JPS60194787A - Operating device of single-phase motor - Google Patents

Operating device of single-phase motor

Info

Publication number
JPS60194787A
JPS60194787A JP59047042A JP4704284A JPS60194787A JP S60194787 A JPS60194787 A JP S60194787A JP 59047042 A JP59047042 A JP 59047042A JP 4704284 A JP4704284 A JP 4704284A JP S60194787 A JPS60194787 A JP S60194787A
Authority
JP
Japan
Prior art keywords
voltage
motor
power supply
coil
capacitor
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
JP59047042A
Other languages
Japanese (ja)
Inventor
Yasuaki Miyoda
御代田 安旦
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP59047042A priority Critical patent/JPS60194787A/en
Publication of JPS60194787A publication Critical patent/JPS60194787A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/04Single phase motors, e.g. capacitor motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE:To improve a plurality of voltage correspondences by simplifying a main coil, an auxiliary coil and a capacitor of a motor, and automatically opening or closing a selection switch by a relay of a voltage discriminator so that the prescribed voltage is applied to the motor. CONSTITUTION:An auxiliary coil 4 is displaced at 90 deg. of electric angle spatially from a main coil 3, a capacitor 5 is connected in series, a parallel circuit with the coil 3 is formed to construct a single phase induction motor. A voltage discriminator 13 and a voltage controller 8 with transistors are added, the voltage of a power source 1 is automatically discriminated to automatically switch a selection switch 7 by the operation of a relay 14, and the prescribed voltage is always applied to the motor 2.

Description

【発明の詳細な説明】 〔発明の利用分野〕 本発明は、電源電圧がほぼl:2となる2種類以上の電
源回路に適合する電動機の運転回路に係り、特に2種類
の電源中いずれの電源に接続しても自動的に電動機には
一定の電圧がかかるようにし、製造上および取扱い上好
適な複数電源に対応できる単相電動機の運転回路に関す
るものである。
[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an operating circuit for an electric motor that is compatible with two or more types of power supply circuits in which the power supply voltage is approximately 1:2, and particularly relates to The present invention relates to a single-phase motor operating circuit that automatically applies a constant voltage to the motor even when connected to a power source, and is compatible with multiple power sources suitable for manufacturing and handling.

小形電動機は家庭電圧機器などに多く使用されこれらは
単相電源駆動で、その電圧が100V代と200V代の
2種類があり、それらの関係はほぼ1:2に近い。従来
これらの電源に対応するために、単相誘導電動機の主コ
イルおよび補助コイルの各々のコイルを2分割して、こ
れらを各々並列または直列に、またコンデンサ誘導電動
機においては、コンデンサも2分割してこれもまた並列
または直列に接続切換えする方法がとられ、電動機のコ
イル端子数、コンデンサの端子数増加で製作上、取扱い
上複雑で接続誤りを起すなどの問題点を持っていた。
Small motors are often used in household voltage equipment, etc., and these motors are driven by a single-phase power supply, and there are two types of voltage: 100V and 200V, and the relationship between them is approximately 1:2. Conventionally, in order to accommodate these power sources, the main coil and auxiliary coil of a single-phase induction motor were divided into two, and these were connected in parallel or in series, and in the case of a capacitor induction motor, the capacitor was also divided into two. This also involves switching between parallel and series connections, which increases the number of motor coil terminals and capacitor terminals, which complicates manufacturing and handling, resulting in problems such as connection errors.

本発明の目的は、電動機の主コイルおよび補助コイル、
コンデンサを単一化するとともに取扱い上も電源電圧を
運転回路自体が自動的に選択して前記の欠点を除去した
、すぐれた複電圧対応の単相電動機運転回路を提供する
ものである。
The object of the present invention is to provide a main coil and an auxiliary coil of an electric motor,
An object of the present invention is to provide an excellent single-phase motor operating circuit compatible with multiple voltages, which eliminates the above-mentioned drawbacks by unifying the capacitor and automatically selecting the power supply voltage for handling by the operating circuit itself.

〔発明の概要〕[Summary of the invention]

本発明の特徴とするところは、電動機は低い方の電源電
圧Eに対応したものとし、電源電圧が2Eとなったとき
には、電動機と電源に直列に電圧制御回路が自動的に接
続され、電動機には常にEなる電圧が印加され運転でき
るようにするもので、本発明によれば、電動機のコイル
構成が簡単であるほかコンデンサも単一化可能であり、
電源電圧の異なる場所で使用するときにも、めんどうな
回路の接続変更が不要である。
The feature of the present invention is that the motor is compatible with the lower power supply voltage E, and when the power supply voltage reaches 2E, a voltage control circuit is automatically connected in series with the motor and the power supply. The voltage E is always applied to enable operation. According to the present invention, the coil configuration of the motor is simple and the capacitor can be unified.
Even when used in locations with different power supply voltages, there is no need for troublesome circuit connection changes.

〔発明の実施例〕[Embodiments of the invention]

以下、本発明を図面に示すコンデンサ誘導電動機(以下
、電動機という)の実施例について説明する。図におい
て1は単相交流の電源で2は電動機、3はその主コイル
、4は補助コイルで主コイル3と空間的に電気角で90
@変位しておりコンデンサ5を直列に接続したうえで主
コイル3と並列回路を形成し単相誘導電動機を構成する
。6は主コイル3および補助コイル4により付勢され回
転力を発生する回転子である。7は選択スイッチで電圧
判別回路13により電源1の電圧がE (V)のときは
電動機2に電源1が直接接続され、電源■が2E(V)
のときには電圧判別回路13が動作し、リレー14を励
磁し接点を第3図の状態から第4図に示すよう左側に移
動させ電動機2に電圧制御回路8を直列に接続して電源
1の電圧2E(V)をここでE (V)として電動機2
に印加するものである。電圧判別回路13は電源1の両
端にトライアック15とリレー14を直列にした回路を
挿入しこのトライアック15を抵抗16および点弧コン
デンサ17による積分回路を形成し点弧コンデンサ17
の電位が所定値に達したところで、トライアック15に
ダイアック18を通してパルスを送りトライアック15
を導通させて、リレー14を励磁し選択スイッチを動作
させるものである。この場合、電源1の電圧がE(V)
のときには、トライアック15が導通しないように抵抗
16および点弧コンデンサ17の定数を決定するもので
DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a capacitor induction motor (hereinafter referred to as a motor) according to the present invention will be described as shown in the drawings. In the figure, 1 is a single-phase AC power source, 2 is an electric motor, 3 is its main coil, and 4 is an auxiliary coil, which is spatially 90 electrical angles from the main coil 3.
A single-phase induction motor is constructed by connecting the capacitor 5 in series and forming a parallel circuit with the main coil 3. A rotor 6 is energized by the main coil 3 and the auxiliary coil 4 and generates rotational force. 7 is a selection switch, and when the voltage of the power supply 1 is E (V) according to the voltage discrimination circuit 13, the power supply 1 is directly connected to the motor 2, and the power supply ■ is 2E (V).
When , the voltage discrimination circuit 13 operates, energizes the relay 14, moves the contact from the state shown in FIG. 3 to the left side as shown in FIG. 2E (V) is now E (V) and electric motor 2
It is applied to The voltage discrimination circuit 13 includes a circuit in which a triac 15 and a relay 14 are connected in series between both ends of the power supply 1, and the triac 15 forms an integrating circuit with a resistor 16 and an ignition capacitor 17.
When the potential of the triac 15 reaches a predetermined value, a pulse is sent to the triac 15 through the diac 18.
conducts, energizes the relay 14, and operates the selection switch. In this case, the voltage of power supply 1 is E(V)
In this case, the constants of the resistor 16 and the ignition capacitor 17 are determined so that the triac 15 does not conduct.

電源lの電圧が2E(V)のときにだけリレー14を動
作させるように設定する必要がある。電圧制御回路8は
、電源1と電動機2とに直列接続されるもので、この中
にはトライアック9が含まれ、この両端子間には抵抗1
oと点弧コンデンサ11の直列回路が接続され、これら
の中点がらトライアック9の点弧のためのパルスを送る
ダイアック12がトライアック9のゲートに接続される
。前抵抗10および点弧コンデンサ11もまた積分回路
を形成し点弧コンデンサ11の電位が所定値まで上昇し
たときにダイアック12を介してトライアック9が導通
する。この導通時期を第6図の基準正弦波の電圧2 E
 (V)の波形から導通開始を第7図に示すようにπ/
2だけ時間的にずらしてやることにより電動機2の実効
印加電圧はE(V)とすることができるものである。な
お第5図は電源1の電圧がE(V)のときの波形を示す
ものである。
It is necessary to set the relay 14 to operate only when the voltage of the power supply l is 2E (V). The voltage control circuit 8 is connected in series with the power supply 1 and the motor 2, and includes a triac 9, with a resistor 1 connected between both terminals.
A series circuit of an ignition capacitor 11 is connected to the ignition capacitor 11, and a diac 12, which sends a pulse for ignition of the triac 9 from their midpoint, is connected to the gate of the triac 9. The pre-resistor 10 and the ignition capacitor 11 also form an integrating circuit, and when the potential of the ignition capacitor 11 rises to a predetermined value, the triac 9 becomes conductive via the diac 12. This conduction timing is determined by the reference sine wave voltage 2 E in Figure 6.
The start of conduction is determined from the waveform (V) by π/
By shifting the time by 2, the effective voltage applied to the motor 2 can be set to E (V). Note that FIG. 5 shows the waveform when the voltage of the power source 1 is E (V).

従来の第1図および第2図に示す方式では、電源lの電
圧Eまたは2E(V)で主コイル3を2分割し、31.
32とし補助コイル4も同様に41゜42に2分割する
ほか、コンデンサ5も51,52に2分割して複雑な端
子の接続変更が必要で電源の電圧がE (V)のときは
コイル、コンデンサの並列接続を、2E(V)のときは
直列接続とすることが必要であった。
In the conventional system shown in FIGS. 1 and 2, the main coil 3 is divided into two parts by the voltage E or 2E (V) of the power supply l, and the main coil 3 is divided into two parts.
32, and the auxiliary coil 4 is similarly divided into two parts at 41° and 42°, and the capacitor 5 is also divided into two parts at 51 and 52, which requires complicated terminal connection changes.When the power supply voltage is E (V), the coil, At 2E (V), it was necessary to change the parallel connection of capacitors to series connection.

〔発明の効果〕〔Effect of the invention〕

このように、従来の方式では電動機のコイルを2分割す
るためコイルの端子数が増加し、電動機の構造を複雑化
する結果となって、さらにはコンデンサも端子数が増加
するなど、電動機1の製作上も手数が増加するほか、コ
ンデンサ5も端子数が増加しており、製作上の手数だけ
ではなく、電源電圧の異なるところで使用するときの、
接続変更にも大きな手数を要していた。このほか、接続
の誤りによるコイル焼損や電源短絡などの要因も持って
おり取扱い上、危険な要素を持っていた。
In this way, in the conventional method, the coil of the motor is divided into two parts, which increases the number of coil terminals, complicating the structure of the motor.Furthermore, the number of terminals of the capacitor increases, resulting in problems with the motor 1. In addition to the increase in manufacturing time, the number of terminals for the capacitor 5 has also increased, which not only increases the manufacturing time, but also increases the
Changing connections also required a great deal of effort. In addition, incorrect connections can cause coil burnout and power short circuits, making them dangerous to handle.

これに対し本発明は、半導体による電圧判別回路13と
電圧制御口II8の付加により電源1の電圧を自動的に
判別してリレー14の作用で選択スイッチ7を自動的に
切換えて、電動機2には常に電圧E (V)が印加され
るため電動Ia2のコイルの2分割とコンデンサ5の2
分割は不要であり、両者の製作も容易となり、また取扱
い上も自動的切換えで手数がかからないなどの効果があ
る。
In contrast, the present invention automatically determines the voltage of the power supply 1 by adding a semiconductor-based voltage determination circuit 13 and a voltage control port II8, and automatically switches the selection switch 7 by the action of the relay 14. Since the voltage E (V) is always applied, the coil of electric Ia2 is divided into two parts and the capacitor 5 is divided into two parts.
There is no need to separate them, making it easy to manufacture both, and there are also advantages in terms of handling, such as automatic switching, which saves time and effort.

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

第1図、第2図は従来の電源電圧運転することのできる
コンデンサ誘導電動機の結線図で、第1図および第2図
は電圧Eおよび電圧2Eに対応する結線図、第3図、第
4図は本発明の一実施例のコンデンサ誘導電動機の結線
図で、第3図および第4図は電圧Eおよび電圧2Eに対
応する結線図、第5図および第6図は電源電圧Eおよび
電源電圧2Eにおける電圧波形図、第7図は本発明の電
源電圧2Eのときの電動機印加電圧波形図である。 1・・・電源、2・・・電動機、3,31.32・・・
主コイル、4,41.42・・・補助コイル=5.51
゜52・・・コンデンサ、6・・・回転子、7・・・選
択スイッチ、8・・・電圧制御回路、9,15・・・ト
ライアック、10.16・・・抵抗、11,17・・・
点弧コンデンサ。 12.18・・・ダイアック、13・・・電圧判別回路
、¥1図 1″?31”113 へ も5図 眠6日 も−日
Figures 1 and 2 are wiring diagrams of a capacitor induction motor that can be operated with a conventional power supply voltage. Figures 1 and 2 are wiring diagrams corresponding to voltages E and 2E, and Figures 3 and 4 are The figure is a wiring diagram of a capacitor induction motor according to an embodiment of the present invention. Figures 3 and 4 are wiring diagrams corresponding to voltage E and voltage 2E, and Figures 5 and 6 are wiring diagrams corresponding to power supply voltage E and power supply voltage. FIG. 7 is a voltage waveform diagram of the voltage applied to the motor when the power supply voltage is 2E according to the present invention. 1...Power supply, 2...Electric motor, 3,31.32...
Main coil, 4, 41.42... Auxiliary coil = 5.51
゜52... Capacitor, 6... Rotor, 7... Selection switch, 8... Voltage control circuit, 9, 15... Triac, 10.16... Resistor, 11, 17...・
ignition capacitor. 12.18...Diac, 13...Voltage discrimination circuit, ¥1 figure 1''?31''113 Tomo 5 figure sleep 6 days - day

Claims (1)

【特許請求の範囲】[Claims] ■、単相電源と単相誘導電動機と直列にトライアックと
その点弧回路を備えた電圧制御回路、電源と並列にトラ
イアックとリレーを直列に接続した電源の電圧判別回路
を備え、電源の電圧がE (V)のときには電圧制御回
路を経由することなく電動機に電源が、電圧2 E (
V)のときには電源から電圧制御回路を経て電動機には
E (V)の電圧が印加されるよう電圧判別回路のリレ
ーで選択スイッチを自動開閉してなることを特徴とする
単相電動機の運転装置。
■A voltage control circuit with a triac and its ignition circuit connected in series with a single-phase power supply and a single-phase induction motor, and a power supply voltage discrimination circuit with a triac and a relay connected in series in parallel with the power supply. When E (V), power is supplied to the motor without going through the voltage control circuit, and voltage 2 E (
A driving device for a single-phase motor, characterized in that a selection switch is automatically opened and closed by a relay in a voltage discrimination circuit so that a voltage of E (V) is applied from the power source to the motor via a voltage control circuit when the voltage is V). .
JP59047042A 1984-03-14 1984-03-14 Operating device of single-phase motor Pending JPS60194787A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59047042A JPS60194787A (en) 1984-03-14 1984-03-14 Operating device of single-phase motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59047042A JPS60194787A (en) 1984-03-14 1984-03-14 Operating device of single-phase motor

Publications (1)

Publication Number Publication Date
JPS60194787A true JPS60194787A (en) 1985-10-03

Family

ID=12764107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59047042A Pending JPS60194787A (en) 1984-03-14 1984-03-14 Operating device of single-phase motor

Country Status (1)

Country Link
JP (1) JPS60194787A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63231606A (en) * 1987-03-20 1988-09-27 Matsushita Electric Ind Co Ltd Power supply circuit
US5475555A (en) * 1990-11-30 1995-12-12 Matsushita Electric Industrial Co., Ltd. Cassette condition indicating device having plug with multiple selectable positions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63231606A (en) * 1987-03-20 1988-09-27 Matsushita Electric Ind Co Ltd Power supply circuit
US5475555A (en) * 1990-11-30 1995-12-12 Matsushita Electric Industrial Co., Ltd. Cassette condition indicating device having plug with multiple selectable positions
US5654855A (en) * 1990-11-30 1997-08-05 Matsushita Electric Industrial Co., Ltd. Tape cassette having ribs for regulating axial movement of the tape reels
US5796563A (en) * 1990-11-30 1998-08-18 Matsushita Electric Industrial Co., Ltd. Tape cassette having locking front cover with ribs or projection

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