CN104154619A - Method for driving natural ventilation air conditioning system of building hollow structure to conduct ventilation by solar energy - Google Patents

Method for driving natural ventilation air conditioning system of building hollow structure to conduct ventilation by solar energy Download PDF

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Publication number
CN104154619A
CN104154619A CN201410434853.6A CN201410434853A CN104154619A CN 104154619 A CN104154619 A CN 104154619A CN 201410434853 A CN201410434853 A CN 201410434853A CN 104154619 A CN104154619 A CN 104154619A
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air
water
vent passages
solar
shaped vent
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CN104154619B (en
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钱剑峰
刘亚媛
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Harbin University of Commerce
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Harbin University of Commerce
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal

Abstract

Provided is a method for driving a natural ventilation air conditioning system of a building hollow structure to conduct ventilation by solar energy. The application that solar energy is used for reducing the consumption of non-renewable energy resources is wide, and for high-rise buildings with limited windowing, the difficulty for application of the resources is large. In the method, a hot water loop (1) and a cold water loop (2) are included, the hot water loop comprises a solar water heater (3) which is arranged on a roof of a building, one end of the solar water heater is connected with a hot water pump (11) through a heating pipeline, the two ends of the hot water pump are connected with the heating pipeline, the other end of the heating pipeline is connected with a tail end air conditioning control system (9), coils (10) are mounted in the tail end air conditioning control system, the tail end air conditioning control system is further connected with the other end of the solar water heater, and the tail end air conditioning control system is mounted on a wall, close to the ground, in a room of the building. The method is used for the natural ventilation system of the building hollow structure.

Description

The method of the Driven by Solar Energy ventilating air-conditioning system ventilation of building hollow-core construction
technical field:
the present invention relates to a kind of method of building the Driven by Solar Energy ventilating air-conditioning system ventilation of hollow-core construction.
background technology:
at present with solar energy, reduce the application of consumption of non-renewable energy resources very extensive, but for restricted high level and the high-rise building of windowing, apply this resource difficulty very large.Solar energy is the clean energy resource that the mankind depend on for existence, and applied solar energy can reduce the consumption of non-renewable energy resources, reduces carbon emission simultaneously, reduces the impact of greenhouse effects.The 2013 > > reports of International Energy Agency (IEA) issue < < world energy outlook claim 2035, take wind energy and photovoltaic as main intermittent power supply accounting 45%.System research to regenerative resource Emission Reduction Potential shows, the contribution to building carbon emission reduction of solar energy optical-thermal photovoltaic application and solar energy, from 2010~the year two thousand thirty, can reach 1-5TtC/a~15-30 TtC/a.
research constantly developmental research and application at present by solar energy for building nature ventilation, gravity-flow ventilation is a kind of energy-conservation, green technology measure that can improve indoor thermal comfort and improve indoor air quality, gravity-flow ventilation utilizes blast, utilizes hot pressing, blast and several forms such as hot pressing combines realizing in principle, modern humans is that comprehensive utilization indoor and outdoor condition realizes to the utilization of gravity-flow ventilation, as according to building surrounding environment, architectural composition, Architectural Construction, solar radiation, weather, indoor thermal source etc., organize and induce gravity-flow ventilation.Meanwhile, in Architectural Construction, the optimal design by members such as Zhongting, double-layer curtain wall, door and window, roofs, realizes good effect of natural ventilation.In various Natural Ventilation Technology In One Greens, double-layered glass facade is a kind of comparatively advanced technology, for restricted high level and the high-rise building of windowing, this technology is a kind of conservation measures of making to measure, between the double glazing of double-layered glass facade, leave larger space, be often called as " breathing curtain wall ".In the winter time, double glazing interlayer forms sun glasshouse, improves architectural exterior-protecting construction surface temperature; In summer, can utilize stack effect to ventilate in layer.Simulation of air flow result shows, this structure can greatly reduce building cooling load, improves gravity-flow ventilation efficiency.Zhang Huimin to Architectural Atrium neutral plane analyze, think that Zhongting and neutral plane height increase along with the increase of sky window ara, but keep away Zhongting and skylight are unavoidably set under construction.A kind of Natural Ventilation Technology In One Green that combines the auxiliary stack effect of solar energy and intelligent curtain wall construction is also explored by the team of Matthew Herman.
under the dual-pressure of energy scarcity and ecological deterioration, building air conditioning still has its irreplaceable importance, yet air conditioning energy consumption accounts for 30% of building energy consumption according to statistics, and the proportion of air conditioning energy consumption strengthens year by year, conventional air-conditioning energy consumption is large, large to ambient influnence, be badly in need of finding a kind of novel air conditioning mode and substitute conventional air-conditioning, alleviate the pressure of energy consumption and environment.
in the engineering application of hollow brick building, hollow brick has saving material, build efficiency by laying bricks or stones high, insulation and permeability are good etc., as new materials for wall, researcher both domestic and external did a lot of tests to various brickworks, wherein the experiment of the axial compressive strength of hollow brick was shown to the axial compressive strength of brickwork equals or a little more than the masonry of same label solid brick.Reason is that the size of hollow brick is generally larger, thicker than solid brick, and in measure-alike resistance to compression test specimen, the mortar joint of hollow brick test specimen is few, and mortar joint is little on the impact of the impact comparison solid brick of test specimen intensity.Therefore brickwork compression strength will be higher than solid brick; The research of the shearing strength of brickwork is shown to its shearing strength equals or a little more than solid brick shear strength of masonry.This is because the surface of hollow brick is generally coarse than solid brick, more tight with mortar combination, and the mortar in brickwork enters in people's hollow brick cavity, form the pin key of inserting people's hollow brick, the shearing strength of brickwork is improved, and the G.SCHELLBACH of Germany thinks: when hole ratio is no more than 35%, hollow brick wall intensity is higher, but once hole ratio, reach 40%~55%, the intensity of hollow brick wall will reduce.
driven by Solar Energy multifunction natural ventilation and air conditioning system design studies based on building hollow-core construction is significant, on the Research foundation of BIPV, theoretical in conjunction with the hot pressing of gravity-flow ventilation stack effect, utilize the air space of building hollow-core construction as vent passages, energy-conservation, material-saving; Select clean solar energy as drive energy, reduce the discharge capacity of conventional energy resource CO2 and other pollutant.Whole system can substitute the operation of air-conditioning unit, improves indoor air quality and thermal comfort, reduces air conditioning energy consumption and carbon emission.
summary of the invention:
the object of this invention is to provide a kind of method of building the Driven by Solar Energy ventilating air-conditioning system ventilation of hollow-core construction
above-mentioned object realizes by following technical scheme:
a kind of Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, its composition comprises: hot water circuit, cold water loop, described hot water circuit comprises solar water heater, described solar water heater is placed in building roof, described solar water heater one end is connected with heat-exchanger pump by heat supply pipeline, described heat-exchanger pump two ends are connected with heat supply pipeline, the described heat supply pipeline other end is connected with end air-conditioner control system, coil pipe is installed in described end air-conditioner control system, described end air-conditioner control system is also connected with the other end of described solar water heater, described end air-conditioner control system is arranged on Indoor environment.
the described Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, described cold water loop comprises water storage tank, described water storage tank is placed in building roof, described water storage tank one end is connected with water supply pump by cooling pipeline, described water supply pump two ends are connected with cooling pipeline, described cooling pipeline is connected with described heat supply pipeline, the described cooling pipeline other end is connected with chilled water coil one end, described chilled water coil is placed in evaporative cooling passage, fin is arranged on described chilled water coil surface, the described chilled water coil other end is connected with described end air-conditioner control system, described end air-conditioner control system is connected with the other end of described water storage tank, sprinkling equipment is installed in described chilled water coil top, described sprinkling equipment is connected with feeding spraying pump by spray piping, described feeding spraying pump is connected with shower water recover, described sprinkling equipment is to chilled water coil top spraying cooling water, described cooling water is finally recovered in shower water recover.
the described Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, described heat supply pipeline is in parallel with described cooling pipeline, described heat supply pipeline and described cooling pipeline are installed electronic expansion valve, by by-pass valve control, carry out the unlatching of control loop, described heat supply pipeline and described cooling pipeline merge in the porch of described end air-conditioner control system, exit at described end air-conditioner control system is separated, connects respectively described solar water heater and described water storage tank.
the described Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, U-shaped vent passages is equipped with in described end air-conditioner control system outside, described U-shaped vent passages one side is evaporative cooling passage, described U-shaped vent passages is arranged in building hollow-core construction, the hollow passageway that described building hollow-core construction is comprised of hollow brick boring gap, described U-shaped vent passages is merged and is formed by ground part and under ground portion; The construction wall of described hollow-core construction is photovoltaic electroplax construction wall, solar photovoltaic cell panel is laid on described photovoltaic electroplax construction wall surface, glass cover-plate is laid on described solar photovoltaic cell panel surface, in described glass cover-plate and described solar photovoltaic cell panel gap, form photovoltaic electroplax air space, described photovoltaic electroplax air space one side is connected with the air-introduced machine of Driven by Solar Energy, and described photovoltaic electroplax air space opposite side is connected with U-shaped vent passages.
the described Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, accessory fan is installed on described U-shaped vent passages one side top, waste heat recovery finned heat exchanger is installed on described U-shaped vent passages opposite side top, described waste heat recovery finned heat exchanger one end is connected with waste heat recovery water circulating pump by circulation waterway, the other end of described waste heat recovery water circulating pump is connected with waste heat recovery plate type heat exchanger, the water storage tank of the solar water heater of one end of described waste heat recovery plate type heat exchanger and described hot water circuit and described cold water loop is connected formed loop in parallel and connects, the other end of described waste heat recovery plate type heat exchanger is connected with loop waste heat recovery water circulating pump in parallel, described loop waste heat recovery water circulating pump in parallel is placed in loop in parallel, the two places box out on Indoor environment body of wall of described U-shaped vent passages, one described of box out is positioned near on the body of wall on ground, one is positioned near on the body of wall of ceiling, end air-conditioner control system is installed in box out on the body of wall on described close ground, and exhaust outlet is installed in the box out on the body of wall of described close ceiling.
a kind of method of utilizing the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, comprise: wind circulation process, evaporative cooling flow process, the circulation of waste heat recovery wind and photovoltaic heat exchange four major parts, it is characterized in that: during winter operation: valve V1, V3, V4, V5, V18, V19, V20 opens, all the other valve closings, the hot water of solar water heater heating enters end air-conditioner control system by heat-exchanger pump, after the interior cold of absorption chamber, temperature reduces, by valve V15, the pipeline at V18 place is got back to circulating-heating in described solar water heater, during summer operation, valve V1, V3, V4, V5, V18, V19, V20 close, all the other valve opens, water in water storage tank enters in evaporative cooling passage in the chilled water coil with fin by water supply pump, the cold water being cooled enters after the interior heat of end air-conditioner control system absorption chamber, by valve V15, V21, V24 pipeline, gets back to circulating cooling in water storage tank.
the method of the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, . described wind circulation process is, solar radiation drives the air-introduced machine of described Driven by Solar Energy to described photovoltaic electroplax construction wall surface air-supply to described photovoltaic electroplax construction wall surface generating, air and photovoltaic electroplax surface heat convection, temperature is sent in described U-shaped vent passages after raising, make air-flow be subject to stack effect effect, air part parallel connection mobile in described U-shaped vent passages enters Indoor environment by described end air-conditioner control system, Air Distribution be under the replacement aeration of the row of serving, air indoor complete heat exchange after because buoyancy lift is carried dirty air and drained into the other end of described U-shaped vent passages by described exhaust outlet.Another part air is done power cycle in described U-shaped vent passages.
the method of the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, . described evaporative cooling flow process is, the described cooling pipeline of the water of described water storage tank by valve place enters in described evaporative cooling passage the described chilled water coil with fin, by described sprinkling equipment in fin surface spray water mist, described sprinkling equipment is arranged on described U-shaped vent passages one side, its inside has air-flow to flow according to tetra-arrows of ABCD, accelerate the moisture evaporation on fin, moisture evaporation endothermic on wet fin, cause coolant-temperature gage in described chilled water coil to reduce, by valve V9, enter described end air-conditioner control system.
the method of the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction,. described waste heat recovery wind circulation is, the finned heat exchanger that the air draft side of described U-shaped vent passages arranges described in one is done waste heat recovery, to absorb the entrained energy of air of discharging from described U-shaped vent passages, waste heat recovery water circulation, described finned heat exchanger absorbs the air waste heat of described U-shaped vent passages, under the effect of described waste heat recovery water circulating pump, by heat-carrying agent, circulate and enter described waste heat recovery plate type heat exchanger, under the effect of described loop water circulating pump in parallel, the medium that is loaded with waste heat recovery energy enters described solar water heater or described water storage tank by the control of described loop valve in parallel, the Cooling and Heat Source side valve opening control of two season of summer in winter is, summer V27, V29, V30, V31 opens, V28 closes, winter V28, V29, V31 opens, V27, V30 closes.
the method of the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction,. described photovoltaic heat exchange is, air and surface of photovoltaic cell panel heat convection in photovoltaic electroplax air space, temperature enters described U-shaped vent passages after raising, under the hot pressing function of stack effect, impel the air circulation in described U-shaped vent passages; Described accessory fan is set in described U-shaped vent passages one end, and not enough to solve in the U-shaped vent passages described in overcast and rainy and night hot pressing, stack effect is not obvious, the problem that gravity-flow ventilation air conditioning weak effect, system cannot be moved.
beneficial effect:
1. the present invention is used for building nature ventilation by photovoltaic and photothermal solar technology, gravity-flow ventilation is a kind of energy-conservation, green technology measure that can improve indoor thermal comfort and improve indoor air quality, and gravity-flow ventilation is realizing in principle the form of utilizing blast, utilizing hot pressing, blast to combine with hot pressing.
it is that comprehensive utilization indoor and outdoor condition realizes that the present invention adopts the utilization of gravity-flow ventilation, as according to building surrounding environment, architectural composition, Architectural Construction, solar radiation, weather, indoor thermal source etc., organize and induce gravity-flow ventilation, simultaneously, in Architectural Construction, optimal design by members such as building hollow wall structure, Zhongting, double-layer curtain wall, door and window, roofs, realizes good effect of natural ventilation.
the present invention is on the Research foundation of BIPV, theoretical in conjunction with the hot pressing of gravity-flow ventilation stack effect, utilizes the air space of building hollow-core construction as vent passages, energy-conservation, material-saving; Select clean solar energy as drive energy, reduce the discharge capacity of conventional energy resource CO2 and other pollutant, whole system can substitute the operation of air-conditioning unit, improves indoor air quality and thermal comfort, reduces air conditioning energy consumption and carbon emission.
it is gravity-flow ventilation passage that building hollow-core construction is take in the present invention, creates material-saving, saves land, quiet human settlement, makes building ventilation integrated.
the present invention be take solar energy as drive energy generation " stack effect ", strengthening Ventilation, makes " stack effect " not be subject to the restriction of neutral surface, promotes neutral plane height to building top layer, avoid each floor gap of skyscraper to occur that ventilation effect is very different, affect air conditioning effect.
the present invention passes through wind, water system heat convection, set up air-conditioning cold, hot water circuit, new air-cooled thermal source is provided, by solar energy optical-thermal, act as building air conditioning heat is provided, evaporative cooling by the chilled water coil surface in fountain evaporative cooling chilled water system act as building cold source of air conditioning is provided, by regulating ventilation to meet the changes in temperature demand of building, fountain evaporative cooling chilled water system is set, for cold is provided summer, reduce the use of air-conditioning equipment, and the progressively application of alternative air-conditioning equipment, for big-and-middle-sized central air-conditioning provides energy-efficient measure, save space, save the energy, reduce carbon emission.
the importance of the clear and definite gravity-flow ventilation of the present invention in building air conditioning, design Air Distribution be under the row's of serving formula displacement ventilation system, by " buoyancy lift " of air, carry indoor load and foul atmosphere and drain into outdoorly, indoor air purification efficiency is high, and air conditioning condition is even.
the present invention arranges glass cover-plate on photovoltaic electroplax, and utilize photovoltaic to drive air-introduced machine to carry cross-ventilation heat exchange in air space, reduce on the one hand solar photovoltaic cell panel temperature, improve generating efficiency, promote on the other hand air themperature, manufacture " stack effect " under hot differential pressure action, reduce the fan energy consumption of force ventilation.
the present invention sets up waste-heat recovery device, by waste heat recovery finned heat exchanger and U-shaped vent passages Nei Keli thermal source is recycled to heat supply loop with waste heat recovery plate type heat exchanger or cooling loop recycles.Exhaust outlet energy-saving effect is obvious, sets up auxiliary operational outfit, the operation of safeguards system under unfavorable factor effect when hot pressing can not meet room ventilation demand in U-shaped vent passages.
the hollow brick that the present invention uses has saving material, build efficiency by laying bricks or stones high, the features such as insulation and permeability are good, as new materials for wall, various brickworks were done to a lot of tests, wherein the experiment of the axial compressive strength of hollow brick was shown to the axial compressive strength of brickwork equals or a little more than the masonry of same label solid brick.Reason is that the size of hollow brick is generally larger, thicker than solid brick, and in measure-alike resistance to compression test specimen, the mortar joint of hollow brick test specimen is few, and mortar joint is little on the impact of the impact comparison solid brick of test specimen intensity.Therefore brickwork compression strength will be higher than solid brick; The research of the shearing strength of brickwork is shown to its shearing strength equals or a little more than solid brick shear strength of masonry.This is because the surface of hollow brick is generally coarse than solid brick, and mortar combination is more tight, and the mortar in brickwork enters in people's hollow brick cavity, forms the pin key of inserting people's hollow brick, and the shearing strength of brickwork is improved.
the present invention is optimized design to building hollow-core construction, and the intrinsic space of building hollow-core construction is made full use of, and when saving space, can increase wall heat resistance, maintain building load stable, play certain wall thermal insulating effect, reduced the use of insulation material, reduced building energy consumption.
accompanying drawing explanation:
accompanying drawing 1 is gravity-flow ventilation air handling system water circulation figure of the present invention.
accompanying drawing 2 is gravity-flow ventilation air handling system wind circular charts of the present invention.
accompanying drawing 3 is gravity-flow ventilation air handling system transpiration-cooled cooling schematic diagrams of the present invention.
accompanying drawing 4 is gravity-flow ventilation air handling system waste heat recovery wind circular charts of the present invention.
accompanying drawing 5 is gravity-flow ventilation air handling system waste heat recovery water circulation figure of the present invention.
accompanying drawing 6 is photovoltaic electroplax air space wind circular charts in gravity-flow ventilation air handling system of the present invention.
accompanying drawing 7 is gravity-flow ventilation air handling system schematic diagrams of band auxiliary equipment of the present invention
in figure: same-sign circuit guides has annexation.
the specific embodiment:
embodiment 1:
a kind of Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction, its composition comprises: hot water circuit 1, cold water loop 2, described hot water circuit comprises solar water heater 3, described solar water heater is placed in building roof, described solar water heater one end is connected with heat-exchanger pump 11 by heat supply pipeline, described heat-exchanger pump two ends are connected with heat supply pipeline, the described heat supply pipeline other end is connected with end air-conditioner control system 9, coil pipe 10 is installed in described end air-conditioner control system, described end air-conditioner control system is also connected with the other end of described solar water heater, described end air-conditioner control system is arranged on the body of wall of Indoor environment near ground.As shown in Figure 1.
embodiment 2:
according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in embodiment 1, described cold water loop comprises water storage tank 4, described water storage tank is placed in building roof, described water storage tank one end is connected with water supply pump 12 by cooling pipeline, described water supply pump two ends are connected with cooling pipeline, described cooling pipeline is connected with described heat supply pipeline, the described cooling pipeline other end is connected with chilled water coil 5 one end, described chilled water coil is placed in evaporative cooling passage, fin 6 is arranged on described chilled water coil surface, the described chilled water coil other end is connected with described end air-conditioner control system, described end air-conditioner control system is connected with the other end of described water storage tank, sprinkling equipment 7 is installed in described chilled water coil top, described sprinkling equipment is connected with feeding spraying pump 13 by spray piping, described feeding spraying pump is connected with shower water recover 8, described sprinkling equipment is to chilled water coil top spraying cooling water, described cooling water is finally recovered in shower water recover.
embodiment 3:
according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in embodiment 1 or 2, described heat supply pipeline is in parallel with described cooling pipeline, described heat supply pipeline and described cooling pipeline are installed electronic expansion valve V1-V26, by by-pass valve control, carry out the unlatching of control loop, described heat supply pipeline and described cooling pipeline merge in the porch of described end air-conditioner control system, exit at described end air-conditioner control system is separated, connects respectively described solar water heater and described water storage tank.As shown in Figure 1.
embodiment 4:
according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in embodiment 1 or 2, U-shaped vent passages 14 is equipped with in described end air-conditioner control system outside, described U-shaped vent passages one side is evaporative cooling passage, described U-shaped vent passages is arranged in building hollow-core construction 24, the hollow passageway that described building hollow-core construction is comprised of hollow brick boring gap, described U-shaped vent passages is merged and is formed by terrace 22 and under ground portion 23; The construction wall of described hollow-core construction is photovoltaic electroplax construction wall 15, solar photovoltaic cell panel 25 is laid on described photovoltaic electroplax construction wall surface, glass cover-plate 28 is laid on described solar photovoltaic cell panel surface, in described glass cover-plate and described solar photovoltaic cell panel gap, form photovoltaic electroplax air space 27, described photovoltaic electroplax air space one side is connected with the air-introduced machine of Driven by Solar Energy, and described photovoltaic electroplax air space opposite side is connected with U-shaped vent passages.As shown in accompanying drawing 2,3,6.
embodiment 5:
according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in embodiment 1 or 2, accessory fan is installed on described U-shaped vent passages one side top, waste heat recovery finned heat exchanger 16 is installed on described U-shaped vent passages opposite side top, described waste heat recovery finned heat exchanger one end is connected with waste heat recovery water circulating pump 19 by circulation waterway, the other end of described waste heat recovery water circulating pump is connected with waste heat recovery plate type heat exchanger 18, the water storage tank of the solar water heater of one end of described waste heat recovery plate type heat exchanger and described hot water circuit and described cold water loop is connected formed loop in parallel and connects, the other end of described waste heat recovery plate type heat exchanger is connected with loop waste heat recovery water circulating pump 20 in parallel, described loop waste heat recovery water circulating pump in parallel is placed in loop in parallel, the two places box out on Indoor environment body of wall of described U-shaped vent passages, one described of box out is positioned near on the body of wall on ground, one is positioned near on the body of wall of ceiling, end air-conditioner control system is installed in box out on the body of wall on described close ground, and exhaust outlet 21 is installed in the box out on the body of wall of described close ceiling.As shown in accompanying drawing 4,5.
embodiment 6:
according to the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of the building hollow-core construction described in embodiment 1-5, comprise: wind circulation process, evaporative cooling flow process, the circulation of waste heat recovery wind and photovoltaic heat exchange, during winter operation: valve V1, V3, V4, V5, V18, V19, V20 opens, all the other valve closings, the hot water of described solar water heater heating enters described end air-conditioner control system by described heat-exchanger pump, after the interior cold of absorption chamber, temperature reduces, by valve V15, the pipeline at V18 place is got back to circulating-heating in described solar water heater, during summer operation, valve V1, V3, V4, V5, V18, V19, V20 close, all the other valve opens, in described chilled water coil with fin in evaporative cooling passage described in water in described water storage tank enters by described water supply pump, the cold water being cooled enters after the interior heat of described end air-conditioner control system absorption chamber, by the pipeline at valve V15, V21, V24 place, gets back to circulating cooling in described water storage tank.
embodiment 7:
according to embodiment 6, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, described wind circulation process is, solar radiation drives the air-introduced machine of described Driven by Solar Energy to described photovoltaic electroplax construction wall surface air-supply to described photovoltaic electroplax construction wall surface generating, air and photovoltaic electroplax surface heat convection, temperature is sent in described U-shaped vent passages after raising, make air-flow be subject to stack effect effect, air part parallel connection mobile in described U-shaped vent passages enters Indoor environment by described end air-conditioner control system, Air Distribution be under the replacement aeration of the row of serving, air indoor complete heat exchange after because buoyancy lift is carried dirty air and drained into the other end of described U-shaped vent passages by described exhaust outlet.Another part air is done power cycle in described U-shaped vent passages.
embodiment 8:
according to embodiment 6 or 7, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, described evaporative cooling flow process is, the described cooling pipeline of the water of described water storage tank by valve place enters in described evaporative cooling passage the described chilled water coil with fin, by described sprinkling equipment in fin surface spray water mist, described sprinkling equipment is arranged on described U-shaped vent passages one side, its inside has air-flow to flow according to tetra-arrows of ABCD, accelerate the moisture evaporation on fin, moisture evaporation endothermic on wet fin, cause coolant-temperature gage in described chilled water coil to reduce, by valve V9, enter described end air-conditioner control system.
embodiment 9:
according to embodiment 6 or 7 or 8, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, described waste heat recovery wind circulation is, the finned heat exchanger that the air draft side of described U-shaped vent passages arranges described in one is done waste heat recovery, to absorb the entrained energy of air of discharging from described U-shaped vent passages, waste heat recovery water circulation, described finned heat exchanger absorbs the air waste heat of described U-shaped vent passages, under the effect of described waste heat recovery water circulating pump, by heat-carrying agent, circulate and enter described waste heat recovery plate type heat exchanger, under the effect of described loop water circulating pump in parallel, the medium that is loaded with waste heat recovery energy enters described solar water heater or described water storage tank by the control of described loop valve in parallel, the Cooling and Heat Source side valve opening control of two season of summer in winter is, summer V27, V29, V30, V31 opens, V28 closes, winter V28, V29, V31 opens, V27, V30 closes.
embodiment 10:
according to embodiment 6 or 7 or 8 or 9, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, described photovoltaic heat exchange is, air and surface of photovoltaic cell panel heat convection in photovoltaic electroplax air space, temperature enters described U-shaped vent passages after raising, under the hot pressing function of stack effect, impel the air circulation in described U-shaped vent passages; Described accessory fan is set in described U-shaped vent passages one end, and not enough to solve in the U-shaped vent passages described in overcast and rainy and night hot pressing, stack effect is not obvious, the problem that gravity-flow ventilation air conditioning weak effect, system cannot be moved.As shown in Figure 7.

Claims (10)

  1. One kind based on building hollow-core construction Driven by Solar Energy multifunction natural ventilation and air conditioning system, its composition comprises: hot water circuit, cold water loop, it is characterized in that: described hot water circuit comprises solar water heater, described solar water heater is placed in building roof, described solar water heater one end is connected with heat-exchanger pump by heat supply pipeline, described heat-exchanger pump two ends are connected with heat supply pipeline, the described heat supply pipeline other end is connected with end air-conditioner control system, coil pipe is installed in described end air-conditioner control system, described end air-conditioner control system is also connected with the other end of described solar water heater, described end air-conditioner control system is arranged on Indoor environment.
  2. According to claim 1 based on building hollow-core construction Driven by Solar Energy multifunction natural ventilation and air conditioning system, it is characterized in that: described cold water loop comprises water storage tank, described water storage tank is placed in building roof, described water storage tank one end is connected with water supply pump by cooling pipeline, described water supply pump two ends are connected with cooling pipeline, described cooling pipeline is connected with described heat supply pipeline, the described cooling pipeline other end is connected with chilled water coil one end, described chilled water coil is placed in evaporative cooling passage, fin is arranged on described chilled water coil surface, the described chilled water coil other end is connected with described end air-conditioner control system, described end air-conditioner control system is connected with the other end of described water storage tank, sprinkling equipment is installed in described chilled water coil top, described sprinkling equipment is connected with feeding spraying pump by spray piping, described feeding spraying pump is connected with shower water recover, described sprinkling equipment is to chilled water coil top spraying cooling water, described cooling water is finally recovered in shower water recover.
  3. According to claim 1 and 2 based on building hollow-core construction Driven by Solar Energy multifunction natural ventilation and air conditioning system, it is characterized in that: described heat supply pipeline is in parallel with described cooling pipeline, described heat supply pipeline and described cooling pipeline are installed electronic expansion valve, by by-pass valve control, carry out the unlatching of control loop, described heat supply pipeline and described cooling pipeline merge in the porch of described end air-conditioner control system, exit at described end air-conditioner control system is separated, connects respectively described solar water heater and described water storage tank.
  4. 4. according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in claim 1 or 2 or 3, it is characterized in that: U-shaped vent passages is equipped with in described end air-conditioner control system outside, described U-shaped vent passages one side is evaporative cooling passage, described U-shaped vent passages is arranged in building hollow-core construction, the hollow passageway that described building hollow-core construction is comprised of hollow brick boring gap, described U-shaped vent passages is merged and is formed by ground part and under ground portion; The construction wall of described hollow-core construction is photovoltaic electroplax construction wall, solar photovoltaic cell panel is laid on described photovoltaic electroplax construction wall surface, glass cover-plate is laid on described solar photovoltaic cell panel surface, in described glass cover-plate and described solar photovoltaic cell panel gap, form photovoltaic electroplax air space, described photovoltaic electroplax air space one side is connected with the air-introduced machine of Driven by Solar Energy, and described photovoltaic electroplax air space opposite side is connected with U-shaped vent passages.
  5. 5. according to the Driven by Solar Energy multifunction natural ventilation and air conditioning system based on building hollow-core construction described in claim 1 or 2 or 3 or 4, it is characterized in that: accessory fan is installed on described U-shaped vent passages one side top, waste heat recovery finned heat exchanger is installed on described U-shaped vent passages opposite side top, described waste heat recovery finned heat exchanger one end is connected with waste heat recovery water circulating pump by circulation waterway, the other end of described waste heat recovery water circulating pump is connected with waste heat recovery plate type heat exchanger, the water storage tank of the solar water heater of one end of described waste heat recovery plate type heat exchanger and described hot water circuit and described cold water loop is connected formed loop in parallel and connects, the other end of described waste heat recovery plate type heat exchanger is connected with loop waste heat recovery water circulating pump in parallel, described loop waste heat recovery water circulating pump in parallel is placed in loop in parallel, the two places box out on Indoor environment body of wall of described U-shaped vent passages, one described of box out is positioned near on the body of wall on ground, one is positioned near on the body of wall of ceiling, end air-conditioner control system is installed in box out on the body of wall on described close ground, and exhaust outlet is installed in the box out on the body of wall of described close ceiling.
  6. 6. a method of utilizing the Driven by Solar Energy ventilating air-conditioning system ventilation of the building hollow-core construction described in claim 1-5, comprise: wind circulation process, evaporative cooling flow process, the circulation of waste heat recovery wind and photovoltaic heat exchange, it is characterized in that: during winter operation: valve V1, V3, V4, V5, V18, V19, V20 open, all the other valve closings,. the hot water of solar water heater heating passes through. and heat-exchanger pump enters end air-conditioner control system, after the interior cold of absorption chamber, temperature reduces, and by valve V15, V18. pipeline, gets back to circulating-heating in solar water heater; During summer operation, valve V1, V3, V4, V5, V18, V19, V20 close, all the other valve opens, water in water storage tank enters in evaporative cooling passage in the chilled water coil with fin by water supply pump, the cold water being cooled enters after the interior heat of end air-conditioner control system absorption chamber, by the pipeline at valve V15, V21, V24 place, gets back to circulating cooling in water storage tank.
  7. 7. according to claim 6, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, it is characterized in that: described wind circulation process is, solar radiation drives the air-introduced machine of described Driven by Solar Energy to described photovoltaic electroplax construction wall surface air-supply to described photovoltaic electroplax construction wall surface generating, air and photovoltaic electroplax surface heat convection, temperature is sent in described U-shaped vent passages after raising, make air-flow be subject to stack effect effect, air part parallel connection mobile in described U-shaped vent passages enters Indoor environment by described end air-conditioner control system, Air Distribution be under the replacement aeration of the row of serving, air indoor complete heat exchange after because buoyancy lift is carried dirty air and drained into the other end of described U-shaped vent passages by described exhaust outlet, another part air is done power cycle in described U-shaped vent passages.
  8. 8. according to claim 6 or 7, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, it is characterized in that: described evaporative cooling flow process is, the described cooling pipeline of the water of described water storage tank by valve place enters in described evaporative cooling passage the described chilled water coil with fin, by described sprinkling equipment in fin surface spray water mist, described sprinkling equipment is arranged on described U-shaped vent passages one side, its inside has air-flow to flow according to tetra-arrows of ABCD, accelerate the moisture evaporation on fin, moisture evaporation endothermic on wet fin, cause coolant-temperature gage in described chilled water coil to reduce, by valve V9, enter described end air-conditioner control system.
  9. 9. according to claim 6 or 7 or 8, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, it is characterized in that: described waste heat recovery wind circulation is, the finned heat exchanger that the air draft side of described U-shaped vent passages arranges described in one is done waste heat recovery, to absorb the entrained energy of air of discharging from described U-shaped vent passages, waste heat recovery water circulation, described finned heat exchanger absorbs the air waste heat of described U-shaped vent passages, under the effect of described waste heat recovery water circulating pump, by heat-carrying agent, circulate and enter described waste heat recovery plate type heat exchanger, under the effect of described loop water circulating pump in parallel, the medium that is loaded with waste heat recovery energy enters described solar water heater or described water storage tank by the control of described loop valve in parallel, the Cooling and Heat Source side valve opening control of two season of summer in winter is, summer V27, V29, V30, V31 opens, V28 closes, winter V28, V29, V31 opens, V27, V30 closes.
  10. 10. according to claim 6 or 7 or 8 or 9, utilize the method for the Driven by Solar Energy ventilating air-conditioning system ventilation of described building hollow-core construction, it is characterized in that: described photovoltaic heat exchange is, air and surface of photovoltaic cell panel heat convection in photovoltaic electroplax air space, temperature enters described U-shaped vent passages after raising, under the hot pressing function of stack effect, impel the air circulation in described U-shaped vent passages; Described accessory fan is set in described U-shaped vent passages one end, and not enough to solve in the U-shaped vent passages described in overcast and rainy and night hot pressing, stack effect is not obvious, the problem that gravity-flow ventilation air conditioning weak effect, system cannot be moved.
CN201410434853.6A 2014-08-30 2014-08-30 Solar driven natural ventilation air conditioning system of building hollow structure and ventilation method Expired - Fee Related CN104154619B (en)

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