JPS6232979U - - Google Patents
Info
- Publication number
- JPS6232979U JPS6232979U JP12432885U JP12432885U JPS6232979U JP S6232979 U JPS6232979 U JP S6232979U JP 12432885 U JP12432885 U JP 12432885U JP 12432885 U JP12432885 U JP 12432885U JP S6232979 U JPS6232979 U JP S6232979U
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- current carrying
- carrying path
- filter
- drive 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
第１図は本考案の一実施例を示す電気回路図、
第２図は従来のリレー駆動回路における接点の溶
着現象を説明するための電圧波形図である。
図面中、１はサーミスタ、１ａはリード線、５
はコンパレータ、６はフイルター、１４は交流電
源、１５はコンプレツサーモータ、１６はリレー
スイツチである。
FIG. 1 is an electrical circuit diagram showing an embodiment of the present invention;
FIG. 2 is a voltage waveform diagram for explaining the phenomenon of contact welding in a conventional relay drive circuit. In the drawing, 1 is the thermistor, 1a is the lead wire, 5
1 is a comparator, 6 is a filter, 14 is an AC power source, 15 is a compressor motor, and 16 is a relay switch.
Claims (1)
設けたリレースイツチを開閉するようにしたもの
において、前記コンパレータの入力側に、その入
力信号に重畳された前記交流通電路の周波数成分
を除去するフイルターを設けたことを特徴とする
リレー駆動回路。 A relay switch provided in the AC current carrying path is opened and closed according to the output signal of the comparator, and a filter is provided on the input side of the comparator to remove the frequency component of the AC current carrying path superimposed on the input signal. A relay drive circuit characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12432885U JPH0341256Y2 (en) | 1985-08-12 | 1985-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12432885U JPH0341256Y2 (en) | 1985-08-12 | 1985-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6232979U true JPS6232979U (en) | 1987-02-26 |
| JPH0341256Y2 JPH0341256Y2 (en) | 1991-08-29 |
Family
ID=31016241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12432885U Expired JPH0341256Y2 (en) | 1985-08-12 | 1985-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341256Y2 (en) |
-
1985
- 1985-08-12 JP JP12432885U patent/JPH0341256Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0341256Y2 (en) | 1991-08-29 |
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