JPS6430699U - - Google Patents
Info
- Publication number
- JPS6430699U JPS6430699U JP12042487U JP12042487U JPS6430699U JP S6430699 U JPS6430699 U JP S6430699U JP 12042487 U JP12042487 U JP 12042487U JP 12042487 U JP12042487 U JP 12042487U JP S6430699 U JPS6430699 U JP S6430699U
- Authority
- JP
- Japan
- Prior art keywords
- current
- pulse motor
- drive circuit
- current amplification
- speed
- 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
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Stepping Motors (AREA)
Description
図面は本考案のパルスモータ駆動回路の一実施
例を示し、第１図は回路図、第２図はチヨツピン
グ用トランジスタによる出力電圧を示す線図であ
る。
１……パルスモータ、２……コイル、３……電
流増幅調整回路、４……比較器、５……高速用イ
ンバータ、６……低速用インバータ、Ｔｒ１……
電流増幅用トランジスタ、Ｔｒ２……相切換え用
トランジスタ、Ｔｒ３……チヨツピング用トラン
ジスタ、Ｒ１，Ｒ２，Ｒ３，Ｒｆ，Ｒｓ……抵抗
。
The drawings show an embodiment of the pulse motor drive circuit of the present invention, with FIG. 1 being a circuit diagram and FIG. 2 being a diagram showing the output voltage from a chopping transistor. 1... Pulse motor, 2... Coil, 3... Current amplification adjustment circuit, 4... Comparator, 5... High speed inverter, 6... Low speed inverter, Tr1...
Current amplification transistor, Tr2...phase switching transistor, Tr3...chipping transistor, R1, R2, R3, Rf, Rs...resistance.
Claims (1)
流増幅器と、この電流増幅器の出力電流を前記パ
ルスモータの回転速度に応じて変化せしめる電流
増幅調整回路とを有するパルスモータ駆動回路。 (2) 電流増幅調整回路は、パルスモータの高速
回転時に電流増幅器の出力電流を多くさせ、低速
回転時に同出力電流を小さくさせるように動作す
ることを特徴とする実用新案登録請求の範囲第１
項記載のパルスモータ駆動回路。 (3) 電流増幅器は電流増幅用トランジスタから
なり、電流増幅調整回路は前記電流増幅用トラン
ジスタへの入力電圧を、高速回転時に高くし、低
速回転時に低くするように形成されていることを
特徴とする実用新案登録請求の範囲第１項または
第２項記載のパルスモータ駆動回路。[Claims for Utility Model Registration] (1) A pulse motor having a current amplifier that amplifies the current that drives a pulse motor, and a current amplification adjustment circuit that changes the output current of the current amplifier in accordance with the rotational speed of the pulse motor. Motor drive circuit. (2) The current amplification adjustment circuit operates to increase the output current of the current amplifier when the pulse motor rotates at high speed, and to decrease the output current when the pulse motor rotates at low speed.
Pulse motor drive circuit described in section. (3) The current amplifier includes a current amplification transistor, and the current amplification adjustment circuit is configured to increase the input voltage to the current amplification transistor during high-speed rotation and to reduce it during low-speed rotation. A pulse motor drive circuit according to claim 1 or 2 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12042487U JPS6430699U (en) | 1987-08-07 | 1987-08-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12042487U JPS6430699U (en) | 1987-08-07 | 1987-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430699U true JPS6430699U (en) | 1989-02-27 |
Family
ID=31366519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12042487U Pending JPS6430699U (en) | 1987-08-07 | 1987-08-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05284788A (en) * | 1992-03-31 | 1993-10-29 | Maikomu Kk | Driver circuit for stepping motor |
-
1987
- 1987-08-07 JP JP12042487U patent/JPS6430699U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05284788A (en) * | 1992-03-31 | 1993-10-29 | Maikomu Kk | Driver circuit for stepping motor |
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