CN108302687A - A kind of solar energy PVT curtain wall fresh air system - Google Patents

A kind of solar energy PVT curtain wall fresh air system Download PDF

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Publication number
CN108302687A
CN108302687A CN201810229476.0A CN201810229476A CN108302687A CN 108302687 A CN108302687 A CN 108302687A CN 201810229476 A CN201810229476 A CN 201810229476A CN 108302687 A CN108302687 A CN 108302687A
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China
Prior art keywords
solar energy
air
curtain wall
pvt
fresh air
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CN201810229476.0A
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Chinese (zh)
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CN108302687B (en
Inventor
梁若冰
潘强广
张吉礼
周超
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Dalian University of Technology
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Dalian University of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/10Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with air supply, or exhaust, through perforated wall, floor or ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/02Heat pumps of the compression type
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Photovoltaic Devices (AREA)
  • Building Environments (AREA)

Abstract

The invention belongs to solar building integrated technical fields, it is proposed that a kind of solar energy PVT curtain wall fresh air system, including solar energy PVT heat pump systems and building curtain wall fresh air system.Solar energy PVT heat pump systems include solar energy PVT components, compressor, hot water storage tank, electric expansion valve, water pump, three-way switch valve, check-valves.Building curtain wall fresh air system includes solar energy PVT components, curtain wall cavity, external wall, power-operated shutter, airstrainer, air heater, fixed total-heat exchanger, axial flow blower.The present invention is combined solar energy PVT heat pump systems with elevation of building, can provide domestic hot-water, electric power and fresh air for building, regenerative resource is efficiently utilized.Meanwhile the present invention effectively utilizes elevation of building space, solves installation question of the solar energy system in urban architecture, and a part of the solar energy PVT curtain walls as architectural exterior-protecting construction, efficiently reduce external wall obtain it is hot, to reduce building load.

Description

A kind of solar energy PVT curtain wall fresh air system
Technical field
The present invention relates to a kind of solar energy PVT curtain wall fresh air system, belong to solar building integrated technical field.
Background technology
Solar photoelectric light-heat coproduction (Photovoltaic-thermal, abbreviation PVT), be it is a kind of using solar energy simultaneously The new technique for generating thermal energy and electric energy, has especially obtained the solar energy PVT heat pump systems that PVT components are combined with heat pump It is promoted in industry.With the densification of city space, solar energy installation site is selected to become problem of people's attention.In addition to roofing Space, elevation of building will also be increasingly becoming the application range of heliotechnics.Therefore, the present invention proposes a kind of by solar energy PVT The curtain wall fresh air system that heat pump is combined with elevation of building not only can provide hot water and electric energy for building, while can meet Build fresh air demand.And the system combines PVT components in elevation of building, effectively utilizes space, has prodigious Practical value and application prospect.
Invention content
The technical problem to be solved by the present invention is to which solar energy PVT heat pumps are combined with elevation of building, realization building hot water, The supply of electric energy and fresh air.
Technical scheme of the present invention:
A kind of solar energy PVT curtain wall fresh air system, including solar energy PVT heat pump systems and building curtain wall fresh air system;
The solar energy PVT heat pump systems include solar energy PVT components 1, compressor 2, hot water storage tank 3, electronic expansion Valve 4, water pump 6, three-way switch valve 9 and check-valves 10;
The working medium operating condition of the solar energy PVT heat pump systems is:Refrigerant working medium is high by 2 boil down to of compressor It after warm high steam, is transferred heat to after water into hot water storage tank 3 and is condensed into refrigerant liquid, then pass through electric expansion valve 4 throttlings, entering back into absorption heat in solar energy PVT components 1 becomes refrigerant vapour, eventually passes back to 2 entrance of compressor, completes too Positive energy PVT heat pump cycles;The temperature and low-pressure lateral pressure that the electric expansion valve 4 can incude according to temperature sensing package are made to adjust Cryogen flow;
The solar energy PVT components 1 further comprise tempered glass, photovoltaic cell component and collecting plate, tempered glass, Photovoltaic cell component and collecting plate with EVA adhesive film by lamination from top to bottom by being integrated;The collecting plate is with miniature stream The flat plate collector in road;The photovoltaic cell component can convert solar energy into electrical energy;
The hot water storage tank 3 is equivalent to the condenser in heat pump system with heat exchange coil 5, heat exchange coil 5;The storage Boiler 3 further includes hot water cyclesystem, and hot water cyclesystem includes inlet pipeline 7, outlet pipeline 8 and bypass line;Institute Water pump 6 is installed on the inlet pipeline 7 stated, has water supplement function while providing circulation power for hot water supply, to ensure accumulation of heat Water in water tank 3;The outlet pipeline 8 is equipped with three-way switch valve 9;The three-way switch valve 9 is gone out by outlet pipeline 8 Saliva temperature carrys out 9 open state of switching three-way switching valve, when exit water temperature be less than set water temperature, water is followed again by bypass line It is heated in ring to hot water storage tank 3, until reaching setting value, hot water is supplied to building to use by switching three-way switching valve 9;Threeway Check-valves 10 is connected between switching valve 9 and inlet pipeline 7;
The building curtain wall fresh air system includes solar energy PVT components 1, curtain wall cavity 11, external wall 12, electronic hundred Leaf, airstrainer 15, air heater 16, fixed total-heat exchanger 17 and axial flow blower;
When the solar energy PVT heat pump systems are run, solar energy PVT components 1 are evaporator;It it is 25 DEG C in environment temperature When, 1 backboard temperature of solar energy PVT components is 16~26 DEG C, and mean temperature is 19 DEG C;1 backboard temperature of solar energy PVT components at this time Less than environment temperature, cooled down when air skims over solar energy PVT 1 backboards of component;
The curtain wall cavity 11 is the air blanketing among solar energy PVT components 1 and external wall 12;Outdoor air is logical The air port a13 for crossing 11 bottom of curtain wall cavity enters curtain wall cavity 11, then enters fresh air by 11 top air port b14 of curtain wall cavity Pipeline;The fresh air pipeline includes ajutage, exhaust duct, fixed total-heat exchanger 17, pressure fan 18, exhaust blower 21, sky Air filter 15, air heater 16 and sound-proof material;When interior needs to be passed through fresh air, at exhaust blower 21 and air port e22 Power-operated shutter open, according to required ventilation volume room air be discharged;It is then shut off electronic at exhaust blower 21 and air port e22 Blinds, meanwhile, the power-operated shutter of 11 top and bottom of pressure fan 18 and curtain wall cavity is opened, to indoor feeding and exhaust air rate phase Deng air quantity;
The air filter 15 and air heater 16 is located at the ajutage entrance at 11 top of curtain wall cavity, described Air filter 15 it is effective cross air filtering in particulate matter;The air heater 15 is used for cold snap outdoor air temperature When spending low, auxiliary preheating fresh air.
The compressor 2 is screw compressor.
Beneficial effects of the present invention:
1. a kind of solar energy PVT curtain walls fresh air system is combined solar energy PVT heat pump systems with elevation of building, one is constituted Kind can produce the efficient system of family hot water, electric energy and Fresh air handing.
2. the present invention fully utilize elevation of building space, while solar energy PVT curtain walls be equivalent to it is new in facade Increased one layer actively heat exchange building enclosure, torridity summer can efficiently reduce exterior wall obtain it is hot, to reduce building load.
Description of the drawings
Fig. 1 is a kind of solar energy PVT curtain walls fresh air system structure chart.
In figure:1 solar energy PVT components;2 compressors;3 hot water storage tanks;4 electric expansion valves;
5 heat exchange coils;6 water pumps;7 inlet pipelines;8 outlet pipelines;9 three-way switch valves;
10 check-valves;11 curtain wall cavitys;12 external walls;13 air port a;14 air port b;
15 air filters;16 air heaters;17 fixed total-heat exchangers;18 pressure fan;
19 air port c;20 air port d;21 exhaust blowers;22 air port e.
Specific implementation mode
Below in conjunction with technical solution and attached drawing, the specific implementation mode that further illustrates the present invention.
As shown in Figure 1, a kind of solar energy PVT curtain walls fresh air system includes mainly solar energy PVT heat pump systems and building curtain Wall fresh air system.
The solar energy PVT heat pump systems are by solar energy PVT components 1, compressor 2, hot water storage tank 3, electric expansion valve 4, the compositions such as water pump 6, three-way switch valve 9, check-valves 10.
The solar energy PVT components 1 are made of tempered glass, photovoltaic cell component, collecting plate, and each layer is by with EVA glue Film is integrated by lamination.The collecting plate is the flat plate collector with micro flow channel.The photovoltaic cell component can incite somebody to action Solar energy is converted into electric energy.
The hot water storage tank 3 is equivalent to the condenser in heat pump system with heat exchange coil 5, the heat exchange coil 5.Institute The hot water storage tank 3 stated further includes hot water cyclesystem, and the hot water cyclesystem is by inlet pipeline 7, outlet pipeline 8 and side Siphunculus road forms.Water pump 6 is installed on the inlet pipeline 7, has make-up water while providing circulation power for hot water supply Function, to ensure water in hot water storage tank 3.There is three-way switch valve 9 on the outlet pipeline 8.The three-way switch valve 9 By outlet pipeline exit water temperature come switch valve open state, when exit water temperature is less than set water temperature, passing through bypass line will Water is circulated again into hot water storage tank 3 and heats, and until reaching setting value, hot water is supplied to building to make by switching three-way switching valve 9 With.
The building curtain wall fresh air system is by solar energy PVT components 1, curtain wall cavity 11, external wall 12, electronic hundred The compositions such as leaf, air filter 15, air heater 16, fixed total-heat exchanger 17, pressure fan 18, exhaust blower 21.
When the solar energy PVT heat pump systems are run, solar energy PVT components 1 are evaporator.It it is 25 DEG C in environment temperature When, 1 backboard temperature of solar energy PVT components is 16~26 DEG C, and mean temperature is 19 DEG C or so.At this point, solar energy PVT components 1 are carried on the back Plate temperature is less than environment temperature, can be cooled down when air skims over solar energy PVT 1 backboards of component.
The curtain wall cavity 11 is the air blanketing among solar energy PVT components 1 and external wall 12.Outdoor air is logical The air port a 13 for crossing curtain wall cavity bottom enters curtain wall cavity 11, then enters fresh air by 11 top air port b 14 of curtain wall cavity Pipeline.The fresh air pipeline is by ajutage, exhaust duct, fixed total-heat exchanger 17, pressure fan 18, exhaust blower 21, air Filter 15, air heater 16 and sound-proof material composition.When interior needs to be passed through fresh air, exhaust blower 21 and air port e 22 Power-operated shutter open, according to required ventilation volume room air be discharged.It is then shut off the electronic of exhaust blower 21 and air port e 22 Blinds, pressure fan 18 and the power-operated shutter of air port a 13 and air port b 14 are opened, the wind equal with exhaust air rate to indoor feeding Amount.Air port c 19 is indoor air outlet, and air port d 20 is indoor exhaust wind mouth, and the two is mounted on fixed blinds.
The air filter 15 and air heater 16 is located at the ajutage entrance at 11 top of curtain wall cavity, described Air filter 15 can effectively cross air filtering in particulate matter.The air heater 16 is used for cold snap outdoor air When temperature is low, auxiliary preheating fresh air.
A kind of solar energy PVT curtain walls fresh air system is combined solar energy PVT heat pump systems with elevation of building, can be that building carry Domestic hot-water supply, electric power and fresh air, are efficiently utilized regenerative resource.Meanwhile the present invention effectively utilizes elevation of building Space solves installation question of the solar energy system in urban architecture, and solar energy PVT curtain walls are as architectural exterior-protecting construction A part, can efficiently reduce external wall obtain it is hot, to reduce building load.

Claims (2)

1. a kind of solar energy PVT curtain wall fresh air system, which is characterized in that the solar energy PVT curtain wall fresh air system includes too Positive energy PVT heat pump systems and building curtain wall fresh air system;
The solar energy PVT heat pump systems include that solar energy PVT components (1), compressor (2), hot water storage tank (3), electronics are swollen Swollen valve (4), water pump (6), three-way switch valve (9) and check-valves (10);
The working medium operating condition of the solar energy PVT heat pump systems is:Refrigerant working medium passes through compressor (2) boil down to high temperature It after high steam, is transferred heat to after water into hot water storage tank (3) and is condensed into refrigerant liquid, then pass through electric expansion valve (4) it throttles, entering back into absorption heat in solar energy PVT components (1) becomes refrigerant vapour, eventually passes back to compressor (2) entrance, Complete solar energy PVT heat pump cycles;Temperature that the electric expansion valve (4) incudes according to temperature sensing package and low-pressure lateral pressure come Adjusting refrigerant flow rate;
The solar energy PVT components (1) further comprise tempered glass, photovoltaic cell component and collecting plate, tempered glass, light Photovoltaic cell components and collecting plate with EVA adhesive film by lamination from top to bottom by being integrated;The collecting plate is band micro flow channel Flat plate collector;The photovoltaic cell component can convert solar energy into electrical energy;
Hot water storage tank (3) the band heat exchange coil (5), heat exchange coil (5) are equivalent to the condenser in heat pump system;Described Hot water storage tank (3) further includes hot water cyclesystem, and hot water cyclesystem includes inlet pipeline (7), outlet pipeline (8) and bypass Pipeline;Water pump (6) is installed on the inlet pipeline (7), has water supplement function while providing circulation power for hot water supply, To ensure hot water storage tank (3) interior water;The outlet pipeline (8) is equipped with three-way switch valve (9);The three-way switch valve (9) by outlet pipeline (8) exit water temperature come switching three-way switching valve (9) open state, when exit water temperature is less than set water temperature, Water is circulated again into heating in hot water storage tank (3) by bypass line, until reaching setting value, switching three-way switching valve (9), It is supplied to building to use hot water;Check-valves (10) is connected between three-way switch valve (9) and inlet pipeline (7);
The building curtain wall fresh air system includes solar energy PVT components (1), curtain wall cavity (11), external wall (12), electronic Blinds, airstrainer (15), air heater (16), fixed total-heat exchanger (17) and axial flow blower;
When the solar energy PVT heat pump systems are run, solar energy PVT components (1) are evaporator;It it is 25 DEG C in environment temperature When, solar energy PVT components (1) backboard temperature is 16~26 DEG C, and mean temperature is 19 DEG C;Solar energy PVT components (1) backboard at this time Temperature is less than environment temperature, is cooled down when air skims over solar energy PVT components (1) backboard;
The curtain wall cavity (11) is the air blanketing among solar energy PVT components (1) and external wall (12);Outdoor air Enter curtain wall cavity (11) by the air port a (13) of curtain wall cavity (11) bottom, then passes through air port b at the top of curtain wall cavity (11) (14) enter fresh air pipeline;The fresh air pipeline includes ajutage, exhaust duct, fixed total-heat exchanger (17), pressure fan (18), exhaust blower (21), air filter (15), air heater (16) and sound-proof material;When interior needs to be passed through fresh air, Power-operated shutter at exhaust blower (21) and air port e (22) is opened, and is discharged according to required ventilation volume room air;The row of being then shut off Power-operated shutter at wind turbine (21) and air port e (22), meanwhile, at the top and bottom of pressure fan (18) and curtain wall cavity (11) Power-operated shutter is opened, the air quantity equal with exhaust air rate to indoor feeding;
The air filter (15) and air heater (16) is located at the ajutage entrance at the top of curtain wall cavity (11), institute The effective particulate matter crossed in air filtering of air filter (15) stated;The air heater (15) is for outside cold snap room When air themperature is low, auxiliary preheating fresh air.
2. solar energy PVT curtain wall fresh air system according to claim 1, which is characterized in that the compressor (2) is whirlpool Revolve compressor.
CN201810229476.0A 2018-03-14 2018-03-14 Solar PVT curtain fresh air system Active CN108302687B (en)

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CN108302687B CN108302687B (en) 2019-12-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131819A (en) * 2019-05-14 2019-08-16 驻马店市天中招投标服务有限公司 Building energy conservation air-conditioning system and its operation method
CN111594915A (en) * 2019-11-20 2020-08-28 中国节能减排有限公司 Heat recovery device and photovoltaic power generation system
CN116734503A (en) * 2023-08-09 2023-09-12 燕山大学 Industrial cold-hot combined preparation system utilizing solar PVT heat pump

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273184A (en) * 1978-09-05 1981-06-16 Osaka Gas Kabushiki Kaisha Solar heat utilized air-conditioning system
CN204786929U (en) * 2015-02-18 2015-11-18 西南科技大学 Sun wall natural draft's indoor air conditioning system
CN206771596U (en) * 2017-04-13 2017-12-19 西安工程大学 Energy-saving air conditioning system based on air energy, geothermal energy and solar energy
CN207990882U (en) * 2018-03-14 2018-10-19 大连理工大学 A kind of solar energy PVT curtain wall fresh air system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273184A (en) * 1978-09-05 1981-06-16 Osaka Gas Kabushiki Kaisha Solar heat utilized air-conditioning system
CN204786929U (en) * 2015-02-18 2015-11-18 西南科技大学 Sun wall natural draft's indoor air conditioning system
CN206771596U (en) * 2017-04-13 2017-12-19 西安工程大学 Energy-saving air conditioning system based on air energy, geothermal energy and solar energy
CN207990882U (en) * 2018-03-14 2018-10-19 大连理工大学 A kind of solar energy PVT curtain wall fresh air system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110131819A (en) * 2019-05-14 2019-08-16 驻马店市天中招投标服务有限公司 Building energy conservation air-conditioning system and its operation method
CN111594915A (en) * 2019-11-20 2020-08-28 中国节能减排有限公司 Heat recovery device and photovoltaic power generation system
CN111594915B (en) * 2019-11-20 2022-04-12 中国节能减排有限公司 Heat recovery device and photovoltaic power generation system
CN116734503A (en) * 2023-08-09 2023-09-12 燕山大学 Industrial cold-hot combined preparation system utilizing solar PVT heat pump
CN116734503B (en) * 2023-08-09 2023-10-13 燕山大学 Industrial cold-hot combined preparation system utilizing solar PVT heat pump

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