CN107917943A - A kind of cylinder oceanographic equipment electrochemical protection test system - Google Patents
A kind of cylinder oceanographic equipment electrochemical protection test system Download PDFInfo
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- CN107917943A CN107917943A CN201711013158.2A CN201711013158A CN107917943A CN 107917943 A CN107917943 A CN 107917943A CN 201711013158 A CN201711013158 A CN 201711013158A CN 107917943 A CN107917943 A CN 107917943A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
Abstract
The invention discloses a kind of cylindrical oceanographic equipment electrochemical protection test system, fixed by experiment assistant subsystem, electro-chemical test subsystem, reference electrode and drive subsystem forms；Experiment assistant subsystem includes experimental tank, device fixed frame and supporting bracket；Electro-chemical test subsystem includes electrochemical workstation, No.1 computer and reference electrode；Reference electrode is fixed and drive subsystem includes electrode axial securing means for impeller, the circumferentially fixed device of electrode and transmission device；Electrode axial securing means for impeller includes sliding block, electrode fixed frame, big retainer ring, small retainer ring；The circumferentially fixed device of electrode includes lead ring, plug；Transmission device includes rail plate, turn-screw, linear bearing, transmission nut, bearing, bearing block, yielding coupling, servomotor, No. two computers.The present invention can Accurate Determining cylinder submarine navigation device surface relative potentials, determine the electrochemical corrosion degree of tested aircraft, know the information such as corrosion weak spot.
Description
Technical field
The invention belongs to mechanical design field, more specifically, being to be related to a kind of cylindrical oceanographic equipment electrochemical protection
Test system.
Background technology
Marine corrosion has become key issue urgently to be resolved hurrily in marine settings and ocean engineering, as the mankind are to ocean
Progressively understanding and exploration, marine settings and ocean engineering constantly put into practical application, but severe marine environment is to ocean
The corrosion of equipment and ocean engineering has become the topic that each field in countries in the world is paid attention to.In numerous corrosion researches and anti-corrosion
In measure, electrochemical anti-corrosive is a kind of largely effective and reliable scheme.But traditional sacrificial protection simply uses
Galvanic principles select corresponding anode, by virtue of experience determine the amount of anode and fixed position.Three problems are so resulted in,
First, the material selection of anode is improper, real protecting effect can be not necessarily played；But the amount of anode is excessive very few easy
Produce overprotection and the insufficient consequence of protection；Third, being only determined empirically the riding position of anode may cause entirely by protective device
It is some place overprotections, some places are under proteciton, so since sacrificial anode electrochemical protection cannot play it is due
Effect.
The content of the invention
The purpose of the invention is to overcome deficiency of the prior art, there is provided a kind of cylinder oceanographic equipment electrochemistry
Test system is protected, electrochemical protection (anode loss protection) conceptual design and effect are carried out for various cylindrical submarine navigation devices
Verification provides experiment test system, can be with the phase on Accurate Determining cylinder submarine navigation device surface using the system and relevant device
To current potential, the electric potential field on whole aircraft surface is drawn, the electrochemical corrosion degree of tested aircraft is determined, knows that corrosion is weak
The information such as point, foundation, and the feasibility of proof scheme are provided for design electrochemical protection scheme.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of cylinder oceanographic equipment electrochemical protection test system, by experiment assistant subsystem, electro-chemical test subsystem
System, reference electrode are fixed and drive subsystem three parts composition；
The experiment assistant subsystem includes being built-in with the experimental tank of seawater, and the experimental tank inner opposite side is set
There is device fixed frame, supporting bracket is provided between two device fixed frames；
The electro-chemical test subsystem includes electrochemical workstation, No.1 computer and reference electrode, the electrochemistry
Work station exports two groups of data cables by serial ports, and one group is connected in tested cylindrical equipment by shielded cable, and another group leads to
Shielded cable is crossed to be connected with reference electrode；The electrochemical workstation connects No.1 computer by data cable and realizes that data are adopted
Collection；Data acquisition scheme, data acquiring frequency and output file name are set using electrochemical workstation, realize that No.1 calculates
Setting and control of the machine to electrochemical workstation and reference electrode；
The reference electrode is fixed and drive subsystem includes electrode axial securing means for impeller, the circumferentially fixed device of electrode and biography
Dynamic device；The electrode axial securing means for impeller includes sliding block, and electrode fixed frame is provided with the sliding block, by big retainer ring and
Reference electrode is fixed on electrode fixed frame by small retainer ring；The circumferentially fixed device of electrode is sleeved on tested cylinder including two
Lead ring in shape equipment, the opposite side of two lead rings are both provided with the track groove for installing sliding block, both ends between two lead rings
It is respectively arranged with plug；The transmission device includes two rail plates and a driving wire being arranged between device fixed frame
Thick stick, every rail plate are each passed through the linear bearing for being arranged at lead ring end, and the turn-screw is disposed through each lead
Transmission nut in the middle part of ring, described turn-screw one end are installed on the bearing on device fixed frame, and the other end passes through built-in axis
The bearing block held connects servomotor by yielding coupling, and the servomotor connects No. two meters by driver with Serial Port Line
Calculation machine is controlled.
The circumferentially fixed device of the electrode axial securing means for impeller and electrode is made of POM materials.
The electrode axial securing means for impeller not only axial restraint reference electrode, but also circumferential movement and positioning reference electrode, it is described
The circumferentially fixed device of electrode not only circumferentially fixed reference electrode, but also axial movement reference electrode.
The big retainer ring and small retainer ring are used to adjusting and fixing the relatively tested cylindrical equipment surface of reference electrode
Distance.
The fixing sleeve being sheathed on turn-screw is provided between two transmission nuts, outside each transmission nut
Side is both provided with nut end cover.
The bearing in bearing and bearing block on described device fixed frame is both provided with bearing (ball) cover.
The bearing block is fixed on horizontally disposed support base, the device of side where the support base is fixedly installed in it
Fixed frame side.
The transmission device by the rotating speeds of No. two computer regulated servomotors so as to control turn-screw rotating speed and then
Axial movement speed, startup and the stopping of the circumferentially fixed device of coordination electrode.
Compared with prior art, beneficial effect caused by technical scheme is：
(1) big retainer ring and small retainer ring can adjust and fix the relatively tested cylindrical equipment of reference electrode in the present invention
The distance on surface；
(2) sliding block both can axially be consolidated along track groove to circumferential slip, electrode axial securing means for impeller in the present invention
Determine reference electrode, and can circumferentially move and positioning reference electrode；No. two computer-controlled servo motors, servomotor, which drives, to be passed
Dynamic device causes lead ring to drive reference electrode to slide axially along tested cylindrical equipment, and the circumferentially fixed device of electrode both can week
To fixed reference electrode, and reference electrode can be moved axially；
(3) reference electrode connects electrochemical workstation by shielded cable in the present invention, and electrochemical workstation passes through data
Line connection No.1 computer realizes data acquisition, sets data acquisition scheme, data to adopt using electrochemical workstation software kit
Collect frequency and output file name etc., realize setting and control of the No.1 computer to electrochemical workstation and reference electrode,
The potential that No.1 computer passes through each point on electrochemical workstation and the tested cylindrical equipment of reference electrode measurement；
(4) present invention can stablize, reference electrode quickly and accurately is moved to tested cylindrical equipment by transmission device
On any one position so as to implement it is accurate, intensive, continuous, efficiently gather the electric potential field that meets the requirements point on equipment under test
Cloth, and then pass through the work of computer and its related algorithm completion electrochemical protection conceptual design and plan-validation；
(5) present invention can be rapid to the marine settings such as cylindrical submarine navigation device and engineering progress electrochemical corrosion test
Obtain the current electrochemical corrosion degree of testee and corrode the place of most serious (i.e. most weak)；At the same time to electrochemical protection
Sacrificial anode design provides theoretical and experimental basis, instructs to rationally design sacrificial anode, and to final electrochemical protection effect
Verified；Optimal anti-corrosion effect is finally realized with minimum manpower and materials cost.
Brief description of the drawings
Fig. 1 is cylindrical oceanographic equipment electrochemical protection test system schematic of the invention；
Fig. 2 is cylindrical oceanographic equipment electrochemical protection test system front view of the invention；
Fig. 3 is cylindrical oceanographic equipment electrochemical protection test system top view of the invention；
Fig. 4 is experiment assistant subsystem schematic diagram in the present invention；
Fig. 5 is electro-chemical test subsystem schematic diagram in the present invention；
Fig. 6 is electrode axial direction fixing device schematic diagram in the present invention；
Fig. 7 is the circumferentially fixed schematic device of electrode in the present invention；
Fig. 8 is electrode axial securing means for impeller and the circumferentially fixed device installation diagram of electrode in the present invention；
Fig. 9 is transmission device front view in the present invention；
Figure 10 is transmission device top view in the present invention；
Figure 11 is transmission device partial enlarged view in the present invention；
Figure 12 is transmission device partial elevational elevation view in the present invention.
Reference numeral:1 experiment assistant subsystem；2 electro-chemical test subsystems；3 reference electrodes are fixed and drive subsystem；
4 tested cylindrical equipment；101 device fixed frames；102 supporting brackets；103 experimental tanks；201 electrochemical workstations；202 No.1 meters
Calculation machine；203 reference electrodes；301 sliding blocks；302 electrode fixed frames；303 big retainer rings；304 small retainer rings；305 lead rings；306 is straight
Spool is held；307 nut end covers；308 fixing sleeves；309 plugs；310 turn-screws；311 rail plates；312 support bases；313 axis
Bearing；314 yielding couplings；315 servomotors；316 drivers；317 No. two computers.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Test proposes following functional requirement to experimental provision：(1) ensure experiment reference electrode apart from measured object surface distance
Constant (4~6mm), and electrode and measured object do not vibrate；(2) ensure that reference electrode at the uniform velocity moves in the axial direction, i.e., etc.
The intensive measurement of spacing；(3) ensure that reference electrode densely stablizes gathered data as far as possible in a circumferential direction；(4) ensure to the greatest extent may be used
It can be measured in more times under the conditions of equality of temperature is with pressure, i.e., to the requirement in device speed.In order to meet above-mentioned requirements, this hair
The bright electrochemical protection conceptual design for cylindrical submarine navigation device and similar equipment progress sacrificial anode provides experiment and surveys
Trial assembly is put, and is guaranteed accurately to measure such aircraft and equipment surface electric potential field, is drawn out corresponding image, accurately
Intuitively reflect its corrosion and by protection situation.
Cylinder oceanographic equipment electrochemical protection test system of the invention has the function of as follows：1) ensure reference electrode in axis
At the uniform velocity quickly moved to direction；2) ensure that reference electrode and measured object surface distance are constant adjustable；3) ensure that reference electrode can be with
Certain angle moves in a circumferential direction, and ensures that it is constant apart from measured object surface distance.
As shown in Figure 1 to Figure 3, the cylindrical oceanographic equipment electrochemical protection of the present invention tests system by experiment assistant subsystem
1st, electro-chemical test subsystem 2, reference electrode are fixed and 3 three parts of drive subsystem form.
As shown in figure 4, the experiment assistant subsystem 1 includes being built-in with the experimental tank 103 of seawater, experimental tank 103
It is the experimental situation of experiment with seawater, the amount of seawater must not have tested cylindrical equipment 4.The 103 inside phase of experimental tank
Offside is provided with device fixed frame 101, and two device fixed frames 101 are both provided with counterweight, can anti-locking apparatus and equipment in sea
Float in water, ensure that experiment is smoothed out.Two supporting brackets 102 are provided between two device fixed frames 101, be used to support by
Survey cylindrical equipment 4.
As shown in figure 5, the electro-chemical test subsystem 2 includes electrochemical workstation 201, No.1 computer 202 and ginseng
Than electrode 203.The electrochemical workstation 201 can use Interface1000E electrochemical workstations, the electrochemical workstation
201 connect 220 AC powers by self-powered line.The electrochemical workstation 201 by serial ports export two groups of data cables, one group
It is connected to by shielded cable in tested cylindrical equipment 4, another group is connected by shielded cable with reference electrode 203, is utilized
Electrochemical workstation 201 is connected by USB data line with No.1 computer 202, realizes data acquisition.Utilize electrochemical workstation
201 software kits set data acquisition scheme, data acquiring frequency and output file name etc., realize No.1 computer 202
Setting and control to electrochemical workstation 201 and reference electrode 203.
The reference electrode fix and drive subsystem 3 include electrode axial securing means for impeller, the circumferentially fixed device of electrode and
Transmission device, the circumferentially fixed device of the electrode axial securing means for impeller and electrode are made of POM materials, ensure that its work is strong
Degree and certain greasy property.
As shown in fig. 6, the electrode axial securing means for impeller includes sliding block 301, being provided with electrode on the sliding block 301 fixes
Reference electrode 203, is fixed on electrode fixed frame 302, big retainer ring by frame 302 by big retainer ring 303 and small retainer ring 304
303 and small retainer ring 304 can adjust and fix the distance on relatively tested cylindrical 4 surface of equipment of reference electrode 203.The electricity
Pole axial securing means for impeller not only can be with axial restraint reference electrode 203, but also can circumferentially move and positioning reference electrode 203.
As shown in fig. 7, the circumferentially fixed device of electrode includes two lead rings 305 being sleeved in tested cylindrical equipment 4,
The opposite side of two lead rings 305 is both provided with the track groove for installing sliding block 301, and sliding block 301 can be along track groove to week
To slip.Both ends are respectively arranged with plug 309 between two lead rings 305, and anti-limited slip block 301 departs from from track groove.The electricity
Extremely circumferentially fixed device not only can be with circumferentially fixed reference electrode 203, but also can move axially reference electrode 203.Electrode is axially solid
Determine device and the circumferentially fixed device installation diagram of electrode is as shown in Figure 8.
As shown in Fig. 9 to Figure 12, the transmission device includes two rail plates 311 and a driving wire being arranged in parallel
Thick stick 310, every rail plate 311 are both secured between two device fixed frames 101, and every rail plate 311 is each passed through two
A linear bearing 306, each linear bearing 306 are respectively arranged at 305 end of lead ring, i.e., the both ends of one lead ring 305 are each solid
A fixed linear bearing 306.The turn-screw 310 passes through two transmission nuts, and each transmission nut is individually fixed in one
The middle part of lead ring 305, is provided with the fixing sleeve 308 being sheathed on turn-screw 310 between two transmission nuts, for circumferential direction
Mobile sliding block 301 carries out spacing, and nut end cover 307 is both provided with the outside of each transmission nut.310 one end of turn-screw peace
Loaded on the bearing on device fixed frame 101, the bearing block 313 of the other end through built-in bearing is connected by yielding coupling 314
Servomotor 315 is connect, the servomotor 315 connects No. two computers 317 by driver 316 and Serial Port Line and is controlled,
The energy is provided by DC power supply.The bearing block 313 is fixed on horizontally disposed support base 312, and the support base 312 is solid
Device fixed frame 101 side of the Dingan County loaded on side where it.In bearing and bearing block 313 on described device fixed frame 101
Bearing is both provided with bearing (ball) cover.The transmission device adjusts the rotating speed of servomotor 315 so as to control by No. two computers 317
Axial movement speed, startup and the stopping of 310 rotating speed of turn-screw and then the circumferentially fixed device of coordination electrode.
Cylinder oceanographic equipment electrochemical protection test system of the invention is at the trial, whole to be tested 4 He of cylindrical equipment
The head of reference electrode 203 must be totally submerged in seawater, first with a shielded cable by tested cylindrical equipment 4 and electrification
Learn work station 201 to be connected, then electrochemical workstation 201 is connected with reference electrode 203 with another shielded cable.Power supply is connect
Onto driver 316, driver 316 connects servomotor 315, and servomotor 315 drives transmission device that lead ring 305 is driven
Reference electrode 203 slides axially along tested cylindrical equipment 4, and simultaneous electrochemical work station 201 is gathered by reference electrode 203
The potential of difference in tested cylinder equipment 4.After having surveyed the straight line data in a tested cylindrical equipment 4, pass through
Circumferentially adjusting slider 301 further measures the data on the straight line of another angle.It is finally completed whole quilt under water
The potential of each point on cylinder equipment 4 is surveyed, so as to make potential field picture, and then determines the tested electricity of cylinder equipment 4
The most weak place of chemoproection, that is, sacrificial anode needs place to be mounted.
The electrochemical protection side of design can be verified by testing system by cylindrical oceanographic equipment electrochemical protection of the invention
Whether case is reasonable, if feasible.The present invention can be underwater cylindrical aircraft, underwater cylindrical pipeline, underwater cylinder other
Equipment etc. provides electrochemical protection conceptual design and provides theoretical and experimental basis, while designed scheme can be tested
Card.Set so as to provide long-term Project for Corrosion Protection for aircraft, pipeline, equipment and the various engineering structures in underwater mainly ocean
Meter and plan-validation.
Although the function and the course of work of the present invention are described above in conjunction with attached drawing, the invention is not limited in
Above-mentioned concrete function and the course of work, above-mentioned embodiment is only schematical, rather than restricted, ability
The those of ordinary skill in domain is not departing from present inventive concept and scope of the claimed protection situation under the enlightenment of the present invention
Under, many forms can also be made, these are belonged within the protection of the present invention.
Claims (8)
1. a kind of cylinder oceanographic equipment electrochemical protection test system, it is characterised in that by experiment assistant subsystem (1), electricity
Test chemical subsystem (2), reference electrode is fixed and drive subsystem (3) three parts composition；
The experiment assistant subsystem (1) includes being built-in with the experimental tank (103) of seawater, and the experimental tank (103) is internal
Couple positioned opposite has device fixed frame (101), and supporting bracket (102) is provided between two device fixed frames (101)；
The electro-chemical test subsystem (2) includes electrochemical workstation (201), No.1 computer (202) and reference electrode
(203), the electrochemical workstation (201) by serial ports export two groups of data cables, one group be connected to by shielded cable it is tested
On cylindrical equipment (4), another group is connected by shielded cable with reference electrode (203)；The electrochemical workstation (201) is logical
Cross data cable connection No.1 computer (202) and realize data acquisition；Using electrochemical workstation (201), data acquisition module is set
Formula, data acquiring frequency and output file name, realize No.1 computer (202) to electrochemical workstation (201) and reference
The setting and control of electrode (203)；
The reference electrode is fixed and drive subsystem (3) includes electrode axial securing means for impeller, the circumferentially fixed device of electrode and biography
Dynamic device；The electrode axial securing means for impeller includes sliding block (301), and electrode fixed frame is provided with the sliding block (301)
(302), reference electrode (203) is fixed on electrode fixed frame (302) by big retainer ring (303) and small retainer ring (304)；
The circumferentially fixed device of electrode includes two lead rings (305) being sleeved on tested cylindrical equipment (4), two lead rings (305)
Opposite side be both provided with for installing the track grooves of sliding block (301), both ends are respectively arranged with plug between two lead rings (305)
(309)；The transmission device includes two rail plates (311) being arranged between device fixed frame (101) and a transmission
Leading screw (310), every rail plate (311) are each passed through the linear bearing (306) for being arranged at lead ring (305) end, the biography
Dynamic leading screw (310) is disposed through the transmission nut in the middle part of each lead ring (305), and described turn-screw (310) one end is installed on
On bearing on device fixed frame (101), the bearing block (313) of the other end through built-in bearing passes through yielding coupling (314)
Servomotor (315) is connected, the servomotor (315) connects No. two computers (317) by driver (316) with Serial Port Line
It is controlled.
2. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that the electrode
Axial securing means for impeller and the circumferentially fixed device of electrode are made of POM materials.
3. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that the electrode
Axial securing means for impeller not only axial restraint reference electrode (203), but also circumferential movement and positioning reference electrode (203), the electrode week
To fixing device not only circumferentially fixed reference electrode (203), but also axial movement reference electrode (203).
4. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that described big solid
Determine ring (303) and small retainer ring (304) is used to adjusting and fixing relatively tested cylindrical equipment (4) surface of reference electrode (203)
Distance.
5. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that described in two
The fixing sleeve (308) being sheathed on turn-screw (310) is provided between transmission nut, is all provided with the outside of each transmission nut
It is equipped with nut end cover (307).
6. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that described device
The bearing in bearing and bearing block (313) on fixed frame (101) is both provided with bearing (ball) cover.
7. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that the bearing
Seat (313) is fixed on horizontally disposed support base (312), the device of side where the support base (312) is fixedly installed in it
Fixed frame (101) side.
8. cylinder oceanographic equipment electrochemical protection test system according to claim 1, it is characterised in that the transmission
Device adjusts the rotating speed of servomotor (315) so as to control turn-screw (310) rotating speed and then control by No. two computers (317)
Axial movement speed, startup and the stopping of the circumferentially fixed device of electrode processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013158.2A CN107917943B (en) | 2017-10-26 | 2017-10-26 | A kind of cylinder oceanographic equipment electrochemical protection test macro |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013158.2A CN107917943B (en) | 2017-10-26 | 2017-10-26 | A kind of cylinder oceanographic equipment electrochemical protection test macro |
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| Publication Number | Publication Date |
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| CN107917943A true CN107917943A (en) | 2018-04-17 |
| CN107917943B CN107917943B (en) | 2019-10-22 |
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