JP2932800B2 - How to measure rotor stray load loss - Google Patents
How to measure rotor stray load lossInfo
- Publication number
- JP2932800B2 JP2932800B2 JP30013091A JP30013091A JP2932800B2 JP 2932800 B2 JP2932800 B2 JP 2932800B2 JP 30013091 A JP30013091 A JP 30013091A JP 30013091 A JP30013091 A JP 30013091A JP 2932800 B2 JP2932800 B2 JP 2932800B2
- Authority
- JP
- Japan
- Prior art keywords
- measured
- torque
- rotor
- shaft
- 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 - Fee Related
Links
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【0001】[0001]
【産業上の利用分野】本発明は、特に製造現場で電動機
のロータの漂遊負荷損を測定する方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for measuring the stray load loss of a motor rotor, particularly at a manufacturing site.
【0002】[0002]
【従来の技術】近年、電動機の特性測定は被試験用の電
動機に実負荷をかけ、各種データをコンピュータで処理
して自動的に諸特性の表示がなされるようになってき
た。このような装置で得られた各種特性データの一部か
ら漂遊負荷損の値を測定していた。以下、図面を参照し
ながら上述した従来の電動機の特性測定装置について説
明する。図2は従来の電動機の特性測定装置のシステム
構成を示すものである。図2において特性を測定しよう
とする被試験モータ21はトルク検出器22を介してそ
の後部に回転検出器24を有する負荷装置23に連結さ
れる。試験電源25は被試験モータ21およびコンピュ
ータ26と電気的に結合されている。コンピュータ26
はトルク検出器22、回転検出器24および周辺機器2
7とも電気的に結合されている。上記構成において被試
験モータ21に電源を印加し回転させ、負荷装置23で
負荷を掛ける。その時の各種の信号がコンピュータ26
に入力され、その演算結果が周辺機器27に図表やデー
タ表として出力される。2. Description of the Related Art In recent years, in measuring the characteristics of a motor, an actual load has been applied to the motor under test, and various data have been processed by a computer to automatically display various characteristics. The value of the stray load loss was measured from a part of the various characteristic data obtained by such an apparatus. Hereinafter, the conventional electric motor characteristic measuring device described above will be described with reference to the drawings. FIG. 2 shows a system configuration of a conventional electric motor characteristic measuring device. In FIG. 2, a motor under test 21 whose characteristics are to be measured is connected via a torque detector 22 to a load device 23 having a rotation detector 24 at the rear thereof. The test power supply 25 is electrically connected to the motor under test 21 and the computer 26. Computer 26
Indicates a torque detector 22, a rotation detector 24 and a peripheral device 2
7 are also electrically coupled. In the above configuration, a power is applied to the motor 21 to be tested and rotated, and a load is applied by the load device 23. Various signals at that time are transmitted to the computer 26.
And the calculation result is output to the peripheral device 27 as a chart or a data table.
【0003】[0003]
【発明が解決しようとする課題】このような従来の特性
測定装置では、被試験モータをこの装置にセットするに
は芯出しなどに相当の時間を要する。また負荷装置やコ
ンピュータ、周辺機器など大掛かりな設備を必要とする
ために現場向きではない。しかもロータをモータ完成状
態にまで組みたてる必要がある。In such a conventional characteristic measuring apparatus, setting the motor under test in this apparatus requires a considerable amount of time for centering and the like. In addition, since large-scale equipment such as a load device, a computer, and a peripheral device is required, it is not suitable for a site. In addition, it is necessary to assemble the rotor to a state where the motor is completed.
【0004】本発明は上記課題を解決するもので、ロー
タ単体で漂遊負荷損を測定する方法を提供することを目
的としている。An object of the present invention is to solve the above-mentioned problem, and an object of the present invention is to provide a method for measuring a stray load loss of a rotor alone.
【0005】[0005]
【課題を解決するための手段】上記目的を達成するため
に本発明のロータの漂遊負荷損の測定方法は、巻線を巻
装したステータと、このステータのセンターを貫通し一
端を軸受装置によって回転自在に支持された片持ちシャ
フトと、このシャフトの軸受装置側に連結されたトルク
検出器と外部駆動用モータとを備えた測定装置の、上記
シャフトに上記ステータと適合する被測定ロータをまわ
り止めして反軸受側から装着し、外部駆動用モータでシ
ャフトを一定速度で駆動するとともにステータに所定電
圧を印加して上記一定速度において被測定ロータが発生
するトルクをトルク検出器で測定し、測定したトルクが
所定の基準トルクより小さい場合、基準トルクと測定し
たトルクとの差を被測定ロータの漂遊負荷損であるとし
ている。In order to achieve the above object, the present invention provides a method for measuring a stray load loss of a rotor, comprising: a stator having windings wound thereon; A measuring device comprising a rotatably supported cantilever shaft, a torque detector connected to the bearing device side of the shaft and an external drive motor, rotates around a measured rotor fitted to the stator with the shaft. Stop and mount from the opposite bearing side, drive the shaft at a constant speed with an external drive motor, apply a predetermined voltage to the stator, measure the torque generated by the measured rotor at the constant speed with a torque detector, If the measured torque is smaller than the predetermined reference torque, the difference between the reference torque and the measured torque is determined to be the stray load loss of the measured rotor.
【0006】[0006]
【作用】本発明は上記した構成により、ロータ単体で漂
遊負荷損の測定をすることができる。According to the present invention, the stray load loss can be measured by the rotor alone with the above configuration.
【0007】[0007]
【実施例】以下、本発明の一実施例を図1を参照しなが
ら説明する。漂遊負荷損を測定する装置は図に示すよう
に被測定ロータ1と適合するステータ2と、ステータ2
のセンターを貫通し一端を軸受装置9によって回転自在
に支持された片持ちシャフト3と、シャフト3の軸受装
置側に連結されたトルク検出器5と、同じくシャフト3
の軸受装置側に連結された外部駆動用モータ6を備えて
いる。外部駆動用モータ6はベルト7を介してシャフト
3に駆動力を伝えている。被測定ロータ1は反軸受側か
らシャフト3に挿入されまわり止めされる。テールスト
ック4が反軸受側の振れ防止として配置されている。ト
ルク検出器5の電気信号およびステータ2に流れる電流
は測定部8に入力されている。An embodiment of the present invention will be described below with reference to FIG. As shown in the figure, a device for measuring stray load loss includes a stator 2 compatible with a rotor 1 to be measured,
Shaft 3 having one end rotatably supported by a bearing device 9 and a torque detector 5 connected to the bearing device side of the shaft 3;
And an external drive motor 6 connected to the bearing device side of the vehicle. The external drive motor 6 transmits a driving force to the shaft 3 via the belt 7. The rotor 1 to be measured is inserted into the shaft 3 from the non-bearing side and is stopped from rotating. A tailstock 4 is arranged to prevent runout on the side opposite to the bearing. The electric signal of the torque detector 5 and the current flowing through the stator 2 are input to the measuring unit 8.
【0008】上記構成において動作を説明すると、被測
定ロータ1はシャフト3に挿入されまわり止めされテー
ルストック4で振れ防止される。この後外部駆動用モー
タ6は、漂遊負荷損が最も出やすい回転速度でシャフト
3を一定回転させる。同時にステータ2に所定の電圧を
印加し、被測定ロータ1が上記一定回転数で発生する回
転トルクをトルク検出器5で測定する。測定部8はトル
ク検出器5の測定値を取り込み、あらかじめ設定されて
いる基準トルクと比較して、測定したトルクが基準トル
クより小さい場合、基準トルクと測定したトルクとの差
を被測定ロータ1の漂遊負荷損であるとし、製品の選別
を行なう。The operation of the above construction will be described. The rotor 1 to be measured is inserted into the shaft 3 and is prevented from rotating. Thereafter, the external drive motor 6 rotates the shaft 3 at a constant rotation speed at which the stray load loss is most likely to occur. At the same time, a predetermined voltage is applied to the stator 2, and a torque detector 5 measures a rotation torque generated by the measured rotor 1 at the above-mentioned constant rotation speed. The measuring unit 8 takes in the measured value of the torque detector 5 and compares it with a preset reference torque. If the measured torque is smaller than the reference torque, the measuring unit 8 determines the difference between the reference torque and the measured torque. And the product is sorted out.
【0009】[0009]
【発明の効果】以上の説明で明らかなように本発明の方
法は測定が簡単に行えるので、製造現場においてロータ
の漂遊負荷損を測定するのに適している。As is apparent from the above description, the method of the present invention can be easily measured, so that it is suitable for measuring a stray load loss of a rotor at a manufacturing site.
【図1】本発明の一実施例の測定方法を説明するための
図FIG. 1 is a diagram for explaining a measuring method according to an embodiment of the present invention.
【図2】従来の測定方法を説明するための図FIG. 2 is a diagram for explaining a conventional measurement method.
1 被測定ロータ 2 ステータ 3 シャフト 5 トルク検出器 6 外部駆動用モータ 9 軸受装置 DESCRIPTION OF SYMBOLS 1 Rotor to be measured 2 Stator 3 Shaft 5 Torque detector 6 External drive motor 9 Bearing device
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) G01L 3/00 G01L 5/00 ──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) G01L 3/00 G01L 5/00
Claims (1)
のセンターを貫通し一端を軸受装置によって回転自在に
支持された片持ちシャフトと、このシャフトの軸受装置
側に連結されたトルク検出器と外部駆動用モータとを備
えた測定装置の、上記シャフトに上記ステータと適合す
る被測定ロータをまわり止めして反軸受側から装着し、
外部駆動用モータでシャフトを一定速度で駆動するとと
もにステータに所定電圧を印加して上記一定速度におい
て被測定ロータが発生するトルクをトルク検出器で測定
し、測定したトルクが所定の基準トルクより小さい場
合、基準トルクと測定したトルクとの差を被測定ロータ
の漂遊負荷損であるとする、ロータの漂遊負荷損の測定
方法。1. A stator on which windings are wound, a cantilever shaft penetrating through the center of the stator and having one end rotatably supported by a bearing device, and a torque detector connected to the bearing device side of the shaft. And a measuring device equipped with an external drive motor, a rotor to be measured that is compatible with the stator is prevented from rotating around the shaft and mounted from the opposite bearing side,
The shaft is driven at a constant speed by an external drive motor, and a predetermined voltage is applied to the stator, and the torque generated by the measured rotor at the constant speed is measured by a torque detector, and the measured torque is smaller than a predetermined reference torque. In this case, a method for measuring the stray load loss of the rotor, wherein the difference between the reference torque and the measured torque is regarded as the stray load loss of the measured rotor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30013091A JP2932800B2 (en) | 1991-11-15 | 1991-11-15 | How to measure rotor stray load loss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30013091A JP2932800B2 (en) | 1991-11-15 | 1991-11-15 | How to measure rotor stray load loss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05133821A JPH05133821A (en) | 1993-05-28 |
JP2932800B2 true JP2932800B2 (en) | 1999-08-09 |
Family
ID=17881098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30013091A Expired - Fee Related JP2932800B2 (en) | 1991-11-15 | 1991-11-15 | How to measure rotor stray load loss |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2932800B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5255345B2 (en) * | 2008-07-03 | 2013-08-07 | アスモ株式会社 | Cogging torque measuring method and cogging torque measuring device |
WO2018158832A1 (en) * | 2017-02-28 | 2018-09-07 | 三菱電機株式会社 | Cross current detection device, cross current detection method, and rotor |
-
1991
- 1991-11-15 JP JP30013091A patent/JP2932800B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05133821A (en) | 1993-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 10 Free format text: PAYMENT UNTIL: 20090528 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100528 Year of fee payment: 11 |
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LAPS | Cancellation because of no payment of annual fees |