JPH0190295U - - Google Patents
Info
- Publication number
- JPH0190295U JPH0190295U JP18415987U JP18415987U JPH0190295U JP H0190295 U JPH0190295 U JP H0190295U JP 18415987 U JP18415987 U JP 18415987U JP 18415987 U JP18415987 U JP 18415987U JP H0190295 U JPH0190295 U JP H0190295U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnetic contactor
- thermal relay
- series
- blower
- control 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来の送風機の起動装置の一例を示すブ
ロツク図である。
１，１Ａ，１Ｂ……電磁接触器、２，２Ａ，２
Ｂ……サーマルリレー、３……送風機、４，４Ａ
……制御回路、２１，２１ａ，２１ｂ……バイメ
タルスイツチ、１１，１１ａ，１１ｂ……起動ス
イツチ、４１Ａ……選択回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing an example of a conventional blower starting device. 1, 1A, 1B...Magnetic contactor, 2, 2A, 2
B...Thermal relay, 3...Blower, 4,4A
...Control circuit, 21, 21a, 21b...Bimetal switch, 11, 11a, 11b...Start switch, 41A...Selection circuit.
Claims (1)
第１の電磁接触器及び第１のサーマルリレーと、
前記第１の電磁接触器及び第１のサーマルリレー
と並列に接続する直列に接続された第２の電磁接
触器及び第２のサーマルリレーと、前記第１のサ
ーマルリレーと前記第２のサーマルリレーのそれ
ぞれのバイメタルスイツチの動作を検出して前記
第１の電磁接触器と前記第２の電磁接触器とを開
閉制御する制御回路とを有して成ることを特徴と
する送風機の起動装置。 a first electromagnetic contactor and a first thermal relay connected in series to a power line from a power source to a blower;
A second electromagnetic contactor and a second thermal relay connected in series with the first electromagnetic contactor and the first thermal relay, and the first thermal relay and the second thermal relay. 1. A blower starting device comprising: a control circuit that detects the operation of each bimetal switch and controls opening and closing of the first electromagnetic contactor and the second electromagnetic contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18415987U JPH0190295U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18415987U JPH0190295U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190295U true JPH0190295U (en) | 1989-06-14 |
Family
ID=31475538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18415987U Pending JPH0190295U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190295U (en) |
-
1987
- 1987-12-01 JP JP18415987U patent/JPH0190295U/ja active Pending