JPH03245782A - Ac motor controller - Google Patents

Ac motor controller

Info

Publication number
JPH03245782A
JPH03245782A JP2043183A JP4318390A JPH03245782A JP H03245782 A JPH03245782 A JP H03245782A JP 2043183 A JP2043183 A JP 2043183A JP 4318390 A JP4318390 A JP 4318390A JP H03245782 A JPH03245782 A JP H03245782A
Authority
JP
Japan
Prior art keywords
load
motor
measuring data
section
decrease
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.)
Pending
Application number
JP2043183A
Other languages
Japanese (ja)
Inventor
Mitsuyoshi Tanimoto
谷本 光義
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP2043183A priority Critical patent/JPH03245782A/en
Publication of JPH03245782A publication Critical patent/JPH03245782A/en
Pending legal-status Critical Current

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  • Control Of Electric Motors In General (AREA)

Abstract

PURPOSE:To keep rotational speed on the load side constant regardless of the increase and decrease of load by measuring load, computing the variation of load from the measuring data of the load and controlling a current value transmitted over an AC motor on the basis of the result of the computation. CONSTITUTION:A control section 104 receives a load measuring data 106 from a non-periodical load measuring machine 101 during a time when an AC motor section 102 is turned, and the load measuring data 106 is stored in a storage section 105 while the increase and decrease of load are computed from the load measuring data 106. Supply currents are reduced by an AC-motor current control signal 107 when load is lightened, and supply currents are increased by the AC-motor current control signal 107 when load is weighted. A mechanical output obtained by the supply current value is transmitted over load 103 by a power transmission signal 108.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、負荷を高速で回転させるACモータの制御装
置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control device for an AC motor that rotates a load at high speed.

〔従来の技術〕[Conventional technology]

従来のACモータの制御方式は、ACモータの始動およ
び停止時のみを制御することによってACモータの動力
を負荷に伝達する方式となっている。
A conventional AC motor control method transmits the power of the AC motor to a load by controlling only when the AC motor starts and stops.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

上述したように従来のA Cモータの制御方式は。 As mentioned above, the conventional AC motor control method is as follows.

負荷に無関係KACモータの始動および停止のみを制御
していないため、負荷の変動によって回転速度が増減す
るという欠点がある。
Since only the start and stop of the KAC motor is not controlled regardless of the load, there is a drawback that the rotation speed increases or decreases depending on changes in the load.

〔課題を解決するための手段〕[Means to solve the problem]

本発明のACモータ制御装置は、上述したような問題を
解決するものであり、ACモータに付随した負荷測定機
によって負荷を測定し、その測定結果からACモータに
供給する電流値を制御することによって負荷の回転速度
を一定に保つようにしたものである。
The AC motor control device of the present invention solves the above-mentioned problems, and measures the load with a load measuring device attached to the AC motor, and controls the current value supplied to the AC motor based on the measurement result. This keeps the rotational speed of the load constant.

すなわち、本発明のACモータ制へ装置は、負荷を高速
回転させるACモータを制御するACCメタ御装置にお
いて、前記ACモータに付随させた負荷測定機と、前記
負荷測定機によって測定した負荷測定データに入力して
前記ACモータに供帽する電流値を制御する制御部と、
前記負荷測定機からのデータを記録する記憶部とを備え
ている。
That is, the AC motor control device of the present invention is an ACC meta control device that controls an AC motor that rotates a load at high speed, and includes a load measuring device attached to the AC motor and load measurement data measured by the load measuring device. a control unit that controls a current value input to the AC motor and supplied to the AC motor;
and a storage section for recording data from the load measuring device.

〔実施例〕〔Example〕

次に本発明の実施例について図面を参照して説明する。 Next, embodiments of the present invention will be described with reference to the drawings.

第1図は本発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.

第1図において、ACモータ部102が回転中、制御部
104は随時負荷測定機101から負荷測定データ10
6を受取り、その負荷測定データ106を記憶部105
に記憶するとともに、負荷測定データ106から負荷の
増減を計算し、負荷が軽くなった場合は、ACモータ電
流制御信号107によって供給電流を小さくシ、負荷が
重くなった場合はACモータ電流制御信号107によっ
て供給電流を大きくシ、その供給電流値によって得られ
る機械的な出力を動力伝達信号108によって負荷10
3に伝達する。
In FIG. 1, while the AC motor section 102 is rotating, the control section 104 outputs load measurement data 10 from the load measuring device 101 at any time.
6 and stores the load measurement data 106 in the storage unit 105.
At the same time, an increase or decrease in the load is calculated from the load measurement data 106, and if the load becomes light, the supplied current is reduced by the AC motor current control signal 107, and if the load becomes heavy, the supplied current is reduced by the AC motor current control signal 107. 107 increases the supplied current, and the mechanical output obtained by the supplied current value is transmitted to the load 10 by the power transmission signal 108.
3.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明のACモータ制御装置は、
負荷の測定を行なった後、その負荷の測定データから負
荷の増減を計算し、その計算結果を基にACモータに供
給する電流値を制御することにより負荷側の回転速度を
負荷の増減に係らず一定に保つことができるという効果
がある。
As explained above, the AC motor control device of the present invention includes:
After measuring the load, the load increase/decrease is calculated from the load measurement data, and based on the calculation result, the current value supplied to the AC motor is controlled to adjust the rotation speed of the load side according to the load increase/decrease. This has the effect of keeping the temperature constant.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例を示すブロック区である。 101・・・・・・負荷測定機、102・・・・・・A
Cモータ部、103・・・・・・負荷、104・・・・
・・制御部、105・・・・・記憶部、106・・・・
・・負荷測定データ、107・・・・・・ACモータ電
流制御信号、108・・・・・・動力伝達信号。
FIG. 1 is a block diagram showing one embodiment of the present invention. 101...Load measuring machine, 102...A
C motor section, 103...Load, 104...
...control section, 105...storage section, 106...
...Load measurement data, 107...AC motor current control signal, 108...Power transmission signal.

Claims (1)

【特許請求の範囲】[Claims] 負荷を高速で回転させるACモータを制御するACモー
タ制御装置において、前記ACモータに付随させた負荷
測定機と、前記負荷測定機によって測定した負荷測定デ
ータに入力して前記ACモータに供給する電流値を制御
する制御部と、前記負荷測定機からのデータを記録する
記憶部とを備えることを特徴とするACモータ制御装置
In an AC motor control device that controls an AC motor that rotates a load at high speed, a load measuring device attached to the AC motor and a current supplied to the AC motor by inputting the load measurement data measured by the load measuring device. An AC motor control device comprising: a control unit that controls a value; and a storage unit that records data from the load measuring device.
JP2043183A 1990-02-23 1990-02-23 Ac motor controller Pending JPH03245782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2043183A JPH03245782A (en) 1990-02-23 1990-02-23 Ac motor controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2043183A JPH03245782A (en) 1990-02-23 1990-02-23 Ac motor controller

Publications (1)

Publication Number Publication Date
JPH03245782A true JPH03245782A (en) 1991-11-01

Family

ID=12656792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2043183A Pending JPH03245782A (en) 1990-02-23 1990-02-23 Ac motor controller

Country Status (1)

Country Link
JP (1) JPH03245782A (en)

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