116 results about "Solar greenhouse" patented technology

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.

The utility model relates to the technical field of greenhouses, in particular to an adjustable solar greenhouse which is characterized in that a first connecting rod is hinged to the side wall of a light-transmitting baffle, one end of the first connecting rod is connected with a rotating frame through an independent limiting mechanism, and movable blocks are movably arranged in movable grooves formed in the inner bottom walls of a plurality of windows respectively; first threaded rods are rotationally connected into the left side wall and the right side wall of the greenhouse body through bearings correspondingly, the double-shaft motor is fixedly arranged on the inner wall of the rear side of the greenhouse body, and connecting strips are fixedly arranged at the positions, located on the left side and the right side of the double-shaft motor, of the inner wall of the rear side of the greenhouse body correspondingly. A driving rod connected with an output shaft of the double-shaft motor is rotationally arranged in the connecting strip in a penetrating mode through a bearing, and the second solar panel is arranged on the left side of the upper portion of the greenhouse body through a turnover mechanism, so that the solar panel located on the shaded face can be turned over to the sunny face, and full utilization of solar energy is achieved; and opening and closing of a plurality of ventilation windows can be synchronously realized, so that the ventilation process of the greenhouse is more convenient.

The utility model relates to the technical field of agricultural planting greenhouses, in particular to a sunlight greenhouse secondary film automatic unfolding and fixing device, which is characterized in that two racks form a group and are symmetrically arranged front and back, two stepping seats are respectively erected on the racks on the front side and the back side, two support frames are respectively and fixedly arranged on the stepping seats on the front side and the back side, and the two support frames are fixedly arranged on the stepping seats on the front side and the back side. The two storage frames are fixedly arranged on the walls of the opposite sides of the front supporting frame and the rear supporting frame respectively, the multiple supporting rods are arranged between the supporting frames on the front side and the rear side, the mounting frames are fixedly arranged on the stepping base, the mounting base is fixedly arranged on the mounting frames, and the storage rollers are arranged between the mounting frames on the front side and the rear side. Supporting and stepping structures on the two sides, a winding device for a thin film and a corresponding foldable supporting structure are arranged, so that folding and unfolding operation of the second film in the greenhouse is achieved, and heat preservation of a crop growing area in the greenhouse is kept.

The invention discloses an automatic pesticide spraying machine for a sunlight greenhouse, and belongs to the technical field of atomization devices.The pesticide spraying machine for the sunlight greenhouse has the functions of spraying pesticide, applying fertilizer to leaves and cooling the leaves, and the pesticide spraying machine, the leaf fertilization and the leaf cooling can be automatically switched according to the growth requirements of plants; meanwhile, the spray valve in the sunlight greenhouse pesticide sprayer also has a lifting function and can be automatically lifted according to the growth height of the plant, so that spray can completely cover the leaf of the plant, and in addition, the sunlight greenhouse pesticide sprayer has an automatic flow control function and can automatically adjust the flow according to the growth width of the leaf of the plant, so that the pesticide spraying efficiency is improved. The functional diversity and the spraying effect of the solar greenhouse pesticide sprayer are improved, and water resources are saved.

The application provides an automatic irrigation method and system applied to soilless culture of crops in a sunlight greenhouse, and relates to the technical field of sunlight greenhouses.The automatic irrigation method comprises the following steps: checking a working mode, and executing a cumulative radiation irrigation strategy or a timing irrigation strategy according to a checking result; wherein the cumulative radiation irrigation strategy is based on an irrigation time interval checking determined irrigation opportunity and an irrigation time length determined according to a cumulative radiation amount monitored outside the sunlight greenhouse to execute irrigation work on the soilless culture crops; and the timing irrigation strategy is based on a preset irrigation time and irrigation time length to execute irrigation work on the soilless culture crops.The scheme has low cost and strong stability in maintaining irrigation precision.

The utility model discloses a low-carbon sunny and sunny type sunlight greenhouse, which belongs to the technical field of indoor planting and comprises an assembly type sunny and sunny greenhouse, the sunny greenhouse and the sunny greenhouse comprise a shared partition wall and supporting frameworks respectively extending to the south direction and the north direction from the top of the partition wall, and a heat collecting system is mounted in the sunny greenhouse. A heat storage system and a temperature and CO2 adjusting system are installed in the shady shed and the sunny shed, and the heat collection system comprises waste heat recovery equipment, a solar water heater and a heat storage device, wherein the waste heat recovery equipment and the solar water heater are installed above the sunny shed, and the heat storage device is arranged on a sunny side partition wall. The heat storage system comprises underground temperature storage devices and a water storage tank, wherein the underground temperature storage devices are arranged under the shady shed and the sunny shed respectively and connected with the waste heat recovery equipment, and the water storage tank is arranged in the shady shed. The temperature and CO2 adjusting system comprises a temperature and humidity sensor, an oxygen sensor and a CO2 sensor which are arranged in the shady shed and the sunny shed, a temperature sensor arranged in the water storage tank and the heat dissipation device, a plurality of fans arranged at the upper part of the partition wall and a plurality of ventilation windows arranged at the lower part of the partition wall.

The invention relates to the technical field of vegetable facility cultivation, and discloses a sunlight greenhouse high-lighting-effect cultivation method for overwintering tomatoes, which comprises the following steps: S1, greenhouse preparation: selecting a single-slope sunlight greenhouse with a front slope covering and walls on the east, middle and west sides, covering the front slope with a light-transmitting heat-insulating material, and covering the front slope with a heat-insulating roller shutter quilt containing double-layer heat-insulating cotton at night. According to the sunlight greenhouse high-photosynthetic-efficiency cultivation method for the overwintering tomatoes, by optimizing model selection and configuration of a greenhouse (such as covering a front slope with a high-light-transmittance PO film), adopting an accurate one-ridge double-row staggered-row planting mode and cooperating with scientific pruning and pruning, illumination distribution and a plant population structure in the greenhouse are systematically improved, and the yield of the greenhouse is increased; according to the method, the effective light reception of the middle and lower parts of the plants under the weak light condition in winter is remarkably enhanced, the photosynthetic efficiency of the whole canopy is improved, the problems of excessive growth of the plants, canopy closing, uneven coloring and the like caused by a traditional close planting mode are effectively solved, and a solid foundation is laid for realizing high quality and high yield of the overwintering tomatoes.

The utility model provides a light angle adjustable sunlight greenhouse shed structure belongs to the technical field of facility agriculture equipment, including front swing lever, connecting rod, rear swing lever, front shed beam, rear shed beam, first gear assembly, second gear assembly, first drive rack, second drive rack, first power axle and second power axle, one end of front swing lever is hinged in the top of light vertical surface, and the other end is hinged and is connected with front shed beam, one end of rear swing lever is hinged in the top of heat preservation wall surface, and the other end is hinged and is connected with rear shed beam, and the both ends of connecting rod are hinged on front shed beam and rear shed beam respectively, first gear assembly and second gear assembly are coaxial and are connected on first power axle and second power axle respectively, and first drive rack and second drive rack are respectively matched with the device in first gear assembly and second gear, and the upper end of first drive rack is hinged on front shed beam, and second drive rack is hinged on rear shed beam, and the popular application can optimize the adjustment function and use efficiency of sunlight greenhouse shed light angle, satisfies the agricultural production demand.

The invention discloses a method for optimizing the stand column position and the framework section of a sunlight greenhouse of a single-tube arch structure. The method comprises the steps that a three-dimensional finite element model comprising an arch frame, stand columns and straining beams is established; determining the optimal distance from the stand column to the north wall through parametric analysis; sensitivity analysis is carried out, and key skeleton section parameters influencing the allowable snow load are identified; establishing a random forest model to establish a relationship between different skeleton section parameter combinations and allowable snow load values; and on the basis of the allowable snow load value predicted by the random forest model, the optimal skeleton section combination is determined in combination with the calculated steel consumption. The optimal stand column position can be effectively determined, the ultimate bearing capacity and the allowable snow load value of the arch structure are remarkably improved, meanwhile, the steel consumption is reduced by optimizing the cross section of the framework, the technical problem that the structural safety and economical efficiency of a large-span sunlight greenhouse under the snow load condition are difficult to balance is solved, and the construction cost is reduced. And a reliable theoretical basis and a practical optimization means are provided for the design of the sunlight greenhouse.

The invention discloses a Chinese angelica out-of-season single seedling raising method suitable for mechanical transplanting and application thereof, and belongs to the field of Chinese herbal medicine seedling raising and cultivation. According to the method, a sunlight greenhouse or a gutter-connected greenhouse with the altitude being 2300 m or above and the lowest temperature being larger than or equal to 8 DEG C in winter is selected, field soil without continuous cropping obstacles is matched with fried rapeseeds, trichoderma harzianum and bacillus subtilis to prepare a special matrix, a seedling raising paper book with the single-hole diameter being 19-25 mm and the height being 12 cm is adopted, pelletized seeds are dibbled in a double-grain mode from late November to early December, and the seeds are sown in the seedling raising paper book with the single-hole diameter being 19-25 mm and the height being 12 cm. Through management of precise temperature and humidity regulation and control, foliage dressing, seedling hardening and leaf cutting and the like, standardized single seedlings are cultivated and transplanted through a transplanter. According to the method, the early bolting rate of the angelica sinensis is reduced, the seedling uniformity and the transplanting survival rate are improved, the transplanting efficiency is improved, the labor cost is reduced, the yield of the angelica sinensis can be increased, efficient utilization of out-of-season resources is achieved, and support is provided for industrial large-scale standardized development.

1. Name of the design product: Edible mushroom sunlight greenhouse (black fungus wisdom growth workshop). 2. Use of the design product: For crop planting, such as mushroom cultivation of black fungus, etc. 3. Design points of the design product: Combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective view. 5. The bottom surface of the design product is a part that is not easy to see or cannot be seen during use, and the top view is omitted.

The utility model relates to a solar greenhouse pull rope type heat preservation quilt winding and unwinding device which comprises a roller shutter pull quilt framework, and two supports are symmetrically welded to the side wall of the roller shutter pull quilt framework. The rolling assembly is arranged on the side, provided with the supports, of the roller blind and quilt pulling framework, the rolling assembly is used for rolling and releasing the heat preservation quilt, the rolling assembly comprises a roller blind and quilt pulling driving motor fixedly arranged on the side wall of the roller blind and quilt pulling framework and a driving shaft arranged between the two supports in a penetrating mode, and the driving shaft is fixedly connected with an output shaft of the roller blind and quilt pulling driving motor; by using the roller blind and quilt pulling framework, the support, the rolling assembly and the rubber non-slip mat, the situation that the two ends of a rolling rod are high and the middle of the rolling rod is low can be prevented, the heat preservation quilt can be rolled more straightly, use of ground piles can be reduced, the occupied area and the construction cost are saved, meanwhile, the heat preservation quilt can be better attached to a wide roller blind and quilt pulling belt rope, and the service life of the heat preservation quilt is prolonged. The heat preservation quilt can be prevented from being pushed upwards and cannot be rolled, and use is convenient.

The invention relates to the technical field of sunlight greenhouses, and provides a sunlight greenhouse photovoltaic and photo-thermal system which comprises a sunlight greenhouse, a light condensation and heat collection system and a greenhouse heating system. The light-gathering heat-collecting system comprises a light-gathering device and a photo-thermal device, the light-gathering device is arranged on one side of the rear slope surface, the photo-thermal device is arranged on the light-gathering device, the light-gathering device comprises a first light-gathering plate and a second light-gathering plate, the photo-thermal device comprises a light-transmitting photo-thermal unit and a photovoltaic cell panel, the light-transmitting photo-thermal unit is arranged on the photovoltaic cell panel, and the light-transmitting photo-thermal the first light gathering plate is used for reflecting sunlight to the light-transmitting photo-thermal unit, and the second light gathering plate is used for reflecting infrared light in the sunlight to the light-transmitting photo-thermal unit and transmitting visible light in the sunlight to the light-transmitting slope surface of the adjacent sunlight greenhouse; the greenhouse heating system comprises a heat storage device and a heat release device, and the heat release end of the heat release device is located in the sunlight greenhouse. The invention provides a solar greenhouse photovoltaic photo-thermal system which is used for solving the problems that in the prior art, lighting of a photovoltaic solar greenhouse is reduced, and temperature is increased in winter.

The application discloses a kind of fast real-time detection light conversion agent method, suitable for sunlight greenhouse and photovoltaic cell field.Light conversion agent absorbs specific waveband light under sunlight and emits another waveband light, but existing technology cannot reflect its spectral conversion effect in real time, intuitively, and is prone to cause ultraviolet visible diffuse reflectance spectrum distortion due to emission light being too strong, with more than 100% abnormal phenomenon.The method uses ground object spectrometer, first tests standard whiteboard reflectance spectrum and normalizes processing, secondly uses standard spectral sample to calibrate, then tests light conversion agent sample, obtains the superposition figure of reflected spectrum and emission spectrum, and intuitively presents spectral conversion effect.Through dynamic adjustment of measurement parameter, adapt to different light conditions, ensure measurement accuracy.The application has the characteristics of fast, intuitive, strong environmental adaptability, can effectively avoid reflectance spectrum distortion, and provides efficient detection means for light conversion agent research and application.

The utility model belongs to the technical field of agricultural machinery, and discloses an anti-wind device for a solar greenhouse heat preservation quilt. Comprising a ground anchor plate, a steel pipe telescopic mechanism, a connecting rod structure, a semicircular inner gear ring, a ring-shaped gear and a gear seat with a sliding rail. The ground anchor plate is fixed to the ground through expansion bolts and provided with two hinge lugs which are connected with the telescopic steel pipe and the connecting rod respectively, the connecting rod is connected with the telescopic sleeve through the hinge lugs, the other end of the telescopic sleeve is connected with the gear seat, and a semicircular inner gear is embedded in a guide rail of the gear seat. The position of the semicircular inner gear ring is indirectly adjusted by rotating a bolt of the connecting rod, so that the semicircular inner gear ring is located on a path when the heat preservation quilt rolling lever is put down, the heat preservation quilt rolling lever is sleeved with the ring-shaped gear, and it is guaranteed that the ring-shaped gear can be meshed with the semicircular inner gear ring. The whole structure of the device is simple, automatic locking and loosening of the device can be achieved through rotation and movement of the rolling lever, and manual operation and electric control are not needed.

The utility model relates to the technical field of sunlight greenhouses, in particular to a double-layer protective sunlight greenhouse which comprises first fixing frames and second fixing frames, and first covering films are arranged on the upper sides of the two first fixing frames. The supporting rod is fixedly mounted in the middle of the first fixing frame and the middle of the second fixing frame; the second covering film is arranged on the upper sides of the two sets of second fixing frames; the skylight is rotationally mounted in the middle of the first covering film; and the fixed plate is fixedly mounted on the second fixed seat in the middle of the two groups of first fixed frames. The double-layer protective sunlight greenhouse is arranged, so that rain and snow can be prevented from falling on the upper side of the heat preservation quilt, and the heat preservation effect of the heat preservation quilt is improved; and through arrangement of multiple sets of bolts, the heat preservation quilt can be conveniently and rapidly disassembled and replaced, in addition, through arrangement of the adjusting assembly, the skylight can be controlled to be turned over, and therefore the temperature in the first covering film can be adjusted.

This application belongs to the field of solar greenhouse technology, specifically an anti-tipping device for a solar greenhouse quilt and a solar greenhouse structure. The stop component includes a stop part and a connecting part. The stop part includes a stop member and a first horizontal member, and the connecting part includes a shaped member and a second horizontal member. The stop component also includes a reinforcing member. The stop member, the shaped member, and the reinforcing member together form a triangular support frame. A third horizontal member connects adjacent triangular support frames. The third horizontal member connects two adjacent triangular support frames at the junction of the stop part and the connecting part to form a three-dimensional stable frame structure. This ensures that the anti-tipping device can be stably connected to the greenhouse frame as a whole. When the insulation quilt is rolled up to near the preset installation position, the stop part will stop the insulation quilt from being rolled up further at the preset stop position, thereby limiting the insulation quilt from being rolled up beyond the preset stop position, especially preventing uncontrollable rollover onto the north slope.

The utility model relates to the field of agricultural planting equipment, and specifically discloses a sunlight greenhouse light supplementing equipment, which comprises a planting frame mechanism and a light supplementing mechanism, wherein the planting frame mechanism comprises a planting frame, and a water culture pipeline is arranged on the planting frame; the light supplementing mechanism comprises a clamping block assembly clamped on the planting frame, a light supplementing assembly is limited to slide on the clamping block assembly, a spring is sleeved on the outer side of the light supplementing assembly, and a traction assembly is further connected to the bottom of the light supplementing assembly; the spring drives the light supplementing assembly to move upwards; the traction assembly can easily pull the light supplementing assembly downwards, so that the spring is compressed, thereby facilitating the observation of the growth state of plants; after the observation is completed, the traction assembly is loosened, the spring is reset, and the light supplementing assembly can be driven to move upwards to restore light supplementing; the operation is simple and convenient, and the grower can easily check the growth state of plants.

The utility model provides a sunlight greenhouse plant disease and insect pest green prevention and control multifunctional pesticide application device which comprises a main body mechanism and a spraying mechanism arranged at the top of the main body mechanism, and the main body mechanism comprises a pesticide preparation box, a motor arranged at the bottom of the pesticide preparation box and a rotating block arranged at the output end of the motor. The scraping plate is arranged on the outer wall of the rotating block, the rotating rod is arranged at the top of the rotating block, the stirring plate is arranged on the outer wall of the rotating rod, a supporting ring is arranged at the bottom of the medicine dispensing box, and a mounting groove is formed in the supporting ring; when the device is used, after water and liquid medicine are guided into the dispensing box, the motor drives the stirring plate on the outer wall of the rotating rod to mix, and meanwhile, the scraping plate on the outer wall of the rotating block stirs the bottom in the dispensing box, so that the medicine is prevented from precipitating.

The ultralow-temperature-resistant composite heat preservation quilt comprises a heat preservation core material and black and white films compounded on the two surface layers of the heat preservation core material, at least one surface of the black and white films on the two surface layers is coated with the white film, a geomembrane is compounded between the heat preservation core material and the black and white films, and the heat preservation core material is made of a heat preservation material capable of resisting the low temperature of-40 DEG C or below; during manufacturing, two multi-layer hot-pressing type special heat sealing machines are used at the same time, composite bonding is conducted in a heat sealing mode, the heat sealing bonding temperature between the heat preservation core material and the composite geomembrane ranges from 300 DEG C to 330 DEG C, and the heat sealing bonding temperature between the black and white membrane and the geomembrane ranges from 130 DEG C to 160 DEG C. The high-quality ultralow-temperature-resistant heat preservation material serves as the core material, the geomembranes and the black and white membranes are compounded on the two faces, the application environment is expanded, the tensile capacity of the heat preservation quilt is enhanced, the service life of the heat preservation quilt is prolonged, and therefore the use cost is reduced.

The invention relates to the technical field of snow removal of sunlight greenhouses, and provides a sunlight greenhouse with an anti-snow accumulation structure, which comprises a greenhouse frame with openings uniformly formed in the top and two sides, heat insulation roller shutters are arranged on two sides of the greenhouse frame, a base plate is fixedly connected to the top of the greenhouse frame, a film clamping groove is formed in the outer surface of the base plate, and the film clamping groove is fixedly connected to the top of the greenhouse frame. The top of the base plate is fixedly connected with a thin film placing frame, and a light-transmitting groove is formed in the outer surface of the thin film placing frame; the auxiliary units are symmetrically arranged on the inner wall of the greenhouse frame, the snow removing unit needs to be matched with the auxiliary units to shovel snow, a worker needs to adjust the auxiliary units to be in an ice layer removing state, then the auxiliary units will be attached to light-transmitting grooves in a film containing frame, and the ice layer attached to a film is separated; and then the auxiliary unit resets and is manually adjusted to be in a supporting state, and finally, under the supporting of the auxiliary unit, the snow removing unit can remove a snow layer and an ice layer on the thin film.

This invention discloses a solar greenhouse salt-making device, specifically relating to the field of salt production technology. It includes an evaporation tank, a translucent top cover, capillary suction blocks, and a fan. The translucent top cover is detachably connected to the evaporation tank and completely covers its opening. An inlet pipe is located at the end of the evaporation tank furthest from the top cover, allowing brine to enter the tank. The capillary suction blocks are placed inside the evaporation tank, with their bottoms submerged in the brine. The capillary action of the blocks causes the brine to move to their top. A ventilation hole is located on the side wall of the evaporation tank near the top cover, situated at the top of the capillary suction blocks. A fan is fixedly installed within the ventilation hole and electrically connected to a wind power generation device. This invention improves brine evaporation efficiency, shortens the salt-making production cycle, and increases economic benefits.

The utility model belongs to the technical field of agricultural machinery, and discloses a novel ventilating window of a sunlight greenhouse. Comprising a driving motor, spur racks, transmission shafts, sleeves and a window frame. The driving motor is connected with the gear box, and a gear in the gear box is meshed with the spur rack which is connected with the transmission shaft. The transmission shaft is fixedly connected with one ends of a plurality of sleeves respectively; the other end of the sleeve is fixedly connected with the window frame. Through sleeve combination, the opening and closing degree of the ventilation window is accurately controlled, the environment stability of the greenhouse is improved, the ventilation quantity is accurately controlled, the influence on thermal expansion and cold contraction of a greenhouse structure and equipment is reduced, and the service life of the greenhouse is prolonged. The opening and closing area of the ventilation window can be adjusted, the ventilation speed can be flexibly adjusted according to different weather conditions and crop requirements, and the ventilation speed is increased or delayed.

A sunlight greenhouse frame type soil wall relates to the technical field of greenhouse, which comprises a support frame, two rotating frames are hinged on the top of the support frame, side support plates are fixed on the opposite ends of the support frame, fixed plates are fixed on the opposite ends of the rotating frames, a plurality of rotating cylinders are arranged on the top of the support frame, a plurality of connecting columns are hinged on the outer wall of the rotating frame, a limiting circular plate is arranged in the rotating cylinder and is in frictional contact with the inner wall of the rotating cylinder, a connecting rod is fixed on the end of the limiting circular plate, one end of the connecting rod penetrates through the rotating cylinder and is screwed with the connecting column, the connecting rod is in frictional contact with the rotating cylinder, the diameter of the connecting rod is smaller than the diameter of the limiting circular plate, a compression spring is arranged in the rotating cylinder, one end of the compression spring is in abutment with the limiting circular plate, and the other end of the compression spring is limited in the rotating cylinder, and a humidifying assembly is arranged between the two rotating frames. The present application solves the problem of poor sealing and heat preservation effect caused by easy cracking of the existing frame type soil wall.

The utility model relates to the technical field of agricultural facilities, in particular to a stand column hidden type sunlight greenhouse which is provided with a greenhouse body, a plurality of supporting steel beams and a plurality of cross beams, the greenhouse body comprises a rear wall and two side walls, one end of each supporting steel beam is fixedly connected with the ground, and the other end of each supporting steel beam is fixedly connected with the cross beams. One end of each cross beam is fixedly connected with the top face of the rear wall, the other end of each cross beam is fixedly connected with the top face of the rear wall, the two ends of each cross beam are fixed to the two side walls respectively, each cross beam is fixedly connected with all the supporting steel beams, and all the cross beams are arranged along the curved faces of the tops of the side walls, so that when each supporting steel beam bears pressure, the pressure can be dispersed to the other supporting steel beams through the cross beams; therefore, the pressure applied to the supporting steel beams by the solar greenhouse ceiling is averagely shared by all the supporting steel beams.

The invention discloses a sunlight greenhouse film rolling device PLC closed-loop ventilation precise control system and method, and the system comprises an environment sensing module which is used for collecting the indoor air temperature and relative humidity in real time; the encoder module is used for detecting the actual opening degree and the movement direction of the film rolling device in real time; and the PLC control module is used for constructing a closed-loop control chain of the microclimate index, the target opening degree and the number of turns of the motor according to the indoor air temperature, the relative humidity and the actual opening degree and the movement direction of the film rolling device, accurate control over the position of the film rolling device is achieved, and then the greenhouse microclimate is accurately regulated and controlled. By adopting the technical scheme of the invention, the position feedback of the execution end can be introduced, and the film rolling ventilation can be accurately regulated and controlled in cooperation with the greenhouse microclimate sensor and the PLC.

The invention relates to the technical field of solar greenhouse state programmed control, and discloses a solar greenhouse environment control optimization method and system based on the Internet of Things, and the system comprises a solar greenhouse environment demand detection module, a solar greenhouse environment demand measurement and calculation module, and a solar greenhouse environment demand supply module. On the basis of numerical analysis, the carbon dioxide supplement amount in the sunlight greenhouse environment and sunlight greenhouse environment illumination intensity change rate parameters are accurately detected in real time, and the sunlight greenhouse vegetable planting environment is digitally managed; scientific matching of sunlight greenhouse environment carbon dioxide supplement rates in different illumination change scenes is carried out based on sunlight greenhouse environment illumination intensity change rate data in combination with an intelligent recognition algorithm and different illumination change scene carbon dioxide supplement rate data stored based on big data. The carbon dioxide supplement rate of the solar greenhouse vegetable planting environment is intelligently controlled by combining an artificial intelligence algorithm, and the quality of solar greenhouse vegetable planting management is improved.

The utility model provides a main body structure of a suspension type solar water heating plate greenhouse, relates to the technical field of sunlight greenhouses and solar water heaters, and solves the technical problem of low heat storage efficiency in the prior art. The device comprises a suspension bracket, a greenhouse front slope steel frame, a solar water heating plate, a water feeding pipe and a water return pipe, the suspension bracket is connected with the greenhouse front slope steel frame, the solar water heating plate is arranged on the suspension bracket, and the water feeding pipe and the water return pipe are arranged on the solar water heating plate. The solar water heating plate is arranged on the front slope steel frame of the greenhouse to store heat, solar energy is fully utilized, and heat storage efficiency is improved.

The utility model discloses a new type drive mechanism of inner heat preservation quilt in sunlight greenhouse inner membrane relates to agricultural production technical field. The utility model discloses a wall body, the front surface fixed mounting of wall body has the support frame, and the inside of support frame is provided with the storage component, and a plurality of heat preservation layers are arranged between the storage component and support frame, and the back of wall body is provided with the gear position component and the adjusting push assembly. The utility model discloses through manual movement adjusting push assembly to gear position component position after, the push stroke of push end moves to the maximum value, and this push action drives gear position component, and then drives the storage component to store heat preservation layer, the storage degree of heat preservation layer can be accurately controlled through the preselection of different gear position end and the fixed maximum stroke of adjusting push assembly, and this pure manual mechanical adjusting mechanism does not need sensor and other control components, and perfect realization is carried out according to the accurate adjustment of environmental demand while thoroughly avoiding the out of control of heat preservation layer folding position.

The application belongs to the technical field of greenhouse construction, and discloses a fast-assembly sunlight greenhouse using GFRP material and a fast-assembly method thereof. The framework part is entirely made of GFRP framework, the GFRP framework is not bent, and the GFRP frameworks are connected through fast-assembly pieces. The structure strength of the greenhouse is the same as that of a steel framework, the weight of the greenhouse is lower than that of the steel framework, the greenhouse framework has stronger ability to bear wind and snow load, the main body of the greenhouse is entirely made of fast-assembly structure, the texture of the greenhouse is lighter than that of the steel framework and the greenhouse is more convenient to install; the greenhouse does not need to be provided with film pressing ropes, the cross section of the GFRP pipe material can be in any shape, the framework slot can replace the film clamping slot, and the greenhouse film is directly fixed through the framework.