CN104115706B - The green house of solar phase change heat accumulator coupling air current circulation - Google Patents

The green house of solar phase change heat accumulator coupling air current circulation Download PDF

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Publication number
CN104115706B
CN104115706B CN201410351378.6A CN201410351378A CN104115706B CN 104115706 B CN104115706 B CN 104115706B CN 201410351378 A CN201410351378 A CN 201410351378A CN 104115706 B CN104115706 B CN 104115706B
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China
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heat
water tank
fan
green house
feed channel
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CN201410351378.6A
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Chinese (zh)
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CN104115706A (en
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杨斯涵
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东南大学
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

Abstract

The invention discloses the green house of a kind of solar phase change heat accumulator coupling air current circulation, comprise green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly and preheating chamber; The vacuum heat collection pipe that solar energy phase transition heat accumulation assembly comprises solar energy heating water tank and is communicated with solar energy heating water tank, is provided with phase change heat accumulator and cool-heat-exchanger in heat collection water tank; Airflow circulating assembly comprises supply fan, the first feed channel, three-way diverter valve, the second feed channel, fan of giving vent to anger, the 3rd feed channel and ventilation fan; In preheating chamber, be provided with metal heat transfer pipe, the outer wall of metal heat transfer pipe is provided with tubular ceramic heating element; Supply fan and fan of giving vent to anger are installed in room temperature booth.It is good that the present invention possesses heating effect, and structure is simple, the advantages such as power consumption is little and pollution-free, especially can keep constant temperature in booth at extreme and rainy weather, outside the heating function of the system of guarantee, also possesses the function of ventilation in booth.

Description

The green house of solar phase change heat accumulator coupling air current circulation

Technical field

The present invention relates to a kind of sun glasshouse booth, especially relate to the constant temperature booth of a kind of solar phase change heat accumulator coupling air current circulation.

Background technology

Along with the proposition of sustainable development view, energy-saving and emission-reduction also start to arouse widespread concern, and the gross appearance of energy-saving and emission-reduction in agricultural is green house.Greenhouse industry in China's development rapidly in recent years, and having become growing point and the boost motor of modern agricultural production development, is representative pattern and the developing direction of modern agriculture.Green house implements the main body in agricultural industry as China, has started to become the industry that in agricultural planting industry, interests are the highest.It is for solving the vegetables supply in dull season in long-standing problem the northern area of China winter, and increase farmers' income, economize energy, settle employment, avoid the environmental pollution that greenhouse heating causes, stable society etc. have all made contribution to the history of.How to build novel day-light greenhouse, build good natural environment and seem particularly important.But existing green house ubiquity heat-storing device is perfect not, does not have the air interchanger in thermostat and booth, so play photosynthesis and respiration not in full conformity with plant self-sow with effective.

Described in comprehensive: it is not ideal enough that existing sun glasshouse booth exists heat accumulation effect, in night canopy, the content of oxygen is few, does not have ventilatory, the deficiencies such as lack of wisdom control system.

Summary of the invention

Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of green house that sunlight booth heat accumulation and ventilatory are provided by solar water heater system, solve sunlight booth night or overcast and rainy to there is heat accumulation effect not ideal enough, in night canopy, the content of oxygen is few, does not have the deficiencies such as ventilatory.

Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:

A green house for solar phase change heat accumulator coupling air current circulation, is characterized in that: comprise green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly and preheating chamber; The vacuum heat collection pipe that described solar energy phase transition heat accumulation assembly comprises solar energy heating water tank and is communicated with solar energy heating water tank, described heat collection water tank is provided with electronics water intaking valve, heat collection water tank water inlet pipe and water level controller, phase change heat accumulator and cool-heat-exchanger is provided with in described heat collection water tank, phase transformation holding vessel is set in described phase change heat accumulator, described phase transformation holding vessel is sealed type cylindrical shell, at the phase-change material paraffin of described phase transformation holding vessel built with solid or liquid; Described airflow circulating assembly comprises supply fan, the first feed channel, three-way diverter valve, the second feed channel, fan of giving vent to anger, the 3rd feed channel and ventilation fan, three ports of described three-way diverter valve are connected with described first feed channel, the second feed channel and the 3rd feed channel respectively, described supply fan is connected in the first feed channel, described fan of giving vent to anger is connected in described second feed channel, and described ventilation fan is connected in described 3rd feed channel; In described preheating chamber, be provided with metal heat transfer pipe, be provided with the tubular ceramic heating element worked asynchronously with described ventilation fan at the outer wall of metal heat transfer pipe; Described metal heat transfer pipe and cool-heat-exchanger are arranged in the second described feed channel; Described supply fan and fan of giving vent to anger are installed in green house, and be also provided with exhaust fan in the wall inner top side of described green house, the air inlet end mouth of described exhaust fan is towards in booth, and the air outlet of exhaust fan is towards outside booth; Describedly in green house, be also provided with phase transformation radiator wall, described solar energy heating water tank is connected with respectively thermal source outlet pipe and thermal source return pipe, described thermal source outlet pipe is connected with the phase transformation radiator wall one end in booth by an electronics stop valve, and described thermal source return pipe is connected with the other end of phase transformation radiator wall by a circulating pump.

Described preheating chamber is arranged on a side end of described solar energy heating water tank, and described ventilation fan is arranged on the lower end of the preheating chamber of a side end of solar energy heating water tank; Inside the wall of described green house, be provided with control cabinet, in control cabinet, be provided with temperature sensor and temperature detect switch (TDS); The signal output part of described temperature sensor is connected with the signal input part of temperature detect switch (TDS); Described temperature detect switch (TDS) fans with supply fan and giving vent to anger respectively and the signal input part of ventilation fan is connected.

Described phase change heat accumulator is fixedly mounted in heat collection water tank by storage heater support, described cool-heat-exchanger is fixedly mounted in heat collection water tank by support, is also provided with electric heating device, heater temperature sensor, heater temperature detect switch (TDS) and daily water consumption outlet pipe in described heat collection water tank.

In described control cabinet, be also provided with the timer controlling three-way diverter valve duty, the signal output part of described timer is connected with the signal input part of three-way diverter valve.

Described green house assembly also comprises shutter and insulation curtain sheet, and described room temperature booth is made up of booth steel frame column, canopy membrane bone frame and ceiling, and described insulation curtain sheet is arranged on described ceiling.

Airflow circulating system is the pith in whole heating operations, in heating process this system by supply fan from extracting air in booth, pass into the first feed channel, enter the cool-heat-exchanger in heat collection water tank, gas after heat exchange passes into the second feed channel again, finally the gas heated is exported in green house by fan of giving vent to anger, in scavenging period, system passes into the 3rd feed channel by ventilation fan from suction air booth, flow into the heat-transfer pipe of preheating chamber after the heating of tubular ceramic heating element, enter the submersible type cool-heat-exchanger of heat collection water tank, carry out secondary heat exchange, gas after heat exchange passes into the second feed channel, the gas heated is exported in green house by fan of giving vent to anger.

Also timer is provided with in control cabinet; The signal output part of timer is connected with the signal input part of three-way diverter valve, the duty of Timer Controlling three-way diverter valve; The positive signal output part of terminal port of three-way diverter valve is connected with the signal input part of supply fan; The signal output part of the bypass end port of three-way diverter valve is connected with the signal input part of ventilation fan; System in normal conditions, the positive terminal two side ends mouth of Intelligent three-way reversal valve is long open, the bypass end port of Intelligent three-way reversal valve is closed, during system works, every two hours transmission of signal is to three-way diverter valve by setting value for timer, and at this moment the positive terminal inlet end mouth of supply fan and three-way diverter valve is closed automatically, and bypass end port and ventilation fan are opened automatically, realize intelligent switching, system enters ventilation program.By the reading of timer setting, ventilation fan runs one hour and automatically cuts out, the bypass end port shutdown of three-way diverter valve simultaneously, the positive terminal inlet end mouth of three-way diverter valve is opened, open supply fan simultaneously, continue to recover circulation heating, such system completes once for the cycle period of warm ventilation, and the temperature of booth can be made to be tending towards constant temperature; The phase-transition heat-storage of choice for use solar energy heating water tank and booth air interchanger complete the ventilation in booth, mainly prevent from being brought in booth by the cold airflow outside booth in green house scavenging period, the constant temperature effect thus the confession affecting booth is warmed up.

Phase change heat accumulator is provided with in solar energy heating water tank inside.In phase change heat accumulator, be provided with phase transformation holding vessel, phase transformation holding vessel is built with phase change heat storage material is housed, and phase transformation holding vessel is fixed in phase change heat accumulator in order by stainless steel positioning strip; Described phase change heat accumulator system cylinder body structure, cylinder body both sides end plate is cellular board, and in two end plates, be uniformly distributed some mutually penetrating apertures.Alter the outer wall natural heating of the phase transformation holding vessel that stimulated the menstrual flow by aperture to water source when heat collection water tank water inlet or interpolation water at electronics water intaking valve.

When electronics water intaking valve is intake to heat collection water tank, by the phase transformation holding vessel release heat in phase change heat accumulator; The accumulation of heat when heat collection water tank fills hot water of described phase transformation holding vessel, the releasing heat when heat collection water tank adds cold water, like this in water inlet process when cold water source is peripheral by phase transformation holding vessel, through the exothermic effects of phase transformation holding vessel, keep water temperature summer at 38-40 degree when whole water tank changes water, winter, at about 25 degree, can improve the operating efficiency of solar energy heating water tank like this.

System is provided with preheating chamber in the side of solar energy heating water tank, is provided with metal heat transfer pipe in preheating chamber, is provided with tubular ceramic heating element at the outer wall of metal heat transfer pipe, and metal heat transfer tube and tube formula ceramic heating transversely parallel tendency; Tubular ceramic heating element heats in the periphery of metal heat transfer pipe; Under nominal situation, according to the setting of intelligence control system, the signal input part of ceramic heating is synchronous with the signal input part of ventilation fan; The duty of ceramic heating and the setting of critical heating-up temperature can be completed by the temperature sensor of green house.

Inside the wall of green house, be provided with control cabinet, in control cabinet, be provided with temperature sensor, temperature detect switch (TDS); The signal output part of temperature sensor is connected with the signal input part of temperature detect switch (TDS); Temperature detect switch (TDS) fans with supply fan and giving vent to anger respectively and the signal input part of ventilation fan is connected; Temperature detect switch (TDS) controls supply fan and the duty of fan of giving vent to anger, and when temperature sensor measurement goes out temperature in green house lower than a certain setting value, intellectuality opens supply fan and fan of giving vent to anger, and closes supply fan higher than a certain setting value intellectuality and gives vent to anger fan; Described temperature detect switch (TDS) can also adjust supply fan according to the temperature in green house and the rotating speed of fan of giving vent to anger in time.

Described phase transformation radiator wall system cuboid frame structure, framework is made by warming plate; Described phase transformation radiator is rearranged by some phase transformation radiator square tubes within the walls, described phase transformation radiator is hollow-core construction, described hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, when hot water is by complex heat transfer pipe, the phase-change material of hollow radiator inside is activated and steam raising produces high-temperature gas, by hollow radiator surface to heat loss through radiation in booth, thus reaches the object of heating.The described lower end at phase transformation radiator is also provided with a complex heat transfer pipe, one end of described complex heat transfer pipe is connected with the flow control valve of phase transformation radiator wall one end, the other end of described complex heat transfer pipe is connected with the circulating pump of the phase transformation radiator wall other end through the inner chamber of some phase transformation radiators, circulating pump connects one end of thermal source return pipe, and the other end of thermal source return pipe connects solar energy heating water tank.

System arranges supply fan in booth and fan of giving vent to anger mainly completes airflow circulating heating, when phase transformation at night radiator wall is in booth during heat loss through radiation, in order to prevent the air-flow in canopy from forming cold-zone and hot-zone, system also can according to the supply fan in the airflow circulating system in the temperature sensor startup booth in sunlight booth and fan of giving vent to anger.

The present invention is based on solar phase change heat accumulator Coupled Superconducting liquid radiator wall, water consumption greatly reduces, and makes solar energy heating water tank that booth heat radiation wall both can be provided to use, can meet again airflow circulating in booth and take a breath for warm by water circulation.

Beneficial effect

1, to possess heating effect good in the present invention, structure is simple, the advantages such as power consumption is little and pollution-free, especially constant temperature in booth can be kept at extreme and rainy weather, and the heating circulation of design and these two air circulation path of ventilation cycle, outside the heating function of the system of guarantee, also possesses the function of ventilation in booth.

2, air exchange system of the present invention is provided with preheating device, metal heat transfer pipe is provided with inside ventilation fan port, the outer wall of metal heat transfer pipe is provided with tubular ceramic heating element, tubular ceramic heating element heats in the periphery of metal heat transfer pipe, in scavenging period, when cold outdoor air is inhaled into ventilation fan port, after passing into the first heat exchange of metal heat transfer pipe, pass into the cool-heat-exchanger secondary heat exchange of heat collection water tank again, then by fan of giving vent to anger, thermal current is transported in booth through the second feed channel.Such system would not bring in booth the cold air of open air into affect booth heating effect in scavenging period.

3, the present invention forms heating system by phase change heat accumulator coupling air current circulation, also need not consume the extra energy in normal conditions.System is by the phase-transition heat-storage of solar energy heating water tank, thermal-arrest and heat release function, adopt air interchanger implement illumination strong time accumulation of heat and illumination weak time indoor temperature control, accumulation of heat air interchanger of the present invention compared to the prior art, have reasonable in design, cost of manufacture is low, working service is convenient, effectively can reduce the advantages such as the constant temperature in day and night temperature change and extreme weather booth, thus have good value for applications.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the cut-away view of solar energy heating water tank of the present invention;

Fig. 3 is the lateral plan of solar energy heating water tank of the present invention;

Fig. 4 is the front view of system phase change heat accumulator of the present invention;

Fig. 5 is the longitudinal sectional view of system phase change heat accumulator of the present invention;

Fig. 6 is the transverse sectional view of system ceramic heating of the present invention and metal heat transfer pipe;

Fig. 7 is the longitudinal sectional view of system ceramic heating of the present invention and metal heat transfer pipe.

In figure: solar energy heating water tank 1, heat collection water tank electronics water intaking valve 2, heat collection water tank water inlet pipe 3, electric heating device 4, heater temperature sensor 5, heater temperature detect switch (TDS) 6, vacuum heat collection pipe 7, daily water consumption outlet pipe 8, water level controller 9, phase change heat accumulator 10, phase transformation holding vessel 11, phase change heat accumulator support 12, supply fan 13, cool-heat-exchanger 14, first feed channel 15, exhaust fan 16, second feed channel 17, to give vent to anger fan 18, 3rd feed channel 19, ventilation fan 20, metal heat transfer pipe 21, ceramic heating 22, Intelligent three-way reversal valve 23, intelligent control box 24, greenhouse temperature sensor 25, booth temperature detect switch (TDS) 26, timer 27, cool-heat-exchanger support 28, heat collection water tank support 29, preheating chamber 30, booth steel column 31, canopy membrane bone frame 32, roc top 33, shutter 34, insulation curtain sheet 35, thermal source outlet pipe 36,

Electronics stop valve 37, flow control valve 38, phase transformation radiator wall 39, complex heat transfer pipe 40, circulating pump 41, phase transformation radiator 42, thermal source return pipe 43.

Embodiment

Below in conjunction with accompanying drawing, the present invention is further described:

As shown in Figure 1,2 and 3, a kind of constant temperature booth of solar phase change heat accumulator coupling air current circulation, comprises green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly; Described green house assembly comprises booth steel frame column 31, canopy membrane bone frame 32, ceiling 33, shutter 34, insulation curtain sheet 35; Solar energy phase transition heat accumulation assembly comprises solar energy heating water tank 1 and vacuum heat collection pipe 7, and heat collection water tank 1 is communicated with vacuum heat collection pipe 7; Heat collection water tank top is provided with water inlet pipe 3, water inlet pipe 3 is connected with electronics water intaking valve 2; Heat collection water tank 1 bottom is provided with daily water consumption outlet pipe 8; Filled with water heat collection water tank to be heated is fixedly mounted on tank bracket 29; In solar energy heating water tank 1, be provided with water level controller 9, the signal output part of water level controller 9 is connected with the signal input part of electronics water intaking valve 2; In solar energy heating water tank 1, be provided with phase change heat accumulator 10, be placed with phase transformation holding vessel 11 in phase change heat accumulator 10, phase transformation storage storage heater 10 is fixedly mounted in heat collection water tank by support 12; Heater temperature sensor 5, heater temperature detect switch (TDS) 6 and electric heating device 4 is also provided with in heat collection water tank; The signal output part of heater temperature sensor 5 is connected with the signal input part of heater temperature detect switch (TDS) 6; Heater temperature detect switch (TDS) 6 is connected with the signal input part of electric heating device 4; Heater temperature sensor 5 controls the duty of electric heating device 4.

Solar energy heating water tank 1 is connected with respectively thermal source outlet pipe 36 and return pipe 43, thermal source outlet pipe 36 is connected with phase transformation radiator wall 39 one end in booth by electronics stop valve 37, and thermal source return pipe 43 is connected with the other end of phase transformation radiator wall 39 by circulating pump 41.

Airflow circulating assembly comprises the submersible type cool-heat-exchanger 14 being arranged on heat collection water tank 1 inside, described submersible type cool-heat-exchanger is fixedly mounted in heat collection water tank by support 28, and submersible type cool-heat-exchanger 14 is provided with two ports; Be provided with preheating chamber 30 in the outer end, side of heat collection water tank 1, in preheating chamber 30, be provided with metal heat transfer pipe 21, at the outer wall of metal heat transfer pipe 21, tubular ceramic heating element 22 is housed; Three-way diverter valve 23 is provided with in the outer end of preheating chamber 30, the positive road port in side of three-way diverter valve 23 is connected with one end of the metal heat transfer pipe 21 in preheating chamber 30, the other end of metal heat transfer pipe 21 is connected with one end of submersible type cool-heat-exchanger 14, the other end of cool-heat-exchanger 14 connects one end of the second feed channel 17, and second feed channel 17 other end connects fan 18 of giving vent to anger; The positive terminal port of opposite side of three-way diverter valve connects one end of the first feed channel 15, and the other end of the first feed channel 15 connects supply fan 13; The bypass end port of three-way diverter valve is connected with one end of the 3rd feed channel 19, and the other end of the 3rd feed channel 19 connects ventilation fan 20.

Airflow circulating system is the pith in whole heating operations, in heating process, this system passes through supply fan 13 from extracting air in booth, pass into the first feed channel 15, enter the cool-heat-exchanger 14 in heat collection water tank 1, gas after heat exchange passes into the second feed channel 17 again, finally the gas heated is exported in green house by fan 18 of giving vent to anger, in scavenging period, system passes into the 3rd feed channel 19 by ventilation fan 20 from suction air booth, flow into the heat-transfer pipe of preheating chamber 30, after tubular ceramic heating element 22 heats, enter the submersible type cool-heat-exchanger 14 in heat collection water tank, carry out secondary heat exchange, gas after heat exchange passes into the second feed channel 17, the gas heated is exported in green house by fan 18 of giving vent to anger.

Heater temperature sensor 5, heater temperature detect switch (TDS) 6 and electric heating device 4 is provided with in heat collection water tank; The signal output part of heater temperature sensor 5 is connected with the signal input part of heater temperature detect switch (TDS) 6; The signal output part of heater temperature detect switch (TDS) 6 is connected with the signal input part of electric heating device 4.When running into extreme or rainy weather, when solar energy cannot provide enough heat heat supplies, the intelligent heat supply of electric heating device 4 can be passed through.

Water inlet pipe is connected on heat collection water tank by self water feeding electronic valve, is provided with water level controller 9 in heat collection water tank inwall upper end, and the signal output part of water level controller 9 is connected with the signal input part of self water feeding electronic valve.When the water yield in heat collection water tank is below or above a certain setting value, can self water feeding or stopping water supply.

As shown in Figure 1, in intelligent control box 24, be also provided with timer 27, the signal output part of timer 27 is connected with the signal input part of three-way diverter valve 23, and timer 27 controls the duty of three-way diverter valve 23; The signal output part of the positive terminal port of three-way diverter valve 23 is connected with the signal input part of supply fan 13; The signal output part of the bypass end port of three-way diverter valve is connected with the signal input part of ventilation fan 20; System in normal conditions, the positive terminal two side ends mouth of Intelligent three-way reversal valve 23 is long open, the bypass end port of Intelligent three-way reversal valve 23 is closed, during system works, every two hours transmission of signal is to three-way diverter valve 23 by setting value for timer 27, and at this moment the positive terminal inlet end mouth of supply fan 13 and three-way diverter valve 23 is closed automatically, and bypass end port and ventilation fan 20 are opened automatically, realize intelligent switching, system enters ventilation program.By the reading that timer 27 sets, ventilation fan 20 runs one hour and automatically cuts out, the bypass end port shutdown of three-way diverter valve 23 simultaneously, the positive terminal inlet end mouth of Intelligent three-way reversal valve 23 is opened, open supply fan 13 simultaneously, continue to recover circulation heating, such system completes once for the cycle period of warm ventilation, and the temperature of booth can be made to be tending towards constant temperature; The phase-transition heat-storage of choice for use solar energy heating water tank and booth air interchanger complete the ventilation in booth, mainly prevent from being brought in booth by the cold airflow outside booth in green house scavenging period, the constant temperature effect thus the confession affecting booth is warmed up.

As shown in Figure 4 and Figure 5, be provided with phase change heat accumulator 10 in solar energy heating water tank 1 inside, be provided with phase transformation holding vessel 11 in phase change heat accumulator, phase transformation holding vessel 11 is built with phase change heat storage material; Phase transformation holding vessel 11 is fixed in phase change heat accumulator 10 by stainless steel positioning strip in order; Phase change heat accumulator system cylinder body structure, cylinder body both sides end plate is cellular board, and in two end plates, be uniformly distributed some mutually penetrating apertures.The outer wall of altering by aperture the phase transformation holding vessel that stimulated the menstrual flow to water source when heat collection water tank water inlet or interpolation water at electronics water intaking valve is heated.

Arrange some phase transformation holding vessels 11 in phase change heat accumulator 10, phase transformation holding vessel is sealed type cylindrical shell; Phase transformation holding vessel 11 is built with the phase-change material paraffin of solid or liquid, and phase change heat accumulator 10 and phase transformation holding vessel 11 all adopt 304 stainless sheet steels to be made.When electronics water intaking valve 2 is intake to heat collection water tank, by the phase transformation holding vessel release heat in phase change heat accumulator; The accumulation of heat when heat collection water tank fills hot water of phase transformation holding vessel, the releasing heat when heat collection water tank adds cold water, like this in water inlet process when cold water source is peripheral by phase transformation holding vessel, through the exothermic effects of phase transformation holding vessel, keep water temperature summer at 38-40 degree when whole water tank changes water, winter, at about 25 degree, can improve the operating efficiency of solar energy heating water tank like this.

Also be provided with exhaust fan 16 in green house, exhaust fan 16 is arranged on booth wall top, and exhaust fan 16 is provided with inside and outside two ports, and inner port is towards in booth, plays getter action.External port, towards outside booth, plays scavenging action.Under system nominal situation, the open and close of exhaust fan 16 and ventilation fan 20 are synchronous.

Experimentally show sun glasshouse's booth by day, the solar radiation heat entering greenhouse often beyond greenhouse by various forms outwardly dispersed heat, at this moment greenhouse is in soaking condition, and sometimes because temperature is too high, what also very important person was releases a part of heat to adapt to the needs of plant growth.Solar energy greenhouse booth is at night, and when not having a solar radiation, greenhouse still can outwardly distribute heat, and at this moment greenhouse is in cooling state, in order to reduce heat radiation, therefore will add a cover heat-insulation layer 35 in outside, greenhouse night.

As shown in Figure 1,2 and 3, the inside of heat collection water tank is provided with cool-heat-exchanger 14; Preheating chamber 30 is provided with at heat collection water tank 1 one side end; Be provided with metal heat transfer pipe 21 in preheating chamber 30, at the outer wall of metal heat transfer pipe 21, tubular ceramic heating element 22 be installed; Three-way diverter valve 23 is provided with in the outer end of preheating chamber 30; Cool-heat-exchanger is provided with two ports; One end of cool-heat-exchanger is connected with one end of the metal heat transfer pipe of preheating chamber through heat collection water tank one side end panel, and the other end of metal heat transfer pipe 21 is connected with the positive terminal side port of three-way diverter valve 23 through a side end panel of preheating chamber 30; The positive terminal opposite side port of three-way diverter valve connects one end of the first feed channel 15, and the other end of the first feed channel 15 connects supply fan 13 port; The other end of cool-heat-exchanger 14 is connected with one end of the second feed channel 17 through the opposite side end plate of heat collection water tank 1, and the other end connection of the second feed channel 17 is given vent to anger fan 18; The bypass end port of Intelligent three-way reversal valve 23 connects one end of the 3rd feed channel 19, and the other end of the 3rd feed channel 19 connects ventilation fan 20; Supply fan 13 and fan 18 of giving vent to anger are installed in green house, and ventilation fan 20 port is arranged on a side end of solar energy heating water tank.

As shown in accompanying drawing 6, Fig. 7, in system, the side of solar energy heating water tank is provided with preheating chamber 30, metal heat transfer pipe 21 is provided with in preheating chamber 30, tubular ceramic heating element 22 is provided with at the outer wall of metal heat transfer pipe 21, and metal heat transfer pipe 21 and tubular ceramic heating element 22 transversely parallel tendency; Tubular ceramic heating element heats in the periphery of metal heat transfer pipe; Under nominal situation, according to the setting of intelligence control system, the signal input part of ceramic heating 22 is synchronous with the signal input part of ventilation fan 20; The duty of ceramic heating and the setting of critical heating-up temperature can be completed by the temperature sensor 25 of green house.

A complex heat transfer pipe 40 is also provided with in the lower end of phase transformation radiator 42, one end of complex heat transfer pipe 40 is connected with the flow control valve 38 of phase transformation radiator wall 39 one end, and the other end of complex heat transfer pipe 40 is connected with the circulating pump 41 of phase transformation radiator wall 39 other end through the inner chamber of phase transformation radiator.

Phase transformation radiator wall 39 is provided with in green house side, phase transformation radiator wall 39 is cuboid frame structure, framework is made by steelframe and warming plate, rearranged by some phase transformation radiator square tubes in phase transformation radiator wall 39, phase transformation radiator 42 is hollow-core construction, hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, when hot water is by complex heat transfer pipe 40, the phase-change material of hollow radiator 42 inside is activated and steam raising produces high-temperature gas, by hollow radiator 42 surface to heat loss through radiation in booth, thus reach the object of heating.

System in booth, arrange supply fan 13 and fan 18 of giving vent to anger mainly completes airflow circulating heating, when phase transformation at night radiator wall 39 dispels the heat in booth, in order to prevent the air-flow in canopy from forming cold-zone and hot-zone, system also can according to the supply fan in the airflow circulating system in the setting value startup booth of greenhouse temperature sensor 25 and fan of giving vent to anger.

In intelligent control box 24, be provided with greenhouse temperature sensor 25 be connected with temperature detect switch (TDS) 26, the duty of booth temperature detect switch (TDS) controlled circulation pump 41 and electronics stop valve 37, the input signal of circulating pump 41 and the input signal of electronics stop valve 37 are same, can open according to the variations in temperature in booth or close circulating pump and electronics stop valve in addition.The signal output part of booth temperature detect switch (TDS) 26 is connected with the signal input part of circulating pump 41 and electronics stop valve 37.

Inside the wall of green house, be provided with intelligent control box 24, in intelligent control box 24, be provided with temperature sensor 25 and temperature detect switch (TDS) 26; The signal output part of temperature sensor 25 is connected with the signal input part of temperature detect switch (TDS) in booth 26; Temperature detect switch (TDS) 26 is connected with the signal input part of supply fan 13 and give vent to anger fan 18 and ventilation fan 20 respectively; Temperature detect switch (TDS) 26 controls the duty of supply fan 13 and fan 18 of giving vent to anger, when temperature sensor 25 measures temperature in green house lower than a certain setting value, supply fan 13 and fan 18 of giving vent to anger are opened in intellectuality, close supply fan and fan of giving vent to anger higher than a certain setting value intellectuality; Temperature detect switch (TDS) 26 can also adjust the rotating speed of supply fan 13 and fan 18 of giving vent to anger in time according to the temperature in green house.

The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (6)

1. a green house for solar phase change heat accumulator coupling air current circulation, is characterized in that: comprise green house assembly, solar energy phase transition heat accumulation assembly, airflow circulating assembly and preheating chamber, the vacuum heat collection pipe (7) that described solar energy phase transition heat accumulation assembly comprises solar energy heating water tank (1) and is communicated with solar energy heating water tank (1), described heat collection water tank is provided with electronics water intaking valve (2), heat collection water tank water inlet pipe (3) and water level controller (9), phase change heat accumulator (10) and cool-heat-exchanger (14) is provided with in described heat collection water tank, phase transformation holding vessel (11) is set in described phase change heat accumulator (10), described phase transformation holding vessel (11) is sealed type cylindrical shell, at the phase-change material paraffin of described phase transformation holding vessel built with solid or liquid, described airflow circulating assembly comprises supply fan (13), first feed channel (15), three-way diverter valve (23), second feed channel (17), to give vent to anger fan (18), 3rd feed channel (19) and ventilation fan (20), three ports of described three-way diverter valve (23) respectively with described first feed channel (15), second feed channel (17) is connected with the 3rd feed channel (19), described supply fan is connected in the first feed channel (15), described fan (18) of giving vent to anger is connected on described second feed channel (17), described ventilation fan (20) is connected in described 3rd feed channel (19), in described preheating chamber (30), be provided with metal heat transfer pipe (21), be provided with the tubular ceramic heating element (22) worked asynchronously with described ventilation fan (20) at the outer wall of metal heat transfer pipe (21), described metal heat transfer pipe (21) and cool-heat-exchanger (14) are arranged in described the second feed channel (17), described supply fan (13) and fan (18) of giving vent to anger are installed in green house, in the wall inner top side of described green house, exhaust fan (16) is also installed, the air inlet end mouth of described exhaust fan (16) is towards in booth, the air outlet of exhaust fan (16) is towards outside booth, describedly in green house, be also provided with phase transformation radiator wall, described solar energy heating water tank (1) is connected with respectively thermal source outlet pipe (36) and thermal source return pipe (43), described thermal source outlet pipe (36) is connected with phase transformation radiator wall (39) one end in booth by an electronics stop valve (37), described thermal source return pipe (43) is connected by the other end of a circulating pump (41) with phase transformation radiator wall (39).
2. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described preheating chamber is arranged on a side end of described sun energy heat collection water tank (1), and described ventilation fan (20) is arranged on the lower end of the preheating chamber (30) of a side end of solar energy heating water tank (1); Inside the wall of described green house, be provided with control cabinet (24), in control cabinet (24), be provided with temperature sensor (25) and temperature detect switch (TDS) (26); The signal output part of described temperature sensor (25) is connected with the signal input part of temperature detect switch (TDS) (26); Described temperature detect switch (TDS) (26) is connected with supply fan (13) and the signal input part fanning (18) and ventilation fan (20) of giving vent to anger respectively.
3. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described phase change heat accumulator is fixedly mounted in heat collection water tank by storage heater support (12), described cool-heat-exchanger is fixedly mounted in heat collection water tank by support (28), is also provided with electric heating device (4), heater temperature sensor (5), heater temperature detect switch (TDS) (6) and daily water consumption outlet pipe (8) in described heat collection water tank.
4. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 2, it is characterized in that: in described control cabinet (24), be also provided with the timer (27) controlling three-way diverter valve (23) duty, the signal output part of described timer (27) is connected with the signal input part of three-way diverter valve (23).
5. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described green house assembly also comprises shutter and insulation curtain sheet, described green house is made up of booth steel frame column, canopy membrane bone frame and ceiling, and described insulation curtain sheet is arranged on described ceiling.
6. the green house of a kind of solar phase change heat accumulator coupling air current circulation according to claim 1, it is characterized in that: described phase transformation radiator wall (39) is rearranged by some phase transformation radiator square tubes, described phase transformation radiator (42) inside is hollow-core construction, described hollow radiator inner chamber is marked with phase-change material superconducting fluid, and this hollow-core construction is in sealed vacuum state, a complex heat transfer pipe (40) is also provided with in the lower end of phase transformation radiator (42), one end of described complex heat transfer pipe (40) is connected with the flow control valve (38) of phase transformation radiator wall (39) one end, the other end of described complex heat transfer pipe (40) is connected with the circulating pump (41) of the other end of phase transformation radiator wall (39) through the inner chamber of phase transformation radiator.
CN201410351378.6A 2014-07-22 2014-07-22 The green house of solar phase change heat accumulator coupling air current circulation CN104115706B (en)

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CN105123336B (en) * 2015-09-01 2017-06-23 徐州工业职业技术学院 Efficient circulation facility plastic greenhouse and animals and plants mixed cultivation method
CN105133887B (en) * 2015-09-01 2017-04-12 徐州工业职业技术学院 Efficient cycle comprehensive greenhouse and animal and plant mixed cultivation method
CN106718353B (en) * 2016-11-25 2019-08-23 西安交通大学 A kind of energy conservation phase transformation greenhouse
CN107079738B (en) * 2017-05-03 2019-06-04 重庆市永川区雪晶葡萄种植园 Wine-growing greenhouse
CN107047141A (en) * 2017-06-12 2017-08-18 兰州交通大学 One kind stores heat release, dehumidifying, ventilation and antibacterial type heliogreenhouse regulator control system

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