside rotor core, sliding slot is set between set of permanent magnets, sliding slot bottom end connects magnetism-isolating loop, guide pipe is fixedly installed on magnetism-isolating loop, reset spring is set inside guide pipe, reset spring is fixedly connected with magnetic field shielding block, the top of magnetic field shielding block does not extend between set of permanent magnets, several radiating fins are fixedly installed in rotor body outer wall, heat dissipation film is set inside rotor body, several heat release holes are fixedly installed on rotor body.The utility model passes through setting radiating fin and heat dissipation film; the heat generated inside motor internal heat and rotor body can be distributed in time; it plays a protective role to rotor body and motor; and the utility model can make magnetic flux path change according to the rotation speed change of rotor body; meet the needs of electric machine speed regulation, improves motor delivery efficiency.
Description
Technical field
The utility model relates to permanent-magnetic synchronous motor rotor technical field, specifically a kind of permanent-magnetic synchronous motor rotor.
Background technique
In general motor is made of rotor and stator two parts, can be realized electric energy and mechanical energy or mechanical energy with
A kind of device mutually converted between electric energy, permanent magnet synchronous motor belong to one kind of motor, and permasyn morot is with its brilliance
Performance, many achievements have been achieved in terms of control strategy, permasyn morot will necessarily be widely used in national warp
In the every field of Ji, permanent-magnetic synchronous motor rotor is the component rotated in permanent magnet synchronous motor, is forever as its name suggests
Indispensable a part in magnetic-synchro motor form.In permanent magnet synchronous motor operation process, big calorimetric can be generated inside motor
Amount, internal rotor can also generate amount of heat, if heat sheds not in time, will cause motor inside and internal rotor temperature liter
Height, motor and rotor hot soak condition not only will affect the service life of motor and rotor, can also bring security risk,
And permanent magnet synchronous motor generates excitation field by permanent magnet, and it is constant indefinite that magnetic field strength is in general, this is to motor
Speed regulation needs to affect, and affects the delivery efficiency of motor.
Summary of the invention
It solves the problems, such as
For in existing permanent-magnetic synchronous motor rotor operation process, inside motor and internal rotor can generate amount of heat,
If heat sheds not in time, can the service life of rotor and motor be affected and be brought security risk, and rotor
Delivery efficiency is relatively low, it is difficult to meet the problem of speed regulation of rotor needs, the purpose of this utility model is to provide a kind of permanent magnetism is same
Rotor is walked, to solve the problems mentioned in the above background technology.
Technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of permanent-magnetic synchronous motor rotor, including rotor body, magnetism-isolating loop and rotor core, the rotor body are cylinder
Shape structure, rotor core are set to inside rotor body, and magnetism-isolating loop is set to rotor core inner geometry center, magnetism-isolating loop
Even number of permanent magnets group is fixedly installed in inner hollow, the rotor core inside, and set of permanent magnets is disposed in proximity in rotor core
Portion's peripheral position, set of permanent magnets are arcuate structure, and sliding slot is arranged between the set of permanent magnets, and sliding slot is set in rotor core
Portion, sliding slot number are identical as set of permanent magnets number.
As a further solution of the present invention: the set of permanent magnets includes the pole permanent magnet N and permanent magnet S pole, it is same
The pole permanent magnet N and permanent magnet S pole in set of permanent magnets are correspondingly arranged, the pole permanent magnet N and permanent magnet S between adjacent permanent magnet groups
Pole is correspondingly arranged.
The sliding slot is set to the centre bit between adjacent permanent magnet groups as a further solution of the present invention,
It sets, sliding slot bottom end connects magnetism-isolating loop, guide pipe is fixedly installed on the magnetism-isolating loop, guide pipe is set to inside sliding slot, guide pipe
Inside setting reset spring, described reset spring one end are fixedly connected with magnetism-isolating loop, and the reset spring other end is fixedly connected with magnetic field screen
Cover block.
The inner wall of the guide pipe is bonded reset spring outer surface, guiding as a further solution of the present invention,
Tube top end in contact magnetic field shielding block bottom, the top of magnetic field shielding block do not extend between set of permanent magnets, when rotor body revolving speed increases
When big, because being moved by centrifugal force to far from magnetism-isolating loop direction, reset spring elongation, magnetic field shielding block protrudes into forever magnetic field shielding block
Position between magnet group, leakage magnetic flux increase, and it is logical to thereby reduce effective excitation, conversely, leakage magnetic flux reduces, effective excitation is logical to be increased
Greatly, can be improved the speed of service of motor, the centrifugal movement of magnetic field shielding block make it is more stable in rotor body rotation process, no
Beat phenomenon can be generated, guide pipe plays guiding role, is conducive to the elongation and reset of reset spring.
Several radiating fins are fixedly installed in the rotor body outer wall as a further solution of the present invention, dissipate
The setting of hot fin uniform intervals, radiating fin are ramp-like configuration, in rotor body rotation process, drive radiating fin is synchronous to turn
It is dynamic, the flowing of motor inner air is driven, the heat that motor internal heat and rotor body generate is distributed.
Heat dissipation film is set inside the rotor body as a further solution of the present invention, is consolidated on rotor body
Several heat release holes are set surely, and the heat dissipation film is set between rotor core and rotor body, and rotor iron is wrapped up on the inside of heat dissipation film
Outer core, heat dissipation film are made of electrographite material, and heat radiator performance is splendid, and described heat release hole one end connects heat dissipation film, dissipate
The hot hole other end and external communication, heat release hole opening are set between adjacent heat radiation fin, in rotor body rotation process, are turned
Sub- body interior can generate amount of heat, and heat dissipation film absorbs the heat generated in rotor core use process, and passes through heat release hole
Heat is distributed outward, and radiating fin rotation further speeds up distributing for heat, the temperature inside rotor body reduced, if rotor sheet
Body hot soak condition not only will affect the service life of rotor body, can also bring security risk.
Beneficial effect
Compared with prior art, the utility model has the beneficial effects that
(1) even number of permanent magnets group is fixedly installed inside the rotor core of the utility model, set of permanent magnets is disposed in proximity to
Rotor core inner peripheral position, set of permanent magnets include the pole permanent magnet N and permanent magnet S pole, the permanent magnet in same set of permanent magnets
The pole N and permanent magnet S pole are correspondingly arranged, and the pole permanent magnet N and permanent magnet S pole between adjacent permanent magnet groups are correspondingly arranged, permanent magnet
Sliding slot is set between group, and sliding slot number is identical as set of permanent magnets number, and sliding slot is set to the centre bit between adjacent permanent magnet groups
It sets, sliding slot bottom end connects magnetism-isolating loop, guide pipe is fixedly installed on magnetism-isolating loop, guide pipe is set to inside sliding slot, inside guide pipe
Reset spring is set, and reset spring one end is fixedly connected with magnetism-isolating loop, and the reset spring other end is fixedly connected with magnetic field shielding block, guiding
The inner wall of pipe is bonded reset spring outer surface, and guide pipe tip contact magnetic field shielding block bottom, the top of magnetic field shielding block is not stretched
Enter between set of permanent magnets, when rotor body revolving speed increases, magnetic field shielding block by centrifugal force to far from magnetism-isolating loop direction because being transported
Dynamic, reset spring elongation, magnetic field shielding block protrudes into the position between set of permanent magnets, and leakage magnetic flux increases, thereby reduces and effectively encourage
Magnetic flux, conversely, leakage magnetic flux reduces, effective excitation is logical to be increased, and the speed of service of motor, the centrifugation fortune of magnetic field shielding block can be improved
It is dynamic to make more stable in rotor body rotation process, beat phenomenon will not be generated, guide pipe plays guiding role, is conducive to reset
The elongation and reset of spring.
(2) several radiating fins are fixedly installed in the rotor body outer wall of the utility model, and radiating fin uniform intervals are arranged,
Radiating fin is ramp-like configuration, in rotor body rotation process, radiating fin is driven to rotate synchronously, drives motor inner air
Flowing distributes the heat that motor internal heat and rotor body generate.
(3) heat dissipation film of the utility model is set between rotor core and rotor body, and rotor is wrapped up on the inside of heat dissipation film
Iron core outer wall, heat dissipation film are made of electrographite material, and heat radiator performance is splendid, and heat release hole one end connects heat dissipation film, heat dissipation
The hole other end and external communication, heat release hole opening are set between adjacent heat radiation fin, in rotor body rotation process, rotor
Body interior can generate amount of heat, and heat dissipation film absorbs the heat generated in rotor core use process, and by heat release hole to
Heat is distributed outside, and radiating fin rotation further speeds up distributing for heat, the temperature inside rotor body reduced, if rotor body
Hot soak condition not only will affect the service life of rotor body, can also bring security risk.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of permanent-magnetic synchronous motor rotor.
Fig. 2 is a kind of partial enlarged view of part A in permanent-magnetic synchronous motor rotor.
In figure: 1, rotor body；2, magnetism-isolating loop；3, rotor core；4, set of permanent magnets；5, the pole permanent magnet N；6, permanent magnet S
Pole；7, heat dissipation film；8, sliding slot；9, heat release hole；10, radiating fin；11, magnetic field shielding block；12, guide pipe；13, reset spring.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of permanent-magnetic synchronous motor rotor, including rotor body 1, every
Magnet ring 2 and rotor core 3, the rotor body 1 are cylindrical structure, and rotor core 3 is set to inside rotor body 1, every magnetic
Ring 2 is set to 3 inner geometry center of rotor core, 2 inner hollow of magnetism-isolating loop, is fixedly installed inside the rotor core 3
Even number of permanent magnets group 4, set of permanent magnets 4 are disposed in proximity to 3 inner peripheral position of rotor core, and set of permanent magnets 4 is arc knot
Sliding slot 8 is arranged between the set of permanent magnets 4 for structure, and sliding slot 8 is set to inside rotor core 3,8 number of sliding slot and set of permanent magnets 4
Number is identical.
The set of permanent magnets 4 includes the pole permanent magnet N 5 and permanent magnet S pole 6, the pole permanent magnet N 5 in same set of permanent magnets 4
It is correspondingly arranged with permanent magnet S pole 6, the pole permanent magnet N 5 and permanent magnet S pole 6 between adjacent permanent magnet groups 4 are correspondingly arranged.
The sliding slot 8 is set to the center between adjacent permanent magnet groups 4, and 8 bottom end of sliding slot connects magnetism-isolating loop 2, described
Guide pipe 12 is fixedly installed on magnetism-isolating loop 2, guide pipe 12 is set to inside sliding slot 8, reset spring 13 is set inside guide pipe 12,
Described 13 one end of reset spring is fixedly connected with magnetism-isolating loop 2, and 13 other end of reset spring is fixedly connected with magnetic field shielding block 11.
The inner wall of the guide pipe 12 is bonded 13 outer surface of reset spring, 12 tip contact magnetic field shielding block of guide pipe, 11 bottom
Portion, the top of magnetic field shielding block 11 do not extend between set of permanent magnets 4, when 1 revolving speed of rotor body increase when, magnetic field shielding block 11 because
It is moved by centrifugal force to far from 2 direction of magnetism-isolating loop, reset spring 13 extends, and magnetic field shielding block 11 protrudes between set of permanent magnets 4
Position, leakage magnetic flux increases, and it is logical to thereby reduce effective excitation, conversely, leakage magnetic flux reduces, effective excitation is logical to be increased, Ke Yiti
The speed of service of high motor, the centrifugal movement of magnetic field shielding block 11 make more stable in 1 rotation process of rotor body, will not generate
Beat phenomenon, guide pipe 12 play guiding role, are conducive to the elongation and reset of reset spring 13.
Several radiating fins 10, the setting of 10 uniform intervals of radiating fin, radiating fin is fixedly installed in 1 outer wall of rotor body
Piece 10 is ramp-like configuration, in 1 rotation process of rotor body, radiating fin 10 is driven to rotate synchronously, drives motor inner air
Flowing, the heat that motor internal heat and rotor body 1 generate is distributed.
Heat dissipation film 7 is set inside the rotor body 1, several heat release holes 9, the heat dissipation is fixedly installed on rotor body 1
Film 7 is set between rotor core 3 and rotor body 1,3 outer wall of rotor core is wrapped up on the inside of heat dissipation film 7, heat dissipation film 7 is by artificial
Graphite material is made, and heat radiator performance is splendid, and described 9 one end of heat release hole connects heat dissipation film 7,9 other end of heat release hole and outside
Connection, 9 opening of heat release hole are set between adjacent heat radiation fin 10, in 1 rotation process of rotor body, inside rotor body 1
Amount of heat can be generated, heat dissipation film 7 absorbs the heat generated in 3 use process of rotor core, and distributes outward by heat release hole 9
Heat, the rotation of radiating fin 10 further speeds up distributing for heat, reduces the temperature inside rotor body 1, if rotor body 1 is long
Phase, which is in the condition of high temperature, not only will affect the service life of rotor body 1, can also bring security risk.
The working principle of the utility model is: rotor body 1 is rotated first when using the utility model, work as rotor
When 1 revolving speed of ontology increases, because being moved by centrifugal force to far from 2 direction of magnetism-isolating loop, reset spring 13 extends magnetic field shielding block 11,
Magnetic field shielding block 11 protrudes into the position between set of permanent magnets 4, and leakage magnetic flux increases, and thereby reduces effective excitation and leads to, conversely, leakage field
Logical to reduce, effective excitation is logical to be increased, and the position of magnetic field shielding block 11 is automatically adjusted according to the revolving speed of rotor body 1, passes through magnetic field
The change in location of shielding slab 11 makes magnetic flux path change, and meets the needs of electric machine speed regulation, improves motor delivery efficiency, magnetic
The centrifugal movement of shielding slab 11 makes more stable in 1 rotation process of rotor body, will not generate beat phenomenon, guide pipe 12 rises
To guiding role, be conducive to the elongation and reset of reset spring 13, in 1 rotation process of rotor body, drive radiating fin 10 same
Step rotation drives the flowing of motor inner air, motor internal heat is distributed, in 1 rotation process of rotor body, rotor sheet
Also amount of heat can be generated inside body 1, heat dissipation film 7 absorbs the heat generated in 3 use process of rotor core, and passes through heat dissipation
Hole 9 distributes heat outward, and the rotation of radiating fin 10 further speeds up distributing for heat, reduces the temperature inside rotor body 1, if
1 hot soak condition of rotor body not only will affect the service life of rotor body 1, can also bring security risk.This reality
With novel by setting radiating fin 10 and heat dissipation film 7, will can be generated inside motor internal heat and rotor body 1 in time
Heat distributes, and plays a protective role to rotor body 1 and motor, and the utility model can be according to rotor body 1
Rotation speed change makes magnetic flux path change, and meets the needs of electric machine speed regulation.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (3)
1. a kind of permanent-magnetic synchronous motor rotor, including rotor body (1), magnetism-isolating loop (2) and rotor core (3), which is characterized in that
The rotor body (1) is cylindrical structure, and rotor core (3) is set to rotor body (1) inside, and magnetism-isolating loop (2) is set to
Rotor core (3) inner geometry center, magnetism-isolating loop (2) inner hollow, the rotor core (3) is internal to be fixedly installed even number
A set of permanent magnets (4), set of permanent magnets (4) are disposed in proximity to rotor core (3) inner peripheral position, and set of permanent magnets (4) is arc
Sliding slot (8) are arranged between the set of permanent magnets (4) in structure, and it is internal that sliding slot (8) is set to rotor core (3), sliding slot (8) number
Identical as set of permanent magnets (4) number, the sliding slot (8) is set to the center between adjacent permanent magnet groups (4), sliding slot (8)
Bottom end connects magnetism-isolating loop (2), and guide pipe (12) are fixedly installed on the magnetism-isolating loop (2), and guide pipe (12) is set in sliding slot (8)
Portion, guide pipe (12) is internal to be arranged reset spring (13), and described reset spring (13) one end is fixedly connected magnetism-isolating loop (2), is resetted
Spring (13) other end is fixedly connected magnetic field shielding block (11), and several radiating fins are fixedly installed in rotor body (1) outer wall
(10), radiating fin (10) uniform intervals are arranged, and radiating fin (10) is ramp-like configuration, set inside the rotor body (1)
It sets heat dissipation film (7), is fixedly installed on rotor body (1) several heat release holes (9), the heat dissipation film (7) is set to rotor core (3)
Between rotor body (1), rotor core (3) outer wall is wrapped up on the inside of heat dissipation film (7), heat dissipation film (7) is by electrographite material system
At described heat release hole (9) one end connects heat dissipation film (7), and heat release hole (9) other end and external communication, heat release hole (9) opening are set
It is placed between adjacent heat radiation fin (10).
2. a kind of permanent-magnetic synchronous motor rotor according to claim 1, which is characterized in that the set of permanent magnets (4) includes
The pole permanent magnet N (5) and permanent magnet S pole (6), the pole permanent magnet N (5) and permanent magnet S pole (6) in same set of permanent magnets (4) are corresponding
It is arranged, the pole permanent magnet N (5) and permanent magnet S pole (6) between adjacent permanent magnet groups (4) are correspondingly arranged.
3. a kind of permanent-magnetic synchronous motor rotor according to claim 1, which is characterized in that the inner wall of the guide pipe (12)
Fitting reset spring (13) outer surface, guide pipe (12) tip contact magnetic field shielding block (11) bottom, magnetic field shielding block (11)
Top does not extend between set of permanent magnets (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821467358.5U CN209200780U (en) | 2018-09-09 | 2018-09-09 | A kind of permanent-magnetic synchronous motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821467358.5U CN209200780U (en) | 2018-09-09 | 2018-09-09 | A kind of permanent-magnetic synchronous motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200780U true CN209200780U (en) | 2019-08-02 |
Family
ID=67405800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821467358.5U Expired - Fee Related CN209200780U (en) | 2018-09-09 | 2018-09-09 | A kind of permanent-magnetic synchronous motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431308A (en) * | 2020-03-31 | 2020-07-17 | 浙江江宇电机有限公司 | Simple speed-regulating type outer rotor motor and constant air device with same |
| CN112311115A (en) * | 2019-09-20 | 2021-02-02 | 浙江磐龙机电有限公司 | High-power asynchronous motor rotor with adjusting retaining ring interference magnitude |
| CN112564357A (en) * | 2020-11-03 | 2021-03-26 | 超音速智能技术(杭州)有限公司 | Outer rotor single-phase motor |
-
2018
- 2018-09-09 CN CN201821467358.5U patent/CN209200780U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112311115A (en) * | 2019-09-20 | 2021-02-02 | 浙江磐龙机电有限公司 | High-power asynchronous motor rotor with adjusting retaining ring interference magnitude |
| CN112311115B (en) * | 2019-09-20 | 2022-05-24 | 浙江磐龙机电有限公司 | High-power asynchronous motor with adjustment retaining ring interference magnitude |
| CN111431308A (en) * | 2020-03-31 | 2020-07-17 | 浙江江宇电机有限公司 | Simple speed-regulating type outer rotor motor and constant air device with same |
| CN112564357A (en) * | 2020-11-03 | 2021-03-26 | 超音速智能技术(杭州)有限公司 | Outer rotor single-phase motor |
| CN112564357B (en) * | 2020-11-03 | 2022-01-07 | 超音速智能技术(杭州)有限公司 | Outer rotor single-phase motor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20200909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |