Reference electrode with leak-proof function for monitoring potential of ship body

Abstract

The utility model discloses a hull potential monitoring reference electrode with an anti-leakage function, which comprises a shell filled with a salt bridge solution; the upper sealing body is connected to one end of the shell; the lower sealing body is connected to the other end of the shell; one end of the cable extends into the upper sealing body and is connected with the upper sealing body in a sealing manner; the inner electrode is arranged in the shell, one end of the inner electrode is in contact with the salt bridge solution, and the other end of the inner electrode is connected with the cable; the ultramicropore diaphragm is embedded in the lower sealing body, one side of the ultramicropore diaphragm is in contact with the salt bridge solution, and the other side of the ultramicropore diaphragm is connected with the external environment. According to the hull potential monitoring reference electrode with the anti-leakage function, the salt bridge solution in the shell is sealed through the upper sealing body and the lower sealing body, the daily corrosion potential monitoring and measuring requirements of a hull are met, and leakage of the internal bridge solution is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ships, in particular to a reference electrode for hull potential monitoring with a leakage prevention function. Background Art

[0002] The reference electrode for hull potential monitoring plays an important role in ocean engineering and shipbuilding industry, mainly used for monitoring the corrosion state of the hull and the effectiveness of the protection system. The working principle of the reference electrode is to generate a stable and known potential in seawater to work, forming an electrochemical cell with the object to be measured (such as the hull). By measuring the difference between these two potentials, the corrosion state of the hull and the effectiveness of the cathodic protection system can be judged. The reference electrode usually contains electrolyte inside, and this liquid generates a stable potential inside the electrode, so the sealing performance of the electrode directly affects its performance and service life. If the sealing is poor, the leakage of the electrolyte will cause the electrode potential to be unstable, thus affecting the accuracy of potential monitoring. In addition, the entry of seawater into the electrode will contaminate the electrolyte, change the chemical environment and potential of the electrode, resulting in inaccurate measurement results. Moreover, seawater corrosion will also damage the internal components and shorten the service life of the electrode. Content of the Utility Model

[0003] The purpose of the utility model is to provide a reference electrode for hull potential monitoring with a simple structure and a leakage prevention function. The utility model provides the following technical solutions: A reference electrode for hull potential monitoring with a leakage prevention function, comprising:

[0004] A housing filled with a salt bridge solution;

[0005] An upper seal connected to one end of the housing;

[0006] A lower seal connected to the other end of the housing;

[0007] A cable, one end of which extends into the interior of the upper seal and is hermetically connected to the upper seal;

[0008] An inner electrode placed inside the housing, one end of which is in contact with the salt bridge solution and the other end of which is connected to the cable;

[0009] A super microporous diaphragm embedded in the lower seal, one side of which is in contact with the salt bridge solution and the other side of which is connected to the external environment.

[0010] Preferably, a waterproof rubber core is sleeved outside the cable near the upper seal, a clamping claw is sleeved outside the waterproof rubber core, and a tension nut is sleeved outside the clamping claw. The clamping claw is threadedly connected to the tension nut.

[0011] Preferably, an anti-folding protection sleeve is sleeved outside the cable outside the upper seal.

[0012] Preferably, the connection between the inner electrode and the upper sealing body, and the connection between the ultra-microporous diaphragm and the lower sealing body are filled and packaged by an epoxy resin sealing body.

[0013] Preferably, the ultra-microporous diaphragm is a column made of ceramic material.

[0014] Preferably, a scale prompt line is provided on the cable.

[0015] Preferably, sealing rings are provided between the shell and the upper sealing body and the lower sealing body.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] (1) The reference electrode for hull potential monitoring with anti-leakage function of the present application seals the salt bridge solution in the shell through the upper sealing body and the lower sealing body, meets the daily corrosion potential monitoring and measurement requirements of the hull, and avoids leakage of the internal bridge solution;

[0018] (2) The present application can adjust the clamping force by rotating the loose nut to form a reliable seal, thereby preventing seawater from entering through the cable access end and contaminating the bridge solution;

[0019] (3) The cable of the present application is provided with an anti-breakage protective cover to prevent the electrode cable from being damaged or loosened during the process of being thrown into the sea or repeatedly reeled in;

[0020] (4) A scale indicator line is provided at the water entry end of the cable. When measuring the hull potential, an indicator will be given when the reference electrode is lowered to the required working depth below the water surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a reference electrode for monitoring hull potential with anti-leakage function according to the utility model;

[0022] Figure 2 This is an exploded view of the reference electrode for hull potential monitoring with anti-leakage function of the utility model;

[0023] Figure 3 The utility model is a cross-sectional view of a reference electrode for monitoring hull potential with an anti-leakage function.

[0024] In the figure:

[0025] 10-shell; 11-inner electrode;

[0026] 20-upper sealing body; 21-cable line; 22-waterproof rubber core; 23-clamping claw; 24-anti-breakage protective cover; 25-elastic nut;

[0027] 30-lower sealing body; 31-ultra-microporous diaphragm;

[0028] 40 - Sealing ring;

[0029] 50 - Epoxy resin sealing body. Specific embodiments

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Please refer to Figures 1 - 3 , this application provides a technical solution: a reference electrode for hull potential monitoring with a leakage prevention function, including a housing 10, an upper sealing body 20, a lower sealing body 30, a cable 21, an inner electrode 11, and a microporous diaphragm 31. Among them, the housing 10 contains a salt bridge solution, and the two ends of the housing 10 are respectively threadedly connected with the upper sealing body 20 and the lower sealing body 30. Sealing rings 40 are provided between the housing 10 and the upper sealing body 20 and the lower sealing body 30; one end of the cable 21 extends into the interior of the upper sealing body 20 and is hermetically connected to the upper sealing body 20; the inner electrode 11 is placed inside the housing 10, one end is in contact with the salt bridge solution, and the other end is connected to the cable 21; the microporous diaphragm 31 is a column made of ceramic material, embedded in the lower sealing body 30, one side is in contact with the salt bridge solution, and the other side is connected to the external environment.

[0032] In order to further improve the sealing performance, the connection between the inner electrode 11 and the upper sealing body 20 and the connection between the microporous diaphragm 31 and the lower sealing body 30 are both filled and encapsulated with an epoxy resin sealing body 50.

[0033] Specifically, as Figures 2 - 3 shown, a anti - breakage protection sleeve 24 is sleeved outside the cable 21 located outside the upper sealing body 20, which can prevent the electrode cable from being damaged by force and loosening during the process of being dropped into the sea or repeatedly coiled and retracted. A waterproof rubber core 22 is sleeved outside the cable 21 near the upper sealing body 20. A clamping claw 23 is sleeved outside the waterproof rubber core 22, and a tension nut 25 is sleeved outside the clamping claw 23. The clamping claw 23 is threadedly connected to the tension nut 25. By rotating the tension nut 25, the clamping force of the clamping claw 23 can be adjusted to improve the formation of a reliable seal, avoiding the leakage of the internal bridge solution or the intrusion and pollution of the bridge solution by seawater through the cable access end. In addition, a scale indication line is provided at the water - entry end of the cable 21, which can give a prompt when the reference electrode is dropped to the required working depth below the water surface when measuring the hull potential.

[0034] It should be noted that in this text, relative terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reference electrode for monitoring hull potential with anti-leakage function, characterized in that: include: A shell (10) containing a salt bridge solution; An upper sealing body (20) connected to one end of the housing (10); A lower sealing body (30) connected to the other end of the housing (10); A cable (21), one end of which extends into the interior of the upper sealing body (20) and is sealed and connected to the upper sealing body (20); An inner electrode (11) is placed inside the housing (10), one end of the inner electrode is in contact with the salt bridge solution, and the other end is connected to the cable (21); The ultra-microporous diaphragm (31) is embedded in the lower sealing body (30), with one side in contact with the salt bridge solution and the other side connected to the external environment.

2. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: The outer jacket of the cable (21) near the upper sealing body (20) is provided with a waterproof rubber core (22), the outer sleeve of the waterproof rubber core (22) is provided with a clamping claw (23), the outer sleeve of the clamping claw (23) is provided with a loose nut (25), and the clamping claw (23) is threadedly connected to the loose nut (25).

3. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: The outer jacket of the cable (21) located outside the upper sealing body (20) is provided with an anti-breakage protective sleeve (24).

4. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: The connection between the inner electrode (11) and the upper sealing body (20), and the connection between the ultra-microporous diaphragm (31) and the lower sealing body (30) are filled and packaged by an epoxy resin sealing body (50).

5. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: The ultra-microporous diaphragm (31) is a column made of ceramic material.

6. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: The cable (21) is provided with a scale prompt line.

7. The reference electrode for monitoring hull potential with anti-leakage function according to claim 1, characterized in that: A sealing ring (40) is provided between the housing (10) and the upper sealing body (20) and the lower sealing body (30).

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