JPH01143051U - - Google Patents
Info
- Publication number
- JPH01143051U JPH01143051U JP4050488U JP4050488U JPH01143051U JP H01143051 U JPH01143051 U JP H01143051U JP 4050488 U JP4050488 U JP 4050488U JP 4050488 U JP4050488 U JP 4050488U JP H01143051 U JPH01143051 U JP H01143051U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- time limit
- relay coil
- switch element
- display
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Predetermined Time Intervals (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案に係るタイマの基本構成を示す回路図
、第３図および第４図はそれぞれ従来例を示す回
路図である。
１…限時回路、２…表示回路、Ｅ…電源、ＬＤ
…発光ダイオード、Ｒ…抵抗、Ｒｙ…リレーコイ
ル、ＳＷ…スイツチ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing the basic configuration of a timer according to the present invention, and FIGS. 3 and 4 are circuit diagrams showing conventional examples, respectively. 1...Time limit circuit, 2...Display circuit, E...Power supply, LD
...Light emitting diode, R...Resistor, Ry...Relay coil, SW...Switch.
Claims (1)
、限時回路がタイムアツプするとオン・オフの状
態が反転するスイツチ素子と、スイツチ素子に直
列接続されたリレーコイルとを具備し、スイツチ
素子およびリレーコイルからなる直列回路と限時
回路との並列回路がスイツチを介して電源に接続
されたタイマにおいて、所定値以上の印加電圧で
点灯する表示素子と抵抗との並列回路よりなる表
示回路が、リレーコイルと電源との間に挿入され
て成る動作表示機能付きタイマ。 (2) 上記表示素子は発光ダイオードであつて、
スイツチ素子およびリレーコイルよりなる直列回
路と電源との間に上記表示回路が挿入されて成る
請求項１記載の動作表示機能付きタイマ。[Scope of Claim for Utility Model Registration] (1) A time limit circuit that sets a time limit when energization starts, a switch element whose ON/OFF state is reversed when the time limit circuit times out, and a relay coil connected in series to the switch element. In a timer in which a parallel circuit consisting of a series circuit consisting of a switch element and a relay coil and a time limit circuit is connected to a power supply via a switch, a parallel circuit consisting of a display element and a resistor that lights up at an applied voltage of a predetermined value or more is used. A timer with an operation display function, in which a display circuit is inserted between the relay coil and the power supply. (2) The display element is a light emitting diode,
2. A timer with an operation display function according to claim 1, wherein said display circuit is inserted between a power supply and a series circuit comprising a switch element and a relay coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4050488U JPH01143051U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4050488U JPH01143051U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143051U true JPH01143051U (en) | 1989-09-29 |
Family
ID=31266974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4050488U Pending JPH01143051U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143051U (en) |
-
1988
- 1988-03-28 JP JP4050488U patent/JPH01143051U/ja active Pending
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