JPH01180831U - - Google Patents
Info
- Publication number
- JPH01180831U JPH01180831U JP7170488U JP7170488U JPH01180831U JP H01180831 U JPH01180831 U JP H01180831U JP 7170488 U JP7170488 U JP 7170488U JP 7170488 U JP7170488 U JP 7170488U JP H01180831 U JPH01180831 U JP H01180831U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- control device
- motor
- switch
- chain block
- 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
- 230000002265 prevention Effects 0.000 description 3
Description
第１図は本案の電気チエーンブロツク用電動機
の制御装置の一例を示す回路図、第２図は従来の
電気チエーンブロツク用電動機の制御装置の回路
図、第３図は本案の他の実施例を示す回路図であ
る。
１……逆相防止リレー、２……三相電動機、３
……切換開閉器、Ｒ，Ｓ，Ｔ……三相電源、ＭＳ
１，ＭＳ２……接触器、Ｐ１，Ｐ２……押釦スイ
ツチ、ＳＦ１，ＳＦ２……過巻防止スイツチ、Ｋ
Ａ……逆相防止リレーＡ接点、ＳＡ，ＳＢ……切
換開閉器のＡ及びＢ接点、ＳＷＡ……操作スイツ
チＡ接点。
Fig. 1 is a circuit diagram showing an example of a control device for an electric chain block motor of the present invention, Fig. 2 is a circuit diagram of a conventional control device for an electric chain block motor, and Fig. 3 is a circuit diagram showing another embodiment of the present invention. FIG. 1... Reverse phase prevention relay, 2... Three-phase motor, 3
...Switch switch, R, S, T...Three-phase power supply, MS
1 , MS 2 ... Contactor, P 1 , P 2 ... Push button switch, SF 1 , SF 2 ... Overwind prevention switch, K
A: A contact of the reverse phase prevention relay, SA, SB: A and B contacts of the switching switch, SWA: A contact of the operating switch.
Claims (1)
のリレーの入切用切換開閉器を有することを特徴
とする電気チエーンブロツク用電動機の制御装置
。 1. A control device for a motor for an electric chain block, comprising a relay that detects whether the phase order of a power supply connection is normal or reverse, and a switching switch for turning on and off the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7170488U JPH01180831U (en) | 1988-06-01 | 1988-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7170488U JPH01180831U (en) | 1988-06-01 | 1988-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180831U true JPH01180831U (en) | 1989-12-26 |
Family
ID=31296899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7170488U Pending JPH01180831U (en) | 1988-06-01 | 1988-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180831U (en) |
-
1988
- 1988-06-01 JP JP7170488U patent/JPH01180831U/ja active Pending