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447 results about "Solar greenhouse" patented technology

Intelligent environment prediction, regulation and control method for sunlight greenhouse

The invention provides a sunlight greenhouse intelligent environment prediction and regulation method comprising the following steps: collecting greenhouse data and meteorological data outside a greenhouse, combining to form a greenhouse environment data set, and carrying out data noise processing, screening, correlation analysis and normalization processing to obtain a prediction data set; constructing and training a greenhouse temperature and humidity prediction model comprising an input layer, a convolutional neural network layer and a gating circulation unit neural network layer; inputting the prediction data set into a greenhouse temperature and humidity prediction model, and training, verifying and adjusting hyper-parameters of the greenhouse temperature and humidity prediction model to obtain a greenhouse temperature and humidity prediction result; and constructing a greenhouse environment control module, and adjusting the greenhouse environment based on the optimal temperature and humidity information of crop growth and the greenhouse temperature and humidity prediction result. According to the intelligent prediction and control method, the greenhouse control precision and management efficiency can be remarkably improved, modernized and intelligent development of agricultural production is achieved, crop growth is promoted, and losses caused by extreme weather are reduced.
Owner:DALIAN UNIV OF TECH

Multi-target sunlight greenhouse ventilation decision-making method and device, electronic equipment and storage medium

ActiveCN119126889AImprove ventilation decision-making efficiencyReduce ventilation energy consumptionSimultaneous control of multiple variablesSimulationBiology
The invention provides a multi-target sunlight greenhouse ventilation decision-making method and device, electronic equipment and a storage medium. The multi-target sunlight greenhouse ventilation decision-making method comprises the steps that real-time environment information inside and outside a greenhouse is obtained, and greenhouse ventilation feature vectors are determined; generating a preliminary ventilation decision strategy according to the greenhouse ventilation feature vector; performing multi-objective optimization on the preliminary ventilation decision strategy; and dynamically adjusting an optimal ventilation decision strategy to automatically adapt to meteorological changes inside and outside the greenhouse and growth stages of crops. According to the multi-target sunlight greenhouse ventilation decision-making method provided by the invention, technologies such as a multi-sensor fusion technology, a multi-mode variational auto-encoder algorithm, a soft behavior cloning algorithm, a meta-learning technology, a multi-target particle swarm optimization algorithm, a multi-target co-evolution algorithm, a multi-agent system and a transfer learning technology of reinforcement learning are comprehensively utilized; the greenhouse ventilation decision-making efficiency can be effectively improved, greenhouse ventilation energy consumption is reduced, and intelligent control over the temperature in the greenhouse and the growth quality of crops are improved.
Owner:INTELLIGENT EQUIPMENT RESEARCH CENTER BEIJING ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES

Sunlight greenhouse suitable for mechanical cultivation of vegetables

A sunlight greenhouse suitable for mechanical cultivation of vegetables relates to the technical field of vegetable cultivation and comprises a sunken cultivation bed, a front roof and a rear wall, a rear slope is obliquely arranged at the top of the rear wall, cultivation ridges are arranged on the cultivation bed in the east-west direction, and a vine hanging steel wire is arranged over each cultivation ridge; and an included angle A between a virtual connecting line between the upper edge of the rear slope and the upper edge of the front vertical surface of the cultivation bed and the ground plane is a geographic latitude of-10.5 degrees of the greenhouse. According to the method, the problems that in east-west cultivation ridges in the prior art, due to shielding between canopies, illumination distribution in the ridges and between the ridges is uneven, illumination of leaves on the south side and the north side of plants on the same ridge is uneven, and the light intensity of the north side is generally weaker than that of the south side; the illumination distribution among different ridges is not uniform, and the light intensity of the north ridge is relatively weak.
Owner:SHANDONG SHOUGUANG VEGETABLE IND GRP +1

Solar greenhouse vegetable production process optimization method

The invention discloses a solar greenhouse vegetable production process optimization method, and relates to the field of facility agriculture, and the method comprises the steps: determining the influence potential values of a plurality of environmental influence types in a solar greenhouse vegetable production process through employing a life cycle evaluation method; obtaining the carbon sink amount of the sunlight greenhouse vegetables; determining a solar greenhouse vegetable production process optimization scheme according to the influence potential values of the plurality of environmental influence types and the carbon sink amount of the solar greenhouse vegetables; and optimizing the production process of the sunlight greenhouse vegetables according to the optimization scheme of the production process of the sunlight greenhouse vegetables so as to reduce the influence of the production of the sunlight greenhouse vegetables on the environment. According to the method, the influence on the environment in the solar greenhouse vegetable production process is quantified by using the life cycle evaluation method, the accurate solar greenhouse vegetable production process optimization scheme is formulated in combination with the carbon sink amount of the solar greenhouse vegetables, and the influence on the environment by solar greenhouse vegetable production is reduced by optimizing the solar greenhouse vegetable production process.
Owner:SICHUAN AGRI UNIV

5G-based solar greenhouse heat preservation quilt limiting control and greenhouse intelligent control method

The invention relates to the technical field of greenhouse environment control, and discloses a solar greenhouse heat preservation quilt limiting control which comprises limiting assemblies installed on the two sides of a greenhouse in parallel and used for driving a heat preservation quilt shaft to be wound and unwound and covering ventilation openings formed in the two sides of the greenhouse; the limiting assembly comprises vertical rods, the multiple vertical rods are installed on the equidistant ground on the two sides of the greenhouse and used for being connected with displacement rods in a hinged mode, and tilt angle sensors are installed on one sides of the displacement rods, located on the sides, connected with the vertical rods, of the displacement rods and used for collecting tilt angle amplitude data after the displacement rods stretch out. Through integration of an intelligent control system and various sensors, highly automatic control of greenhouse facilities is achieved, the system can monitor environmental data in real time and automatically adjust heat preservation quilts, ventilation, light supplement and irrigation equipment, and it is ensured that the internal conditions of the greenhouse are always in the optimal state.
Owner:AGRI BIOTECHNOLOGY RES CENT OF NINGXIA ACAD OF AGRI & FORESTRY SCI (NINGXIA KEY LAB OF AGRI BIOTECHNOLOGY) +2

Solar greenhouse system for solar long-term soil-hydrated salt heat storage and supply

The utility model relates to the technical field of solar greenhouse energy conservation, in particular to a solar long-term soil-hydrated salt heat storage and supply solar greenhouse system which comprises a greenhouse, a solar heat collection circulating unit, a soil-hydrated salt heat storage and supply unit and an automatic control unit. According to the system, solar heat collection and soil-hydrated salt composite heat storage and supply technologies are innovatively combined, and seasonal effective storage and utilization of solar energy are achieved. In the non-heating season with rich solar energy, the system efficiently collects solar energy through the heat collector and converts the solar energy into heat energy, and then heat energy is stored through the soil-hydrated salt mixed material and the high heat storage performance and excellent heat stability of soil. In the heating season, the stored heat energy is released to the greenhouse, and a stable heat source is provided for crop growth. The system has the advantages of being high in energy efficiency, environmentally friendly, sustainable and the like, is suitable for sunlight greenhouses under various weather conditions, and has important significance in promoting green agriculture and renewable energy source application.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Intelligent water precise irrigation control system and method for cultivation of fruit vegetables in solar greenhouses

The present disclosure relates to an intelligent water precise irrigation control system and method for cultivation of fruit vegetables in solar greenhouses. The system includes: an information acquisition module for acquiring information by means of sensors, the acquired information including at least one of soil information, ground environment information, irrigation device use process information, and crop information; a water demand prediction module for inputting the acquired information into a deep neural network to predict water demand of fruit vegetables; and an irrigation control module for forming a control instruction according to the predicted water demand, so as to irrigate periodically and quantitatively. In this way, irrigation time and irrigation amount can be decided automatically according to growth conditions and environmental parameters in the whole process. Intelligent irrigation can be achieved with high working efficiency and accuracy, and the water-saving, quality-improved and efficiency-improved production of fruit vegetables can be achieved.
Owner:INSTITUTE OF VEGETABLES & FLOWERS CHINESE ACADEMY OF AGRICULTURAL SCIENCES

Movable open-type sunlight greenhouse driving device

The utility model provides a driving device for a movable open-type sunlight greenhouse, which is a driving device for the operation of a heat-insulating material of the movable open-type sunlight greenhouse, and the sunlight greenhouse is changed from an original fixed heat-insulating material roller shutter type to a movable heat-insulating material open type, so that the driving mode of the sunlight greenhouse is different from the original mode. The driving assembly drives the traction steel wire rope to reciprocate on the steel wire rope supporting piece and the steering piece, the traction steel wire rope is connected with the heat preservation material, and the traction steel wire rope moves to drive the whole heat preservation material to operate, covers a front slope of the greenhouse during heat preservation and moves to a rear support of the greenhouse during lighting. The driving device drives the opening and closing of the greenhouse thermal insulation material to achieve the purposes of thermal insulation and lighting.
Owner:LIAONING XINQITE AGRI TECH CO LTD

Flexible solar greenhouse temperature control method, system and device and storage medium

The invention discloses a flexible sunlight greenhouse temperature control method, system and device and a storage medium, and relates to the technical field of greenhouse environment, the method comprises the following steps: calling a heat transfer model to carry out temperature field simulation calculation according to greenhouse internal thermal field distribution data to obtain a first predicted temperature value; calling a greenhouse temperature prediction model to perform time sequence analysis on the external environment temperature historical time sequence data to obtain a second predicted temperature value; performing data fusion according to the first predicted temperature value and the second predicted temperature value to obtain a comprehensive predicted temperature value; and according to a deviation value between the comprehensive prediction temperature value and a preset greenhouse air temperature target value, adjusting operation parameters of the greenhouse equipment. By simulating thermal field distribution in a greenhouse and processing time sequence data of an external environment, a deterministic rule and random fluctuation are covered, a deviation value with a target value is calculated according to an obtained comprehensive prediction value, and equipment is dynamically adjusted based on prediction deviation, so that ineffective energy consumption and equipment loss are reduced.
Owner:BEIJING AGRI TECH PROMOTION STATION

Multi-source heat storage type flexible sunlight greenhouse air temperature prediction method and device

The invention relates to the technical field of greenhouse temperature prediction control, in particular to a multi-source heat storage type flexible sunlight greenhouse temperature prediction method and device, and the method comprises the steps: building a heat transfer model through a nonlinear finite element method and a multi-scale coordination method; establishing a machine learning model by using a multi-scale convolutional neural network and a spatial-temporal feature extraction method; optimizing the machine learning model by using a Gaussian mixture model and an adaptive weight generation method; visualizing the optimized machine learning model by using a gradient weighted class activation mapping and back propagation visualization optimization method to obtain a visualized machine learning model; and generating a greenhouse temperature prediction model based on the heat transfer model and the visualized machine learning model so as to predict and control the greenhouse temperature. The greenhouse temperature prediction efficiency and accuracy are effectively improved by combining the advantages of a heat transfer model and a machine learning model and utilizing multi-scale coordination, spatial-temporal feature extraction, adaptive weight generation and visual optimization.
Owner:INTELLIGENT EQUIPMENT RESEARCH CENTER BEIJING ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES

Heat preservation quilt reel locking device for sunlight greenhouse

The utility model provides a heat preservation quilt reel locking device for a sunlight greenhouse, which relates to the technical field of greenhouses and comprises a locking mechanism and a control mechanism. A fixing base of the locking mechanism is fixed to the ground, a fixing piece, a first baffle and a second baffle are fixed to the fixing base, a gear is arranged in the fixing piece, a driving motor is fixed to the outer side of the fixing piece, and the driving end penetrates through the fixing piece to be in driving connection with the gear. One end of the lock rod is provided with insection and is connected with the gear in a meshed mode, locking holes are formed in the first baffle and the second baffle, and when the driving motor drives the gear to rotate, the other end of the lock rod is driven to penetrate through the locking holes in the second baffle and the first baffle. The heat preservation quilt reel is locked and fixed in a closed area formed by the fixed base, the first baffle, the second baffle and the lock rod; the control mechanism is used for controlling the locking mechanism to lock and fix the heat preservation quilt reel. According to the scheme, the heat preservation quilt winding shaft can be locked and fixed, and adverse effects caused by violent swinging of the heat preservation quilt are avoided.
Owner:宁夏回族自治区园艺技术推广站 +1

Solar greenhouse microalgae fertilizer in-situ culture device and application system

The invention discloses a sunlight greenhouse microalgae fertilizer in-situ culture device and an application system, and belongs to the field of microalgae fertilizer in-situ application, the device comprises a wall body, the upper part of the wall body is fixedly connected with a storage box, the wall surface of the wall body is provided with an S-shaped pipeline, one end of the S-shaped pipeline is communicated with the storage box, and the other end of the S-shaped pipeline is communicated with the application system; a return pipe is communicated between the other end of the S-shaped pipeline and the storage box through a shunt pipe; the flow dividing pipe is communicated with a plurality of branch pipes, the plurality of branch pipes are communicated with the S-shaped pipeline, electromagnetic three-way valves are arranged at the joints of the branch pipes and the S-shaped pipeline, and the plurality of electromagnetic three-way valves run from morning to evening along with time, so that the flowing distance of the algae liquid in the storage box in the S-shaped pipeline is gradually shortened; according to the device, the S-shaped pipeline and the electromagnetic three-way valve are matched for use, so that the flowing path of chlorella liquid in the S-shaped pipeline is adjusted according to the sunlight intensity, and the light receiving time and the light receiving area of chlorella are controlled.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES) +1

Heat storage capacity intelligent control method for assembly type sunlight greenhouse

The invention relates to the field of sunlight greenhouse control, in particular to a heat storage capacity intelligent control method for an assembly type sunlight greenhouse. The method comprises the following steps: acquiring a multi-dimensional environmental parameter vector sequence and an initial PID parameter value of a crop; obtaining an environment parameter fluctuation factor, a crop growth stage factor and a long-term environment trend factor according to the multi-dimensional environment parameter vector sequence, and obtaining a target clustering number and a clustering cluster; obtaining a target clustering cluster according to the distance between the new multi-dimensional environment parameter vector and the cluster center of the clustering cluster; and calculating a PID parameter adjustment factor according to the distance between the new multi-dimensional environment parameter vector and the cluster center of the target cluster and the internal and external temperature difference, obtaining a final PID parameter according to the PID parameter adjustment factor and the initial PID parameter value, and performing real-time control on the heat storage amount of the greenhouse environment where the crops are located. According to the method, selection of the K value in clustering is optimized, so that the K value can adaptively respond to changes of environment and crop growth requirements.
Owner:SHANDONG ACADEMY OF AGRICULTURAL SCIENCES +1

Solar greenhouse structure based on self-insulation material and construction method

The invention provides a sunlight greenhouse structure based on a self-heat-preservation material and a construction method. The sunlight greenhouse structure comprises a sunlight room, a greenhouse is arranged in the sunlight room, a photovoltaic power generation system is arranged on the sunlight room, and a ventilation system is arranged between the greenhouse and the sunlight room; a front wall, a rear wall and side walls on the periphery of the greenhouse are formed by pouring composite wall bodies in a layered mode, a concrete core wall is arranged inside the composite wall bodies, heat preservation walls are arranged on the inner side and the outer side of the composite wall bodies, a double-layer framework is arranged on the top of the greenhouse, a film covers the upper-layer framework, the periphery of the film is tightened and fixed to the wall bodies, and a quilt rolling machine and rolled cotton quilts are arranged on the lower-layer framework. The cotton quilt covers the lower-layer framework; and a heat storage device is arranged on a rear wall directly irradiated by sunlight in the greenhouse. By means of the composite wall body and the multi-point fixing design, the structural stability and the excellent heat preservation performance of the greenhouse are guaranteed. Modularized construction and multi-point fixing design enable construction to be convenient and fast and maintenance to be simple. Environment-friendly materials and an intelligent control system are adopted, so that energy consumption is reduced, economic benefits are improved, and sustainable development is promoted.
Owner:HULUNBUIR UNIV

Method for raising seedlings of angelica sinensis in winter in sunlight greenhouse

The invention provides a sunlight greenhouse winter seedling raising method for angelica sinensis. The Chinese angelica sunlight greenhouse winter seedling raising method comprises the steps that a sunlight greenhouse is built in an area with the altitude being 2000 m or below, the azimuth angle of the sunlight greenhouse is 5-7 degrees from the south to the west, the base angle of a front roof is 60-65 degrees, the elevation angle of a main lighting surface is 22-25 degrees, and the elevation angle of a back slope is 37-38 degrees; the method comprises the following steps: sowing angelica sinensis seeds in a greenhouse from late November to early and middle December, wherein the seeds comprise early bolting seeds, side ear seeds or main ear seeds; the environment in the greenhouse is controlled, the temperature in the coldest month is not lower than 12 DEG C, the ground temperature is not lower than 10 DEG C, and vernalization of the angelica sinensis seedlings is avoided; managing the seedlings, including water management, sunlight management, temperature regulation and control, weeding and thinning, and disease and pest control. The Chinese angelica sunlight greenhouse winter seedling raising method provided by the invention has the advantages that Chinese angelica seedling raising is carried out in a zone with the altitude of 2000m or below, and the problem that the ecological environment is damaged by Chinese angelica early bolting, Chinese angelica seed reserving, Chinese angelica prepared land seedling raising and Chinese angelica high-altitude seedling raising can be solved.
Owner:康乐县特色农业发展中心

Light-temperature efficient sunlight greenhouse suitable for mechanization

A light-temperature efficient sunlight greenhouse suitable for mechanization relates to the technical field of vegetable cultivation and comprises a rear wall, a gable wall, a front roof and a cultivation bed, and a plurality of V-shaped cultivation ditches are arranged in the cultivation bed side by side; the rear wall comprises an obliquely-arranged rear heat preservation wall, and a rear stand column and a front stand column which are located on the two sides of the rear heat preservation wall respectively. The solar greenhouse solves the problems that in the prior art, a solar greenhouse with a thin wall made of heat preservation materials is insufficient in heat storage and cannot meet the requirement for maintaining the proper temperature; and the problems of insufficient cultivation row number and low land utilization rate caused by difficulty in coordination and consistency of the cultivation row number and the greenhouse width of the existing sunlight greenhouse suitable for mechanization are solved.
Owner:SHANDONG SHOUGUANG VEGETABLE IND GRP +2

Electric heating film heating control system for overwintering production of sunlight greenhouse

The invention discloses a solar greenhouse overwintering production electrothermal film heating control system, and relates to the technical field of greenhouse environment control, and the system comprises a crop distribution monitoring module which is used for collecting the position distribution condition of crops in a greenhouse and determining the temperature required by the growth of different crops; the region division module is used for dividing the interior of the greenhouse into different regions in a matrix region mode according to the shape and the area of the greenhouse; the data acquisition module is used for acquiring and preprocessing first environment information after the region division module divides the interior of the greenhouse into different regions, and the first environment information at least comprises room temperature data; after power regulation and control are completed, the room temperature of each region is continuously monitored through the data monitoring module, so that whether the self-adaptive auxiliary module is controlled to start working or not is determined, the region with the higher temperature is cooled, the region with the lower temperature is heated, and crops are made to be at the proper growth temperature.
Owner:INNER MONGOLIA AUTONOMOUS REGION ACAD OF AGRI & ANIMAL HUSBANDRY SCI +1

Solar heat storage assembly and sunlight greenhouse applying same

The solar heat storage assembly comprises a solar heat collector, a heat storage water tank and a plurality of water tanks. The hot water storage tank comprises two water inlets and two water outlets, the hot water storage tank comprises two water inlets and two water outlets, the two water inlets are connected with the water outlet end of the solar heat collector and the water inlet pipe respectively, and the two water outlets are connected with the water outlet end of the solar heat collector and the water outlet pipe respectively. The two water outlets are respectively connected with a water inlet end of the solar heat collector and a water outlet pipe; a first circulating pump is arranged on a pipeline between the water inlet end and the water outlet, and the water outlet pipe is communicated with a second circulating pump and located between the hot water storage tank and the first water tank. Firstly, the design can be applied to a steel frame type greenhouse, sufficient temperature can be absorbed through the solar heat collector in the daytime to heat water in the greenhouse, the heated water can be conveyed into the multiple water tanks, the water in the water tanks can be heated through the heat exchange coil pipes in the water tanks, and the heat storage and heat preservation capacity of the greenhouse is improved.
Owner:SHANDONG HEJIAFENG MODERN AGRI CO LTD

Floor heating type sunlight greenhouse

The utility model provides a floor heating type sunlight greenhouse, which relates to the technical field of agricultural greenhouses and comprises a greenhouse body, a gas-liquid heat exchange device, a heat-conducting liquid storage tank and a liquid pipeline. The liquid pipeline is uniformly buried below soil in the greenhouse body, the gas-liquid heat exchange device and the heat-conducting liquid storage tank are both arranged in the greenhouse body, heat-conducting liquid is stored in the heat-conducting liquid storage tank, the inlet end of the heat-conducting liquid storage tank is communicated with the backflow end of the liquid pipeline, and the outlet end of the heat-conducting liquid storage tank is communicated with the liquid inlet end of the gas-liquid heat exchange device; the liquid outlet end of the gas-liquid heat exchange device communicates with the inflow end of the liquid pipeline and is used for sucking air in the greenhouse body, so that heat exchange is conducted between the air and the heat conduction liquid, and heat is stored in soil through the liquid pipeline. According to the scheme, the temperature in the sunlight greenhouse can be kept relatively constant in a mode of storing heat in the soil, and then a good growth and development environment is provided for plants.
Owner:NINGXIA PUTIAN RUINONG AGRI CO LTD

Suspension guide rail type roller shutter device for sunlight greenhouse

The utility model relates to the technical field of machinery for sunlight greenhouses, in particular to a roller shutter device for a suspended guide rail type sunlight greenhouse, which is characterized in that a driving mechanism drives a reel to roll up a heat preservation quilt through transmission of a transmission assembly, and the heat preservation quilt is pulled to move upwards along a bearing guide rail; in the process, gravity loads of the reel and the wound heat preservation quilt are all borne by the bearing guide rail, the lifting mechanism provides upward pulling force to lift the reel and the wound heat preservation quilt, and the situation that the gravity loads of the reel and the wound heat preservation quilt directly act on a steel frame of the sunlight greenhouse is avoided. The height adjusting mechanism can adjust the distance between the center of the reel and the greenhouse film; in this way, the situation that the steel frame deforms and even crushes the sunlight greenhouse due to the fact that the reel and the wound heat preservation quilt press the steel frame of the sunlight greenhouse is effectively avoided, and the device can adapt to heat preservation quilts with different thicknesses.
Owner:NINGXIA PUTIAN RUINONG AGRI CO LTD

Daylight greenhouse dehumidification equipment

The utility model belongs to the field of dehumidification, particularly relates to sunlight greenhouse dehumidification equipment, and aims to solve the problems that the temperature in a greenhouse can be reduced, the air blowing angle of a fan is fixed and the dehumidification effect is poor due to the fact that internal air and external air are communicated in the prior art, the sunlight greenhouse dehumidification equipment comprises a blowing fan, fixing plates are arranged on the two sides of the blowing fan, and the fixing plates are arranged on the two sides of the blowing fan. The blowing fan can be installed on the top of the greenhouse through the fixing plate, a three-way pipe is arranged above the blowing fan, one side of the three-way pipe is fixedly connected with a connecting pipe, and moisture can be guided through the connecting pipe. The swing assemblies are installed on the two sides of the blowing fan, and the blowing fan can be driven by the swing assemblies to act to swing and blow air; the sunlight greenhouse dehumidification device has the advantages of being efficient in dehumidification, flexible in guiding, capable of recycling moisture, stable in structure, capable of improving the growth environment of crops and the like, and provides powerful technical support for development of greenhouse agriculture.
Owner:NORTHWEST A & F UNIV

Greenhouse film sand and dust removing device

The utility model discloses a sand and dust removing device for a greenhouse film. The sand and dust removing device comprises a first connecting piece, a second connecting piece, a spraying pipe and a supporting piece. The spraying pipe is used for spraying the upper surface of the greenhouse film; the greenhouse film covers the top surface of the greenhouse; a roller shutter machine running track is arranged above the greenhouse film; a curtain rolling machine is arranged on the curtain rolling machine running track; a roller shutter machine reel is arranged on the roller shutter machine; rolling quilts are respectively wound at the front and rear ends of the rolling shaft of the curtain rolling machine; the front end and the rear end of the roller shutter machine reel are respectively connected with the front end and the rear end of the first connecting piece through a second connecting piece; a plurality of hollow supporting pieces are arranged at the top of the first connecting piece; a spraying pipe longitudinally penetrates through the inner sides of the plurality of supporting pieces; the front end and the rear end of the side, facing the rolled quilt, of each supporting piece are each provided with a roller support. And each roller bracket is pivoted with a supporting piece roller. The dust removing device can conveniently and reliably remove dust accumulated on the upper surface of the greenhouse film, the dust removing function of the sunlight greenhouse is achieved, and the good daylighting rate of the sunlight greenhouse is guaranteed.
Owner:TIANJIN UNIV OF SCI & TECH +1

Method for promoting cultivation of paeonia lactiflora by utilizing natural low-temperature dormancy breaking

The invention relates to the field of Chinese herbaceous peony cultivation, and discloses a method for promoting Chinese herbaceous peony cultivation by utilizing natural low-temperature dormancy breaking, which comprises the following steps: planting Chinese herbaceous peony in a sunlight greenhouse in autumn, and harvesting for many years after one-time planting; performing sleep breaking treatment on the Chinese herbaceous peony by using natural low temperature in autumn and winter under the assistance of a cooling mode of covering a heat-preservation shading cotton quilt in the daytime, removing the cotton quilt at night and ventilating, and performing natural low-temperature sleep breaking treatment for 45-70 days according to the cold demand of different varieties without supplementing water during the period; after dormancy breaking, solar radiation is used for natural temperature rise, the day and night temperature is regulated and controlled through ventilation and heat preservation measures, manual light supplement is not needed in the whole process, and growth period management is assisted. The illumination is blocked by covering a high-shading-rate cotton quilt in the daytime, the cotton quilt is removed at night, ventilation and cooling are conducted, and the surface temperature is controlled to be smaller than or equal to 7.5 DEG C, so that the Chinese herbaceous peony naturally accumulates the required cooling capacity in the open environment, refrigeration house equipment and an artificial low-temperature environment do not need to be relied on, energy consumption and facility cost are greatly reduced, and the green and environment-friendly concept is met.
Owner:INST OF FRUIT & FLORICULTURE RES GANSU ACADEMY OF AGRI SCI

Snow removing device for sunlight greenhouse

The utility model provides a snow removing device for a sunlight greenhouse. The snow removing device comprises a snow removing trolley moving along the upper surface of a gable wall of an arched greenhouse; the snow removing rod is connected with the snow removing trolley; the inner layer film is wound on the snow removing rod; the film rolling trolley moves along the upper surface of the arched greenhouse gable; the film rolling rod is connected with the film rolling trolley; the snow removing film is wound on the film rolling rod; film pressing belts are evenly arranged on the outer side of the snow removing film and used for fixing the snow removing film. The snow removing trolley is provided with a first film rolling machine, and the first film rolling machine drives the snow removing rod to rotate; the film rolling trolley is provided with a second film rolling machine, and the second film rolling machine drives the film rolling rod to rotate. According to the scheme, the load caused by accumulated snow in winter to the steel frame structure of the sunlight greenhouse is reduced.
Owner:北京银黄绿色农业生态园有限公司 +1

Hand-held sunlight greenhouse ventilation electric switch device

The utility model relates to the field of greenhouse equipment, and discloses a handheld sunlight greenhouse ventilation electric switch device which comprises a base, the outer wall of the front end of the base is fixedly connected with a shell, the inner wall of the shell is provided with a battery bin, the inner wall of the shell is fixedly connected with an inductor, the outer wall of the front end of the shell is fixedly connected with a button, and the outer wall of the front end of the shell is fixedly connected with the battery bin. A transmission mechanism is arranged on the inner wall of the shell, a protection mechanism is arranged on the outer wall of the front end of the base and comprises a bottom plate, a rotating shaft is rotationally connected to the inner wall of the front end of the bottom plate, a baffle is fixedly connected to the outer wall of the rotating shaft, and a pull rod is elastically connected to the inner wall of the bottom plate through a spring. According to the ventilation window, the baffle can protect the button, the situation that an operator mistakenly touches the button to affect the opening and closing angle of the ventilation window is avoided, the baffle can be turned downwards to press the button for use during use, and maintenance tools can be placed on the baffle during maintenance, so that the maintenance tools are more convenient to take.
Owner:SHAANXI AGRICULTURE & FORESTRY VOCATIONAL & TECHNICAL UNIVERSITY

Method for improving yield and quality of tomato fruits under high temperature condition

The invention discloses a method for improving tomato fruit yield and quality under a high temperature condition, which comprises the following steps: putting tomato seeds into a germination accelerating box to grow into tomato seedlings, planting the tomato seedlings in a sunlight greenhouse when the tomato seedlings grow to have four leaves and one core, supplying water to tomatoes, applying fertilizer, preventing diseases and insect pests, and transplanting the tomato seedlings in the middle and last ten days of June when the weather is high temperature. Spraying a glutathione solution on the leaf surfaces of the tomatoes until the tomato fruits are mature; the glutathione is used for treating commonly-cultivated tomatoes, has a remarkable promoting effect on the single fruit weight and the single plant yield of the tomatoes and the content of soluble solids, soluble sugar and vitamin C in the tomatoes, meanwhile, the content of nitrate is reduced, the yield and quality of the tomatoes are effectively improved, technical support is provided for improving the yield and quality of the tomatoes, and the method is worthy of popularization and application. The invention relates to a method for improving tomato fruit yield and quality under a high temperature condition.
Owner:SHANXI AGRI UNIV

Sunlight greenhouse with external sunshade function

The utility model provides a sunlight greenhouse with an external sunshade function, which relates to the technical field of greenhouses and comprises a greenhouse body, a sunshade curtain winding and unwinding mechanism, an environmental data acquisition mechanism and a main control mechanism. The sunshade curtain winding and unwinding mechanism is used for executing curtain winding and unwinding operation of the sunshade curtain; the environment data acquisition mechanism is electrically connected with the main control mechanism and is used for acquiring environment data of the environment where the greenhouse body is located in real time and uploading the acquired environment data to the main control mechanism; the main control mechanism is electrically connected with a first driving motor of the sunshade curtain winding and unwinding mechanism and used for controlling the first driving motor to work according to the environment data uploaded by the environment data acquisition mechanism so as to execute corresponding sunshade curtain winding or unwinding operation. According to the scheme, sunshade adjustment can be carried out in real time according to the environmental information in the sunlight greenhouse, illumination in the sunlight greenhouse is adjusted in real time through sunshade, and the growth conditions of crops are guaranteed.
Owner:宁夏回族自治区园艺技术推广站 +1

Fabricated low-carbon sunlight greenhouse

The utility model discloses an assembly type low-carbon sunlight greenhouse, which belongs to the field of indoor planting and comprises a greenhouse body, an inner thermal insulation covering system capable of being horizontally unfolded and folded is arranged in the middle of the greenhouse body in the height direction, and waste heat recovery equipment is mounted on the upper portion of the inner thermal insulation covering system. The waste heat recovery equipment comprises an air-water heat exchange cavity which is internally provided with a circulating water pipe and used for exchanging heat with hot air, and the circulating water pipe of the waste heat recovery equipment is connected with the energy storage device to store heat into soil on the lower portion of the greenhouse body for heat storage. The greenhouse main body comprises a north wall provided with a heat storage wall body, a south wall provided with a light-transmitting film and serving as a lighting surface, and east and west gable walls, and the south wall is further provided with a heat preservation quilt capable of being rolled up and spread out. According to the solar greenhouse, high-temperature air on the upper portion of the greenhouse is captured through the waste heat recovery device when sunlight exists, heat in the greenhouse is fully collected and stored in the land through air-water heat exchange, the temperature of the greenhouse at night is increased, the temperature of soil and plant roots is increased, and freezing damage of the solar greenhouse is reduced by means of the characteristic that the land delays heat release.
Owner:CHENGDE JIANYUAN TECH CO LTD

Tank culture medium and groove culture method for tomatoes in solar greenhouse in uncultivated land in desert region

The invention relates to the technical field of vegetable cultivation, in particular to a groove culture substrate and a groove culture method for uncultivated land sunlight greenhouse tomatoes in a desert region. Comprising the following raw materials: nano hydrogel-coco coir, humic acid, crushed fermented rice husk, zinc sulfate, lime powder, a bacillus subtilis preparation, carboxymethyl cellulose and a sodium alginate-epoxy resin coated compound fertilizer. The nano hydrogel permeates into pores of the coco coir to form a three-dimensional network, so that the water-retaining property is enhanced; sodium alginate and hydrogel construct a stable network through the effects of ionic crosslinking, hydrogen bonds and the like, and nutrient immobilization is improved; the interface optimization of the resin and the hydrogel promotes the transmission of moisture and nutrients; the carboxymethyl cellulose is used for adjusting the interfacial compatibility, so that the synergistic effect is optimal. Multiple chemical bonding and a physical network structure synergistically enhance water retention and slow release performance, and an ideal substrate is provided for tomatoes in a solar greenhouse in a desert region.
Owner:VEGETABLE RES INST OF GANSU ACAD OF AGRI SCI

Novel energy-saving environment-friendly sunlight greenhouse intelligent heating device

The utility model relates to the technical field of heating equipment, and discloses a novel energy-saving environment-friendly sunlight greenhouse intelligent heating device which comprises a wall body, the bottom end face of the wall body is fixedly connected with a temperature sensor, and the inner bottom of the wall body is provided with a heating mechanism. According to the novel energy-saving environment-friendly sunlight greenhouse intelligent heating device, a motor is started to drive a rotating shaft and a worm wheel to rotate, then an inclined pipeline is driven to rotate, rotation of a spraying head is achieved, the coverage range of spraying holes is enlarged, a part of hot steam passes through a spiral spraying pipe, the spraying head is made to rotate, rotation of the spraying head is achieved, and heating efficiency is improved. The spraying range of hot steam is further expanded, the distribution uniformity of heat energy in different areas in the greenhouse is improved, a suitable temperature environment is provided for growth of crops, the sealing degree between the steam pipeline and the inclined pipeline and the sealing degree between the inclined pipeline and the spraying head are improved through the first sealing ring and the second sealing ring, and the situation of water leakage at the connecting position is avoided.
Owner:HEFEI GUOZHIYUN INFORMATION TECHNOLOGY CO LTD