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CN107062474B - Near-zero energy consumption building system based on energy storage - Google Patents

Near-zero energy consumption building system based on energy storage Download PDF

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Publication number
CN107062474B
CN107062474B CN201710176683.XA CN201710176683A CN107062474B CN 107062474 B CN107062474 B CN 107062474B CN 201710176683 A CN201710176683 A CN 201710176683A CN 107062474 B CN107062474 B CN 107062474B
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China
Prior art keywords
energy storage
phase
air
pipe
solar
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Chinese (zh)
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CN107062474A (en
Inventor
李水生
孙鹏程
俞准
刘政轩
秦迪
孙芙蓉
傅炎朝
李贝
刘世辉
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China Construction Fifth Engineering Bureau Co Ltd
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China Construction Fifth Engineering Bureau Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
    • F24F5/0021—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice using phase change material [PCM] for storage
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/022—Pots for vertical horticulture
    • A01G9/023—Multi-tiered planters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
    • A01G9/022—Pots for vertical horticulture
    • A01G9/025—Containers and elements for greening walls
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0057—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/17—Details or features not otherwise provided for mounted in a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/18—Details or features not otherwise provided for combined with domestic apparatus
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272—Solar heating or cooling
    • 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
    • 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
    • Y02B10/40—Geothermal heat-pumps
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Architecture (AREA)
  • Environmental Sciences (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Sustainable Energy (AREA)
  • Building Environments (AREA)

Abstract

The invention discloses a near-zero energy consumption building system based on energy storage, which comprises a building main body, a modular phase-change energy storage decorative wall system with a water flow channel and an air channel inside, a glass cavity green planting system, a vertical pipeline-buried ventilation and phase-change energy storage coupling system and a solar refrigerating and heating system based on energy storage; the modular phase-change energy-storage decorative wall system and the glass cavity green planting system are respectively arranged on the inner side and the outer side of different outer walls of the building main body. The vertical buried pipeline ventilation and phase change energy storage coupling system respectively sends the processed fresh air and the hot water prepared by the solar refrigeration and heating system into an air channel and a water channel, and the temperature of indoor air is adjusted after heat exchange is carried out on the air and the water. Solar energy and geothermal energy are combined, the solar energy is utilized to compensate the shortage of the geothermal energy in use, meanwhile, the energy storage structures of all systems are utilized to adjust the unbalance of the solar energy distribution in time, and the solar energy and the geothermal energy are fully utilized in winter and summer to the greatest extent.

Description

Near-zero energy consumption building system based on energy storage
Technical Field
The invention relates to a low-rise building, in particular to a near-zero energy consumption building system based on energy storage.
Background
Along with people's life waterThe improvement of the level, the requirement on the living environment is higher and higher, from the earliest hand fan cooling or raw firewood heating, to electric fan cooling or coal, electric heating, boiler heating, and then to air conditioner cooling and heating, the sudden change from the original ecology to high energy consumption brings serious energy consumption improvement and environmental pollution. Especially in recent years, the intelligent home concept of the constant-temperature and constant-humidity house concept is further developed, the comfort level of the living environment of people is improved, however, the buildings with the constant-temperature and constant-humidity comfort level basically mainly consume energy, the air conditioning technology is used as main equipment and is combined with the automatic control technology to control the house at a constant temperature, the life style is represented by a plurality of current buildings in the United states, so that the energy consumed by all people in the United states is in the first place of the whole world, and the heat consumption of the buildings in the unit area of the residential building heating energy consumption value plus the non-heating energy consumption value is 13.55 kgce/(m) of the heat consumption value of the buildings in the first place 2 Year), the power consumption is 49.6 kwh/(m) 2 Year), compared with the energy conservation of the current common people in China, the heat consumption of the buildings in unit area of the urban heating energy consumption value plus the non-heating energy consumption value is 12.8 kgce/(m) 2 Year), the power consumption is 15.6 kwh/(m) 2 Year), the power consumption of the united states is 3 times more than that of china. The luxurious living idea and the enjoying style affect China silently, some developers are pushing the idea to sell houses, such as MOMA in the city of China, and although the products adopt some energy-saving technologies, the products are maintained by the work of air-conditioning equipment for a long time, so that high energy consumption is generated, and a large amount of CO is added 2 If the concept and the building are greatly implemented in China, the energy consumption supply capacity which is ten times higher than the total energy consumption at present is not enough to supply energy, and serious environmental problems and CO are further caused 2 The emission problem, the rational consumption of resources is not benefited, the earth resources are greatly accelerated, and the earth life and the human living space are sharply shortened.
Disclosure of Invention
The invention aims to provide a low-rise building system which can adjust the indoor temperature by utilizing solar energy and geothermal energy all year round, keep the indoor temperature between 16 and 26 ℃ and simultaneously supply required domestic hot water.
The invention provides a near-zero energy consumption building system based on energy storage, which comprises a building main body, a modular phase-change energy storage decorative wall system, a glass cavity green planting system based on energy storage, a vertical pipeline-buried ventilation and phase-change energy storage coupling system and a solar refrigerating and heating system based on energy storage, wherein the modular phase-change energy storage decorative wall system comprises a solar refrigerating and heating system; the modularized phase-change energy-storage decorative wall system and the glass cavity green planting system are respectively arranged on the inner side and the outer side of different outer walls of the building main body; the modularized phase-change energy-storage decorative wall system comprises a plurality of phase-change energy-storage decorative wallboards which are assembled with one another, wherein a phase-change energy-storage material, an air channel and a water channel which penetrate through the phase-change energy-storage material are arranged in each phase-change energy-storage decorative wallboard; the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system comprises a vertical pipe buried in soil in the vertical direction, two ends of the vertical pipe are respectively connected with an air inlet pipeline and an air outlet pipeline which are positioned on the ground, the terminal of the air outlet pipeline is communicated with an air channel of the phase-change energy storage decorative wallboard, and treated fresh air is sent into a room; the solar refrigeration and heating system based on energy storage comprises a solar photovoltaic and photo-thermal integrated assembly, a solar air conditioner, a PCM energy storage tank and a hot water tank, wherein an inlet and an outlet of the solar photovoltaic and photo-thermal integrated assembly are respectively communicated with the PCM energy storage tank, the hot water tank and the solar air conditioner to form a circulation loop; the PCM energy storage tank is used as a heat source and is respectively communicated with the hot water tank and the solar air conditioner; the solar air conditioner and the hot water tank are respectively communicated with a water flow channel of the phase-change energy-storage decorative wall board, and fresh air in the air channel of the phase-change energy-storage decorative wall system can exchange heat with fluid in the water flow channel and then is sent into a room, so that the indoor load requirement is met, and the indoor temperature is adjusted; the hot water tank is connected with a domestic hot water pipe; the glass cavity green planting system is fixed on the outer wall of the building main body in the vertical direction, the bottom surface of the glass cavity green planting system is fixed on a keel support with a cavity on the ground, a glass curtain wall is laid on the periphery of the keel support, a phase change energy storage plate is fixed on the inner side of the height direction of the cavity of the keel support, a phase change energy storage tank is arranged on the outer side of the cavity of the keel support, a fan is arranged in the cavity of the keel support, a plant curtain wall is arranged on the outer side of the phase change energy storage plate, and openable and closable air ports are respectively arranged at the top and the bottom of the outer wall of the building main body and the glass curtain wall; the cavity of the keel support is communicated with the back air channel of the solar photovoltaic and photo-thermal integrated assembly, and air in the cavity is heated by heat generated by the solar photovoltaic panel in the back air channel of the solar photovoltaic and photo-thermal integrated assembly and then is delivered into a room through an air opening in the outer wall of the building main body.
The phase-change energy-storage decorative wall board of the modular phase-change energy-storage decorative wall system is a rectangular board with a packaging shell, the air channel and the water channel are respectively arranged along the longitudinal direction and the transverse direction of the packaging shell in a non-intersecting manner, and the air channel and the water channel are respectively arranged on the inner side and the outer side of the phase-change energy-storage decorative wall board in the horizontal direction; the packaging shell is made of aluminum alloy materials, and corresponding interfaces are respectively arranged at the positions, corresponding to the two ends of the air channel and the water channel, on the packaging shell; the interfaces at the two ends of the air channel are plug interfaces, the interfaces at the two ends of the water channel are threaded interfaces, the air channel interfaces and the water channel interfaces of adjacent phase-change energy-storage decorative wallboards are respectively connected with a threaded sleeve into a whole in a plug mode, and a water inlet main pipe and a water return main pipe are respectively connected with the two ends of the water channel after a plurality of phase-change energy-storage decorative wallboards are assembled; the packaging shell is also provided with a mounting hole convenient for being fixed with a main wall of a building.
And after the phase-change energy storage decorative wallboard is assembled, the inlet end of the air channel is communicated with an air outlet pipeline of the vertical pipe burying underground ventilation and phase-change energy storage coupling system.
The keel support of the glass cavity green plant system is a steel support, the keel support and the outer wall of the building main body are fixedly connected through U-shaped steel, and the opening width of the U-shaped steel enables a cavity to be formed between the phase change energy storage plate and the building main wall; the glass curtain wall is a double-layer glass curtain wall, the phase change energy storage plate is an integral part of an inner aluminum alloy plate, an outer aluminum alloy plate and a phase change material filled between the two aluminum alloy plates, and the phase change energy storage plate is embedded on the keel bracket; the phase-change energy storage tank is a transparent glass tank, a phase-change material is packaged in the glass tank, and the glass tank is arranged along the width direction of the keel bracket through a bracket; the phase change energy storage tanks are uniformly distributed at the lower part of the keel bracket in the height direction; the plant curtain wall comprises green plants and a culture medium block, and the culture medium block is fixed on the outer side of the phase change energy storage plate; a spraying device is arranged above the plant curtain wall, the spraying device comprises a water supply pipe arranged in the width direction of the upper end of the plant curtain wall, a plurality of nozzles are uniformly distributed on the outer side of the water supply pipe in the length direction, water outlets of the nozzles face green plants, a water collecting tank is arranged below the plant curtain wall, and a water discharge pipe penetrating through the glass curtain wall is arranged at the end part of the water collecting tank; the fan is a silent fan, the fans are uniformly arranged at the top and the bottom of the keel support, an electric air valve capable of being automatically opened and closed is arranged at the air inlet, and a middle-effect filter is arranged at the inlet of the electric air valve; the outer side of the glass curtain wall is provided with a shutter vertical curtain capable of being automatically opened and closed, and the upper side of the glass curtain wall is provided with a rain baffle positioned above the shutter vertical curtain.
The building body is provided with an outer wall of the glass cavity green plant system, the outer wall sequentially comprises an inner energy storage plate, an inner heat insulation plate, a masonry body and an outer heat insulation plate from inside to outside, and the U-shaped steel is fixedly connected with the outer heat insulation plate.
The vertical buried pipe of the vertical buried pipe underground ventilation and phase change energy storage coupling system is buried in soil through a pipe well and comprises a plurality of U-shaped pipes which are connected in parallel, each U-shaped pipe comprises an air descending pipe, an air ascending pipe and a bottom bend, the upper end of the air descending pipe is communicated with the air inlet pipeline, and the upper end of the air ascending pipe is communicated with the air outlet pipeline; the lower ends of the air descending pipe and the air ascending pipe of each U-shaped pipe are respectively provided with a tapered conical section, and the air descending pipe and the air ascending pipe are communicated above the conical sections through a communicating pipe; phase change materials packaged by a cylindrical pipe are hung on the axial central line of the air ascending pipe of the U-shaped pipe, the lower end of the cylindrical pipe is positioned at the communicating pipe, the upper end of the cylindrical pipe is lower than the upper end faces of the inner sleeve and the outer sleeve, and the phase change temperature of the phase change materials in the cylindrical pipe is sequentially increased from bottom to top; two sides of the upper end of the bottom bend are respectively connected with a reducing joint, the reducing joints comprise conical sections which are gradually reduced upwards and cylindrical sections above the conical sections, the upper end ports of the cylindrical sections are butted with the lower end ports of the conical sections into a whole, and funnels for receiving condensed water are arranged in the upper parts of the cylindrical sections; the lowest position of the bottom bend is connected with a drain pipe, and the drain pipe extends out of the ground from the ground and is connected with a drainage pump; the wall surface gradient of the funnel is more than 45 degrees, and the diameter of the outlet is less than 10mm; the upper part of the bottom bend is provided with a water level sensor.
The upper part of the air ascending pipe of the U-shaped pipe is externally sleeved with a PVC outer sleeve, a heat insulation material and a phase change material are sequentially arranged between the outer sleeve and the air ascending pipe, the phase change material is arranged in the inner sleeve, and two ends of the inner sleeve and two ends of the outer sleeve are respectively connected with a sealing assembly; the sealing assembly comprises an elastic sleeve ring, two sealing washers, two elastic gaskets and two sealing plug rivets, wherein the two elastic sleeve rings are respectively sleeved on the outer wall of the air ascending pipe and the outer wall of the outer sleeve, the two sealing washers are respectively sleeved on the outer wall of the air ascending pipe and the outer sleeve and correspond to the outer end of the elastic sleeve ring, the outer end of each sealing washer is flush with the outer sleeve and the outer end of the inner sleeve, the elastic gaskets are located at the outer ends of the inner sleeve and the outer sleeve and simultaneously seal the two sealing washers, and the elastic gaskets, the sealing washers and the elastic sleeve rings are fastened together through the sealing plug rivets to seal the heat-insulating material and the phase-change material.
A filter and a dehumidifier are connected to an air inlet pipeline of the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system, phase-change materials are arranged inside and outside a pipe at the connecting side of the vertical pipe-buried tunnel and an air outlet pipeline, and a condensed water collecting and discharging pipeline is arranged at the bottom of the vertical pipe-buried tunnel; the air inlet pipeline and the air outlet pipeline are respectively connected with an air valve, and the air outlet pipeline is connected with a fan.
A circulation loop is formed between the PCM energy storage tank and the hot water tank of the solar refrigerating and heating system through a connecting pipeline and a hot water circulating pump; a closed loop is formed between the PCM energy storage tank and the solar air conditioner through a connecting pipeline and a hot water circulating pump; a cooling loop is formed between the solar air conditioner and the phase-change energy-storage decorative wallboard through a connecting pipeline; a heating loop is formed between the hot water tank and the phase-change energy-storage decorative wall plate through a connecting pipeline; the fluid in the connecting pipeline between the solar air conditioner and the hot water tank and the phase-change energy storage decorative wall plate is water, and the fluid in the connecting pipeline between other equipment is heat conducting oil; and the PCM energy storage tank and the hot water tank are respectively provided with an auxiliary heat source, and the hot water tank is connected with a water supplementing device.
The PCM energy storage tank is provided with a 1 、d 1 、f 1 Three inlets and b 1 、c 1 、e 1 Three outlets, the hot water tank has c 2 、b 2 、f 2 Three inlets and a 2 、d 2 、e 2 Three outlets, the solar air conditioner has a 3 、d 3 Two inlets and b 3 、c 3 Two outlets; the outlet of the solar photovoltaic photo-thermal integrated component is respectively connected with the PCM energy storage tank a through a connecting pipeline and a four-way valve 1 Inlet, hot water tank c 2 Inlet and solar air conditioner a 3 The inlets are communicated; b of PCM energy storage tank 1 Outlet, hot water tank d 2 B of outlet and solar air conditioner 3 The outlet is communicated with the inlet of the solar photovoltaic photo-thermal integrated assembly through a connecting pipeline; c of PCM energy storage tank 1 Outlet and hot water tank b 2 Inlet, hot water tank a 2 D of outlet and PCM energy storage tank 1 The inlets are respectively communicated through connecting pipelines; e of PCM energy storage tank 1 Outlet and solar air conditioner a 3 Inlet, solar air conditioner b 3 Outlet and PCM energy storage tank f 1 The inlets are respectively communicated through connecting pipelines; c of solar air conditioner 3 An outlet and an inlet of the phase-change energy-storage decorative wallboard, an outlet of the phase-change energy-storage decorative wallboard and a solar air conditioner 3 The inlets are respectively communicated through connecting pipelines; e of hot water tank 2 The outlet and the inlet of the phase-change energy-storage decorative wallboard, the outlet of the phase-change energy-storage decorative wallboard and the outlet of the hot water tank 2 The inlets of the hot water tank are respectively communicated through a connecting pipeline 2 The outlet is simultaneously connected with the domestic hot water pipe; a of PCM energy storage tank 1 Inlet and b 1 Outlet, d 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The inlets are connected through spiral copper tubes; a of the hot water tank 2 Outlet and b 2 Inlet, c 2 Inlet and d 2 The outlets are connected through spiral copper tubes; a of solar air conditioner 3 Inlet and b 3 The outlets are communicated to form a heat medium channel c 3 Outlet and d 3 Inlet is connectedForming a refrigerant channel; c of PCM energy storage tank 1 Outlet and hot water tank b 2 Connecting pipe between inlets, PCM energy storage tank e 1 Outlet and a of solar air conditioner 3 The connecting pipelines between the inlets are respectively connected with the hot water circulating pump, and the inlet pipeline of the solar photovoltaic and photo-thermal integrated assembly is connected with the circulating water pump.
D of the PCM energy storage tank 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The spiral copper tube between the inlets is respectively connected with the first temperature sensor and the second temperature sensor, and the hot water tank is provided with a temperature sensor.
And each inlet of the PCM energy storage tank, the hot water tank and the solar air conditioner is connected with a gate valve and a butterfly valve, and a heat insulation layer is arranged outside each connecting pipeline.
According to the invention, a vertical pipeline-buried ventilation and phase-change energy-storage coupling system and an energy-storage-based solar refrigeration and heating system are connected through a modular phase-change energy-storage decorative wall system, the modular phase-change energy-storage decorative wall is used as a heat exchange unit, the vertical pipeline-buried ventilation and phase-change energy-storage coupling system is used as a fresh air processing unit, the energy-storage-based solar refrigeration and heating system is used as a cold and heat source, cold/heat generated by solar energy is utilized to compensate fresh air processed by a pipeline air system in summer and winter, the fresh air is ensured to be delivered indoors through the modular phase-change energy-storage decorative wall system after being processed to an air supply state point, meanwhile, the cold/heat is stored in a phase-change material in the modular phase-change energy-storage decorative wall system through the energy-storage-based solar refrigeration and heating system, indoor temperature fluctuation is reduced through phase-change material adjustment, and the indoor temperature is ensured to be maintained in a human body comfort range. The invention simultaneously connects the glass cavity green plant system with the back air channel of the photovoltaic photoelectric integrated component in the energy-storage-based solar refrigerating and heating system. In winter, air in the glass cavity green plant system enters a room through a back air channel of the photovoltaic-photovoltaics integrated assembly. The air is heated by the heat generated by the solar photovoltaic panel in the back air channel of the photovoltaic-photoelectric integrated assembly, so that the temperature of the air entering the glass cavity green planting system is increased, and the utilization rate of the glass cavity green planting system in winter is increased.
In a word, the vertical pipe-buried underground ventilation and phase-change energy storage coupling system, the solar refrigerating and heating system based on energy storage, the modular phase-change energy storage decorative wall system, the glass cavity green plant system based on energy storage, and the solar refrigerating and heating system based on energy storage are integrated with the building main body, so that solar energy and geothermal energy are fully and efficiently utilized, the aim of regulating indoor temperature change by utilizing solar energy and geothermal energy all year round is fulfilled, a room is kept at 16-26 ℃ for a long time, and required domestic hot water can be provided at the same time.
Drawings
FIG. 1 is a schematic diagram of the apparatus arrangement of the present invention.
Fig. 2 is an enlarged view of a direction a in fig. 1.
Fig. 3 is an enlarged structural schematic view of the phase change energy storage decorative wall panel in fig. 2.
Fig. 4 is a schematic view of B-B in fig. 3.
Fig. 5 is a schematic view of C-C in fig. 3.
FIG. 6 is an enlarged cross-sectional side view of the glass cavity greening system of FIG. 1.
Fig. 7 is a schematic view of fig. 6 from D-D (without the blind shown).
Figure 8 is a schematic axial side view of the keel support of figure 1.
Fig. 9 is an enlarged schematic view of a portion E in fig. 7.
Fig. 10 is an enlarged structural schematic diagram of the vertical pipeline-buried ventilation and phase-change energy-storage coupling system in fig. 1.
Fig. 11 is a schematic view of the structure of one of the vertical buried pipes of fig. 10.
Fig. 12 is a schematic sectional view F-F in fig. 11.
Fig. 13 is an enlarged schematic view of a portion G in fig. 11.
Fig. 14 is an enlarged schematic view of a portion H in fig. 11.
Fig. 15 is a schematic layout view of an amplifying device of the energy storage based solar cooling and heating system in fig. 1.
Fig. 16 is an enlarged structural schematic diagram of the PCM energy storage tank in fig. 15.
Fig. 17 is an enlarged structural view of the hot water tank of fig. 15.
Detailed Description
As shown in fig. 1, the energy storage based near-zero energy consumption building system disclosed in this embodiment includes a building main body 1, a modular phase change energy storage decorative wall system 2, a glass cavity green plant system 3, a vertical pipe-buried ventilation and phase change energy storage coupling system 4, and an energy storage based solar refrigeration and heating system 5.
Fig. 2 to 5 are schematic structural diagrams of the modular phase-change energy-storage decorative wall system 2 according to the embodiment.
As shown in fig. 2, the modular phase-change energy-storage decorative wall system 2 of the present embodiment is assembled by four modular phase-change energy-storage decorative wall panels 21. A water flow channel is arranged in the horizontal direction of the assembled wall body, an air channel is arranged in the vertical direction of the assembled wall body, the lower end of the air channel is connected with an outdoor air supplementing pipeline 22, and the two ends of the water flow channel are respectively connected with a water inlet main pipe 23 and a water return main pipe 24.
As shown in fig. 3 to 5, the phase-change energy-storage decorative wall panel 21 is a rectangular panel having an enclosure 211, air channels 212 and water channels 213 are arranged in the enclosure 211 and do not intersect in the longitudinal and transverse directions, the air channels 212 and the water channels 213 are respectively arranged on the inner side and the outer side of the phase-change energy-storage decorative wall panel 21 in the thickness direction, and the water channels 213 can perform radiation heat exchange with the indoor space through heat conduction on the outer side. The packaging shell 211 is preferably made of 1-2mm thick aluminum alloy plate, and the corresponding interfaces are respectively arranged at the positions corresponding to the two ends of the air channel 212 and the water channel 213, the interfaces at the two ends of the air channel 212 are plug interfaces 214, and the interfaces at the two ends of the water channel 213 are screw interfaces 215. The four corners of the package body 211 are provided with mounting holes 216 for fixing with the main wall of the building. The phase-change energy storage material in the packaging shell is paraffin, 5% -10% of graphene is added into the paraffin in order to increase the heat-conducting property of the phase-change material, and the graphene and the paraffin are stirred into a viscous state before filling.
The horizontal length of the phase-change energy-storage decorative wall plate 21 is preferably 800mm-1000mm, the height is preferably 400mm-500mm, and the thickness is preferably 40mm-50mm, so that the modular production, installation and disassembly are facilitated. The distance between the air channel 212 and the water flow channel 213 in the thickness direction is preferably about 5mm, the diameter of the air channel is preferably 20mm-25mm, and the distance between the adjacent air channels is preferably 15mm-20mm; the diameter of the water flow channels is preferably 5mm to 10mm, and the distance between adjacent water flow channels is preferably 15mm to 20mm.
The air channel interface and the water channel interface of the adjacent phase-change energy-storage decorative wall plate 21 are respectively connected with the threaded sleeve into a whole in an inserting mode. After the phase-change energy-storage decorative wall boards 21 are connected, a water inlet main pipe 23 and a water return main pipe 24 are connected to the two sides of the water flow channel respectively.
Fig. 6-9 are schematic structural views of the glass cavity green-planting system 3 of the present embodiment.
As shown in fig. 6, the glass cavity green plant system 3 of the present embodiment includes a keel bracket 31, a plant curtain wall 32, a glass curtain wall 33, a venetian blind 34, a phase change energy storage plate 35, a phase change energy storage tank 36, a silent fan 37, an electric air valve 38, and a middle-effect filter 39. As shown in fig. 6 and 7, the outer wall of the building body 1 to which the green plant glass curtain wall 32 is attached includes an inner energy storage plate 11, an inner heat insulation plate 12, a masonry body 13, and an outer heat insulation plate 14 in sequence from inside to outside. As shown in fig. 6 and 8, the keel support 31 is a steel support with a cavity, and the keel support of this embodiment is surrounded by rectangular steel. As shown in fig. 7 and 9, the keel support 31 and the outer wall of the building body are connected and fixed by U-shaped steel 311, one side wall of the U-shaped steel is connected and fastened with the section steel of the keel support 1 by a screw, and the other side wall is fixed with the outer insulation board 14 of the building main wall 1 by a rivet. As shown in fig. 6 and 7, the phase change energy storage plate 35 is an integral part of aluminum alloy plates on two sides and phase change material filled therein, and the phase change energy storage plate 35 is embedded and installed in a size corresponding to a rectangular frame surrounded by longitudinal and transverse steel of the keel support 31. For better energy storage, a heat absorbing material is coated on the upper part of the aluminum alloy plate. The phase-change material adopts paraffin, the phase-change temperature is 20 ℃, and in order to enhance heat exchange, 5% -10% of graphene and carbon fiber are added into the paraffin to form a mixture of 1:1. The phase-change energy storage plate can absorb certain energy, provide certain cold energy for air circulation in the cavity in summer and provide certain heat in winter, and can adjust indoor temperature to be stabilized in a certain range. The phase change energy storage plate 35 is arranged on the keel bracket 31 and forms a cavity with the outer heat insulation plate layer 14 of the building main wall 1, and the cavity has the functions of heat insulation and heat preservation.
As shown in fig. 6, the plant curtain wall 32 includes a culture medium 321 and green plants 322 planted on the culture medium 321, and the culture medium 321 of the embodiment adopts a soil-spreading block which is not mildewed and has self nutrition. The culture medium is fixed on the outer side of the phase change energy storage plate 35, so that the culture medium 321 is stabilized in a certain temperature range for a long time, and good growth of the green plants 322 is ensured.
As shown in fig. 6, a water supply pipe GS is provided above the plant curtain wall 32 in the width direction thereof, and nozzles are uniformly distributed outside the water supply pipe GS and are controlled to regularly spray water to the plants to maintain the normal growth of the plants. A water collecting groove JSC is arranged below the plant curtain wall 32 to collect redundant spray water, and a water drainage pipe P is arranged at the end part of the water collecting groove to drain water in the water collecting groove out of the cavity of the keel support 31. In summer, the air temperature in the cavity can be reduced by spraying through the nozzle. The water supply pipe GS may be connected to an indoor tap water pipe to supply water.
As shown in fig. 6, the phase change energy storage tanks 36 are arranged along the width direction of the keel support 31, and the phase change energy storage tanks 36 are uniformly distributed at the lower part of the cavity outside the keel support 31 through angle iron supports J. The phase change energy storage tank of this embodiment adopts transparent glass jar, and 5cm are chooseed for use to the diameter of glass jar, and the interval between the adjacent glass jar sets up to 10cm, and the phase change energy storage tank upwards arranges from the bottom of fossil fragments support cavity, arranges the height about 150cm-200cm. Paraffin with the phase change temperature of 30 ℃ is packaged in the glass tank to be used as a phase change material.
In winter, solar radiation can enter the cavity of the keel bracket through the glass tank, and the lighting of green plants cannot be influenced; the phase change material in the glass tank can absorb and store a large amount of solar heat in winter, so that the temperature in the cavity is stabilized in a certain temperature range for a long time, and certain heat can be continuously provided for the house room.
As shown in fig. 6 and 7, the glass curtain wall 33 is a double-layer glass curtain wall, in this embodiment, 5+18a +5 common hollow glass is adopted, and the glass curtain wall is laid on the periphery of the keel support to form a closed cavity in the cavity of the keel support. In order to keep the air in the closed cavity to circulate, air ports are respectively arranged at the top and the bottom of the building main wall 1 and the top and the bottom of the glass curtain wall 33, an electric air valve 38 and an intermediate filter 39 are respectively arranged at the air ports of the building main wall 1, and the electric air valve 38 is arranged at the air ports of the glass curtain wall. The air openings at the top and the bottom of the outer wall of the building main body are about 10cm away from the corresponding edges of the plant curtain wall, and medium-efficiency filters are arranged at the inlets of the air openings. The outer side of the cavity of the keel support 1 is provided with a silent fan 8 corresponding to the upper air port and the lower air port of the glass curtain wall respectively, the silent fan at the upper end is started in winter and mainly used as a power source for providing hot air for the lower air port, and the silent fan at the lower end mainly provides a power source for providing cold air for the upper air port. A temperature sensor W is further arranged in the cavity of the keel support, and the control center controls the silent fan and the electric air valve to be opened and closed through temperature data acquired by the temperature sensor.
A vertical blind 34 is further provided on the outer side of the glass curtain wall 33, and a rain screen DY is provided on the upper side of the glass curtain wall 33 above the vertical blind 34. In winter, the blades of the venetian blind are opened, so that more solar radiant heat enters the cavity of the keel bracket to enable the phase-change energy storage tank to absorb and store heat; when the solar radiation is strong in summer, the blades of the vertical blind are closed to block a part of solar radiation heat, so that the overhigh temperature in the cavity is avoided. The rain baffle mainly reduces the damage of rain water to the shutter curtain.
Fig. 10-14 are schematic structural diagrams of the vertical buried pipeline ventilation and phase change energy storage coupling system 4 of the embodiment. The vertical buried pipeline ventilation and phase change energy storage coupling system of the embodiment utilizes the characteristic that the temperature of underground soil is relatively stable, takes air as a heat exchange medium, and realizes that the heat exchange of the underground pipeline air and the underground soil provides cold energy for the house room through the vertical buried pipeline and the coupling of the phase change materials inside and outside the vertical buried pipeline, thereby realizing the efficient utilization of a soil cold source on the basis of greatly reducing the occupied area and simultaneously improving the quality of indoor air.
As shown in fig. 10, the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system 4 of the present embodiment includes a vertical pipe-buried 41 buried in soil along a vertical direction, two ends of the vertical pipe-buried 41 are respectively connected to an air inlet pipeline and an air outlet pipeline located on the ground, a terminal of the air outlet pipeline is connected to the modular phase-change decorative wall system, the air inlet pipeline is connected to a filter 42 and a dehumidifier 43, the air inlet pipeline and the air outlet pipeline are respectively connected to an air valve 44, and the air inlet pipeline is connected to a fan 45. The filter 42 of the present embodiment is a medium efficiency filter.
As shown in fig. 10 and 11, the vertical buried pipe 41 piping shaft GD is buried in the soil, and includes a plurality of U-shaped pipes connected in parallel, and the number of the U-shaped pipes is determined by the building cooling load. Each U-shaped pipe includes an air down pipe 411, an air up pipe 412, and a bottom curved duct 413, the upper end of the air down pipe 411 is communicated with the air inlet duct, and the upper end of the air up pipe 412 is communicated with the air outlet duct. The lower ends of the air down pipe 411 and the air up pipe 412 are respectively provided with a tapered conical section, the air down pipe 11 and the air up pipe 412 are communicated above the conical section through a communication pipe 414, the burying depth of the U-shaped pipe in this embodiment is about 20 meters, and the communication pipe 414 is arranged about 1m above the bottom bend 413.
As shown in fig. 11 to 14, the shallow section of the air ascending pipe 412 is externally sleeved with an outer sleeve 4121 made of PVC, an insulating material 4122 and a phase change material 4123 are sequentially arranged between the outer sleeve 4121 and the air ascending pipe 412, the phase change material is placed in an inner sleeve 4124, and both ends of the inner sleeve 4124 and the outer sleeve 4121 are respectively connected with a sealing assembly M to prevent groundwater from immersing in the insulating material. The outer sleeve 4121 is arranged in the underground 0-8 m range of the air ascending pipe, based on the depth of the soil layer with the temperature lower than 20 ℃ in the area. The heat insulation material adopts 3-5cm of polyurethane.
As shown in fig. 11 and 13, the seal assembly M includes a resilient collar M1, a sealing gasket M2, a resilient gasket M3, and a plug rivet M4. The elastic lantern rings M1 are respectively sleeved on the outer wall of the air ascending tube 412 and the outer wall of the outer sleeve 4121, the sealing washers M2 are respectively sleeved on the outer walls of the air ascending tube 412 and the outer sleeve 4121 and correspond to the outer ends of the elastic lantern rings M1, the outer ends of the sealing washers M2 are flush with the outer ends of the outer sleeve 4121 and the inner sleeve 4124, the elastic washers M3 are located at the outer ends of the inner sleeve 4121 and the outer sleeve 4121 and simultaneously seal the two sealing washers M2, and the elastic washers M3, the sealing washers M2 and the elastic lantern rings M1 are fastened into a whole through the sealing plug rivets M4 to seal the heat-insulating material and the phase-change material. The thickness of the elastic lantern ring M1 is 1-2cm and is larger than the diameter of the rivet, and the joint of the elastic washer M2 and the sealing washer M3 is coated with glass cement for sealing during construction.
As shown in fig. 11, the phase change material encapsulated by the cylindrical tube 415 is suspended on the axial center line of the air ascending tube 412, the lower end of the cylindrical tube 415 is located at the communicating tube 414, the upper end is lower than the upper end surfaces of the inner and outer sleeves, and the phase change temperature of the phase change material in the cylindrical tube 415 increases from bottom to top. The phase change materials of the embodiment all adopt paraffin, and 5% -10% of a mixture consisting of 1:1 of graphene and carbon fibers is added into the paraffin. The phase change materials in the cylindrical tube are arranged into three layers, and the phase change temperatures from bottom to top are 16 ℃, 18 ℃ and 20 ℃ in sequence. The phase transition temperature of the phase change material outside the air ascending pipe in this example was 20 ℃. The cylindrical tube of this example was a 5cm diameter tube.
As shown in fig. 14, two sides of the upper end of the bottom curved conduit 413 are respectively connected with a reducer union, the reducer union comprises a conical section 416 which is tapered upwards and a cylindrical section 417 above the conical section, the upper port of the cylindrical section is in butt joint with the lower port of the conical section into a whole, and a funnel 418 for receiving condensed water is arranged in the upper part of the cylindrical section. The wall slope of the funnel 418 in this embodiment is greater than 45 degrees, and the wall slope is enough for the condensed water to flow downwards under the action of gravity; funnel outlet diameter is not more than 10mm to make during the comdenstion water in air down pipe and the air up pipe can get into the bottom return bend smoothly, and intraductal air is difficult for following the funnel and passes through, thereby is difficult to form the air convection in making the bottom bend, reduces the pollution of comdenstion water to intraductal air. As shown in fig. 11 and 14, a drain pipe 48 is connected to the lowest position of the bottom curve 413, and a drain pump 49 is connected to the drain pipe 8 after extending out of the ground from the ground. A water level sensor swcgq is provided at an upper portion of the bottom curve 413.
The underground buried pipe is buried in the pipe shaft along the vertical direction, the defect that a conventional horizontal buried pipe system needs to occupy an overlarge foundation pit area is overcome, and the problem that the conventional horizontal buried pipe system is low in efficiency due to the fact that the temperature of shallow soil in partial areas is high is solved. The phase-change material in the underground buried pipe can store the soil cold contained in part of the tunnel ventilation. Along with the extension of the operation time of the system, the heat exchange efficiency of the tunnel is reduced, and at the moment, the cold energy stored by the phase-change material is used as a cold source for ventilation of the tunnel and used for cooling air in the pipe, so that the effective acting time of the system is prolonged. Meanwhile, the phase-change material outside the vertical buried pipe plays double roles of heat preservation and energy storage, cold energy can be stored when the wind speed is low, the shallow heat preservation pipe section is effectively utilized, and the action length of the tunnel is effectively prolonged.
The phase change energy storage pipes inside and outside the vertical buried pipe effectively increase the heat exchange area of the tunnel ventilation, thereby improving the cooling effect. The arrangement of the condensate water collecting and discharging pipeline at the bottom of the vertical buried pipe makes full use of gravity to collect condensate water in the pipe and discharge the condensate water to the outdoor ground through the drain pipe. The funnel structure set up can reduce or avoid the contact of comdenstion water and intraductal circulation air to greatly reduced conventional horizontal pipe laying system with the mould and the germ that the condensation arouses in summer breed the possibility of introducing indoor, effectively improved the indoor air quality.
Fig. 15-17 are schematic structural diagrams of the solar cooling and heating system 5 based on energy storage according to the embodiment.
As shown in fig. 15, the solar cooling and heating system based on energy storage of the present embodiment is composed of a heating/cold side, a heat storage side and a user side. The heating/cooling side uses heat conducting oil as heat/cooling medium, and utilizes solar energy to generate heat energy/cold energy, and the system structure related in the process mainly comprises a solar photovoltaic photo-thermal integrated assembly 51, a circulating water pump 52 and a solar air conditioner 56. The solar photovoltaic photo-thermal integrated assembly completes the heat collection process of the system and is used for supplying hot water/domestic hot water and supplying hot water required by the solar air conditioner 56. The heat storage side stores the heat energy generated by the heating/cold side, and supplies heat to the heating/cold side and the user side, wherein the system structure comprises a PCM energy storage tank 53, a hot water tank 54 and a hot water circulating pump 55. The user side is a system structure related to the process of supplying hot water flowing out through the heat storage side or cold water flowing out through the heating/cold side to indoor processing air and hot water flowing out through the heat storage side to the user living hot water, and the system structure comprises a phase change energy storage decorative wall plate 21 and a living hot water pipe 511. The heating/cold side, the heat storage side and the user side are connected through a connecting piece to form a complete solar refrigerating and heating system based on PCM energy storage, and the connecting piece comprises a connecting pipeline and a four-way reversing valve 510.
As shown in fig. 15 and 16, the PCM accumulator tank 53 is provided with a 1 、d 1 、f 1 Three inlets and b 1 、c 1 、e 1 Three outlets. a is 1 Inlet and b 1 Outlet, d 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The inlets are connected through spiral copper tubes.
As shown in fig. 15 and 17, the hot water tank 54 has c 2 、b 2 、f 2 Three inlets and a 2 、d 2 、e 2 Three outlets. a is 2 Outlet and b 2 Inlet, c 2 Inlet and d 2 The outlets are connected through spiral copper tubes.
As shown in FIG. 15, the solar air conditioner 56 has a 3 、d 3 Two inlets and b 3 、c 3 Two outlets. a is 3 Inlet and b 3 The outlets are communicated through a spiral copper tube to form a heating medium channel c 3 Outlet and d 3 The inlets are communicated through a spiral copper tube to form a refrigerant channel.
As shown in fig. 15, the outlet of the solar photovoltaic/photothermal integrated module 51 is connected to a of the PCM energy storage tank 53 through a connecting pipe and a four-way valve 510 1 Inlet, hot water tank 54 c 2 Inlet and a of solar air conditioner 56 3 Inlet connected, PCM energy storage tank b 1 Outlet, hot water tank d 2 Outlet, solar air conditioner b 3 The outlet is communicated with the inlet of the solar photovoltaic photo-thermal integrated assembly 51 through a connecting pipeline to form a circulation loop. A circulating water pump 52 is connected to an inlet pipeline of the solar photovoltaic and photo-thermal integrated assembly 51.
C of PCM energy storage tank 53 1 B of outlet and hot water tank 54 2 Inlet, a of hot water tank 54 2 Outlet and PCM accumulator tank 53 d 1 The inlets are communicated through connecting pipelines respectively to form a circulationAnd (4) a loop. D of PCM energy storage tank 53 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The spiral copper tube between the inlets is respectively connected with a first temperature sensor cgq1 and a second temperature sensor cgq, and a temperature sensor cgq is arranged in the hot water tank 54.
E of PCM energy storage tank 53 1 Outlet and solar air conditioner 56 a 3 Inlet, solar air conditioner 56 b 3 Outlet from PCM accumulator tank 53 1 The inlets are respectively communicated with a closed loop through connecting pipelines.
C of PCM energy storage tank 53 1 B of outlet and hot water tank 54 2 Connecting pipe between inlets, e of PCM energy storage tank 53 1 Outlet and a of solar air conditioner 56 3 The connecting pipes between the inlets are respectively connected with a hot water circulating pump 55.
The phase-change material in the PCM energy storage tank 53 adopts paraffin with the phase-change temperature of 100 ℃, the paraffin is packaged in a stainless steel packaging tank with the diameter of 100cm, and simultaneously 5% -10% of graphene and carbon fiber are added into the paraffin to form a mixture according to 1:1. The heat conducting oil is used as a heat transfer medium.
Spiral electric heating pipes are arranged in the PCM energy storage tank 53 and the hot water tank 54 as auxiliary heat sources, and g in figures 16 and 17 1 、h 1 And g 2 、h 2 Respectively are external connectors of the spiral electric heating tube. The arrangement of the spiral electric heating pipe can ensure that the system can normally and stably run when the solar energy is insufficient or the stored heat energy is insufficient.
C of solar air conditioner 56 3 The outlet, the inlet of the phase-change energy-storage decorative wall plate 21, the outlet of the phase-change energy-storage decorative wall plate 21 and d of the solar air conditioner 56 3 The inlets are communicated with each other through connecting pipelines to form a cooling loop.
E of the hot water tank 54 2 Outlet and inlet of phase-change energy-storage decorative wall plate 21, outlet of 21 and f of hot water tank 54 2 E inlet of the hot water tank 54 is connected to form a heating loop 2 The outlet is also connected with a domestic hot water pipe 511. The hot water tank 54 is also connected to a water replenishment device 58, which is fed through an i-port of the hot water tank, as shown in fig. 17. The water replenishing device is used for replenishing the supply generatorThe amount of water in the live hot water and heat supply process is lost. The water replenishing speed is equal to the water taking speed of domestic hot water as far as possible.
The fluid in the connecting pipeline between the solar air conditioner 56 and the phase-change energy-storage decorative wall plate 21 is water, and the fluid in the connecting pipeline between other devices is heat-conducting oil. The heat conducting oil can prevent the fluid from evaporating when the temperature is too high.
The PCM energy storage tank, the hot water tank and each inlet of the solar air conditioner are connected with a gate valve and a butterfly valve to control the flow of fluid in each connecting pipeline, and a rubber plastic heat-insulating layer is arranged outside each connecting pipeline to prevent the energy loss of the system.
The working process of the embodiment is as follows:
summer system domestic hot water and air conditioner mode
(a) When solar radiation exists, the solar refrigerating and heating system based on energy storage is started, the system simultaneously generates electricity by utilizing solar energy and prepares a high-temperature medium, and the generated electricity is stored in a storage battery and is used for power supply of each system; the heat is stored in the PCM energy storage tank by utilizing a high-temperature medium, and the PCM energy storage tank is used for heating the hot water tank and preparing cold energy by using the solar air conditioner.
And when the building main body has no load demand, the operation of the solar refrigerating and heating system based on the energy storage is maintained.
When the building main body has a load demand, opening a vertical pipeline buried ventilation and phase change energy storage coupling system and a refrigeration part of a solar refrigeration and heating system based on energy storage, simultaneously communicating the vertical pipeline buried ventilation and phase change energy storage coupling system with a modular phase change energy storage decorative wall, and communicating the solar refrigeration and heating system based on energy storage with the modular phase change energy storage decorative wall; the cold energy that produces among the solar energy refrigeration and heating system based on the energy storage is sent to the rivers passageway of modularization phase transition energy storage decoration wallboard, give the phase change material in the wallboard and the new trend in the air channel with cold energy transmission, the vertical pipe laying ground way ventilation simultaneously with the air channel of phase transition energy storage coupled system with the new trend of handling send to the phase transition energy storage decoration wallboard in the air channel, this process can guarantee that the new trend is handled and is sent to indoorly behind the air supply state point, phase change material in the phase transition energy storage decoration wallboard can reduce the fluctuation of indoor temperature simultaneously, confirm that indoor temperature maintains in human thermal comfort within range.
(b) Shutting down the system when there is no solar radiation and when the building has no load demand; at the moment, if the building has a load demand, a refrigerating part based on an energy storage solar refrigerating and heating system is started, cold energy is prepared by utilizing heat stored in a PCM energy storage tank, a vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system is started, the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system is communicated with a modular phase-change energy storage decorative wall system, the energy storage solar refrigerating and heating system is communicated with the modular phase-change energy storage decorative wall based on radiation and convection, cold energy generated in the energy storage solar refrigerating and heating system is sent to a water flow channel of the modular phase-change energy storage decorative wall system, the cold energy is transmitted to phase-change materials and fresh air in the wall body, the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system is controlled to send the processed fresh air to an air channel of the modular phase-change energy storage decorative wall body, the process can ensure that the fresh air is sent to the indoor after being processed to an air supply state point, meanwhile, the phase-change materials in the phase-change energy storage decorative wall can reduce indoor heating fluctuation, and ensure that the indoor temperature is maintained in a human thermal comfort range.
(c) The glass cavity green plant system is kept open in summer, the load in the room is reduced through green plants, and oxygen is provided for the room.
Hot water for life in transitional season
(a) When solar radiation exists, the solar refrigeration and heating system based on energy storage is started, the system simultaneously generates electricity by utilizing solar energy and prepares a high-temperature medium, the generated electricity is stored in the storage battery and is used for power supply of each system of the building, and heat is stored in the PCM energy storage tank by utilizing the high-temperature medium and is used for heating the hot water tank. When the building main body has no hot water demand, the operation of the solar refrigerating and heating system based on the energy storage is maintained. When the building has hot water load demand, the hot water in the hot water tank can be directly used.
(b) When no solar radiation exists, the connection between the energy storage tank and the hot water tank in the solar refrigeration and heating system based on energy storage is opened, and the temperature of the hot water tank is ensured to be higher than the required temperature range. When the load requirement exists in the building, the hot water in the hot water tank can be directly used.
(c) The green system of planting of glass cavity keeps opening in transition season, for indoor oxygen that provides, improves the comfort level.
Winter system domestic hot water and heating mode
(a) When solar radiation exists, a solar refrigeration and heating system based on energy storage is started, the system simultaneously generates electricity by utilizing solar energy and simultaneously prepares a high-temperature medium, the generated electricity is stored in a storage battery and is used for power supply of each system of a building, and heat is stored in a PCM heat storage tank by utilizing the high-temperature medium and is used for heating a hot water tank; and when the building has no load demand, the operation of the solar refrigerating and heating system based on the energy storage is maintained. When a building has a load demand, a vertical pipe burying underground pipeline ventilation and phase change energy storage coupling system is started, meanwhile, the vertical pipe burying underground pipeline ventilation and phase change energy storage coupling system is communicated with a modularized phase change energy storage decorative wall system, a solar refrigeration and heating system based on energy storage is communicated with the modularized phase change energy storage decorative wall, heat generated in the solar refrigeration and heating system based on energy storage is sent to a water flow channel of the modularized phase change energy storage decorative wall system, the heat is transferred to phase change materials and fresh air in a wall body, the vertical pipe burying underground pipeline ventilation and phase change energy storage coupling system sends the processed fresh air to an air channel of the modularized phase change energy storage decorative wall system, the underground pipeline air cannot process the fresh air to an air supply state point in winter, the fresh air is secondarily heated in the modularized phase change energy storage decorative wall to the air supply state point and then is sent to the indoor, meanwhile, the phase change materials in the phase change energy storage decorative wall release heat, indoor temperature fluctuation can be reduced, and the indoor temperature is guaranteed to be maintained within a human body thermal comfort range.
(b) The system is shut down when there is no solar radiation, and when the building is not on load demand. When a building has a load demand, a vertical pipe buried underground ventilation and phase change energy storage coupling system is started, meanwhile, the vertical pipe buried underground ventilation and phase change energy storage coupling system is communicated with a modularized phase change energy storage decorative wall system, a solar refrigeration and heating system based on energy storage is communicated with the modularized phase change energy storage decorative wall, heat generated in the solar refrigeration and heating system based on energy storage is sent to a water flow channel of the modularized phase change energy storage decorative wall system, the heat is transferred to phase change materials and fresh air in a wall body, the vertical pipe buried ventilation and phase change energy storage coupling system sends the processed fresh air to an air channel of the modularized phase change energy storage decorative wall body, the fresh air cannot be processed to an air supply state point in winter, the fresh air is heated secondarily in the modularized phase change energy storage decorative wall system to the air supply state point and then is sent indoors, meanwhile, the phase change materials in the phase change energy storage decorative wall release heat to reduce indoor temperature fluctuation, and the indoor temperature is guaranteed to be maintained within a human body heat comfort range.
(c) When solar radiation exists, the glass cavity green planting system is communicated with the back air channel of the solar photovoltaic photo-thermal integrated assembly, fresh air in the cavity of the glass cavity green planting system is heated to an air supply state point through the air channel and then is sent into a room, meanwhile, the plants can provide certain oxygen and water vapor for the room through photosynthesis and transpiration, indoor circulating air is purified, indoor air quality is improved, and the comfort level of indoor human bodies is improved. When no solar radiation exists, the communication between the glass cavity green planting system and the air duct at the back of the solar photovoltaic and photo-thermal integrated assembly is closed, and the communication between the glass cavity green planting system and the indoor space is closed.

Claims (10)

1. The utility model provides a nearly zero energy consumption building system based on hold energy which characterized in that: the building system comprises a building main body, a modular phase-change energy-storage decorative wall system, an energy-storage-based glass cavity green planting system, a vertical pipeline-buried ventilation and phase-change energy-storage coupling system and an energy-storage-based solar refrigerating and heating system; the modularized phase-change energy-storage decorative wall system and the glass cavity green planting system are respectively arranged on the inner side and the outer side of different outer walls of the building main body;
the modular phase-change energy-storage decorative wall system comprises a plurality of phase-change energy-storage decorative wall boards which are mutually assembled, wherein a phase-change energy-storage material, an air channel and a water channel which penetrate through the phase-change energy-storage material are arranged in each phase-change energy-storage decorative wall board;
the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system comprises a vertical pipe buried in soil in the vertical direction, two ends of the vertical pipe are respectively connected with an air inlet pipeline and an air outlet pipeline which are positioned on the ground, and the terminal of the air outlet pipeline is communicated with an air channel of the phase-change energy storage decorative wallboard, so that treated fresh air can be sent into a room;
the vertical buried pipe of the vertical buried pipeline ventilation and phase change energy storage coupling system is buried in soil through a pipeline well and comprises a plurality of U-shaped pipes which are connected in parallel, each U-shaped pipe comprises an air descending pipe, an air ascending pipe and a bottom bend, the upper end of the air descending pipe is communicated with the air inlet pipeline, the upper end of the air ascending pipe is communicated with the air outlet pipeline, the upper part of the air ascending pipe is externally sleeved with a PVC outer sleeve pipe, a heat insulation material and a phase change material are sequentially arranged between the outer sleeve pipe and the air ascending pipe, the phase change material is arranged in the inner sleeve pipe, and two ends of the inner sleeve pipe and the outer sleeve pipe are respectively connected with a sealing assembly; the lower ends of the air descending pipe and the air ascending pipe of each U-shaped pipe are respectively provided with a tapered conical section, and the air descending pipe and the air ascending pipe are communicated above the conical sections through a communicating pipe; the phase-change material packaged by the cylindrical pipe is hung on the axial central line of the air ascending pipe of the U-shaped pipe, the lower end of the cylindrical pipe is positioned at the communicating pipe, the upper end of the cylindrical pipe is lower than the upper end surfaces of the inner sleeve and the outer sleeve, and the phase-change temperature of the phase-change material in the cylindrical pipe is sequentially increased from bottom to top; the two sides of the upper end of the bottom bend are respectively connected with a reducing joint, the reducing joints comprise conical sections gradually reducing upwards and cylindrical sections above the conical sections, the upper end openings of the cylindrical sections are integrally butted with the lower end openings of the conical sections, and funnels for receiving condensed water are arranged in the upper parts of the cylindrical sections; the lowest position of the bottom bend is connected with a drain pipe, and the drain pipe extends out of the ground from the ground and is connected with a drainage pump; the wall surface gradient of the funnel is more than 45 degrees, and the diameter of the outlet is less than 10mm; a water level sensor is arranged at the upper part of the bottom bend;
the sealing assembly comprises two elastic lantern rings, two sealing washers, two elastic washers and a sealing plug rivet, the two elastic lantern rings are respectively sleeved on the outer wall of the air ascending pipe and the outer wall of the outer sleeve, the two sealing washers are respectively sleeved on the outer walls of the air ascending pipe and the outer sleeve and correspond to the outer ends of the elastic lantern rings, the outer ends of the sealing washers are flush with the outer ends of the outer sleeve and the inner sleeve, the elastic washers are positioned at the outer ends of the inner sleeve and the outer sleeve and simultaneously seal the two sealing washers, and the elastic washers, the sealing washers and the elastic lantern rings are fastened into a whole through the sealing plug rivet to seal the heat-insulating material and the phase-change material;
the solar refrigeration and heating system based on energy storage comprises a solar photovoltaic and photo-thermal integrated assembly, a solar air conditioner, a PCM energy storage tank and a hot water tank, wherein an inlet and an outlet of the solar photovoltaic and photo-thermal integrated assembly are respectively communicated with the PCM energy storage tank, the hot water tank and the solar air conditioner to form a circulation loop; the PCM energy storage tank is used as a heat source and is respectively communicated with the hot water tank and the solar air conditioner; the solar air conditioner and the hot water tank are respectively communicated with a water flow channel of the phase-change energy-storage decorative wall plate, and fresh air in an air channel in the phase-change energy-storage decorative wall system can exchange heat with fluid in the water flow channel and then is sent into a room, so that the indoor load requirement is met, and the indoor temperature is adjusted; the hot water tank is connected with a domestic hot water pipe;
the glass cavity green planting system is fixed on the outer wall of the building main body in the vertical direction, the bottom surface of the glass cavity green planting system is fixed on a keel support with a cavity on the ground, a glass curtain wall is laid on the periphery of the keel support, a phase change energy storage plate is fixed on the inner side of the height direction of the cavity of the keel support, a phase change energy storage tank is arranged on the outer side of the cavity of the keel support, a fan is arranged in the cavity of the keel support, a plant curtain wall is arranged on the outer side of the phase change energy storage plate, and openable and closable air ports are respectively arranged at the top and the bottom of the outer wall of the building main body and the glass curtain wall; the cavity of the keel support is communicated with the back air channel of the solar photovoltaic and photo-thermal integrated assembly, and air in the cavity is heated by heat generated by the solar photovoltaic panel in the back air channel of the solar photovoltaic and photo-thermal integrated assembly and then is delivered into a room through an air opening in the outer wall of the building main body.
2. The energy storage based near-zero energy consumption building system of claim 1, wherein: the phase-change energy-storage decorative wall board of the modular phase-change energy-storage decorative wall system is a rectangular board with a packaging shell, the air channel and the water channel are respectively arranged along the longitudinal direction and the transverse direction of the packaging shell in a non-intersecting manner, and the air channel and the water channel are respectively arranged on the inner side and the outer side of the phase-change energy-storage decorative wall board in the horizontal direction; the packaging shell is made of aluminum alloy materials, and corresponding interfaces are respectively arranged at the positions of two ends of the packaging shell corresponding to the air channel and the water channel; the interfaces at the two ends of the air channel are plug interfaces, the interfaces at the two ends of the water channel are threaded interfaces, the air channel interfaces and the water channel interfaces of adjacent phase-change energy-storage decorative wallboards are respectively connected with a threaded sleeve into a whole in a plug mode, and a water inlet main pipe and a water return main pipe are respectively connected with the two ends of the water channel after a plurality of phase-change energy-storage decorative wallboards are assembled; the packaging shell is also provided with a mounting hole convenient for being fixed with a main wall of a building.
3. The energy storage based near-zero energy consumption building system of claim 2, wherein: and after the phase-change energy storage decorative wallboard is assembled, the inlet end of the air channel is communicated with an air outlet pipeline of the vertical pipe burying underground ventilation and phase-change energy storage coupling system.
4. The energy storage based near-zero energy consumption building system of claim 1, wherein: the keel support of the glass cavity green plant system is a steel support, the keel support and the outer wall of the building main body are fixedly connected through U-shaped steel, and the opening width of the U-shaped steel enables a cavity to be formed between the phase change energy storage plate and the building main wall; the glass curtain wall is a double-layer glass curtain wall, the phase-change energy storage plate is an integral piece of an inner aluminum alloy plate, an outer aluminum alloy plate and a phase-change material filled between the two aluminum alloy plates, and the phase-change energy storage plate is embedded on the keel bracket; the phase-change energy storage tank is a transparent glass tank, a phase-change material is packaged in the glass tank, and the glass tank is arranged along the width direction of the keel bracket through a bracket; the phase change energy storage tanks are uniformly distributed at the lower part of the keel bracket in the height direction; the plant curtain wall comprises green plants and a culture medium block, and the culture medium block is fixed on the outer side of the phase change energy storage plate; a spraying device is arranged above the plant curtain wall, the spraying device comprises a water supply pipe arranged in the width direction of the upper end of the plant curtain wall, a plurality of nozzles are uniformly distributed on the outer side of the water supply pipe in the length direction, water outlets of the nozzles face green plants, a water collecting tank is arranged below the plant curtain wall, and a water discharge pipe penetrating through the glass curtain wall is arranged at the end part of the water collecting tank; the fan is a silent fan, the fans are uniformly arranged at the top and the bottom of the keel support, an electric air valve capable of being automatically opened and closed is arranged at the air inlet, and a middle-effect filter is arranged at the inlet of the electric air valve; the outer side of the glass curtain wall is provided with a shutter vertical curtain capable of being automatically opened and closed, and the upper side of the glass curtain wall is provided with a rain baffle positioned above the shutter vertical curtain.
5. The energy storage based near-zero energy consumption building system of claim 4, wherein: the building body is provided with an outer wall of the glass cavity green plant system, the outer wall sequentially comprises an inner energy storage plate, an inner heat insulation plate, a masonry body and an outer heat insulation plate from inside to outside, and the U-shaped steel is fixedly connected with the outer heat insulation plate.
6. The energy storage based near zero energy consumption building system of claim 1, wherein: a filter and a dehumidifier are connected to an air inlet pipeline of the vertical pipe-buried tunnel ventilation and phase-change energy storage coupling system, phase-change materials are arranged inside and outside a pipe at the connecting side of the vertical pipe-buried tunnel and an air outlet pipeline, and a condensed water collecting and discharging pipeline is arranged at the bottom of the vertical pipe-buried tunnel; the air inlet pipeline and the air outlet pipeline are respectively connected with an air valve, and the air outlet pipeline is connected with a fan.
7. The energy storage based near-zero energy consumption building system of claim 1, wherein: a circulation loop is formed between the PCM energy storage tank and the hot water tank of the solar refrigerating and heating system through a connecting pipeline and a hot water circulating pump; a closed loop is formed between the PCM energy storage tank and the solar air conditioner through a connecting pipeline and a hot water circulating pump; a cooling loop is formed between the solar air conditioner and the phase-change energy-storage decorative wallboard through a connecting pipeline; a heating loop is formed between the hot water tank and the phase-change energy-storage decorative wall plate through a connecting pipeline; the fluid in the connecting pipeline between the solar air conditioner and the hot water tank and the phase-change energy storage decorative wall plate is water, and the fluid in the connecting pipeline between other equipment is heat conducting oil; and the PCM energy storage tank and the hot water tank are respectively provided with an auxiliary heat source, and the hot water tank is connected with a water supplementing device.
8. The energy storage based near-zero energy consumption building system of claim 7, wherein: the PCM energy storage tank is provided with a 1 、d 1 、f 1 Three inlets and b 1 、c 1 、e 1 Three outlets, the hot water tank has c 2 、b 2 、f 2 Three inlets and a 2 、d 2 、e 2 Three outlets, the solar air conditioner has a 3 、d 3 Two inlets and b 3 、c 3 Two outlets; the outlet of the solar photovoltaic photo-thermal integrated component is respectively connected with the PCM energy storage tank a through a connecting pipeline and a four-way valve 1 Inlet, hot water tank c 2 Inlet and solar air conditioner a 3 The inlets are communicated; b of PCM energy storage tank 1 Outlet, hot water tank d 2 Outlet, solar air conditioner b 3 The outlet is respectively communicated with the inlet of the solar photovoltaic photo-thermal integrated assembly through a connecting pipeline; c of PCM energy storage tank 1 Outlet and hot water tank b 2 Inlet, hot water tank a 2 D of outlet and PCM energy storage tank 1 The inlets are respectively communicated through connecting pipelines; e of PCM energy storage tank 1 Outlet and solar air conditioner a 3 Inlet, solar air conditioner b 3 Outlet and PCM energy storage tank f 1 The inlets are respectively communicated through connecting pipelines; c of solar air conditioner 3 An outlet and an inlet of the phase-change energy-storage decorative wallboard, an outlet of the phase-change energy-storage decorative wallboard and a solar air conditioner 3 The inlets are respectively communicated through connecting pipelines; e of hot water tank 2 The outlet and the inlet of the phase-change energy-storage decorative wallboard, the outlet of the phase-change energy-storage decorative wallboard and the outlet of the hot water tank 2 The inlets of the hot water tank are respectively communicated through a connecting pipeline 2 The outlet is simultaneously connected with the domestic hot water pipe;
a of PCM energy storage tank 1 Inlet and b 1 Outlet, d 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The inlets are connected through spiral copper tubes; a of the hot water tank 2 Outlet and b 2 Inlet, c 2 Inlet and d 2 The outlets are connected through spiral copper tubes; a of solar air conditioner 3 Inlet and b 3 The outlets are communicated to form a heat medium channel c 3 Outlet and d 3 The inlets are communicated to form a refrigerant channel;
c of PCM energy storage tank 1 Outlet and hot water tank b 2 Connecting pipe between inlets, PCM energy storage tank e 1 Outlet and solar air conditioner a 3 The connecting pipelines between the inlets are respectively connected with the hot water circulating pump, and the inlet pipeline of the solar photovoltaic and photo-thermal integrated assembly is connected with the circulating water pump.
9. The energy storage based near-zero energy consumption building system of claim 8, wherein: d of the PCM energy storage tank 1 Inlet and c 1 Outlet, e 1 Outlet and f 1 The spiral copper tube between the inlets is respectively connected with the first temperature sensor and the second temperature sensor, and the hot water tank is provided with a temperature sensor.
10. The energy storage based near-zero energy consumption building system of claim 8, wherein: and each inlet of the PCM energy storage tank, the hot water tank and the solar air conditioner is connected with a gate valve and a butterfly valve, and a heat insulation layer is arranged outside each connecting pipeline.
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