226 results about "Plant factory" patented technology

The invention relates to the technical field of totally-closed artificial light plant factory planting, in particular to a totally-closed artificial light plant factory tomato seedling raising method, which is characterized in that each stage and each link in the whole cycle process of tomato growth are accurately controlled, and the tomato seedling raising efficiency is improved. Comprising the steps of nutrient solution management, irrigation frequency management and seedling raising environment temperature control in the stages of seed treatment, substrate preparation, sowing and germination acceleration, seedling raising and the like. The selection of a planting light source in the seedling raising stage is obtained through creative labor on the basis of a large amount of experimental data; the formula of the nutrient solution is also obtained on the basis of tomato characteristics and a large amount of experimental data in combination with creative labor; and the technical prejudice of conventional means is overcome, and the temperature condition of low-temperature treatment is adopted. All the technical means are organically combined and mutually influenced and promoted, and the technical problem of excessive growth of tomatoes in an artificial light environment can be effectively solved.

The invention discloses a collaborative light regulation and control decision method and system, and relates to the technical field of intelligent regulation and control of plant factory light environments, and the system comprises a plant physiology monitoring unit which is provided with a non-invasive microelectrode array and a hyperspectral imager; and the environment sensing unit is used for collecting illumination intensity, spectrum, temperature, humidity and carbon dioxide concentration data. According to the collaborative light regulation and control decision-making method and system, fusion of multi-source heterogeneous data is realized through a pulse time sequence coding mechanism, and the problem that environmental parameters and plant physiological statuses are difficult to collaboratively analyze in the prior art is solved; based on a dynamic optimization architecture of double-alliance Nash equilibrium, autonomous collaborative decision-making of spectrum parameters can be completed in a short time, and compared with a traditional preset light formula, the response speed is improved; decision effectiveness can be synchronously guaranteed on the virtual model and biological entity level, the light suppression misjudgment rate is reduced, and meanwhile the plant light energy utilization rate is stably improved.

The utility model discloses a plant factory with a ventilation side wall, which comprises a box body, at least one group of cultivation module is arranged in the box body, and each group of cultivation module comprises a plant cultivation frame, a ventilation side wall and a plurality of separators; the plant cultivation frame comprises a plurality of layers of plant cultivation plates for placing cultivation containers; the ventilation side wall is arranged on one side of the plant cultivation frame and is perpendicular to the plant cultivation plates. One end of each separator is mounted on the ventilation side wall, and the other end of each separator is propped against one side end part of the plant cultivation plate; the adjacent plant cultivation plates are matched with the upper partition pieces and the ventilation side walls to form a plant cultivation area with one side closed. Through the arrangement of the separators, the ventilation side walls and the plant cultivation plates, the plant cultivation areas with one sides closed are defined, the air supply structure can guarantee the uniformity of the environment of all the plant cultivation areas under the low ventilation quantity, then the energy consumption is reduced, the wind stress of plants close to the air supply outlet is reduced, and the growth speed, yield and quality of the plants are guaranteed.

The invention relates to the technical field of water-soluble fertilizers, in particular to a water-soluble organic fertilizer and a preparation method and application thereof.The water-soluble organic fertilizer is prepared from, by mass, 40-100 parts of basic organic raw materials, 5-15 parts of microbial fermentation additives, 10-20 parts of nutrient element supplements and 3-7 parts of synergists; the microbial fermentation additive comprises a compound microbial agent and a microbial growth carrier, the nutrient element supplement comprises a nitrogenous fertilizer, a phosphatic fertilizer, a potash fertilizer and medium trace elements, and the synergist comprises fulvic acid and alginic acid. According to the water-soluble organic fertilizer and the preparation method and application thereof, efficient utilization and accurate supply of nutrients are achieved, the growth requirements of crops in plant factories are met, meanwhile, resource utilization of organic waste is promoted, and sustainable development of the plant factories is promoted.

The invention provides an intelligent thermal management control system for a plant factory, which is characterized in that a target heat source is embedded in an interlayer space between a wall body and a roof of the plant factory by adopting external modularization, and is tightly attached to a heat dissipation substrate on the inner wall of an interlayer through heat conduction silica gel; the other side in the interlayer space is composed of a strip-shaped guide vane array with an adjustable inclination angle, ventilation and heat dissipation holes leading to the outside are formed in the top of the interlayer, and the strip-shaped guide vane array and the ventilation and heat dissipation holes are driven by a servo motor; collecting heat source temperature, environment parameters and crop canopy phenotype data in real time; and according to the received heat source temperature, environment parameters and crop canopy phenotype data, a self-adaptive environment regulation and control scheme is constructed through a reinforcement learning algorithm, and the blade inclination angle of the strip-shaped guide blade array, the operation frequency of the axial flow fan and the power of the heat pump are dynamically adjusted based on the environment regulation and control scheme. Therefore, the energy efficiency bottleneck of a split type heat dissipation framework can be broken through, and the problem of high energy consumption caused by heat dissipation of the LED driving power supply is solved; meanwhile, the thermal inertia defect of a phase change / fluid system is overcome, and the thermal management efficiency is improved.

The utility model discloses an integrated environment control device for a plant factory, which relates to the technical field of plant factories and comprises a machine body, a heat exchanger group and a circulating flow channel group. According to the technical scheme, the heat exchanger set is arranged in the circulation channel, when the fan wall outputs power and extracts gas in the plant factory, and the gas passes through the heat exchanger set, liquid in the gas is liquefied and dehumidified through the temperature difference of the heat exchanger set, and dehumidification is achieved. And in the refrigerant circulation process, the temperature of the dehumidified and cooled gas can be heated again and is sent back into the plant factory, so that dehumidification and temperature adjustment control over the environment of the plant factory is achieved, negative pressure can be formed in the air flue when the fan wall works, external fresh air can enter the circulation channel through the air flue, and therefore the temperature of the plant factory can be controlled. And the dehumidifier, the air conditioning equipment and the fresh air machine are integrally designed, so that the temperature and humidity adjusting cost of the plant factory is greatly reduced.

The invention discloses a ginseng seedling water culture system and a ginseng seedling water culture method. The ginseng seedling water culture system comprises a field planting plate unit, a water culture box, a time controller, a cooling-water machine and a liquid storage box body, the method comprises the following steps: selecting 2-4-year-old ginseng seedlings which are free from plant diseases and insect pests and are large and robust in spores, cleaning impurities such as soil on the ginseng seedlings, which are not beneficial to water culture, by using clear water, then disinfecting and airing surface moisture, enclosing the non-damaged ginseng seedlings by using a planting sponge block, and placing the non-damaged ginseng seedlings on steps in planting square holes of a planting plate unit for planting, after the field planting plate units are placed on the field planting plate frame strips, water planting can be started under the cooperation of sunlight or LED illumination. The water planting device has the advantages that the temperature and element components of the nutrient solution in the water planting box can be adjusted at any time, the nutrient solution is circulated in a liquid supply intermittent circulation mode, sufficient dissolved oxygen of the nutrient solution can be kept, root systems of ginseng seedlings do not decay and continuously take roots and germinate, and healthy growth of fresh and alive ginseng with leaves is promoted. The water culture facility is easy to copy, and intelligent batch production of ginseng seedling water culture plant factories can be achieved.

The invention discloses a facility fruit and vegetable laser light supplementing system and a light supplementing evaluation method thereof, relates to the technical field of light supplementing evaluation, and solves the problems that the light energy utilization rate of a traditional LED light supplementing system is low, and an existing laser light supplementing system lacks a real-time monitoring means and a scientific evaluation mechanism in the light supplementing process. The facility fruit and vegetable laser light supplementing system comprises a sensor module, a central processing unit, a laser light source adjusting module, a spectrum adjusting module, an environment regulation and control module, a power module and a wireless communication module. The facility fruit and vegetable laser light supplement evaluation method is constructed through the steps of arranging and installing a sensor module, processing, analyzing and comparing data collected by a sensor, starting a regulation and control module to carry out environment regulation and control, regularly detecting fruit and vegetable growth index data, promoting action index judgment, improving measures and the like. The method can be applied to various facility agriculture scenes such as greenhouses, plant factories, phytotron, three-dimensional cultivation systems and the like, and has remarkable popularization value and industrial application prospect.

The application discloses a kind of based on selective spectral regulation agricultural photoelectric conversion film synthesis method and application, belong to the cross field of agricultural technology and new energy.It is quantum dot as core spectral selective absorption material in the synthesis method, by the standardization steps of substrate pretreatment, transparent electrode preparation, photoelectric conversion layer coating, quantum dot layer integration, back electrode evaporation and packaging, the functional film comprising "substrate-transparent electrode-photoelectric conversion layer-quantum dot spectral selective absorption layer-back electrode" is prepared.The quantum dot layer can efficiently absorb the ultraviolet light, green light and near-infrared light with low photosynthesis utilization rate of plant, and energy is transferred to photoelectric conversion layer to realize power generation;At the same time, the transmittance of blue light and red light necessary for plants is greater than or equal to 85%.The synthesis process of the application has strong compatibility and high repeatability, solves the contradiction between power generation and planting in traditional "agri-photovoltaic", realizes light energy hierarchical utilization and agri-photovoltaic synergy, and can be widely applied to greenhouse, greenhouse, plant factory and other agricultural facilities cover.

The invention belongs to the technical field of plant cultivation, and particularly relates to a plant factory breeding method of virus-free strawberry seedlings, which comprises the following steps: 1, producing breeder's seeds: performing stem tip detoxification on strawberry seedlings, and performing breeder's seed hardening and rooting; 2, breeder seed propagation: transplanting the breeder seeds into a plant factory, and carrying out breeder seed propagation; and 3, producing commercial seedlings: transferring the second-level seedlings into a seedling raising area, and carrying out large-scale breeding. In the breeding process, a phenotype recognition system based on image recognition and artificial intelligence analysis is introduced, and morphological characteristics of strawberry seedlings are dynamically monitored and digitally analyzed. The method has good replicability and generalization performance, industrialization promotion can be achieved, subjective errors caused by manual visual inspection grading are avoided through phenotype recognition, and grading consistency and efficiency are improved; data support is provided for subsequent breeding, disease and pest monitoring and accurate seedling raising; the system is linked with an environment monitoring system, and an intelligent seedling raising system integrating seedling condition, environment control and management can be constructed.

The present application relates to the technical field of solution detection, and in particular to a solution ion content automatic monitoring system based on the Internet of Things, comprising: a camera module for collecting plant image data of cultivated plants in a plant factory; a selection module for traversing the plant image data collected by the camera module and selecting a local area in the plant image data as a monitoring target area for this system run; a sampling module for receiving the monitoring target area selected by the selection module and sampling the solution of the cultivated plants in the monitoring target area; the present application analyzes the growth of the cultivated plants by image collection of the cultivated plants, selects two positions with the best and worst growth states as the nutrient solution sampling positions, samples the nutrient solution, further analyzes the health state of the nutrient solution based on the set nutrient solution monitoring state analysis logic, and monitors the safety of the nutrient solution used for the cultivated plants according to the continuously analyzed nutrient solution health state.

The invention provides a plant phenotype detection method and device for a vertical planting mode of a plant factory, and the method comprises the steps: scanning a target space environment, and obtaining an occupied grid map; the occupied grid map comprises area type information and multi-layer planting frame position information; determining to-be-detected sites and phenotype detection operation of to-be-detected planting pots on each layer of planting frame based on the position information of the multiple layers of planting frames; based on the region type information, controlling a phenotype detection terminal to move towards the to-be-detected site; under the condition that the phenotype detection terminal moves to the to-be-detected site, the phenotype detection terminal is controlled to execute phenotype detection operation on the to-be-detected planting pot, and a phenotype detection result is obtained. According to the invention, by positioning the spatial position of each planting pot on each layer of planting rack, the phenotype detection terminal is guided to move the to-be-detected planting pot to the detection environment, phenotype detection is carried out on the plant in the planting pot, and the accuracy of plant phenotype detection is improved.

The utility model discloses an intelligent temperature and humidity control adjusting device for a plant factory, which belongs to the technical field of agriculture and comprises a box body, a control panel is mounted on one side of the box body, a temperature and humidity sensor body is mounted on one side of the top of the box body, the intelligent temperature and humidity control adjusting device further comprises a fan, and the fan is fixedly mounted on one side, adjacent to the control panel, of the box body. The fan is fixedly connected with one end of the first pipeline, the other end of the first pipeline is fixedly connected with one side of the warm air cover, and cooling fins are fixedly installed in the warm air cover. The fan, the warm air cover, the humidifying cover and other structures are integrated in the box body, the structure is simple, convenience and practicability are achieved, the temperature and humidity in a plant factory can be regulated and controlled, most structures of the device are integrated in the box body, the size is small, installation is rapid, meanwhile, flexible transition is facilitated, use in local areas in a greenhouse is facilitated, and the use cost is reduced.

The utility model relates to the technical field of plant planting, in particular to a germination accelerating and seedling raising container and a container type plant factor.The germination accelerating and seedling raising container comprises a first box body, a cultivation tank transfer trolley, a first cultivation frame, a cultivation tank and a first cultivation tank lifting device, and the first cultivation frame, the cultivation tank and the first cultivation tank lifting device are all located in the first box body; the cultivation tank transfer trolley is used for being arranged at the position, close to the first inlet and outlet, in the first box body, the first cultivation tank lifting device is arranged close to the first cultivation frame, and the cultivation tank is used for being arranged on the first cultivation frame. The utility model aims to provide a germination accelerating and seedling raising container and a container type plant factory aiming at at least one technical problem related in the background technology.

The invention discloses a modular detachable plant factory integration system based on idle buildings, and mainly relates to the field of plant factories. Comprising an intelligent temperature and light control system as well as lighting equipment and heating equipment which are matched with the intelligent temperature and light control system for use, and further comprises a planting frame, a plurality of planting modules are detachably arranged on the planting frame, a water storage tank is arranged at the bottom of the planting frame, and a water supply pipe and a water drainage pipe are arranged on two sides of the planting frame respectively; the water supply pipe and the water drainage pipe are communicated with the two sides of the water storage tank respectively, and a water pump connected with the water supply pipe is arranged in the water storage tank. The system has the advantages that idle buildings are directly transformed for use, factory building cost is saved, the utilization rate of the idle buildings is increased, the planting grooves and the planting frames are detachably connected, a modular structure is achieved, flexibility is better, nutrient solution is directly sprayed to roots of plants, the utilization rate of the nutrient solution is increased, and the system is convenient to use. And the cost is further saved.

The utility model discloses a closed-loop reverse operation system, and belongs to the technical field of agricultural planting. The closed-loop reverse rotation type operation system comprises a closed annular layer composed of a plurality of fan-shaped operation areas, a circulating lifting assembly is arranged in the center of the annular layer, a plurality of planting towers are distributed in the circumferential direction of the annular layer at equal intervals, and the planting towers rotate and revolve around the circulating lifting assembly; the operation face of the autorotating planting tower can completely pass through a single operation area, the operation directions of the first collecting track and the second collecting track are opposite to the revolution direction of the planting tower, the first collecting track and the second collecting track are communicated with the planting tower and the circulating lifting assembly, and the second collecting track comprises a collecting track and a harvesting track. The collecting rail and the first collecting rail are located on the same side and provided with a collecting part; the double tracks are matched with the manipulator to form efficient problem plant treatment, fruit harvesting and plant supply, and planting, maintenance and harvesting circulation of a plant factory can be automatically completed.

The invention relates to the technical field of facility agriculture and environment control, and discloses an intelligent illumination control system for greenhouse plant growth. In order to solve the problems that an existing light supplementing strategy lacks physiological feedback, light damage is easily caused, and shutdown is caused by sensor faults, the system comprises a multi-mode sensing assembly, a central processing unit and a dynamic spectrum execution assembly. The system collects crop non-photochemical quenching coefficients (NPQ) and environmental factors in real time, and dynamically calculates light saturation points by using a multi-factor coupling model; when the NPQ exceeds a threshold value, the spectrum ratio is automatically adjusted to inhibit light stress; three-dimensional canopy scanning is combined to realize gridding differentiation light supplement; when the sensor fails, virtual parameters are reconstructed based on the temperature trend to maintain fault-tolerant operation; in addition, the system estimates stomatal conductance according to air humidity and matrix conductivity, and dynamically corrects target light intensity to avoid aggravation of water deficit; accurate light supply according to needs is achieved, the photosynthetic efficiency and the system reliability are remarkably improved, and the system is suitable for plant factories and multi-span greenhouses.

The invention relates to the technical field of plant factory plant growth environment control, in particular to a plant factory plant growth environment control system based on deep learning. The system comprises a data acquisition unit, a state aggregation unit, a low-frequency strategy unit, a cross-scale coupling unit and a high-frequency control unit. According to the system, data of high-frequency environment, low-frequency plants and the like are collected, the core of the system is that a low-frequency strategy unit calculates probability distribution of future key development nodes through a time sequence prediction network, and predictive induction intensity is calculated through a cross-scale coupling unit; the high-frequency control unit takes the intensity as a dynamic weight, a reward function of dynamic weighting is solved by combining a deep reinforcement learning model, and a final action is generated; the conflict problem that a short-term operation target and a long-term growth target in a plant factory are difficult to cooperate is solved.

This invention provides a comprehensive energy-saving system and control method for plant factories, comprising: a liquid CO2 energy storage and release subsystem for compressing and storing gaseous CO2 generated in the plant factory into liquid CO2 and controlling the release of the liquid CO2; a refrigeration subsystem for vaporizing the liquid CO2 released by the liquid CO2 energy storage and release subsystem to obtain CO2 gas; an electricity generation system for expanding the vaporized CO2 gas to generate electricity for use in the plant factory; and a CO2 gas supply and recovery subsystem for processing the generated CO2 gas and transporting it to the plant cultivation area of ​​the plant factory, and recovering the CO2 gas that is not absorbed and utilized by the plants. This invention reduces the operating cost and energy consumption of plant factories.

The invention discloses a method for regulating and controlling coloring of strawberry fruits in a plant factory, and relates to the technical field of strawberry breeding, a plurality of vertically arranged planting racks are arranged in the plant factory, each planting rack comprises a plurality of planting layers distributed in the height direction, strawberries are planted on each planting layer, and each planting layer is provided with a plurality of planting holes; according to the method, when a preset growth cycle of strawberry fruits is entered, based on a preset ultraviolet light source, the strawberry fruits in each planting layer are subjected to ultraviolet light supplementing treatment, so that red strawberries are obtained when the strawberry fruits are mature; due to the fact that the ultraviolet light sources are arranged on the two sides of the planting frames, the irradiation directions of the ultraviolet light sources are the directions where the strawberry fruits in the planting layers are located, directional and local optical signal input is carried out on the strawberry fruits in the preset growth period, the strawberry fruits in the planting layers can obtain sufficient and effective coloring stimulation, and the quality of the strawberry fruits is improved. Therefore, due red color is presented when the strawberries are mature, and the problem of fruit coloring obstacles existing when the strawberries of specific varieties are planted in a closed plant factory can be solved.

The invention relates to a plant genetic engineering technology, in particular to a method for producing insect pheromone precursor substances in soybeans. Specifically, transgenic soybeans for expressing exogenous calyx flower plant thiolipase and insect desaturase are obtained through a genetic engineering technology, the transgenic soybeans can synthesize insect pheromone precursor substance cis-11-hexadecenoic acid, and therefore the biological efficiency and feasibility of plant factory pheromone production are proved. Furthermore, as the soybean is used as an oil crop with high acre yield, the soybean naturally contains high-content palmitic acid (C16: 0), the acre yield of the insect pheromone precursor substance cis-11-hexadecenoic acid is predicted to be far higher than that of other plants, and the plant is an ideal biological factory for mass production of the insect pheromone precursor substance cis-11-hexadecenoic acid.

The invention discloses a plant factory spectrum dynamic generation method, and belongs to the technical field of plant factories. A plant factory spectrum dynamic generation method comprises the steps that S1, a target spectrum is determined, and the target spectrum is determined by a scientific research or production target; s2, decomposing and analyzing the target spectrum to obtain one or more peak values; s3, according to the peak value and a stored LED light emitting characteristic database, determining the type of the LED lamp beads forming the target spectrum; s4, according to the target intensity of each spectrum in the target spectrum, the corresponding maximum intensity in the system and the total light intensity, the control quantity of each LED lamp bead is calculated; s5, controlling a corresponding hardware circuit through a software instruction, and driving an LED lamp bead to output a target spectrum; the invention aims to solve the problems that in the prior art, the spectrum of a traditional lamp is fixed, different types of lamps need to be replaced if the spectrum needs to be adjusted, the operation is tedious, the cost is high, and the dynamic and rapid spectrum adjustment requirement is difficult to meet.

This invention discloses an AIoT-based containerized modular intelligent sprout cultivation device. The device collects environmental data in real time through multiple sensors deployed within the container, which is then uploaded to the platform layer via an edge computing gateway. The platform layer uses an LSTM predictive control module to analyze the data, predict environmental trends, and generate optimized environmental control and growth agent dispensing strategies, which are then sent to the edge gateway to drive actuators. Simultaneously, an intelligent circulating water system integrates multi-stage treatment and recycling devices to achieve efficient water resource recycling. This invention solves the problems of lagging environmental control, low resource utilization efficiency, and poor coordination among subsystems in existing plant factory systems through integrated closed-loop intelligent regulation of sensing, prediction, and control, achieving precise and automated management of the entire plant growth cycle.

The present application belongs to the field of ventilation system, and provides a plant factory air supply pipeline, return air pipeline, ventilation pipeline and ventilation system, and the technical scheme is as follows: a cultivation plate with multiple plant planting baskets is placed on each layer of plant planting frame, an air supply pipeline is laid below each layer of cultivation plate, a plant growth LED lamp is arranged above each layer of cultivation plate, and a return air pipeline is laid above the plant growth LED lamp; the air supply pipeline and the return air pipeline both adopt a bionic structure, each stage of pipeline is connected with the next stage of pipeline with multiple branches, the air supply pipeline comprises a side air supply port and an upper air supply port, the upper air supply port is located above the last stage of air supply pipeline and uniformly supplies air upward, the side air supply port is located on both sides of the last stage of air supply pipeline and supplies air to the bottom of the planting basket, the return air pipeline comprises multiple return air ports, the return air ports are located below the last stage of return air pipeline and return air, and air flow formed among the side air supply port, the upper air supply port and the return air port passes through the plant growth LED lamp to realize air supply and cooling.

The invention relates to the technical field of agricultural cultivation, and discloses a plant factory seedling raising-based stage irrigation control system, which comprises a cultivation unit, a control unit and a control unit, a spraying unit; the spraying unit is used for spraying crops in the cultivation unit; the drip irrigation unit is used for performing drip irrigation on the crops in the cultivation unit; a thermal imaging unit; the thermal image acquisition unit is used for acquiring thermal images of the cultivation units; the control unit is used for instructing the thermal imaging unit to acquire a subsequent thermal image time sequence of the cultivation unit; calculating a root activity index for the cultivation unit; and whether the irrigation mode of the cultivation unit is switched from the spraying state to the drip irrigation state is determined. According to the method, the root activity of each seedling is quantified through the thermal imaging unit, and an independent asynchronous irrigation switching decision is made accordingly. Therefore, it is ensured that spraying of each seedling is changed into drip irrigation at the optimal node of physiological development of the seedling, the defect of unified switching is overcome, and the seedling uniformity and the final quality are improved.

The utility model provides a special cultivation frame for hydroponic strawberries in a plant factory, which relates to the technical field of cultivation equipment, and comprises a frame body assembly, the frame body assembly comprises a plurality of cultivation frame bodies and two guide rails arranged in parallel, and the plurality of cultivation frame bodies are arranged on the guide rails in a sliding manner; the cultivation frame body is sequentially provided with four sets of cultivation groove assemblies at intervals from top to bottom, the four sets of cultivation groove assemblies are connected through conveying pipelines, each cultivation groove assembly comprises a first cultivation groove and a second cultivation groove, a connecting pipe is arranged between each first cultivation groove and the corresponding second cultivation groove, and an L-shaped water level adjusting pipe is rotationally arranged in each first cultivation groove; the L-shaped water level adjusting pipe is communicated with the connecting pipe, the L-shaped water level adjusting pipe is rotationally arranged in the second cultivation tank, and the L-shaped water level adjusting pipe is connected with the input end of the conveying pipeline; cover plates are arranged on the first cultivation groove and the second cultivation groove, and cultivation holes are formed in the cover plates.

The utility model discloses a kind of strawberry plant factory three-dimensional soilless strawberry cultivation frame, including hydroponic box, the upper portion of the hydroponic box is provided with planting frame, the through slot is set on the planting frame, the through slot is provided with planting plate, the sidewall of the planting plate is set with a plurality of planting device, the sidewall of the planting frame is set with two limiting devices, the top of the greenhouse at corresponding position is vertically fixedly connected with two fixed columns downwards, the sidewall of the hydroponic box and the sidewall of planting frame are all fixedly connected with connecting plate, the sidewall of two the connecting plate is all set with positioning device with the through. The utility model has the benefit that operator can replace water sample at any time, clean inside dirt conveniently, and flush rhizome conveniently.

A condition presentation device may include a condition receiving unit that receives conditions of harvest time and yield to be satisfied by plants cultivated in a plant factory. The condition prompting device can comprise a prompting unit and a condition prompting unit, on the basis of environmental control condition information indicating environmental control conditions, and growth period and yield of the plant and quality of the plant when an environmental control apparatus controls an environmental state in the plant factory according to the environmental control conditions, at least one environmental control condition candidate satisfying the conditions, and the environmental control conditions and an environmental control condition indicating a control condition of the environmental control device that controls the environmental state in the plant factory. The condition presentation device may include a selection receiving unit that receives a selection of the environmental control condition from the at least one environmental control condition candidate for control of an environmental state by the environmental control device of the plant factory.

The application provides a water planting frame for an agricultural and photovoltaic integrated plant factory, which comprises a bearing frame used for mounting a water planting tank, a plurality of bearing frames are arranged along a plurality of columns of a photovoltaic support, one end of the bearing frame is connected with the column through at least two corner brackets, the other end of the bearing frame is provided with a support rod which is inclined to the direction of the column, and the water planting tank is fixed on the bearing frame. The corner brackets are in a "V" shape or a "U" shape when viewed from above, the opening of the corner bracket is used for accommodating the column, the two corner brackets are apart from each other in height, the two corner brackets are fixedly connected with a vertical rod, one end of a horizontal rod is fixedly connected with the vertical rod, and the other end of the horizontal rod is fixedly connected with the support rod; when each corner bracket is in contact with the column, the included angle between the support rod and a vertical plane is 3°-45°; a supporting leg is arranged at the bottom of the support rod and is pressed into the ground. Through the above structure, the construction efficiency is very high, and since the connection structure is less, the conventional screwing bolts and welding processes are not needed, and the construction efficiency is greatly improved.

The application relates to an adjustable hydroponic nutrient solution circulation system for a plant factory, which comprises a water feeding system, a cultivation rack, a drainage system and a supply system, the water feeding system is connected with each cultivation pipe through an intermediate water feeding pipe provided with a water feeding control valve; the drainage system is connected with the end of each cultivation pipe through a drainage branch pipe provided with a drainage hole control valve, so that rapid water drainage is realized; the water feeding system has the functions of water feeding and water drainage, and water feeding or the drainage system can be freely selected according to different growth periods of plants. The application has the effects of adjusting the liquid flow pressure and speed in the cultivation pipe and guaranteeing sufficient supply of required nutrient components and dissolved oxygen for plants.