CN103645063A - Environmental test chamber system - Google Patents
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- CN103645063A CN103645063A CN201310669264.1A CN201310669264A CN103645063A CN 103645063 A CN103645063 A CN 103645063A CN 201310669264 A CN201310669264 A CN 201310669264A CN 103645063 A CN103645063 A CN 103645063A
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Abstract
The invention discloses an environmental test chamber system which is formed by an outer chamber, an inner chamber which is nested in the outer chamber and a circulatory system for the communication between the outer chamber and the inner chamber. An outer circulatory system which carries out filtering, temperature adjustment and moisture adjustment on air is formed inside and outside the outer chamber. An inner circulatory system which carries out purifying on air is formed inside and outside the inner chamber. The outer circulatory system is communicated with the inner circulatory system. The inner circulatory system filters and purifies the air which is from the outer circulatory system and is subjected to filtering, temperature adjustment and moisture adjustment. The inner circulatory system is also in parallel connection with a purifying component testing system. The outer circulatory system is communicated with a fresh air system. The inner circulatory system is connected with an exhaust system. The inner circulatory system is provided with a sampling port and a pollutant generation device. According to the environmental test chamber system, an air processing system is utilized, the air which enters into the inner chamber as a testing place can be processed before testing, thus the air for testing is in accordance with a preset requirement, and thus a purpose of testing the performance of an air purification product in a unified, standard, accurate and efficient way is realized.
Description
technical field:
The present invention relates to a kind of test macro, relate in particular to a kind of energy and simulate the indoor air environment being polluted, the environmental testing cabin system that air cleaning unit performance is tested, evaluated.
background technology:
Due to expanding economy and growth in the living standard, people are more and more higher to the requirement of indoor beautification of rooms, at indoor a large amount of use decorating and renovating materials, cause air pollution problem inside rooms more and more serious, so scientist and the public also more and more pay close attention to problems.Thereupon, various air cleaning units arise at the historic moment, and more and more come into one's own, and air cleaning unit is the common equipment that improves indoor air quality.The air purifier form occurring on market is varied, by cleaning principle, can be divided into physisorption filtering product, chemolysis and photochemical catalytic oxidation product, microorganism decomposition principle product, multiple composite principle purified product etc., the so many purified product quality of kind and clean-up effect are uneven, and still do not have unified testing standard and Assessment of cleaning efficiency standard to give standard both at home and abroad.For this reason, build one imperative for testing the environmental testing cabin system of air cleaning unit performance.
Inventor finds that the research direction of current environmental test chamber rests on organic release rule aspect in mensuration indoor decorating and refurnishing materials and product more, and to air cleaning unit, test there is no report with the research in cabin.And the performance test of existing test chamber indices parameter inapplicable air cleaning unit, it can not simulate the indoor environment of being polluted well, unified test condition cannot be provided for different air cleaning units, thereby cannot effectively evaluate the clean-up effect of air cleaning unit.
For this reason, how to build as early as possible one for testing the environmental test chamber of air cleaning unit purifying property, effective evaluation air cleaning unit, for the clean-up effect of various pollutants, becomes letter problem to be solved.
summary of the invention:
In order to solve the purifying property of multiple air cleaning unit on market, lack the problem that effective testing standard environment is tested and evaluated, the object of the invention is the environmental testing cabin system of setting up a kind of unification, standard, testing accurately and efficiently air clearing product performance; Thereby promote current air purifier product test technical development, improve purification assembly purifying property and improve the level that chemical material pollutant is discharged to content measuring equipment.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of environmental testing cabin system, it is mainly by outer cabin be nested in interior cabin in outer cabin and the circulation system that inside and outside cabin communicates forms, its outer cabin by self into and out of air port and connection into and out of the pipeline in air port make that the outer cabin a pair of air of inside and outside formation filters, the external circulating system of temperature adjustment, damping; Interior cabin by self into and out of air port and connect the internal circulation system that the inside and outside formation in interior cabin is purified into and out of the pipeline in air port to air; External circulating system is connected with internal circulation system and makes internal circulation system carry out filtration, purification to the air through filtration, temperature adjustment, damping of being come in by external circulating system; On internal circulation system also purification assembly test macro in parallel to carry out purification assembly performance test; External circulating system is connected with VMC (Ventilation Mechanical Control System); Internal circulation system is also connected with exhaust system, and internal circulation system is also connected with sampling system, is also provided with pollutant generation systems in internal circulation system.
Described external circulating system comprises: be located at the first outer cabin air outlet A, the first outer cabin air inlet F on outer cabin, the first outer cabin air outlet A, the first outer cabin air inlet F are connected and are made to be connected to form external circulating system inside and outside outer cabin by pipeline, are provided with the conditioner of an adjustable speed fan and adjusting air themperature, humidity and new wind on external circulating system; Internal circulation system comprises and is located at the first interior cabin air outlet G on interior cabin, interior cabin air inlet I; The first interior cabin air outlet G is connected and is made the inside and outside internal circulation system that is connected to form in interior cabin by pipeline with interior cabin air inlet I; On cabin, being also provided with outside the second outer cabin air outlet H, the second outer cabin air outlet H is connected with internal circulation system and is realized being connected of external circulating system and internal circulation system by outer cabin outlet valve; On internal circulation system, be also connected with the second buncher, flow is taken into account gas purification filter assemblies, on internal circulation system, be also provided with the assembly air inlet valve of gas purification filter assemblies parallel connection, assembly outlet valve in order to being connected with tested purification assembly; External circulating system is also connected with new wind air inlet E by new wind blow valve; On interior cabin, be also provided with the second interior cabin air outlet D, the second interior cabin air outlet D is connected with external circulating system by outer cabin air inlet valve, the second outer cabin air inlet B; The second interior cabin air outlet D is also connected with atmosphere by the exhaust system being comprised of outlet valve, absorbent charcoal adsorber, air outlet C; Sampling system thief hatch is located on interior cabin, the pollutant generator of pollutant generation systems is located in interior cabin.
Described conditioner is mainly used in filtering the above dust particle of 5 μ m, refrigerating plant, heating arrangement, damping device by the first roughing efficiency air filter 5 connecting successively and forms, and the first roughing efficiency air filter 5 is connected with new wind air inlet E by the 3rd pneumatic valve 4.
Described gas purification filter assemblies comprises that the 7th pneumatic valve 16, the second roughing efficiency air filter that connect successively are just mainly used in filtering the above dust particle of 5 μ m, chemical filter 18 mainly for the treatment of stench in air, the novel air purifier of poisonous and harmful and corrosive gas, high efficiency particulate air filter 19 and the 8th pneumatic valve 20, high efficiency particulate air filter 19 is mainly used in trapping particle dust and the various suspension below 0.5um; High efficiency particulate air filter adopts ultra-fine fibre glass paper to make filtrate, and the materials such as offset paper, aluminium film are made fragmenting plate, forms and the 8th pneumatic valve 20 with wooden frame aluminium alloy gummed.
In described outer cabin, be provided with turbofan for stirring evenly air and it being flowed, in interior cabin, be provided with fan for increasing air velocity in cabin, make pollutant be uniformly distributed in the whole test space, increased the reliability of single-point sampled result.
The cabin body in described outer cabin is connected by buckle mode by polylith storehouse plate, and teflon bar sealing for gap, fills insulating heat insulating material between bulkhead; Interior cabin is welded to connect by polylith stainless steel, and inwall is polishing stainless steel surface.
Good effect of the present invention is:
Utilize air treatment system, can be before test to entering as the air in the interior cabin of test site, process, make the air of testing use meet preset requirement, avoided the impact of unfavorable air on test effect; So be nested in two cabin structures in outer cabin with interior cabin, can select the pipeline of air circulation, realize the annexation in He Wai cabin, cabin in changing, the outer circulation that interior circulation that air circulates in interior cabin and air treatment system or air are circulated in cabin and air treatment system outside, thereby can be by regulating parameter that the temperature parameter of air in outer cabin controls air in interior cabin indirectly as humiture, prevent from changing due to the airborne contaminant component in interior cabin that directly internally the behavior such as the heating of cabin gas or humidification causes; Contaminated indoor environment in this environmental test chamber energy simulate reality, on affecting each influence factor of air cleaning unit performance test, carried out accurate control, can be more objective, effectively carry out the performance test of air clearing product, make evaluation result more accurate, thereby realize unification, standard, test accurately and efficiently the object of air clearing product performance.
accompanying drawing explanation:
Fig. 1 is a kind of environmental test chamber intention of the present invention;
embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As seen from Figure 1: the interior cabin 2 of environmental testing cabin system is nested in outer cabin 1; The cabin body in outer cabin 1 is connected by buckle mode by polylith storehouse plate, and teflon bar sealing for gap, fills insulating heat insulating material between bulkhead; Being welded to connect by polylith stainless steel of interior cabin 2, inwall is polishing stainless steel surface.
Outer cabin 1 cabin body connects the first outer cabin air outlet A, the first outer cabin air outlet A is connected with the first adjustable speed fan 3 by pipeline, the first adjustable speed fan 3 is connected with the first roughing efficiency air filter 5 by pipeline, the first roughing efficiency air filter 5 is connected with new wind air inlet E by the 3rd pneumatic valve 4, the first roughing efficiency air filter 5 is connected with refrigerating plant 6 by pipeline, refrigerating plant 6 is connected with heating arrangement 7 by pipeline, and heating arrangement 7 is connected with the first outer cabin air inlet F by pipeline; The first outer cabin air outlet A communicates with 1 inner space, outer cabin, and the first outer cabin air inlet F communicates with 1 inner space, outer cabin.When control system starts buncher 3, make the interior air in outer cabin 1 enter pipeline, system start refrigerating plant 6 or heating arrangement 7 can control tube road in the temperature of air, thereby realize the control of external cabin 1 Inside Air Temperature.System is opened the 3rd pneumatic valve 4 can introduce new wind in 1 space, outer cabin; The turbofan 25 of 1 inside, outer cabin can make air in cabin stir evenly and make it to flow.
By Fig. 1, be it can also be seen that: interior cabin 2 cabin bodies are connected with the first interior cabin air outlet G, the first interior cabin air outlet G is connected with pneumatic valve 11 by pipeline, the 4th pneumatic valve 11 is connected with the second buncher 12 by pipeline, the second buncher 12 is connected with flowmeter 14 by pipeline, flowmeter 14 is connected with the 7th pneumatic valve 16 by pipeline, the 7th pneumatic valve 16 is connected with the second roughing efficiency air filter 17 by pipeline, the second roughing efficiency air filter 17 is connected with chemical filter 18 by pipeline, chemical filter 18 by pipeline with
high effect filtrator 19 is connected, and high efficiency particulate air filter 19 is connected with the 8th pneumatic valve 20 by pipeline, and the 8th pneumatic valve 20 is connected with interior cabin air inlet I by pipeline; The 6th pneumatic valve 15 is connected with flowmeter 14, the 7th pneumatic valve 16 and tested purification assembly 22 by pipeline, the 9th pneumatic valve 21 is connected with tested purification assembly 22 with the 8th pneumatic valve 20, interior cabin air inlet I by pipeline, and interior cabin air inlet I is connected with interior cabin 2 cabin bodies.
By Fig. 1, be it can also be seen that: interior cabin 2 top, body inner space, cabin fans 10, for increasing air velocity in cabin, can make pollutant be uniformly distributed in the whole test space; For quantitatively there is pollutant in pollutant generator 23, described pollutant generator adopts the communication modes of RS485 bus, and the generation of quantitative contamination is carried out in the instruction sending by receiving control system; The external sampling apparatus of thief hatch 24, internally the air in cabin is sampled, and described thief hatch 24 has air intake opening 28 and gas returning port 29, and thief hatch 24 has air intake opening 28 and gas returning port 29 simultaneously, can avoid being changed and the negative pressure that produces by pressure, effectively avoid the cabin body therefore causing to leak.
Before test, by the temperature parameter in cabin in computer installation 2, open the 3rd pneumatic valve 4, the 5th pneumatic valve 13, the 7th pneumatic valve 16, the 8th pneumatic valve 20, the second pneumatic valve 9, open the first adjustable speed fan 3, the second adjustable speed fan 12, heating arrangement 7, damping device 27, air enters circulation by the first outer cabin air outlet A, through adjustable speed fan 3, the first roughing efficiency air filter 5, refrigerating plant 6, heating arrangement 7, the outer cabin air inlet F of damping device 27, first, get back to 1 inner space, outer cabin successively, this circulation claims outer circulation.Open the 5th pneumatic valve 13, filtrator air inlet valve 16, filtrator outlet valve simultaneously, open the second adjustable speed fan 12, air enters circulation by the second outer cabin air outlet H, successively through the 5th pneumatic valve 13, the second adjustable speed fan 12, by flowmeter 14, controlling after flow, by the second roughing efficiency air filter 17, chemical filter 18, high efficiency particulate air filter 19, respectively by airborne particle, number of chemical contaminant removal; Finally, clean air after filtration air outlet 20, interior cabin air inlet I is delivered in interior cabin, and for test, this circulation claims inner-outer circulation; Because interior cabin enters pure air, cause cabin internal gas pressure to increase, in cabin, gas enters inner space, outer cabin by the second interior cabin air outlet D, the second pneumatic valve 9 and the second outer cabin air inlet B simultaneously.When interior cabin, humiture reaches after requirement, close the second adjustable speed fan 12, the 5th pneumatic valve 13, the 7th pneumatic valve 16, the 8th pneumatic valve 20, the second pneumatic valve 9, now above-mentioned outer circulation continues operation, for indirectly controlling the constant of interior cabin 2 temperature and humidities, prevent the temperature by cabin gas in direct change, each contaminant component in air is impacted;
After interior cabin 2 humitures are constant, control system sends instruction and controls pollutant generator 23, and pollutant quantitatively occurs, and opens electric fan 10 simultaneously, gas flow in cabin, and air is uniformly distributed in the whole test space.After a certain amount of pollutant enters interior cabin, close pollutant generator, stop occurring pollutant.After a period of stabilisation, start test.Contaminated air in cabin 2 in gathering by thief hatch 24, test the pollutant levels of this air, can obtain the initial concentration of contaminated air in interior cabin, then, after air purifier work predetermined time, the air purifying through air purifier in cabin in gathering by thief hatch again, test the concentration of the contained pollutant of air after this purification, concentration through this initial concentration relatively and after purifying, can obtain the purification efficiency of this air cleaning unit, and and then can evaluate the performance of this air cleaning unit.
After being completed, open the 5th pneumatic valve 13, filtrator air inlet valve 16, filtrator outlet valve, open the second adjustable speed fan 12, gas in can cleaning systems, make in cabin background concentration value be down to and meet limit value in standard, while having avoided direct opened door like this due to excessive concentration in cabin, the problem such as the personnel that may cause are poisoning, environmental pollution.
Further, the environmental test chamber in conjunction with above-described embodiment is explained in more detail the test environment that how to utilize the environmental test chamber of above-described embodiment to obtain purification assembly:
Use the control method of above-mentioned interior cabin humiture to control, after interior cabin 2 humitures are constant, control system sends instruction and controls pollutant generator 23, quantitatively there is pollutant, open electric fan 10, gas flow in cabin, is that air is uniformly distributed in the whole test space simultaneously.After a certain amount of pollutant enters interior cabin, close pollutant generator, stop occurring pollutant.After a period of stabilisation, start test.Contaminated air in cabin 2 in gathering by thief hatch 24, test the pollutant levels of this air, can obtain the initial concentration of contaminated air in interior cabin, then, tested purification assembly 22 is installed, open the 4th pneumatic valve 11, the 6th pneumatic valve 15, the 9th pneumatic valve 21, open the second adjustable speed fan 12, gas is through the first interior cabin air outlet, the 4th pneumatic valve 11, the second adjustable speed fan 12, by flowmeter 14, controlling after flow, through the 6th pneumatic valve 15, tested purification assembly 22, the 9th pneumatic valve 21, enter cabin, interior cabin body, circulation in this circulation claims.In the process of test, can be at interval of the air in cabin in predetermined time section collection once, as the air in cabin in gathering once at interval of a hour, to test the work efficiency after purification assembly work different time length.
After being completed, opened air inlet valve 16, the 8th pneumatic valve 20, make gas pass through the second roughing efficiency air filter 17, chemical filter 18, high efficiency particulate air filter 19, gas in cleaning systems, make in cabin background concentration value be down to and meet limit value in standard, while having avoided direct opened door like this due to excessive concentration in cabin, the problem such as the personnel that may cause are poisoning, environmental pollution.
Further, the environmental test chamber in conjunction with above-described embodiment is explained in more detail the test environment that how to utilize the environmental test chamber of above-described embodiment to obtain the release of combination materials pollutant:
Before test, by the temperature in cabin in set-up of control system 2, open the 3rd pneumatic valve 4, the 5th pneumatic valve 13, the 7th pneumatic valve 16, the 8th pneumatic valve 20, the first pneumatic valve 8, open the first adjustable speed fan 3, the second adjustable speed fan 12, heating arrangement 7, damping device 27, air enters circulation by the first outer cabin air outlet A, through adjustable speed fan 3, the first roughing efficiency air filter 5, refrigerating plant 6, heating arrangement 7, the outer cabin air inlet F of damping device 27, first, get back to 1 inner space, outer cabin successively, this circulation claims outer circulation.Open the 5th pneumatic valve 13, filtrator air inlet valve 16, filtrator outlet valve simultaneously, open the second adjustable speed fan 12, air enters circulation by the second outer cabin air outlet, successively through the 5th pneumatic valve 13, the second adjustable speed fan 12, by flowmeter 14, controlling after flow, by the second roughing efficiency air filter 17, chemical filter 18, high efficiency particulate air filter 19, respectively by airborne particle, number of chemical contaminant removal; Finally, clean air after filtration air outlet 20, interior cabin air inlet I is delivered in interior cabin, and for test, this circulation claims inner-outer circulation; Because interior cabin enters pure air, cause cabin internal gas pressure to increase, in cabin, gas is discharged in atmosphere by the second interior cabin air outlet D, the first pneumatic valve 8, absorbent charcoal adsorber 26 and air outlet B simultaneously.When interior cabin, humiture reaches after requirement, and the combination materials that will test is put in interior cabin 2, and the resh air requirement in interior cabin 2 is set according to system, regulates the air output of the second buncher 12, tests.In the process of test, can be at interval of the air in cabin in predetermined time section collection once, to survey combination materials in the release effect of different time length after stain thing.
After being completed, regulate the second buncher 12 to increase the resh air requirement in interior cabin 2, make the dusty gas in interior cabin 2 pass through the second interior cabin air outlet D, the first pneumatic valve 8, the filtration absorption through absorbent charcoal adsorber 26, then comes in atmosphere by gas outlet C.Then measured material is shifted out to cabin body, close hatch door.
Thereby technical scheme of the present invention can be simulated above-described three kinds of test environments preferably, can be objective, effectively carry out the performance test of air purifier and purification assembly product.
Claims (6)
1. an environmental testing cabin system, it,, mainly by outer cabin (1) be nested in interior cabin (2) in outer cabin and the circulation system that inside and outside cabin communicates forms, is characterized in that: its outer cabin (1) by self into and out of air port and connect into and out of the pipeline in air port make that the outer cabin a pair of air of inside and outside formation filters, the external circulating system of temperature adjustment, damping; Interior cabin (2) by self into and out of air port and connect the internal circulation system that the inside and outside formation in interior cabin is purified into and out of the pipeline in air port to air; External circulating system is connected with internal circulation system and makes internal circulation system carry out filtration, purification to the air through filtration, temperature adjustment, damping of being come in by external circulating system; On internal circulation system also purification assembly test macro in parallel to carry out purification assembly performance test; External circulating system is connected with VMC (Ventilation Mechanical Control System); Internal circulation system is also connected with exhaust system, and internal circulation system is also connected with sampling system, is also provided with pollutant generation systems in internal circulation system.
2. environmental testing cabin system according to claim 1, it is characterized in that: described external circulating system comprises: be located at the first outer cabin air outlet A, the first outer cabin air inlet F on outer cabin, the first outer cabin air outlet A, the first outer cabin air inlet F are connected and are made to be connected to form external circulating system inside and outside outer cabin by pipeline, are provided with the conditioner of an adjustable speed fan (3) and adjusting air themperature, humidity and new wind on external circulating system; Internal circulation system comprises and is located at the first interior cabin air outlet G on interior cabin (1), interior cabin air inlet I; The first interior cabin air outlet G is connected and is made the inside and outside internal circulation system that is connected to form in interior cabin by pipeline with interior cabin air inlet I; On cabin, being also provided with outside the second outer cabin air outlet H, the second outer cabin air outlet H is connected with internal circulation system and is realized being connected of external circulating system and internal circulation system by outer cabin outlet valve (13); On internal circulation system, be also connected with the second buncher (12), flowmeter (14) and gas purification filter assemblies, on internal circulation system, be also provided with assembly air inlet valve (15), the assembly outlet valve (21) of the parallel connection of gas purification filter assemblies and prepare against and be connected with tested purification assembly (22); External circulating system is connected with new wind air inlet E by new wind blow valve (4); Interior cabin (2) is provided with the second interior cabin air outlet D, and the second interior cabin air outlet D is connected with external circulating system by outer cabin air inlet valve (9), the second outer cabin air inlet B; The second interior cabin air outlet D is also connected with atmosphere by the exhaust system being comprised of outlet valve (8), absorbent charcoal adsorber (26), air outlet C; Sampling system thief hatch is located on interior cabin, the pollutant generator of pollutant generation systems (23) is located in interior cabin (2).
3. environmental testing cabin system according to claim 2, it is characterized in that: conditioner is comprised of the first roughing efficiency air filter (5) connecting successively, refrigerating plant (6), heating arrangement (7), damping device (27), the first roughing efficiency air filter 5 is connected with new wind air inlet E by new wind blow valve (4).
4. environmental testing cabin system according to claim 3, is characterized in that: described gas purification filter assemblies comprises filtering inlet air valve (16), the second roughing efficiency air filter (17), chemical filter (18), the high efficiency particulate air filter (19) connecting successively and filters out air-valve (20).
5. environmental testing cabin system according to claim 4, it is characterized in that: in described outer cabin (1), be provided with turbofan (25) and stir evenly air and it is flowed, in interior cabin (2), be provided with for increasing air velocity in cabin, can make pollutant be uniformly distributed in the whole test space, increase the fan (10) of the reliability of single-point sampled result.
6. environmental testing cabin system according to claim 5, is characterized in that: the cabin body in described outer cabin (1) is connected by buckle mode by polylith storehouse plate, and teflon bar sealing for gap, fills insulating heat insulating material between bulkhead; Interior cabin (2) is welded to connect by polylith stainless steel, and inwall is polishing stainless steel surface.
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Application publication date: 20140319 |