CN101672765A - Testing box for accelerated environment - Google Patents
Testing box for accelerated environment Download PDFInfo
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- CN101672765A CN101672765A CN200910104641A CN200910104641A CN101672765A CN 101672765 A CN101672765 A CN 101672765A CN 200910104641 A CN200910104641 A CN 200910104641A CN 200910104641 A CN200910104641 A CN 200910104641A CN 101672765 A CN101672765 A CN 101672765A
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- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 239000007921 spray Substances 0.000 claims description 42
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention discloses a testing box for an accelerated environment, which comprises a box body (1) and a cover plate (2) hinged on the box body; and the box body (1) is internally provided with a movable spraying system. In the invention, the spraying is not affected any more by wind and rain in the external environment, the problems of non-uniform spraying, under-spraying and over-spraying andinfluence on ambient environment are solved, and the detection data is more uniform and reliable.
Description
Technical field
The present invention relates to a kind of test unit that is used for atmospheric corrosion or antiseptic property measurement, relate in particular to a kind of testing box for accelerated environment.
Background technology
When carrying out Natural Environmental Test, often adopt the test unit of a kind of open type, periodicity spray at present.Sample is placed on the below of spray head, adopts the spray of time relay control carrying out timing, open type.Under wind action, spray solution usually departs from sample area, causes sample segment not spray and goes up or non-uniform spraying, and then influence the effect of accelerated corrosion test and test evaluation result's correctness, simultaneously experimental enviroment is on every side produced harmful effect.Adopt time relay control regularly to spray and cause other two kinds of adverse consequencess again: the first forms thick moisture film at sample surfaces, and metal atmospheric corrosion rate maximal value appears at the thin liquid film district, has so just reduced the effect of accelerated corrosion; It two is no matter fine or overcast and rainyly all adopt regular time to spray at interval, causes spray or owes spray, has equally also reduced the effect of accelerated corrosion test.Under temperature was lower than 0 ℃ condition, spray liquid froze blocking pipe and can't spray, and has limited its suitable territorial scope in addition.This shows that there are many defectives in existing cycle spray natural acceleration test method.
Summary of the invention
The purpose of this invention is to provide a kind of closed, testing box for accelerated environment of possessing spraying function.
In order to realize above purpose, the present invention adopts following technical scheme: a kind of testing box for accelerated environment is characterized in that: it comprises casing and is hinged on cover plate on the casing, also is provided with mobile spraying system in the described casing.
In order further to introduce the illumination factor, described cover plate is a transparent cover plate;
Described mobile spraying system comprises:
Spraying plant is used for the sample in the chamber is sprayed, and comprises that liquid storage irritates, has the injection spray pipe of the water pump of water inlet pipe and rising pipe, band shower nozzle, and wherein water inlet pipe links to each other with the liquid storage filling, and rising pipe links to each other with injection spray pipe;
Mobile device, be used in casing, moving for injection spray pipe, comprise two driving gears that chamber one end is oppositely arranged, that link to each other by cross coupler, the other end is oppositely arranged, by two continuous follower gears of cross coupler, described driving gear and follower gear all are fixed on the sidewall of chamber by ring flange, link to each other by chain between the driving gear of homonymy and the follower gear; Described driving gear is driven by Electric Machine Control; The two ends of described injection spray pipe are separately fixed on the chain of both sides, and described injection spray pipe and chain are perpendicular;
Move the spraying control system, be used to control spraying plant, control system reads the real time data that is arranged on the sample surfaces Wetness sensors in the casing, and the control mobile device moves when moistening degree is lower than setting value, and use spraying plant to spray, when reaching setting value, then stop spraying.
In order to make casing and air outside exchange, a sidewall of casing is provided with air intake opening, and another sidewall is provided with the gas outlet.
For the air in the casing is heated, the side of test stand is provided with well heater.
In order to strengthen air exchange, also be provided with fan blower on the air inlet.
The bottom of described casing is provided with test stand, and described test stand top also is provided with specimen holder; Described test stand is the rectangular slab of the vertical band chute of placing.
The monitoring of environmental parameter is provided with air temperature sensor, air humidity sensor, sample blackboard temperature sensor and blank temperature sensor in the chamber for convenience in the described casing; Described sample surfaces Wetness sensors is arranged at the specimen holder surface.
In order to heat more accurately and easily and air blast, described accelerated test case also is provided with air heat control system and air blast control system;
Wherein: the air heat control system is used for control heater, controls according to the real time data of air temperature sensor, blank temperature sensor, blackboard temperature sensor in the chamber, heats when being lower than setting value, stops heating when reaching setting value;
The air blast control system is used for fan blower is controlled, when needing to accelerate air flow in the experimental box, and then blower motor operation.
In order to control the speed of air exchange, described air intake opening and/or gas outlet are provided with the air arrangements for speed regulation; Described air arrangements for speed regulation comprise window frame, are provided with the window blade in the window frame, and one side of window blade is for rotating the limit, and another side is an active edges, and the two ends and the described window frame on described rotation limit are hinged.
For the effect that guarantees to heat, also be provided with heat-insulation layer in the diapire of described chamber and the sidewall.
In order to improve the temperature homogeneity in the chamber, also be provided with convection fan on the sidewall in the chamber.
In order to prevent that injection spray pipe is subjected to gravity sag, influence the accuracy of spraying, the upper fixed of described both sides chain has bracing frame, and bracing frame is provided with movable stand, and the two ends of described movable stand are positioned on the bracing frame of both sides, and described injection spray pipe is fixed on movable stand one side.
Beneficial effect of the present invention is:
(1) the invention enables spraying no longer to be subjected to the wind in the external environment condition and the influence of rain, solved and sprayed inhomogeneous and the problem that surrounding environment impacts, make detect data more evenly, reliable.Spraying system surface wettability sensor is per sample controlled the carrying out of spraying automatically, has solved to owe to spray and cross the problem of spraying, makes spraying be controlled at the fastest thin liquid film zone of corrosion, quickens multiplying power thereby improve.
(2) existence of well heater, the user can improve the corrosion and the aging speed of sample by the method that improves test casing internal temperature, further improves and quickens multiplying power.
(3) air inlet, ground, gas outlet exist, and allow box house and the convection current of outside air ground, make the box house composition of air except that the reinforced portion factor, can keep consistent with the case external environment as far as possible, help improving the correlativity of accelerated test and Natural Environmental Test.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a vertical view of the present invention;
Fig. 3 is the structural representation of parts 11 among Fig. 1;
Fig. 4 is the circuit diagram of control system of the present invention.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are done detailed description:
A kind of testing box for accelerated environment comprises casing 1, transparent cover plate 2, is provided with mobile spraying system in the casing 1.Mobile spraying system comprises:
Spraying plant is used for the sample in the chamber is sprayed, and comprises that liquid storage irritates, has the injection spray pipe of the water pump of water inlet pipe and rising pipe, band shower nozzle, and wherein water inlet pipe links to each other with the liquid storage filling, and rising pipe links to each other with injection spray pipe;
Mobile device, be used in casing 1, moving for injection spray pipe, comprise two driving gears 3 that chamber one end is oppositely arranged, that link to each other by cross coupler 13, two follower gears 4 that the other end is oppositely arranged, that link to each other by cross coupler 13, described driving gear 3 all is fixed on the sidewall of chamber by ring flange with follower gear 4, links to each other by chain between the driving gear 3 of homonymy and the follower gear 4; Described driving gear 3 is by moving the control motor-driven; The two ends of described injection spray pipe are separately fixed on the chain of both sides, and described injection spray pipe and chain are perpendicular; When the chain of both sides moved, injection spray pipe moved in casing under the drive of chain uniformly, and sample is sprayed.Mobile device here and spraying plant all can be other structure, move in casing as long as satisfy injection spray pipe, and the requirement of spraying all can.
Move the spraying control system, be used to control spraying plant, control system reads the real time data that is arranged on the sample surfaces Wetness sensors 23 in the casing 1, the control mobile device moves when moistening degree is lower than setting value, and use spraying plant to spray, when reaching setting value, then stop spraying.
The bottom of casing 1 is provided with test stand 5, and the test stand top also is provided with specimen holder 6; Test stand 5 is the rectangular slab of the vertical band chute of placing, and specimen holder 6 can be fixed on the test stand 5, and can move along the chute direction at test stand 5, can arrange specimen holder easily like this, as much as possible the space of application test case.
The side of test stand is provided with well heater 7, and wherein well heater 7 is a ceramic heating flake.Well heater can improve the acceleration multiplying power of test to the air heat in the casing.
Sample surfaces Wetness sensors 23 in the casing is arranged at the specimen holder surface, has made things convenient for the collection of box house data.Also be provided with air temperature sensor 21, air humidity sensor 22, blackboard temperature sensor 24 and blank temperature sensor 25 in the casing; Temperature sensor, humidity sensor are installed in the position of specimen holder from the about 10～20mm in bottom, more than the chest medial surface 100mm, simultaneously as far as possible away from well heater, reduce radiation heat and the convection current difference causes data distortion as far as possible.Blackboard temperature sensor, blank temperature sensor, sample surfaces Wetness sensors are installed on the identical plane of sample, are convenient to spraying and the illumination accepting to correspond with a sample.
One sidewall of casing is provided with air intake opening 8, and another sidewall is provided with gas outlet 9, has made things convenient for the exchange of casing and air outside, also is provided with fan blower 10 on the air inlet, has further strengthened the convection current of air ground.
Air intake opening and/or gas outlet are provided with air arrangements for speed regulation 11, and the air arrangements for speed regulation comprise window frame 31, are provided with window blade 32 in the window frame, and one side of window blade is for rotating the limit, and another side is an active edges, and the two ends and the described window frame on described rotation limit are hinged.The flow velocity that can regulate air inlet and/or give vent to anger makes things convenient for the carrying out of testing like this.
Also be provided with heat-insulation layer in the diapire of chamber and the sidewall, guaranteed the effect of heating, saved power consumption.Here the material used of heat-insulation layer can be foam, asbestos etc.
Also be provided with convection fan 12 on the sidewall in the chamber, the air flow in the accelerated test case has been accelerated the speed of corroding.
The upper fixed of both sides chain has bracing frame 8, and bracing frame 8 is provided with movable stand 9, and the two ends of movable stand 9 are positioned on the bracing frame 8 of both sides, and injection spray pipe is fixed on movable stand 9 one sides.Injection spray pipe can drive movable stand 9 and moves on bracing frame 8 like this, and the existence of movable stand 9 has reduced the influence of injection spray pipe because of gravity sag, has increased the precision of spraying.
Also be provided with solenoid valve on the injection spray pipe, when needs were sprayed, the solenoid valve water flowing was opened in the pressurization of operation water pump more earlier, when finishing spraying, closes solenoid valve earlier, switches off the pump again, made the water that injection spray pipe went out keep suitable pressure like this, and it is more even to spray.
The accelerated test case also is connected with air heat control system and air blast control system.The air heat control system is used for control heater; Real time data according to air temperature sensor, blank temperature sensor, blackboard temperature sensor in the chamber is controlled, and heats when being lower than setting value, stops heating when reaching setting value.The air blast control system is used for fan blower is controlled, when needing to accelerate air flow in the experimental box, and then blower motor operation.
Here can adopt control circuit shown in Figure 4 to realize the function of above air heat control system, air blast control system and mobile spraying control system, the power interface of programmable logic controller (PLC) joins with the live wire and the zero line of 220 volts alternating current respectively, is connected with air temperature sensor, air humidity sensor, sample surfaces Wetness sensors, blackboard temperature sensor and blank temperature sensor on the input port of programmable logic controller (PLC) respectively.The output port of programmable logic controller (PLC) is connected with solid-state relay SSR, relay coil KA1, relay coil KA2, relay coil KA3 respectively, is also connecting ground wire, live wire and heater H T on the SSR respectively, and the other end of HT links to each other with zero line.Also be parallel with main contact and the blower motor M1 of KA1 between live wire and the zero line, the main contact of KA2 and mobile control motor M 2, the main contact of KA3 and contactor coil KM1, water pump M3 parallel with one another.
When the data of the detected surface wettability sensor of programmable logic controller (PLC) are lower than setting value, then relay coil KA3 get electric, the main contacts closure of KA3, water pump M3 operation, contactor coil KM1 gets electric, makes solenoid valve open, move the operation of control motor, begin spraying work.
Equally, when the temperature in the chamber was lower than setting value, electric heater began heating.When needs were accelerated air flow, fan blower was started working.
The present invention mainly is applicable to outdoor acceleration environment test, can be used for indoor acceleration environment test certainly too.
Though more than in conjunction with the accompanying drawings the present invention is described, any variation of making in the scope of claim of the present invention all drops within protection scope of the present invention.
Claims (10)
1, a kind of testing box for accelerated environment is characterized in that: it comprises casing (1) and is hinged on cover plate (2) on the casing that described casing also is provided with mobile spraying system in (1).
2, testing box for accelerated environment according to claim 1 is characterized in that: described cover plate (2) is a transparent cover plate;
Described mobile spraying system comprises:
Spraying plant is used for the sample in the chamber is sprayed, and comprises that liquid storage irritates, has the injection spray pipe of the water pump of water inlet pipe and rising pipe, band shower nozzle, and wherein water inlet pipe links to each other with the liquid storage filling, and rising pipe links to each other with injection spray pipe;
Mobile device, be used in casing (1), moving for injection spray pipe, comprise what chamber one end was oppositely arranged, by continuous two driving gears (3) of cross coupler (13), the other end is oppositely arranged, by two follower gears (4) that cross coupler (13) links to each other, described driving gear (3) all is fixed on the sidewall of chamber by ring flange with follower gear (4), links to each other by chain between the driving gear of homonymy (3) and the follower gear (4); Described driving gear (3) is driven by Electric Machine Control; The two ends of described injection spray pipe are separately fixed on the chain of both sides, and described injection spray pipe and chain are perpendicular;
Move the spraying control system, be used to control spraying plant, control system reads the real time data that is arranged on the sample surfaces Wetness sensors (23) in the casing (1), the control mobile device moves when moistening degree is lower than setting value, and use spraying plant to spray, when reaching setting value, then stop spraying.
3, testing box for accelerated environment according to claim 2 is characterized in that: a sidewall of described casing is provided with air intake opening, and another sidewall is provided with the gas outlet; Also be provided with fan blower (10) on the described air inlet.
4, testing box for accelerated environment according to claim 3 is characterized in that: the bottom of described casing (1) is provided with test stand (5), and the side of described test stand is provided with well heater (7); Described test stand top also is provided with specimen holder (6); Described test stand (5) is the rectangular slab of the vertical band chute of placing.
5, testing box for accelerated environment according to claim 4 is characterized in that: described sample surfaces Wetness sensors (23) is located at the specimen holder surface; Also be provided with air temperature sensor (21), air humidity sensor (22), blackboard temperature sensor (24) and blank temperature sensor (25) in the described casing.
6, testing box for accelerated environment according to claim 5 is characterized in that: described accelerated test case also is provided with air heat control system and air blast control system;
Wherein: the air heat control system is used for control heater, controls according to the real time data of air temperature sensor, blank temperature sensor, blackboard temperature sensor in the chamber, heats when being lower than setting value, stops heating when reaching setting value;
The air blast control system is used for fan blower is controlled, when needing to accelerate air flow in the experimental box, and then blower motor operation.
7, testing box for accelerated environment according to claim 6 is characterized in that: described air intake opening and/or gas outlet are provided with air arrangements for speed regulation (11); Described air arrangements for speed regulation comprise window frame (31), are provided with window blade (32) in the window frame, and one side of window blade is for rotating the limit, and another side is an active edges, and the two ends and the described window frame on described rotation limit are hinged.
8, testing box for accelerated environment according to claim 7 is characterized in that: also be provided with heat-insulation layer in the diapire of described chamber and the sidewall.
9, testing box for accelerated environment according to claim 8 is characterized in that: also be provided with convection fan (12) on the sidewall in the described chamber.
10, testing box for accelerated environment according to claim 9, it is characterized in that: the upper fixed of described both sides chain has bracing frame (8), support frame as described above (8) is provided with movable stand (9), the two ends of described movable stand (9) are positioned on the bracing frame (8) of both sides, and described injection spray pipe is fixed on movable stand (9) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101046410A CN101672765B (en) | 2009-08-18 | 2009-08-18 | Testing box for accelerated environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101046410A CN101672765B (en) | 2009-08-18 | 2009-08-18 | Testing box for accelerated environment |
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| Publication Number | Publication Date |
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| CN101672765A true CN101672765A (en) | 2010-03-17 |
| CN101672765B CN101672765B (en) | 2011-12-21 |
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| CN2009101046410A Expired - Fee Related CN101672765B (en) | 2009-08-18 | 2009-08-18 | Testing box for accelerated environment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841051A (en) * | 2012-09-07 | 2012-12-26 | 中国兵器工业第五九研究所 | Multi-factor comprehensive simulation accelerated testing device for climatic environment |
| CN104596755A (en) * | 2015-01-29 | 2015-05-06 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN105403474A (en) * | 2015-10-29 | 2016-03-16 | 中国兵器工业第五九研究所 | Natural acceleration testing device and method of composite solid propellant |
| CN105806753A (en) * | 2016-03-07 | 2016-07-27 | 农业部南京农业机械化研究所 | Simulation test system and test method for field fogdrop deposition distribution of pesticide applying device |
| CN106442300A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院金属研究所 | High-accuracy spray deposition salt hot corrosion experiment method |
| CN108958335A (en) * | 2018-07-27 | 2018-12-07 | 中国兵器工业第五九研究所 | A kind of climate module numerical control storage test system |
| CN110108967A (en) * | 2019-06-12 | 2019-08-09 | 中国兵器工业第五九研究所 | A kind of four combined environment test devices |
| CN110155365A (en) * | 2019-05-13 | 2019-08-23 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | For the fixed device of unmanned plane natural surroundings exposure test |
| CN118090579A (en) * | 2024-04-24 | 2024-05-28 | 苏州市中信节能与环境检测研究发展中心有限公司 | Sample placement device for salt spray test box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6990868B2 (en) * | 2002-11-15 | 2006-01-31 | Atlas Material Testing Techology Llc | Accelerated weathering apparatus having sealed weathering chamber |
| US20070295115A1 (en) * | 2006-06-22 | 2007-12-27 | Atlas Material Testing Technology Llc | Assembly and method for accelerated weathering with an automated programmable cycle |
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2009
- 2009-08-18 CN CN2009101046410A patent/CN101672765B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841051A (en) * | 2012-09-07 | 2012-12-26 | 中国兵器工业第五九研究所 | Multi-factor comprehensive simulation accelerated testing device for climatic environment |
| CN104596755A (en) * | 2015-01-29 | 2015-05-06 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN104596755B (en) * | 2015-01-29 | 2017-02-22 | 农业部南京农业机械化研究所 | Spray drift performance testing device |
| CN105403474A (en) * | 2015-10-29 | 2016-03-16 | 中国兵器工业第五九研究所 | Natural acceleration testing device and method of composite solid propellant |
| CN105403474B (en) * | 2015-10-29 | 2018-05-11 | 中国兵器工业第五九研究所 | A kind of composite solidpropellant natural acceleration test device and method |
| CN105806753A (en) * | 2016-03-07 | 2016-07-27 | 农业部南京农业机械化研究所 | Simulation test system and test method for field fogdrop deposition distribution of pesticide applying device |
| CN105806753B (en) * | 2016-03-07 | 2018-10-19 | 农业部南京农业机械化研究所 | A kind of dispenser equipment field mist droplet deposition distributed simulation test system and test method |
| CN106442300A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院金属研究所 | High-accuracy spray deposition salt hot corrosion experiment method |
| CN108958335A (en) * | 2018-07-27 | 2018-12-07 | 中国兵器工业第五九研究所 | A kind of climate module numerical control storage test system |
| CN110155365A (en) * | 2019-05-13 | 2019-08-23 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | For the fixed device of unmanned plane natural surroundings exposure test |
| CN110108967A (en) * | 2019-06-12 | 2019-08-09 | 中国兵器工业第五九研究所 | A kind of four combined environment test devices |
| CN118090579A (en) * | 2024-04-24 | 2024-05-28 | 苏州市中信节能与环境检测研究发展中心有限公司 | Sample placement device for salt spray test box |
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| Publication number | Publication date |
|---|---|
| CN101672765B (en) | 2011-12-21 |
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