JPH03103254U - - Google Patents

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Publication number
JPH03103254U
JPH03103254U JP1160090U JP1160090U JPH03103254U JP H03103254 U JPH03103254 U JP H03103254U JP 1160090 U JP1160090 U JP 1160090U JP 1160090 U JP1160090 U JP 1160090U JP H03103254 U JPH03103254 U JP H03103254U
Authority
JP
Japan
Prior art keywords
solar cell
power supply
steel pipe
buried steel
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
Application number
JP1160090U
Other languages
English (en)
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 filed Critical
Priority to JP1160090U priority Critical patent/JPH03103254U/ja
Publication of JPH03103254U publication Critical patent/JPH03103254U/ja
Pending legal-status Critical Current

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  • Prevention Of Electric Corrosion (AREA)

Description

【図面の簡単な説明】
第１図は、この考案の埋設鋼管電気防食用太陽
電池電源システム検出型外部電源装置の構成図、
第２図は、この考案の装置を用いて稼動したとき
の時刻に対する埋設鋼管対地電位、太陽電池発電
電圧および出力電流の変化を示すグラフ、第３図
は、従来の蓄電池なしの太陽電池外部電源装置を
用いた太陽電池出力電流および埋線鋼管対地電位
の変化を示すブラフ、第４図は、従来の蓄電池を
備えた太陽電池外部電源装置による出力電流およ
び埋設鋼管対地電位の変化を示グラフである。 ……太陽電池、３……蓄電池、……定電流
制限回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 太陽電池、逆流防止ダイオード、蓄電池および
    定電流制限回路からなる埋設鋼管電気防食用太陽
    電池電源システム外部電源装置において、 上記定電流制限回路の一方の端子に、検出用電
    極を接続した埋設鋼管対地電位判定回路、太陽電
    池発電電圧判定回路および出力電流積算回路を有
    しそれらによつて制御される出力リレーを電気的
    に接続してなることを特徴とする埋設鋼管電気防
    食用太陽電池電源システム検出型外部電源装置。
JP1160090U 1990-02-08 1990-02-08 Pending JPH03103254U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1160090U JPH03103254U (ja) 1990-02-08 1990-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1160090U JPH03103254U (ja) 1990-02-08 1990-02-08

Publications (1)

Publication Number Publication Date
JPH03103254U true JPH03103254U (ja) 1991-10-28

Family

ID=31515122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1160090U Pending JPH03103254U (ja) 1990-02-08 1990-02-08

Country Status (1)

Country Link
JP (1) JPH03103254U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015183223A (ja) * 2014-03-24 2015-10-22 昌栄電機株式会社 防食用電源装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6254090A (ja) * 1985-09-02 1987-03-09 Showa Shell Sekiyu Kk 埋設金属体の電気防食装置
JPS6319322U (ja) * 1986-07-25 1988-02-08

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6254090A (ja) * 1985-09-02 1987-03-09 Showa Shell Sekiyu Kk 埋設金属体の電気防食装置
JPS6319322U (ja) * 1986-07-25 1988-02-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015183223A (ja) * 2014-03-24 2015-10-22 昌栄電機株式会社 防食用電源装置

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