JPS62177293U - - Google Patents
Info
- Publication number
- JPS62177293U JPS62177293U JP6303486U JP6303486U JPS62177293U JP S62177293 U JPS62177293 U JP S62177293U JP 6303486 U JP6303486 U JP 6303486U JP 6303486 U JP6303486 U JP 6303486U JP S62177293 U JPS62177293 U JP S62177293U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- reference voltage
- current
- drive current
- 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
- 239000004065 semiconductor Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Stopping Of Electric Motors (AREA)
Description
第１図ないし第３図はこの考案による直流モー
タ駆動回路の実施例に係り、第１図はその回路図
、第２図は定電圧回路に用いられるトランジスタ
の動作説明用特性図、第３図は全体動作説明用の
信号波形図、第４図は先願考案の回路図である。
図中、１は定電圧回路、２は基準電圧発生回路
、３は直流電源入力端子、７は外部信号入力端子
、Ａは増幅器、Ｍは直流モータ、Ｒ１ないしＲ４
は抵抗、Ｔｒ１ないしＴｒ３はトランジスタであ
る。
Figures 1 to 3 relate to an embodiment of the DC motor drive circuit according to this invention. Figure 1 is its circuit diagram, Figure 2 is a characteristic diagram for explaining the operation of the transistor used in the constant voltage circuit, and Figure 3 is 4 is a signal waveform diagram for explaining the overall operation, and FIG. 4 is a circuit diagram devised in the earlier application. In the figure, 1 is a constant voltage circuit, 2 is a reference voltage generation circuit, 3 is a DC power input terminal, 7 is an external signal input terminal, A is an amplifier, M is a DC motor, R 1 to R 4
is a resistor, and Tr 1 to Tr 3 are transistors.
Claims (1)
流の供給とその供給停止とを交互に行う直流モー
タの駆動回路であつて、 外部信号によりオン、オフされる半導体スイツ
チング素子と抵抗とを含み、上記スイツチング素
子のオン、オフに関連して直流電源からレベルの
異なる高、低の基準電圧を分圧形成する基準電圧
発生回路と、 上記直流電源から上記モータへの電流路に設け
られた半導体素子と、該半導体素子を介して上記
モータに加えられる電圧を上記基準電圧と比較す
る増幅器とを有し、上記モータに加わる電圧が基
準電圧と等しくなるように上記増幅器の出力にて
上記半導体素子を制御する定電圧回路とを備えて
なり、 上記基準電圧が高レベルの場合には上記定電圧
回路から上記モータへ駆動電流が供給されるとと
もに、上記基準電圧が低レベルの場合には駆動電
流に代わる制動用の電流が供給されることを特徴
とする直流モータ駆動回路。[Scope of Claim for Utility Model Registration] A DC motor drive circuit that alternately supplies and stops supply of drive current to a DC motor having a magnetic core in its rotor, which is a semiconductor switching circuit that is turned on and off by an external signal. a reference voltage generation circuit that includes an element and a resistor and forms divided high and low reference voltages of different levels from a DC power supply in connection with turning on and off the switching element; and a current flowing from the DC power supply to the motor. and an amplifier for comparing the voltage applied to the motor via the semiconductor element with the reference voltage. a constant voltage circuit that controls the semiconductor element with an output, and when the reference voltage is at a high level, a drive current is supplied from the constant voltage circuit to the motor, and when the reference voltage is at a low level. A DC motor drive circuit characterized in that a braking current is supplied in place of the drive current in the case of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6303486U JPS62177293U (en) | 1986-04-25 | 1986-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6303486U JPS62177293U (en) | 1986-04-25 | 1986-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177293U true JPS62177293U (en) | 1987-11-11 |
Family
ID=30897883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6303486U Pending JPS62177293U (en) | 1986-04-25 | 1986-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177293U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5329515A (en) * | 1976-08-31 | 1978-03-18 | Sanyo Electric Co | Pulse motor driving device |
| JPS5941095B2 (en) * | 1977-06-08 | 1984-10-04 | ノルガス・ア−／エス | heating device |
| JPS6034794B2 (en) * | 1976-02-10 | 1985-08-10 | 株式会社東芝 | Induction heating method |
| JPS6052515B2 (en) * | 1981-09-29 | 1985-11-19 | 富士通株式会社 | Processing method for magnetic bubble memory defective loop information |
-
1986
- 1986-04-25 JP JP6303486U patent/JPS62177293U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6034794B2 (en) * | 1976-02-10 | 1985-08-10 | 株式会社東芝 | Induction heating method |
| JPS5329515A (en) * | 1976-08-31 | 1978-03-18 | Sanyo Electric Co | Pulse motor driving device |
| JPS5941095B2 (en) * | 1977-06-08 | 1984-10-04 | ノルガス・ア−／エス | heating device |
| JPS6052515B2 (en) * | 1981-09-29 | 1985-11-19 | 富士通株式会社 | Processing method for magnetic bubble memory defective loop information |
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