CN102841051A - Multi-factor comprehensive simulation accelerated testing device for climatic environment - Google Patents
Multi-factor comprehensive simulation accelerated testing device for climatic environment Download PDFInfo
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- CN102841051A CN102841051A CN2012103307099A CN201210330709A CN102841051A CN 102841051 A CN102841051 A CN 102841051A CN 2012103307099 A CN2012103307099 A CN 2012103307099A CN 201210330709 A CN201210330709 A CN 201210330709A CN 102841051 A CN102841051 A CN 102841051A
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Abstract
The invention discloses a multi-factor comprehensive simulation accelerated testing device for a climatic environment. The multi-factor comprehensive simulation accelerated testing device comprises a testing box in which a sample frame is arranged, a light source system, an intelligent spraying system, a temperature and humidity regulating system, a circulation air system and a control system. With the adoption of the device, an environmental effect with five environmental factors, such as illumination, corrosive medium, temperature, humidity and air speed can be simultaneously simulated or strengthened; actions, such as radiation power variation, atomizing (or spraying), heating (or cooling), air speed and the like of the light source can be controlled by using an PLC (programmable logic controller) or a singe-chip so as to simulate and strengthen a plurality of typical climate environments; drying and watering circulation on the surface of a sample in the test box can be controlled well through adopting intelligent atomizing (or spraying) control; and accelerated ratio and relevance are improved. The testing device can be used for developing two kinds of different light aging test and damp heat test so as to achieve the effect that one box has multi purposes.
Description
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Technical field
The present invention relates to a kind of device that is used for atmospheric corrosion or environmental suitability measurement, be used to carry out multifactor comprehensive atmospheric environment simulated acceleration test.
Background technology
Since five more than ten years, made huge effort aspect environmental simulation and the accelerated test technical research both at home and abroad,, continually developing new environmental test technology according to being equipped in the various environment that possibly run in production, storage, transportation and the use.The up-to-date scientific and technological achievement of related disciplines such as continuous absorption of these technology and compound material engineering, machine-building, computing machine, automatic control makes the acceleration environment test from single factor experiment, to multifactor composite test, develops to multifactor compbined test direction again.The major defect that single factor environmental simulation accelerated test technology exists is that acceleration and correlativity are relatively poor, and these technology are like salt-fog test, light aging test and damp heat test technology etc.Multifactor climatic environment simulated acceleration test was developed rapidly in nearly ten years, mainly contained improved salt-fog test and cyclic corrosion test etc.At multifactor climatic environment simulated acceleration test technical elements, remain at present in some problem, cause acceleration and correlativity not ideal enough, subject matter comprises:
(1) can not apply the combined action of light and salt fog (or acid mist) to sample simultaneously;
(2) the wet degree of doing on surface is controlled drying and watering cycle automatically per sample;
(3) complex method of some environmental factor is incorrect and cause complex equipmentsization.
Summary of the invention
The purpose of this invention is to provide a kind of multifactor comprehensive climatic environment simulated acceleration test apparatus,, improve acceleration and correlativity with simulation and the reasonable atmospheric environment of strengthening more truly.
To achieve these goals; Adopt following technical scheme: a kind of multifactor comprehensive climatic environment simulated acceleration test apparatus is characterized in that: said device comprises that inside has the test casing of specimen holder, light-source system, smart spraying system, humiture regulating system, wind circulating system and control system.
Said light-source system comprises illuminator and controller thereof; Wherein illuminator is xenon arc lamp and ultraviolet lamp combination or metal halid lamp and ultraviolet lamp combination; Said illuminator is arranged at the top of chamber, and the power of illuminator can be regulated under the control of controller.
Said smart spraying system comprises:
Surface wettability sensor is arranged on the specimen holder, is used for the surface wettability degree of measuring samples;
Spraying plant is used for the sample in the chamber is sprayed Korrosionsmedium, forms one deck thin liquid film at sample surfaces; Spraying plant comprises liquid reserve tank, and woven hose one end stretches in the liquid reserve tank, and an end is provided with nozzle; The outlet of air compressor is positioned at the pipeline of nozzle rear end, and under compressed-air actuated effect, woven hose is drawn the Korrosionsmedium of liquid reserve tank the inside; Through the nozzle ejection, be sprayed on sample surfaces.
Said humiture regulating system comprises the refrigeration and the dehumidifying compressor train that are connected to the test box house through pipeline, and the test box house also is provided with well heater, humidifier and evaporator.
Said wind circulating system comprises blower fan and the ventilating duct that is arranged in the test casing, is used to realize the gas flow in the accelerated test casing.
Said control system comprises switch board, sensor and data communication interface; PLC, contactor, relay and direct supply are installed in the switch board; Said sensor comprises air velocity transducer, temperature sensor, humidity sensor, surface wettability sensor, blackboard temperature sensor, irradiance sensor and level sensor, and data communication interface comprises USB interface, serial communication interface and RJ45 interface.
Said specimen holder is the rectangle rack of tiltable angle; Drive system is connected and fixed on the turning axle on the rectangle rack through shaft coupling; By drive systems, rectangle rack is made banking motion forward or backward from horizontal level after spraying action is accomplished, and resets into horizontal level after reaching predetermined angular.
Said specimen holder also can be the rotating circular disk frame, and the bottom of rotational circle plate rail is connected with the turning axle that has gear, and drive system drives the driven wheel motion; Gearing mesh on driven wheel and the turning axle; Thereby the rotation of driven rotary disk frame is after the spray action is accomplished, by drive systems; The rotational circle plate rail begins rotation, and rotational speed and time are controlled by control system.
The present invention can simulate or strengthen the environmental effect of illumination, Korrosionsmedium, temperature, humidity and five kinds of environmental factors of wind speed simultaneously; The present invention adopts actions such as the radiation power of PLC or Single-chip Controlling light source changes, spraying (or spray), heating (or cooling), wind speed, thus simulation and strengthen multiple typical climatic environment; Adopt intelligent spraying control, the drying and watering cycle on control and the chamber inner sample better improves and quickens multiplying power and correlativity; The present invention can also carry out two types of different light aging tests and damp heat test respectively, reaches the effect of using for a case more.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the cut-open view of A-A among Fig. 1;
Fig. 3 is the cut-open view of B-B among Fig. 1;
Fig. 4 is the structural representation of the rectangle rack of tiltable angle among the embodiment 1;
Fig. 5 is the structural representation of rotational circle plate rail among the embodiment 2;
Among the figure, 1 is the irradiance sensor, and 2 is specimen holder, and 3 is mist collector, and 4 is condenser, and 5 is the refrigeration/dehumidification unit, and 6 is liquid reserve tank; 7 are smoothing weighing apparatus device, and 8 is castor, and 9 is lower box, and 10 is the blackboard temperature meter, and 11 is air compressor, and 12 is liquid-collecting bottle, and 13 is motor; 14 is support, and 15 is shaft coupling, and 16 is reductor, and 17 is view window, and 18 is top cover, and 19 is temperature sensor, and 20 is humidity sensor; 21 is shaft coupling, and 22 is control panel, and 23 is big door handle, and 24 is evaporator, and 25 is switch board, and 26 is humidifier; 27 is well heater, and 28 is blower fan, and 29 is light source, and 30 is glass plate, and 31 is woven hose, and 32 is nozzle; 33 is instrument connection, and 34 is surface wettability sensor, and 35 is shaft coupling, and 36 is motor and reductor, and 37 is driven wheel, and 38 is gear.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explanation:
Embodiment 1: extremely shown in Figure 4 like Fig. 1, and a kind of multifactor comprehensive climatic environment simulated acceleration test apparatus, said multifactor comprehensive climatic environment test unit comprises light-source system, smart spraying system, humiture regulating system, wind circulating system and control system.
Said light source 29 systems are xenon arc lamp+Ultraluminescence lamp combination or metal halid lamp+Ultraluminescence lamp combination, and are furnished with corresponding controller, and ventilate cooling and heat-proof device being housed in its combination of light sources.Lamp in the light source 29 can be opened separately, also can open simultaneously, and the power of each lamp can be regulated within the specific limits.Said light source 29 is installed in the top of chamber, adopts PLC, single-chip microcomputer or PC programmed control combination and power.
Said intelligent spray system comprises:
Spraying plant is used for the sample in the chamber is sprayed Korrosionsmedium, forms one deck thin liquid film at sample surfaces, structurally comprises liquid reserve tank 6, air compressor 11, woven hose 31 and nozzle 32.Woven hose is drawn the Korrosionsmedium of liquid reserve tank the inside, under compressed-air actuated effect, sprays through nozzle.
The humiture regulating system comprises refrigeration/dehumidification compressor train 5, well heater 27, humidifier 26, condenser 4 and evaporator 24 etc., is used to adjust the temperature and humidity in the chamber.
Wind circulating system comprises blower fan 28 and ventilating duct, and said blower fan and ventilating duct adopt corrosion-resistant material to process.
Control system comprises switch board 25, sensor and data communication interface; PLC, contactor, relay and direct supply etc. are installed in the switch board.Said sensor comprises air velocity transducer, temperature sensor, humidity sensor, surface wettability sensor, blackboard temperature sensor, irradiance sensor and level sensor etc.Data communication interface comprises USB interface, serial communication interface and RJ45 interface.
As shown in Figure 4; Specimen holder 2 is the rectangle rack of tiltable angle; Drive system is connected and fixed on the turning axle on the rectangle rack through shaft coupling 35; Accomplish the back by motor and speed reduction unit 36 drivings in spraying (or spray) action, rectangle rack is made banking motion forward or backward from horizontal level, resets into horizontal level after reaching predetermined angular.Can get rid of unnecessary Korrosionsmedium solution like this, prevent to accumulate crystallization and the effect of shading light.
Embodiment 2: as shown in Figure 5, different with embodiment 1 is: specimen holder is the rotational circle plate rail, and the bottom of rotational circle plate rail is connected with the turning axle that has gear; Motor and reductor drive driven wheel 37 motions, gear 38 engagements on driven wheel 37 and the turning axle, thereby the rotation of driven rotary disk frame; After spraying (or pouring) action is accomplished; Driven by motor and reductor, the rotational circle plate rail begins rotation, and rotational speed and time are controlled by control system.
Claims (8)
1. multifactor comprehensive climatic environment simulated acceleration test apparatus, it is characterized in that: said device comprises that inside has the test casing of specimen holder, light-source system, smart spraying system, humiture regulating system, wind circulating system and control system.
2. multifactor comprehensive climatic environment simulated acceleration test apparatus as claimed in claim 1; It is characterized in that: said light-source system comprises illuminator and controller thereof; Wherein illuminator is xenon arc lamp and ultraviolet lamp combination or metal halid lamp and ultraviolet lamp combination; Said illuminator is arranged at the top of chamber, and the power of illuminator can be regulated under the control of controller.
3. multifactor comprehensive climatic environment simulated acceleration test apparatus as claimed in claim 1 is characterized in that: said smart spraying system comprises:
Surface wettability sensor is arranged on the specimen holder, is used for the surface wettability degree of measuring samples;
Spraying plant is used for the sample in the chamber is sprayed Korrosionsmedium, forms one deck thin liquid film at sample surfaces; Spraying plant comprises liquid reserve tank, and woven hose one end stretches in the liquid reserve tank, and an end is provided with nozzle; The outlet of air compressor is positioned at the pipeline of nozzle rear end, and under compressed-air actuated effect, woven hose is drawn the Korrosionsmedium of liquid reserve tank the inside; Through the nozzle ejection, be sprayed on sample surfaces.
4. multifactor comprehensive climatic environment simulated acceleration test apparatus as claimed in claim 1; It is characterized in that: said humiture regulating system; Comprise the refrigeration and the dehumidifying compressor train that are connected to the test box house through pipeline, the test box house also is provided with well heater, humidifier and evaporator.
5. multifactor comprehensive climatic environment simulated acceleration test apparatus as claimed in claim 1 is characterized in that: said wind circulating system comprises blower fan and the ventilating duct that is arranged in the test casing, is used to realize the gas flow in the accelerated test casing.
6. multifactor comprehensive climatic environment simulated acceleration test apparatus as claimed in claim 1, it is characterized in that: said control system comprises switch board, sensor and data communication interface; PLC, contactor, relay and direct supply are installed in the switch board; Said sensor comprises air velocity transducer, temperature sensor, humidity sensor, surface wettability sensor, blackboard temperature sensor, irradiance sensor and level sensor, and data communication interface comprises USB interface, serial communication interface and RJ45 interface.
7. like the arbitrary described multifactor comprehensive climatic environment simulated acceleration test apparatus of claim 1 to 6; It is characterized in that: said specimen holder is the rectangle rack of tiltable angle; Drive system is connected and fixed on the turning axle on the rectangle rack through shaft coupling; By drive systems, rectangle rack is made banking motion forward or backward from horizontal level after spraying action is accomplished, and resets into horizontal level after reaching predetermined angular.
8. like the arbitrary described multifactor comprehensive climatic environment simulated acceleration test apparatus of claim 1 to 6, it is characterized in that:
Said specimen holder is the rotational circle plate rail, and the bottom of rotational circle plate rail is connected with the turning axle that has gear, and drive system drives the driven wheel motion; Gearing mesh on driven wheel and the turning axle; Thereby the rotation of driven rotary disk frame is after the spray action is accomplished, by drive systems; The rotational circle plate rail begins rotation, and rotational speed and time are controlled by control system.
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