JPWO2017126053A1 - 永久磁石同期電動機、圧縮機および空気調和機 - Google Patents
永久磁石同期電動機、圧縮機および空気調和機 Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/02—Compressor arrangements of motor-compressor units
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15333—Amorphous metallic alloys, e.g. glassy metals containing nanocrystallites, e.g. obtained by annealing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0205—Magnetic circuits with PM in general
- H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
- H02K1/148—Sectional cores
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2202/00—Physical properties
- C22C2202/02—Magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electromagnetism (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Dispersion Chemistry (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
図1は、本実施の形態に係る永久磁石同期電動機の構成を示す断面図である。なお、図1は、永久磁石同期電動機の回転軸と直交する面による断面図である。
(a)鉄、ケイ素およびボロンを主成分として含み、ケイ素含有量が4重量%以上かつ5重量%以下であり、板厚d1が0.02mm以上かつ0.03mm以下であるアモルファス材。
(b)鉄、ケイ素およびボロンを主成分として含み、銅およびニオブを微量成分として含み、ケイ素含有量が4重量%以上かつ5重量%以下であり、板厚d1が0.02mm以上かつ0.03mm以下のナノ結晶材。
(c)鉄およびケイ素を主成分として含み、ケイ素含有量が4重量%以上かつ6.5重量%以下であり、板厚d1が0.1mm以上かつ0.25mm未満の無方向性または方向性の電磁鋼板。
図5は、本実施の形態に係る圧縮機50の構成を示す縦断面図である。なお、図5では、図1に示す構成要素と同一の構成要素には同一の符号を付している。
図6は、本実施の形態に係る空気調和機200の構成を示す図である。空気調和機200は、室内機210と、室内機210に接続された室外機220とを備える。室外機220は、実施の形態2に係る圧縮機50を備える。
Claims (11)
- 環状の固定子コアと、
前記固定子コアの内側で前記固定子コアと同軸的に配置されるとともに、周方向に配列された複数の磁石孔を有する環状の回転子コアと、
前記複数の磁石孔内にそれぞれ配置された複数の永久磁石と、
を備え、
前記固定子コアは、
鉄およびケイ素を含む第1の軟磁性材料から形成され、当該固定子コアの軸方向に積層されるとともに、各々が第1の厚さを持つ複数の板材を有し、
前記回転子コアは、
鉄およびケイ素を含む第2の軟磁性材料から形成され、当該回転子コアの軸方向に積層されるとともに、各々が第2の厚さを持つ複数の板材を有し、
前記第1の厚さは前記第2の厚さよりも小さく、
前記第1の軟磁性材料のケイ素含有率は前記第2の軟磁性材料のケイ素含有率よりも大きい永久磁石同期電動機。 - 前記第1の軟磁性材料のケイ素含有率は、4重量%以上かつ6.5重量%以下であり、
前記第2の軟磁性材料のケイ素含有率は、3重量%以上かつ3.5重量%以下である請求項1に記載の永久磁石同期電動機。 - 前記第1の厚さは、0.02mm以上かつ0.25mm未満であり、
前記第2の厚さは、0.25mm以上かつ1mm以下である請求項2に記載の永久磁石同期電動機。 - 前記第1の厚さは、0.02mm以上かつ0.03mm以下であり、
前記第1の軟磁性材料は、さらにボロンを含み、
前記第1の軟磁性材料のケイ素含有率は、4重量%以上かつ5重量%以下であり、
前記固定子コアが有する前記各板材は、アモルファス材である請求項3に記載の永久磁石同期電動機。 - 前記第1の厚さは、0.02mm以上かつ0.03mm以下であり、
前記第1の軟磁性材料は、さらにボロン、銅およびニオブを含み、
前記第1の軟磁性材料のケイ素含有率は、4重量%以上かつ5重量%以下であり、
前記固定子コアが有する前記各板材は、ナノ結晶材である請求項3に記載の永久磁石同期電動機。 - 前記第1の厚さは、0.1mm以上かつ0.25mm未満であり、
前記第1の軟磁性材料のケイ素含有率は、4重量%以上かつ6.5重量%以下であり、
前記固定子コアが有する前記各板材は、電磁鋼板である請求項3に記載の永久磁石同期電動機。 - 前記各永久磁石は、鉄、ネオジウムおよびボロンを含む請求項1に記載の永久磁石同期電動機。
- 前記各永久磁石は、さらに4重量%以下のディスプロシウムを含む請求項7に記載の永久磁石同期電動機。
- 前記固定子コアは、環状に連結された複数のコア片を有する請求項1に記載の永久磁石同期電動機。
- 請求項1から9のいずれか1項に記載された永久磁石同期電動機を備えた圧縮機。
- 請求項10に記載された圧縮機を備えた空気調和機。
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PCT/JP2016/051547 WO2017126053A1 (ja) | 2016-01-20 | 2016-01-20 | 永久磁石同期電動機、圧縮機および空気調和機 |
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US (1) | US20180358846A1 (ja) |
JP (1) | JPWO2017126053A1 (ja) |
CN (1) | CN108702075A (ja) |
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WO2018230384A1 (ja) | 2017-06-14 | 2018-12-20 | 株式会社 マキタ | 電動工具 |
US11843334B2 (en) | 2017-07-13 | 2023-12-12 | Denso Corporation | Rotating electrical machine |
CN114552828B (zh) | 2017-07-21 | 2023-08-15 | 株式会社电装 | 旋转电机 |
DE112018006699T5 (de) | 2017-12-28 | 2020-09-10 | Denso Corporation | Rotierende elektrische Maschine |
JP7006541B2 (ja) | 2017-12-28 | 2022-01-24 | 株式会社デンソー | 回転電機 |
JP6939750B2 (ja) * | 2017-12-28 | 2021-09-22 | 株式会社デンソー | 回転電機 |
CN111512519B (zh) | 2017-12-28 | 2022-10-11 | 株式会社电装 | 旋转电机 |
DE112018006717T5 (de) | 2017-12-28 | 2020-09-10 | Denso Corporation | Rotierende elektrische Maschine |
JP7038340B2 (ja) * | 2018-01-29 | 2022-03-18 | パナソニックIpマネジメント株式会社 | 圧縮機 |
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JP7222327B2 (ja) * | 2019-07-17 | 2023-02-15 | 日本製鉄株式会社 | ロータコア及び回転電機 |
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WO2021176668A1 (ja) | 2020-03-05 | 2021-09-10 | 株式会社デンソー | 回転電機 |
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JP2022048726A (ja) * | 2020-09-15 | 2022-03-28 | 株式会社三井ハイテック | 回転電機のコア部 |
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- 2016-01-20 JP JP2017562212A patent/JPWO2017126053A1/ja active Pending
- 2016-01-20 US US15/765,155 patent/US20180358846A1/en not_active Abandoned
- 2016-01-20 CN CN201680068599.XA patent/CN108702075A/zh active Pending
- 2016-01-20 WO PCT/JP2016/051547 patent/WO2017126053A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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US20180358846A1 (en) | 2018-12-13 |
CN108702075A (zh) | 2018-10-23 |
WO2017126053A1 (ja) | 2017-07-27 |
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