CN208806666U - surface-mounted permanent magnet rotor structure and permanent magnet motor - Google Patents
surface-mounted permanent magnet rotor structure and permanent magnet motor Download PDFInfo
- Publication number
- CN208806666U CN208806666U CN201821536264.9U CN201821536264U CN208806666U CN 208806666 U CN208806666 U CN 208806666U CN 201821536264 U CN201821536264 U CN 201821536264U CN 208806666 U CN208806666 U CN 208806666U
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- permanent magnet
- retainer
- rotor core
- groove
- mounted permanent
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- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a surface-mounted permanent magnet rotor structure and permanent magnet motor. This surface-mounted permanent magnet rotor structure includes rotor core (1), first holder (2) and second holder (3), first holder (2) set up the first end in rotor core (1), second holder (3) set up the second end in rotor core (1), first holder (2) and second holder (3) all overlap and establish outside rotor core (1), first holder (2) and second holder (3) cooperate, circumference along rotor core (1) forms and supplies magnet steel (13) male insertion groove (4). According to the utility model discloses a surface mounting formula permanent magnet rotor structure, simple process, production efficiency is high, can effectual control surface mounting formula permanent magnet steel degree of consistency that distributes, can improve the reliability of magnet steel simultaneously.
Description
Technical field
The utility model belongs to technical field of motors, and in particular to a kind of durface mounted permanent magnet rotor structure and magneto.
Background technique
Traditional permanent magnet machine rotor can be divided into surface-type, built-in and pawl according to the difference of permanent magnet position on rotor
Three kinds of pole formula, since the interelectrode magnetic leakage of durface mounted permanent magnet rotor is smaller, its pole embrace and cross sectional shape can be according to gas
Gap magnetic flux density is arbitrarily adjusted in the requirement of spatial distribution, and its manufacturing process is fairly simple, so, many magnetoes
Rotor is frequently with surface-mount type (shoe) magnetic steel structure.
Durface mounted permanent magnet magnet steel is by being adhesive in rotor surface, in order to improve reliability, generally requires to take some increasings
Strong measure.For high speed low-power machine, frequently with hot jacket non-magnetic stainless steel nested structure, still, it is in motor operating
Added losses are increased due to vortex；The motor slightly larger for power usually uses no latitude glass tape, thermotape, even carbon
Fiber and High temperature epoxy resins enhance p-m rotor.But also increase while enhancing with these nonmetallic materials p-m rotor
The thermal resistance for having added the air gap of rotor and having radiated to air gap.Surface-mounted permanent magnet machine bonding magnetic steel position distribution is generally protected by tooling
Card, it is inconvenient when not only installing, but also it is easy to cause magnet steel distribution consistency degree poor.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of durface mounted permanent magnet rotor structure and Permanent Magnet and Electrics
Machine, simple process, high production efficiency can effectively control surface-mount type permanent magnetic steel distribution consistency degree, while can improve magnet steel
Reliability.
To solve the above-mentioned problems, the utility model provides a kind of durface mounted permanent magnet rotor structure, including rotor core,
The first end of rotor core is arranged in one retainer and the second retainer, the first retainer, and the second retainer is arranged in rotor iron
The second end of core, the first retainer and the second retainer are set in outside rotor core, the first retainer and the second retainer phase
Cooperation, circumferential along rotor core form the insertion groove being inserted into for magnet steel.
Preferably, the first retainer is an integral molding structure；And/or second retainer be an integral molding structure.
Preferably, the first retainer and the second retainer are non-magnet material.
Preferably, the first retainer includes the first of the first clamping ring and the circumferential uniform intervals setting along the first clamping ring
Parting bead, the first parting bead are set in outside rotor core, and the first clamping ring backstop is on the end faces of the rotor core；Second retainer includes
Second parting bead of the second clamping ring and the circumferential uniform intervals setting along the second clamping ring, the second parting bead are set in rotor core
Outside, on the end faces of the rotor core, the first parting bead and the second parting bead dock the second clamping ring backstop one by one.
Preferably, male-female engagement between the first clamping ring and rotor core；And/or second clamping ring and rotor core it
Between male-female engagement.
Preferably, the first clamping ring is towards being provided with the first protrusion, the respective end of rotor core on the end face of rotor core
The first groove is provided on face, the first protrusion is caught in the first groove；And/or second clamping ring towards the end face of rotor core
On be provided with the first protrusion, be provided with the first groove on the corresponding end-faces of rotor core, the first protrusion is caught in the first groove.
Preferably, the multiple first raised being provided at circumferentially spaced along the first clamping ring, the first groove and the first protrusion are one by one
It is corresponding；And/or multiple first protrusions being provided at circumferentially spaced along the second clamping ring, the first groove and the first protrusion correspond.
Preferably, the first protrusion and the first groove interference fit.
Preferably, the first parting bead and the second parting bead male-female engagement at interface.
Preferably, it is provided with the second groove on the interface of the first parting bead, is provided with second on the interface of the second parting bead
Protrusion, the second protrusion are caught in the second groove.
Preferably, the second groove and the first parting bead are arranged in a one-to-one correspondence, and the second protrusion and the second groove are arranged in a one-to-one correspondence.
Preferably, the second protrusion and the second groove interference fit.
Preferably, the two sides of the first parting bead and the second parting bead circumferentially are respectively arranged with rib, rib and rotor core it
Between form limiting slot.
Preferably, durface mounted permanent magnet rotor structure further includes magnet steel, and magnet steel is inserted into insertion groove.
Preferably, magnet steel gluing is fixed in insertion groove.
Another aspect according to the present utility model provides a kind of magneto, including durface mounted permanent magnet rotor structure, should
Durface mounted permanent magnet rotor structure is above-mentioned durface mounted permanent magnet rotor structure.
Durface mounted permanent magnet rotor structure provided by the utility model, including rotor core, the first retainer and second keep
The first end of rotor core is arranged in frame, the first retainer, and the second end of rotor core is arranged in the second retainer, and first keeps
Frame and the second retainer are set in outside rotor core, and the first retainer and the second retainer match, along the week of rotor core
The insertion groove being inserted into formation for magnet steel.Retainer is respectively set at the both ends of rotor core in the durface mounted permanent magnet rotor structure,
Form the insertion groove for being inserted into magnet steel in the periphery of rotor core by retainer, can by the structure of retainer itself come
Guarantee the uniformity of magnet steel distribution, while guaranteeing the reliability of magnet steel using the globality of retainer structure, simple process is raw
Produce high-efficient, processing cost is low, easy to spread and realize.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the durface mounted permanent magnet rotor structure of the utility model embodiment；
Fig. 2 is the three-dimensional structure diagram of the rotor core of the durface mounted permanent magnet rotor structure of the utility model embodiment；
Fig. 3 is the three-dimensional structure diagram of the first retainer of the durface mounted permanent magnet rotor structure of the utility model embodiment；
Fig. 4 is the cooperation of the first retainer and rotor core of the durface mounted permanent magnet rotor structure of the utility model embodiment
Structure chart；
Fig. 5 is the three-dimensional structure diagram of the second retainer of the durface mounted permanent magnet rotor structure of the utility model embodiment；
Fig. 6 is the retainer of the durface mounted permanent magnet rotor structure of the utility model embodiment and the fit structure of rotor core
Figure；
Fig. 7 is the end view of the durface mounted permanent magnet rotor structure of the utility model embodiment；
Fig. 8 is the magnet steel insert structure figure of the durface mounted permanent magnet rotor structure of the utility model embodiment.
Appended drawing reference indicates are as follows:
1, rotor core；2, the first retainer；3, the second retainer；4, insertion groove；5, the first clamping ring；6, first every
Item；7, the second clamping ring；8, the second parting bead；9, the first protrusion；10, the first groove；11, the second protrusion；12, the second groove；13,
Magnet steel；14, rib.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 8, embodiment according to the present utility model, durface mounted permanent magnet rotor structure includes turning
The first end of rotor core 1 is arranged in sub- iron core 1, the first retainer 2 and the second retainer 3, the first retainer 2, and second keeps
The second end of rotor core 1 is arranged in frame 3, and the first retainer 2 and the second retainer 3 are set in outside rotor core 1, and first protects
It holds frame 2 and the second retainer 3 matches, circumferential along rotor core 1 forms the insertion groove 4 being inserted into for magnet steel 13.
Retainer is respectively set at the both ends of rotor core 1 in the durface mounted permanent magnet rotor structure, by retainer in rotor
The periphery of iron core 1 forms the insertion groove 4 for being inserted into magnet steel, can guarantee magnet steel distribution by the structure of retainer itself
The uniformity is carried out installation fixation to magnet steel 13 by insertion groove 4, while being guaranteed magnet steel 13 using the globality of retainer structure
Reliability, simple process, high production efficiency, processing cost is low, it is easy to spread and realize.
Preferably, the first retainer 2 is an integral molding structure；And/or second retainer 3 be an integral molding structure.First
Retainer 2 and the second retainer 3 can use integrated formed structure, can more efficiently guarantee the first retainer 2 and the
The global consistency of two 3 body structures of retainer guarantees the uniformity that insertion groove 4 circumferentially distributes, and better ensures that magnet steel fills
The reliability matched.
When carrying out the installation of magnet steel 13, since the structure of the first retainer 2 and the second retainer 3 itself has formd
Restriction to the installation site of magnet steel 13, there is no need to can directly carry out the installation of magnet steel 13, installation is more by means of tooling
Simple and convenient, installation effectiveness is higher.
Since the first retainer 2 and the second retainer 3 can be directly realized by and fix to the installation of magnet steel 13, without in the two
Radial outside extra setup fixed structure, therefore motor gas-gap can be reduced, improve motor performance, reduce motor thermal resistance.
First retainer 2 and the second retainer 3 are non-magnet material, can reduce the influence to motor magnetic property, are guaranteed
The working performance of motor.
In the present embodiment, the first retainer 2 includes the first clamping ring 5 and the circumferential uniform intervals along the first clamping ring 5
The first parting bead 6 being arranged, the first parting bead 6 are set in outside rotor core 1, and 5 backstop of the first clamping ring is in the end face of rotor core 1
On；Second retainer 3 includes the second parting bead 8 of the second clamping ring 7 and the circumferential uniform intervals setting along the second clamping ring 7, the
Two parting beads 8 are set in outside rotor core 1,7 backstop of the second clamping ring on the end face of rotor core 1, the first parting bead 6 and second every
Item 8 docks one by one.
Preferably, the first parting bead 6 is consistent with the cross sectional shape of the second parting bead 8, docking location when the two can be made to dock
It can flush, form good fit structure, while be capable of forming the consistent insertion groove 4 of structure, so that insertion groove 4 is axially
The structure size in direction is consistent, is easy to implement fixed installation of the magnet steel 13 in insertion groove 4, the fixation of magnet steel 13 is more stable can
It leans on.
Male-female engagement between first clamping ring 5 and rotor core 1；And/or second is recessed between clamping ring 7 and rotor core 1
Convex cooperation.By making male-female engagement between the first clamping ring 5 and rotor core 1, the first retainer 2 and rotor iron are enabled to
Formed circumferentially fixed between core 1, prevent that circumferentially opposed movement occurs between the two, guarantee the first retainer 2 and rotor core 1 it
Between relative position stability, guarantee 13 mounting structure of magnet steel stability.By making the second clamping ring 7 and rotor core 1
Between male-female engagement, enable to be formed between the second retainer 3 and rotor core 1 circumferentially fixed, prevent from occurring between the two
Circumferentially opposed movement guarantees the stability of relative position between the second retainer 3 and rotor core 1, guarantees the installation knot of magnet steel 13
The stability of structure.
First clamping ring 5 is towards being provided with the first protrusion 9 on the end face of rotor core 1, on the corresponding end-faces of rotor core 1
It is provided with the first groove 10, the first protrusion 9 is caught in the first groove 10；And/or second clamping ring 7 towards the end of rotor core 1
It is provided with the first protrusion 9 on face, the first groove 10 is provided on the corresponding end-faces of rotor core 1, it is recessed that the first protrusion 9 is caught in first
In slot 10.
Preferably, the first protrusion 9 and the first groove 10 are interference fitted.By making between the first protrusion 9 and the first groove 10
Interference fit, can not only guarantee between the first retainer 2 and rotor core 1 and between the second retainer 3 and rotor core 1
It is formed circumferentially positioned, and enabled between the first retainer 2 and rotor core 1 and the second retainer 3 and rotor core 1
Between form axially position, further ensure that the stability and reliability of the connection structure between retainer and rotor core 1, have
Effect prevents from loosening between retainer and rotor core 1.
In the present embodiment, multiple first protrusions 9 being provided at circumferentially spaced along the first clamping ring 5, the first groove 10 and
One protrusion 9 corresponds；And/or multiple first protrusions 9 being provided at circumferentially spaced along the second clamping ring 7, the first groove 10 and
One protrusion 9 corresponds.
In the present embodiment, the first protrusion 9 is cylinder, and the first groove 10 is circular groove, between cylinder and circular groove
For interference fit.The prism of first protrusion 9 or rectangular column or other shapes, the shape of the first groove 10 and first convex
Rise 9 shape match.
Preferably, the first parting bead 6 and the second male-female engagement at interface of parting bead 8.By make the first parting bead 6 and second every
The male-female engagement at interface of item 8 can form a fixed connection and limit at interface, be further ensured that the first retainer 2
With the accuracy of 3 circumferential direction relative position of the second retainer, guarantee the accuracy that 4 structure of insertion groove is formed.
In the present embodiment, the second groove 12 is provided on the interface of the first parting bead 6, on the interface of the second parting bead 8
It is provided with the second protrusion 11, the second protrusion 11 is caught in the second groove 12.Can also be arranged on the interface of the first parting bead 6
Two protrusions, are arranged the second groove, or be arranged at least on the interface of the second parting bead 8 on the interface of the second parting bead 8
Two the second protrusions 11, and on the interface of the first parting bead 6 be arranged respective numbers the second groove 12, thus formed it is more steady
Solid connection.
Preferably, the second groove 12 and the first parting bead 6 are arranged in a one-to-one correspondence, and the second protrusion 11 and the second groove 12 1 are a pair of
It should be arranged, guarantee on each first parting bead 6 there is the second groove 12 to be matched with the second protrusion 11 on each second parting bead 8
It closes, improves the stability and reliability of the fit structure of the first retainer 2 and the second retainer 3.In actual design process,
When structural strength is enough, the second groove 12 can also be selectively set on the first retainer of part 2, and corresponding
Second protrusion 11 is set on two retainers 3, to reduce processing quantity, reduces processing cost.
Second protrusion 11 and the second groove 12 are interference fitted, and can enhance the first retainer 2 and the second retainer 3 is docking
Bonding strength at the position of face improves the stability and reliability of the two connection structure.
The two sides of first parting bead 6 and the second parting bead 8 circumferentially are respectively arranged with rib 14, rib 14 and rotor core 1 it
Between form limiting slot.Rib 14, which is formed by limiting slot, to form limit and protection, magnetic when preventing motor from rotating to magnet steel 13
Steel 13 is thrown away from insertion groove 4, improves the stability and reliability of 13 mounting structure of magnet steel.
Durface mounted permanent magnet rotor structure further includes magnet steel 13, and magnet steel 13 is inserted into insertion groove 4.
Preferably, 13 gluing of magnet steel is fixed in insertion groove 4.When magnet steel 13 is inserted into insertion groove 4, glue coating is needed to be inserted into
In the mating surface of slot 4, a firm entirety is formed after solidifying so as to magnet steel 13 with rotor core 1, retainer, more efficiently
Preventing magnet steel 13, there is a phenomenon where throw away in motor rotation process.
Embodiment according to the present utility model, magneto include durface mounted permanent magnet rotor structure, which turns
Minor structure is above-mentioned durface mounted permanent magnet rotor structure.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with modification.
Claims (16)
1. a kind of durface mounted permanent magnet rotor structure, which is characterized in that protected including rotor core (1), the first retainer (2) and second
It holds frame (3), first end of the first retainer (2) setting in the rotor core (1), the second retainer (3) setting
Second end in the rotor core (1), first retainer (2) and second retainer (3) are set in described turn
Outside, first retainer (2) and second retainer (3) match sub- iron core (1), the week along the rotor core (1)
The insertion groove (4) being inserted into formation for magnet steel (13).
2. durface mounted permanent magnet rotor structure according to claim 1, which is characterized in that first retainer (2) is one
Forming structure；And/or second retainer (3) is an integral molding structure.
3. durface mounted permanent magnet rotor structure according to claim 1, which is characterized in that first retainer (2) and institute
Stating the second retainer (3) is non-magnet material.
4. durface mounted permanent magnet rotor structure according to any one of claim 1 to 3, which is characterized in that described first protects
The first parting bead (6) that frame (2) include the first clamping ring (5) and the circumferential uniform intervals setting along first clamping ring (5) is held,
First parting bead (6) is set in the rotor core (1) outside, and the first clamping ring (5) backstop is in the rotor core (1)
End face on；Second retainer (3) include the second clamping ring (7) and along second clamping ring (7) it is circumferential uniformly between
Every the second parting bead (8) of setting, second parting bead (8) is set in the rotor core (1) outside, second clamping ring (7)
On the end face of the rotor core (1), first parting bead (6) and second parting bead (8) dock backstop one by one.
5. durface mounted permanent magnet rotor structure according to claim 4, which is characterized in that first clamping ring (5) and institute
State male-female engagement between rotor core (1)；And/or bumps are matched between second clamping ring (7) and the rotor core (1)
It closes.
6. durface mounted permanent magnet rotor structure according to claim 5, which is characterized in that the first clamping ring (5) direction
It is provided with first raised (9) on the end face of the rotor core (1), the is provided on the corresponding end-faces of the rotor core (1)
One groove (10), described first raised (9) are caught in first groove (10)；And/or the second clamping ring (7) direction
It is provided with first raised (9) on the end face of the rotor core (1), the is provided on the corresponding end-faces of the rotor core (1)
One groove (10), described first raised (9) are caught in first groove (10).
7. durface mounted permanent magnet rotor structure according to claim 6, which is characterized in that multiple described first raised (9) edges
First clamping ring (5) are provided at circumferentially spaced, and first groove (10) and described first raised (9) correspond；With/
Or, multiple described first raised (9) being provided at circumferentially spaced along the second clamping ring (7), first groove (10) and institute
First raised (9) are stated to correspond.
8. durface mounted permanent magnet rotor structure according to claim 6, which is characterized in that first protrusion is (9) and described
First groove (10) interference fit.
9. durface mounted permanent magnet rotor structure according to claim 4, which is characterized in that first parting bead (6) and described
Second parting bead (8) male-female engagement at interface.
10. durface mounted permanent magnet rotor structure according to claim 9, which is characterized in that the docking of first parting bead (6)
It is provided on face the second groove (12), second raised (11) is provided on the interface of second parting bead (8), described second is convex
(11) are played to be caught in second groove (12).
11. durface mounted permanent magnet rotor structure according to claim 10, which is characterized in that second groove (12) and institute
It states the first parting bead (6) to be arranged in a one-to-one correspondence, described second raised (11) and second groove (12) are arranged in a one-to-one correspondence.
12. durface mounted permanent magnet rotor structure according to claim 10, which is characterized in that described second raised (11) and institute
State the second groove (12) interference fit.
13. durface mounted permanent magnet rotor structure according to claim 4, which is characterized in that first parting bead (6) and described
The two sides of second parting bead (8) circumferentially are respectively arranged with rib (14), shape between the rib (14) and the rotor core (1)
At limiting slot.
14. durface mounted permanent magnet rotor structure according to any one of claim 1 to 3, which is characterized in that the surface-mount type
Permanent magnet rotor structure further includes magnet steel (13), and the magnet steel (13) is inserted into the insertion groove (4).
15. durface mounted permanent magnet rotor structure according to claim 14, which is characterized in that magnet steel (13) gluing is fixed
In the insertion groove (4).
16. a kind of magneto, including durface mounted permanent magnet rotor structure, which is characterized in that the durface mounted permanent magnet rotor structure
For durface mounted permanent magnet rotor structure described in any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536264.9U CN208806666U (en) | 2018-09-19 | 2018-09-19 | surface-mounted permanent magnet rotor structure and permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536264.9U CN208806666U (en) | 2018-09-19 | 2018-09-19 | surface-mounted permanent magnet rotor structure and permanent magnet motor |
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| Publication Number | Publication Date |
|---|---|
| CN208806666U true CN208806666U (en) | 2019-04-30 |
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ID=66238301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536264.9U Active CN208806666U (en) | 2018-09-19 | 2018-09-19 | surface-mounted permanent magnet rotor structure and permanent magnet motor |
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| Country | Link |
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| CN (1) | CN208806666U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120082A (en) * | 2018-09-19 | 2019-01-01 | 珠海格力电器股份有限公司 | surface-mounted permanent magnet rotor structure and permanent magnet motor |
| CN110350692A (en) * | 2019-08-02 | 2019-10-18 | 艾德斯汽车电机无锡有限公司 | A kind of HALBACH array rotor |
| WO2021132917A1 (en) * | 2019-12-23 | 2021-07-01 | 엘지이노텍 주식회사 | Motor |
-
2018
- 2018-09-19 CN CN201821536264.9U patent/CN208806666U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120082A (en) * | 2018-09-19 | 2019-01-01 | 珠海格力电器股份有限公司 | surface-mounted permanent magnet rotor structure and permanent magnet motor |
| CN110350692A (en) * | 2019-08-02 | 2019-10-18 | 艾德斯汽车电机无锡有限公司 | A kind of HALBACH array rotor |
| WO2021132917A1 (en) * | 2019-12-23 | 2021-07-01 | 엘지이노텍 주식회사 | Motor |
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