JPH07194162A - Control circuit for speed of series- or compound-wound motor - Google Patents
Control circuit for speed of series- or compound-wound motorInfo
- Publication number
- JPH07194162A JPH07194162A JP5296906A JP29690693A JPH07194162A JP H07194162 A JPH07194162 A JP H07194162A JP 5296906 A JP5296906 A JP 5296906A JP 29690693 A JP29690693 A JP 29690693A JP H07194162 A JPH07194162 A JP H07194162A
- Authority
- JP
- Japan
- Prior art keywords
- series
- winding
- armature
- field winding
- compound
- 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.)
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Links
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- Control Of Direct Current Motors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は直巻又は複巻電動機の速
度制御回路に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speed control circuit for a series or compound winding motor.
【０００２】[0002]
【従来の技術】従来、家庭用電気製品、電動車両、其の
他工業機械等には制御の容易なことから直流の直巻又は
複巻電動機が広く使用されている。一般に、直巻電動機
の種々の速度制御用電気回路の中で、直列界磁分流法は
励磁強度が変化しないことから、電機子電圧を上昇さ
せ、より大きい回転出力が得られることは周知である。2. Description of the Related Art Conventionally, DC direct-winding or compound-winding motors have been widely used for household electric appliances, electric vehicles, and other industrial machines because they are easily controlled. Generally, in various speed control electric circuits of series-wound motors, it is well known that the series field shunt method does not change the excitation intensity, so that the armature voltage is increased and a larger rotation output is obtained. .
【０００３】[0003]
【発明が解決しようとする課題】しかし、回転出力又は
トルクを調節するためには、例えば直列抵抗器による熱
損失や線性効率ユニットによる効率損失等の方法による
ため、出力の大きい電動機では大きな損失となってしま
う。However, in order to adjust the rotation output or the torque, for example, heat loss by a series resistor or efficiency loss by a linear efficiency unit is used. turn into.
【０００４】本発明は上述のような大きな損失を与えず
に、回転出力やトルクの調節を行うことの出来る電動機
及びその制御回路を提供することを課題とする。It is an object of the present invention to provide an electric motor and a control circuit therefor capable of adjusting the rotation output and the torque without giving the above-mentioned large loss.
【０００５】[0005]
【課題を解決するための手段】上述の課題を解決するた
めに、直巻又は複巻電動機で、中間端子を有する直列界
磁巻線Ｓ１０１と、この直列界磁巻線Ｓ１０１に電源の
＋側から順方向に直列接続されたダイオードＣＲ１０１
と、直列界磁巻線Ｓ１０１に並列接続されたコンデンサ
Ｃ１０１及び電源の＋側が順方向となるダイオードＣＲ
１０２と、電源の＋端子と直列界磁巻線Ｓ１０１と電機
子Ａ１０１との接続点間に接続された補助界磁巻線Ｆ１
０１と、直列界磁巻線Ｓ１０１の中間端子に一端が接続
され他端は直列界磁巻線Ｓ１０１と電機子Ａ１０１との
接続点及び補助界磁巻線のこの接続点側の一端に接続さ
れている固体スイッチＱ１０１〜ｎと、電機子Ａ１０１
と並列に逆方向に接続されたダイオードＣＲ１０３と、
固体スイッチＱ１０１〜ｎの動作を制御する中央制御ユ
ニットＣＣＵ１０１とを設けたものである。In order to solve the above-mentioned problems, in a direct-winding or compound-winding motor, a series field winding S101 having an intermediate terminal and a positive side of a power source connected to this series field winding S101. CR101 connected in series in the forward direction from
And a capacitor C101 connected in parallel to the series field winding S101 and a diode CR in which the + side of the power source is in the forward direction.
102, the positive terminal of the power source, the auxiliary field winding F1 connected between the connection point of the series field winding S101, and the armature A101.
01, and one end is connected to the intermediate terminal of the series field winding S101, and the other end is connected to the connection point between the series field winding S101 and the armature A101 and one end on the connection point side of the auxiliary field winding. Solid state switches Q101-n and armature A101
A diode CR103 connected in parallel with the opposite direction,
A central control unit CCU101 for controlling the operation of the solid state switches Q101 to Qn is provided.
【０００６】電機子Ａ１０１には逆方向のダイオードＣ
Ｒ１０３と並列に接続された逆起電力検知器ＥＭＦＤ１
０１と、電機子Ａ１０１と電源の−端子間に直列接続さ
れた負荷電流検知器ＩＤ１０１とを設け、これらの検知
信号を中央制御ユニットＣＣＵ１０１に入力するように
構成したものである。The armature A101 has a diode C in the reverse direction.
Back electromotive force detector EMFD1 connected in parallel with R103
01, an armature A101, and a load current detector ID101 connected in series between the negative terminal of the power supply and these detection signals are input to the central control unit CCU101.
【０００７】又、電機子Ａ１０１に回転速度検知器ＳＤ
１０１を設け、この検知信号を中央制御ユニットＣＣＵ
１０１に入力するように構成したものである。Further, the armature A101 has a rotation speed detector SD.
101 is provided, and this detection signal is sent to the central control unit CCU.
It is configured to input to 101.
【０００８】更に、中央制御ユニットＣＣＵ１０１には
操作器ＯＰ１０１を接続し、外部信号により中央制御ユ
ニットＣＣＵ１０１の制御信号を規制するように構成し
たものである。Further, an operating device OP101 is connected to the central control unit CCU101, and the control signal of the central control unit CCU101 is regulated by an external signal.
【０００９】なお、電源の＋及び−端子間に並列界磁巻
線を接続して複巻電動機としたものがある。There is a compound winding motor in which a parallel field winding is connected between the + and-terminals of the power source.
【００１０】[0010]
【作用】上述のように、負荷電流検知器ＩＤ１０１及び
逆起電力検知器ＥＭＦＤ１０１又は回転速度検知器ＳＤ
１０１の各検知信号により、中央制御ユニットＣＣＵ１
０１は固体スイッチＱ１０１〜ｎの１組又は複数組のＯ
Ｎ、ＯＦＦ制御を行い、直列界磁を最適な状態に選択す
る。As described above, the load current detector ID101 and the back electromotive force detector EMFD101 or the rotation speed detector SD.
By the respective detection signals of 101, the central control unit CCU1
01 is one set or a plurality of sets of O of solid state switches Q101 to Qn.
N and OFF control is performed to select the optimum series field.
【００１１】この場合、ダイオードＣＲ１０２及びコン
デンサＣ１０１の並列接続による短時間蓄電回路によ
り、切り替え時の不連続性を防止する。In this case, the discontinuity at the time of switching is prevented by the short-time power storage circuit formed by connecting the diode CR102 and the capacitor C101 in parallel.
【００１２】[0012]
【実施例】図１は本発明の直巻又は複巻電動機の速度制
御回路のブロック図である。中間端子を有する直列界磁
巻線Ｓ１０１と、この直列界磁巻線Ｓ１０１に電源の＋
側から順方向に直列接続されたダイオードＣＲ１０１
と、直列界磁巻線Ｓ１０１に並列接続されたコンデンサ
Ｃ１０１及び電源の＋側が順方向となるダイオードＣＲ
１０２と、電源の＋端子と前記直列界磁巻線Ｓ１０１と
電機子Ａ１０１との接続点間に接続された補助界磁巻線
Ｆ１０１と、直列界磁巻線Ｓ１０１の中間端子に一端が
接続され他端は直列界磁巻線Ｓ１０１と電機子Ａ１０１
との接続点及び補助界磁巻線のこの接続点側の一端に接
続されている複数の固体スイッチＱ１０１〜ｎと、電機
子Ａ１０１と並列に逆方向に接続されたダイオードＣＲ
１０３と、固体スイッチＱ１０１〜ｎの動作を制御する
中央制御ユニットＣＣＵ１０１とを設けたものである。1 is a block diagram of a speed control circuit for a series-wound or compound-wound motor according to the present invention. A series field winding S101 having an intermediate terminal, and a power supply + to the series field winding S101.
Diode CR101 connected in series in the forward direction from the side
And a capacitor C101 connected in parallel to the series field winding S101 and a diode CR in which the + side of the power source is in the forward direction.
102, an auxiliary field winding F101 connected between the positive terminal of the power supply, the connection point of the series field winding S101 and the armature A101, and one end of the auxiliary field winding F101 connected to the intermediate terminal of the series field winding S101. The other end has a series field winding S101 and an armature A101.
And a plurality of solid state switches Q101-n connected to one end of the auxiliary field winding on the side of this connection point, and a diode CR connected in parallel to the armature A101 in the reverse direction.
103 and a central control unit CCU101 for controlling the operation of the solid state switches Q101 to Qn.
【００１３】電機子Ａ１０１には逆方向のダイオードＣ
Ｒ１０３と並列に接続された逆起電力検知器ＥＭＦＤ１
０１と、電機子Ａ１０１と電源の−端子間に直列接続さ
れた負荷電流検知器ＩＤ１０１とを設け、これらの検知
信号を中央制御ユニットＣＣＵ１０１に入力するように
構成したものである。The armature A101 has a diode C in the reverse direction.
Back electromotive force detector EMFD1 connected in parallel with R103
01, an armature A101, and a load current detector ID101 connected in series between the negative terminal of the power supply and these detection signals are input to the central control unit CCU101.
【００１４】又、電機子Ａ１０１には逆起電力検知器Ｅ
ＭＦＤ１０１の代わりに回転速度検知器ＳＤ１０１を設
け、この検知信号を中央制御ユニットＣＣＵ１０１に入
力するように構成したものである。The armature A101 has a back electromotive force detector E.
A rotation speed detector SD101 is provided instead of the MFD101, and this detection signal is input to the central control unit CCU101.
【００１５】更に、中央制御ユニットＣＣＵ１０１には
操作器ＯＰ１０１を接続し、外部信号により中央制御ユ
ニットＣＣＵ１０１の制御信号を規制するように構成し
たものである。Further, an operating device OP101 is connected to the central control unit CCU101, and the control signal of the central control unit CCU101 is regulated by an external signal.
【００１６】なお、電源の＋及び−端子間に並列界磁巻
線を接続して複巻電動機としたものがある。There is a compound winding motor in which a parallel field winding is connected between the + and-terminals of the power source.
【００１７】次に、この制御回路の動作について説明す
る。最少１組の中間端子を有する直列界磁巻線Ｓ１０１
には並列接続されたダイオードＣＲ１０２とコンデンサ
Ｃ１０１により短時間の蓄電効果を持たせてある。Next, the operation of this control circuit will be described. Series field winding S101 having a minimum of one set of intermediate terminals
A diode CR102 and a capacitor C101 connected in parallel have a short-time storage effect.
【００１８】固体スイッチＱ１０１〜ｎはスイッチング
トランジスタ又はサイリスタで構成され、順方向電流の
＋電極は補助界磁巻線Ｆ１０１の一端に接続され、その
出力側は中央制御ユニットＣＣＵ１０１の指令により何
れかの中間端子と接続して相対的に最も適当な巻数の中
間端子を選択する。The solid state switches Q101 to Qn are composed of switching transistors or thyristors, and the + electrode of the forward current is connected to one end of the auxiliary field winding F101, and the output side thereof is instructed by the central control unit CCU101. Connect to the intermediate terminal and select the intermediate terminal with the relatively most appropriate number of turns.
【００１９】又、固体スイッチＱ１０１〜ｎの共通接続
点と電源の＋端子との間には補助界磁巻線Ｆ１０１を直
列に接続して直列磁界の補強に利用している。Further, an auxiliary field winding F101 is connected in series between the common connection point of the solid state switches Q101 to Qn and the + terminal of the power source for use in reinforcing the series magnetic field.
【００２０】回転速度検出器ＳＤ１０１はアナログ又は
デジタル方式の検知ユニットで、電機子Ａ１０１の回転
速度に応じたアナログ又はデジタル信号を中央制御ユニ
ットＣＣＵ１０１に入力する。この回転速度検知器ＳＤ
１０１の代わりに電機子Ａ１０１の逆起電力検知器ＥＭ
ＦＤ１０１による検知信号で代替して中央制御ユニット
ＣＣＵ１０１が動作する場合もある。The rotation speed detector SD101 is an analog or digital type detection unit and inputs an analog or digital signal corresponding to the rotation speed of the armature A101 to the central control unit CCU101. This rotation speed detector SD
Instead of 101, the back electromotive force detector EM of armature A101
In some cases, the central control unit CCU 101 operates instead of the detection signal from the FD 101.
【００２１】負荷電流検知器ＩＤ１０１は負荷電流（電
機子電流）を検知することにより、トルク情報信号とし
て中央制御ユニットＣＣＵ１０１に入力する。The load current detector ID101 detects the load current (armature current) and inputs it to the central control unit CCU101 as a torque information signal.
【００２２】中央制御ユニットＣＣＵ１０１は周期駆動
信号により各固体スイッチＱ１０１〜ｎを順次制御する
外、操作器ＯＰ１０１による設定、又は負荷電流検知器
ＩＤ１０１と逆起電力検知器ＥＭＦＤ１０１又は回転速
度検知器ＳＤ１０１の検知信号によって相対的に駆動パ
ルスの導通と切断の動作を制御し、その中の１組の固体
スイッチＱ１０１〜ｎの何れかを相対的にＯＮ、ＯＦＦ
の駆動動作を行わせ、又は２組或いは２組以上を交互に
ＯＮ、ＯＦＦ動作を行わせ、励磁電流の脈動を減少させ
る。The central control unit CCU101 sequentially controls the solid state switches Q101 to Qn by the cyclic drive signal, and also sets the operation by the operation device OP101 or sets the load current detector ID101 and the back electromotive force detector EMFD101 or the rotation speed detector SD101. The detection signal relatively controls the conduction and disconnection operation of the drive pulse, and relatively turns ON or OFF any one of the solid-state switches Q101 to Qn therein.
Drive operation is performed or two sets or two or more sets are alternately turned on and off to reduce the pulsation of the exciting current.
【００２３】上述の動作説明は直巻電動機の場合である
が、図１の並列界磁巻線ＳＨＵＮＴＷＩＮＤＩＮＧを有
する複巻電動機にも適用出来ることは勿論である。Although the above description of the operation is for a case of a series winding motor, it goes without saying that it can be applied to a compound winding motor having the parallel field winding SHUNTWINDING of FIG.
【００２４】[0024]
【発明の効果】上述のように、直列界磁巻線を多段階切
替型とすることにより、最適な巻数の直列界磁巻線を選
択が可能であり、最適な効率での運転が可能である。As described above, by making the series field winding multi-stage switching type, it is possible to select the series field winding having the optimum number of turns, and it is possible to operate at the optimum efficiency. is there.
【００２５】ダイオードＣＲ１０２とコンデンサＣ１０
１の並列回路による短時間蓄電回路により、直列界磁巻
線の切替時間の無励磁現象を防止出来、滑らかな切替運
転が可能である。Diode CR102 and capacitor C10
By the short-time power storage circuit by the parallel circuit of 1, the non-excitation phenomenon of the switching time of the series field winding can be prevented, and smooth switching operation can be performed.
【図１】本発明の直巻又は複巻電動機の速度制御回路の
ブロック図である。FIG. 1 is a block diagram of a speed control circuit of a direct-winding or compound-winding motor according to the present invention.
Ａ１０１ 電機子 Ｃ１０１ コンデンサ ＣＣＵ１０１ 中央制御ユニット ＣＲ１０１ ダイオード ＣＲ１０２ ダイオード ＥＭＦＤ１０１ 逆起電力検出器 Ｆ１０１ 補助界磁巻線 ＩＤ１０１ 負荷電流検出器 ＯＰ１０１ 設定器 Ｑ１０１〜ｎ 固体スイッチ Ｓ１０１ 直列界磁巻線 ＳＤ１０１ 回転速度検知器 A101 Armature C101 Capacitor CCU101 Central control unit CR101 Diode CR102 Diode EMFD101 Back electromotive force detector F101 Auxiliary field winding ID101 Load current detector OP101 Setting device Q101-n Solid-state switch S101 Series field winding SD101 Rotation speed detector
Claims (5)
を有する直列界磁巻線と、この直列界磁巻線に電源の＋
側から順方向に直列接続されたダイオードと、前記直列
界磁巻線に並列接続されたコンデンサ及び電源の＋方向
が順方向となるダイオードと、前記電源の＋端子と前記
直列界磁巻線と電機子との接続点間に接続された補助界
磁巻線と、前記直列界磁巻線の中間端子に一端が接続さ
れ他端は前記直列界磁巻線と電機子との接続点及び前記
補助界磁巻線の前記接続点側の一端に接続されている固
体スイッチと、前記電機子と並列に逆方向に接続された
ダイオードと、前記固体スイッチの動作を制御する中央
制御ユニットとを設けたことを特徴とする直巻又は複巻
電動機の速度制御回路。1. In a series-winding or compound-winding motor, a series field winding having an intermediate terminal, and a power supply + to the series field winding.
A diode connected in series in the forward direction from the side, a capacitor connected in parallel to the series field winding and a diode in which the + direction of the power supply is the forward direction, a + terminal of the power supply, and the series field winding. An auxiliary field winding connected between connection points with an armature, one end of which is connected to an intermediate terminal of the series field winding, and the other end has a connection point between the series field winding and the armature and the A solid-state switch connected to one end of the auxiliary field winding on the side of the connection point, a diode connected in parallel with the armature in the opposite direction, and a central control unit for controlling the operation of the solid-state switch are provided. A speed control circuit for a series-wound or compound-wound electric motor.
と並列に接続された逆起電力検知器と、前記電機子と電
源の−端子間に直列接続された負荷電流検知器とを設
け、これらの検知信号を前記中央制御ユニットに入力す
るように構成したことを特徴とする請求項１の直巻又は
複巻電動機の速度制御回路。2. The armature is provided with a back electromotive force detector connected in parallel with the diode in the reverse direction, and a load current detector connected in series between the negative terminal of the armature and a power source, The speed control circuit for a series-winding or compound-winding motor according to claim 1, wherein the detection signals are input to the central control unit.
の検知信号を前記中央制御ユニットに入力するように構
成したことを特徴とする請求項１の直巻又は複巻電動機
の速度制御回路。3. A speed control circuit for a direct-winding or compound-winding electric motor according to claim 1, wherein the armature is provided with a rotation speed detector, and the detection signal is inputted to the central control unit. .
し、外部信号により中央制御ユニットの制御信号を規制
するように構成したことを特徴とする請求項１、２、３
の直巻又は複巻電動機の速度制御回路。4. An operating device is connected to the central control unit, and the control signal of the central control unit is regulated by an external signal.
Speed control circuit for series or compound winding motor.
線を接続して複巻電動機としたことを特徴とする請求項
１、２、３、４の直巻又は複巻電動機の速度制御回路。5. A series winding or compound winding electric motor according to claim 1, wherein a parallel field winding is connected between the + and-terminals of the power source to form a compound winding electric motor. Speed control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29690693A JP3320867B2 (en) | 1993-11-26 | 1993-11-26 | Speed control circuit for series-wound or compound-wound motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29690693A JP3320867B2 (en) | 1993-11-26 | 1993-11-26 | Speed control circuit for series-wound or compound-wound motors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07194162A true JPH07194162A (en) | 1995-07-28 |
| JP3320867B2 JP3320867B2 (en) | 2002-09-03 |
Family
ID=17839696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29690693A Expired - Fee Related JP3320867B2 (en) | 1993-11-26 | 1993-11-26 | Speed control circuit for series-wound or compound-wound motors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3320867B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006517380A (en) * | 2003-02-07 | 2006-07-20 | ブラック アンド デッカー インコーポレイテッド | Excitation circuit and magnetic flux switching motor control method |
-
1993
- 1993-11-26 JP JP29690693A patent/JP3320867B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006517380A (en) * | 2003-02-07 | 2006-07-20 | ブラック アンド デッカー インコーポレイテッド | Excitation circuit and magnetic flux switching motor control method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3320867B2 (en) | 2002-09-03 |
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