23 results about "Solar greenhouse" patented technology

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 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.

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.

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 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 utility model discloses a novel assembly type heat preservation board for sunlight greenhouse relates to sunlight greenhouse technical field. The utility model discloses a fixed box and the hinge setting of fixed lid body is established in the front side of fixed box, and the rear side of fixed lid body is provided with heat preservation board main part, is provided with the replacement unit and protection unit on the fixed box, and the replacement unit includes installation component and two drive assemblies, and installation component is installed in the rear side of fixed lid body, and two drive assemblies are all located in the rear side of fixed lid body, and installation component includes the mounting bracket of fixed connection in the rear side of fixed lid body, and the inner wall fixed connection of mounting bracket has a plurality of limit rods. The utility model discloses the replacement unit is set up, has solved the existing assembly type heat preservation board in the use process, is inconvenient to replace heat preservation board material, when part of board material loses the heat preservation efficiency because of aging, breakage, needs the overall dismounting and reinstallation, needs to spend a lot of time to prolong the downtime of greenhouse, and the problem of influence crop growth cycle.

The application discloses a natural cold source type sunlight greenhouse condensation dehumidification system, an operation method and an operation device, relates to the technical field of facility agricultural environment regulation and control, and is used for realizing low-cost and high-efficient condensation dehumidification of greenhouse air in a low-temperature and high-humidity environment. The natural cold source type sunlight greenhouse condensation dehumidification system comprises a heat dissipation unit, a dehumidification unit and a liquid storage tank with a circulating pump; wherein the heat dissipation unit is arranged outside the sunlight greenhouse; the dehumidification unit is arranged inside the sunlight greenhouse; the liquid storage tank is arranged outside the sunlight greenhouse; the heat dissipation unit, the dehumidification unit and the liquid storage tank are sequentially communicated to form a closed circulation loop; the water inlet of the heat dissipation unit is connected with the outlet of the circulating pump, the water outlet of the heat dissipation unit is connected with the water inlet of the dehumidification unit, and the water outlet of the dehumidification unit is communicated with the liquid storage tank. The above scheme fully utilizes the outdoor natural cold source through the closed circulation loop, realizes efficient condensation dehumidification of greenhouse air, and has the advantages of simple structure, low energy consumption and stable operation.

The utility model discloses a semi -closed water heat storage full daylight type sunlight greenhouse relates to agricultural engineering technical field. The utility model discloses a greenhouse, the inside of greenhouse is provided with support heat storage subassembly, and one side of support heat storage subassembly is provided with support guide subassembly, and the inside of support guide subassembly is provided with thermal insulation quilt, and both ends of support guide subassembly are provided with winding assembly and elastic traction subassembly respectively. The utility model discloses a winding assembly to the thermal insulation quilt is carried out winding operation, and the traction end of elastic traction subassembly is under the spring end elastic force, and the thermal insulation quilt is continuously applied tension, and its length is released dynamically according to demand simultaneously, and this synergic mechanism guarantees that the thermal insulation quilt can be closely, evenly and wound on the winding end, and the neatness and the aesthetic quality of winding body are improved significantly, and more importantly, by maintaining the tightness in the winding process, the problem of the heat insulation performance of the thermal insulation quilt caused by the increase of the interlayer gap is avoided effectively.

The utility model provides a kind of solar phase change heat storage device for sunlight greenhouse and the sunlight greenhouse comprising it, it is related to sunlight greenhouse heating technical field, solve the technical problem that the temperature in northern severe cold area sunlight greenhouse is low and is not conducive to crop growth.The solar phase change heat storage device for sunlight greenhouse, including phase change heat storage plate and solar light heat conversion coating;Phase change heat storage plate is set in sunlight greenhouse rear side, and towards sunlight greenhouse front side;Solar light heat conversion coating is set in the front side surface of phase change heat storage plate;Phase change heat storage plate includes base material and phase change material filled in base material;Base material is made of perlite;Solar light heat conversion coating is made of graphene coating;Phase change material is made of paraffin wax.The utility model is by collecting solar heat and shed air heat and carries out phase change heat storage, to night in temperature self-feeding effect and carries out heat release, provides heat for sunlight greenhouse air, maintains sunlight greenhouse air temperature.

The application discloses a construction method of a sunlight room power station, which comprises the following steps: base center line positioning, positioning and marking a base center line on a roof; base installation, marking base hole positions on the base center line position by using a fixed-point tool, corresponding the base mounting holes with the base hole positions, and installing the base on the base center line position; column positioning, marking and positioning the four corners of the column on the base by using a column marking tool; assembling a frame body, fixing the column according to the marking and positioning on the base, installing a fixed horizontal pull beam on the adjacent columns, fixing an inclined beam on the column, installing a fixed horizontal cross beam on the inclined beam to form the frame body, and installing a drainage groove on the frame body; and installing a photovoltaic board on the horizontal cross beam, and the upper surface of the photovoltaic board is flush with the groove opening of the drainage groove. The construction method of the sunlight room power station improves the construction efficiency of the sunlight room power station.

This invention discloses a three-layer substrate cultivation method for vegetables in a solar greenhouse, belonging to the field of soilless cultivation technology in facility agriculture. The method includes: constructing a trapezoidal ridge group in the solar greenhouse, and laying a rock wool water-retaining layer, an organic substrate cultivation layer, and a washed river sand temperature-regulating layer in sequence from bottom to top on the ridge. After setting up a drip irrigation system, the moisture content of the sand layer is controlled in winter, and the high thermal conductivity of the wet sand is used to absorb solar radiation heat and release it at night to increase the temperature. In summer, the moisture content of the sand layer is reduced, and the low thermal conductivity of the dry sand is used to block the high temperature from being conducted to the root zone. This method solves the technical problems of difficult troughing in solar greenhouses, difficulty in water and fertilizer retention, large water and fertilizer evaporation, and uneven water and fertilizer supply affecting product quality.

A heat collection and release system for a solar greenhouse is disclosed and includes a heat collection and release channel for circulating a first medium, arranged on a wall and / or a roof of the solar greenhouse, and located in the solar greenhouse, the wall and / or the roof, the wall and the roof of the solar greenhouse are made of a transparent material and are internally provided with a vacuum layer for preventing heat in the channel from being radiated to the outside of the solar greenhouse; a heat storage tank for storing a second medium; a heat exchange device, through which the first medium and the second medium exchanging heat; and a fan for providing power for circulation of the first medium. A method includes, heat is stored in the second medium through heat exchange between the first medium and the second medium and is dissipated into the greenhouse through heat exchange between the first medium and the second medium.

This invention relates to the field of greenhouse structure technology, and discloses a solar greenhouse structure, control system, and planting control method. The solar greenhouse structure includes a greenhouse body, steel insulated doors, windproof walls, roller shutter support arms, roller shutter machine, outer insulation blanket, insulation blanket roller rod, support frame, hot water storage bags, inner insulation blanket, ventilation openings, and windproof roller shutters. The system includes a regionalized environmental perception module, an environmental stress dynamic adaptation module, a resource benefit priority configuration module, a regionalized control parameter generation module, and a regionalized control parameter adjustment module. This invention can achieve proactive predictive stress avoidance, precise regionalized regulation, and dynamic resource benefit matching in the solar greenhouse structure environment. It effectively solves the defects of existing technologies such as homogeneous regulation, passive stress response, and poor demand adaptability, significantly improving crop growth environment adaptability, stress resistance, and comprehensive planting benefits, providing reliable technical support for refined and efficient planting in facility agriculture.

The application provides a mobile opening type sunlight greenhouse driving device, which is a driving device for the operation of a mobile opening type heat preservation material of a sunlight greenhouse. The sunlight greenhouse is changed from the original fixed heat preservation material roll type to the mobile heat preservation material opening type, so that the driving mode is different from the original mode. The driving assembly drives the traction steel wire rope to reciprocate on the steel wire rope support and the steering member. The traction steel wire rope is connected with the heat preservation material. The movement of the traction steel wire rope drives the overall operation of the heat preservation material. The heat preservation material covers the front slope of the greenhouse during heat preservation and moves to the rear support of the greenhouse during light collection. The driving device drives the opening and closing of the heat preservation material of the greenhouse, so as to achieve the purpose of heat preservation and light collection.

This invention discloses a solar-powered thermal storage greenhouse suitable for cold regions, mainly comprising a greenhouse main structure, a solar thermal storage system, an underground heat dissipation system, and a thermal insulation and shading system. The main structure employs a hot-dip galvanized and powder-coated anti-corrosion steel truss frame, flexible composite insulated walls, and a foundation with frost-resistant polystyrene panels, ensuring structural robustness and efficient thermal insulation. Solar water heaters installed in series under the roof ridge are connected to a PVC heat dissipation pipe network buried 50cm underground to form a circulation loop, converting solar energy into heat energy stored in the soil during the day and releasing it at night to maintain ground and air temperatures. Simultaneously, a foldable, closed thermal insulation and shading screen is installed on the inner side of the front roof at a height of 2.2m above ground, providing both winter nighttime insulation and summer midday shading. This invention is particularly suitable for cold regions, offering advantages such as high thermal storage efficiency, strong thermal insulation performance, energy saving and environmental protection, long service life, and suitability for mechanized operation.

The application provides a sunlight greenhouse building parameter optimization method and a related device, and the method comprises the following steps: designing building parameters of a sunlight greenhouse based on an orthogonal test method, determining at least one building parameter optimization scheme; obtaining a three-dimensional transient fluid mechanics CFD model corresponding to the building parameter optimization scheme, the three-dimensional transient CFD model being created according to sunlight greenhouse modeling data in a hot and humid environment; obtaining an initialization result and a boundary condition of the hot and humid environment; inputting the boundary condition and the initialization result into the three-dimensional transient CFD model, calculating a comprehensive score of a hot and humid environment evaluation index corresponding to each building parameter optimization scheme, and determining an optimal building parameter scheme with the highest comprehensive score. That is, the CFD technology is used to more accurately calculate the indoor environment distribution of the sunlight greenhouse, the indoor temperature and humidity distribution heterogeneity is fully considered, the indoor complex fluid mass transfer and heat transfer can be accurately calculated, and the actual situation of the greenhouse can be truly reflected.

The utility model discloses a floor type driving mechanism of sunlight greenhouse wall heat preservation quilt, relates to sunlight greenhouse wall heat preservation quilt winding technical field. The utility model discloses a greenhouse big -arch shelter body, the inside heat preservation quilt winding mechanism of greenhouse big -arch shelter body is provided with, and the winding end of heat preservation quilt winding mechanism is provided with heat preservation quilt body, and the surface of heat preservation quilt winding mechanism is provided with a plurality of elastic support mechanism, and a plurality of elastic support mechanism are provided with a plurality of elastic adjusting mechanism, and the inside heat preservation quilt traction mechanism of greenhouse big -arch shelter body is provided with. The utility model discloses a plurality of elastic support mechanism's support end carries out synchronous support to the heat preservation quilt body of winding, until the heat preservation quilt body is all wound up, this design has changed the disadvantage that traditional independent fixed gable heat preservation quilt long -term obstructs gable scattered light, effectively promotes the light intensity and the illumination time length of greenhouse edge area, significantly improves the photosynthetic efficiency of crop, creates more suitable growth environment for crop.

The present application relates to saline-alkali soil technical field, disclose a kind of for solar greenhouse greenhouse under saline-alkali soil's salt removal desalination recharging coordination system, the system includes: intelligent monitoring and control system, salt removal collection and raw water regulation and storage system, brackish water pretreatment desalination and tail water disposal system, photovoltaic power supply and recharging salt control system, salt removal collection and raw water regulation and storage system include salt removal branch and water collecting well, salt removal branch is laid in saline-alkali soil ploughing layer below, collect brackish water in soil, water collecting well temporarily stores brackish water;Intelligent monitoring and control system meets the starting condition of brackish water pretreatment desalination and tail water disposal system and outputs starting instruction;Brackish water pretreatment desalination and tail water disposal system are used to receive starting instruction when, to brackish water is filtered, membrane desalination treatment;Photovoltaic power supply and recharging salt control system are used for power supply, fresh water is transported to greenhouse irrigation system, and the present application each system is operated in coordination, forms salt removal-desalination-recharging closed loop operation system, realizes water resource recycling.

This utility model relates to the field of double-arch greenhouse technology, specifically a novel double-arch double-film solar greenhouse, including a rear wall and two gable walls. Several outer and inner arch frames are fixedly connected at intervals on the rear wall. The outer arch frames are covered with a light-transmitting film. A retractable inner cotton quilt roll is installed at the top of the inner arch frame, which is covered with a sunshade curtain. One end of the sunshade curtain is fixedly connected to the highest point of the inner arch frame, and the other end is wound around a first film roller, which is connected to the gable wall. An outwardly protruding support is fixedly connected to the top of the outer side of the rear wall. A baffle rod is fixedly connected to the outside of the support, and a retractable outer cotton quilt roll is installed inside the baffle rod. Frost-proof boards are installed at the bottom of all four sides of the greenhouse. This utility model improves upon the forward-leaning slope of the original greenhouse rear wall, allowing the outer cotton quilt roll to retract directly above the rear wall, reducing sunlight obstruction and increasing the light exposure time for crops near the rear wall. Simultaneously, the frost-proof boards at the bottom of the greenhouse further enhance heat preservation.

This invention provides a method and system for analyzing heat transfer in composite insulation blankets in solar greenhouses, belonging to the field of greenhouse environmental technology. The method includes: meshing the internal structure of the composite insulation blanket along its thickness; establishing a transient heat conduction differential equation as the governing equation based on the law of conservation of energy; determining initial and boundary conditions; and solving for the temperature distribution and overall heat transfer coefficient of the composite insulation blanket by coupling four heat transfer processes: conduction, convection, radiation, and latent heat exchange due to water vapor condensation. This invention solves the problem that existing models lack clear heat transfer mechanisms and cannot accurately reflect actual heat transfer processes. By comprehensively considering dynamic environmental factors and the structural characteristics of the insulation blanket, it achieves a realistic simulation of the heat transfer process under actual working conditions, providing a reliable theoretical tool for the structural optimization and material selection of the insulation blanket.

This invention provides a method for optimizing design parameters of a double-layer membrane phase change energy storage greenhouse for biogas, belonging to the field of greenhouse design optimization technology. This invention sets phase change temperature and membrane spacing as joint optimization variables and defines constraints to prevent spatial interference; it obtains a dataset consisting of annual heating energy consumption, life-cycle costs, and life-cycle carbon emissions through environmental boundary numerical simulation, comprehensively reflecting long-term, multi-dimensional operating conditions; it constructs a surrogate model using polynomial surface fitting to reduce the high-frequency computational cost of multi-physics fields; based on the Rayleigh-Stefan ratio, first-order partial derivatives, and normalized difference, it constructs evaluation functions for thermal mismatch factor, local topological sensitivity, and marginal benefit index, respectively, quantifying physical and economic characteristics; it integrates these evaluation functions into multi-objective optimization to construct penalized mutation and guided congestion operators, and outputs the optimal combination based on the Pareto solution set proximity, eliminating thermophysical distorted solutions and ensuring the value of engineering decision-making.

This invention relates to a multi-layer film insulation component, its preparation method, and its application in solar greenhouses. The multi-layer film insulation component includes a film sleeve, end beams, and connecting plates. The film sleeve is a closed ring structure. Two end beams are symmetrically arranged inside the sleeve and fixedly connected to it to form a double-layer film insulation assembly. N double-layer film insulation assemblies are arranged at equal intervals to form a basic film insulation component. When the basic film insulation component is stretched and unfolded, it can form 2N film insulation layers and 2N-1 air gaps, improving the covering and insulation effect of the insulation film. The multi-layer film insulation component can be manufactured using a multi-layer film insulation component preparation tooling and method. This multi-layer film insulation component can be used for partial area insulation or overall insulation of a solar greenhouse, providing complete and reliable insulation. It offers flexible and diverse applications and has broad prospects for widespread application.