JPH0171998U - - Google Patents
Info
- Publication number
- JPH0171998U JPH0171998U JP1987165805U JP16580587U JPH0171998U JP H0171998 U JPH0171998 U JP H0171998U JP 1987165805 U JP1987165805 U JP 1987165805U JP 16580587 U JP16580587 U JP 16580587U JP H0171998 U JPH0171998 U JP H0171998U
- Authority
- JP
- Japan
- Prior art keywords
- power
- predetermined time
- supplied
- suction state
- elapse
- 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
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
Description
第１図は本考案の一実施例の回路構成を示す図
、第２図はその動作を示すタイムチヤートである
。
図において５は小形電源トランス、２は全波整
流用ダイオードブリツジ、Ｄ１〜Ｄ５はダイオー
ド、Ｒ１〜Ｒ１３は抵抗、Ｃ１は平滑・電源用コ
ンデンサ、Ｃ２，Ｃ３はコンデンサ、Ｃ０は時限
用コンデンサ、ＶＲ０は時限調整用可変抵抗器、
ＺＤはゼナーダイオード、ＯＩはフオトカプラ、
１〜４はナンドゲート、ＴＲはトランジスタ、７
は出力リレーである。
FIG. 1 is a diagram showing a circuit configuration of an embodiment of the present invention, and FIG. 2 is a time chart showing its operation. In the figure, 5 is a small power transformer, 2 is a full-wave rectifier diode bridge, D 1 to D 5 are diodes, R 1 to R 13 are resistors, C 1 is a smoothing/power supply capacitor, and C 2 and C 3 are capacitors. , C 0 is a time limit capacitor, VR 0 is a time limit adjustment variable resistor,
ZD is a zener diode, OI is a photocoupler,
1 to 4 are NAND gates, TR is a transistor, 7
is the output relay.
Claims (1)
所定時間内に電源が再度供給されても落下状態に
あり、上記所定時間経過後に再度吸引状態となる
モータ保護タイマ。 When the power is supplied, it is in the suction state, and after the power is turned off,
A motor protection timer that remains in a falling state even if power is supplied again within a predetermined time, and returns to a suction state after the elapse of the predetermined time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165805U JPH0171998U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165805U JPH0171998U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171998U true JPH0171998U (en) | 1989-05-15 |
Family
ID=31452626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165805U Pending JPH0171998U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171998U (en) |
-
1987
- 1987-10-29 JP JP1987165805U patent/JPH0171998U/ja active Pending
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