JPS59103536U - Over-discharge prevention circuit for small DC motor drive batteries - Google Patents
Over-discharge prevention circuit for small DC motor drive batteriesInfo
- Publication number
- JPS59103536U JPS59103536U JP19531482U JP19531482U JPS59103536U JP S59103536 U JPS59103536 U JP S59103536U JP 19531482 U JP19531482 U JP 19531482U JP 19531482 U JP19531482 U JP 19531482U JP S59103536 U JPS59103536 U JP S59103536U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- small
- over
- motor drive
- discharge prevention
- 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
Landscapes
- Protection Of Static Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本願の実施例を示す回路図である。
図中１は直流電源、２はスイッチ、３はモータ、６は可
変抵抗器、７は第１トランジスタ、８は差動増巾器、９
，１０は分圧用抵抗、１５は検知回路、１５ａはツェナ
ーダイオード、１５ｂは第２トランジスタである。The drawing is a circuit diagram showing an embodiment of the present application. In the figure, 1 is a DC power supply, 2 is a switch, 3 is a motor, 6 is a variable resistor, 7 is a first transistor, 8 is a differential amplifier, 9
, 10 is a voltage dividing resistor, 15 is a detection circuit, 15a is a Zener diode, and 15b is a second transistor.
Claims (1)
直列回路と、ツェナーダイオードと、可変抵抗器とを夫
々接続すると共に、差動増巾器の反転入力端を前記可変
抵抗器の可変接点に、非反転入力端を前記モータと第１
トランジスタとの接続点及び負電位に夫々抵抗を介して
接続し、その出力端を前記第１トランジスタのベースに
接続し、かつ前記ツェナーダイオードにベースを接続し
た第２トランジスタを、前記第１トランジスタのベース
・エミッタ間に接続したことを特徴とする小型直流モー
タ駆動用電池の過放電防止装置。Connecting a DC motor, a series circuit such as a first transistor, a Zener diode, and a variable resistor to both ends of the DC power supply, and connecting the inverting input end of the differential amplifier to the variable contact of the variable resistor. The non-inverting input terminal is connected to the motor and the first
A second transistor is connected to the connection point with the transistor and to the negative potential through a resistor, its output terminal is connected to the base of the first transistor, and the base is connected to the Zener diode. An over-discharge prevention device for small DC motor drive batteries, characterized by a connection between the base and emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19531482U JPS59103536U (en) | 1982-12-25 | 1982-12-25 | Over-discharge prevention circuit for small DC motor drive batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19531482U JPS59103536U (en) | 1982-12-25 | 1982-12-25 | Over-discharge prevention circuit for small DC motor drive batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59103536U true JPS59103536U (en) | 1984-07-12 |
Family
ID=30419534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19531482U Pending JPS59103536U (en) | 1982-12-25 | 1982-12-25 | Over-discharge prevention circuit for small DC motor drive batteries |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59103536U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4832811B1 (en) * | 1967-06-27 | 1973-10-09 | ||
| JPS5245031A (en) * | 1975-10-07 | 1977-04-08 | Mitsubishi Electric Corp | Electrical device |
-
1982
- 1982-12-25 JP JP19531482U patent/JPS59103536U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4832811B1 (en) * | 1967-06-27 | 1973-10-09 | ||
| JPS5245031A (en) * | 1975-10-07 | 1977-04-08 | Mitsubishi Electric Corp | Electrical device |
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