JPH0453064U - - Google Patents
Info
- Publication number
- JPH0453064U JPH0453064U JP9547590U JP9547590U JPH0453064U JP H0453064 U JPH0453064 U JP H0453064U JP 9547590 U JP9547590 U JP 9547590U JP 9547590 U JP9547590 U JP 9547590U JP H0453064 U JPH0453064 U JP H0453064U
- Authority
- JP
- Japan
- Prior art keywords
- hull
- grounding circuit
- input terminal
- reference electrode
- cathodic protection
- 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
Landscapes
- Prevention Of Electric Corrosion (AREA)
Description
第１図は本考案の一実施例を示す側面図である
。第２図は公知の船体外板及び推進器の電気防食
装置を示す側面図、第３図、第４図はそれぞれ第
２図装置の通常時、故障時の電流の流れを示す系
統図である。
１……整流素子、０１……船体外板、０２……
照合電極、０３……不溶性陽極、０４……推進器
、０５……推進器軸、０６……接地回路、０７…
…信号入力端、０８……防食電流出力端、０９…
…防食電流帰還用入力端、０１０……直流電源機
構。
FIG. 1 is a side view showing an embodiment of the present invention. FIG. 2 is a side view showing a known cathodic protection device for the hull shell and propulsion device, and FIGS. 3 and 4 are system diagrams showing the current flow in the device shown in FIG. 2 during normal operation and failure, respectively. . 1... Rectifying element, 01... Hull outer plate, 02...
Reference electrode, 03... Insoluble anode, 04... Propeller, 05... Propeller shaft, 06... Ground circuit, 07...
...Signal input terminal, 08...Anti-corrosion current output terminal, 09...
...Anti-corrosion current feedback input terminal, 010...DC power supply mechanism.
Claims (1)
性陽極と、推進器が嵌着された推進器軸と上記船
体外板とを接続する接地回路と、それぞれ信号入
力端、防食電流出力端、防食電流帰還用入力端を
介して上記照合電極、上記不溶性陽極、上記接地
回路に接続された直流電源機構とからなる船体外
板及び推進器の電気防食装置において、上記接地
回路に船体から上記推進器軸へ流れる電流は許容
するもその逆方向の電流は阻止する整流素子を挿
入したことを特徴とする船体外板及び推進器の電
気防食装置。 A reference electrode and an insoluble anode attached to each of the hull outer panels, a grounding circuit connecting the propeller shaft into which the propeller is fitted and the hull outer panel, a signal input terminal, an anti-corrosion current output terminal, and an anti-corrosion current terminal, respectively. In a cathodic protection device for a hull shell and a propulsion device, which comprises the reference electrode, the insoluble anode, and a DC power source connected to the grounding circuit through a return input terminal, the grounding circuit is connected to the propulsion shaft from the hull. 1. A cathodic protection device for a hull shell and a propulsion device, characterized in that a rectifying element is inserted that allows current to flow into the vessel but blocks current in the opposite direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9547590U JPH0453064U (en) | 1990-09-11 | 1990-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9547590U JPH0453064U (en) | 1990-09-11 | 1990-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453064U true JPH0453064U (en) | 1992-05-06 |
Family
ID=31834212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9547590U Pending JPH0453064U (en) | 1990-09-11 | 1990-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453064U (en) |
-
1990
- 1990-09-11 JP JP9547590U patent/JPH0453064U/ja active Pending
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