JP2638827B2 - Electric motor - Google Patents
Electric motorInfo
- Publication number
- JP2638827B2 JP2638827B2 JP62204763A JP20476387A JP2638827B2 JP 2638827 B2 JP2638827 B2 JP 2638827B2 JP 62204763 A JP62204763 A JP 62204763A JP 20476387 A JP20476387 A JP 20476387A JP 2638827 B2 JP2638827 B2 JP 2638827B2
- Authority
- JP
- Japan
- Prior art keywords
- electric motor
- compressor
- evaporator
- motor
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Superconductive Dynamoelectric Machines (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、超伝導材料をその構成要素として用いた電
動機に関する。Description: TECHNICAL FIELD The present invention relates to a motor using a superconducting material as a component thereof.
従来、電動機は常伝導材料のみで構成されていた。 Conventionally, electric motors have been composed only of normal conductive materials.
しかし、従来の技術では電動機の効率はコイルの抵抗
成分による銅損によって限界があり、またその損失はす
べて熱になるため、大きな熱容量を電動機に与えること
が不可欠で電動機の小型化も困難であつた。However, in the conventional technology, the efficiency of the motor is limited by the copper loss due to the resistance component of the coil, and all of the loss becomes heat. Therefore, it is essential to provide a large heat capacity to the motor and it is difficult to reduce the size of the motor. Was.
そこで本発明の電動機は従来のこのような問題点を解
決するため、効率良く小型化が容易な電動機を提供する
ことを目的としている。Therefore, an object of the present invention is to provide a motor that can be efficiently and easily reduced in size in order to solve the conventional problems.
本発明の第１の電動機は，構成要素の一部に超伝導材
料を用いた電動機であって，電磁コイルが配設された固
定子と，軸に固着された回転子と，前記軸に駆動部が直
結された圧縮器と，該圧縮器と接続された凝縮器と，蒸
発器とを有してなり，前記固定子と，前記回転子と，前
記圧縮器と，前記蒸発器とが電動機ケース内に配置され
てなることを特徴とする。A first electric motor according to the present invention is a motor using a superconducting material for a part of components, and includes a stator having an electromagnetic coil, a rotor fixed to a shaft, and a drive A compressor directly connected to the compressor, a condenser connected to the compressor, and an evaporator, wherein the stator, the rotor, the compressor, and the evaporator are connected to an electric motor. It is characterized by being arranged in a case.
また本発明の第２の電動機は，構成要素の一部に超伝
導材料を用いた電動機であって，前記超伝導材料からな
る電磁コイルが配設された固定子と，軸に固着された回
転子と，前記軸に駆動部が直結された圧縮器と，該圧縮
器と接続された凝縮器と，蒸発器とを有してなり，前記
固定子と，前記回転子と，前記圧縮器と，前記蒸発器と
が電動機ケース内に配置されてなることを特徴とする。A second electric motor according to the present invention is a motor using a superconducting material for a part of a component, and comprises a stator provided with an electromagnetic coil made of the superconducting material, and a rotating motor fixed to a shaft. And a compressor having a drive unit directly connected to the shaft, a condenser connected to the compressor, and an evaporator, wherein the stator, the rotor, the compressor, , And the evaporator are disposed in a motor case.
上記手段によれば，電動機を起動すると冷却システム
が動作して，例えば電磁コイルを冷却し，電磁コイルが
超伝導材料の超伝導転移温度以下に冷却されると，電磁
コイルの電気抵抗が消失してジュール熱の発生もなくな
り，さらに冷却状態が安定的に維持される。超伝導転移
温度以下に冷却された電磁コイルには銅損がないから電
動機の効率が向上するとともに，ジュール熱の発生もな
いから熱容量を小さくすることができて，電動機の小型
軽量化を図ることができる。また，電動機が圧縮器を直
接駆動するように構成することにより，電動機をより小
型化することができる。さらに，固定子及び回転子の周
囲の空隙部を蒸発器とすることによっても，内部構造を
簡易に構成できるから電動機の更なる小型化を図ること
ができる。According to the above means, when the electric motor is started, the cooling system operates to cool, for example, the electromagnetic coil. When the electromagnetic coil is cooled below the superconducting transition temperature of the superconducting material, the electric resistance of the electromagnetic coil disappears. As a result, no Joule heat is generated, and the cooling state is stably maintained. Electromagnetic coils cooled below the superconducting transition temperature have no copper loss, which improves the efficiency of the motor and reduces the heat capacity because there is no generation of Joule heat, thereby reducing the size and weight of the motor. Can be. Further, by configuring the motor to directly drive the compressor, the size of the motor can be further reduced. Furthermore, the use of an evaporator in the space around the stator and the rotor also allows the internal structure to be simplified, thereby further reducing the size of the motor.
〔実施例〕 本発明の実施例を図面に基づいて説明する。Example An example of the present invention will be described with reference to the drawings.
第１図において１は回転子で軸２に固着され、軸受10に
よって支持されている。５は固定子で線材化された超伝
導材料によるコイル３が巻かれている。超伝導材料は常
温以下の超伝導転移点を持つ。６は圧縮器で電動機の軸
２にその駆動部が直結されている。圧縮器6,凝縮器7,膨
張弁8,蒸発器９は内部に冷却ガスが封入され冷凍サイク
ルを形成している。なお蒸発器９は固定子と回転子の空
隙部を蒸発器として使用している。In FIG. 1, reference numeral 1 denotes a rotor fixed to a shaft 2 and supported by a bearing 10. Reference numeral 5 denotes a coil 3 made of a superconducting material which is made into a wire by a stator. Superconducting materials have a superconducting transition point below room temperature. Reference numeral 6 denotes a compressor whose drive unit is directly connected to the shaft 2 of the electric motor. The compressor 6, the condenser 7, the expansion valve 8, and the evaporator 9 are filled with a cooling gas to form a refrigeration cycle. The evaporator 9 uses the gap between the stator and the rotor as an evaporator.
上記の構成の電動機の起動直後は超伝導材料で構成さ
れたコイル３が常伝導状態にあるため抵抗値を持つ。従
って電動機保護のためコイル３の温度が超伝導転移点以
下に下がるまで、軸２の負荷状態は無負荷、もしくは軽
負荷でなくてはならない。しかし電動機の回転によって
冷凍システムが駆動されるに従ってコイル３の温度は下
がり超伝導転移温度に達する。その時点でコイル３のジ
ュール熱による発熱が無くなるため、急速に電動器内部
の温度が降下し、コイル３は安定した超伝導状態を保
つ。この状態で電動器には定格負荷を与えることがで
き、この検出はコイル３の抵抗値検出によって行なうこ
とができる。以上のような実施例において電動機のコイ
ルが超伝導転移温度以下まで冷却された後は銅損が無
く、電動機の効率は極めて上昇する。またジュール熱の
発生も完全に押さえられるため、熱容量が小さくでき電
動機の小型軽量化を可能にする。Immediately after the motor having the above configuration is started, the coil 3 made of a superconducting material has a resistance value in a normal conduction state. Therefore, the load state of the shaft 2 must be no load or light load until the temperature of the coil 3 falls below the superconducting transition point for motor protection. However, as the refrigeration system is driven by the rotation of the motor, the temperature of the coil 3 decreases and reaches the superconducting transition temperature. At that time, the heat generated by the Joule heat of the coil 3 disappears, so that the temperature inside the motor rapidly drops, and the coil 3 maintains a stable superconducting state. In this state, a rated load can be applied to the electric motor, and this detection can be performed by detecting the resistance value of the coil 3. In the above embodiment, after the coil of the motor is cooled to a temperature lower than the superconducting transition temperature, there is no copper loss, and the efficiency of the motor is extremely increased. Further, since the generation of Joule heat is completely suppressed, the heat capacity can be reduced, and the size and weight of the electric motor can be reduced.
上述の如く本発明によれば，固定子と，回転子と，圧
縮器と，蒸発器とが電動機ケース内に配置されてなるの
で，電動機の効率が向上し，しかも小型軽量化を図るこ
とができる。さらには，電動機ケース内を直接的に冷却
することができるので，電動機内部の温度降下を急速に
行うことができる。As described above, according to the present invention, the stator, the rotor, the compressor, and the evaporator are arranged in the motor case, so that the efficiency of the motor is improved and the size and weight are reduced. it can. Further, since the inside of the motor case can be directly cooled, the temperature inside the motor can be rapidly lowered.
第１図は、本発明にかかる電動機の縦断面図である。 １……回転子 ２……軸 ３……コイル ４……電動機ケース ５……継鉄 ６……圧縮器 ７……凝縮器 ８……膨張弁 ９……蒸発器 10……軸受 FIG. 1 is a longitudinal sectional view of an electric motor according to the present invention. DESCRIPTION OF SYMBOLS 1 ... Rotor 2 ... Shaft 3 ... Coil 4 ... Electric motor case 5 ... Yoke 6 ... Compressor 7 ... Condenser 8 ... Expansion valve 9 ... Evaporator 10 ... Bearing
───────────────────────────────────────────────────── フロントページの続き (72)発明者 名取 栄治 長野県諏訪市大和３丁目３番５号 セイ コーエプソン株式会社内 (72)発明者 柳澤 通雄 長野県諏訪市大和３丁目３番５号 セイ コーエプソン株式会社内 (72)発明者 遠藤 健一 長野県諏訪市大和３丁目３番５号 セイ コーエプソン株式会社内 (56)参考文献 特開 昭63−249465（ＪＰ，Ａ) 特開 昭63−249466（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Eiji Natori 3-3-5 Yamato, Suwa City, Nagano Prefecture Inside Seiko Epson Corporation (72) Mitsuo Yanagisawa 3-5-3 Yamato, Suwa City, Nagano Prefecture Say Inside Koepson Corporation (72) Inventor Kenichi Endo 3-3-5 Yamato, Suwa-shi, Nagano Seiko Epson Corporation (56) References JP-A-63-249465 (JP, A) JP-A-63- 249466 (JP, A)
Claims (6)
機であって， 電磁コイルが配設された固定子と，軸に固着された回転
子と，前記軸に駆動部が直結された圧縮器と，該圧縮器
と接続された凝縮器と，蒸発器とを有してなり， 前記固定子と，前記回転子と，前記圧縮器と，前記蒸発
器とが電動機ケース内に配置されてなることを特徴とす
る電動機。An electric motor using a superconducting material as a part of a component, wherein a stator provided with an electromagnetic coil, a rotor fixed to a shaft, and a drive unit directly connected to the shaft. A compressor, a condenser connected to the compressor, and an evaporator, wherein the stator, the rotor, the compressor, and the evaporator are arranged in a motor case. An electric motor characterized by being made.
駆動され，前記電動機ケース内が冷却されてなることを
特徴とする特許請求の範囲第１項記載の電動機。2. The electric motor according to claim 1, wherein the compressor is driven by rotation of a shaft of the electric motor, and the inside of the electric motor case is cooled.
固定子及び前記回転子の周囲の空隙部で構成されている
ことを特徴とする特許請求の範囲第１項記載の電動機。3. The electric motor according to claim 1, wherein said evaporator is constituted by a gap around said stator and said rotor in said motor case.
機であって， 前記超伝導材料からなる電磁コイルが配設された固定子
と，軸に固着された回転子と，前記軸に駆動部が直結さ
れた圧縮器と，該圧縮器と接続された凝縮器と，蒸発器
とを有してなり， 前記固定子と，前記回転子と，前記圧縮器と，前記蒸発
器とが電動機ケース内に配置されてなることを特徴とす
る電動機。4. An electric motor using a superconducting material for a part of a component, comprising: a stator provided with an electromagnetic coil made of the superconducting material; a rotor fixed to a shaft; A compressor directly connected to the compressor, a condenser connected to the compressor, and an evaporator, wherein the stator, the rotor, the compressor, the evaporator, Is arranged in a motor case.
駆動され，前記電動機ケース内が冷却されてなることを
特徴とする特許請求の範囲第４項記載の電動機。5. The electric motor according to claim 4, wherein the compressor is driven by rotation of a shaft of the electric motor, and the inside of the electric motor case is cooled.
固定子及び前記回転子の周囲の空隙部で構成されている
ことを特徴とする特許請求の範囲第４項記載の電動機。6. The electric motor according to claim 4, wherein said evaporator is constituted by a space around said stator and said rotor in said motor case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62204763A JP2638827B2 (en) | 1987-08-18 | 1987-08-18 | Electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62204763A JP2638827B2 (en) | 1987-08-18 | 1987-08-18 | Electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6447266A JPS6447266A (en) | 1989-02-21 |
| JP2638827B2 true JP2638827B2 (en) | 1997-08-06 |
Family
ID=16495942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62204763A Expired - Lifetime JP2638827B2 (en) | 1987-08-18 | 1987-08-18 | Electric motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2638827B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730985B (en) * | 2014-01-21 | 2015-12-09 | 电子科技大学 | A kind of megawatt high temperature superconductor fan system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63249465A (en) * | 1987-04-03 | 1988-10-17 | Hitachi Ltd | Superconducting motor |
-
1987
- 1987-08-18 JP JP62204763A patent/JP2638827B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6447266A (en) | 1989-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2278581C (en) | Improvements in high speed electric motors | |
| EP0233738A1 (en) | Dynamo electric machines | |
| JPH0716297B2 (en) | Electric motor | |
| EP1407529B1 (en) | Torque transmission assembly for use in superconducting rotating machines | |
| JP2002335024A (en) | Cryogenic cooling system | |
| GB2462532A (en) | Brushless motor/generator with trapped-flux superconductors | |
| JP2638827B2 (en) | Electric motor | |
| US7728466B2 (en) | Machine based on superconducting technology with part support elements | |
| JPH09163681A (en) | Dynamo-electric machine for electric car | |
| JPS62268346A (en) | Brushless motor | |
| US6577028B2 (en) | High temperature superconducting rotor power leads | |
| EP3518399B1 (en) | A cooling system for a superconducting generator | |
| US11823820B2 (en) | PTC starter | |
| JP2001037190A (en) | Dynamo-electric machine with self-starting permanent magnet | |
| JPH10285906A (en) | Rotor of superconductive dynamoelectric machine | |
| CN214315017U (en) | Rotor superconducting hybrid superconducting disk type motor | |
| JP2603002B2 (en) | Superconducting rotating electric machine rotor | |
| JPH01177496A (en) | Air current generating device | |
| JPH02188143A (en) | Internal cooler for enclosed outer fan type motor | |
| JP2002300763A (en) | Drive device for induction synchronous motor | |
| JPH10201194A (en) | Air-cooled capacitor | |
| CN112165235A (en) | Rotor superconducting hybrid superconducting disk type motor | |
| CN112217376A (en) | Rotor superconducting structure | |
| CN203352412U (en) | Large-scale direct-drive superconductive switched reluctance wind driven generator | |
| JPS61161936A (en) | Cooler of rotary electric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080425 Year of fee payment: 11 |