CN108662700B - Cold and hot adjustable building external sunshade device and cold and hot adjusting method - Google Patents

Cold and hot adjustable building external sunshade device and cold and hot adjusting method Download PDF

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Publication number
CN108662700B
CN108662700B CN201810572232.2A CN201810572232A CN108662700B CN 108662700 B CN108662700 B CN 108662700B CN 201810572232 A CN201810572232 A CN 201810572232A CN 108662700 B CN108662700 B CN 108662700B
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China
Prior art keywords
pipe section
valve
water
cold
input end
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CN108662700A (en
Inventor
吴京锦
张译文
张恺
李鹏程
黄巽
牛晓峰
刘金祥
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Nanjing Tech University
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Nanjing Tech University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/0017Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/0017Air-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
    • F24F2005/0025Air-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 heat exchange fluid storage tanks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0046Air-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
    • F24F2005/0064Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • 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
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

Abstract

The invention discloses a cold and hot adjustable building external sunshade device and a cold and hot adjustment method. The invention integrates the solar heat collection technology, the radiation refrigeration technology and the coiled pipe type heat exchanger into the building outer sunshade structure, can fully utilize the solar radiation heat and the cold energy of outer space, flexibly switch the refrigeration and heating functions according to the requirements of users, not only can prevent the phenomena of overhigh local temperature and glare in the building, but also can further reduce the energy consumption of the building.

Description

Cold and hot adjustable building external sunshade device and cold and hot adjusting method
Technical Field
The invention belongs to the field of building energy conservation, and particularly relates to a cold and hot adjustable building external sunshade device and a cold and hot adjustment method.
Background
The outer sunshade of the building plays an important role in building energy conservation, and can prevent sunlight from directly irradiating the room, and prevent the outer protective structure of the building from being excessively heated by sunlight, thereby preventing local overheating and glare from generating, improving indoor heat comfort condition in summer and reducing energy consumption of the building.
The earth's atmosphere is mainly composed of water vapor, carbon dioxide and ozone, and the radiation of these three gases has a lower absorptivity and emissivity and a higher transmissivity in a certain specific wavelength range. The outer space outside the atmosphere can be regarded as a potential cold source due to the extremely low temperature, and the process of radiation heat exchange between the object on the earth surface and the outer space in the wavelength range is called radiation refrigeration. The radiation refrigerating material has higher emissivity in the wave band and higher reflectivity in the solar radiation wave band, so that the selectivity of gas radiation to wavelength can be utilized to perform radiation heat exchange with the outer space with extremely low temperature, and the cold energy of the outer space can be utilized.
The invention combines a solar heat collecting plate, a radiation refrigeration material and a coiled tube heat exchanger into an external sunshade structure of a building. The solar heat collecting plate can convert solar radiation energy into heat energy for preparing hot water, so as to realize heat storage and air conditioner heating functions; the radiation refrigerating material can use the generated cold energy to prepare cold water, and realize cold accumulation and air conditioner refrigerating functions. The device not only can realize the function of building external sunshade, but also can fully utilize natural cold source and heat source, and enhance the effect of building external sunshade and reducing building energy consumption.
Disclosure of Invention
The embodiment of the invention provides a cold and hot adjustable building external sunshade device and a cold and hot adjusting method, wherein the device integrates a solar heat collecting plate, a radiation refrigerating material and a coil heat exchanger; the solar heat collecting plate absorbs solar radiation, and the generated heat is transferred to the tail end air conditioning equipment or the heat storage water tank through the coil pipe and the circulating water system, so that the air conditioning heat or heat storage function is realized; the radiation refrigeration material uses gas radiation to perform radiation heat exchange on the outer space with extremely low wavelength selectivity and temperature, and the generated cold energy is transferred to the tail end air conditioning equipment or the cold storage water tank through the coil pipe and the circulating water system, so that the air conditioning refrigeration or cold storage function is realized.
In order to solve the technical problems, according to an aspect of the embodiments of the present invention, there is provided an external sunshade device for a cold and hot adjustable building, the device including an external sunshade main body, a coil, an internal metal frame, an external metal frame, a rotating shaft, a first temperature sensor, a second temperature sensor, a third temperature sensor, a fourth temperature sensor, a cold storage water tank, a heat storage water tank, an auxiliary cooling coil, an auxiliary heating coil, a water separator, an end air conditioning device, a water collector and a circulating water pump.
As a preferred example, the input end of the 1 st pipe section is connected with the output end of the coil pipe through the rotating shaft, the output end is connected with the first input end of the 2 nd pipe section, and the first temperature sensor is arranged on the pipe section;
the first output end of the 2 nd pipe section is connected with the input end of the 4 th pipe section, and the second output end is connected with the input end of the 3 rd pipe section;
the output end of the 3 rd pipe section is connected with the first input end of the 10 th pipe section, and the direct supply valve is arranged on the pipe section at a position close to the input end;
the first output end of the 4 th pipe section is connected with the input end of the 5 th pipe section, and the second output end is connected with the input end of the 7 th pipe section;
the output end of the 5 th pipe section is connected with the cold accumulation water tank, and the cold water supply valve is arranged on the pipe section and is close to the input end;
the input end of the 6 th pipe section is connected with the cold accumulation water tank, the output end of the 6 th pipe section is connected with the first input end of the 9 th pipe section, and the cold water return valve is arranged on the pipe section at a position close to the input end;
the output end of the 7 th pipe section is connected with the heat storage water tank, and the hot water supply valve is arranged on the pipe section and is close to the input end;
the input end of the 8 th pipe section is connected with the heat storage water tank, the output end of the 8 th pipe section is connected with the second input end of the 9 th pipe section, and the hot water return valve is arranged on the pipe section at a position close to the input end;
the output end of the 9 th pipe section is connected with the second input end of the 10 th pipe section;
the first output end of the 10 th pipe section is connected with the input end of the 11 th pipe section, and the second output end is connected with the input end of the 12 th pipe section;
the output end of the 11 th pipe section is connected with the first input end of the 16 th pipe section, and the tail end bypass valve is arranged on the pipe section at a position close to the input end;
the output end of the 12 th pipe section is connected with the inlet of the water separator, and the air conditioner water supply main valve is arranged on the pipe section and is close to the input end;
the input end of the 13 th pipe section is connected with the outlet of the water separator, the output end is connected with the input end of terminal air conditioning equipment, and the terminal equipment valve is arranged on the pipe section;
the 14 th pipe section is connected with the output end of the tail end air conditioning equipment, and the output end is connected with the inlet of the water collector;
the input end of the 15 th pipe section is connected with the outlet of the water collector, and the output end is connected with the second input end of the 16 th pipe section;
the output end of the 16 th pipe section is connected with the inlet of the circulating water pump;
the first output end of the 17 th pipe section is connected with the input end of the 18 th pipe section, the second output end is connected with the input end of the 19 th pipe section, and the third temperature sensor is arranged on the pipe section;
the output end of the 18 th pipe section passes through the input end of the rotary shaft receiving coil pipe, and the external sunshade water supply valve is arranged on the pipe section at a position close to the input end;
the output end of the 19 th pipe section is connected with the second input end of the 2 nd pipe section, and the outer sunshade bypass valve is arranged on the pipe section at a position close to the input end;
the input end of the 20 th pipe section is connected with an external water supply network, the first output end is connected with the input end of the 21 st pipe section, and the second output end is connected with the input end of the 22 nd pipe section;
the output end of the 21 st pipe section is connected with a cold accumulation water tank, and a cold water supplementing valve is arranged on the pipe section;
the output end of the 22 nd pipe section is connected with a heat storage water tank, and a hot water supplementing valve is arranged on the pipe section.
As a preferable example, the outer metal frame is fixed on the outer wall of the building, the outer metal frame surrounds the inner metal frame, the outer sunshade main body is embedded into the inner metal frame, and the middle points of the two sides of the inner metal frame and the outer metal frame are provided with rotating shafts; the rotating shaft penetrates through the side edges of the inner metal frame and the outer metal frame, so that the inner metal frame and the outer metal frame are connected into a whole through the rotating shaft.
As a preferable example, the outer sunshade main body comprises an upper layer, a middle layer and a lower layer; the upper layer structure is a radiation refrigeration plate, the upper part of the upper layer structure is covered by radiation refrigeration materials, and the lower part of the upper layer structure is attached to the middle layer structure; the middle layer structure is a coil pipe; the lower layer structure is a solar heat collecting plate and is attached to the middle layer structure.
As a preferred example, the radiation chilling material may be one of a nano-photo-excited selective film, a metamaterial-based spectrally selective film, or a radiation chilling coating;
the emissivity of the radiation refrigeration material is more than 0.9 in the wave band of 8-13 mu m and the reflectivity is more than 0.9 in the wave band of 0.25-3 mu m.
As a preferable example, two ends of the auxiliary cooling coil are connected with auxiliary cold sources, and the coil side extends into the cold accumulation water tank; two ends of the auxiliary heating coil are connected with auxiliary heat sources, and the coil side extends into the heat storage water tank; the second temperature sensor is arranged in the cold accumulation water tank; the fourth temperature sensor is arranged in the heat storage water tank.
In one aspect of the embodiments of the present invention, a cold-hot adjusting method is provided, including a cold storage mode, an external sunshade direct cooling mode, a water tank cooling mode, an external sunshade+water tank cooling mode, a water tank+auxiliary cooling mode, an external sunshade+water tank+auxiliary cooling mode under a cooling condition, and a heat storage mode, an external sunshade direct heating mode, a water tank heating mode, an external sunshade+water tank heating mode, a water tank+auxiliary heating mode, an external sunshade+water tank+auxiliary heating mode under a heating condition;
using T set Indicating rated water temperature, T, of terminal air conditioning equipment 1 Representing the water temperature, T, measured by a first temperature sensor 2 Representing the water temperature, T, measured by the second temperature sensor 3 Represents the water temperature, T, measured by a third temperature sensor 4 The water temperature measured by the fourth temperature sensor is shown, and the operation conditions and the opening modes of each mode are as follows:
under the refrigeration working condition:
the upper structure of the outer sunshade main body is rotated by a rotating shaft to face the sky;
if the user side air temperature is not higher than the required temperature, a cold accumulation mode is started, so that the cold water supply valve, the cold water return valve, the tail end bypass valve and the external sunshade water supply valve are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 1 ≤T set The external sunshade direct cooling mode is started, so that the direct supply valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 3 <T 1 The water tank cold supply mode is started, so that the cold water supply valve, the cold water return valve, the air conditioner water supply main valve, the tail end equipment valve and the outer sunshade bypass valve are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 1 <T 3 The external sunshade and water tank cold supply mode is started, so that the cold water supply valve, the cold water return valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T set <T 3 <T 1 And T is set <T 2 The water tank and auxiliary cooling and cooling mode is started, so that a cold water supply valve, a cold water return valve, an air conditioner water supply main valve, a tail end equipment valve and an outer sunshade bypass valve are in an open state, other valves are closed, and an auxiliary cooling coil is in a working state;
if the temperature of the user side is higher than the required temperature, and T set <T 1 <T 3 And T is set <T 2 The external sunshade water supply valve, the water tank and the auxiliary cooling and cooling mode are started, so that the cold water supply valve, the cold water return valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve are in an open state, the rest valves are closed, and the auxiliary cooling coil is in a working state;
under each mode of refrigeration working conditions, if the water quantity of the system is insufficient, a cold water supplementing valve is opened to supplement water for the cold storage water tank;
under the heating working condition:
the lower layer structure of the outer sunshade main body is rotated by a rotating shaft to face the sun;
if the user side air temperature is not lower than the required temperature, a heat storage mode is started, so that the hot water supply valve, the hot water return valve, the tail end bypass valve and the external sunshade water supply valve are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 1 ≥T set Opening the external sunshade direct heating mode to enable the direct supply valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve to be in an opening state, and closing the other valves;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 3 >T 1 Then turn onA water tank heating mode, in which the hot water supply valve, the hot water return valve, the air conditioner water supply main valve, the tail end equipment valve and the outer sunshade bypass valve are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 1 >T 3 The external sunshade and water tank heat supply mode is started, so that the hot water supply valve, the hot water return valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T set >T 3 >T 1 And T is set >T 4 The water tank and the auxiliary heating mode are started, so that the hot water supply valve, the hot water return valve, the air conditioner water supply main valve, the tail end equipment valve and the outer sunshade bypass valve are in an open state, the other valves are closed, and the auxiliary heating coil is in a working state;
if the temperature at the user side is lower than the required temperature, and T set >T 1 >T 3 And T is set >T 4 The external sunshade + water tank + auxiliary heating mode is started to enable the hot water supply valve, the hot water return valve, the air conditioner water supply main valve, the tail end equipment valve and the external sunshade water supply valve to be in an open state, the other valves are closed, and the auxiliary heating coil is in a working state;
and under each mode of heating working conditions, if the water quantity of the system is insufficient, a hot water supplementing valve is started to supplement water to the heat storage water tank.
Compared with the prior art, the embodiment of the invention can fully utilize solar radiation heat and cold energy of outer space, flexibly switch the refrigerating and heating functions according to the requirements of users, prevent the phenomena of overhigh local temperature and glare in a building and further reduce the energy consumption of the building.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
fig. 2 is an exploded view of the outer sunshade body structure in an embodiment of the invention.
The drawings are as follows: an outer sunshade main body 1, a radiation cooling plate 101, a radiation cooling material 102, a solar heat collecting plate 103, a coil pipe 2, an inner metal frame 3, an outer metal frame 4, a rotation shaft 5, a first temperature sensor 6, a direct supply valve 7, a cold water supply valve 8, a cold water return valve 9, a second temperature sensor 10, a hot water supply valve 11, a hot water return valve 12, a fourth temperature sensor 13, an end bypass valve 14, an air conditioner water supply main valve 15, a water separator 16, an end equipment valve 17, an end air conditioner 18, a water collector 19, a circulating water pump 20, a third temperature sensor 21, an outer sunshade bypass valve 22, an external sunshade water supply valve 23, a cold storage water tank 24, an auxiliary cooling coil 25, a heat storage water tank 26, an auxiliary heating coil 27, a cold water supplementing valve 28, a hot water supplementing valve 29, a 1 st pipe section 30, a 2 nd pipe section 31, a 3 rd pipe section 32, a 4 th pipe section 33, a 5 th pipe section 34, a 6 th pipe section 35, a 7 th pipe section 36, an 8 th pipe section 37, a 9 th pipe section 38, a 10 th pipe section 39, an 11 th pipe section 40, a 12 th pipe section 41, a 13 th pipe section 42, a 14 th pipe section 43, a 15 th pipe section 44, a 16 th pipe section 45, a 17 th pipe section 46, a 18 th pipe section 47, a 19 th pipe section 48, a 20 th pipe section 49, a 21 st pipe section 50, and a 22 nd pipe section 51.
Detailed Description
The technical scheme of the embodiment of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the outdoor sunshade device for a cold and hot adjustable building and the cold and hot adjusting method according to the embodiments of the present invention include an outdoor sunshade main body 1, a coil pipe 2, an indoor metal frame 3, an outdoor metal frame 4, a rotating shaft 5, a first temperature sensor 6, a second temperature sensor 10, a third temperature sensor 21, a fourth temperature sensor 13, a cold storage water tank 24, a hot storage water tank 26, an auxiliary cooling coil pipe 25, an auxiliary heating coil pipe 27, a water separator 16, an end air conditioner 18, a water collector 19, and a circulating water pump 20.
The outer metal frame 4 of the above embodiment is fixed at a certain angle to a specific position of the building outer wall, so that the outer sunshade body 1 can shield sunlight under different angles by the rotation of the inner metal frame 3.
The outer sunshade body 1 of the above embodiment comprises three structures of an upper layer, a middle layer and a lower layer; the upper layer structure is a radiation refrigeration plate 101, the upper part of the upper layer structure is covered by a radiation refrigeration material 102, and the lower part of the upper layer structure is attached to the middle layer structure; the middle layer structure is a coil pipe 2; the lower layer structure is a solar heat collecting plate 103, and is attached to the middle layer structure.
The first temperature sensor 6, the second temperature sensor 10, the third temperature sensor 21 and the fourth temperature sensor 13 of the above embodiment can collect the temperature values of the water in the 1 st pipe section 30, the cold storage water tank 24, the 17 th pipe section 46 and the hot storage water tank 26, respectively, transmit the temperature data to the electronic equipment terminal in a wireless or wired manner, analyze the temperature data through a specific program or algorithm, and control the working states of the auxiliary heating coil 27 and the auxiliary cooling coil 25 and the opening and closing states of all valves in a wireless or wired manner.
The building external sunshade device of the embodiment can realize a refrigeration function through the radiation refrigeration plate 101, and comprises a cold storage mode, an external sunshade direct cooling mode, a water tank cooling mode, an external sunshade + water tank cooling mode, a water tank + auxiliary cooling mode, and an external sunshade + water tank + auxiliary cooling mode; using T set Indicating the rated water temperature, T, of the end air conditioner 18 1 Represents the water temperature, T, measured by the first temperature sensor 6 2 Represents the water temperature, T, measured by the second temperature sensor 10 3 The water temperature measured by the third temperature sensor 21 is shown, and the operation conditions and the opening modes of each mode are as follows:
if the user side air temperature is not higher than the required temperature, the cold accumulation mode is started, so that the cold water supply valve 8, the cold water return valve 9, the tail end bypass valve 14 and the outer sunshade water supply valve 23 are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 1 ≤T set The external sunshade direct cooling mode is started, so that the direct supply valve 7, the air conditioner water supply main valve 15, the tail end equipment valve 17 and the external sunshade water supply valve 23 are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 3 <T 1 The water tank cold supply mode is started, so that the cold water supply valve 8, the cold water return valve 9, the air conditioner water supply main valve 15, the tail end equipment valve 17 and the outer sunshade bypass valve 22 are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 1 <T 3 The external sunshade + water tank cold supply mode is started to enable the cold water supply valve 8, the cold water return valve 9, the air conditioner water supply main valve 15, the tail end equipment valve 17 and the external sunshade water supply valve 23 to be in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T set <T 3 <T 1 And T is set <T 2 The water tank and auxiliary cooling and cooling mode is started, so that the cold water supply valve 8, the cold water return valve 9, the air conditioner water supply main valve 15, the tail end equipment valve 17 and the outer sunshade bypass valve 22 are in an open state, the rest valves are closed, and the auxiliary cooling coil 25 is in a working state;
if the temperature of the user side is higher than the required temperature, and T set <T 1 <T 3 And T is set <T 2 The external sunshade + water tank + auxiliary cooling mode is opened to make the cold water supply valve 8, cold water return valve 9, air conditioner water supply main valve 15, end equipment valve 17 and external sunshade water supply valve 23 be in an open state, the rest valves are closed, and the auxiliary cooling coil 25 is in a working state;
in each mode of the refrigeration condition, if the system water quantity is insufficient, the cold water supplementing valve 28 is opened to supplement water to the cold storage water tank 24.
The building external sunshade device of the above embodiment takes an external sunshade, a water tank and an auxiliary cooling and cooling mode as an example, and the refrigeration principle of the device is as follows:
the upper structure of the outer sunshade main body 1 faces the sky by rotating the inner metal frame 3 through the rotating shaft 5, so that the radiation refrigerating material 102 covered on the radiation refrigerating plate 101 can exchange radiation heat with the outer space to absorb cold;
the circulating water pump 20 is kept in an operation state, under the action of the water pump, water in a water pipe system passes through the outer sunshade water supply valve 23 and the rotating shaft 5 and sequentially passes through the outer metal frame 4 and the inner metal frame 3 to enter the coil pipe 2 of the middle layer structure of the outer sunshade main body 1, the coil pipe 2 exchanges heat with the radiation refrigeration material 102, cold energy is transferred to the water, the water flows out of the coil pipe 2 and leaves the outer sunshade main body 1, and the cooling process of the water is completed;
the cooled water enters the cold storage water tank 24 through the first temperature sensor 6 and the cold water supply valve 8, an auxiliary cold source is started, and the water in the cold storage water tank 24 is cooled through the auxiliary cooling coil 25 until the required water temperature is reached;
the water with the temperature adjusted leaves the cold storage water tank 24, flows through the cold water return valve 9 and the air conditioner water supply main valve 15 to enter the inlet of the water separator 16, flows into a plurality of branches led out by the water separator 16, namely a 13 th pipe section 42, provides cold energy for the tail end air conditioning equipment 18 on each branch, then flows into the inlet of the water collector 19 through a plurality of branches, namely a 14 th pipe section 43, flows out of the outlet of the water collector 19 after being collected, reaches the circulating water pump 20, and completes the circulation of the water;
at this point the water in the circulation pipe 5 has lost a certain amount of kinetic energy and cold, and a new circulation process and cooling process needs to be started by the circulation water pump 20 and the radiation refrigerating material 102.
The building external sunshade device of the embodiment can realize a heating function through the solar heat collecting plate 103, and comprises a heat storage mode, an external sunshade direct heat supply mode, a water tank heat supply mode, an external sunshade + water tank heat supply mode, a water tank + auxiliary cooling heat supply mode and an external sunshade + water tank + auxiliary cooling heat supply mode; using T set Indicating the rated water temperature, T, of the end air conditioner 18 1 Represents the water temperature, T, measured by the first temperature sensor 6 3 Represents the water temperature, T, measured by the third temperature sensor 21 4 The water temperature measured by the fourth temperature sensor 13 is shown, and the operation conditions and the opening modes of each mode are as follows:
if the user side air temperature is not lower than the required temperature, a heat storage mode is started, so that the hot water supply valve 11, the hot water return valve 12, the tail end bypass valve 14 and the outer sunshade water supply valve 23 are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 1 ≥T set The external sunshade direct heating mode is started, so that the direct supply valve 7, the air conditioner water supply main valve 15, the tail end equipment valve 17 and the external sunshade water supply valve 23 are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 3 >T 1 The water tank heating mode is started, so that the hot water supply valve 11, the hot water return valve 12, the air conditioner water supply main valve 15, the end equipment valve 17 and the outer sunshade bypass valve 22 are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 1 >T 3 The external sunshade + water tank heating mode is opened to make the hot water supply valve 11, the hot water return valve 12, the air conditioner water supply main valve 15, the end equipment valve 17 and the external sunshade water supply valve 23 in an opened state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T set >T 3 >T 1 And T is set >T 4 The water tank + auxiliary heating mode is opened to make the hot water supply valve 11, the hot water return valve 12, the air conditioner water supply main valve 15, the end equipment valve 17 and the outer sunshade bypass valve 22 in an opened state, the rest of the valves are closed, and the auxiliary heating coil 27 is in a working state;
if the temperature at the user side is lower than the required temperature, and T set >T 1 >T 3 And T is set >T 4 The external sunshade + water tank + auxiliary heating mode is opened to make the hot water supply valve 11, the hot water return valve 12, the air conditioner water supply main valve 15, the end equipment valve 17 and the external sunshade water supply valve 23 in an open state, the rest valves are closed, and the auxiliary heating coil 27 is in a working state;
in each mode of heating operation, if the system water quantity is insufficient, the hot water replenishing valve 29 is opened to replenish water to the heat storage water tank 26.
The building external sunshade device of the above embodiment takes an external sunshade + water tank + auxiliary heating heat supply mode as an example, and the heating principle of the device is as follows:
the inner metal frame 3 is rotated through the rotating shaft 5, so that the lower layer structure of the outer sunshade main body 1 faces the sun, the solar heat collecting plate 103 can exchange heat with the sun in a radiation way, and heat is absorbed;
the circulating water pump 20 is kept in an operation state, under the action of the water pump, water in a water pipe system passes through the outer sunshade water supply valve 23 and the rotating shaft 5 and sequentially passes through the outer metal frame 4 and the inner metal frame 3 to enter the coil pipe 2 of the middle layer structure of the outer sunshade main body 1, the coil pipe 2 exchanges heat with the solar heat collecting plate 103, heat is transferred to the water, the water flows out of the coil pipe 2 and leaves the outer sunshade main body 1, and the heating process of the water is completed;
the heated water enters the heat storage water tank 26 through the first temperature sensor 6 and the hot water supply valve 11, an auxiliary heat source is started, and the water in the heat storage water tank 26 is heated through the auxiliary heating coil 27 until the required water temperature is reached;
the water with the temperature adjusted leaves the heat storage water tank 26, flows through the hot water return valve 12 and the air-conditioning water supply main valve 15 to enter the inlet of the water separator 16, flows into a plurality of branches led out by the water separator 16, namely a 13 th pipe section 42, provides heat for the tail end air-conditioning equipment 18 on each branch, then flows into the inlet of the water collector 19 through a plurality of branches, namely a 14 th pipe section 43, flows out of the outlet of the water collector 19 after being integrated, reaches the circulating water pump 20, and completes the water circulation;
at this time, the water in the circulation water pipe 5 has lost a certain amount of kinetic energy and heat, and a new circulation process and heating process needs to be started through the circulation water pump 20 and the solar heat collecting plate 103.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.

Claims (1)

1. The cold and hot adjusting method of the cold and hot adjustable building external sunshade device is characterized in that the cold and hot adjustable building external sunshade device comprises an external sunshade main body (1), a coil pipe (2), an inner metal frame (3), an outer metal frame (4), a rotating shaft (5), a first temperature sensor (6), a second temperature sensor (10), a third temperature sensor (21), a fourth temperature sensor (13), a cold storage water tank (24), a heat storage water tank (26), an auxiliary cooling coil pipe (25), an auxiliary heating coil pipe (27), a water separator (16), tail end air conditioning equipment (18), a water collector (19) and a circulating water pump (20);
the outer metal frame (4) is fixed on the building outer wall, the outer metal frame (4) surrounds the inner metal frame (3), the outer sunshade main body (1) is embedded into the inner metal frame (3), and a rotating shaft (5) is arranged at the middle points of the two side edges of the inner metal frame (3) and the outer metal frame (4); the rotating shaft (5) penetrates through the side edges of the inner metal frame (3) and the outer metal frame (4), so that the inner metal frame (3) and the outer metal frame (4) are connected into a whole through the rotating shaft (5);
the outer sunshade main body (1) comprises an upper layer structure, a middle layer structure and a lower layer structure; the upper layer structure is a radiation refrigeration plate (101), the upper part of the upper layer structure is covered by a radiation refrigeration material (102), and the lower part of the upper layer structure is attached to the middle layer structure; the middle layer structure is a coil pipe (2); the lower layer structure is a solar heat collecting plate (103) and is attached to the middle layer structure;
the radiation refrigeration material (102) can be one of a nanometer light excitation selective film, a spectrum selective film based on a metamaterial, or a radiation refrigeration coating;
the emissivity of the radiation refrigeration material is more than 0.9 in the wave band of 8-13 mu m and the reflectivity is more than 0.9 in the wave band of 0.26-3 mu m;
two ends of the auxiliary cooling coil pipe (25) are connected with auxiliary cold sources, and the coil pipe side extends into the cold accumulation water tank (24); two ends of the auxiliary heating coil pipe (27) are connected with auxiliary heat sources, and the coil pipe side extends into the heat storage water tank (26); the second temperature sensor (10) is arranged in the cold accumulation water tank (24); the fourth temperature sensor (13) is arranged in the heat storage water tank (26);
the connection mode of the device is as follows:
the input end of the 1 st pipe section (30) passes through the rotating shaft (5) and is connected with the output end of the coil pipe (2), the output end is connected with the first input end of the 2 nd pipe section (31), and the first temperature sensor (6) is arranged on the 1 st pipe section (30);
the first output end of the 2 nd pipe section (31) is connected with the input end of the 4 th pipe section (33), and the second output end is connected with the input end of the 3 rd pipe section (32);
the output end of the 3 rd pipe section (32) is connected with the first input end of the 10 th pipe section (39), and the direct supply valve (7) is arranged at a position, close to the input end, on the 3 rd pipe section (32);
the first output end of the 4 th pipe section (33) is connected with the input end of the 5 th pipe section (34), and the second output end is connected with the input end of the 7 th pipe section (36);
the output end of the 5 th pipe section (34) is connected with the cold accumulation water tank (24), and the cold water supply valve (8) is arranged at the position, close to the input end, of the 5 th pipe section (34);
the input end of the 6 th pipe section (35) is connected with the cold accumulation water tank (24), the output end of the 6 th pipe section (35) is connected with the first input end of the 9 th pipe section (38), and the cold water return valve (9) is arranged at the position, close to the input end, on the 6 th pipe section (35);
the output end of the 7 th pipe section (36) is connected with the heat storage water tank (26), and the hot water supply valve (11) is arranged at the position, close to the input end, of the 7 th pipe section (36);
the input end of the 8 th pipe section (37) is connected with the heat storage water tank (26), the output end of the 8 th pipe section (37) is connected with the second input end of the 9 th pipe section (38), and the hot water return valve (12) is arranged at the position, close to the input end, on the 8 th pipe section (37);
the output end of the 9 th pipe section (38) is connected with the second input end of the 10 th pipe section (39);
the first output end of the 10 th pipe section (39) is connected with the input end of the 11 th pipe section (40), and the second output end is connected with the input end of the 12 th pipe section (41);
the output end of the 11 th pipe section (40) is connected with the first input end of the 16 th pipe section (45), and the tail end bypass valve (14) is arranged on the 11 th pipe section (40) at a position close to the input end;
the output end of the 12 th pipe section (41) is connected with the inlet of the water separator (16), and the air-conditioning water supply main valve (15) is arranged on the 12 th pipe section (41) at a position close to the input end;
the input end of the 13 th pipe section (42) is connected with the outlet of the water separator (16), the output end is connected with the input end of the terminal air conditioning equipment (18), and the terminal equipment valve (17) is arranged on the 13 th pipe section (42);
the input end of the 14 th pipe section (43) is connected with the output end of the tail end air conditioning equipment (18), and the output end is connected with the inlet of the water collector (19);
the input end of the 15 th pipe section (44) is connected with the outlet of the water collector (19), and the output end is connected with the second input end of the 16 th pipe section (45);
the output end of the 16 th pipe section (45) is connected with the inlet of the circulating water pump (20);
the first output end of the 17 th pipe section (46) is connected with the input end of the 18 th pipe section (47), the second output end is connected with the input end of the 19 th pipe section (48), and the third temperature sensor (21) is arranged on the 17 th pipe section (46);
the output end of the 18 th pipe section (47) passes through the rotating shaft (5) to be connected with the input end of the coil pipe (2), and the outer sunshade water supply valve (23) is arranged on the 18 th pipe section (47) at a position close to the input end;
the output end of the 19 th pipe section (48) is connected with the second input end of the 2 nd pipe section (31), and the outer sunshade bypass valve (22) is arranged on the 19 th pipe section (48) at a position close to the input end;
the input end of the 20 th pipe section (49) is connected with an external water supply network, the first output end is connected with the input end of the 21 st pipe section (50), and the second output end is connected with the input end of the 22 nd pipe section (51);
the output end of the 21 st pipe section (50) is connected with a cold accumulation water tank (24), and a cold water supplementing valve (28) is arranged on the 21 st pipe section (50);
the output end of the 22 nd pipe section (51) is connected with the heat storage water tank (26), and the hot water supplementing valve (29) is arranged on the 22 nd pipe section (51);
the cold and hot adjusting method of the cold and hot adjustable building external sunshade device comprises a cold accumulation mode, an external sunshade direct cooling mode, a water tank cooling mode, an external sunshade + water tank cooling mode, a water tank + auxiliary cooling mode, an external sunshade + water tank + auxiliary cooling mode under a refrigerating working condition, and a heat accumulation mode, an external sunshade direct heating mode, a water tank heating mode, an external sunshade + water tank heating mode, a water tank + auxiliary heating mode, an external sunshade + water tank + auxiliary heating mode under a heating working condition;
using T set Indicating rated water temperature, T, of the terminal air conditioning unit (18) 1 Represents the water temperature, T, measured by a first temperature sensor (6) 2 Represents the water temperature, T, measured by a second temperature sensor (10) 3 Represents the water temperature, T, measured by a third temperature sensor (21) 4 The water temperature measured by the fourth temperature sensor (13) is shown, and the operation conditions and the opening modes of each mode are as follows:
under the refrigeration working condition:
the upper structure of the outer sunshade main body (1) is rotated by a rotating shaft (5) to face the sky;
if the air temperature at the side of the user is not higher than the required temperature, a cold accumulation mode is started, so that a cold water supply valve (8), a cold water return valve (9), a tail end bypass valve (14) and an outer sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 1 ≤T set The external sunshade direct cooling mode is started, so that the direct supply valve (7), the air-conditioner water supply main valve (15), the tail end equipment valve (17) and the external sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 3 <T 1 The water tank cold supply mode is started, so that a cold water supply valve (8), a cold water return valve (9), an air conditioner water supply main valve (15), a tail end equipment valve (17) and an outer sunshade bypass valve (22) are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T 2 ≤T set <T 1 <T 3 The external sunshade and water tank cold supply mode is started, so that a cold water supply valve (8), a cold water return valve (9), an air conditioner water supply main valve (15), a tail end equipment valve (17) and the external sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature of the user side is higher than the required temperature, and T set <T 3 <T 1 And T is set <T 2 The water tank and auxiliary cooling and cooling mode is started, so that a cold water supply valve (8), a cold water return valve (9), an air conditioner water supply main valve (15), a tail end equipment valve (17) and an outer sunshade bypass valve (22) are in an open state, the rest valves are closed, and an auxiliary cooling coil pipe (25) is in a working state;
if the temperature of the user side is higher than the required temperature, and T set <T 1 <T 3 And T is set <T 2 The external sunshade + water tank + auxiliary cooling mode is started to enable the cold water supply valve (8), the cold water return valve (9), the air conditioner water supply main valve (15), the tail end equipment valve (17) and the external sunshade water supply valve (23) to be in an open state, the other valves are closed, and the auxiliary cooling coil pipe (25) is in a working state;
under each mode of refrigeration working conditions, if the water quantity of the system is insufficient, a cold water supplementing valve (28) is opened to supplement water for the cold storage water tank (24);
under the heating working condition:
the lower structure of the outer sunshade main body (1) is rotated by a rotating shaft (5) to face the sun;
if the air temperature at the side of the user is not lower than the required temperature, a heat storage mode is started, so that the hot water supply valve (11), the hot water return valve (12), the tail end bypass valve (14) and the outer sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 1 ≥T set The external sunshade direct heating mode is started, so that the direct supply valve (7), the air-conditioner water supply main valve (15), the tail end equipment valve (17) and the external sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 3 >T 1 The water tank heating mode is started, so that a hot water supply valve (11), a hot water return valve (12), an air conditioner water supply main valve (15), a tail end equipment valve (17) and an outer sunshade bypass valve (22) are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T 4 ≥T set >T 1 >T 3 The external sunshade and water tank heat supply mode is started, so that the hot water supply valve (11), the hot water return valve (12), the air conditioner water supply main valve (15), the tail end equipment valve (17) and the external sunshade water supply valve (23) are in an open state, and the rest valves are closed;
if the temperature at the user side is lower than the required temperature, and T set >T 3 >T 1 And T is set >T 4 The water tank and auxiliary heating mode is started, so that a hot water supply valve (11), a hot water return valve (12), an air conditioner water supply main valve (15), a tail end equipment valve (17) and an outer sunshade bypass valve (22) are in an open state, the rest valves are closed, and an auxiliary heating coil (27) is in a working state;
if the temperature at the user side is lower than the required temperature, and T set >T 1 >T 3 And T is set >T 4 The external sunshade + water tank + auxiliary heating mode is started to enable the hot water supply valve (11), the hot water return valve (12), the air conditioner water supply main valve (15), the tail end equipment valve (17) and the external sunshade water supply valve (23) to be in an open state, and the other valves are closed to enable the auxiliary heating coil pipe to be in an auxiliary heating mode(27) Is in a working state;
under each mode of heating working conditions, if the water quantity of the system is insufficient, a hot water supplementing valve (29) is opened to supplement water for the heat storage water tank (26).
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CN110057004B (en) * 2019-05-13 2024-04-16 南京工业大学 Novel air conditioning system and complete device
CN110103670B (en) * 2019-06-03 2023-04-25 南京工业大学 Novel automobile air conditioning system
CN114322132A (en) * 2021-12-08 2022-04-12 电子科技大学长三角研究院(湖州) Intelligent heating and heat dissipation integrated device

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