264 results about "Polytunnel" patented technology

The invention relates to a solar heat-collection energy-storage greenhouse, which comprises a greenhouse main body formed by a front wall, a rear wall, a gable wall, a steel bridge beam, a rear roof and a front roof, wherein the front roof is controlled by a curtain rolling machine. The invention is characterized in that the solar heat-collection energy-storage greenhouse additionally comprises a solar heat collector formed by a plurality of solar heat collecting tubes and a heat storage water tank, the solar heat collecting tubes are arranged at the top of the greenhouse main body through a support, the rear wall is formed by a plurality of energy-storage heat-preservation plates with sinuous coils in the internal part in a splicing way, the sinuous coils of adjacent energy-storage heat-preservation plates are connected in series to form a through tube, the water inlet and the water outlet of the through tube are respectively connected with the water outlet and the water inlet of the heat storage water tank through pipelines, and a water pump is connected on each pipeline. The prefabricated assembled solar heat-collection energy-storage greenhouse can be widely used in rural areas lacking for coal and electricity and can be used for planting vegetables and flowers, the energy is saved and the environment is protected, the heat preservation performance is good and the industrial standard of the fuel-free greenhouse is genuinely satisfied.

The invention belongs to the technical field of greenhouses and relates to a greenhouse utilizing heat of underwater to achieve heat preservation, in particular to a geothermal greenhouse. The geothermal greenhouse comprises a closed heat-preservation greenhouse body which adopts a combined frame structure. A wall body on one side of the greenhouse is a water curtain radiation wall which comprises a wall foundation and geothermal water curtain radiators, a wall body opposite to the water curtain radiation wall is a fan wall where a plurality of fans are arranged side by side, and the ground of the greenhouse adopts a floor heating system with built-in radiation pipes. The geothermal greenhouse fully utilizes heat of the underwater, is high in heat exchange efficiency, achieves environment-friendly and pollution-free heating, and has excellent environment-friendly effect.

The invention relates to greenhouse breeding equipment, in particular to a four-in-one breeding shed. The four-in-one breeding shed comprises a breeding chamber, a biogas digester, a greenhouse and a solar power generating device. The greenhouse comprises three supporting heat-preserving walls and one light-transmitting wall, a three-pinnacle texture type folding top cover is arranged on the top of the greenhouse, and the top cover is made of light-transmitting tempered glass or plastic heat-preserving films. Solar cell panels are arranged above the top cover and are connected with storage batteries. The high-efficiency three-dimensional breeding and growing provides job opportunities for people and lays an abundant material basis for methane fermentation, meanwhile, the worldwide problems of intermittent solar energy and regional and seasonal methane fermentation are solved, and the good effects of a virtuous material circle and multistage energy utilization are achieved.

The invention discloses a novel agricultural heliogreenhouse, and in particular relates to an integrated solar photothermal and photoelectric greenhouse. The main structure of the greenhouse comprises a thermal insulation rear wall, a solar vacuum pipe hot water wall, a novel curve greenhouse frame, east and west transparent thermal insulation side walls, a geothermal pipeline, a straw reactor, an integrated solar thermoelectric device, a curtain thermal insulation system, a dehumidification system and an auxiliary heating and light-supplementing system. The integrated solar photothermal and photoelectric greenhouse solves the problem that crops, such as vegetables and the like are difficult to grow in remote areas; through the solar vacuum pipe water wall and the integrated thermoelectric device, the temperature in the greenhouse is guaranteed and the crops inside the greenhouse can be ensured to grow normally without using other energy sources additionally; and the integrated solar photothermal and photoelectric greenhouse has the advantages of no pollution to environment, one-time investment and high output benefits.

The invention provides a cooling, heat storage and heat preserving system for a greenhouse. According to the cooling, heat storage and heat preserving system, the temperature of the greenhouse can be regulated, the heat loss can be reduced, and the problems of low ground temperature and poor heat preserving effect of the existing green are solved. Ethylene foaming plates are buried at the periphery of the greenhouse and are used for isolating the heat conduction of planting soil layers in and out of the greenhouse; an inner arch frame, a light-transmitting heat preserving film and a shading heat preserving quilt are additionally arranged in the greenhouse; the shading heat preserving quilt covers the heat preserving film at night, so that the heat preserving effect is improved. The hot air at the top of the green house is transferred into a V-shaped heat-insulating heat storage body underground for heat storage by a circulating system, and meanwhile, the low temperature of the heat storage body is also circulated to the interior of the greenhouse so as to cool the greenhouse. The V-shaped heat-insulating heat storage body is formed by covering the upper surface of an ethylene foaming plate which is paved in a V-shaped groove with plastic cloth for preventing moisture and preserving heat; the contact area between the upper part of the V-shaped heat-insulating heat storage body and the planting soil layer is large, the waste heat is transferred to the planting soil layer for improving a high ground temperature; the heat stored underground is circulated above the ground for heating at night; therefore, the problems of low ground temperature and poor heat preserving effect of the greenhouse are solved.

The invention discloses a soil stabilizer for a wall body building of a greenhouse, and a production method of the soil stabilizer. The production method comprises the following steps: preparing, producing and storing by using an enamel, galvanized, aluminum or plastic drum; dissolving 2.5 percent of hydroxypropyl methyl cellulose and 5 percent of polyacrylamide into 22.5 percent of water; standing the mixture for 2-4 hours to be fully dissolved to form a high-viscosity organic aqueous solution; adding 70 percent of water glass; and mixing and uniformly stirring the mixture for 60-200 r / min by adopting a stirrer to obtain the soil stabilizer. The prepared soil stabilizer has favorable water stabilization, durability and low-temperature freezing stability and can bear repeated unfreezing; the damage to a wall body caused by an unfreezing action under the condition of subzero 22DEG C is avoided; and the soil stabilizer is applied to the field of construction of aeolian sandy soil type winter-warmed greenhouse wall bodies and is wide in application range.

The invention discloses an intelligent and environment-friendly monitoring system which comprises a control module, a data collecting module and a trigger module. The control module is electrically connected with the data collecting module, the trigger module, an inverter, a data storage module, a wireless receiving and transmitting module and a display module; the data collecting module is used for collecting various parameters of a greenhouse; the trigger module is used for triggering various functional modules; the data storage module is used for storing data transmitted to the control module by the data collecting module; the wireless receiving and transmitting module is used for transmitting and receiving the data; the display module is used for displaying the data collected by the data collecting module; the data collecting module is electrically connected with a temperature sensor, a humidity sensor, an oxygen detecting device and an illuminance meter. According to the intelligent and environment-friendly monitoring system, power is supplied through solar energy, energy saving and environmental protecting are achieved, real-time monitoring is performed through the temperature sensor, the humidity sensor, the oxygen detecting device and the illuminance meter, the crop growth environment is intelligently regulated, and the system is suitable for popularization.

The invention provides a greenhouse for flower planting. The greenhouse provided by the invention has the beneficial effects that since temperature sensors, humidity sensors, condenser pipes and heating plates are arranged above vertical supports in each row, an intelligent controller can be used for starting cold air sources or the heating plates by analyzing data obtained by the temperature sensors and the humidity sensors, so that temperature in the greenhouse can be regulated; the humidity in the greenhouse can also be increased through the matching of the heating plates and the cold air sources or the matching of the heating plates and a watering device, so that the environment in the greenhouse is always kept in an optimal environment for flower growth; a test shows that flowers planted in the greenhouse are large in blooms, beautiful in color and long in fresh keeping period, and compared with the yield of flowers planted through the prior art, the yield at the same time is increased by 20 to 30 percent; water in a smashing shaft can be sprayed from water outlets after passing through flow guiding channels under the action of the smashing shaft in high-speed rotation, the dissolving degree of fertilizer can be further increased, and the quality of a fertilizer solution can be increased.

The invention relates to a wind-and-light-complementary-power-generation zero-discharge greenhouse system. The greenhouse system comprises a power generating system, an emergency system, an energy storage system, a power conversion system, a heat collecting system, a heating system, an air conditioning system and a greenhouse environment monitoring and intelligent control system. According to the greenhouse system, renewable clean sources of energy serve as a main energy source, self sufficiency is achieved, normal temperature for growth of plants in a greenhouse is guaranteed, no harmful pollutant is generated in a whole operation cycle while greenhouse temperature is guaranteed, and zero-discharge operation for the greenhouse all year around is achieved, so that the greenhouse system has the advantages of environment-friendliness and energy saving.

The invention discloses a wireless sensor node shell resistant to a high-temperature and high-humidity environment. A heat insulation and absorption means is used for enabling an internal circuit to work at a proper temperature, and therefore the working stability of a node is improved, and the service life of the node is prolonged. The node shell is divided into an inner layer and an outer layer; the outer layer is made of plastic low in heat conduction coefficient, the outer surface of the outer layer is coated with heat reflecting paint, and environment heat absorption is reduced as much as possible; the inner layer is a square heat storing box which is made of metallic aluminum high in heat conduction coefficient, the wall of the box is hollow and is provided with a cavity, the cavity is filled with phase-change heat absorbents with a proper melting point, internal produced working heat is absorbed, drying agents are placed in a clamped mode, and heat and humidity are absorbed. The temperature in the node is maintained at a specific value through the means of external blocking and internal absorbing, reliability and stability are higher, the phase-change heat absorbing mode is adopted, limited energy originally owned by the node cannot be consumed while the temperature is lowered and the humidity is removed, and the wireless sensor node shell is particularly suitable for high-temperature and high-humidity environments such as a greenhouse which has limited node energy.

The invention discloses a selenium-rich Huping jujube cultivation method. In the cultivation process, the temperature, humidity and illumination conditions in a greenhouse are controlled in real time, and adjusted in real time. The production technology that Huping jujube is cultivated by means of the sunlight greenhouse is actively explored, Huping jujube fruits mature and come into the market ahead of time, the defect that fruits are cracked in rainy season is overcome, and more importantly, economic benefits are improved due to the fact that the Huping jujube fruits come into the market ahead of time. The humidity, temperature and illumination information is judged by adopting a redundancy judging method, the precision is high for the control process of the greenhouse, and the control precision for the greenhouse is greatly improved.

The invention discloses a three-layer vegetable tunnel with a single heat preservation quilt. The vegetable tunnel comprises a tunnel bracket and a heat preservation film, wherein the upper portion of the tunnel bracket is covered with the heat preservation film. The tunnel bracket is fixed to stand columns through oblique supports. A fancy arching is arranged above the tunnel bracket. The fancy arching is provided with a movable supporting device. The upper portion of the movable supporting device is covered with a heat preservation film, and the heat preservation quilt is arranged on the upper portion of the heat preservation film. Two adjacent arching bodies in the middle of the fancy arching form an arching rail combination. The arching rail combination is provided with a rolling device. A simple arching is arranged in a tunnel body and covered with a manual rolling film. A snow scraping device is further arranged above the fancy arching. According to the vegetable tunnel, the construction area is small, cost is low, when the tunnel with the actual planting area being equal to the actual planting area of a solar vegetable greenhouse is constructed, the cost of the tunnel is only one half or slightly higher than one half that of the greenhouse, and the utilization rate of the tunnel is two times that of the greenhouse. Besides, the vegetable tunnel has the advantages of being safe, scientific, reliable, feasible and capable of saving labor.

The invention relates to a stereo cooling system used in a greenhouse. The system comprises a greenhouse. A plurality of circulation cooling devices are arranged in the greenhouse. The circulation cooling devices comprise a spraying system arranged on a top frame of the greenhouse, and honeycomb water spraying bodies arranged on a gable body of the greenhouse. The system is characterized in that: a ground collection tank and an underground water reservoir are arranged in the greenhouse. A spraying water inlet pipe connected with each spraying head is connected with the underground water reservoir. The underground water reservoir is connected to a cooling water supply pipe. The cooling water supply pipe is connected with the docking pipe of each honeycomb water spraying body. The underground water reservoir is also connected to a clean water collection tank which is connected to an irrigation water pipe of the greenhouse. According to the invention, an underground water storage system is arranged in the greenhouse. With the system, water resource is saved and fully utilized. The adopted stereo cooling system has a good cooling effect, such that the influence of high temperature upon plants is avoided, and crop yield and quality are improved.

The invention relates to the technical field of greenhouses and discloses a paving device for a special film of an intelligent agricultural industrial solar greenhouse. The paving device comprises a clamping machine. The clamping machine is fixedly connected to a film paving slot, the bottom in the clamping mechanism is fixedly connected to fixed slide rails, a clamping rod is movably connected ineach fixed slide rail, a clamping wheel is movably connected on each clamping rod, a mobile wheel is movably connected in the upper side of the clamping mechanism, a driven wheel is movably connectedto the upper side out of the clamping machine, and the top of the left side out of the clamping mechanism is fixedly connected to a nail slide rail. The greenhouse film is fixed to a constructed greenhouse framework, the clamping mechanism is then driven to move on the greenhouse framework under action of the mobile rod, and the greenhouse film is laid on the constructed greenhouse framework as afilm rolling wheel rotates, so that an effect of laying the greenhouse film on the greenhouse framework quickly is achieved, and the greenhouse constructing efficiency is improved.

The invention discloses a waterproof thermal insulated quilt used in light greenhouse booth, belonging to greenhouse booth thermal insulated technique. The invention is characterized in that preparing felt layer, preparing upper and lower thermal insulated layers and fixing the upper and lower thermal insulated layers to obtain a light greenhouse waterproof thermal insulated quilt formed by a waterproof membrane layer, a non-woven cloth layer, upper and lower felt sheets with a strength bar layer between, an air insulated layer, a lower felt sheet, a strength bar layer, an upper felt sheet, and a non-woven cloth layer. The invention can insulate water, seal and confirm transparence, and improve thermal insulation, with low cost, low weight, corrosion resistance, non-pollution and recycle property.

The invention relates to the field of agricultural greenhouses, and discloses an intelligent agricultural greenhouse which includes a greenhouse skeleton. The greenhouse skeleton is composed of a plurality of arch supporting rods, transverse supporting rods and a top beam supporting rod. A greenhouse film covers the outside of the greenhouse skeleton, a plurality of internal supporting rod fixed to the arc supporting rods are arranged in the greenhouse skeleton, positioning plates are fixedly installed on the two sides of the top of the top beam supporting rod, and two connecting-rotating shafts movably sleeve the positions between the tops of the two positioning plates. The two connecting-rotating shafts are located on the two sides of the positioning plates. According to the intelligentagricultural greenhouse, through the design of driving a reel to rotate by a drive motor inside a greenhouse body and pulling a winding wheel to rotate by a steel wire, sun-shading cloth can be conveniently unrolled to block the sun to reduce the light and collected to increase the light, the situation that the drive motor is damaged by corrosion and rust due to the influence of the external rainwater environment is avoided, and thus the later maintenance cost of the equipment is reduced.

The invention provides a ceramic solar heating heat-storing system for a greenhouse, and relates to the heating heat-storing system for the greenhouse and a ceramic solar heat-collecting system. Grooves are arranged along the surrounding edges in the ground in the greenhouse, and each groove is filled with a thermal-insulation board to reduce heat loss of soil in the greenhouse; and grooves are arranged in the ground in the greenhouse, and deep-layer and shallow-layer soil heating pipelines are buried. According to the system provided by the invention, a building is newly built or a part of greenhouses are transformed into the building with a one-side slope ceramic solar roof, the building is used for planting mushrooms and the like, hot water produced by the ceramic solar roof in spring,summer and autumn heats soil with a thickness of a plurality of meters to form heat storage, so that the greenhouse can maintain higher ground temperature throughout the year; hot water produced in winter heats surface-layer soil and air of the greenhouse; and the ceramic solar heating heat-storing system for the greenhouse has low construction costs, energy comes from the sun, so that the systemhas no environmental pollution, power of a water pump is very small, running costs are very low, and the greenhouse ground temperature, room temperature, crop yield and quality in spring, summer, autumn and winter are greatly improved.

The invention discloses a constant-temperature heating system of a solar greenhouse. The system comprises a solar heat collector assembly and a phase-change heat barrel heating assembly, wherein the solar heat collector assembly comprises a solar heat collector, and a heat medium output pipe and a condensate return pipe are arranged on the solar heat collector; the phase-change heat barrel heating assembly comprises a heat storage water tank, a circulating pump, a flow control valve, a phase-change heat barrel, an air blower and an air exhaust pipeline; the air blower is arranged at one end of the phase-change heat barrel, the other end of the phase-change heat barrel is connected with an air inlet end of the air exhaust pipeline, and an air guide plate is connected with an air outlet end of the air exhaust pipeline; the phase-change heat barrel comprises a casing and an inner barrel body arranged inside the casing, at least one metal heat transfer pipe is also arranged in the axial direction of the phase-change heat barrel, and one end of the at least one metal heat transfer pipe is connected with a heat source water outlet pipe. Compared with the prior art, the system has the characteristics of good heat-insulating and constant-temperature effect, capability of effectively reducing the day-and-night temperature difference in the greenhouse and the like, so that the system has the good popularization and usage value.

The invention relates to an all-weather efficient solar drying box and greenhouse, in particular to an all-weather efficient solar drying box used for a greenhouse and an all-weather efficient solar greenhouse adopting the drying box. The all-weather efficient solar drying box comprises a tunnel type casing mounted on a base, wherein a drying frame is arranged in the casing, a first air vent is formed in the upper part of the front part of the casing, a front door is mounted at a front end port of the casing, a fan corresponding to the front end port is arranged on the front side of the casing, a second air vent is formed in the upper part of the rear part of the casing, a control valve is arranged at the second air vent, a rear end port of the casing is closed by an air source heat pump, and an air outlet of the air source heat pump is communicated with the casing. According to the all-weather efficient solar greenhouse, at least one set of all-weather efficient solar drying box is longitudinally arranged in the drying chamber. All-weather use requirements are met, the drying effect is good, energy loss is low, the building cost of the greenhouse is low, and the economic benefit is good.

The invention discloses an ecological greenhouse capable of simulating the original ecological environment and used for phalaenopsis cultivation. The ecological greenhouse comprises a glass greenhousebody and planting pots, wherein a foundation is fixedly connected to the bottom of the inner wall of the glass greenhouse body; pipe burying holes are formed in the foundation; flow dividing pipes are fixedly connected to the interiors of the pipe burying holes; water injection pipes fixedly communicate with the tops of the flow dividing pipes; a connecting pipe fixedly communicate with the backsurfaces of the flow dividing pipes; a water pump is fixedly connected to the right end of the connecting pipe; cultivation grooves are fixedly connected to the positions, corresponding to the flow dividing pipes, of the top of the foundation; through holes are formed in the centers of the bottoms of the planting pots; connecting blocks are fixedly connected to the centers of the bottoms of the inner walls of the planting pots; connecting holes are formed in the centers of the connecting blocks; the tops of the water injection pipes penetrate through the bottoms of the cultivation grooves andextend into the through holes; and capillary hoses are fixedly connected to the interiors of the connecting holes. Automatic watering and fertilizing can be achieved, so that the working difficulty ofworkers is greatly reduced, and the workers can cultivate phalaenopsis conveniently.

The invention belongs to the technical field of snow removing equipment, and particularly relates to an automatic snow removing device for a greenhouse. The automatic snow removing device comprises asupport, wherein the outer side of the support is wrapped with a greenhouse film, snow removing assemblies are symmetrically arranged at two ends of the support, each snow removing assembly comprisesa side plate, a snow accumulating groove and a snow swinging mechanism, the side plates are fixedly connected with the support, the snow accumulating grooves are fixedly connected to the top of the greenhouse film through the side plates, the side plates remove accumulated snow covering the surface of the greenhouse film through the snow swinging mechanisms, and the snow accumulating grooves communicate with sprinkling irrigation assemblies through movable plates. The automatic snow removing device is arranged on the greenhouse, so that accumulated snow of the greenhouse can fall off through vibration in the snowfall period, the influence of the accumulated snow on the greenhouse is reduced, and especially in the areas with large snowfall such as northeast China and the like, the automaticsnow removing device can effectively avoid the phenomenon that the greenhouse collapses due to accumulated snow, and economic benefits of greenhouse planting are improved.

The invention discloses a solar photoelectric and photo-thermal integrated greenhouse, and relates to the technical field of greenhouses. The solar photoelectric and photo-thermal integrated greenhouse comprises a fixing plate, wherein a solar cell panel is fixedly connected to the inner wall of a placing groove, greenhouse heat preservation adjusting parts are mounted on annular plates, the two greenhouse heat preservation adjusting parts are symmetrical, the greenhouse heat preservation adjusting parts are connected with the fixing plate, and a greenhouse film supporting part is mounted at the bottom of the fixing plate. The greenhouse is reasonable in structure, by arranging the greenhouse heat preservation adjusting parts, when the temperature is too low, the interior of the greenhouse is always at the optimal temperature for plant growth through heating and heat preservation of the greenhouse heat preservation adjusting parts, when sunlight is sufficient, light can directly enter the greenhouse by shrinking the greenhouse heat preservation adjusting parts and plants can perform sufficient photosynthesis, and when the temperature in the greenhouse is too high, the bottom of the greenhouse is locally lifted up by adjusting the greenhouse film supporting part, so that the interior of the greenhouse is ventilated.

The invention relates to the technical field of greenhouses, and especially relates to a water circulation device for photovoltaic greenhouses. The water circulation device includes a greenhouse frameand a ceiling installed above the greenhouse frame; a water tank is installed at the bottom of a greenhouse; main water pipes and water-returning pipes are fixed on the greenhouse frame; water distribution pipes are connected between the main water pipes and the water-returning pipes; the water distribution pipes include multiple water spraying and distribution pipes; nozzles for spraying water in the greenhouse are installed on the water spraying and distribution pipes; a water curtain wall is installed on one end of the greenhouse; a top water pipe communicating with the main water pipes isinstalled on the water curtain wall of the greenhouse frame; the top water pipe is provided with spraying holes for spraying water to the water curtain wall; fans are installed opposite the water curtain wall of the greenhouse; flexible photovoltaic assemblies are installed on the ceiling of the greenhouse; the upper part of the ceiling is provided with a cleaning water pipe for spraying water tothe flexible photovoltaic assemblies; the cleaning water pipe communicates with the main water pipes; and the ceiling is provided with a water recycling structure. Thus, the problems of hard coolingof photovoltaic greenhouses and low water resource utilization rates during production can be made up.

The invention discloses a greenhouse temperature and humidity intelligent control method and system. The method comprises the steps: the current indoor and outdoor temperature difference of a target greenhouse is compared with a preset indoor temperature difference, a comparison result is acquired, the comparison result is uploaded to a preset server terminal, the indoor humidity of the target greenhouse is detected, the indoor dryness of the target greenhouse is calculated according to the indoor humidity and the indoor temperature, the indoor dryness is fed back to the preset server terminal, the preset server terminal is used for determining whether an external roller shutter or a ventilation opening needs to be adjusted or not and whether air needs to be humidified or not according to the comparison result and the indoor dryness, and when it is confirmed that the external roller shutter or the ventilation opening needs to be adjusted and the air needs to be humidified, a control device of the external roller shutter or the ventilation opening and an indoor air humidifying device of the target greenhouse are started to intelligently adjust the temperature and humidity. The temperature and humidity in the target greenhouse are intelligently controlled, manual adjustment is not needed, and the labor cost is saved.

The invention discloses a greenhouse detection and control system, and relates to the technical field of greenhouse control. The greenhouse detection and control system comprises a greenhouse, which is composed of glass and a stainless steel skeleton, wherein a plurality of planting areas are arranged in the greenhouse, a temperature adjusting system, a spraying system, an illumination intensity adjusting system, a carbon dioxide generation adjusting device, a networking monitoring system and an intelligent detection control adjusting system which are connected with a main controller are arranged in the greenhouse, a photosensitive sensor and an alarm prompting device are arranged on the roof of the greenhouse, a temperature sensor, an air humidity sensor, a carbon dioxide concentration sensor and an open fire and combustible gas sensor are arranged in the middle of the greenhouse, and a soil humidity sensor is arranged in the planting area. According to the invention, the air temperature, the air humidity, the illumination intensity, the carbon dioxide concentration and the acid-base property and the humidity of soil in a greenhouse are automatically controlled through intelligentequipment, the environment in the greenhouse can be controlled more easily through networking display of environment parameters, and the growth environment of plants is met.

The invention discloses an environmental protection type ecological greenhouse based on rainwater purification and comprehensive utilization. The environmental protection type ecological greenhouse based on rainwater purification and comprehensive utilization comprises a framework, a top plate frame and rainwater storage boxes, wherein a concrete enclosing wall is arranged under the framework; thetop plate frame is fixedly mounted at the top end of the framework; the rainwater storage boxes are arranged on the left side and the right side of the framework; a silver sand plate is arranged below each filter plate, and a connecting plate is arranged on the upper surface of the left end and the right end of any of each filter plate, each silver sand plate and each activated carbon plate; a conveying pipe is arranged at the bottom end of each rainwater storage box in a penetrating manner; and a water conveying mechanism is connected to an output end of each water pump. According to the environmental protection type ecological greenhouse based on rainwater purification and comprehensive utilization disclosed by the invention, through expanding and contracting of electric expanding and contracting rods, movable plates are rotated, then the top end of the greenhouse is opened, and sunshine can conveniently and directly radiate plants; and in the falling process of rainwater, rainwateris purified through treatment plates, so that the situation that contaminated rainwater is directly irrigated on the plants can be avoided, and the plants can be irrigated conveniently and uniformly.

The invention discloses a self-snow-removing type greenhouse structure which comprises a base, a supporting rod is welded to the upper end of the base, a greenhouse top plate is arranged at the upperend of the supporting rod, a first electromagnet is arranged at the upper end of the greenhouse top plate, and second electromagnets are arranged on the two side walls of the greenhouse top plate. Theopposite magnetic poles of the first electromagnet and the second electromagnet are opposite when the first electromagnet and the second electromagnet are powered on, a plurality of ejector rods arefixedly connected to the greenhouse top plate, the side walls of the ejector rods are rotationally connected with snow baffles through spring shafts, and the snow baffles are composed of silicon steelsheets. Current is generated through the thermoelectric power generation set and is converted into alternating current with the direction and the size changing continuously under the action of the inverter, so that the magnetic field between the first electromagnet and the second electromagnet changes continuously accordingly, the stress direction of each snow baffle changes continuously, and thesnow baffles can shake back and forth along the rotating axes of the snow baffles; therefore, accumulated snow covering the snow blocking plate can be shaken off, and damage of the accumulated snow to the greenhouse is avoided.