38results about How to "Guaranteed irrigation" patented technology

The invention discloses a soilless culture system with a light control water level controller. The soilless culture system comprises a nutrient solution pool, a water pump, a liquid carrying tank and a light control water level controller, wherein the light control water level controller is used for controlling a power supply of the water pump and comprises a power supply circuit, a water level control circuit, a light control circuit, a low water level detection line, a middle water level detection line, a high water level detection line and a relay, the water level control circuit is connected with the power supply circuit, the light control circuit is connected with the water level control circuit, the low water level control line, the middle water level control line, the high water level control line and the relay are connected with the water level control circuit, and the water level control circuit obtains the liquid level height of nutrient solution in the liquid carrying tank by using the water level detection lines and controls the state of the relay through the signal of the light control circuit and the measured water level, so the power supply of the water pump is controlled, the nutrient solution in the nutrient solution pool is pumped into the liquid carrying tank through the water pump, and the liquid carrying tank is provided with a liquid outlet used for flowing back the nutrient solution in the liquid carrying tank into the nutrient solution pool. The soilless culture system with the light control water level controller disclosed by the invention has the advantages that the structure is simple, the performance is reliable, and the normal irrigation of the soilless culture system can be ensured.

The invention discloses a greenhouse with cultivation of tide-type irrigation. Cultivation beds are arranged in the greenhouse and connected with a tide-type irrigation system. The greenhouse has the advantages that fertilizer liquid, a growth regulator and water completely circulates in a closed system, reflux liquid is completely recycled, water saving and high efficiency are achieved, 90% of water can be utilized, no water is drained, and a green and environment-friendly planting technique is achieved; the phenomenon that water films are generated on the plant leaf surfaces is avoided, leaves receive more illumination for photosynthesis, and more nutrients are absorbed from roots through transpiration pull; the relative humidity in air is easy to control, the leaf surfaces are kept dry, and the dosage of chemicals is decreased; coupled with computer control management, more precise irrigation can be achieved according to the plant growth conditions through control devices such as a temperature controller, a humidity detector and a soil detector, it is guaranteed that the plant growth speed is higher, the production efficiency is improved, the plant growth height is uniform, production standardization is achieved, the quality is guaranteed, and the cost is reduced; a steam disinfection device is arranged, therefore, the soil can be disinfected before crops are replaced, and occurrence of pest and disease damage is greatly reduced.

The invention relates to the technical field of irrigation equipment, especially a large-area quantitative irrigation system, including a water storage tank. A water pump is arranged on the left side of the water storage tank. A water inlet pipe is connected, and the right end of the water inlet pipe communicates with the water storage tank, and the lower end of the right side of the water storage tank is fixedly connected with a connecting pipe, and a flow control device is provided on the connecting pipe, and the connecting pipe is fixedly connected There is a filtering device, the right end of the water delivery pipe is fixedly connected with a shunt pipe, the shunt pipe is fixedly connected with multiple delivery pipes, and the left end of the delivery pipe is provided with a flow control device, and the delivery pipe is connected with multiple streets, and the joints The other end is connected with a vegetable irrigation device. The invention can control the water output speed. At the same time, the combination of the flow control device and the delivery pipe can be used for local irrigation or large-area irrigation. Reasonable control of water volume can avoid waste of water resources and is worth popularizing.

The invention discloses an ecological protection control device based on thermal expansion and contraction of gas, and relates to the technical field of ecological environmental protection. The deviceincludes a mounting base, wherein two No. 1 magnetic blocks which are mutually symmetrical are fixedly connected to the right inner wall of the mounting base, and buffer blocks are movably connectedto the right inner wall of the mounting base. According to the ecological protection control device based on thermal expansion and contraction of gas, a part of energy in light is absorbed and transferred to a graphene sheet through heat transfer of a heat conduction column when a solar sheet is irradiated by light through cooperative use of the solar sheet and the graphene sheet, the time for absorbing specified heat depends on the light intensity when the light heat reaches a certain level, therefore, air in the inner cavity of the mounting base is heated, and expands, a piston plate is moved to the right, a No. 1 contact point makes contact with a No. 2 contact point, and an irrigation device is started to irrigate a green belt, so that a control effect is achieved according to the light intensity, irrigation of the green belt is ensured effectively, and the water resource is also saved.

The invention provides a method for cultivating forage rape in the saline-alkali land and belongs to the technical field of saline-alkali land utilization and exploitation. The method comprises stepsthat 1), after the saline-alkali land is ploughed deeply, the land is leveled; 2), forage rape seeds are sown on the flat land of step 1), the seedling water is watered, and the forage rape includes saline-alkaline-tolerant and drought-tolerant forage rape varieties; and 3), after the rape seeds are emerged, field management is carried out, and the rape is harvested in the flowering period. The method is advantaged in that the rape emergence rate is 1.49-2.13 times that of the conventional scheme, and the rape yield is 1.63-2.54 times that of the conventional scheme.

The invention discloses a photovoltaic string cleaning and irrigation integrated device for agriculture and light complementation and a cleaning method; a cleaning water pipe is arranged above a photovoltaic string, the cleaning water pipe is connected with a water tank through a water feeding pipe, and a water pumping motor is arranged in the water tank; a waste liquid collecting tank with a slope is arranged below the photovoltaic string in the length direction of the photovoltaic string, the bottom of the waste liquid collecting tank is connected with a waste liquid storage tank and an irrigation nozzle through a three-way adapter via corresponding electromagnetic valves, and a dust monitor is arranged on the photovoltaic string. And the dust monitor is respectively connected with the water pumping motor and an electromagnetic valve through a controller. According to the invention, classified cleaning of pollutants in the photovoltaic string can be realized, and the cleaning effect is good; secondary utilization of wastewater for agricultural irrigation can be realized, and energy conservation and environmental protection are realized; the integration level is high and installation and use are convenient.

A river channel slope protection green belt comprises first embankments located on two sides of a riverbed. A first embankment slope extending upwards is obliquely arranged at the top of each first embankment; a second embankment parallel to one first embankment is arranged at the top of each first embankment slope; a second embankment slope extending upwards is obliquely arranged at the top of each second embankment; a water storage tank is arranged at the top of each second embankment slope; stone steps are arranged on the first embankments and the second embankments; civil cloth is laid onthe first embankment slopes and the second embankment slopes; planting grooves which are evenly distributed are formed in the civil cloth; the height of the stone steps is not greater than that of theplanting grooves; and the planting grooves are fixed through fixing pieces. The planting grooves are convenient to distribute and implement, the structure is stable, the planting grooves can be stably fixed to slopes, in addition, water can be conveniently taken for irrigation from top to bottom through an arranged water storage tank irrigation system, water resources are saved, and plants can benursed through the stone steps and the steps on the embankments.

The invention discloses an irrigating fertilizer feeding and guiding mechanism for crops, and specifically belongs to the field of agricultural machinery equipment. The irrigating fertilizer feeding and guiding mechanism comprises a material mixing and storing tank and a pushing handle, wherein a quantity-control telescopic tank is fixedly mounted at the top of the material mixing and storing tank, a fixed seat is fixedly mounted at the bottom of an inner cavity of the quantity-control telescopic tank, a two-way telescopic device is fixedly mounted at the top of the fixed seat, and a control line is fixedly connected to the top of the two-way telescopic device. By arranging a guiding quantity-control mechanism capable of simultaneously controlling the quantity of the mixed fertilizer during irrigation, the problems that the planting area during agricultural planting is too large, the quantity of the fertilizer cannot be precisely controlled during preparation of the fertilizer, too much or little fertilizer is processed, wasting is caused due to too much fertilizer and the irrigation efficiency is influenced due to too little fertilizer are solved, the wasting problem caused due totoo much fertilizer is solved, and the problem that the irrigation efficiency is influenced due to too little fertilizer is solved, so that uniform mixing and irrigation of the fertilizer are guaranteed.

An embodiment of the invention relates to the technical field of agriculture and discloses an automatic irrigation control method, a server and a computer readable storage medium. The automatic irrigation control method comprises following steps executed in the first time period: accumulating radiation cumulant and performing timekeeping; starting irrigation when the radiation cumulant reaches a first radiation threshold, and starting irrigation when timing duration reaches a first preset duration if the irrigation is not started in the first preset duration; controlling the radiation cumulantand the timing duration to return to zero after irrigation, and accumulating the radiation cumulant and performing timekeeping again; stopping the irrigation process of the first time period at a preset moment before sunset. According to the automatic irrigation control method, the server and the computer readable storage medium, reasonable irrigation for crops is realized, resource waste causedby excessive irrigation is avoided, and the irrigation amount can meet the growth demand of the crops.

The invention discloses a soilless culture system with a water level controller. The soilless culture system comprises a liquid supply pool, a water pumping machine, a culture container and the water level controller, wherein the water level controller is used for controlling a power supply of the water pumping machine, the water pumping machine pumps nutrition solution in the liquid supply pool into the culture container, the culture container is provided with a liquid outlet used for flowing back nutrition solution in the culture container back into the liquid supply pool, the water level controller comprises a power supply circuit and a control circuit connected with the power supply circuit, the power supply circuit comprises a transformer and a rectifying circuit, the transformer is connected with a power supply, the rectifying circuit is connected with a secondary winding of the transformer, the control circuit comprises a relay, an NE555 chip, a high-water-level detection line, a middle-water-level detection line and a low-water-level detection line, the relay is used for controlling the power supply of the water pumping machine, the NE555 chip is used for controlling the relay, the high-water-level detection line, the middle-water-level detection line and the low-water-level detection line are arranged in the culture container and are connected with the NE555 chip, the output end of the rectifying circuit is respectively connected with the water-level detection lines, the output end of the rectifying circuit is also connected with a fourth pin and an eighth pin of the NE555 chip, a first pin of the NE555chip is grounded, a third pin of the NE555 chip is connected with a light emitting diode and is grounded, and the relay is connected with a primary winding side of the transformer.

The invention discloses winter antifreezing intelligent seedling raising equipment. The equipment comprises a box body and a water tank, the water tank is located on the box body, a water supplementing port is formed in the top of the water tank and internally provided with a solenoid valve, and a plurality of electric heating pipes are arranged at the lower portion of the interior of the water tank on the same horizontal plane at equal intervals; according to the equipment, a plurality of seedling raising grooves are formed in a main rotating shaft, irrigation work is conducted through a front irrigation pipe and a rear irrigation pipe, so that during the work of raising seedlings, a lot of space can be saved, and sufficient irrigation is ensured; overflow water during the irrigation returns into the water tank again for use through a circulating pipe and a circulating pump, electric heating pipes conduct heating when the water temperature is low, and the seedlings are prevented fromsimulation of cold water; through the arrangement of a water level controller and a sensor, automatic water supplementation operation at lower water level is automatically completed, and potential safety hazards possibly caused by dry heating of the electric heating pipes when the water amount is too low can be effectively avoided.

The invention relates to the technical field of bridge engineering, and particularly relates to a rapid water diversion device for bridges and culverts. The rapid water diversion device comprises a bridge and culvert water diversion mechanism, a first motor and a second motor, wherein the bridge and culvert water diversion mechanism comprises a bridge and culvert main body; a filter screen is fixedly connected to the front surface of the bridge and culvert main body; a working bin is formed in one side of the interior of the bridge and culvert main body; the first motor is arranged in the working bin; a water diversion rotating rod is arranged in the bridge and culvert main body; fan blades are uniformly and fixedly connected to the surface of the water diversion rotating rod; and a control panel is fixedly connected to the front surface of the bridge and culvert main body. According to the rapid water diversion device, in the farmland irrigation stage, the flowing of water flow can be accelerated, the efficiency of irrigating farmland by a user is improved, the user can scrape off sundries such as branches and garbage attached to the surface of the filter screen when needed, so that the sundries such as the branches, fallen leaves and the garbage are prevented from being blocked in a water diversion canal and entering the farmland, and the garbage in the water diversion canal can be conveniently salvaged and cleaned.

The invention discloses a road surface runoff purification system. A water-permeable asphalt road surface is paved on a water-impermeable road surface layer; the upper end of a side slope pebble water-permeable layer is connected with the water-permeable asphalt road surface; a first gravel slightly water-permeable transition layer is paved above and a second gravel slightly water-permeable transition layer is paved below the side slope pebble water-permeable layer; the second gravel slightly water-permeable transition layer is paved on a water-impermeable clay layer; a planting soil layer added with an active adsorbing substance is paved on the first gravel slightly water-permeable transition layer; the side slope pebble water-permeable layer is connected with a drainage ditch through a second drainage pipe and a water-permeable cofferdam; the drainage ditch is made of a water-impermeable material and is connected with a ditch wetland through a third drainage pipe; and the water outlet end of the ditch wetland is provided with a fourth drainage pipe. The road surface runoff purification system can collect and preliminarily purify freeway road surface runoff and perform secondary deep purification on the road surface runoff through the ditch wetland.

The invention discloses a water feeder, in particular to a water feeder for farm irrigation. The water feeder comprises a pipe body fixed on a farmland irrigation pipe mesh, a pipe joint fixedly connected with the pipe body, a sliding block for sealing the pipe joint, and a water discharge pipe, wherein an inner taper sleeve is fixed on the inner wall of the pipe body, the inner wall of the innertaper sleeve is axially provided with a guide rail for the sliding block sliding vertically, the water discharge pipe comprises an outlet pipe and a socket pipe, the outlet pipe is communicated the inner cavity of the socket pipe, the socket pipe passing through the pipe joint pushes the sliding block to move downwards, and the cannula is detachably connected to the pipe joint. The water feeder for farm irrigation has the advantages that the structure is simple, the use is convenient, the water flow under the premise of ensuring irrigation can be effectively controlled, and the damage of the irrigation pipe mesh is avoided.

The invention discloses a landscaping water-saving spray head based on thermal expansion and cold contraction. The landscaping water-saving spray head comprises a mounting box, a graphene cylinder isfixedly connected to the rear portion of an inner cavity of the mounting box, a spring is fixedly connected to the circular inner wall face of the graphene cylinder, a switch mechanism is fixedly connected to the front end of the spring, a connecting mechanism is fixedly connected to the front portion of the inner cavity of the mounting box, supporting frames are fixedly connected to the left portion and the right portion of the upper end of the mounting box, the upper ends of the two supporting frames are jointly and fixedly connected with a connecting frame, a solar panel and two heated sheets are fixedly connected to the connecting frames in a clamped mode, heat conducting sheets are movably connected into the two supporting frames in a penetrating and inserting mode, a mounting frame is fixedly connected to the left end of the mounting box, and an electromagnetic valve is fixedly connected into the mounting frame in a clamped mode. According to the landscaping water-saving spray head based on thermal expansion and cold contraction, the effect of controlling according to the illumination intensity is achieved, greening irrigation is effectively guaranteed, and meanwhile water resources are saved.

The invention discloses a water storage tank for irrigation, belonging to the technical field of irrigation water storage equipment, comprising a tank body and a bottom plate, characterized in that it also includes a top cover, the tank body is in the shape of a frustum of a cone, and the outside of the large cone end of the tank body is A first anti-flange is connected, and a second anti-flange is connected inside the small conical end of the tank body. A first sealing packing layer is arranged between the first anti-flange and the bottom plate, and the second anti-flange is connected to the bottom plate. A second sealing packing layer is arranged between the top covers, the first anti-flange is connected to the bottom plate, the second anti-flange is connected to the top cover, and the top cover, the tank body and the bottom plate form a closed container. The invention can effectively prevent rainwater from mixing into the tank body, ensure the water quality in the tank body, facilitate watering of crops, and realize overlapping shipment of multiple tank bodies, effectively saving transportation costs.

The invention discloses an urban landscaping system. The urban landscaping system comprises a mounting box, wherein a plurality of planting boxes are arranged on the side walls of the two sides of themounting box; a water storage box is arranged on the lower end face of the mounting box; the bottom wall of the mounting box penetrates into the water storage box; a water pump is arranged in the water storage box; a water injection pipe penetrates through the side wall of the water storage box; a plurality of water storage boxes corresponding to the planting boxes are arranged on the two opposite inner walls of the mounting box respectively; irrigation holes penetrate through the side walls of the lower ends, close to the planting boxes, of the water storage boxes; water inlets penetrate through the side walls of the lower ends of the planting boxes; sponge blocks are embedded in the irrigation holes and the water inlets; a water level sensor is arranged on the bottom wall of each planting box; a controller connected with the water level sensors and controlling the water pump to be started is arranged in the mounting box; and a control mechanism for controlling the water pump to be stopped is arranged in the mounting box. The water level sensor and the control mechanism are used for controlling the water pump to be started and stopped, clear water in the water storage box entersthe mounting box, plants in the planting boxes are automatically irrigated through stored water, and growth of the plants is guaranteed.