CN105925990B - A kind of offshore wind power foundation cathodic protection remote monitoring device and its monitoring method - Google Patents
A kind of offshore wind power foundation cathodic protection remote monitoring device and its monitoring method Download PDFInfo
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- CN105925990B CN105925990B CN201610406799.3A CN201610406799A CN105925990B CN 105925990 B CN105925990 B CN 105925990B CN 201610406799 A CN201610406799 A CN 201610406799A CN 105925990 B CN105925990 B CN 105925990B
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- 238000004210 cathodic protection Methods 0.000 title claims abstract description 97
- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 109
- 238000007667 floating Methods 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 239000003566 sealing material Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
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- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
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- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- -1 silver halide Chemical class 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 abstract description 4
- 230000007115 recruitment Effects 0.000 abstract description 2
- 230000002633 protecting effect Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 235000016804 zinc Nutrition 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/22—Monitoring arrangements therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Wind Motors (AREA)
Abstract
A kind of offshore wind power foundation cathodic protection remote monitoring device of present invention offer and its monitoring method; belong to offshore engineering structure cathodic protection detection field; the device includes cathodic protection monitoring host, test cable, liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor, test pile, and test pile constitutes test suite with liquid level sensor mounted thereto, floating type potentiometric sensor and fixed potentiometric sensor.Cathodic protection monitoring host correspondence be distributed in each offshore wind farm tower, cathodic protection monitoring host after tested cable connection in test suite and each offshore wind power foundation.The present invention passes through floating type potentiometric sensor and liquid level sensor; the cathodic protection potential data of tidal level fluctuation zone can be accurately obtained in real time; effectively improve the accuracy of wind power foundation cathodic protection recruitment evaluation; has the characteristics that simple in structure, easy to operate, versatile, the cathodic protection effect monitoring suitable for all kinds of ocean engineering structures.
Description
Technical field
The present invention relates to offshore engineering structure cathodic protection detection technique fields, specifically a kind of to be used for offshore wind farm
The remote monitoring device and its monitoring method that fixed foundation structure cathode protecting state monitors in real time in situ.
Background technology
Wind energy on the sea is a kind of safe and clean, stable regenerative resource, is to alleviate current energy shortage, solve environment
The strategic choice of pollution problem, it has also become the important component of various countries' new energy development.Offshore wind farm unit is as sea turn
The critical facility that can be developed and utilized, is chronically in harsh corrosivity marine environment, reliability and durability are by wide
General concern.Wind power foundation structure is that the important component of offshore wind farm unit subjects in marine environment complicated and changeable
Unit gravity, wave, stream, ice, earthquake, SEA LEVEL VARIATION, washes away and washes in a pan the mechanics such as erosion, sea organism attachment and environmental load wind
Effect inevitably generates etching problem during being on active service.Currently, the wind power foundation structure of Offshore Winds is mainly with fixation
Based on formula structure, under such construct trans marine atmosphere zone, waves splash about area, seawater Tidal zone, water immersion area and seabed mud
Five, area zone, corrosive environment differ greatly, and metal material is different in the corrosion characteristics and corrosion rate of different zone.For
The corrosion of wind power foundation structure, generally use corrosion-inhibiting coating and the united anti-corrosion measure of cathodic protection are controlled, protecting effect can
It is evaluated by parameters such as protection potentials.The cathodic protection detection of early stage only surveys protection potential using manual type
Amount, there are significant limitations.With the development of automation and informationization technology, cathodic protection on-line monitoring technique continues to develop
Maturation, and the cathode protecting state for being gradually applied to some offshore engineering structures monitors.Patent CN201220653244.6 and
CN201320291556.1 discloses a kind of offshore wind power foundation structure cathode monitoring for protection device and offshore wind power foundation respectively
Cathodic protection monitoring reference electrode realizes the remote automation detection of wind power foundation cathodic protection potential.But fixed wind
For electric foundation structure under the action of tide, cathodic protection area difference when high tide level and low tide is larger, cathodic protection potential
There are larger differences, and up to 100mV or more, in the tidal level fluctuation zone of wind power foundation, height tidal level day and night changes with tide, cathode
Protection potential monitors difficulty in real time, and only by the detection of several fixed point current potentials can not to the protecting effect of wind power foundation into
Row accurate evaluation, or even larger erroneous judgement is generated, therefore cathodic protection monitoring device need to be improved, realize wind power foundation tide
The accurate evaluation of the accurate detection and Global Macros effect of position fluctuation zone cathodic protection potential.
Invention content
The technical assignment of the present invention is to carry out cathode in tidal level fluctuation zone for the fixed foundation structure of existing offshore wind turbine
The technical barrier that protection potential monitors in real time in situ provides a kind of offshore wind power foundation resistance pole protection remote monitoring device and its prison
Survey method.The device cathodic protection monitoring host passes through test cable and multiple floating type and fixed potentiometric sensor, liquid level
Sensor is connected, and realizes the automatic collections of wind power foundation structure cathode protection potential and tide level data, conversion, storage and far
Journey is transmitted.
The technical solution adopted by the present invention to solve the technical problems is：
1, the present invention provides a kind of offshore wind power foundation cathodic protection remote monitoring device, including cathodic protection monitoring master
Machine, test cable, liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor and test pile, test pile are fixed on
On sea bed or offshore wind power foundation, test pile and liquid level sensor mounted thereto, floating type potentiometric sensor and fixed
Potentiometric sensor constitutes a test suite, wherein：
Cathodic protection monitoring host correspondence is distributed in each offshore wind farm tower, cathodic protection monitoring host and host computer
It communicates, cathodic protection monitoring host is connected to the test suite and each offshore wind power foundation by test cable
On, the quantity of test suite is at least one, and is distributed in around each offshore wind power foundation；
Liquid level sensor is located at one end of test pile, is measured for the tide level to sea level；
Floating type potentiometric sensor sliding is located on test pile, floats on sea level by natural buoyancy, and change with tidal level
It is moved up and down along test pile, the cathodic protection potential data for measuring tidal level fluctuation zone；
Fixed potentiometric sensor is located at the bottom of test pile or in sea bed, the cathode for measuring the seabed areas Ni Xia
Protection potential data.
Specifically, the liquid level sensor is installed on the top or bottom end of test pile.
Specifically, the floating type potentiometric sensor includes buoyancy shell, buoyancy shell inner route clapboard be separated into buoyancy cavity,
And the half-cell chamber for accommodating Inner electrolysis matter, buoyancy cavity is interior to fill buoyant material, and half-cell chamber opening end is by porous
Diaphragm seal, reference electrode built in half-cell chamber, reference electrode is packaged in by sealing material in buoyancy shell, and draws lead
It is connected to the test cable.
Wherein, buoyant material can be at least one in polyurethane foam, epoxy foams, hollow glass micropearl etc.
Kind, buoyancy shell can be at least one of fiberglass, ABS, PVC etc..
Specifically, the fixed potentiometric sensor includes counterweight shell, counterweight shell inner route clapboard be separated into counterweight chamber,
And the half-cell chamber for accommodating Inner electrolysis matter, counterweight intracavitary fill weight material, half-cell chamber opening end is by porous
Diaphragm seal, reference electrode built in half-cell chamber, reference electrode is packaged in by sealing material in counterweight shell, and draws lead
It is connected to the test cable.
Specifically, the buoyancy shell is spherical or elliposoidal.
Specifically, there is the buoyancy shell central hole structure, floating type potentiometric sensor to be slided and are embedded in by central hole structure
On test pile.
Specifically, the reference electrode is selected from least one of high purity zinc or silver/silver halide, reference electrode can be same
Kind material or dissimilar material.
Specifically, the cathodic protection monitoring host includes protection cabinet, protection cabinet onboard data acquisition control module,
Multichannel I/O modules, test cable terminals, display module, communication module, memory module and power module：
By controlling multichannel I/O modules, the liquid level to being connected to test cable terminals passes data acquisition and control module
Sensor, floating type potentiometric sensor, fixed potentiometric sensor carry out control and data acquisition and conversion, and by storing mould
Block, display module and communication module realize being locally stored of data, shows and remote transmission；
Power module is used to provide electric power to each function module in protection cabinet.
Specifically, horizontal distance of the test suite installation site apart from offshore wind power foundation surface is less than 2 meters.
2, the present invention separately provides a kind of offshore wind power foundation cathodic protection remote monitoring method, includes the following steps：
S1, cathodic protection monitoring host is corresponded on each blower fan tower barrel, multiple cathodic protection monitoring hosts point
It is not connected and is controlled by host computer；
S2, one or uniformly distributed multiple test suites, cathodic protection monitoring host are configured on each offshore wind power foundation
Pass through the test cable phase of test cable terminals and liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor
Connection, by data acquisition and control module by controlling multichannel I/O modules, to being connected to the level sensing of test cable terminals
Device, floating type potentiometric sensor, fixed potentiometric sensor carry out Control ＆ data acquisition and conversion, and by memory module,
Display module and communication module realize being locally stored of data, shows and remote transmission；
S3, host computer remotely receive the operating status of cathodic protection monitoring host, are offshore wind power foundation tidal level fluctuation zone
The detection of cathodic protection potential and Global Macros effect provide reference.
A kind of offshore wind power foundation cathodic protection remote monitoring device and its monitoring method and prior art phase of the present invention
It is than generated advantageous effect：
1,1 liquid level sensor, 1 floating type potentiometric sensor, 1 fixation of 1 test pile of the invention and installation
Middle Eocene sensor constitutes test suite, and test suite is mounted on around offshore wind power foundation, position and offshore wind power foundation table
The horizontal distance in face should be less than 2 meters, and each offshore wind power foundation arranges 1 test suite or uniformly distributed multiple test suites；
2, a kind of offshore wind power foundation cathodic protection remote monitoring device of the invention, including cathodic protection monitoring host,
Test cable, liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor, test pile, cathodic protection monitoring host
Correspondence be distributed in each offshore wind farm tower, cathodic protection monitoring host by test cable be connected to test suite and
Each offshore wind power foundation, the device can accurately obtain tidal level by floating type potentiometric sensor and liquid level sensor and change in real time
The cathodic protection potential data in area are realized the automatic collection of offshore wind power foundation cathodic protection potential and tide level data, are turned
It changes, store and remote transmission；
3, cathodic protection monitoring host of the invention can be with multiple liquid equipped with multichannel I/O modules, test cable terminals
The test electricity of level sensor, multiple floating type potentiometric sensors, multiple fixed potentiometric sensors and its different combinations
Cable is connected；
Apparatus of the present invention can accurately obtain tidal level fluctuation zone in real time by floating type potentiometric sensor and liquid level sensor
Cathodic protection potential data solve what fixed wind power foundation structure was difficult to monitor in real time in tidal level fluctuation zone cathodic protection potential
Problem effectively improves the accuracy of wind power foundation cathodic protection recruitment evaluation；It is with simple in structure, easy to operate, versatility
The features such as strong, the cathodic protection for being suitable for the fixed structures object tidal level fluctuation zones such as ocean engineering field bridge, harbour, platform are in situ
Monitoring in real time.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of offshore wind power foundation cathodic protection remote monitoring device of the present invention；
Attached drawing 2 is the structural schematic diagram of cathodic protection monitoring host according to the present invention；
Attached drawing 3 is that the interior of floating type potentiometric sensor according to the present invention cuts open structural schematic diagram；
Attached drawing 4 is the mounting structure schematic diagram of floating type potentiometric sensor and test pile according to the present invention；
Attached drawing 5 is that the interior of fixed potentiometric sensor according to the present invention cuts open structural schematic diagram.
In figure, 1, cathodic protection monitoring host, 2, test cable, 3, liquid level sensor, 4, floating type potentiometric sensor, 5,
Fixed potentiometric sensor, 6, test pile, 7, sea bed, 8, sea level, 9, offshore wind power foundation, 10, data acquisition and control module,
11, multichannel I/O modules, 12, test cable terminals, 13, display module, 14, communication module, 15, memory module, 16, electricity
Source module, 17, protection cabinet, 18, porous septum, 19, reference electrode, 20, sealing material, 21, central hole structure, 22, partition board,
23, buoyancy shell, 24, buoyant material, 25, half-cell chamber, 26, counterweight shell, 27, weight material, 28, mounting hole.
Specific implementation mode
1-5 below in conjunction with the accompanying drawings, to a kind of offshore wind power foundation cathodic protection remote monitoring device and its prison of the present invention
Survey method is described in detail below.
Embodiment one
As shown in attached drawing 1,2, a kind of offshore wind power foundation cathodic protection remote monitoring device of the invention, including cathode are protected
Shield monitoring host 1, test cable 2, liquid level sensor 3, floating type potentiometric sensor 4, fixed potentiometric sensor 5 and test pile
6, test pile 6 is fixed on sea bed 7, is provided for liquid level sensor 3, floating type potentiometric sensor 4 and fixed potentiometric sensor 5
Support, test pile 6 and 5 structure of liquid level sensor 3 mounted thereto, floating type potentiometric sensor 4 and fixed potentiometric sensor
At a test suite.Wherein：
Cathodic protection monitoring host 1 correspondence be distributed in each offshore wind farm tower, cathodic protection monitoring host 1 with it is upper
Machine communicates, and cathodic protection monitoring host 1 is connected to the test suite and each offshore wind farm base by test cable 2
On plinth 9, wherein the quantity of test suite is one, and is distributed in around each offshore wind power foundation 9, installation site away from
Horizontal distance from 9 surface of offshore wind power foundation is 2 meters.
Cathodic protection monitoring host 1 includes protection cabinet 17, and 17 onboard data acquisition control module 10 of protection cabinet is led to more
Road I/O modules 11, test cable terminals 12, display module 13, communication module 14, memory module 15 and power module 16.It is anti-
Protecting box body 17 is used to be protected for each function module in it；Data acquisition and control module 10 is by controlling multichannel I/O moulds
Block 11, to being connected to the liquid level sensor 3, floating type potentiometric sensor 4, fixed potentiometric sensor of test cable terminals 12
5 carry out control and data acquisition and conversion, and the sheet of data is realized by memory module 15, display module 13 and communication module 14
Ground storage, display and remote transmission；Power module 16 is used to provide electric power to each function module in protection cabinet 17.
Liquid level sensor 3 is installed on the top of test pile 6, is measured for the tide level to sea level 8.Certainly,
Involved liquid level sensor 3 can also be mounted on the bottom end of test pile 6.
As shown in attached drawing 1,3,4, the sliding of floating type potentiometric sensor 4 is located on test pile 6, floats on sea by natural buoyancy
Plane 8, and change with tidal level and moved up and down along test pile 6, the cathodic protection potential data for measuring tidal level fluctuation zone.Specifically
, which includes buoyancy shell 23, and buoyancy shell 23 is in elliposoidal and has central hole structure 21, floats
Middle Eocene sensor 4 is inlaid in by the sliding of central hole structure 21 on test pile 6.23 inner route clapboard 22 of buoyancy shell is separated into buoyancy
Chamber and half-cell chamber 25 for accommodating Inner electrolysis matter fill buoyant material 24 in buoyancy cavity, and half-cell chamber 25 is open
End is sealed by porous septum 18, reference electrode 19 built in half-cell chamber 25, and reference electrode 19 is a high purity zinc, reference electrode
19 are packaged in by sealing material 20 in buoyancy shell 23, and are drawn lead and be connected to the test cable 2.
As shown in attached drawing 1,5, fixed potentiometric sensor 5 is installed on the bottom of test pile 6 by mounting hole 28, for surveying
Measure the cathodic protection potential data in the seabed areas Ni Xia.Specifically, fixed potentiometric sensor 5 includes counterweight shell 26, counterweight shell
26 inner route clapboard 22 of body is separated into counterweight chamber and the half-cell chamber 25 for accommodating Inner electrolysis matter, and the filling of counterweight intracavitary is matched
Heavy material 27,25 open end of half-cell chamber are sealed by porous septum 18, reference electrode 19 built in half-cell chamber 25, reference electricity
Pole 19 is a high purity zinc, and reference electrode 19 is packaged in by sealing material 20 in counterweight shell 26, and is drawn lead and be connected to institute
State test cable 2.
It should be noted that test pile 6 involved in the present invention is not limited to be fixed on sea bed 7, can also be fixed on
On offshore wind power foundation 9.Involved fixed potentiometric sensor 5 is not limited to be installed on the bottom of test pile 6, can also fix
In sea bed 7.Involved buoyancy shell 23 can be at least one of fiberglass, ABS, PVC etc., and buoyancy shell 23 is unlimited
In elliposoidal, or spherical.Involved buoyant material 24 can be polyurethane foam, epoxy foams, hollow glass
At least one of glass microballon etc..Involved sealing material 20 is at least one of epoxy resin or rubber.
A kind of offshore wind power foundation cathodic protection remote monitoring method of the present invention, includes the following steps：
S1, cathodic protection monitoring host 1 is corresponded on each blower fan tower barrel, multiple cathodic protection monitoring hosts 1
It is connected and is controlled by host computer respectively；
S2, a test suite is configured on each offshore wind power foundation 9, cathodic protection monitoring host 1 passes through test
The survey of cable termination 12 and a liquid level sensor 3, floating type potentiometric sensors, 4, fixed potentiometric sensors 5
Examination cable 2 is connected, and by data acquisition and control module 10 by controlling multichannel I/O modules 11, is connect to being connected to test cable
Liquid level sensor 3, floating type potentiometric sensor 4, the fixed potentiometric sensor 5 of line end 12 carry out Control ＆ data acquisition and turn
It changes, and being locally stored of data is realized by memory module 15, display module 13 and communication module 14, is shown and remote transmission；
S3, host computer remotely receive the operating status of cathodic protection monitoring host 1, are changed for 9 tidal level of offshore wind power foundation
The detection of area's cathodic protection potential and Global Macros effect provide reference.
Embodiment two
As shown in attached drawing 1,2, a kind of offshore wind power foundation cathodic protection remote monitoring device of the invention, including cathode are protected
Shield monitoring host 1, test cable 2, liquid level sensor 3, floating type potentiometric sensor 4, fixed potentiometric sensor 5 and test pile
6, test pile 6 is fixed on sea bed 7, is provided for liquid level sensor 3, floating type potentiometric sensor 4 and fixed potentiometric sensor 5
Support, and four constitute a test suite.Wherein：
Cathodic protection monitoring host 1 correspondence be distributed in each offshore wind farm tower, cathodic protection monitoring host 1 with it is upper
Machine communicates, and cathodic protection monitoring host 1 is connected to the test suite and each offshore wind farm base by test cable 2
On plinth 9, wherein the quantity of test suite is eight, and is distributed on around each offshore wind power foundation 9, installation site away from
Horizontal distance from 9 surface of offshore wind power foundation is 0.3 meter.
Cathodic protection monitoring host 1 includes protection cabinet 17, and 17 onboard data acquisition control module 10 of protection cabinet is led to more
Road I/O modules 11, test cable terminals 12, display module 13, communication module 14, memory module 15 and power module 16.It is anti-
Protecting box body 17 is used to be protected for each function module in it；Data acquisition and control module 10 is by controlling multichannel I/O moulds
Block 11, to being connected to the liquid level sensor 3, floating type potentiometric sensor 4, fixed potentiometric sensor of test cable terminals 12
5 carry out control and data acquisition and conversion, and the sheet of data is realized by memory module 15, display module 13 and communication module 14
Ground storage, display and remote transmission；Power module 16 is used to provide electric power to each function module in protection cabinet 17.
Liquid level sensor 3 is installed on the top of test pile 6, is measured for the tide level to sea level 8.Certainly,
Involved liquid level sensor 3 can also be mounted on the bottom end of test pile 6.
As shown in attached drawing 3,4, the sliding of floating type potentiometric sensor 4 is located on test pile 6, floats on Hai Ping by natural buoyancy
Face 8, and change with tidal level and moved up and down along test pile 6, the cathodic protection potential data for measuring tidal level fluctuation zone.Specifically
, which includes buoyancy shell 23, and buoyancy shell 23 is in elliposoidal and has central hole structure 21, floats
Middle Eocene sensor 4 is inlaid in by the sliding of central hole structure 21 on test pile 6.23 inner route clapboard 22 of buoyancy shell is separated into buoyancy
Chamber and half-cell chamber 25 for accommodating Inner electrolysis matter fill buoyant material 24 in buoyancy cavity, and half-cell chamber 25 is open
End is sealed by porous septum 18, reference electrode 19 built in half-cell chamber 25, and reference electrode 19 is three high purity zincs, reference electrode
19 are packaged in by sealing material 20 in buoyancy shell 23, and are drawn lead and be connected to the test cable 2.
As shown in attached drawing 1,5, fixed potentiometric sensor 5 is installed on the bottom of test pile 6 by mounting hole 28, for surveying
Measure the cathodic protection potential data in the seabed areas Ni Xia.Specifically, fixed potentiometric sensor 5 includes counterweight shell 26, counterweight shell
26 inner route clapboard 22 of body is separated into counterweight chamber and the half-cell chamber 25 for accommodating Inner electrolysis matter, and the filling of counterweight intracavitary is matched
Heavy material 27,25 open end of half-cell chamber are sealed by porous septum 18, reference electrode 19 built in half-cell chamber 25, reference electricity
Pole 19 is a high purity zinc, two silver/silver chlorates, and reference electrode 19 is packaged in by sealing material 20 in counterweight shell 26, and is drawn
Go out lead and is connected to the test cable 2.
A kind of offshore wind power foundation cathodic protection remote monitoring method of the present invention, includes the following steps：
S1, cathodic protection monitoring host 1 is corresponded on each blower fan tower barrel, multiple cathodic protection monitoring hosts 1
It is connected and is controlled by host computer respectively；
S2,9 uniformly distributed eight test suites on each offshore wind power foundation, cathodic protection monitoring host 1 is by testing electricity
The test of cable terminals 12 and eight liquid level sensors, 3, eight floating type potentiometric sensors, 4, eight fixed potentiometric sensors 5
Cable 2 is connected, by data acquisition and control module 10 by controlling multichannel I/O modules 11, to being connected to test cable wiring
Liquid level sensor 3, floating type potentiometric sensor 4, the fixed potentiometric sensor 5 at end 12 carry out Control ＆ data acquisition and turn
It changes, and being locally stored of data is realized by memory module 15, display module 13 and communication module 14, is shown and remote transmission；
S3, host computer remotely receive the operating status of cathodic protection monitoring host 1, are changed for 9 tidal level of offshore wind power foundation
The detection of area's cathodic protection potential and Global Macros effect provide reference.
Claims (10)
1. a kind of offshore wind power foundation cathodic protection remote monitoring device, which is characterized in that including cathodic protection monitoring host, survey
Examination cable, liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor and test pile, test pile are fixed on sea bed
Or on offshore wind power foundation, test pile and liquid level sensor mounted thereto, floating type potentiometric sensor and fixed Middle Eocene
Sensor constitutes a test suite, wherein：
Cathodic protection monitoring host correspondence is distributed in each offshore wind farm tower, and cathodic protection monitoring host is communicated with host computer
News, cathodic protection monitoring host are connected to by test cable on the test suite and each offshore wind power foundation, are surveyed
The quantity of examination component is at least one, and is distributed in around each offshore wind power foundation；
Liquid level sensor is located at one end of test pile, is measured for the tide level to sea level；
Floating type potentiometric sensor sliding is located on test pile, floats on sea level by natural buoyancy, and change along survey with tidal level
Test pile moves up and down, the cathodic protection potential data for measuring tidal level fluctuation zone；
Fixed potentiometric sensor is located at the bottom of test pile or in sea bed, the cathodic protection for measuring the seabed areas Ni Xia
Potential data.
2. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 1, which is characterized in that described
Cathodic protection monitoring host includes protection cabinet, protection cabinet onboard data acquisition control module, multichannel I/O modules, test
Cable termination, display module, communication module, memory module and power module：
Data acquisition and control module by control multichannel I/O modules, to be connected to test cable terminals liquid level sensor,
Floating type potentiometric sensor, fixed potentiometric sensor carry out control and data acquisition and conversion, and pass through memory module, display
Module and communication module realize being locally stored of data, shows and remote transmission；
Power module is used to provide electric power to each function module in protection cabinet.
3. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 1, which is characterized in that described
Floating type potentiometric sensor includes buoyancy shell, and buoyancy shell inner route clapboard is separated into buoyancy cavity and for accommodating Inner electrolysis
The half-cell chamber of matter, buoyancy cavity is interior to fill buoyant material, and half-cell chamber opening end is sealed by porous septum, half-cell chamber
Built-in reference electrode, reference electrode are packaged in by sealing material in buoyancy shell, and are drawn lead and be connected to the test cable.
4. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 1, which is characterized in that described
Fixed potentiometric sensor includes counterweight shell, and counterweight shell inner route clapboard is separated into counterweight chamber and for accommodating Inner electrolysis
The half-cell chamber of matter, counterweight intracavitary fill weight material, and half-cell chamber opening end is sealed by porous septum, half-cell chamber
Built-in reference electrode, reference electrode are packaged in by sealing material in counterweight shell, and are drawn lead and be connected to the test cable.
5. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 3, which is characterized in that described
Buoyancy shell is spherical or elliposoidal.
6. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 3 or 5, which is characterized in that
There is the buoyancy shell central hole structure, floating type potentiometric sensor to be inlaid on test pile by central hole structure sliding.
7. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 3 or 4 or 5, feature exist
In the reference electrode is selected from least one of high purity zinc or silver/silver halide.
8. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claims 1 or 2 or 3 or 4 or 5,
It is characterized in that, horizontal distance of the test pile installation site apart from offshore wind power foundation surface is less than 2 meters.
9. a kind of offshore wind power foundation cathodic protection remote monitoring device according to claim 1, which is characterized in that described
Liquid level sensor is installed on the top or bottom end of test pile.
10. a kind of offshore wind power foundation cathodic protection remote monitoring method, which is characterized in that include the following steps：
S1, by cathodic protection monitoring host correspond to be mounted on each blower fan tower barrel on, multiple cathodic protection monitoring hosts respectively by
Host computer connection control；
S2, at least one test suite described in claim 1, cathodic protection monitoring are configured on each offshore wind power foundation
The test electricity that host passes through test cable terminals and liquid level sensor, floating type potentiometric sensor, fixed potentiometric sensor
Cable is connected, by data acquisition and control module by controlling multichannel I/O modules, to being connected to the liquid level of test cable terminals
Sensor, floating type potentiometric sensor, fixed potentiometric sensor carry out Control ＆ data acquisition and conversion, and by storing mould
Block, display module and communication module realize being locally stored of data, shows and remote transmission；
S3, host computer remotely receive the operating status of cathodic protection monitoring host, are offshore wind power foundation tidal level fluctuation zone cathode
The detection of protection potential and Global Macros effect provide reference.
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| CN111286741B (en) * | 2020-03-24 | 2024-07-16 | 中核核电运行管理有限公司 | Floating auxiliary anode mounting and fixing device |
| CN112695330A (en) * | 2021-01-24 | 2021-04-23 | 西南石油大学 | Intelligent cathode protection monitoring equipment |
| CN113356285A (en) * | 2021-06-24 | 2021-09-07 | 浙江华东测绘与工程安全技术有限公司 | Offshore wind power suction bucket jacket foundation safety monitoring device |
| CN114483472A (en) * | 2022-01-26 | 2022-05-13 | 中国船舶重工集团海装风电股份有限公司 | Real-time monitoring system for offshore floating wind power equipment |
| CN118563327B (en) * | 2024-05-13 | 2025-04-11 | 深圳国能宸泰科技有限公司 | Cathodic protection system for the inner wall of offshore wind power monopile tower |
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| US4056446A (en) * | 1977-01-03 | 1977-11-01 | Continental Oil Company | Diverless cathodic protection data acquisition |
| US4609448A (en) * | 1984-12-24 | 1986-09-02 | Texaco Inc. | Cathodic protection monitor system for submerged structures |
| US4690587A (en) * | 1985-10-21 | 1987-09-01 | Texaco Inc. | Corrosion detection for marine structure |
| CN202323034U (en) * | 2011-11-08 | 2012-07-11 | 中国海洋石油总公司 | Cathode protecting potential scanning device for steel structure in water |
| CN202954096U (en) * | 2012-11-30 | 2013-05-29 | 上海东海风力发电有限公司 | Cathode protection monitoring device of offshore wind power foundation structure |
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