JPS6214993U - - Google Patents
Info
- Publication number
- JPS6214993U JPS6214993U JP1985104593U JP10459385U JPS6214993U JP S6214993 U JPS6214993 U JP S6214993U JP 1985104593 U JP1985104593 U JP 1985104593U JP 10459385 U JP10459385 U JP 10459385U JP S6214993 U JPS6214993 U JP S6214993U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- current control
- control element
- series circuit
- circuit
- 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
Links
- 230000004069 differentiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は従来例を示す回路図、第２図は本考案
の実施例を示す回路図である。
主要部分の符号の説明、２……ＤＣモータ、３
……第１電流制御素子、４……第２電流制御素子
。
FIG. 1 is a circuit diagram showing a conventional example, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. Explanation of symbols of main parts, 2...DC motor, 3
...first current control element, 4...second current control element.
Claims (1)
素子とＤＣモータとの第１直列回路と、前記制御
信号に応じて電流制御をなす第２電流制御素子と
比例抵抗との第２直列回路と、前記第１直列回路
及び前記第２直列回路に直流電圧を供給する直流
電源と、前記ＤＣモータと前記第１電流制御素子
との接続点電圧と前記比例抵抗と前記第２電流制
御素子との接続点電圧とを分圧する分圧回路と、
前記分圧回路の分圧出力電圧と所定基準電圧とを
比較して得られる誤差分に応じて前記制御信号を
発生する比較器とを含むＤＣモータ定速駆動装置
であつて、前記比例抵抗と前記第２電流制御素子
との接続点電圧を微分し前記所定基準電圧に重畳
する微分回路を有することを特徴とするＤＣモー
タ定速駆動装置。 a first series circuit of a first current control element and a DC motor that performs current control according to a control signal; a second series circuit of a second current control element and a proportional resistor that performs current control according to the control signal; , a DC power source that supplies DC voltage to the first series circuit and the second series circuit, a voltage at a connection point between the DC motor and the first current control element, the proportional resistance and the second current control element; a voltage divider circuit that divides the connection point voltage;
A DC motor constant speed drive device comprising: a comparator that generates the control signal according to an error obtained by comparing the divided output voltage of the voltage dividing circuit with a predetermined reference voltage, the proportional resistor; A DC motor constant speed drive device comprising a differentiation circuit that differentiates a voltage at a connection point with the second current control element and superimposes it on the predetermined reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985104593U JPS6214993U (en) | 1985-07-09 | 1985-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985104593U JPS6214993U (en) | 1985-07-09 | 1985-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6214993U true JPS6214993U (en) | 1987-01-29 |
Family
ID=30978232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985104593U Pending JPS6214993U (en) | 1985-07-09 | 1985-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6214993U (en) |
-
1985
- 1985-07-09 JP JP1985104593U patent/JPS6214993U/ja active Pending