JPS6395329U - - Google Patents
Info
- Publication number
- JPS6395329U JPS6395329U JP18999186U JP18999186U JPS6395329U JP S6395329 U JPS6395329 U JP S6395329U JP 18999186 U JP18999186 U JP 18999186U JP 18999186 U JP18999186 U JP 18999186U JP S6395329 U JPS6395329 U JP S6395329U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- transistor
- rectifier circuit
- thyristor
- circuit
- 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 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Thyristor Switches And Gates (AREA)
Description
第１図は本考案による交流２線式無接点スイツ
チの一実施例を示す結線図、第２図は第１図のコ
ンパレータの動作を示すタイムチヤート、第３図
は従来の交流２線式無接点スイツチの一例を示す
結線図である。
１……交流電源、２……負荷、３……整流回路
、４……サイリスタ、１０……検出回路、１２…
…コンデンサ、１６……主トランジスタ、１７…
…検出抵抗、１９……補助トランジスタ、２３…
…コンパレータ。
Fig. 1 is a wiring diagram showing an embodiment of the AC 2-wire non-contact switch according to the present invention, Fig. 2 is a time chart showing the operation of the comparator shown in Fig. 1, and Fig. 3 is a conventional AC 2-wire non-contact switch. FIG. 3 is a wiring diagram showing an example of a contact switch. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Load, 3... Rectifier circuit, 4... Thyristor, 10... Detection circuit, 12...
...Capacitor, 16...Main transistor, 17...
...Detection resistor, 19...Auxiliary transistor, 23...
…comparator.
Claims (1)
続される整流回路、この整流回路の直流出力端に
接続されたサイリスタ、前記整流回路の直流出力
端に接続された主トランジスタと検出抵抗とコン
デンサとの直列回路、前記検出抵抗の電圧降下が
ベースに印加され前記主トランジスタの電流を制
御する補助トランジスタ、前記コンデンサの充電
電圧の高低に応じ前記補助トランジスタを介して
前記主トランジスタの電流を断続制御して前記コ
ンデンサの充電電圧を一定にするコンパレータお
よび前記コンデンサの両端に接続され所定の現象
を検出して前記サイリスタを導通制御する検出回
路を備えていることを特徴とする交流２線式無接
点スイツチ。 A rectifier circuit in which a series circuit of an AC power source and a load is connected to an AC input end, a thyristor connected to a DC output end of this rectifier circuit, a main transistor, a detection resistor, and a capacitor connected to the DC output end of the rectifier circuit. an auxiliary transistor in which the voltage drop of the detection resistor is applied to the base to control the current of the main transistor, and an auxiliary transistor that controls the current of the main transistor intermittently via the auxiliary transistor depending on the level of charging voltage of the capacitor; an AC two-wire non-contact point, comprising: a comparator that maintains a constant charging voltage of the capacitor; and a detection circuit connected to both ends of the capacitor that detects a predetermined phenomenon and controls conduction of the thyristor. Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18999186U JPS6395329U (en) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18999186U JPS6395329U (en) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6395329U true JPS6395329U (en) | 1988-06-20 |
Family
ID=31142794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18999186U Pending JPS6395329U (en) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6395329U (en) |
-
1986
- 1986-12-10 JP JP18999186U patent/JPS6395329U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS63137542U (en) | ||
| JPS6395329U (en) | ||
| JPS62161550U (en) | ||
| JPS62107591U (en) | ||
| JPS61172310U (en) | ||
| JPS62132689U (en) | ||
| JPS6341358U (en) | ||
| JPS6077287U (en) | Inrush current prevention circuit | |
| JPH0378309U (en) | ||
| JPS61169486U (en) | ||
| JPS61201119U (en) | ||
| JPS61176938U (en) | ||
| JPH01159552U (en) | ||
| JPS58159014U (en) | AC power supply | |
| JPH0249382U (en) | ||
| JPH02128572U (en) | ||
| JPS6248184U (en) | ||
| JPS6142612U (en) | electrical equipment | |
| JPS60104916U (en) | power circuit | |
| JPS63113486U (en) | ||
| JPS5828440U (en) | proximity switch | |
| JPS62136093U (en) | ||
| JPS63202183U (en) | ||
| JPS62117615U (en) | ||
| JPH0186725U (en) |