CN105239877A - Operation method of intelligent ventilating window - Google Patents
Operation method of intelligent ventilating window Download PDFInfo
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- CN105239877A CN105239877A CN201510751834.0A CN201510751834A CN105239877A CN 105239877 A CN105239877 A CN 105239877A CN 201510751834 A CN201510751834 A CN 201510751834A CN 105239877 A CN105239877 A CN 105239877A
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Abstract
The invention discloses an operation method of an intelligent ventilating window. The method is carried out through the steps that the ventilating window is not opened when cold weather occurs such as that the outdoor temperature is less than -10 DEG C; the ventilating window with the filtering efficiency of 90% is not opened when the outdoor air quality level exceeds the level 5; the ventilating windows with the filtering efficiency of 71% and 40% are not opened when the outdoor air quality level exceeds the level 4; a draught fan is started at a lower gear to supply fresh air into a room when the indoor air quality level does not exceed the level 3, so as to meet the demand on fresh air; and the draught fan of the ventilating window is started at a higher gear to supply air within a short time when the indoor air quality level exceeds the level 3 and on the premise that the indoor thermal comfort requirement is met, so as to improve the indoor air quality to reach the indoor air quality level 2, and then the draught fan is kept at the lower gear to supply air to maintain the high indoor comfort level and to meet the demand on fresh air. With the adoption of the method, the data basis is provided to develop the ventilating window into an intelligent fresh air system; the indoor air quality can be effectively improved; the energy can be saved.
Description
Technical field
The present invention relates to the vent window field with ventilation cleaning function, more particularly, relate to the operation method of Intelligent ventilation window.
Background technology
Indoor environment is that people contact the closest external environment, and along with the raising of living standards of the people, the requirement of people to indoor thermal environment and air quality is more and more higher, and the quality of indoor environment directly has influence on the efficiency of people's study and work and healthy.Ventilate and be to provide the most effective means of high-quality indoor environmental quality, but outdoor environment pollutes day by day serious, haze weather took place frequently in recent years, and directly ventilating does not reach the effect improving indoor air quality, and adopts the device adding purification that ventilates effectively to solve the problem.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of operation method of Intelligent ventilation window.
The operation method of Intelligent ventilation window of the present invention, the forms of Intelligent ventilation window set gradually strainer and blower fan by outside to indoor, pm2.5 concentrations detectors and hygrosensor are installed in vent window outside, and described blower fan, pm2.5 concentrations detectors and hygrosensor be connection control chip respectively; Its operation method carries out according to following step: when outside temperature is less than the colder situation of-10 DEG C of grades, vent window is not opened; For the vent window of filter efficiency 90%, when outer air level index is higher than Pyatyi, vent window is not opened; Filter efficiency is respectively to the vent window of 71% and 40%, when outer air level index is higher than level Four, vent window is not opened; When room air index is lower than three grades, opens blower fan low-grade location to the new wind of indoor feeding, meet new wind demand; When room air index is higher than three grades, under the prerequisite meeting indoor thermal comfort requirement, vent window first utilizes the high tap position short time to blow, improving indoor air quality makes indoor air quality index reach secondary, keep low-grade location air-supply afterwards, comparatively high degree of comfort in holding chamber, meets new wind demand.
Compared with prior art, the invention has the beneficial effects as follows:
The domestic and international research to vent window is less now, major part vent window is in form similar to double-layered glass facade, and vent window of the present invention is different from double-layered glass facade, by being arranged on blower fan on window frame to indoor air-supply, and strainer is set, can PM effectively in filtration chamber's external environment
2.5deng particle, ensure that it is clean for sending into indoor new wind, thus can dilution chamber's internal contamination substrate concentration, improve indoor air quality.
The domestic and international research to vent window now is just confined to improve in the performance of vent window self, the operating scheme that the present invention is directed to vent window is studied, for vent window provides data basis to Intelligent fresh air system development, intelligent behaviour system controls ventilation system (switch, gear regulate) according to the indoor and outdoor surroundings qualitative data real-time monitored, more effectively improve indoor air quality, energy conservation.
Accompanying drawing explanation
Fig. 1 is vent window structural scheme of mechanism of the present invention;
Fig. 2 is summer condition vent window operating scheme flow chart;
Fig. 3 is cold conditions vent window operating scheme flow chart;
Fig. 4 is operating scheme flow chart of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, Intelligent ventilation window of the present invention, forms set gradually strainer 1 and blower fan 2 by outside to indoor, and pm2.5 concentrations detectors and hygrosensor are installed in vent window outside, and described blower fan, pm2.5 concentrations detectors and hygrosensor be connection control chip respectively.
The operating scheme of ventilating window is developed, need to consider the factors such as indoor and outdoor temperature, the class of pollution, ventilator filter efficiency and air output, research ventilating window is under different chamber's outer air quality requirements, open the influence degree of the different gear of vent window to indoor PM2.5 concentration and indoor thermal comfort, for the operating scheme establishing ventilating window provides foundation.
(1) experimental study
Table 1 experiment content
Test obtains the operating scheme of vent window as shown in Figure 2 by experiment, is 35 DEG C for summer condition outside temperature, when vent window filter efficiency is 40%, and the first outer PM of test cabinet
2.5concentration, when outdoor air level index is higher than level Four, even if outdoor new wind filters through vent window, but PM
2.5concentration still very high, when therefore outdoor pollution condition is severe contamination, for the vent window that filter efficiency is lower, can adopt low-grade location blow meet new wind requirement or close vent window, air output is excessive can increase the weight of indoor pollution on the contrary.When outdoor air level index is lower than level Four, continue PM in test cabinet
2.5concentration, when indoor initial air quality is higher than three grades, when indoor initial environment is relatively poor, vent window can effective filtration chamber's outer air, passes into new wind and carries out ventilation to indoor, purify the air of a room, and vent window gear is higher, indoor purifying degree is higher, and therefore, now vent window is suitable for opening high tap position; When indoor initial air quality is lower than three grades, indoor PM
2.5concentration is lower, and air quality is better, now can open vent window low-grade location and send into new wind, meet the demand of people to new wind.After opening vent window, it is better that indoor close vent window near zone affects indoor air quality by vent window.For summer condition, open vent window less on indoor thermal environment impact, meet the requirement of indoor thermal comfort.
Table 2 air quality index and relevant information
(2) FLUENT software simulation is utilized to study vent window to the impact of indoor air quality
Lower from the ventilating window filter efficiency of the known experimental study of experimental studies results, air quantity is little, it is not enough to improving performance in indoor air quality when outdoor pollution concentration is higher, situation about considering in experimental study operating scheme is also less, therefore continues to adopt the method for numerical simulation to do a step research to operating scheme.Numerical simulation is that one facilitates direct research means, and can carry out expansion research on the basis of experiment, this research and utilization FLUENT carries out numerical simulation, sets up physical model, makes further research vent window operating scheme.
Numerical simulation increases according to actual conditions the operating mode that filter efficiency is high-medium efficient and middle effect, compares the span that experiment improves air output, and increase the operating mode that filter efficiency is 90%, 71%, air output chooses 32m
3/ h, 43m
3/ h, 53m
3/ h tri-operating modes.Increase outside temperature considering on the factor of influence bases such as outdoor pollution concentration, air output.According to analog result in different ventilator filter efficiency, Outdoor Air Quality, outside temperature situation, when vent window arranges different air output, indoor temperature field, velocity field and PM
2.5concentration field is analyzed.Under obtaining different situations by analog study, ventilator is to indoor PM
2.5the influence degree of concentration and thermal comfort, for determining that vent window operating scheme provides foundation.
Table 3 numerical simulation study content
According to the result of numerical simulation, obtain the operating scheme of ventilating window as shown in Figure 3.When outside temperature is less than the colder situation of-10 DEG C of grades, open vent window due to the indoor and outdoor surroundings temperature difference and can have an impact to indoor thermal environment to the new wind of indoor feeding, cause indoor thermal comfort to reduce, human body percent dissatisfied is higher, now should not open vent window; When outdoor environment temperature for-3 to 6 DEG C etc. be slightly cold situation time, although open vent window can reduce interior temperature, meet the requirement of thermal comfort, improve indoor air quality.
When outside temperature is greater than-10 DEG C, the outer PM of measuring chamber
2.5concentration, for the vent window of filter efficiency 90%, when outdoor air level index is higher than Pyatyi, vent window should not be opened.When outdoor air level index is lower than Pyatyi, continue PM in test cabinet
2.5concentration, when indoor initial air quality is higher than three grades, vent window air output is set to 32m
3/ h, 43m
3/ h, 53m
3/ h effectively can remove indoor pollutant.For the vent window of filter efficiency 71%, when outdoor air level index is higher than level Four, vent window should not be opened.When outdoor air level index is lower than level Four, when indoor initial air quality is higher than three grades, be suitable for opening vent window, but ventilation is 32m
3the operating mode indoor PM after 2 hours of/h
2.5concentration just reaches secondary limit value.When outdoor air level index is lower than level Four, when indoor initial air quality is lower than three grades, filter efficiency be 90% or 71% vent window be all suitable for opening low-grade location to the new wind of indoor feeding, meet new wind demand.
Under the prerequisite meeting indoor thermal comfort requirement, vent window can first utilize the high tap position short time to blow, and reduces indoor PM
2.5concentration reaches kilter (indoor air quality index is secondary), keep low-grade location air-supply afterwards, reduce because opening vent window to the impact of indoor thermal comfort, while effective removal indoor pollutant, higher temperature in holding chamber, reduces the air conditioner load increased because sending into outdoor new wind.
(3) vent window operating scheme of the present invention is as shown in Figure 4:
During haze sky, outside atmosphere is seriously polluted, ventilation of should not directly windowing, and ventilating window has ventilation cleaning function, can not directly window to carry out ventilation to indoor, improves indoor air quality.This research is studied the performance that vent window improves indoor air quality by the method for numerical simulation and experiment test, finally sets up novel intelligent vent window operating scheme, main operating scheme and conclusion as follows:
When outside temperature is less than the colder situation of-10 DEG C of grades, vent window should not be opened.For the vent window of filter efficiency 90%, when outer air level index is higher than Pyatyi, vent window should not be opened.For filter efficiency 71%, and the vent window of 40%, when outer air level index is higher than level Four, vent window should not be opened.When room air index is lower than three grades, is suitable for opening low-grade location to the new wind of indoor feeding, meets new wind demand.When room air index is higher than three grades, under the prerequisite meeting indoor thermal comfort requirement, vent window can first utilize the high tap position short time to blow, improving indoor air quality makes indoor air quality index reach secondary, keep low-grade location air-supply afterwards, comparatively high degree of comfort in holding chamber, meets new wind demand.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. the operation method of an Intelligent ventilation window, it is characterized in that, the forms of Intelligent ventilation window set gradually strainer and blower fan by outside to indoor, pm2.5 concentrations detectors and hygrosensor are installed in vent window outside, and described blower fan, pm2.5 concentrations detectors and hygrosensor be connection control chip respectively; Its operation method carries out according to following step: when outside temperature is less than the colder situation of-10 DEG C of grades, vent window is not opened; For the vent window of filter efficiency 90%, when outer air level index is higher than Pyatyi, vent window is not opened; Filter efficiency is respectively to the vent window of 71% and 40%, when outer air level index is higher than level Four, vent window is not opened; When room air index is lower than three grades, opens blower fan low-grade location to the new wind of indoor feeding, meet new wind demand; When room air index is higher than three grades, under the prerequisite meeting indoor thermal comfort requirement, vent window first utilizes the high tap position short time to blow, improving indoor air quality makes indoor air quality index reach secondary, keep low-grade location air-supply afterwards, comparatively high degree of comfort in holding chamber, meets new wind demand.
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| CN201510751834.0A CN105239877A (en) | 2015-11-06 | 2015-11-06 | Operation method of intelligent ventilating window |
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| CN201510751834.0A CN105239877A (en) | 2015-11-06 | 2015-11-06 | Operation method of intelligent ventilating window |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106123207A (en) * | 2016-06-20 | 2016-11-16 | 珠海格力电器股份有限公司 | The control method of new blower fan and control device |
| CN109028502A (en) * | 2018-06-25 | 2018-12-18 | 天津大学 | A kind of residential architecture gravity-flow ventilation intelligent regulating system |
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| CN103930730A (en) * | 2011-09-27 | 2014-07-16 | 夏普株式会社 | Air purifier |
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| JP2015132427A (en) * | 2014-01-14 | 2015-07-23 | 株式会社ハマダ工商 | Air conditioning system of building with opened or closed window |
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| CN106123207A (en) * | 2016-06-20 | 2016-11-16 | 珠海格力电器股份有限公司 | The control method of new blower fan and control device |
| CN109028502A (en) * | 2018-06-25 | 2018-12-18 | 天津大学 | A kind of residential architecture gravity-flow ventilation intelligent regulating system |
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