CN117870203A - Application method of zero-energy-consumption temporary facility light storage straight-flexible system in construction site - Google Patents
Application method of zero-energy-consumption temporary facility light storage straight-flexible system in construction site Download PDFInfo
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Abstract
The invention discloses a method for using a zero-energy-consumption temporary facility light storage direct-flexible system in a construction site. The invention realizes the functions of photovoltaic power generation, heat collection and refrigeration, and realizes the functions of electricity storage, heat storage and cold storage. Through the automatic sun tracking regulation device of the photovoltaic system and the sun tracking regulation method of the solar photovoltaic panel, the system can realize horizontal rotation and angle regulation control of the photovoltaic panel through the control of the rotary track, the rotary driving motor system and the telescopic rod, track the movement of the sun and furthest improve the energy capturing efficiency of the photovoltaic panel.
Description
Technical Field
The invention belongs to the technical field of temporary facilities in construction sites, and particularly relates to a use method of a light storage direct-flexible system of a temporary facility with zero energy consumption in a construction site.
Background
Worldwide energy consumption and carbon emission continue to increase, and renewable energy development continues to increase, but fossil energy in energy structures is still dominant, and fossil energy consumption in China exceeds 80%. The building is an important field of energy consumption and carbon emission, and the carbon emission duty ratio of the whole society in the urban and rural construction field are further improved under the conditions of urban and rural rapid propulsion and industrial structure depth adjustment. The method has the advantages that the important strategic decisions of carbon peak and carbon neutralization are established in China, meanwhile, the action scheme of the carbon peak is formulated, the green low-carbon transformation of urban and rural construction is clearly promoted, and the green low-carbon construction is implemented. In low-energy-consumption buildings, the energy consumption in the building construction production stage can account for 40% -60% of the energy consumption of the whole life cycle of the building. Temporary house facilities are adopted in the working area and the living area of the construction site, the quantity of the temporary house facilities is wide, the similarity of the temporary house facilities in different projects is strong, and the method has the characteristics of high modularization degree, convenience in construction, short construction period and the like. However, most temporary house facilities are light structures, and the outstanding problems of insufficient heat preservation and insulation performance of the enclosure structure, poor comfort level of office residence use, high operation energy consumption and the like exist. Therefore, the invention provides the light storage direct-flexible system of the temporary facility with zero energy consumption on the construction site, which can be widely suitable for the use characteristics of the construction site, effectively improves the comfort performance of office residence use, provides comprehensive energy sources of electricity, heat and cold for the temporary house facilities in a combined way, improves the comprehensive utilization rate of renewable energy sources, obviously reduces the use energy consumption of the temporary facility, and has practical significance and good application prospect.
Therefore, how to provide a method for using the zero-energy temporary facility light storage direct-flexible system of a construction site, which can solve the outstanding problems of insufficient heat preservation and heat insulation performance, poor comfort level in office residence use, high operation energy consumption and the like of the prior temporary house facility enclosure structure of the construction site, is a technical problem which needs to be solved in the building construction industry.
Disclosure of Invention
The invention aims to provide a method for using a zero-energy-consumption temporary facility light storage direct-flexible system in a construction site, which solves the problems of insufficient heat preservation and insulation performance, poor comfort level in office residence use, high operation energy consumption and the like of the prior temporary house facility enclosure structure in the construction site.
In order to solve the technical problems, the invention provides the following technical scheme:
the application method of the construction site zero-energy consumption temporary facility light storage direct-softening system comprises a solar power generation heat collection refrigeration unit device, an air source heat pump unit, a temporary house phase change heat storage and cold accumulation enclosure structure, a heat preservation heat storage water tank, a heat preservation cold storage water tank, a fan coil air conditioner tail end and an electric valve, wherein the solar power generation heat collection refrigeration unit device comprises a photovoltaic module plate, a micro heat pipe array heat transfer flat plate, a heat exchange header and an encapsulation phase change material layer, the micro heat pipe array heat transfer flat plate is laid on the lower surface of the photovoltaic module plate through a first heat conduction silica gel layer, one end of the micro heat pipe array heat transfer flat plate horizontally extends to the inside of the heat exchange header, a plurality of first fins are arranged in the heat exchange header, the plurality of first fins are vertically sleeved on the outer side of the micro heat pipe array heat transfer flat plate at equal intervals, the top of the encapsulation phase change material layer is connected with the surface of the micro heat pipe array heat transfer flat plate, which is far away from the photovoltaic module plate, and the encapsulation phase change material layer is provided with a plurality of second heat conduction silica gel layers at equal intervals, and the top of the second fins are vertically connected with the phase change material layer at equal intervals; the solar power generation heat collection refrigeration unit device, the air source heat pump unit, the temporary house phase-change heat storage and cold accumulation building envelope, the heat preservation heat storage water tank, the heat preservation cold storage water tank and the tail end of the fan coil air conditioner are connected through pipelines, electric valves for system function switching are arranged in the pipelines, and the corresponding electric valves are controlled, so that the solar power generation heat collection refrigeration unit device can supply water to the temporary house phase-change heat storage and cold accumulation building envelope, the heat preservation heat storage water tank and the heat preservation cold storage water tank respectively, the air source heat pump unit can supply water to the heat preservation heat storage water tank and the tail end of the fan coil air conditioner respectively, and the heat preservation heat storage water tank and the heat preservation cold storage water tank can supply water to the tail end of the fan coil air conditioner respectively.
Preferably, in the method for using the construction site zero-energy-consumption temporary facility light storage direct-flexible system, the solar power generation, heat collection and refrigeration unit device is arranged on a solar tracking automatic regulation device of a photovoltaic system, and the solar tracking automatic regulation device of the photovoltaic system comprises: the solar power generation heat collection refrigeration unit device is arranged on the second support plate, a photovoltaic module plate in the solar power generation heat collection refrigeration unit device is parallel to the second support plate, and the angle between the second support plate and a horizontal plane can be adjusted through the photovoltaic plate angle regulation and control assembly; the photovoltaic board angle regulation and control subassembly includes installation base, hydro-cylinder sleeve, telescopic link, lower part terminal, spherical hinge connecting piece and upper portion terminal, the installation base is fixed to be set up in first backup pad, and hydro-cylinder base sets up on the installation base, and a cylinder sleeve sets up on the hydro-cylinder base, and the lower extreme of telescopic link sets up in hydro-cylinder sleeve, and lower part terminal is connected to the upper end of telescopic link, is provided with spherical hinge connecting piece in the middle of lower part terminal and the upper portion terminal, and upper portion terminal is fixed to be set up on the lower surface of second backup pad, and the telescopic link can carry out telescopic movement relative to respective hydro-cylinder sleeve, can drive corresponding upper portion terminal and reciprocate through the telescopic movement of each telescopic link, thereby adjusts the angle of second backup pad and horizontal plane.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, the photovoltaic bracket turntable system comprises a supporting base, a rotary rail, a connecting bracket, a motor base, a rotary driving motor system, a motor rotary table, a flange plate and rotary rollers; the support base sets up in the top of interim facility, gyration track and linking bridge are fixed respectively to be set up on the support base, the linking bridge is located gyration track's central point puts, and motor base sets up in linking bridge's top, and gyration driving motor system sets up on motor base, the motor revolving platform set up in on the driving motor system, ring flange fixed connection in on the motor revolving platform, first backup pad set up in the top of ring flange, gyration gyro wheel pass through the connecting rod with the lower part fixed connection of first backup pad, works as the driving motor system drives when the motor revolving platform rotates, gyration gyro wheel can the gyration track removes.
Preferably, in the method for using the construction site zero-energy-consumption temporary facility light storage direct-flexible system, the solar tracking automatic regulation device of the photovoltaic system is regulated by the following steps:
S1, a second supporting plate is a rectangular plate, an included angle between the second supporting plate and the north direction is theta, and clockwise rotation is positive; four angles below of the second supporting plate are respectively supported by the photovoltaic plate angle regulating and controlling components, the telescopic rod of each photovoltaic plate angle regulating and controlling component can freely stretch out and draw back, and the stretching lengths of the telescopic rods corresponding to the four angles are respectively、/>、/>、/>The maximum extension length is +.>When->When each telescopic rod stretches independently, the photovoltaic panel can generate an inclination angle;
s2, defining a reference lengthThe length that the four telescopic rods should reach when the sun is right above, at this time, the second support plate points vertically to the sun, i.e. the sun is vertically incident on the photovoltaic module plate parallel to the second support plate;
s3, establishing the solar altitude angle of the region by the longitude and latitude of the regionAnd azimuth->And the current date->Time->Is a function of>、/>Wherein the solar altitude is->Means the included angle between the connection line of the sun and the observation point and the horizontal plane of the observation point, < ->The range of the value is 0 to 90 DEG, azimuth angle +.>Means the angle between the connection line of the sun and the observation point and the projection on the ground and the eastern direction, and ++ >The value range of (2) is 0-180 degrees;
s4, respectively calculating the current time by the following simplified formulas、/>、/>、/>Is a value of (1):
；
；
；
；
s5, according to the change of the current date d and the time t, 4 expansion and contraction are carried outRod driving system for dynamically adjusting the length of each telescopic rod to achieve，/>，/>，/>And the corresponding value drives the photovoltaic panel to generate a corresponding inclination angle, and the sun always vertically enters the photovoltaic module panel parallel to the second supporting plate.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at a construction site, the solar power generation, heat collection and refrigeration unit device comprises a top photovoltaic unit, the top photovoltaic unit is arranged on the second supporting plate, and the top photovoltaic unit is parallel to the second supporting plate.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at a construction site, the solar power generation heat collection refrigeration unit device further comprises a forward extending photovoltaic unit and a reverse extending photovoltaic unit, the forward extending photovoltaic unit and the reverse extending photovoltaic unit are respectively installed on the second supporting plate through a pair of sliding modules, the forward extending photovoltaic unit and the reverse extending photovoltaic unit are respectively parallel to the second supporting plate, the sliding modules for installing the forward extending photovoltaic unit are fixedly arranged on the lower surface of the second supporting plate, the sliding modules for installing the reverse extending photovoltaic unit are fixedly arranged on the upper surface of the second supporting plate, the sliding modules comprise driving motors, guide rails and sliding blocks, the driving motors can drive the sliding blocks to move along the guide rails, and the sliding blocks are fixedly connected with the forward extending photovoltaic unit or the reverse extending photovoltaic unit through corresponding installing brackets.
Preferably, in the use method of the temporary facility light storage and direct softening system with zero energy consumption at the construction site, a plurality of circulating water pumps are arranged in the pipeline, each circulating water pump comprises a first circulating water pump, a second circulating water pump and a third circulating water pump, the water outlets of the solar power generation heat collection refrigerating unit devices are respectively connected with the water inlet of the second circulating water pump and the first water inlet of the heat preservation heat storage water tank, the water outlets of the second circulating water pumps are respectively connected with the first water inlet of the heat preservation cold storage water tank and the water inlet of the temporary house phase change heat storage and cold storage enclosing structure, the water outlets of the temporary house phase change heat storage and cold storage enclosing structure are respectively connected with the water inlet of the third circulating water pump and the first water inlet of the heat preservation heat storage water tank, the water outlets of the air source heat pump unit are respectively connected with the water inlet of the third circulating water pump and the first water inlet of the heat storage water tank, the water outlets of the first circulating water pump is respectively connected with the water inlet of the heat storage water tank, the heat pump unit is respectively connected with the water inlet of the second heat storage water tank and the heat storage water pump, and the heat storage water pump is respectively connected with the water inlet of the heat storage water tank.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, the photovoltaic module board of the solar power generation heat collection refrigeration unit device is electrically connected with the photovoltaic junction box, the photovoltaic junction box is electrically connected with the photovoltaic direct-current converter, the photovoltaic direct-current converter is electrically connected with the direct-current bus, the direct-current bus is externally connected with the municipal power grid through the alternating-current/direct-current converter, the direct-current bus is electrically connected with the energy storage battery through the energy storage bidirectional converter, the direct-current bus is electrically connected with the direct-current load, and the direct-current load comprises an electric automobile charging pile, an air source heat pump unit, a circulating water pump, a fan coil air conditioner tail end, an electric valve and indoor illumination.
Preferably, in the method for using the construction site zero-energy-consumption temporary facility light storage direct-flexible system, the construction site zero-energy-consumption temporary facility light storage direct-flexible system can be switched among a solar photovoltaic power generation heat collection mode, a night sky radiation cooling mode, a solar heat supply mode, an air source heat pump unit auxiliary heat supply mode and an air source heat pump unit auxiliary cooling mode by switching corresponding electric valves;
in the daytime, when a solar photovoltaic power generation and heat collection mode is operated, the solar power generation, heat collection and refrigeration unit device is operated, an electric valve between the solar power generation, heat collection and refrigeration unit device and the heat preservation and heat storage water tank is opened, a first circulating water pump is opened, hot water is produced while the solar power generation, heat collection and refrigeration unit device generates power, the hot water is stored in the heat preservation and heat storage water tank, and the produced hot water can be used for domestic hot water; the electric power generated by the solar power generation heat collection refrigerating unit device sequentially passes through the photovoltaic combiner box and the photovoltaic direct current converter and then enters the direct current bus to supply power to any several direct current loads in electric automobile charging piles, air source heat pump units, circulating water pumps, tail ends of fan coil air conditioners and indoor illumination, and the electric power is charged to the energy storage battery;
At night in summer, when the night sky radiation cold supply mode is operated, an electric valve between the solar power generation heat collection refrigeration unit device and the heat preservation cold water storage tank is opened, a second circulating water pump is opened, cold water is generated by the solar power generation heat collection refrigeration unit device and flows into the heat preservation cold water storage tank, or an electric valve between the solar power generation heat collection refrigeration unit device and the temporary house phase change heat storage cold storage enclosure is opened, and cold water flows into the temporary house phase change heat storage cold storage enclosure, so that cold energy is stored in the temporary house phase change heat storage cold storage enclosure; in summer, the building phase-change cold-storage enclosure structure absorbs indoor heat, so that the load of an indoor air conditioner of the building is reduced; in summer, the electric valve between the heat-preserving cold-storage water tank and the tail end of the fan coil air conditioner is opened, and the third circulating water pump is opened, so that cold water in the heat-preserving cold-storage water tank flows through the tail end of the fan coil air conditioner and is used for indoor cooling.
In daytime in winter, when the solar heat supply mode is operated, an electric valve between the solar power generation heat collection refrigeration unit device and the temporary house phase change heat storage and cold accumulation building envelope is opened, and hot water produced by the solar power generation heat collection refrigeration unit device can be conveyed to the temporary house phase change heat storage and cold accumulation building envelope through the second circulating water pump for heat storage and radiation heat supply of a building wall; at night in winter, when the solar heat supply mode is adopted, an electric valve between the heat preservation and heat storage water tank and the tail end of the fan coil air conditioner is opened, a third circulating water pump is opened, hot water of the heat preservation and heat storage water tank flows through the tail end of the fan coil air conditioner to supply heat for the indoor, and at night in winter, the phase change heat storage wall of the building wall body dissipates heat, so that the indoor heat supply load of the building is reduced.
When the air source heat pump unit is operated in a heat supply mode, a first circulating water pump is started, an electric valve between the air source heat pump unit and the heat preservation and heat storage water tank is started, and generated hot water can be used for domestic hot water, or a third circulating water pump is started, an electric valve between the air source heat pump unit and the tail end of the fan coil air conditioner is started, and the air source heat pump unit directly supplies heat for a temporary building room through the tail end of the fan coil air conditioner;
when the air source heat pump unit is operated in a refrigerating mode, the third circulating water pump is started, an electric valve between the air source heat pump unit and the tail end of the fan coil air conditioner is started, and the air source heat pump unit directly supplies indoor cooling for the temporary building through the tail end of the fan coil air conditioner.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, the temporary house phase-change heat storage and cold storage enclosure structure comprises a phase-change heat storage and cold storage wall body, a phase-change heat storage and cold storage floor and a phase-change heat storage and cold storage roof, wherein the phase-change heat storage and cold storage wall body comprises a 50mm color steel rock wool sandwich plate, a 20mm vacuum heat preservation plate, a 30mm shaped phase-change material layer and a 0.4mm color steel plate which are sequentially arranged from outside to inside; the phase-change heat-storage cold-storage floor comprises a 0.4mm color steel plate, a 50mm rock wool plate, a 20mm vacuum heat-preservation plate, a 30mm shaping phase-change material layer, a 15mm glass magnesium fireproof plate and 2mm PVC ground glue which are sequentially arranged from bottom to top; the phase-change heat-storage cold-storage top plate comprises a 0.4mm color steel plate, a 50mm rock wool plate, a 20mm vacuum heat-preservation plate, a 30mm shaping phase-change material layer and a 0.4mm color steel plate which are sequentially arranged from top to bottom; the PP-R capillary network grating is embedded in the 30mm shaped phase change material layer, the specification of the capillary network grating is 4.3 multiplied by 0.8mm, and the capillary distance is 30mm.
Compared with the prior art, the technical scheme disclosed by the invention has the following beneficial effects:
1. the construction site zero-energy consumption temporary facility and the light storage direct-flexible system are embedded and modified through the flat micro heat pipe array (namely the micro heat pipe array heat transfer flat plate) and the phase change material (namely the packaging phase change material layer) on the basis of the traditional photovoltaic module, so that the multifunctional high-efficiency integrated module for photovoltaic power generation, heat collection and night sky radiation refrigeration is realized, and the comprehensive utilization efficiency of solar energy is greatly improved. The application of the night sky radiation refrigeration technology endows the solar photovoltaic photo-thermal integrated assembly with the passive refrigeration capability.
2. The construction site zero-energy-consumption temporary facility and the light-storage direct-flexible system provided by the invention realize the functions of electricity storage, heat storage and cold storage of the construction site zero-energy-consumption temporary facility on the basis of the traditional electricity storage through the energy storage battery, expand the energy storage mode and energy storage resources of the temporary facility, improve the capability of the construction site temporary facility for coping with outdoor temperature fluctuation and flexible energy utilization, and can obviously improve the indoor thermal environment of the temporary facility.
3. The construction site zero-energy consumption temporary facility and the light storage direct-soft system reduce the alternating-current and direct-current conversion loss in a direct-current distribution mode and improve the electricity utilization efficiency.
4. According to the construction site zero-energy-consumption temporary facility and the light storage direct-flexible system, provided by the invention, the heat preservation and heat insulation performance of the construction site temporary facility enclosure structure is improved by strengthening heat preservation and utilizing phase change materials for energy storage, the indoor cold and hot load demands of a building are reduced, the problems of severe indoor summer temperature rise or winter temperature drop and the like of the traditional construction site temporary facility light enclosure structure are overcome, and outdoor temperature fluctuation can be effectively solved.
5. According to the construction site zero-energy consumption temporary facility and the light storage direct-flexible system, the solar tracking automatic regulation device and the solar panel solar tracking regulation method are adopted, horizontal rotation and angle regulation control of the photovoltaic panel can be realized through the control of the rotary track, the rotary driving motor system and the telescopic rod, the movement of the sun is tracked, and the energy capturing efficiency of the photovoltaic panel is improved to the greatest extent.
Drawings
FIG. 1 is a construction site zero energy consumption temporary facility light storage straight and flexible system diagram;
FIG. 2 is a schematic diagram of a solar power generation heat collection refrigeration unit device;
FIG. 3 is a cross-sectional view of a solar power generation heat collection refrigeration unit device;
FIG. 4 is a schematic diagram of a DC power distribution system;
FIG. 5 is a cross-sectional view of a construction site zero energy consumption temporary facility wall structure;
FIG. 6 is a cross-sectional view of a construction site zero energy temporary facility roof structure;
FIG. 7 is a cross-sectional view of a construction site zero energy temporary facility floor structure;
FIG. 8 is a schematic illustration of a photovoltaic system sun tracking automatic regulating apparatus;
FIG. 9 is a photovoltaic stand turntable system;
FIG. 10 is a photovoltaic panel angle adjustment assembly;
FIG. 11 is a forward extending photovoltaic unit;
FIG. 12 is a reverse-extending photovoltaic unit;
FIG. 13 is a photovoltaic module panel orientation and solar altitude and azimuth;
FIG. 14 is a view of the solar altitude between the ground plane and the sun(angle between the connection line of the sun and the observation point and the horizontal plane of the observation point) and azimuth angle +>Is shown in the figure.
In the figure, 1-solar power generation heat collection refrigeration unit device, 100-photovoltaic module board, 101-glass cover plate, 102-first EVA packaging adhesive film, 103-solar cell, 104-second EVA packaging adhesive film, 105-TPT board, 106-first heat conduction silica gel layer, 107-micro heat pipe array heat transfer flat plate, 108-second heat conduction silica gel layer, 109-packaging phase change material layer, 110-second fin, 111-first fin, 112-heat exchange header, 2-first circulating water pump, 3-heat preservation heat storage water tank, 301-first water inlet of heat preservation heat storage water tank, 302-first water outlet of heat preservation heat storage water tank, 303-second water inlet of heat preservation heat storage water tank, 304-second water outlet of heat preservation heat storage water tank, 305-tap water supplementing inlet, 306-domestic hot water outlet, 4-heat preservation cold water storage tank, 401-first water inlet of heat preservation cold water storage tank, 402-first water outlet of heat preservation cold water storage tank, 403-second water inlet of heat preservation cold water storage tank, 404-second water outlet of heat preservation cold water storage tank, 5-air source heat pump unit, 501-compressor, 502-four-way reversing valve, 503-condenser (heating)/evaporator (refrigerating), 5031-refrigerant inlet, 5032-refrigerant outlet, 5033-waterway inlet, 5034-waterway outlet, 504-throttling device, 505-evaporator (heating)/condenser (refrigerating), 6-second circulating water pump, 7-third circulating water pump, 8-fan coil air conditioner tail end, 9-electric valve, 300-temporary house phase-change heat-storage cold-storage building envelope, 10-phase-change heat-storage cold-storage wall, 1001-color steel rock wool sandwich board, 1002-first vacuum insulation board, 1003-first shaped phase-change material layer, 1004-first color steel plate, 1005-capillary network grid, 11-phase-change heat-storage cold-storage top board, 1101-second color steel plate, 1102-second rock wool plate, 1103-second vacuum insulation board, 1104-second shaped phase-change material layer, 1105-fourth color steel plate, 12-phase-change heat-storage cold-storage floor, 1201-PVC ground glue, 1202-glass magnesium fireproof board, 1203-third shaped phase-change material layer, 1204-a third vacuum insulation board, 1205-a third rock wool board, 1206-a third color steel board, 13-a photovoltaic combiner box, 14-a photovoltaic direct current converter, 15-a municipal power grid, 16-an alternating current/direct current converter, 17-a direct current bus, 18-an energy storage bidirectional converter, 19-an energy storage battery, 20-a direct current converter, 21-indoor illumination, 22-an electric automobile charging pile, 23-a photovoltaic bracket turntable system, 231-a support base, 232-a rotary rail, 233-a connecting bracket, 234-a motor base, 235-a rotary driving motor system, 236-a motor rotary table, 237-a flange plate, 238-a first support plate and 239-a rotary roller; 24-photovoltaic panel angle regulation and control assembly, 241-installation base, 242-oil cylinder base, 243-oil cylinder sleeve, 244-telescopic link, 245-lower terminal, 246-spherical hinge connector, 247-upper terminal, 248-second backup pad, 25-forward extension photovoltaic unit, 26-backward extension photovoltaic unit, 27-top photovoltaic unit, 200-photovoltaic system solar tracking automatic regulation and control device, 30-sliding module, 31-driving motor, 32-guide rail, 33-slider, 34-installation support, 40-ground plane, 50-median line of second backup pad.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. The technical contents and features of the present invention will be described in detail below with reference to the attached drawings by way of the illustrated embodiments. It should be further noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention. For convenience of description, the "upper" and "lower" described below are consistent with the upper and lower directions of the drawings, but this should not be construed as a limitation of the technical scheme of the present invention.
Referring to fig. 1 to 14, the present embodiment discloses a method for using a construction site zero-energy consumption temporary facility light storage direct-flexible system, the construction site zero-energy consumption temporary facility light storage direct-flexible system includes a solar power generation heat collection refrigeration unit device 1, an air source heat pump unit 5, a temporary house phase change heat storage and cold accumulation enclosure 300, a heat preservation heat storage water tank 3, a heat preservation cold water storage tank 4, a fan coil air conditioner tail end 8 and an electric valve 9, the solar power generation heat collection refrigeration unit device 1 includes a photovoltaic module plate 100, a micro heat pipe array heat transfer flat plate 107, a heat exchange header 112 and an encapsulation phase change material layer 109, the micro heat pipe array heat transfer flat plate 107 is laid on the lower surface of the photovoltaic module plate 100 through a first heat conduction silica gel layer 106, one end of the micro heat pipe array heat transfer flat plate 107 horizontally extends into the heat exchange header 112, a plurality of first fins 111 are arranged in the heat exchange header 112, the plurality of first fins 111 are vertically sleeved on the outer side of the micro heat pipe array flat plate 107 at equal intervals, the top of the encapsulation material layer 109 is connected with the top of the second phase change material layer 110 which is far from the second phase change material layer 110 through a second heat transfer layer 110; the first fins 111 are made of copper, through holes for the micro-heat pipe array heat transfer flat plates 107 to pass through are formed in the first fins 111, the first fins 111 are fixedly connected with the micro-heat pipe array heat transfer flat plates 107, and heat or cold on the micro-heat pipe array heat transfer flat plates 107 is subjected to rapid and uniform heat exchange to water in the heat exchange header 112 through the first fins 111 arranged at intervals; through the second fins 110 arranged at equal intervals, heat or cold of the photovoltaic module board 100 can be quickly and uniformly exchanged with the phase change material in the packaging phase change material layer 109 through the second fins 110 arranged at equal intervals. The solar power generation heat collection refrigeration unit device 1, the air source heat pump unit 5, the temporary house phase change heat storage cold storage building envelope 300, the heat preservation heat storage water tank 3, the heat preservation cold storage water tank 4 and the tail end 8 of the fan coil air conditioner are connected through pipelines, electric valves 9 for system function switching are arranged in the pipelines, the corresponding electric valves 9 are controlled, the solar power generation heat collection refrigeration unit device 1 can supply water to the temporary house phase change heat storage cold storage building envelope 300, the heat preservation heat storage water tank 3 and the heat preservation cold storage water tank 4 respectively, the air source heat pump unit 5 can supply water to the heat preservation heat storage water tank 3 and the tail end 8 of the fan coil air conditioner respectively, and the heat preservation heat storage water tank 3 and the heat preservation cold storage water tank 4 can supply water to the tail end 8 of the fan coil air conditioner respectively, so that various operation function modes are realized. The multiple operation function modes comprise a solar photovoltaic power generation heat collection mode, a night sky radiation cold supply mode, a solar heat supply mode, an air source heat pump unit auxiliary cold supply mode and the like.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at a construction site, the solar power generation, heat collection and refrigeration unit device 1 includes a top photovoltaic unit 27, the top photovoltaic unit 27 is disposed on the second support plate 248, and the top photovoltaic unit 27 is parallel to the second support plate 248.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at a construction site, the solar power generation, heat collection and refrigeration unit device 1 further includes a forward extending photovoltaic unit 25 and a backward extending photovoltaic unit 26, the forward extending photovoltaic unit 25 and the backward extending photovoltaic unit 26 are respectively mounted on the second support plate 248 through a pair of sliding modules 30, the forward extending photovoltaic unit 25 and the backward extending photovoltaic unit 26 are respectively parallel to the second support plate 248, the sliding modules 30 for mounting the forward extending photovoltaic unit 25 are fixedly disposed on the lower surface of the second support plate 248, the sliding modules for mounting the backward extending photovoltaic unit 26 are fixedly disposed on the upper surface of the second support plate 248, the sliding modules 30 include a driving motor 31, a guide rail 32 and a sliding block 33, the driving motor 31 can drive the sliding block 33 to move along the guide rail 32, and the sliding block 33 is fixedly connected with the forward extending photovoltaic unit 25 or the backward extending photovoltaic unit 26 through a corresponding mounting bracket 34. By adding the forward extending photovoltaic unit 25 and the reverse extending photovoltaic unit 26, the light receiving area of the solar power generation, heat collection and refrigeration unit device 1 can be enlarged.
Preferably, in the method for using the light storage direct-flexible system of the temporary facility with zero energy consumption at the construction site as described above, the solar power generation, heat collection and refrigeration unit device 1 is disposed on the solar tracking automatic regulation device 200 of the photovoltaic system, and the solar tracking automatic regulation device 200 of the photovoltaic system includes: the photovoltaic support turntable system 23, the first support plate 238, the photovoltaic plate angle regulation and control assembly 24, the second support plate 248, the forward extending photovoltaic unit 25, the reverse extending photovoltaic unit 26 and the top photovoltaic unit 27, the photovoltaic support turntable system 23 is arranged at the top of the temporary facility, the first support plate 238 is arranged on the photovoltaic support turntable system 23, the photovoltaic support turntable system 23 can drive the first support plate 238 to rotate, the second support plate 248 is arranged on the first support plate 238 through the four photovoltaic plate angle regulation and control assemblies 24, the four photovoltaic plate angle regulation and control assemblies 24 are distributed at four corner positions of the second support plate 248, the solar power generation heat collection refrigeration unit device 1 is arranged on the second support plate 248, the photovoltaic module plates 100 in the solar power generation heat collection refrigeration unit device 1 are parallel to the second support plate 248, and the angles between the second support plate 248 and the horizontal plane can be regulated through the photovoltaic plate angle regulation and control assemblies 24; the photovoltaic panel angle adjusting and controlling assembly 24 comprises a mounting base 241, an oil cylinder base 242, an oil cylinder sleeve 243, a telescopic rod 244, a lower terminal 245, a spherical hinge connecting piece 246 and an upper terminal 247, wherein the mounting base 241 is fixedly arranged on the first supporting plate 238, the oil cylinder base 242 is arranged on the mounting base 241, the oil cylinder sleeve 243 is arranged on the oil cylinder base 242, the lower end of the telescopic rod 244 is arranged in the oil cylinder sleeve 243, the upper end of the telescopic rod 244 is connected with the lower terminal 245, the spherical hinge connecting piece 246 is arranged between the lower terminal 245 and the upper terminal 247, the upper terminal 247 is fixedly arranged on the lower surface of the second supporting plate 248, the telescopic rod 244 can perform telescopic movement relative to the respective oil cylinder sleeve 243, and the corresponding upper terminal 247 can be driven to move up and down through the telescopic movement of each telescopic rod 244, so that the angle between the second supporting plate 248 and the horizontal plane is adjusted. The invention adopts the photovoltaic bracket turntable system 23 and the photovoltaic panel angle regulation and control assembly 24, and can realize the horizontal rotation and angle regulation control of the second support plate 248 and the photovoltaic module panel 100 of the solar power generation, heat collection and refrigeration unit device 1 on the second support plate 248 through the control of the rotary driving motor system 235 and the telescopic rod 244, so that the photovoltaic module panel 100 can track the solar motion, and the solar energy capturing efficiency of the photovoltaic module panel 100 is improved to the greatest extent.
Preferably, in the above-mentioned construction site zero-energy temporary facility light storage direct-flexible system, the photovoltaic bracket turntable system 23 includes a support base 231, a revolving track 232, a connection bracket 233, a motor base 234, a revolving driving motor system 235, a motor revolving table 236, a flange 237 and a revolving roller 239; the support base 231 is arranged at the top of a temporary facility (such as a container) and is firmly connected to a top bearing structure of the temporary facility, the rotary rail 232 and the connecting support 233 are respectively and fixedly arranged on the support base 231, the connecting support 233 is positioned at the center of the rotary rail 232, the motor base 234 is arranged at the top of the connecting support 233, the rotary driving motor system 235 is arranged on the motor base 234, the motor rotary table 236 is arranged on the rotary driving motor system 235, the flange 237 is fixedly connected to the motor rotary table 236, the first support plate 238 is arranged at the top of the flange 237, the rotary roller 239 is fixedly connected with the lower part of the first support plate 238 through a connecting rod, and the rotary roller 239 can move on the rotary rail 232 when the rotary driving motor system 235 drives the motor rotary table 236 to rotate. By adopting the photovoltaic support turntable system 23 with the structure, the second support plate 248 can be freely rotated, so that the photovoltaic module plate 100 of the solar power generation, heat collection and refrigeration unit device 1 arranged on the second support plate 248 can vertically face the sun, and the solar energy capturing efficiency of the photovoltaic module plate 100 is improved. And, through the swing rail 232 and the swing driving motor system 235, the second support plate 248 and the photovoltaic module panel 100 disposed thereon can be horizontally rotated to track the movement of the sun, thereby maximally improving the energy capturing efficiency of the photovoltaic module panel 100. The connection of the motor rotary table 236 and the flange 237 ensures that the second support plate 248 and the photovoltaic module plate 100 arranged on the second support plate can rotate stably and reliably, and ensures that the photovoltaic module plate 100 can still operate normally under different weather conditions; the rotary roller 239 reduces friction during rotation and reduces energy loss; the stable connection of the whole system ensures the reliability of the solar tracking automatic regulation device 200 of the photovoltaic system.
Preferably, in the method for using the photovoltaic system sun tracking automatic regulation device 200 in the construction site zero-energy temporary facility light storage direct-flexible system, the following steps are adopted:
s1, the second support plate 248 is a rectangular plate, the included angle between the second support plate 248 and the north direction is theta, namely, the included angle between the median line 50 of the second support plate and the north direction is theta, and the clockwise rotation is positive; the lower parts of the four corners of the second supporting plate 248 are respectively supported by one of the photovoltaic panel angle adjusting and controlling assemblies 24, the telescopic rods 244 of each photovoltaic panel angle adjusting and controlling assembly 24 can freely extend and retract, and the extending lengths of the telescopic rods 244 corresponding to the four corners are respectively、/>、/>、/>The maximum extension length is +.>When->When the photovoltaic panel is in a horizontal state, and when each telescopic rod 244 is independently telescopic, the photovoltaic panel can generate an inclination angle;
s2, defining a reference lengthI.e. the length that the four telescopic rods 244 should reach when the sun is directly above, at which time the second support plate 248 is vertically directed to the sun, i.e. the sun is vertically incident on the photovoltaic module panel 100 parallel to the second support plate 248;
s3, referring to FIG. 14, the solar altitude angle of the region is established by the longitude and latitude of the region And azimuth->And the current date->Time->Is a function of>、/>WhereinSolar altitude->Means the included angle between the connection line of the sun and the observation point and the horizontal plane of the observation point, < ->The range of the value is 0 to 90 DEG, azimuth angle +.>Means the angle between the connection line of the sun and the observation point and the projection on the ground and the eastern direction, and ++>The value range of (2) is 0-180 degrees; the ellipse in fig. 14 represents the ground plane 40;
s4, respectively calculating the current time by the following simplified formulas、/>、/>、/>Is a value of (1):
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；
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s5, according to the change of the current date d and the time t, 4 pieces of the current date d and the time t are used forThe driving system of the telescopic rods 244 dynamically adjusts the length of each telescopic rod 244 to achieve the following purposes，/>，/>，/>The corresponding value, which drives the photovoltaic panel to generate a corresponding tilt angle, always makes the sun vertically incident on the photovoltaic module panel 100 parallel to the second support plate 248.
According to the application method of the construction site zero-energy-consumption temporary facility light storage direct-flexible system, the solar energy system sun-tracking automatic regulation device 200 is used for automatically sun-tracking control according to the steps, the incident angle of the sun can be automatically tracked according to the longitude and latitude of the place and the current date and time, the angle of the second support plate 248 and the solar power generation, heat collection and refrigeration unit device on the second support plate can be timely adjusted, and the maximum energy collection of solar energy is achieved, so that the efficiency and the energy yield of the system are effectively improved.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, a plurality of circulating water pumps are arranged in the pipeline, each circulating water pump comprises a first circulating water pump 2, a second circulating water pump 6 and a third circulating water pump 7, the water outlet of the solar power generation heat collection refrigeration unit device 1 is respectively connected with the water inlet of the second circulating water pump 6 and the first water inlet 301 of the heat preservation heat storage water tank, the water outlet of the second circulating water pump 6 is respectively connected with the first water inlet 401 of the heat preservation cold storage water tank and the water inlet of the temporary house phase change heat storage cold storage enclosure structure 300, the water outlet of the temporary house phase change heat storage cold storage enclosure structure 300 is connected with the water inlet of the solar power generation heat collection refrigeration unit device 1, the water outlet of the air source heat pump unit 5 is respectively connected with the water inlet of the third circulating water pump 7 and the first water inlet 301 of the heat preservation heat storage water tank, the first water outlet 302 of the heat-preservation heat storage water tank is connected with the water inlet of the first circulating water pump 2, the water outlet of the first circulating water pump 2 is connected with the water inlet of the solar power generation heat collection refrigeration unit device 1 and the water inlet of the air source heat pump unit 5 respectively, the water outlet of the third circulating water pump 7 is connected with the water inlet of the tail end 8 of the fan coil air conditioner, the water outlet of the tail end 8 of the fan coil air conditioner is connected with the water inlet of the air source heat pump unit 5, the second water inlet 303 of the heat-preservation heat storage water tank and the second water inlet 403 of the heat-preservation cold storage water tank respectively, and the water inlet of the third circulating water pump 7 is connected with the second water outlet 304 of the heat-preservation heat storage water tank and the second water outlet 404 of the heat-preservation cold storage water tank respectively.
Preferably, in the above method for using a temporary facility light storage direct-soft system with zero energy consumption at a construction site, the air source heat pump unit 5 includes a compressor 501, a four-way reversing valve 502, a condenser (heating)/evaporator (refrigerating) 503, a throttling device 504, an evaporator (heating)/condenser (refrigerating) 505, a refrigerant inlet 5031, a refrigerant outlet 5032, a waterway inlet 5033, and a waterway outlet 5034, the four-way reversing valve 502, the condenser (heating)/evaporator (refrigerating) 503, the throttling device 504, and the evaporator (heating)/condenser (refrigerating) 505 are sequentially connected, an outlet of the evaporator (heating)/condenser (refrigerating) 505 is connected to one inlet of the four-way reversing valve 502, an inlet of the evaporator (heating)/condenser (refrigerating) 505 is connected to an outlet of the throttling device 504, an inlet of the throttling device 504 is connected to a refrigerant outlet 5032 of the condenser (heating)/evaporator (refrigerating) 503, the refrigerant inlet 5031 of the condenser (heating)/evaporator (refrigerating) is connected to an outlet of the four-way reversing valve 502, an outlet of the four-way reversing valve 501 is connected to an outlet of the four-way reversing valve 502, an outlet of the evaporator (refrigerating) is connected to an outlet of the other four-way reversing valve 502, the other inlet of the four-way reversing valve 502 is connected to the compressor (refrigerating) and the other inlet of the four-way reversing valve 502 is connected to the inlet of the four-way reversing valve 502, the water path outlet 5034 of the condenser (heating)/evaporator (cooling) 503 serves as a water outlet of the air source heat pump unit 5.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, the photovoltaic module board 100 of the solar power generation, heat collection and refrigeration unit device 1 is electrically connected with the photovoltaic combiner box 13, the photovoltaic combiner box 13 is electrically connected with the photovoltaic direct-current converter 14, the photovoltaic direct-current converter 14 is electrically connected with the direct-current bus 17, the direct-current bus 17 is externally connected with the municipal power grid 15 through the alternating-current/direct-current converter 16, the direct-current bus 17 is electrically connected with the energy storage battery 19 through the energy storage bidirectional converter 18, the direct-current bus 17 is electrically connected with the direct-current load, and the direct-current load comprises the electric automobile charging pile 22, the air source heat pump unit 5, the circulating water pump, the fan coil air conditioner tail end 8, the electric valve 9 and the indoor lighting 21. In this way, the electric power generated by the solar power generation, heat collection and refrigeration unit device 1 can enter the direct current bus 17 through the photovoltaic combiner box 13 and the photovoltaic direct current converter 14 in sequence to supply power to direct current loads such as the electric automobile charging pile 22, the air source heat pump unit 5, the circulating water pump, the tail end 8 of the fan coil air conditioner, the indoor lighting 21 and the like, and charge the energy storage battery 19.
According to the application method of the light storage direct-flexible system of the construction site zero-energy temporary facility, disclosed by the invention, on the basis of the traditional electric power storage through the energy storage battery 19, the functions of electricity storage, heat storage and cold storage of the construction site zero-energy temporary facility are realized, the energy storage mode and energy storage resources of the temporary facility are expanded, the capability of the construction site temporary facility for coping with outdoor temperature fluctuation and flexible energy utilization is improved, and the indoor thermal environment of the temporary facility can be remarkably improved. In addition, the invention reduces the conversion loss of alternating current and direct current through a direct current distribution mode and effectively improves the electricity utilization efficiency.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at a construction site, the photovoltaic module board comprises a glass cover plate 101, a first EVA packaging adhesive film 102, a solar cell 103, a second EVA packaging adhesive film 104 and a TPT board 105 which are laid in sequence, wherein the TPT board 105 is connected with the micro-thermal tube array heat transfer flat plate 107 through a first heat conducting silica gel layer 106. Wherein the EVA packaging adhesive film adopts ethylene-vinyl acetate copolymer (EVA), is a general high molecular polymer, and has a molecular formula of (C 2 H 4 ) x .(C 4 H 6 O 2 ) y Is flammable and has no pungent burning smell. The TPT sheet 105 is a back sheet of a photovoltaic module, TPT is a polyvinyl fluoride composite film, and Tedlar/PET/Tedlar abbreviation, and the TPT sheet 105 has a three-layer structure: the PVF of the outer protective layer has good environmental erosion resistance, the middle layer is a polyester film with good insulating property, and the PVF of the inner layer has good bonding property after surface treatment and EVA.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site, the temporary house phase-change heat-storage cold-storage enclosure 300 includes a phase-change heat-storage cold-storage wall 10, a phase-change heat-storage cold-storage floor 12, and a phase-change heat-storage cold-storage top plate 11.
The phase-change heat storage cold accumulation wall 10 comprises a color steel rock wool sandwich plate 1001 with the thickness of 50mm, a first vacuum insulation plate 1002 with the thickness of 20mm, a first formed phase-change material layer 1003 with the thickness of 30mm and a first color steel plate 1004 with the thickness of 0.4mm which are sequentially arranged from outside to inside, wherein a PP-R capillary network grid 1005 is embedded in the first formed phase-change material layer 1003 with the thickness of 30mm, the specification of the capillary network grid 1005 is 4.3X0.8 mm, and the capillary distance of the capillary network grid 1005 is 30mm;
the phase-change heat storage cold accumulation top plate 11 comprises a second color steel plate 1101 with the thickness of 0.4mm, a second rock wool plate 1102 with the thickness of 50mm, a second vacuum heat-insulation plate 1103 with the thickness of 20mm, a second shaping phase-change material layer 1104 with the thickness of 30mm and a fourth color steel plate 1105 with the thickness of 0.4mm which are sequentially arranged from top to bottom, a capillary network grid 1005 made of PP-R material is embedded in the second shaping phase-change material layer 1104 with the thickness of 30mm, the specification of the capillary network grid 1005 is 4.3X0.8 mm, and the capillary distance of the capillary network grid 1005 is 30mm.
The phase-change heat storage cold accumulation floor 12 comprises a third color steel plate 1206 with the thickness of 0.4mm, a third rock wool plate 1205 with the thickness of 50mm, a third vacuum heat preservation plate 1204 with the thickness of 20mm, a third shaping phase-change material layer 1203 with the thickness of 30mm, a glass magnesium fireproof plate 1202 with the thickness of 15mm and PVC ground glue 1201 with the thickness of 2mm which are sequentially arranged from bottom to top, wherein a PP-R capillary grid is embedded in the third shaping phase-change material layer 1203 with the thickness of 30mm, the specification of the capillary grid 1005 is 4.3 multiplied by 0.8mm, and the capillary spacing of the capillary grid 1005 is 30mm;
The phase-change heat storage and cold storage wall body 10, the phase-change heat storage and cold storage floor 12 and the phase-change heat storage and cold storage top plate 11 adopting the structure improve the heat preservation and heat insulation performance of the temporary facility building envelope on the construction site by enhancing heat preservation and utilizing phase-change materials for energy storage, reduce the indoor cold and hot load demands of the building, overcome the problems of severe indoor summer temperature rise or winter temperature drop of the light building envelope on the traditional construction site, and can effectively cope with outdoor temperature fluctuation.
Preferably, in the method for using the construction site zero-energy temporary facility light storage direct-flexible system, the construction site zero-energy temporary facility light storage direct-flexible system can be switched among a solar photovoltaic power generation heat collection mode, a night sky radiation cooling mode, a solar heat supply mode, an air source heat pump unit auxiliary heat supply mode and an air source heat pump unit auxiliary cooling mode. The method comprises the following steps:
preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site as described above, during daytime running the solar photovoltaic power generation and heat collection mode, the solar power generation and heat collection refrigeration unit device 1 is operated, the electric valve 9 between the solar power generation and heat collection refrigeration unit device 1 and the heat preservation and heat storage water tank 3 is opened, the first circulating water pump 2 is opened, hot water is produced while the solar power generation and heat collection refrigeration unit device 1 generates electricity, the hot water is stored in the heat preservation and heat storage water tank 3, and the produced hot water can be used for domestic hot water; the electric power generated by the solar power generation heat collection refrigeration unit device 1 sequentially passes through the photovoltaic combiner box 13 and the photovoltaic direct current converter 14 and then enters the direct current bus 17 to supply power to any several direct current loads in the electric automobile charging pile 22, the air source heat pump unit, the circulating water pump, the tail end of the fan coil air conditioner and the indoor lighting 21, and charges the energy storage battery 19.
Preferably, in the method for using the temporary facility light storage direct-soft system with zero energy consumption at the construction site, when the night air radiation cold supply mode is operated in summer, the electric valve 9 between the solar power generation heat collection refrigeration unit device 1 and the heat preservation cold water storage tank 4 is opened, the second circulating water pump 6 is opened, the solar power generation heat collection refrigeration unit device 1 generates cold water, the cold water flows into the heat preservation cold water storage tank 4, or the electric valve 9 between the solar power generation heat collection refrigeration unit device 1 and the temporary house phase change heat storage cold storage enclosure 300 is opened, the cold water flows into the temporary house phase change heat storage cold storage enclosure 300, so that cold energy is stored in the temporary house phase change heat storage cold storage enclosure 300; in summer, the building phase-change cold-storage enclosure structure absorbs indoor heat, so that the load of an indoor air conditioner of the building is reduced; in summer, the electric valve 9 between the heat-preserving cold water storage tank 4 and the tail end 8 of the fan coil air conditioner is opened, and the third circulating water pump 7 is opened, so that cold water in the heat-preserving cold water storage tank 4 flows through the tail end 8 of the fan coil air conditioner to supply cold for the indoor space.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site as described above, when the solar heating mode is operated in daytime in winter, the electric valve 9 between the solar power generation heat collection refrigeration unit device 1 and the temporary house phase change heat storage and cold storage enclosure 300 is opened, and the hot water produced by the solar power generation heat collection refrigeration unit device 1 can be conveyed to the temporary house phase change heat storage and cold storage enclosure 300 through the second circulating water pump 6 for heat storage and radiation heating of the building wall; during the night in winter, the phase change heat storage wall of the building wall body dissipates heat, so that the indoor heat supply load of the building is reduced; at night in winter, the electric valve 9 between the heat preservation and heat storage water tank 3 and the tail end 8 of the fan coil air conditioner is opened, the third circulating water pump 7 is opened, and hot water in the heat preservation and heat storage water tank 3 flows through the tail end 8 of the fan coil air conditioner to supply heat for the indoor space.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site as described above, when the air source heat pump unit is operated in a heating mode, the first circulating water pump 2 is turned on, the electric valve 9 between the air source heat pump unit and the heat preservation and heat storage water tank 3 is turned on, and the generated hot water can be used for domestic hot water; or the third circulating water pump 7 is started, the electric valve 9 between the air source heat pump unit and the tail end 8 of the fan coil air conditioner is started, and the air source heat pump unit directly supplies heat for the temporary building room through the tail end 8 of the fan coil air conditioner.
Preferably, in the method for using the temporary facility light storage direct-flexible system with zero energy consumption at the construction site as described above, when the air source heat pump unit is operated in the refrigeration mode, the third circulating water pump 7 is turned on, the electric valve 9 between the air source heat pump unit and the fan coil air conditioner end 8 is turned on, and the air source heat pump unit directly supplies indoor cooling for the temporary building through the fan coil air conditioner end 8.
From the above, the invention realizes the switching of different system functions by controlling the opening and closing of a plurality of electric valves 9 and the related pipeline passages. During daytime, the solar power generation, heat collection and refrigeration unit generates power and simultaneously produces hot water, and the hot water can be stored in the heat preservation and heat storage water tank 3; during winter, hot water produced while the solar power generation, heat collection and refrigeration unit generates power can be stored in the heat preservation and storage water tank 3 or conveyed to the temporary house phase-change heat storage and cold storage building envelope 300 for heat storage and radiation heat supply of building walls; and when the winter is at night, the phase change heat storage enclosure structure of the building wall body dissipates heat, so that the indoor heat supply load of the building is reduced. According to the night sky radiation refrigeration principle, in summer and at night, the solar power generation heat collection refrigeration unit is cooled due to the night sky radiation, the embedded micro-heat pipe array heat transfer flat plate 107 can transfer cold energy to the heat exchange header 112, cold water can be produced through heat exchange, and the produced cold water can be conveyed to the temporary house phase change heat storage cold storage building envelope 300 for cold storage of building walls and indoor radiation cooling of buildings; during the daytime in summer, the building phase-change cold-storage building enclosure structure absorbs indoor heat and reduces the indoor air-conditioning load of the building, and the produced cold water can also be stored in the heat-preservation cold-water storage tank 4 for cooling the indoor fan coil air-conditioning terminal 8 of the temporary house in the daytime in summer.
In summary, the invention has the following beneficial effects:
1. the construction site zero-energy consumption temporary facility and the light storage direct-flexible system are embedded and modified through the flat micro heat pipe array (namely the micro heat pipe array heat transfer flat plate) and the phase change material (namely the packaging phase change material layer) on the basis of the traditional photovoltaic module, so that the multifunctional high-efficiency integrated module for photovoltaic power generation, heat collection and night sky radiation refrigeration is realized, and the comprehensive utilization efficiency of solar energy is greatly improved. The application of the night sky radiation refrigeration technology endows the solar photovoltaic photo-thermal integrated assembly with the passive refrigeration capability.
2. The construction site zero-energy-consumption temporary facility and the light-storage direct-flexible system provided by the invention realize the functions of electricity storage, heat storage and cold storage of the construction site zero-energy-consumption temporary facility on the basis of the traditional electricity storage through the energy storage battery, expand the energy storage mode and energy storage resources of the temporary facility, improve the capability of the construction site temporary facility for coping with outdoor temperature fluctuation and flexible energy utilization, and can obviously improve the indoor thermal environment of the temporary facility.
3. The construction site zero-energy consumption temporary facility and the light storage direct-soft system reduce the alternating-current and direct-current conversion loss in a direct-current distribution mode and improve the electricity utilization efficiency.
4. According to the construction site zero-energy-consumption temporary facility and the light storage direct-flexible system, provided by the invention, the heat preservation and heat insulation performance of the construction site temporary facility enclosure structure is improved by strengthening heat preservation and utilizing phase change materials for energy storage, the indoor cold and hot load demands of a building are reduced, the problems of severe indoor summer temperature rise or winter temperature drop and the like of the traditional construction site temporary facility light enclosure structure are overcome, and outdoor temperature fluctuation can be effectively solved.
5. According to the construction site zero-energy consumption temporary facility and the light storage direct-flexible system, the solar tracking automatic regulation device and the solar panel solar tracking regulation method are adopted, horizontal rotation and angle regulation control of the photovoltaic panel can be realized through the control of the rotary track, the rotary driving motor system and the telescopic rod, the movement of the sun is tracked, and the energy capturing efficiency of the photovoltaic panel is improved to the greatest extent.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.
Claims (10)
1. The application method of the construction site zero-energy consumption temporary facility light storage direct-softening system is characterized in that the construction site zero-energy consumption temporary facility light storage direct-softening system comprises a solar power generation heat collection refrigeration unit device, an air source heat pump unit, a temporary house phase change heat storage and cold accumulation enclosure structure, a heat preservation heat storage water tank, a heat preservation cold storage water tank, a tail end of a fan coil air conditioner and an electric valve, the solar power generation heat collection refrigeration unit device comprises a photovoltaic assembly plate, a micro heat pipe array heat transfer flat plate, a heat exchange header and an encapsulation phase change material layer, the micro heat pipe array heat transfer flat plate is paved on the lower surface of the photovoltaic assembly plate through a first heat conduction silica gel layer, one end of the micro heat pipe array heat transfer flat plate horizontally extends to the inside of the heat exchange header, a plurality of first fins are arranged in the heat exchange header, the plurality of first fins are vertically sleeved on the outer side of the micro heat pipe array heat transfer flat plate at equal intervals, the top of the encapsulation phase change material layer is connected with the surface of the micro heat pipe array heat transfer flat plate far away from the photovoltaic assembly plate through a second silica gel layer, and a plurality of second phase change material layers are arranged in the encapsulation material layer, and the second fins are connected with the phase change material layer at equal intervals; the solar power generation heat collection refrigeration unit device, the air source heat pump unit, the temporary house phase-change heat storage and cold accumulation building envelope, the heat preservation heat storage water tank, the heat preservation cold storage water tank and the tail end of the fan coil air conditioner are connected through pipelines, electric valves for system function switching are arranged in the pipelines, and the corresponding electric valves are controlled, so that the solar power generation heat collection refrigeration unit device can supply water to the temporary house phase-change heat storage and cold accumulation building envelope, the heat preservation heat storage water tank and the heat preservation cold storage water tank respectively, the air source heat pump unit can supply water to the heat preservation heat storage water tank and the tail end of the fan coil air conditioner respectively, and the heat preservation heat storage water tank and the heat preservation cold storage water tank can supply water to the tail end of the fan coil air conditioner respectively.
2. The method for using the light storage direct-flexible system of the construction site zero-energy temporary facility according to claim 1, wherein the solar power generation, heat collection and refrigeration unit device is arranged on a solar tracking automatic regulation device of a photovoltaic system, and the solar tracking automatic regulation device of the photovoltaic system comprises: the solar power generation heat collection refrigeration unit device is arranged on the second support plate, a photovoltaic module plate in the solar power generation heat collection refrigeration unit device is parallel to the second support plate, and the angle between the second support plate and a horizontal plane can be adjusted through the photovoltaic plate angle regulation and control assembly; the photovoltaic board angle regulation and control subassembly includes installation base, hydro-cylinder sleeve, telescopic link, lower part terminal, spherical hinge connecting piece and upper portion terminal, the installation base is fixed to be set up in first backup pad, and hydro-cylinder base sets up on the installation base, and a cylinder sleeve sets up on the hydro-cylinder base, and the lower extreme of telescopic link sets up in hydro-cylinder sleeve, and lower part terminal is connected to the upper end of telescopic link, is provided with spherical hinge connecting piece in the middle of lower part terminal and the upper portion terminal, and upper portion terminal is fixed to be set up on the lower surface of second backup pad, and the telescopic link can carry out telescopic movement relative to respective hydro-cylinder sleeve, can drive corresponding upper portion terminal and reciprocate through the telescopic movement of each telescopic link, thereby adjusts the angle of second backup pad and horizontal plane.
3. The method of using the zero-energy temporary facility light storage straight and flexible system in a construction site according to claim 2, wherein the photovoltaic bracket turntable system comprises a support base, a swivel rail, a connecting bracket, a motor base, a swivel driving motor system, a motor swivel table, a flange plate and a swivel roller; the support base sets up in the top of interim facility, gyration track and linking bridge are fixed respectively to be set up on the support base, the linking bridge is located gyration track's central point puts, and motor base sets up in linking bridge's top, and gyration driving motor system sets up on motor base, the motor revolving platform set up in on the driving motor system, ring flange fixed connection in on the motor revolving platform, first backup pad set up in the top of ring flange, gyration gyro wheel pass through the connecting rod with the lower part fixed connection of first backup pad, works as the driving motor system drives when the motor revolving platform rotates, gyration gyro wheel can the gyration track removes.
4. The method for using the zero-energy-consumption temporary facility light storage direct-flexible system in the construction site according to claim 2, wherein the solar tracking automatic regulation device of the photovoltaic system is regulated by the following steps:
S1, a second supporting plate is a rectangular plate, an included angle between the second supporting plate and the north direction is theta, and clockwise rotation is positive; four angles below of the second supporting plate are respectively supported by the photovoltaic plate angle regulating and controlling components, the telescopic rod of each photovoltaic plate angle regulating and controlling component can freely stretch out and draw back, and the stretching lengths of the telescopic rods corresponding to the four angles are respectively、/>、/>、/>The maximum extension length is +.>When->At the time of photovoltaic panelIn a horizontal state, when each telescopic rod stretches independently, the photovoltaic panel can generate an inclination angle;
s2, defining a reference lengthThe length that the four telescopic rods should reach when the sun is right above, at this time, the second support plate points vertically to the sun, i.e. the sun is vertically incident on the photovoltaic module plate parallel to the second support plate;
s3, establishing the solar altitude angle of the region by the longitude and latitude of the regionAnd azimuth->And the current dateTime->Is a function of>、/>Wherein the solar altitude is->Means the included angle between the connection line of the sun and the observation point and the horizontal plane of the observation point, < ->The range of the value is 0 to 90 DEG, azimuth angle +.>Refers to the included angle between the connection line of the sun and the observation point and the projection of the sun on the ground and the eastern direction, />The value range of (2) is 0-180 degrees;
s4, respectively calculating the current time by the following simplified formulas、/>、/>、/>Is a value of (1):
；
；
；
；
s5, dynamically adjusting the lengths of the telescopic rods through a driving system of 4 telescopic rods according to the change of the current date d and the current time t so as to respectively achieve，/>，/>，/>And the corresponding value drives the photovoltaic panel to generate a corresponding inclination angle, and the sun always vertically enters the photovoltaic module panel parallel to the second supporting plate.
5. The method of using a zero energy temporary facility light storage direct and soft system at a construction site according to claim 2, wherein the solar power generation, heat collection and refrigeration unit device comprises a top photovoltaic unit, the top photovoltaic unit is arranged on the second support plate, and the top photovoltaic unit is parallel to the second support plate.
6. The method of claim 5, wherein the solar power generation, heat collection and refrigeration unit device further comprises a forward extending photovoltaic unit and a reverse extending photovoltaic unit, the forward extending photovoltaic unit and the reverse extending photovoltaic unit are respectively installed on the second supporting plate through a pair of sliding modules, the forward extending photovoltaic unit and the reverse extending photovoltaic unit are respectively parallel to the second supporting plate, the sliding modules for installing the forward extending photovoltaic unit are fixedly arranged on the lower surface of the second supporting plate, the sliding modules for installing the reverse extending photovoltaic unit are fixedly arranged on the upper surface of the second supporting plate, the sliding modules comprise driving motors, guide rails and sliding blocks, the driving motors can drive the sliding blocks to move along the guide rails, and the sliding blocks are fixedly connected with the forward extending photovoltaic unit or the reverse extending photovoltaic unit through corresponding installing brackets.
7. The method for using the temporary facility light-storage direct-softening system with zero energy consumption at the construction site according to claim 1, wherein a plurality of circulating water pumps are arranged in the pipeline, the circulating water pumps comprise a first circulating water pump, a second circulating water pump and a third circulating water pump, the water outlets of the solar power generation heat collection refrigerating unit device are respectively connected with the water inlet of the second circulating water pump and the first water inlet of the heat preservation heat storage water tank, the water outlets of the second circulating water pump are respectively connected with the first water inlet of the heat preservation cold storage water tank and the water inlet of the temporary house phase-change heat storage cold storage enclosing structure, the water outlets of the temporary house phase-change heat storage cold storage enclosing structure are respectively connected with the water inlet of the solar power generation heat collection refrigerating unit device, the water outlets of the air source heat pump set are respectively connected with the water inlet of the third circulating water pump and the first water inlet of the heat preservation heat storage water tank, the water outlets of the first circulating water pump are respectively connected with the water inlet of the first circulating water pump, the water outlet of the first circulating water tank is respectively connected with the water inlet of the first circulating water pump, the water outlet of the first circulating water pump is connected with the first water inlet of the heat storage water tank, the water inlet of the heat storage water tank is respectively connected with the second water inlet of the heat pump water pump, the heat storage unit is connected with the water inlet of the heat storage water pump is connected with the heat storage water pump is connected with the heat storage water pipe.
8. The method of claim 7, wherein the photovoltaic module panel of the solar power generation, heat collection and refrigeration unit device is electrically connected with a photovoltaic combiner box, the photovoltaic combiner box is electrically connected with a photovoltaic direct current converter, the photovoltaic direct current converter is electrically connected with a direct current bus, the direct current bus is externally connected with a municipal power grid through an alternating current/direct current converter, the direct current bus is electrically connected with an energy storage battery through an energy storage bidirectional converter, the direct current bus is electrically connected with a direct current load, and the direct current load comprises an electric automobile charging pile, an air source heat pump unit, a circulating water pump, a fan coil air conditioner tail end, an electric valve and indoor illumination.
9. The method for using the construction site zero-energy temporary facility light storage direct-flexible system according to claim 8, wherein the construction site zero-energy temporary facility light storage direct-flexible system can be switched among a solar photovoltaic power generation heat collection mode, a night sky radiation cooling mode, a solar heat supply mode, an air source heat pump unit auxiliary heat supply mode and an air source heat pump unit auxiliary cooling mode;
In the daytime, when a solar photovoltaic power generation and heat collection mode is operated, the solar power generation, heat collection and refrigeration unit device is operated, an electric valve between the solar power generation, heat collection and refrigeration unit device and the heat preservation and heat storage water tank is opened, a first circulating water pump is opened, hot water is produced while the solar power generation, heat collection and refrigeration unit device generates power, the hot water is stored in the heat preservation and heat storage water tank, and the produced hot water can be used for domestic hot water; the electric power generated by the solar power generation heat collection refrigerating unit device sequentially passes through the photovoltaic combiner box and the photovoltaic direct current converter and then enters the direct current bus to supply power to any several direct current loads in electric automobile charging piles, air source heat pump units, circulating water pumps, tail ends of fan coil air conditioners and indoor illumination, and the electric power is charged to the energy storage battery;
at night in summer, when the night sky radiation cold supply mode is operated, an electric valve between the solar power generation heat collection refrigeration unit device and the heat preservation cold water storage tank is opened, a second circulating water pump is opened, cold water is generated by the solar power generation heat collection refrigeration unit device and flows into the heat preservation cold water storage tank, or an electric valve between the solar power generation heat collection refrigeration unit device and the temporary house phase change heat storage cold storage enclosure is opened, and cold water flows into the temporary house phase change heat storage cold storage enclosure, so that cold energy is stored in the temporary house phase change heat storage cold storage enclosure; in summer, the building phase-change cold-storage enclosure structure absorbs indoor heat, so that the load of an indoor air conditioner of the building is reduced; in the daytime in summer, an electric valve between the heat-preserving cold-storage water tank and the tail end of the fan coil air conditioner is opened, and a third circulating water pump is opened, so that cold water in the heat-preserving cold-storage water tank flows through the tail end of the fan coil air conditioner to supply cold for the indoor space;
In daytime in winter, when the solar heat supply mode is operated, an electric valve between the solar power generation heat collection refrigeration unit device and the temporary house phase change heat storage and cold accumulation building envelope is opened, and hot water produced by the solar power generation heat collection refrigeration unit device can be conveyed to the temporary house phase change heat storage and cold accumulation building envelope through the second circulating water pump for heat storage and radiation heat supply of a building wall; at night in winter, when a solar heat supply mode is adopted, an electric valve between the heat preservation and heat storage water tank and the tail end of the fan coil air conditioner is opened, a third circulating water pump is opened, hot water of the heat preservation and heat storage water tank flows through the tail end of the fan coil air conditioner to supply heat for the indoor, and at night in winter, the phase change heat storage wall of the building wall body dissipates heat, so that the indoor heat supply load of the building is reduced;
when the air source heat pump unit is operated in a heat supply mode, a first circulating water pump is started, an electric valve between the air source heat pump unit and the heat preservation and heat storage water tank is started, and generated hot water can be used for domestic hot water, or a third circulating water pump is started, an electric valve between the air source heat pump unit and the tail end of the fan coil air conditioner is started, and the air source heat pump unit directly supplies heat for a temporary building room through the tail end of the fan coil air conditioner;
When the air source heat pump unit is operated in a refrigerating mode, the third circulating water pump is started, an electric valve between the air source heat pump unit and the tail end of the fan coil air conditioner is started, and the air source heat pump unit directly supplies indoor cooling for the temporary building through the tail end of the fan coil air conditioner.
10. The method for using the zero-energy-consumption temporary facility light storage direct-flexible system in the construction site is characterized in that the temporary house phase-change heat storage and cold storage building envelope comprises a phase-change heat storage and cold storage wall body, a phase-change heat storage and cold storage floor and a phase-change heat storage and cold storage roof, and the phase-change heat storage and cold storage wall body comprises a 50mm color steel rock wool sandwich plate, a 20mm vacuum insulation plate, a 30mm shaped phase-change material layer and a 0.4mm color steel plate which are sequentially arranged from outside to inside; the phase-change heat-storage cold-storage floor comprises a 0.4mm color steel plate, a 50mm rock wool plate, a 20mm vacuum heat-preservation plate, a 30mm shaping phase-change material layer, a 15mm glass magnesium fireproof plate and 2mm PVC ground glue which are sequentially arranged from bottom to top; the phase-change heat-storage cold-storage top plate comprises a 0.4mm color steel plate, a 50mm rock wool plate, a 20mm vacuum heat-preservation plate, a 30mm shaping phase-change material layer and a 0.4mm color steel plate which are sequentially arranged from top to bottom; the PP-R capillary network grating is embedded in the 30mm shaped phase change material layer, the specification of the capillary network grating is 4.3 multiplied by 0.8mm, and the capillary distance is 30mm.
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