JPS58150221U - Contact status detection device - Google Patents

Contact status detection device

Info

Publication number
JPS58150221U
JPS58150221U JP4858282U JP4858282U JPS58150221U JP S58150221 U JPS58150221 U JP S58150221U JP 4858282 U JP4858282 U JP 4858282U JP 4858282 U JP4858282 U JP 4858282U JP S58150221 U JPS58150221 U JP S58150221U
Authority
JP
Japan
Prior art keywords
contact
detection device
state detection
power supply
status detection
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
Application number
JP4858282U
Other languages
Japanese (ja)
Inventor
尚一 坂本
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP4858282U priority Critical patent/JPS58150221U/en
Publication of JPS58150221U publication Critical patent/JPS58150221U/en
Pending legal-status Critical Current

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  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Keying Circuit Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の接点状態検出装置を示す電気結線図、第
２図はこの考案に係る接点状態検出装置の一実施例を示
す電気結線図である。６図において、１はスイッチ、２
は開閉用継電器コイル、２ａ１はメイク接点、３は第１
の直流電源、４は負荷、５は接点状態検出用継電器コイ
ル、５ａはメイク接点、６ａ、６ｂは出力端子、７は第
２の直流電源である。なお各図中同一部分には同一符号
を付している。FIG. 1 is an electrical wiring diagram showing a conventional contact state detection device, and FIG. 2 is an electrical wiring diagram showing an embodiment of the contact state detection device according to this invention. In figure 6, 1 is a switch, 2
is the switching relay coil, 2a1 is the make contact, and 3 is the first
4 is a load, 5 is a relay coil for contact state detection, 5a is a make contact, 6a and 6b are output terminals, and 7 is a second DC power source. Note that the same parts in each figure are given the same reference numerals.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ゛　第１の直流電源に接続された接点と負荷との直列回
路、および前記負荷に並列接続された第２の直流電源と
接点状態検出用継電器コイルとの直列回路を備え、前記
接点の開放時には前記接点状態検出用継電器コイルが励
磁されず、前記接点の閉成時には前記接点状態検出用継
電器コイルが励磁されるように、前記第２の直流電源の
極性を前記゛　第１の直流電源の極性に対して選定して
なる接点状態検出装置。゛ A series circuit of a contact connected to a first DC power supply and a load, and a series circuit of a second DC power supply connected in parallel to the load and a relay coil for contact state detection, and when the contact is opened, The polarity of the second DC power supply is set to the polarity of the first DC power supply so that the relay coil for contact state detection is not energized and the relay coil for contact state detection is energized when the contact is closed. A contact state detection device selected for.
JP4858282U 1982-04-01 1982-04-01 Contact status detection device Pending JPS58150221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4858282U JPS58150221U (en) 1982-04-01 1982-04-01 Contact status detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4858282U JPS58150221U (en) 1982-04-01 1982-04-01 Contact status detection device

Publications (1)

Publication Number Publication Date
JPS58150221U true JPS58150221U (en) 1983-10-08

Family

ID=30059491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4858282U Pending JPS58150221U (en) 1982-04-01 1982-04-01 Contact status detection device

Country Status (1)

Country Link
JP (1) JPS58150221U (en)

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