CN106501164B - A kind of seawater corrosion prevention coating corrosion resistance test device and its control method - Google Patents
A kind of seawater corrosion prevention coating corrosion resistance test device and its control method Download PDFInfo
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- CN106501164B CN106501164B CN201610977632.2A CN201610977632A CN106501164B CN 106501164 B CN106501164 B CN 106501164B CN 201610977632 A CN201610977632 A CN 201610977632A CN 106501164 B CN106501164 B CN 106501164B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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Abstract
A kind of seawater corrosion prevention coating corrosion resistance test device, including test platform and control platform, test platform is exposed to the sun hanger by several outdoors and seawater supply system forms, wherein outdoor be exposed to the sun hanger include two support posts, the platform that is exposed to the sun being rectangle is rotatably connected between the top of two support posts, junction is provided with semicircular positioning orifice plate, its straight flange is fixedly connected with the platform that is exposed to the sun, support post is connected by fastening screw with angle location hole, a lifting device is additionally provided with being exposed to the sun on platform, seawater pipeline is provided on lifting device, the outflow end of seawater pipeline is provided with several towards the atomizer for the platform that is exposed to the sun；Several are also movably set on platform for placing the fixed plate of testpieces being exposed to the sun；Seawater supply system includes seawater pond, sea water pump, constant-pressure tank and the water supplying pipe being sequentially communicated；Control platform is made of touch screen and the PLC control unit being attached thereto.High degree of automation of the present invention, test result science are reliable.
Description
Technical field
The invention belongs to seawater corrosion test engineering device technique field, specifically a kind of corrosion-resistant examination of seawater corrosion prevention coating
Experiment device and its control method.
Background technique
Seawater is a kind of extremely complex multicomponent aqueous solution, and the sodium chloride that wherein concentration is 3%~3.5% is that it mainly contains
Salt component, while seawater is usually dissolved with air, therefore under field conditions (factors), seawater has compared with strong corrosive metal component.
With the development of ocean engineering, fixation steel structure marine, by seashore is more and more, these steel structures are in addition to there is seawater leaching
Corrosion phenomenon is steeped, corrosion phenomenon caused by seawater splash is usually also suffered from.In seawater splash region, steel construction is chronically at tide
In the case where wet, polyoxy, extent of corrosion most serious.Therefore anticorrosive paint is mostly used to carry out marine environment with steel construction now
Protection, reduces its loss rate, prolongs the service life, and reduces application cost.
In order to make the performance of anticorrosive paint get a promotion, it is essential for carrying out test to anticorrosive paint.But seawater
Corrosion of splashing is influenced by many environmental factors, such as the salinity and wind-force size of illumination condition, seawater, therefore is carried out
The difficulty of test is very high.Current anticorrosive paint test mainly uses two methods.
1, it is tested using real extra large lacing film.The corrosive environment of this method is true, but has the disadvantage that test
Period is generally longer, and the cost is relatively high, it is difficult to real-time detection etch state, and test data discreteness is big, is unfavorable for needle
Specific factor is analyzed.It is particularly acute, in test often loses sample because of violent storm and the attack of wave, make
It is incomplete at data, make entirely to test and be destroyed overnight, all that has been achieved is spoiled.Today with rapid changepl. never-ending changes and improvements is researched and developed in new material, natural environment
Corrosion test is difficult to meet the quick and precisely evaluation corrosion proof needs of material.
2, it is tested using laboratory simulations.What experimental rig in the prior art mostly used is fully closed set
Meter, is tested by the simulation to Sea Water Splashing Zone environment, and experimental enviroment is stablized, and controllable degree is high, and the test period also compares
It is shorter, but still have many shortcomings.First be simulation environment there is differences always for natural environment
It is different, such as illumination condition, air conditions etc., there is large effect to test result；Followed by most devices are using to examination
Test part sprayed sea water or spray simulated seawater method, during the test, anticorrosive paint by sea washes power influenced compared with
Greatly, so influence test result accuracy, be unable to get the most truthful data of anticorrosive paint corrosion resistance.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of high degree of automation, tests process engineering, can be right
Various parameters are flexibly controlled during test, a kind of seawater corrosion resistance test dress of the good anticorrosive paint of final test effect
It sets.
To achieve the goals above, the scheme that the present invention uses are as follows:
A kind of seawater corrosion prevention coating corrosion resistance test device, including test platform and control platform, the test platform by
Several outdoors be exposed to the sun hanger and seawater supply system composition, wherein outdoor be exposed to the sun hanger include two support posts, two support
It is rotatably connected to the platform that is exposed to the sun being rectangle between the top of column, junction is provided with semicircular positioning orifice plate,
Straight flange is fixedly connected with the platform that is exposed to the sun, and offers several angle location holes in arc-shaped on positioning orifice plate, and support post is logical
It crosses fastening screw to be connected with angle location hole, be made to be exposed to the sun the inclination angle range of platform by the cooperation of positioning orifice plate and support post
At 0-90 °；It is additionally provided with a lifting device being exposed to the sun on platform, is provided with seawater pipeline on lifting device, seawater pipeline
Outflow end is provided with several towards the atomizer for the platform that is exposed to the sun；Several are also movably set with for putting being exposed to the sun on platform
Set the fixed plate of testpieces；
The seawater supply system includes seawater pond, sea water pump, constant-pressure tank and the water supplying pipe being sequentially communicated, wherein seawater pond
Valve is inputted by seawater to be directly connected to sea, the frequency converter of adjustment seawater pump power is additionally provided on sea water pump, is supplied water
The outflow end of pipe is connected by solenoid valve with the inflow end of seawater pipeline；
The control platform is made of touch screen and the PLC control unit being attached thereto, and wherein PLC control unit is also distinguished
It is connected with frequency converter and sensing system.
The lifting device is made of two mounting brackets and the pipeline support being arranged in mounting bracket.
There are two mounting rails for setting along its length on the platform that is exposed to the sun, and respectively offer several on two mounting rails
The both ends of mounting hole, fixed plate are separately fixed in mounting hole.
The support post is arranged in mounting seat, is additionally provided with support between the lower part and mounting seat of support post
Muscle.
The mounting bracket is trapezoidal, and installation sleeve, the lower end of pipeline support are provided in the middle part of the top margin of mounting bracket
It is arranged in installation sleeve, and passes through lifting fixture nut locking.
Setting is there are three in T-shaped spray tube on the seawater pipeline, and vertical portion is connected to seawater pipeline, water
The both ends of flat part are each provided with the downward atomizer in direction.
It is hose that the seawater pipeline, which is located at the part above the platform that is exposed to the sun between pipeline support,.
Safety valve is additionally provided on the constant-pressure tank, the input port of safety valve and the delivery outlet of constant-pressure tank are connected, formed permanent
Press the safety relief pipeline of tank.
The sensing system includes salinity sensor, liquid level sensor and pressure sensor, and wherein salinity sensor is set
It sets inside seawater pond, liquid level sensor setting is arranged on constant-pressure tank in seawater pond top, pressure sensor.
A kind of control method of seawater corrosion prevention coating corrosion resistance test device, comprising the following steps:
Step 1: control platform electrifying startup, carries out control system initialization operation, PLC control unit acquires salinity and passes
The data of sensor, liquid level sensor and pressure sensor acquire, and PLC control unit is by collected salinity sensor, liquid level
The data of sensor and pressure sensor are uploaded on touch screen by ethernet communication module, carry out real-time display；
Step 2: seawater atomizing pressure, atomization splash by touch screen to anticorrosive paint seawater corrosion resistance test device
Time, splash interval time and test cycle number carry out parameter setting；
Step 3: passing through the starting of touch screen control anticorrosive paint seawater corrosion resistance test device；
Step 4: PLC control unit receives after the parameters that touch screen is set, the pressure on constant-pressure tank is detected first
Then force value adjusts the power of sea water pump by adjusting frequency converter, and then adjust permanent
Pressure in pressure tank reaches the pressure value of setting；
Step 5: then, PLC control unit is according to atomization splash time, splash interval time and test cycle number
Test parameters setting value, pass through control solenoid valve and be switched on and off, realize the on-off control of atomization splash；
Step 6: during being atomized splash, the pressure change of PLC control unit real-time detection constant-pressure tank, and control sea
Water atomization applied voltage test parameter it is constant；
Step 7: seawater salinity, pressure change and atomization splash during recording seawater atomization applied voltage test simultaneously
At the beginning of and the end time；
Step 8: return step repeats above procedure if cycle-index does not reach the cycle-index of setting；It is set if reached
Fixed cycle-index summarizes test data and generates test summary sheet by touch screen by off-test.
The utility model has the advantages that
1, the high degree of automation of the present apparatus whole can carry out automation control, increase substantially the work effect of test
Rate；
2, the open area to border on the sea is set, the true air environment in offshore area and illumination ring can be directly utilized
Border, compared with the environment that sealing condition lower die is drawn up, test effect is more preferable；
3, using frequency converter and constant-pressure tank, the pressure of splash seawater can be adjusted flexibly, guarantee that seawater can be with stable
Pressure enters atomizer, to keep the stabilization of test parameters；
4, using the splash mode of atomization seawater, the influence that extra large water impact anticorrosive paint layer generates can be eliminated, thus
More accurate obtains corrosion resistance of the anticorrosive paint relative to seawater；
5, the angle of test platform can be adjusted, and can be directed to the light conditions of different time, be changed tilt angle,
To obtain better light environment, guarantee test effect；
6, the inclination angle of seawater pipeline and atomizer with the inclination for the platform that is exposed to the sun run-off the straight, distance when spraying seawater
The distance of platform of being exposed to the sun is stablized constant, compared with the motionless design of spray head, can reduce platform with traditional platform rotation
The case where closely causing water flow impact pressure to reinforce and have an impact to experimental result excessively apart from spray head；
7, the height of atomizer is also adjustable, for the testpieces of different area, is sprayed by splash pressure and atomization
The cooperation of grease head highness can simulate a variety of different experimental enviroments, widen the scope of application of device；
It 8, can be to every including Spitting intensity, single splash time, splash interval and splash number etc. during testing
Parameter is flexibly controlled, and can satisfy the requirement of a variety of different splash tests, additionally it is possible to improve experimental rig to test
The adaptability of environmental change.
Detailed description of the invention
Fig. 1 is general structure schematic diagram；
Fig. 2 is the hanger top view that is exposed to the sun；
Fig. 3 is the hanger side view that is exposed to the sun；
Fig. 4 is attachment structure schematic diagram；
Fig. 5 is control method flow chart.
Appended drawing reference: 1, be exposed to the sun hanger for outdoor, 2, seawater pond, 3, sea water pump, 4, constant-pressure tank, 5, safety valve, 6, water supplying pipe,
7, seawater inputs valve, 8, touch screen, 9, PLC control unit, 10, salinity sensor, 11, liquid level sensor, 12, pressure sensing
Device, 13, frequency converter, 14,24 volts of power modules, 15, support post, 16, be exposed to the sun platform, 17, mounting bracket, 18, pipeline support,
19, seawater pipeline, 20, atomizer, 21, fixed plate, 22, fixing axle, 23, sealing bearing, 24, positioning orifice plate, 25, electromagnetism
Valve, 26, fastening screw, 27, mounting seat, 28, supporting rib, 29, angle location hole, 30, lifting fixture nut, 31, installation set
Cylinder, 32, mounting rail, 33,380V power supply, 34,220V power supply.
Specific embodiment
Embodiments of the present invention are illustrated below according to attached drawing.
As shown in Figure 1 to Figure 3, a kind of seawater corrosion prevention coating corrosion resistance test device, including test platform and control platform,
The test platform is exposed to the sun hanger 1 by several outdoors and seawater supply system forms, and wherein the outdoor hanger 1 that is exposed to the sun includes two
Support post 15 is rotatably connected to the platform 16 that is exposed to the sun being rectangle between the top of two support posts, is provided in junction
Semicircular positioning orifice plate 24, straight flange are fixedly connected with the platform 16 that is exposed to the sun, if offering on positioning orifice plate 24 in arc-shaped
Dry angle location hole 29, support post 15 is connected by fastening screw 26 with angle location hole 29, by positioning orifice plate 24
Cooperation with support post 15 make to be exposed to the sun platform 16 inclination angle range at 0-90 °；It is additionally provided with one being exposed to the sun on platform 16 and rises
Falling unit, seawater pipeline 19 is provided on lifting device, and the outflow end of seawater pipeline 19 is provided with several towards the platform that is exposed to the sun
16 atomizer 20；Several are also movably set on platform 16 for placing the fixed plate 21 of testpieces being exposed to the sun；
The seawater supply system includes the seawater pond 2 being sequentially communicated, sea water pump 3, constant-pressure tank 4 and water supplying pipe 6, wherein sea
Pond 2 inputs valve 7 by seawater and is directly connected to sea, and the frequency conversion of adjustment 2 power of sea water pump is additionally provided on sea water pump 2
The outflow end of device 13, water supplying pipe 6 is connected by solenoid valve 25 with the inflow end of seawater pipeline 19；
The control platform is made of touch screen 8 and the PLC control unit 9 being attached thereto, and wherein PLC control unit 9 is gone back
It is connected respectively with frequency converter 13 and sensing system.
The lifting device is made of two mounting brackets 17 and the pipeline support 18 being arranged in mounting bracket 17.
A channel in the width direction is offered in the middle part of 16 length direction of platform that is exposed to the sun, is provided in channel solid
The both ends of dead axle 22, fixing axle 22 are connect with support post 15, are respectively arranged in fixing axle 22 and the junction of support post 15
One sealing bearing 23.
The setting along its length of being exposed to the sun on platform 16 is respectively offered on two mounting rails 32 there are two mounting rail 32
The both ends of several mounting holes, fixed plate 21 are separately fixed in mounting hole.Preferably, the mounting hole one on two mounting rails 32
One is corresponding, and the line between two corresponding mounting holes is parallel with the short side of platform 16 that is exposed to the sun；It is also opened in fixed plate 21
Equipped with several mounting holes；It is bolt between testpieces and fixed plate 21 to be bolted between fixed plate 21 and mounting rail 32
Connection.
The support post 15 is arranged in mounting seat 27, also sets between the lower part and mounting seat 27 of support post 15
It is equipped with supporting rib 28.
The mounting bracket 17 is trapezoidal, and installation sleeve 31, pipeline support are provided in the middle part of the top margin of mounting bracket 17
18 lower end is arranged in installation sleeve 31, and is locked by lifting fixture nut 30.
There are three being in T-shaped spray tube, vertical portion and seawater pipeline 19 connect for setting on the seawater pipeline 19
Logical, the both ends of horizontal component are each provided with the downward atomizer in direction 20.
It is hose that the seawater pipeline 19, which is located at the part being exposed to the sun between 16 top of platform and pipeline support 18,.
Safety valve 5 is additionally provided on the constant-pressure tank 4, the input port of safety valve 5 is connect with the delivery outlet of constant-pressure tank 4, shape
At the safety relief pipeline of constant-pressure tank 4.
The sensing system includes salinity sensor 10, liquid level sensor 11 and pressure sensor 12, and wherein salinity passes
Sensor 10 is arranged inside seawater pond 2, and the setting of liquid level sensor 11 is arranged in 2 top of seawater pond, pressure sensor 12 in constant pressure
On tank 4.
A kind of control method of seawater corrosion prevention coating corrosion resistance test device, comprising the following steps:
Step 1: control platform electrifying startup, carries out control system initialization operation, PLC control unit 9 acquires salinity and passes
The data of sensor 10, liquid level sensor 11 and pressure sensor 12 acquire, and PLC control unit 9 senses collected salinity
The data of device 10, liquid level sensor 11 and pressure sensor 12 are uploaded on touch screen 8 by ethernet communication module, into
Row real-time display；
Step 2: seawater atomizing pressure, atomization splash by touch screen 8 to anticorrosive paint seawater corrosion resistance test device
Time, splash interval time and test cycle number carry out parameter setting；
Step 3: controlling the starting of anticorrosive paint seawater corrosion resistance test device by touch screen 8；
Step 4: PLC control unit 9 receives after the parameters that touch screen 8 is set, first on detection constant-pressure tank 4
Pressure value, the power of sea water pump 3 is then adjusted by adjusting frequency converter 13, and then the pressure adjusted in constant-pressure tank 4 reaches
The pressure value of setting；
Step 5: then, PLC control unit 9 is according to atomization splash time, splash interval time and test cycle time
Several test parameters setting values realizes the on-off control of atomization splash by being switched on and off for control solenoid valve 25；
Step 6: during being atomized splash, the pressure change of 9 real-time detection constant-pressure tank 4 of PLC control unit, and control
Seawater is atomized the constant of applied voltage test parameter；
Step 7: seawater salinity, pressure change and atomization splash during recording seawater atomization applied voltage test simultaneously
At the beginning of and the end time；
Step 8: return step repeats above procedure if cycle-index does not reach the cycle-index of setting；It is set if reached
Fixed cycle-index summarizes test data and generates test summary sheet by touch screen 8 by off-test.
As shown in figure 4, the specific connection structure of the control platform is as follows.
Power input L1, N1 of PLC control unit 9 are connect with output end L1, N1 of 220V power supply 34 respectively；PLC control
The power end L+ of unit 9 processed is connect with the port+24V of 24 volts of power modules 14；The ground terminal M of PLC control unit 9 and 24 volts of electricity
The port -24V of source module 14 connects；
4-20mA signal output end A1, the B1 for being mounted on the salinity sensor 10 inside seawater pond 2 control list with PLC respectively
4-20mA signal input part A1, B1 connection of the Analog input mModule of member 9；It is mounted on the liquid level sensor on 2 top of seawater pond
4-20mA signal output end A2, B2 respectively with the 4-20mA signal input part of the Analog input mModule of PLC control unit 9
A2, B2 connection；4-20mA signal output end A3, the B3 for being mounted on the pressure sensor 12 on constant-pressure tank 5 control list with PLC respectively
4-20mA signal input part A3, B3 connection of the Analog input mModule of member 9.
4-20mA signal output end A4, B4 of frequency converter 13 4- with the Analog input mModule of PLC control unit 9 respectively
20mA signal input part A4, B4 connection；4-20mA signal input part AO1, BO1 of frequency converter 13 respectively with PLC control unit 9
4-20mA signal output end AO1, BO1 of analog output module are connected.
The input terminal I0.1 of the I/O module of the fault-signal output end I0.1 and PLC control unit 9 of frequency converter 13 is connect,
Failure+24V the input terminal of frequency converter 13 is connect with+24V the output end of 24 volts of power modules 14；The run signal of frequency converter 13 is defeated
Outlet I0.3 is connect with the input terminal I0.3 of the I/O module of PLC control unit 9, the operation+24V input terminal of frequency converter 13 and 24
Lie prostrate+24V output end the connection of power module 14；The control signal ST1 of frequency converter 13 and the I/O output end of PLC control unit 9
ST1 connection；The ground terminal GND of frequency converter 13 is connect with -24V the output end of 24 volts of power modules 14.
Control signal Q0.1, Q0.2 of N number of solenoid valve 25 ..., Q0.NN≤20 I/O with PLC control unit 9 respectively
Output end Q0.1, Q0.2 ..., Q0.N(N≤20) connection；Power end+the 24V of N number of solenoid valve 25 and 24 volts of power modules 14+
The connection of 24V output end；
380V input terminal L1, L2, L3 of frequency converter 13 are connect with input terminal L1, L2, L3 of 380V power supply 33 respectively；Frequency conversion
380V output end U, V, W of device 13 are connect with power end U, V, W of sea water pump 3 respectively；The ground line PE and 380V of frequency converter 13
The ground line PE connection of power supply 33；The ground line PE1 of frequency converter 13 is connect with the ground line PE1 of sea water pump 3.
As the capital equipment of human-computer interaction, the Ethernet interface of touch screen 8 and the ethernet module of PLC control unit 9
Communication interface connection, realize the number between PLC control unit 9 and the monitoring interface of 8 simulated seawater splash experimental rig of touch screen
According to the control of real-time display and simulated seawater splash experimental rig working condition.
As in the PLC control unit 9 of control core, be built-in with sensor data acquisition program, PID frequency conversion pressure adjust
Program, starting/stopping control program and human-computer interaction program.
As shown in figure 5, specific operation process of the invention is as follows.
Firstly, adjusting position of the fixed plate 21 on mounting rail 32, and testpieces is fixed on according to the size of testpieces
In fixed plate 21；Further according to required testpieces tilt angle is tested, the tilt angle of adjustment positioning orifice plate 24, selection is properly
Angle location hole 29, after by the platform 16 that is exposed to the sun be placed on two positioning orifice plate 24 straight flange on, complete the fixation of tilt angle；
Then the height of adjustable pipeline support 18, allows shower water to cover all testpieces.
Next experimental rig electrifying startup carries out the initialization of PLC control platform.PLC control unit 9 executes sensor
Data acquisition program realizes the data acquisition of salinity sensor 10, liquid level sensor 11 and pressure sensor 12 respectively, and will
Obtained data pass to touch screen 8, show each section data to carry out man-machine interactive operation.Then pass through touch screen 8
Splash pressure, splash time, splash interval time and splash number are set, system initialization is completed.
Frequency converter 13 is adjusted the power of sea water pump 3 under the control of PLC control unit 9 later, to guarantee constant pressure
The pressure for the seawater that tank 4 transfers out matches with the splash pressure of setting, and keeps stable.Then opens solenoid valve 25, seawater
Seawater in pond 2, by constant-pressure tank 4, is flowed out under the action of sea water pump 3 with stable flow velocity, is entered by water supplying pipe 6 outdoor
Be exposed to the sun hanger 1.It is exposed to the sun on hanger 1 in outdoor, seawater flows through seawater pipeline 19, goes out from 20 splash of atomizer.
Finally, testpieces under the spray of seawater, carries out the test of the performances such as corrosion resistance.If the single splash time is not
Setting value can be reached, then keep the frequency control carried out to sea water pump 3, keep the pressure in constant-pressure tank 4 constant, continue to try
It tests；Reach setting value when the single splash time, then closes solenoid valve 25, test pause, into splash interval time.If between splash
It is not up to setting value every the time, then keeps the frequency control carried out to sea water pump 3, keeps the pressure in constant-pressure tank 4 constant, work as splash
After interval time reaches setting value, test continues, and whether detection splash number reaches setting value.If splash number is not up to set
Value, then repeat single splash, until splash number reaches setting value, is stopped test by touch screen 8.
Claims (10)
1. a kind of seawater corrosion prevention coating corrosion resistance test device, including test platform and control platform, it is characterised in that:
The test platform is exposed to the sun hanger (1) by several outdoors and seawater supply system forms, and wherein hanger (1) is exposed to the sun in outdoor
Including two support posts (15), the platform that is exposed to the sun (16) being rectangle is rotatably connected between the top of two support posts,
Junction is provided with semicircular positioning orifice plate (24), and straight flange is fixedly connected with the platform that is exposed to the sun (16), in positioning orifice plate (24)
Upper to offer several angle location holes (29) in arc-shaped, support post (15) passes through fastening screw (26) and angle location hole
(29) be connected, by positioning orifice plate (24) and the cooperation of support post (15) make to be exposed to the sun platform (16) inclination angle range in 0-
90°；It is additionally provided with a lifting device on the platform that is exposed to the sun (16), seawater pipeline (19), seawater pipe are provided on lifting device
The outflow end in road (19) is provided with several towards the atomizer (20) for platform (16) of being exposed to the sun；It is also living on the platform that is exposed to the sun (16)
It is dynamic to be provided with several for placing the fixed plate (21) of testpieces；
The seawater supply system includes the seawater pond (2) being sequentially communicated, sea water pump (3), constant-pressure tank (4) and water supplying pipe (6),
Middle seawater pond (2) is directly connected to by seawater input valve (7) with sea, is additionally provided with adjustment sea water pump on sea water pump (2)
(2) outflow end of the frequency converter (13) of power, water supplying pipe (6) is connected by solenoid valve (25) with the inflow end of seawater pipeline (19)
It connects；
The control platform is made of touch screen (8) and the PLC control unit (9) being attached thereto, wherein PLC control unit (9)
Also it is connected respectively with frequency converter (13) and sensing system.
2. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the lifting device
It is made of two mounting brackets (17) and the pipeline support (18) being arranged on mounting bracket (17).
3. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the platform that is exposed to the sun
(16) there are two mounting rail (32) for setting along its length on, respectively offer several mounting holes on two mounting rails (32),
The both ends of fixed plate (21) are separately fixed in mounting hole.
4. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the support post
(15) it is arranged on mounting seat (27), is additionally provided with supporting rib between the lower part and mounting seat (27) of support post (15)
(28).
5. a kind of seawater corrosion prevention coating corrosion resistance test device as claimed in claim 2, it is characterised in that: the mounting bracket
(17) trapezoidal, it is provided with installation sleeve (31) in the middle part of the top margin of mounting bracket (17), the lower end setting of pipeline support (18)
In installation sleeve (31), and pass through lifting fixture nut (30) locking.
6. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the seawater pipeline
(19) setting is there are three in T-shaped spray tube on, and vertical portion is connected to seawater pipeline (19), the both ends of horizontal component
It is each provided with the downward atomizer in direction (20).
7. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the seawater pipeline
(19) being located at the part above the platform (16) that is exposed to the sun between pipeline support (18) is hose.
8. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the constant-pressure tank
(4) it is additionally provided on safety valve (5), the input port of safety valve (5) is connect with the delivery outlet of constant-pressure tank (4), is formed constant-pressure tank (4)
Safety relief pipeline.
9. a kind of seawater corrosion prevention coating corrosion resistance test device as described in claim 1, it is characterised in that: the sensor system
System includes salinity sensor (10), liquid level sensor (11) and pressure sensor (12), and wherein salinity sensor (10) setting exists
Seawater pond (2) is internal, and liquid level sensor (11) setting is arranged in seawater pond (2) top, pressure sensor (12) in constant-pressure tank (4)
On.
10. a kind of control method of seawater corrosion prevention coating corrosion resistance test device, it is characterised in that: the following steps are included:
Step 1: control platform electrifying startup, carries out control system initialization operation, PLC control unit (9) acquires salinity sensing
The data of device (10), liquid level sensor (11) and pressure sensor (12), PLC control unit (9) pass collected salinity
The data of sensor (10), liquid level sensor (11) and pressure sensor (12) upload to touch by ethernet communication module
Shield on (8), carries out real-time display；
Step 2: when passing through seawater atomizing pressure, the atomization splash of touch screen (8) to anticorrosive paint seawater corrosion resistance test device
Between, splash interval time and test cycle number carry out parameter setting；
Step 3: controlling the starting of anticorrosive paint seawater corrosion resistance test device by touch screen (8)；
Step 4: after PLC control unit (9) receives the parameters from touch screen (8) setting, detection constant-pressure tank (4) first
On pressure value, the power of sea water pump (3) is then adjusted by adjusting frequency converter (13), and then adjust in constant-pressure tank (4)
Pressure reaches the pressure value of setting；
Step 5: then, PLC control unit (9) is according to atomization splash time, splash interval time and test cycle number
Test parameters setting value, pass through control solenoid valve (25) and be switched on and off, realize the on-off control of atomization splash；
Step 6: during being atomized splash, the pressure change of PLC control unit (9) real-time detection constant-pressure tank (4), and control
Seawater is atomized the constant of applied voltage test parameter；
Step 7: recording opening for the seawater salinity during seawater is atomized applied voltage test, pressure change and atomization splash simultaneously
Begin time and end time；
Step 8: return step five repeats above procedure if cycle-index does not reach the cycle-index of setting；If reaching setting
Cycle-index summarize test data by touch screen (8) by off-test and generate test summary sheet.
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| CN201610977632.2A CN106501164B (en) | 2016-11-08 | 2016-11-08 | A kind of seawater corrosion prevention coating corrosion resistance test device and its control method |
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| CN112461497B (en) * | 2020-11-05 | 2023-02-10 | 中国特种飞行器研究所 | Device, system and method for measuring splashing of towing tank model of seaplane |
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| US5824918A (en) * | 1997-02-14 | 1998-10-20 | The Singleton Corporation | Relative humidity control system for corrosion test chamber |
| US5898816A (en) * | 1995-07-20 | 1999-04-27 | Xenotest Gesellschaft fur die Herstellung von Materialprufgeraten mbH | Method for treating material samples and apparatus for testing exposure to light and weathering |
| JP2005037272A (en) * | 2003-07-16 | 2005-02-10 | Daipura Uintesu Kk | Method and machine for testing sealing material |
| CN103364330A (en) * | 2013-06-21 | 2013-10-23 | 沈阳建筑大学 | Accelerated corrosion test device capable of simulating marine atmospheric environment |
| CN104833627A (en) * | 2015-04-27 | 2015-08-12 | 洛阳理工学院 | Seawater corrosion testing device |
| CN105928865A (en) * | 2016-07-06 | 2016-09-07 | 广东海洋大学 | Atmosphere corrosion acceleration test method |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5898816A (en) * | 1995-07-20 | 1999-04-27 | Xenotest Gesellschaft fur die Herstellung von Materialprufgeraten mbH | Method for treating material samples and apparatus for testing exposure to light and weathering |
| US5824918A (en) * | 1997-02-14 | 1998-10-20 | The Singleton Corporation | Relative humidity control system for corrosion test chamber |
| JP2005037272A (en) * | 2003-07-16 | 2005-02-10 | Daipura Uintesu Kk | Method and machine for testing sealing material |
| CN103364330A (en) * | 2013-06-21 | 2013-10-23 | 沈阳建筑大学 | Accelerated corrosion test device capable of simulating marine atmospheric environment |
| CN104833627A (en) * | 2015-04-27 | 2015-08-12 | 洛阳理工学院 | Seawater corrosion testing device |
| CN105928865A (en) * | 2016-07-06 | 2016-09-07 | 广东海洋大学 | Atmosphere corrosion acceleration test method |
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