CN204425064U - The rotor of synchronous magnetic resistance motor and synchronous magnetic resistance motor - Google Patents
The rotor of synchronous magnetic resistance motor and synchronous magnetic resistance motor Download PDFInfo
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- CN204425064U CN204425064U CN201520106652.3U CN201520106652U CN204425064U CN 204425064 U CN204425064 U CN 204425064U CN 201520106652 U CN201520106652 U CN 201520106652U CN 204425064 U CN204425064 U CN 204425064U
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Abstract
The utility model provides a kind of rotor of synchronous magnetic resistance motor, comprise rotor core, rotating shaft and connector, described rotor core is set in rotating shaft, rotor core is axially overrided to form by multiple punching, on rotor core with the axle center of rotating shaft for the center of circle is circumferentially uniformly distributed even number magnetic resistance groove group in direction, filled media is provided with in magnetic resistance groove group, a q axle magnetic circuit is formed between two wherein adjacent magnetic resistance groove groups, each magnetic resistance groove group includes multilayer magnetoresistive groove, rotor core is divided into multiple iron core layer by each magnetic resistance groove group, two adjacent iron core layers are connected by magnetic bridge, magnetic bridge is positioned at the middle part of magnetic resistance groove, the outermost magnetic resistance groove of radial direction along rotor is not magnetic conduction Baltimore groove, punching is also provided with the hole that is located by connecting, and connector inserts the hole that is located by connecting, and multiple punching is secured together by connector.Also relate to a kind of synchronous magnetic resistance motor.Its ac-dc axis magnetic resistance drastically increasing synchronous magnetic resistance motor is poor, improves reluctance torque.
Description
Technical field
The utility model relates to synchronous magnetic resistance motor technical field, particularly relates to a kind of rotor and synchronous magnetic resistance motor of synchronous magnetic resistance motor.
Background technology
As shown in Figure 1, the synchronous magnetic resistance motor rotor of prior art comprises rotating shaft 26, q spindle guide magnetic punching 20, d spindle guide magnetic punching 21, magnetic resistance groove 22 and every magnetic bridge 24, the rotor of this kind of structure is owing to having d spindle guide magnetic punching 21 and every magnetic bridge 24, ac-dc axis magnetic resistance difference is diminished, poor in order to obtain larger ac-dc axis magnetic resistance, need very thin every magnetic bridge 24, preferably not every magnetic bridge 24, but after magnetic bridge 24 is thin, this reduces the intensity of rotor, and every magnetic bridge position stress concentrate cause insufficient strength, more serious for powerful synchronous magnetic resistance motor this kind of situation.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is the rotor and the synchronous magnetic resistance motor that provide a kind of synchronous magnetic resistance motor, it drastically increases the ac-dc axis magnetic resistance difference (convex grey subset) of synchronous magnetic resistance motor, this kind of structure ac-dc axis magnetic resistance difference (convex grey subset) comparatively conventional synchronous reluctance motor raising nearly 50%, greatly improves the reluctance torque of motor.For achieving the above object, the technical solution of the utility model is as follows:
A kind of rotor of synchronous magnetic resistance motor, comprise rotor core, rotating shaft and connector, described rotor core is set in described rotating shaft, described rotor core is axially overrided to form by multiple punching, on described rotor core with the axle center of described rotating shaft for the center of circle is circumferentially uniformly distributed even number magnetic resistance groove group in direction, filled media is provided with in described magnetic resistance groove group, a q axle magnetic circuit is formed between wherein adjacent two described magnetic resistance groove groups, each described magnetic resistance groove group includes multilayer magnetoresistive groove, described rotor core is divided into multiple iron core layer by each described magnetic resistance groove group, adjacent two described iron core layers are connected by magnetic bridge, described magnetic bridge is positioned at the middle part of described magnetic resistance groove, the outermost described magnetic resistance groove of radial direction along described rotor is not magnetic conduction Baltimore groove, described punching is also provided with the hole that is located by connecting, and be located by connecting described in described connector inserts hole, and multiple described punching is secured together by described connector.
More preferably, each described punching comprise a substrate and around be arranged on described substrate week side multiple sub-pieces, each described sub-pieces is provided with described magnetic resistance groove group and the described hole that is located by connecting, the quantity of described sub-pieces is identical with the quantity of described magnetic resistance groove group, described sub-pieces is disposed with the first spacer, second spacer and the first link slot, described substrate is provided with the second link slot matched with described second spacer, described second spacer is connected in described second link slot, in adjacent two described sub-pieces, described first spacer of sub-pieces described in one of them is embedded in described first location notch of sub-pieces described in another, two adjacent described sub-pieces are fixed together.
More preferably, described rotor core is arranged the hole that to be located by connecting described in four, the hole that is located by connecting described in four is evenly distributed on all sides of described rotating shaft, and the hole that is located by connecting described in four is separately positioned on the mutual intersection of the inner layer groove in two adjacent described magnetic resistance groove groups.
Further, in same plane, described in the line be located by connecting between the center in hole and the center of described rotating shaft overlap with the center line of described q axle magnetic circuit.
More preferably, the two ends of described rotor core are respectively equipped with pressing plate, between described pressing plate and described rotor core, insulating barrier is set, described pressing plate is provided with the through hole corresponding with the described hole that is located by connecting, described connector is the screw rod that non-magnet material is made, described screw rod runs through described through hole and the described hole that is located by connecting, and described pressing plate is all fixed on described rotor core with nut screw connection by the two ends of described screw rod.
More preferably, described filled media is air, nonmagnetic substance or permanent magnet; Or described filled media is the combination of in air, nonmagnetic substance and permanent magnet any two; Or described filled media is the combination of air, nonmagnetic substance and permanent magnet.
More preferably, the permanent magnet embedded in each described magnetic resistance groove group is same polarity, and in adjacent two described magnetic resistance groove groups, corresponding permanent magnet polarity is contrary, and size is identical.
More preferably, the structure of described magnetic resistance groove is deep-slotted chip breaker or U-lag.
Also relate to a kind of synchronous magnetic resistance motor, comprise stators and rotators, described rotor is the rotor of the synchronous magnetic resistance motor of above-mentioned arbitrary technical scheme.
The beneficial effects of the utility model are:
The rotor of synchronous magnetic resistance motor of the present utility model and synchronous magnetic resistance motor, rotor core is divided into multiple iron core layer by each magnetic resistance groove group, two adjacent iron core layers are connected by magnetic bridge, magnetic bridge is positioned at the middle part of described magnetic resistance groove, this kind of structure drastically increases the ac-dc axis magnetic resistance difference (convex grey subset) of synchronous magnetic resistance motor, drastically increases the reluctance torque of motor; The modularized design of countershaft iron core, convenient for assembly; To the optimization of rotor, the ac-dc axis magnetic resistance further increasing synchronous magnetic resistance motor is poor, adopts the ac-dc axis magnetic resistance difference comparatively conventional synchronous reluctance motor raising nearly 50% of the synchronous magnetic resistance motor of this structure.
Accompanying drawing explanation
Fig. 1 is existing synchronous magnetic resistance motor rotor schematic diagram;
Fig. 2 is the structural representation of rotor one embodiment of synchronous magnetic resistance motor of the present utility model;
Fig. 3 is sub-pieces embodiment one structural representation of the rotor of synchronous magnetic resistance motor of the present utility model;
Fig. 4 is substrate embodiment one structural representation of the rotor of synchronous magnetic resistance motor of the present utility model;
Fig. 5 coordinates schematic diagram for substrate shown in sub-pieces with Fig. 4 shown in Fig. 3;
Fig. 6 is sub-pieces embodiment two structural representation of the rotor of synchronous magnetic resistance motor of the present utility model;
Fig. 7 is the pressure plate structure schematic diagram of the rotor of synchronous magnetic resistance motor of the present utility model;
Fig. 8 arranges the structural representation of sub-pieces shown in the Fig. 3 after filled media for magnetic resistance groove;
Fig. 9 is the stator structure schematic diagram of synchronous magnetic resistance motor of the present utility model;
Figure 10 is that synchronous magnetic resistance motor of the present utility model compares schematic diagram with the ac-dc axis inductance of existing synchronous magnetic resistance motor.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the rotor of synchronous magnetic resistance motor of the present utility model and synchronous magnetic resistance motor are further elaborated.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 2 to Figure 10, as shown in Figure 2, the rotor of the synchronous magnetic resistance motor of the utility model one embodiment, comprises rotor core, rotating shaft 26 and connector.Rotor core is set in rotating shaft 26, and rotor core is axially overrided to form by multiple identical punching 2, on rotor core with the axle center of rotating shaft 26 for the center of circle is circumferentially uniformly distributed even number magnetic resistance groove group 22 in direction.Filled media is provided with in magnetic resistance groove group 22, a q axle magnetic circuit is formed between two wherein adjacent magnetic resistance groove groups 22, each magnetic resistance groove group 22 includes multilayer magnetoresistive groove 221,222,223, rotor core is divided into multiple iron core layer by each magnetic resistance groove group 22, adjacent two described iron core layers are connected by magnetic bridge 241, and namely adjacent q spindle guide magnetic sheet 20 is connected by magnetic bridge 241.Magnetic resistance groove 221,222,223 separates by magnetic bridge 241, and the magnetic bridge 241 of each magnetic resistance groove group 22 is positioned at the neighbouring both sides of its d axle magnetic circuit center line.The outermost described magnetic resistance groove of radial direction along rotor is not magnetic conduction Baltimore groove 23.Punching 2 is also provided with the hole 251 that is located by connecting, and described connector inserts the hole 251 that is located by connecting, and multiple punching 2 is secured together by described connector.
As shown in Figure 2 and Figure 7, the two ends of rotor core are respectively equipped with pressing plate 9, between pressing plate 9 and described rotor core, insulating barrier is set, pressing plate 9 is provided with the through hole 253 corresponding with the hole 251 that is located by connecting, described connector is the screw rod that non-magnet material is made, described screw rod runs through described through hole and the described hole 251 that is located by connecting, and pressing plate 9 is all fixed on described rotor core with nut screw connection by the two ends of described screw rod.Preferably, punching 2 is provided with second to be located by connecting hole 252, pressing plate 9 is provided be located by connecting hole 252 and the second through hole 254 place of the second corresponding through hole 254, the second of the hole 252 that to be located by connecting with second and also adopts screw rod to fix, and further increases the intensity of rotor core.
As shown in Figure 8, described filled media is air, nonmagnetic substance or permanent magnet 60; Or described filled media is the combination of in air, nonmagnetic substance and permanent magnet any two; Or described filled media is the combination of air, nonmagnetic substance and permanent magnet.Filled media in Fig. 8 is permanent magnet 60 and epoxy resin 61,
The permanent magnet 60 embedded in each described magnetic resistance groove group is same polarity, and permanent magnet polarity corresponding in adjacent magnetic resistance groove group is contrary, and size is identical.Namely in same magnetic resistance groove group, permanent magnet polarity is identical, and permanent magnet polarity in adjacent magnetic resistance groove group is contrary.
As a kind of embodiment, as shown in Figures 2 to 5, each punching 2 comprises a substrate 4 and around the multiple sub-pieces 3 being arranged on substrate 4 weeks sides, each sub-pieces 3 is provided with described magnetic resistance groove group and the hole 251 that is located by connecting, the quantity of sub-pieces 3 is identical with the quantity of described magnetic resistance groove group, sub-pieces 3 is disposed with the first spacer 271, second spacer 281 and the first link slot 272, substrate 4 is provided with the second link slot 282 matched with the second spacer 281, second spacer 281 is connected in the second link slot 282, in adjacent two sub-pieces 3, first spacer 271 of one of them sub-pieces 3 is embedded in the first location notch 272 of another sub-pieces 3, two adjacent sub-pieces 3 are fixed together.Preferably, sub-pieces 3 quantity of each described punching 2 is four.Described rotor core being arranged to be located by connecting described in four, and the hole 251 that to be located by connecting described in 251, four, hole is evenly distributed on all sides of rotating shaft 26, and four holes 251 that are located by connecting are separately positioned on the mutual intersection of the inner layer groove in two adjacent described magnetic resistance groove groups.Preferably, in same plane, the line between the center in the hole 251 that is located by connecting and the center of rotating shaft 26 overlaps with the center line of described q axle magnetic circuit.When rotor core adopts sub-pieces 3 to implement, preferred each sub-pieces hole 251 that is located by connecting is two, and is distributed in the both sides of the second spacer 281.The structure of the groove of magnetic resistance described in Fig. 3 is deep-slotted chip breaker.The structure of certain described magnetic resistance groove also can be U-lag, as shown in Figure 6.Rotor core adopts modularized design, convenient for assembly.
The utility model also relates to a kind of reluctance motor, as shown in Figure 9, comprise stator 1 and rotor 2, in the groove between the two adjacent stator tooths 11 of stator 1, coil 12 is set, rotor 2 embeds in stator 1, and rotor 2 is the rotor of the synchronous magnetic resistance motor of above-mentioned arbitrary technical scheme.Above synchronous magnetic resistance motor can be quadrupole motor, 6-pole motor or ends of the earth motor etc.
The rotor of the synchronous magnetic resistance motor of above embodiment and synchronous magnetic resistance motor, rotor core is divided into multiple iron core layer by each magnetic resistance groove group, two adjacent iron core layers are connected by magnetic bridge, magnetic bridge is positioned at the middle part of described magnetic resistance groove, this kind of structure drastically increases the ac-dc axis magnetic resistance difference (convex grey subset) of synchronous magnetic resistance motor, drastically increases the reluctance torque of motor; To rotor core also practicable modularized design, convenient for assembly; To the optimization of rotor, the ac-dc axis magnetic resistance further increasing synchronous magnetic resistance motor is poor.Synchronous magnetic resistance motor and the existing synchronous magnetic resistance motor of the present embodiment contrast as shown in Figure 10, broken line below in figure is the ac-dc axis inductance schematic diagram of existing synchronous magnetic resistance motor, broken line above in figure is the ac-dc axis inductance schematic diagram of the present embodiment, is adopted the ac-dc axis magnetic resistance difference comparatively conventional synchronous reluctance motor raising nearly 50% of the synchronous magnetic resistance motor of this structure by contrast.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. a rotor for synchronous magnetic resistance motor, is characterized in that:
Comprise rotor core, rotating shaft and connector, described rotor core is set in described rotating shaft, described rotor core is axially overrided to form by multiple punching, on described rotor core with the axle center of described rotating shaft for the center of circle is circumferentially uniformly distributed even number magnetic resistance groove group in direction, filled media is provided with in described magnetic resistance groove group, a q axle magnetic circuit is formed between wherein adjacent two described magnetic resistance groove groups, each described magnetic resistance groove group includes multilayer magnetoresistive groove, described rotor core is divided into multiple iron core layer by each described magnetic resistance groove group, adjacent two described iron core layers are connected by magnetic bridge, described magnetic bridge is positioned at the middle part of described magnetic resistance groove, the outermost described magnetic resistance groove of radial direction along described rotor is not magnetic conduction Baltimore groove, described punching is also provided with the hole that is located by connecting, and be located by connecting described in described connector inserts hole, and multiple described punching is secured together by described connector.
2. the rotor of synchronous magnetic resistance motor according to claim 1, is characterized in that:
Each described punching comprise a substrate and around be arranged on described substrate week side multiple sub-pieces, each described sub-pieces is provided with described magnetic resistance groove group and the described hole that is located by connecting, the quantity of described sub-pieces is identical with the quantity of described magnetic resistance groove group, described sub-pieces is disposed with the first spacer, second spacer and the first link slot, described substrate is provided with the second link slot matched with described second spacer, described second spacer is connected in described second link slot, in adjacent two described sub-pieces, described first spacer of sub-pieces described in one of them is embedded in described first location notch of sub-pieces described in another, two adjacent described sub-pieces are fixed together.
3. the rotor of synchronous magnetic resistance motor according to claim 1, is characterized in that:
Described rotor core is arranged the hole that to be located by connecting described in four, the hole that is located by connecting described in four is evenly distributed on all sides of described rotating shaft, and the hole that is located by connecting described in four is separately positioned on the mutual intersection of the inner layer groove in two adjacent described magnetic resistance groove groups.
4. the rotor of synchronous magnetic resistance motor according to claim 3, is characterized in that:
In same plane, described in the line be located by connecting between the center in hole and the center of described rotating shaft overlap with the center line of described q axle magnetic circuit.
5. the rotor of the synchronous magnetic resistance motor according to any one of Claims 1-4, is characterized in that:
The two ends of described rotor core are respectively equipped with pressing plate, between described pressing plate and described rotor core, insulating barrier is set, described pressing plate is provided with the through hole corresponding with the described hole that is located by connecting, described connector is the screw rod that non-magnet material is made, described screw rod runs through described through hole and the described hole that is located by connecting, and described pressing plate is all fixed on described rotor core with nut screw connection by the two ends of described screw rod.
6. the rotor of the synchronous magnetic resistance motor according to any one of Claims 1-4, is characterized in that:
Described filled media is air, nonmagnetic substance or permanent magnet; Or described filled media is the combination of in air, nonmagnetic substance and permanent magnet any two; Or described filled media is the combination of air, nonmagnetic substance and permanent magnet.
7. the rotor of synchronous magnetic resistance motor according to claim 6, is characterized in that:
The permanent magnet embedded in each described magnetic resistance groove group is same polarity, and in adjacent two described magnetic resistance groove groups, corresponding permanent magnet polarity is contrary, and size is identical.
8. the rotor of synchronous magnetic resistance motor according to claim 6, is characterized in that:
The structure of described magnetic resistance groove is deep-slotted chip breaker or U-lag.
9. a synchronous magnetic resistance motor, comprises stators and rotators, it is characterized in that, described rotor is the rotor of the synchronous magnetic resistance motor described in any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520106652.3U CN204425064U (en) | 2015-02-12 | 2015-02-12 | The rotor of synchronous magnetic resistance motor and synchronous magnetic resistance motor |
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| CN201520106652.3U CN204425064U (en) | 2015-02-12 | 2015-02-12 | The rotor of synchronous magnetic resistance motor and synchronous magnetic resistance motor |
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| WO2017129097A1 (en) * | 2016-01-26 | 2017-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and synchronous reluctance motor having the same |
| CN108496293A (en) * | 2016-01-14 | 2018-09-04 | 西门子股份公司 | The electrical sheet of connection sheet with printing |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN109450211A (en) * | 2019-01-09 | 2019-03-08 | 哈尔滨理工大学 | A kind of permanent magnetism assist in synchronization reluctance motor structure |
| CN109525049A (en) * | 2017-12-14 | 2019-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Asynchronous starting synchronous magnetic resistance motor rotor, motor and compressor |
| CN110112847A (en) * | 2019-06-19 | 2019-08-09 | 珠海格力电器股份有限公司 | Synchronous magnetic resistance motor rotor structure and motor with it |
| CN110149014A (en) * | 2019-06-19 | 2019-08-20 | 珠海格力电器股份有限公司 | Synchronous magnetic resistance motor rotor structure and motor with it |
| CN110535263A (en) * | 2019-09-27 | 2019-12-03 | 深圳市百盛传动有限公司 | Synchronous magnetic resistance motor rotor mechanism |
| CN110829648A (en) * | 2018-08-09 | 2020-02-21 | 日本电产株式会社 | Rotor, synchronous reluctance motor and method of forming rotor |
| CN111404340A (en) * | 2020-04-10 | 2020-07-10 | 浙江大学 | Axial combined permanent magnet auxiliary synchronous reluctance motor rotor |
| CN111884474A (en) * | 2020-07-28 | 2020-11-03 | 上海理工大学 | Synchronous reluctance linear motor is assisted to no iron rib permanent magnetism |
| WO2021004251A1 (en) * | 2019-07-09 | 2021-01-14 | 山西电机制造有限公司 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
| CN114337017A (en) * | 2021-12-29 | 2022-04-12 | 安徽皖南新维电机有限公司 | Synchronous reluctance motor rotor punching sheet |
| CN108711969B (en) * | 2018-07-13 | 2024-07-02 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108496293A (en) * | 2016-01-14 | 2018-09-04 | 西门子股份公司 | The electrical sheet of connection sheet with printing |
| CN108496293B (en) * | 2016-01-14 | 2020-04-07 | 西门子股份公司 | Electrical sheet with printed connecting sheet |
| US11075553B2 (en) | 2016-01-26 | 2021-07-27 | Gree Green Refrigeration Technology Center Co., Ltd. Of Zhuhai | Synchronous reluctance motor rotor and synchronous reluctance motor |
| EP3410570A4 (en) * | 2016-01-26 | 2019-09-11 | Gree Green Refrigeration Technology Center Co. Ltd. of Zhuhai | Rotor and synchronous reluctance motor having the same |
| WO2017129097A1 (en) * | 2016-01-26 | 2017-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and synchronous reluctance motor having the same |
| CN109525049A (en) * | 2017-12-14 | 2019-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Asynchronous starting synchronous magnetic resistance motor rotor, motor and compressor |
| CN109525049B (en) * | 2017-12-14 | 2023-11-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Asynchronous starting synchronous reluctance motor rotor, motor and compressor |
| CN108711969B (en) * | 2018-07-13 | 2024-07-02 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110829648B (en) * | 2018-08-09 | 2022-05-10 | 日本电产株式会社 | Rotor, synchronous reluctance motor and method of forming rotor |
| CN110829648A (en) * | 2018-08-09 | 2020-02-21 | 日本电产株式会社 | Rotor, synchronous reluctance motor and method of forming rotor |
| CN109450211A (en) * | 2019-01-09 | 2019-03-08 | 哈尔滨理工大学 | A kind of permanent magnetism assist in synchronization reluctance motor structure |
| CN110149014A (en) * | 2019-06-19 | 2019-08-20 | 珠海格力电器股份有限公司 | Synchronous magnetic resistance motor rotor structure and motor with it |
| CN110112847A (en) * | 2019-06-19 | 2019-08-09 | 珠海格力电器股份有限公司 | Synchronous magnetic resistance motor rotor structure and motor with it |
| WO2021004251A1 (en) * | 2019-07-09 | 2021-01-14 | 山西电机制造有限公司 | Stator lamination having slots of unequal size for use in three-phase asynchronous motor having low harmonic wave windings having unequal number of turns |
| CN110535263A (en) * | 2019-09-27 | 2019-12-03 | 深圳市百盛传动有限公司 | Synchronous magnetic resistance motor rotor mechanism |
| CN111404340A (en) * | 2020-04-10 | 2020-07-10 | 浙江大学 | Axial combined permanent magnet auxiliary synchronous reluctance motor rotor |
| CN111884474A (en) * | 2020-07-28 | 2020-11-03 | 上海理工大学 | Synchronous reluctance linear motor is assisted to no iron rib permanent magnetism |
| CN114337017A (en) * | 2021-12-29 | 2022-04-12 | 安徽皖南新维电机有限公司 | Synchronous reluctance motor rotor punching sheet |
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