CN101620061A - Device for realizing temperature and humidity control in corrosion fatigue process - Google Patents
Device for realizing temperature and humidity control in corrosion fatigue process Download PDFInfo
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- CN101620061A CN101620061A CN200810146899A CN200810146899A CN101620061A CN 101620061 A CN101620061 A CN 101620061A CN 200810146899 A CN200810146899 A CN 200810146899A CN 200810146899 A CN200810146899 A CN 200810146899A CN 101620061 A CN101620061 A CN 101620061A
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- switch
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- corrosion fatigue
- corrosion
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- 238000005260 corrosion Methods 0.000 title claims abstract description 64
- 230000007797 corrosion Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000010792 warming Methods 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 9
- 229910000870 Weathering steel Inorganic materials 0.000 description 7
- 230000000737 periodic effect Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910003172 MnCu Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001453 impedance spectrum Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The invention relates to the corrosion fatigue field in atmosphere, in particular to a device for realizing temperature and humidity control in corrosion fatigue process; the invention can be used alone for controlling temperature and humidity in the environment of a corrosion sample in corrosion test process, and the device control part can be applicable to other fields, thus realizing control over other parameter requirements. The kernel part of the device is a control cabinet which is formed by assembling a relay consisting of a switch relay and a time relay as well as an electrical group switch, a manual/automatic control switch, a power switch and an output socket. The switch relay realizes the automatic switch control of external equipment, and the time relay realizes the work/turn off time control of the external equipment simultaneously. The automatic switch transmission can realize the sequentially circulating work of the external equipment, while the manual switch transmission can realize the simultaneous work of the external equipment. The invention can select required humidifying and warming equipment by the functions, and realizes temperature and humidity control in a corrosion fatigue box by adjusting the working/turn off time of the equipment.
Description
Technical field
The present invention relates to corrosion fatigue field in the atmosphere, be specially a kind of temperature and humidity control equipment of in corrosion fatigue process, realizing, can be used for the corrosion experiment process separately to corrosion sample environment temperature and humidity control of living in, the device control part can be used for other field, realizes other parameter requests of control.
Background technology
At present, the corrosion fatigue technology mainly is to realize in the liquid medium environment, by sample corrosion section is sealed in the intact corrosion fatigue box of size appropriate seal, chest leaves medium circulation and imports and exports, sample is fixed on drawing machine or the fatigue machine again, when realizing fatigue or stretching, utilize circulating of medium to realize that the sample corrosion location is near stationary temperature and constant concentration of medium, realizes experiment purpose.
In various atmosphere corrosion phenomenon takes place for hardware, except adopting the method for hanging film scene, Chinese scholars also adopts the method for laboratory accelerated corrosion to evaluate, this method generally is not carry out under constant temperature and humidity is not subjected to the experiment condition of any stress, can simulate at short notice to obtain the corrosive nature of hardware in military service atmospheric environment in the future.When will in atmosphere, carrying out corrosion fatigue experiment, and when requiring sample corrosion section to be in certain humidity, temperature range, also there is not good method to realize at present.
The performance that has hardware under load and the atmospheric corrosion while environment for evaluation, many Chinese scholars adopt the compound atmosphere of various atmospheric corrosion environment such as simulating rural area weather, industrial climate, coastal climate earlier under the load-less condition of laboratory or different weathers, test button is carried out accelerated corrosion, or carry out atmospheric exposure earlier, and then sample carried out fatigue or stretching experiment, the mechanical property after the evaluation metal erosion.Though this method can obtain some results, can only mechanics that should act on simultaneously and chemistry (comprising galvanochemistry) process separately successively be finished by the experiment condition restriction, its result is inevitable to be had than big difference with actual conditions.
Summary of the invention
The object of the present invention is to provide a kind of wet equipment of temperature automatically controlled control of in corrosion fatigue process, realizing, make that the experiment of the corrosion fatigue in various different corrosive environments becomes possibility when the laboratory simulation hardware loads, and in certain temperature, humidity environment, carry out, to carrying out the corrosion fatigue research of material in the various weathers, load corrosion research, improve the military service security of China's material members, reliability and economy are significant.
Technical scheme of the present invention is as follows:
A kind of temperature and humidity control equipment of in corrosion fatigue process, realizing, this device core partly is a switch board, the switch relay and the time relay are installed on the switch board, the time relay is identical with the switch relay number, the work and the shut-in time of time relay gauge tap relay, and the time is adjustable, and promptly a switch relay and a time relay are one group, be referred to as the relay group, the switch relay external auxiliary equipment.The startup of switch relay control external auxiliary equipment/close, the working time and the shut-in time of time relay control external equipment; Every group relay is joined a relay group switch again, can select to open required relay group arbitrarily, and the switch board power supply is controlled by the switch board power switch.
The described temperature and humidity control equipment of realizing in corrosion fatigue process is equipped with 3 above switch relays and 3 above time relays on the switch board.
The described temperature and humidity control equipment of realizing in corrosion fatigue process, each switch relay links to each other with an external socket, by external socket power supply control being realized the work/closing control to external equipment.
The described temperature and humidity control equipment of realizing in corrosion fatigue process, external socket is installed in the switch board the inside, perhaps is installed in the switch board outside.
The described temperature and humidity control equipment of realizing in corrosion fatigue process is connected to auxiliary device respectively: air compressor, atomizer or heating arrangement on the external socket.
The described temperature and humidity control equipment of in corrosion fatigue process, realizing, the relay group of control atomizer is opened, and atomizer is made water smoke; Control the relay group of air compressor afterwards and open, air compressor work, the mist that atomizer is generated is blown in the corrosion case, realizes that humidity is kept stable in the corrosion case; Equally, the relay group of control heating arrangement is opened, and heating arrangement is started working, and realizes that corrosion the temperature inside the box keeps constant.
The described temperature and humidity control equipment of in corrosion fatigue process, realizing, manual gauge tap is set on the switch board, the work of the selection shelves pilot relay group of manual gauge tap, select manual, control atomizer, air compressor and heating arrangement the relay group work simultaneously; Select automatic transmission, the relay group periodic duty successively of control atomizer, air compressor and heating arrangement.
The invention has the beneficial effects as follows:
1, the core component of present device is a switch board, the relay group that switch board is made up of the switch relay and the time relay, and relay group switch, manual gauge tap, power switch and accessory power outlet installation form.Switch relay is realized automatic switch control of external equipment, and the time relay is realized the time control of external equipment work/close simultaneously.The automatic switch shelves can be realized the periodic duty successively of external equipment, and the hand switch shelves can realize that external equipment works simultaneously.Can select required humidification and intensification equipment by these functions, realize temperature and humidity control in the corrosion fatigue box by work/shut-in time of regulating and control these equipment.
2, the present invention is easy to operate, and is simple.Auxiliary device is not fixed on the switch board, easy assembly and disassembly.This switch board can link to each other with any equipment, is used for other purposes, satisfies required.The number of relay group does not limit on the switch board, can increase relay group number as required.
3, the present invention can select automatically and manually as required.When selecting automatic transmission, the relay group is worked successively, also periodic duty successively of auxiliary device like this; Select when manual, the relay group is worked simultaneously.If do not need one of them or several auxiliary device work, relay group switch that can it is corresponding cuts out, and promptly reaches purpose, does not influence the automatic or manual function.
Description of drawings
Fig. 1. the switch board synoptic diagram.
Fig. 2. corrosion fatigue work synoptic diagram.
Fig. 3. the switch board circuit diagram.
Fig. 4. weathering steel corrosion fatigue polarization curve.
Fig. 5. weathering steel corrosion fatigue impedance spectrum.
Fig. 6. weathering steel corrosion fatigue rusty scale cross section scanned photograph (sample bottom).
Fig. 7. weathering steel corrosion fatigue rusty scale cross section scanned photograph (sample middle part).
Among the figure, 1 switch relay; 2 time relays; 3 relay group switches; 4 cabinets lock; 5 manual gauge tap; 6 power switches; 7 switch board output end power line perforates; 8 external powers pass through the hole; 9 switch board casings; 10 (external) socket; 11 corrosion fatigue box; 12 atomizers; 13 air compressor; 14 heating arrangements (blowing hot wind or thermopair); 15 loading systems; 16 fatigue machine control system; 17 samples; 18 switch boards.
Embodiment
The assembling of embodiment 1 switch board
The present invention realizes temperature and humidity control equipment in corrosion fatigue process, make a switch board (Fig. 1), and 3 switch relays 1 are installed in the switch board, and they are controlled the startup of magnetic control air compressor 13, atomizer 12 and heating arrangement 14 respectively and close; Also be provided with 3 time relays 2, they control the working time of 3 switch relays 1 respectively, thereby realize the working time and the shut-in time of control magnetic control air compressor 13, atomizer 12 and heating arrangement 14.Form the relay group by the switch relay 1 and the time relay 2.Switch board has automatically and manual function, the work (power supply) of manual gauge tap pilot relay group, when selection is automatic, manual gauge tap supplies outage to the relay group successively, realizes the successive cycle work and the work certain hour of magnetic control air compressor 13, atomizer 12 and heating arrangement 14; When selecting manual function, simultaneously for outage, magnetic control air compressor 13, atomizer 12 and heating arrangement 14 can work alone or work simultaneously manual gauge tap, or work in twos to the relay group.Relay group switch 3, cabinet lock 4, manual gauge tap 5, power switch 6 are set on switch board casing 9, and lacquered board is made switch board casing 9.
Like this, according to the temperature in the corrosion fatigue box, humidity value, can control the working time of magnetic control air compressor 13, atomizer 12 and heating arrangement 14, water smoke that produces in the time of can working auxiliary device by silicone tube again and thermal current are introduced in the corrosion fatigue box, realize that the temperature humidity in the corrosion fatigue process is controlled.Switch relay 1 has socket 10 external in the switch board, can draw insert row, can increase minimizing equipment as required on insert row, can realize controlling the work of a plurality of equipment so again.
Embodiment 2 economical MnCu weathering steel (application numbers: 200510045624.6; Publication number: corrosion fatigue CN1800428A)
1, as shown in Figure 2, switch board 18 is connected magnetic control air compressor 13, atomizer 12, heating arrangement 14 (blowing hot wind or thermopair) respectively by three sockets.
2, as shown in Figure 2, fatigue machine control system 16 applies cyclic loading by the sample 17 in 15 pairs of corrosion fatigue box of loading system 11.Simultaneously, external power is by the 8 pairs of switch board power supplies in hole; Be subjected to the output current of relay group control to supply with auxiliary device by the lead that passes switch board output end power line perforate 7.
3, as shown in Figure 3, power turn-on switch 6 (K1), input signal arrives the relay group through manual gauge tap 5 controls; The relay group of closing switch 3 (K2, K3 or K4) relay group is started working, and outputs signal to magnetic control air compressor 13, atomizer 12 and heating arrangement 14 simultaneously, and the AC power conducting is started working.When manual gauge tap 5 selections were manual, input signal was given magnetic control air compressor 13, atomizer 12 and heating arrangement 14 output signal conducting AC power simultaneously by three relay groups, and equipment is worked simultaneously; When manual gauge tap 5 selections were automatic, by three relay groups and successively to magnetic control air compressor 13, atomizer 12 and heating arrangement 14 output signal conducting AC power, equipment is periodic duty successively successively for input signal.Among the present invention, can be by the control of switch board sequential circuit, air compressor 13, atomizer 12 and heating arrangement 14 circulate successively or work simultaneously.
4, at first, first group relay is started working, and control atomizer 12 is operated in and produces water smoke in the wide-necked bottle; Afterwards, the second group relay work, 13 work of control magnetic control air compressor, the generation air communication is crossed silicone tube the water smoke in the wide-necked bottle is blown in the corrosion fatigue box 11, regulates the humidity of sample environment; The 3rd group relay control heating arrangement 14 (blowing hot wind or thermopair) work imports hot blast in the corrosion fatigue box 11 by silicone tube, regulates the temperature inside the box.
5, utilize the temperature and humidity control device control corrosion fatigue box 11 interior temperature of preparation to be room temperature (25-30 ℃), during relative humidity 70-80%, load maximum stress σ
Max=250MPa, stress ratio R=0.05, frequency F=1Hz circulates 1819875 times, and synchronously in the simulation coastal climate through after the 60 cycle alternations of wetting and drying corrosion, record MnCu weathering steel corrosion fatigue polarization curve (Fig. 4), impedance spectrum (Fig. 5).
6, Fig. 4, Fig. 5 result show, utilize the temperature and humidity control equipment of preparation to carry out the corrosion fatigue experiment of steel, test gained line smoothing, and the result is stable.
7, Fig. 6, Fig. 7 result show, utilize the temperature and humidity control equipment of preparation to carry out the corrosion fatigue experiment of steel, test rusty scale cross section scanned photograph can well show the influence of stress to the sample rusty scale, rusty scale rusty scale outside the effect lower part of power separates with interior rusty scale, and rusty scale plays an important role to the corrosion resistivity of weathering steel in this moment.
Claims (7)
1, a kind of temperature and humidity control equipment of in corrosion fatigue process, realizing, it is characterized in that: this device core partly is switch board, the switch relay and the time relay are installed on the switch board, the time relay is identical with the switch relay number, a switch relay and a time relay constitute relay group, switch relay external auxiliary equipment.
2, according to the described temperature and humidity control equipment of in corrosion fatigue process, realizing of claim 1, it is characterized in that: 3 above switch relays and 3 above time relays are installed on the switch board.
3, according to the described temperature and humidity control equipment of realizing in corrosion fatigue process of claim 1, it is characterized in that: each switch relay links to each other with an external socket.
4, according to the described temperature and humidity control equipment of realizing in corrosion fatigue process of claim 3, it is characterized in that: external socket is installed in the switch board the inside, perhaps is installed in the switch board outside.
5, according to the described temperature and humidity control equipment of in corrosion fatigue process, realizing of claim 3, it is characterized in that: be connected to auxiliary device on the external socket respectively: air compressor, atomizer or heating arrangement.
6, according to the described temperature and humidity control equipment of in corrosion fatigue process, realizing of claim 1, it is characterized in that: manual gauge tap is set on the switch board.
7, according to the described temperature and humidity control equipment of realizing in corrosion fatigue process of claim 6, it is characterized in that: manual gauge tap links to each other with the relay group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810146899A CN101620061A (en) | 2008-07-02 | 2008-08-28 | Device for realizing temperature and humidity control in corrosion fatigue process |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012118 | 2008-07-02 | ||
| CN200810012118.0 | 2008-07-02 | ||
| CN200810146899A CN101620061A (en) | 2008-07-02 | 2008-08-28 | Device for realizing temperature and humidity control in corrosion fatigue process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101620061A true CN101620061A (en) | 2010-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810146899A Pending CN101620061A (en) | 2008-07-02 | 2008-08-28 | Device for realizing temperature and humidity control in corrosion fatigue process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101620061A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2469343C1 (en) * | 2011-04-29 | 2012-12-10 | Владимир Геннадьевич Юдин | Stand for adjusting and monitoring parameters of relay for signalling, centralising and blocking railway lines |
| CN103175774A (en) * | 2013-02-28 | 2013-06-26 | 中国船舶重工集团公司第七二五研究所 | Corrosion test device for simulating environment alternation |
| RU170345U1 (en) * | 2016-08-31 | 2017-04-21 | Общество с ограниченной ответственностью "Патентное бюро" (ООО "Патентное бюро") | DEVICE FOR MEASURING ELECTRIC RESISTANCE OF GRAPHITE CONTACTS |
| CN109470737A (en) * | 2018-11-01 | 2019-03-15 | 陈风林 | A kind of antifreeze tape lifetime test device of solar water heater and method |
-
2008
- 2008-08-28 CN CN200810146899A patent/CN101620061A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2469343C1 (en) * | 2011-04-29 | 2012-12-10 | Владимир Геннадьевич Юдин | Stand for adjusting and monitoring parameters of relay for signalling, centralising and blocking railway lines |
| CN103175774A (en) * | 2013-02-28 | 2013-06-26 | 中国船舶重工集团公司第七二五研究所 | Corrosion test device for simulating environment alternation |
| RU170345U1 (en) * | 2016-08-31 | 2017-04-21 | Общество с ограниченной ответственностью "Патентное бюро" (ООО "Патентное бюро") | DEVICE FOR MEASURING ELECTRIC RESISTANCE OF GRAPHITE CONTACTS |
| CN109470737A (en) * | 2018-11-01 | 2019-03-15 | 陈风林 | A kind of antifreeze tape lifetime test device of solar water heater and method |
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Open date: 20100106 |