CN100432571C - Solar energy enhanced natural ventilating and green lighting system - Google Patents

Solar energy enhanced natural ventilating and green lighting system Download PDF

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Publication number
CN100432571C
CN100432571C CNB200610078633XA CN200610078633A CN100432571C CN 100432571 C CN100432571 C CN 100432571C CN B200610078633X A CNB200610078633X A CN B200610078633XA CN 200610078633 A CN200610078633 A CN 200610078633A CN 100432571 C CN100432571 C CN 100432571C
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China
Prior art keywords
ventilation passage
solar energy
inclined roof
chimney
thermal collector
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Expired - Fee Related
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CNB200610078633XA
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Chinese (zh)
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CN1844788A (en
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鹿院卫
马重芳
吴玉庭
王伟
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Beijing University of Technology
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Beijing University of Technology
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers

Abstract

The present invention relates to a solar energy enhanced natural ventilating and green lighting system, which belongs to the energy saving field of buildings. The device comprises a light conduit system (7), an inclined roof (2), a ceiling (3) which is connected with the inclined roof (2), a solar energy heat collector (4), a ventilating path (5), a heat-storage wall (12), a thermal-insulating wall (13), a chimney (6), a first valve (9), and second valves (10), wherein the solar energy heat collector is arranged on the top of the inclined roof; the ventilating path is arranged between the solar energy heat collector and the insulating wall; the chimney is arranged on the top of the inclined roof and is connected with the ventilating path; the center of the chimney is coaxially provided with a green light conduit system for lighting; the end of the ventilating path is provided with the first valve at the inlet which enters the chimney, and the second valves are arranged among the end of the ventilating path, the insulating wall, and the light conduit system. The system overcomes the shortage that a press head which simply uses natural ventilation is small, and the internal ventilating efficiency of the buildings is increased.

Description

Solar energy enhanced natural ventilating and green lighting system
Technical field
The present invention relates to a kind of solar energy enhanced natural ventilating and green lighting system, native system mainly is to utilize the luminous energy of the sun to realize the building green illumination, utilize the heat energy of the sun to strengthen the building gravity-flow ventilation, realize building heating in winter, summer air-conditioning and transition season gravity-flow ventilation simultaneously, reach the purpose of building energy conservation, belong to building energy saving field.
Background technology
China's building energy consumption is surprising, builds and use 46.7% (Ministry of Construction's statistics) that building is direct, the energy that consume indirectly accounts for whole society's total energy consumption.95% does not reach energy conservation standard in the present existing building of China, energy-conservationly in the newly-increased building up to standard does not still surpass eighty per cant, and unit construction area energy consumption is 2 to 3 times of developed country, and society has been caused heavy energy burden and serious environmental pollution.And in these high energy consumption buildings, the illumination energy consumption accounts for 20～30% of whole building energy consumption, and air conditioner refrigerating and heating energy consumption account for 50%-60% greatly.Save lighting and the HVAC energy consumption has become a problem that can not be ignored.
Photoconductive tube (Light Pipe) technology is a kind of effective means that solar energy utilizes, it not only can be guided to other method to light and can not reach or have only the local of faint light but also not produce too much heat again, also can improve building indoor air quality (only the natural daylight of 50lux just can significantly alleviate those feelings of lonely the people of underground activities) simultaneously.Photoconductive tube can extensive use in communal facility such as school, museum, office building, stadiums, public lavatory, destructor plant and industry and civil buildings, the particularly inflammable and explosive back room that waits dangerous situation, toilet, basement, garage, mine, building, can realize utilizing wholly or in part daytime natural lighting, save electric energy greatly, thereby reduce the SO that produces because of generating 2, CO 2, NO 2Deng waste gas and floating dust, reach the purpose of protection environment.In addition, utilize the solar heat of light pipes transmit also to lack than window, can prevent summer inner hotly, can prevent thermal loss winter, has positive effect for building energy conservation.
It is in the technical innovation of photoconductive tube that the photoconductive tube technology is combined with aeration technology, both can realize illumination, can realize the building room ventilation again, improves the indoor resh air requirement of building.A kind of light pipe system with photocatalysis air-cleaning and gravity-flow ventilation function is disclosed in applicant's patent ZL200420118097.8, adopt transmission line and vent passages coaxial arrangement, photoconductive tube is arranged in the central authorities of vent passages, only play the leaded light illumination, circular passage between photoconductive tube and the air channel is then as building room ventilation passage, simultaneously at the astigmatic surperficial plated with photocatalysis film of the photoconductive tube of building, under the irradiation of light, realize indoor air purification, improve indoor air quality.But the hot pressing that blast that this system's gravity-flow ventilation is a dependence wind-force to be caused and indoor-outdoor air temperature difference are produced is flowed air, and it exists shortcomings such as pressure head is little.And, yet there are no any report with the research that the photoconductive tube green lighting technique combines with solar chimney enhanced natural ventilating technology.
Summary of the invention:
The objective of the invention is to overcome the little shortcoming of pressure head of utilizing gravity-flow ventilation to cause merely in the prior art, a kind of solar energy enhanced natural ventilating and green lighting system have been proposed, this system will utilize solar energy enhanced natural ventilating to combine with the photoconductive tube technology, improve the ventilation amount in the building, realized building green illumination, heating in winter, summer air-conditioning and transition season gravity-flow ventilation.
For achieving the above object, the present invention has taked a series of measures.Native system includes light pipe system 7, it is characterized in that: the ceiling 3 that also include inclined roof 2, links to each other, air second valve 10 in the air inlet chamber in first valve 9 of outdoor discharge, control ventilation passage 5 in solar thermal collector 4, ventilation passage 5, Heat Storing Wall 12, adiabatic wall 13, chimney 6, the control ventilation passage 5 with inclined roof 2; Wherein, solar thermal collector 4 is positioned at inclined roof 2 tops, Heat Storing Wall 12 is positioned at solar thermal collector 4 belows, adiabatic wall 13 is positioned at the top of inclined roof 2, ventilation passage 5 is between solar thermal collector 4 and adiabatic wall 13, chimney 6 is positioned at inclined roof 2 tops and links to each other with ventilation passage 5, chimney central authorities coaxial arrangement green illumination light pipe system 7, the inlet that enters chimney 6 at ventilation passage 5 ends is provided with first valve 9, and second valve 10 is set between ventilation passage 5 ends, adiabatic wall 13 and light pipe system 7.
Described light pipe system 7 is shaped as cylindrical or square or wedge shape.
Described light pipe system 7 is for seamless photoconductive tube or be seamless photoconductive tube and the combination that the seam photoconductive tube is arranged.
The described device that has seam photoconductive tube internal placement that mean allocation light is arranged.
The described solar thermal collector 4 that is positioned at inclined roof 2 tops is at least one group.
Described Heat Storing Wall 12 is positioned at the top of the ventilation passage 5 of solar thermal collector 4 belows, also can be positioned at bottom, the adiabatic wall top of the ventilation passage 5 of solar thermal collector 4 belows.
What the photoconductive tube light source was sunshine, artificial light source, light-storing material light source, solar source with the combination of the combination of artificial light source, solar source and light-storing material light source or solar source, light-storing material light source and during artificial light source combines is any.
The sunshine photomask 8 at the two ends of light pipe system 7 and diffuser 11 and photoconductive tube positive confinement have been avoided entering of dust, have guaranteed the transmission efficiency of light, have reduced the maintenance cost of system simultaneously.
Heat Storing Wall 12 is used to store the heat energy of the sun, enhanced natural ventilating.Adiabatic wall 13 is used to cut off in the heat inlet chamber that Heat Storing Wall 12 distributes.
This system can realize green illumination, heating in winter, summer air-conditioning and transition season enhanced natural ventilating simultaneously.When realization heating in winter, can will ventilation passage 5 interior air be closed to first valve 9 of outdoor discharge, second valve 10 in the air inlet chamber in the ventilation passage 5 is opened, under the effect of solar thermal energy, the air in the solar thermal collector 4 below ventilation passages 5 is heated, and produces buoyancy like this, move upward in the inlet chamber, the air lower with indoor temperature mixes, and circulation is heated, and can realize the heating in winter under the gravity-flow ventilation function.When realization air-conditioning in summer, can open making ventilation passage 5 interior air discharge the first outdoor valve 9, close making second valve 10 in the ventilation passage 5 interior air inlet chambers, like this summer outdoor temperature be lower than the part day or night of indoor temperature, under the accumulation of heat effect of Heat Storing Wall 12 below the solar thermal collector 4, air in heating and the air channel that Heat Storing Wall links to each other, enhanced natural ventilating, discharge indoor high temperature, highly humid air indoor, under the function of gravity-flow ventilation, realize the air-conditioning in summer, reduce building and use the high energy consumption that produces because of air-conditioning.
Advantage of the present invention is that the solar energy enhanced natural ventilating technology is combined with the photoconductive tube green lighting technique, overcome the little shortcoming of simple dependence gravity-flow ventilation pressure head, improved drafting efficiency in the building, real realization building green illumination and gravity-flow ventilation, reduce constructure ventilation and illumination energy consumption significantly, reduce building energy consumption.
Description of drawings
Fig. 1, solar energy enhanced natural ventilating and green lighting system cutaway view 1.
Fig. 2, solar energy enhanced natural ventilating and green lighting system cutaway view 2.
Fig. 3, solar energy enhanced natural ventilating and green lighting system cutaway view 3.
Fig. 4, solar energy enhanced natural ventilating with meet photoconductive tube green lighting system cutaway view 1.
Fig. 5, solar energy enhanced natural ventilating with meet photoconductive tube green lighting system cutaway view 2.
Fig. 6, meets photoconductive tube green illumination and artificial light source illuminator cutaway view 1 at solar energy enhanced natural ventilating.
Fig. 7, meets photoconductive tube green illumination and artificial light source illuminator cutaway view 2 at solar energy enhanced natural ventilating.
Fig. 8, solar energy enhanced natural ventilating and green lighting system cutaway view 4.
Fig. 9, solar energy enhanced natural ventilating with meet photoconductive tube green lighting system cutaway view 3.
Figure 10, solar energy enhanced natural ventilating with meet photoconductive tube green lighting system cutaway view 4.
Figure 11, meets photoconductive tube green illumination and artificial light source illuminator cutaway view 3 at solar energy enhanced natural ventilating.
Figure 12, meets photoconductive tube green illumination and artificial light source illuminator cutaway view 4 at solar energy enhanced natural ventilating.
Among the figure: 1, building, 2, inclined roof, 3, ceiling, 4, solar thermal collector, 5, ventilation passage, 6, chimney, 7, light pipe system, 8, sunshine photomask, 9, first valve, 10, second valve, 11, diffuser, 12, Heat Storing Wall, 13, adiabatic wall, 14, the device of mean allocation light, 15, outdoor daylight, 16, solar radiation, 17, room air, 18, artificial light source, 19, the seam photoconductive tube arranged
The specific embodiment
Embodiment 1
As shown in Figure 1, present embodiment is to realize solar energy enhanced natural ventilating and green lighting system at building 1, the ceiling 3 that this system mainly includes inclined roof 2, links to each other with inclined roof 2, air second valve 10 in the air inlet chamber in first valve 9 of outdoor discharge, control ventilation passage 5 in solar thermal collector 4, ventilation passage 5, Heat Storing Wall 12, adiabatic wall 13, chimney 6, the control ventilation passage 5; Wherein, solar thermal collector 4 is positioned at inclined roof 2 tops, Heat Storing Wall 12 is positioned at solar thermal collector 4 belows, ventilation passage 5 is between solar thermal collector 4 and adiabatic wall 13, chimney 6 is positioned at inclined roof 2 tops and links to each other with ventilation passage 5, chimney central authorities coaxial arrangement green illumination light pipe system 7, the inlet that enters chimney 6 at ventilation passage 5 ends is provided with first valve 9, and second valve 10 is set between ventilation passage 5 ends, adiabatic wall 13 and light pipe system 7.
Heat Storing Wall 12 is used to store the solar thermal energy that heat collector 4 absorbs, and adiabatic wall 13 cuts off the heat exchange between ventilation passage 5 interior air and the inclined roof 2, stops in the sun in summer radiation inlet chamber.Central coaxial arrangement green illumination light pipe system 7 at chimney 6, be provided with sunshine photomask 8 at the top of light pipe system 7, like this under the effect of solar energy, outdoor daylight 15 is under the light harvesting of sunshine photomask 8, by photoconductive tube 7 that outdoor sunshine importing is indoor, realize natural lighting.End at photoconductive tube 6 is buckled with diffuser 11, prevents that light source from producing glare phenomenon, prevents that simultaneously outdoor dust from entering photoconductive tube 7 inside, reduces the light conduction effect of photoconductive tube 7.
First valve 9 and second valve 10 are used to change the trend of the air-flow in the ventilation passage 5 under the different weather conditions.Under the effect of solar heat energy, the solar thermal collector 4 that is positioned at inclined roof 2 tops absorbs solar thermal energy, gives Heat Storing Wall 12 with thermal energy transfer, and the air in the ventilation passage 5 of flowing through like this is heated, and air flows and is reinforced.In winter, first valve 9 that will be used for outside the ventilation passage 5 interior air delivery chamber is closed, being used for the second indoor valve 10 of ventilation passage 5 interior air inflows opens, the room air 17 that enters ventilation passage 5 like this is heated by in second valve, 10 inlet chambers, mix with indoor cold air, room air constantly is recycled heating, realizes heating in winter.In summer, be higher than outdoor in indoor temperature, or indoor humidity higher part daytime and evening, first valve 9 to be opened, second valve 10 is closed, indoor hot and humid air enters ventilation passage 5 and is heated, can under the reinforcement of solar thermal energy, discharge outdoorly, utilize the heat that daytime, Heat Storing Wall 12 stored at night, the air heat in the ventilation passage 5, the discharge of high temperature, highly humid air in the accelerating chamber realizes summer air-conditioning.At transition season, can utilize solar thermal energy to strengthen the building gravity-flow ventilation, improve the building indoor air quality.
Embodiment 2
As shown in Figure 2, implementation process and scheme 1 are similar, just Heat Storing Wall 12 are arranged in the top of ventilation passage 5 bottoms, adiabatic wall 13, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 3
As shown in Figure 3, implementation process and scheme 1 are similar, and just one group of solar thermal collector 4 has been arranged in the top of inclined roof 2, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 4
As shown in Figure 4, implementation process and scheme 1 are similar, just the end of light pipe system 7 is used in combination realization daylighting with seam photoconductive tube 19 is arranged, in seam photoconductive tube 19 is arranged, arrange simultaneously and be used for the light of outdoor importing is averaged assigned unit 14, such device comprises reflective mirror, realizes that indoor light evenly throws light on.
Embodiment 5
As shown in Figure 5, implementation process and scheme 4 are similar, and just one group of solar thermal collector 4 has been arranged in the top of inclined roof 2, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 6
As shown in Figure 6, implementation process and scheme 4 are similar, have just arranged artificial light source 18, the room lighting when being implemented in evening or natural lighting insufficient strength at the two ends that seam photoconductive tube 19 is arranged.
Embodiment 7
As shown in Figure 7, implementation process is similar with scheme 5, has arranged artificial light source 18, the room lighting when being implemented in evening or natural lighting insufficient strength at the two ends that seam photoconductive tube 19 is arranged.
Embodiment 8
As shown in Figure 8, implementation process and scheme 2 are similar, and just one group of solar thermal collector 4 has been arranged in the top of inclined roof 2, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 9
As shown in Figure 9, implementation process and scheme 4 are similar, just Heat Storing Wall 12 are arranged in the top of ventilation passage 5 bottoms, adiabatic wall 13, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 10
As shown in figure 10, implementation process and scheme 5 are similar, just Heat Storing Wall 12 are arranged in the top of ventilation passage 5 bottoms, adiabatic wall 13, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 11
As shown in figure 11, implementation process and scheme 6 are similar, just Heat Storing Wall 12 are arranged in the top of ventilation passage 5 bottoms, adiabatic wall 13, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.
Embodiment 12
As shown in figure 12, implementation process and scheme 7 are similar, just Heat Storing Wall 12 are arranged in the top of ventilation passage 5 bottoms, adiabatic wall 13, realizes indoor heating in winter and summer air-conditioning and the gravity-flow ventilation of transition season, raising building indoor air quality.

Claims (6)

1, solar energy enhanced natural ventilating and green illumination device, this device includes light pipe system (7), it is characterized in that: the ceiling (3) that also include inclined roof (2), links to each other, solar thermal collector (4), ventilation passage (5), Heat Storing Wall (12), adiabatic wall (13), chimney (6), interior the air of control ventilation passage (5) with inclined roof (2) to first valve (9) of outdoor discharge, control second valve (10) in the air inlet chamber in the ventilation passage (5); Wherein, solar thermal collector (4) is positioned at inclined roof (2) top, Heat Storing Wall (12) is positioned at solar thermal collector (4) below, adiabatic wall (13) is positioned at the top of inclined roof (2), ventilation passage (5) is positioned between solar thermal collector (4) and the adiabatic wall (13), chimney (6) is positioned at inclined roof (2) top and links to each other with ventilation passage (5), chimney central authorities coaxial arrangement green illumination light pipe system (7), the inlet that enters chimney (6) at ventilation passage (5) end is provided with first valve (9), at ventilation passage (5) end, between adiabatic wall (13) and the light pipe system (7) second valve (10) is set.
2, solar energy enhanced natural ventilating according to claim 1 and green illumination device is characterized in that: described light pipe system (7) is shaped as cylindrical or square or wedge shape.
3, solar energy enhanced natural ventilating according to claim 1 and green illumination device is characterized in that: described light pipe system (7) is for seamless photoconductive tube or be seamless photoconductive tube and the combination that the seam photoconductive tube is arranged.
4, described solar energy enhanced natural ventilating of claim 3 and green illumination device is characterized in that: the described device (14) that has seam photoconductive tube internal placement that mean allocation light is arranged.
5, solar energy enhanced natural ventilating according to claim 1 and green illumination device is characterized in that: the described solar thermal collector (4) that is positioned at inclined roof (2) top is at least one group.
6, solar energy enhanced natural ventilating according to claim 2 and green illumination device, it is characterized in that: described Heat Storing Wall (12) is positioned at the top of the ventilation passage (5) of solar thermal collector (4) below, or is positioned at bottom, the adiabatic wall top of the ventilation passage (5) of solar thermal collector (4) below.
CNB200610078633XA 2006-04-29 2006-04-29 Solar energy enhanced natural ventilating and green lighting system Expired - Fee Related CN100432571C (en)

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