JPS5744333A - Contactless relay - Google Patents
Contactless relayInfo
- Publication number
- JPS5744333A JPS5744333A JP55120017A JP12001780A JPS5744333A JP S5744333 A JPS5744333 A JP S5744333A JP 55120017 A JP55120017 A JP 55120017A JP 12001780 A JP12001780 A JP 12001780A JP S5744333 A JPS5744333 A JP S5744333A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- flows
- current
- ppo5
- collector
- 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 abstract 2
- 230000000630 rising effect Effects 0.000 abstract 2
- 230000007257 malfunction Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for AC voltages or currents
Landscapes
- Thyristor Switches And Gates (AREA)
- Electronic Switches (AREA)
Abstract
PURPOSE:To prevent malfunction even when a noise rising suddenly is applied to an output side, by connecting a protecting resistance and a capacitor together while connecting an npn transistor (TR) between a photosensitive pulse oscillating element and an SCR. CONSTITUTION:Light from a light emitting diode LED is incident to a photosensitive pulse oscillating element PPO5. In this case, when a voltage Vs applied between its collector and the anode of a Zener diode 7 is lower than a Zener voltage Vz, a current I2 flows between the collector and emitter and when the voltage exceeds the voltage Vz, a photocurrent I1 flows while the current I2 is ceased. Therefore, a full-wave rectified voltage is applied to an SCR4, which is turned on at the voltage Vz to turn on a triac 3. Then, a noise rising suddenly when an AC power source 1 at an output side is turned on flows to the base of a TR8 through a protecting resistance R3 and a capacitor Cb and the TR8 turns on for the by- passing of the breakover current of a PPO5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55120017A JPS5744333A (en) | 1980-08-30 | 1980-08-30 | Contactless relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55120017A JPS5744333A (en) | 1980-08-30 | 1980-08-30 | Contactless relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5744333A true JPS5744333A (en) | 1982-03-12 |
Family
ID=14775838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55120017A Pending JPS5744333A (en) | 1980-08-30 | 1980-08-30 | Contactless relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5744333A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04354925A (en) * | 1991-05-31 | 1992-12-09 | Shuzo Onodera | Automatic water suction device for mop washing machine |
-
1980
- 1980-08-30 JP JP55120017A patent/JPS5744333A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04354925A (en) * | 1991-05-31 | 1992-12-09 | Shuzo Onodera | Automatic water suction device for mop washing machine |
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