18results about How to "Improve water use efficiency" patented technology

The utility model relates to the technical field of sand stabilization vegetation deep root irrigation, in particular to a deep root irrigation device for improving the stability of sand stabilization vegetation. The utility model provides a deep root irrigation device for improving stability of sand-fixing vegetation, which can irrigate according to the length of a plant root system, ensure that the plant root system can obtain sufficient water and improve the utilization efficiency of water resources. A deep root irrigation device for improving stability of sand stabilization vegetation comprises a planting surface layer, pipelines and the like, and the pipelines are connected to the upper sides of the left portion and the right portion of the planting surface layer. By adding more water sources, the floating ball moves upwards through the buoyancy of water, the connecting rod, the stop block and the water leakage plate are driven to move upwards, the water seepage holes are blocked through the stop block, water is discharged into the splicing pipe below through the water leakage plate and the water outlet, irrigation can be carried out according to the length of the plant root system, and the irrigation efficiency is improved. It is ensured that the plant root system can obtain sufficient water, and the water resource utilization efficiency is improved.

The invention relates to the technical field of hydraulic engineering, and discloses a hydraulic gate inclination measurement and control device and method. An inclination detector is arranged in the middle of the upper end of a gate body; two-end tensioning assemblies are arranged in open grooves in the two ends of the gate body, and the front sides and the rear sides of the two ends of the gate body are in sliding connection with side edge tensioning sealing assemblies correspondingly. The gate body is further provided with a driving assembly used for driving the two-end tensioning assembly and the side edge tensioning sealing assembly at the same time. When it is detected that the gate body is in an inclined state, the driving assembly drives the two-end tensioning assembly and the side edge tensioning sealing assembly to act. Rubber rollers of the tensioning assemblies at the two ends abut against the side wall of the gate groove to limit left-right inclination of the gate. And rubber blocks of the side edge tensioning sealing assemblies are tightly attached to the side walls of the gate grooves to limit inclination in the front-back direction, so that the gate body automatically returns to the vertical balance state, the gate body is limited from the front, back, left and right directions, the fixing effect of the gate body is further improved, and the stability and safety of gate operation are improved.

The invention relates to the technical field of fire monitors, and discloses a self-swinging fire monitor based on hydraulic drive, the self-swinging fire monitor comprises a monitor body and a base, the monitor body is rotatably mounted on the base, one side of the base is communicated with a fixed shell, a speed reducer is mounted on the fixed shell, and a disc is mounted on the speed reducer; a driving assembly used for driving the disc to rotate is installed in the fixed shell, the circular plate is driven to rotate relative to the disc, the eccentric distance of the sliding column relative to the rotating center is accurately adjusted through the composite guiding and limiting effect of the transverse groove and the semi-annular groove on the sliding column, and then the reciprocating swing angle of the cannon body is changed. The fire strafing range can be flexibly adjusted according to the actual area of a fire scene, water resource waste caused by too large swing during small-area fire extinguishment is avoided, no-missing coverage during large-area fire extinguishment can be ensured, when the sliding column moves to the center position, the fire strafing device is suitable for extinguishment of roadways, long and narrow spaces or fixed-point fire sources, and the fire extinguishing efficiency is improved. And stable direct current coverage or small-amplitude accurate scanning is realized.

This utility model provides a wheat irrigation device, belonging to the field of agricultural irrigation technology. The device is characterized by comprising an irrigation main pipe and a water distribution component. The irrigation main pipe is a hollow water pipe with an inlet connected to the bottom of its side wall and the top connected to the water distribution component. The water distribution component is used to rotate and distribute the water in the irrigation main pipe. The water distribution component includes a water distribution connecting rod and a water distribution turntable. The turntable is a cylindrical structure with a hollow interior, and has outlets on its side wall and bottom. The water distribution connecting rod is located at the center of its bottom. The connecting rod is also cylindrical and its bottom is nested within the inner wall of the top of the irrigation main pipe, rotatably connected to it. The connecting rod has a water distribution structure inside, used to divide the water flow into multiple streams. This utility model requires no additional energy and can irrigate wheat through rotation, facilitating agricultural operations.

The invention relates to the technical field of environment regulation and control, in particular to a plant root domain microclimate environment regulation and control method capable of adaptively regulating moisture and heat, which comprises the following steps: preparing a bionic microelectrode array capable of specifically sensing a root electric signal; constructing an electric signal-chemical signal conversion layer; printing a multi-channel bionic catheter network with a fractal structure and assembling a photo-thermal response micro-valve; and finally, integrating the intelligent microcapsule and the microbial system to form a functional module. According to the method, a signal is efficiently captured through a graphene-membrane protein interface, the signal is converted into a chemical instruction through a ferrocene / heme system, a liquid crystal valve is driven to regulate and control the water and gas flux in a fractal network, and the phase change heat storage and self-repairing functions of microcapsules are combined; an intelligent root domain environment system capable of dynamically responding to plant physiological needs, resisting environmental stress and promoting microbial symbiosis is constructed in a cooperative mode, and the water utilization efficiency and the ecological restoration effect are remarkably improved.

The invention relates to the technical field of landscaping irrigation, and discloses an intelligent water-saving irrigation and regulation device for landscaping, which comprises a frame, a handrail is fixedly mounted on the right side of the upper surface of the frame, a U-shaped block is fixedly mounted on the upper surface of the frame, and a wind-resistant vehicle speed self-adaptive water spraying mechanism is arranged on the upper surface of the frame. According to the intelligent water-saving irrigation and regulation device for landscaping, a spraying rotating mechanism is composed of a moving wheel, a rubber friction wheel, a flywheel, a first belt pulley, a transmission belt, a second belt pulley, a control rod, a centrifugal air damper, a piston rod, a connecting rack, a connecting shaft, a first gear and a second gear; the moving speed of the cart can be steplessly and stably converted into a spraying angle control signal of the spraying head, when the cart moves fast on a wide lawn, the system automatically drives the spraying head to conduct wide spraying, and when the cart enters a narrow flower bed and needs to be decelerated, the system automatically enables the spraying head to be collected to be in a narrow or direct-current state.

This utility model discloses a cultivation device for corn planting, including a water storage tank with a circulating water bed inside. Multiple water flow shells are arranged in the water outlet direction of the circulating water bed, and a cultivation area is set between adjacent water flow shells. The center of each water flow shell is recessed downwards to form a flow channel. Multiple flow channels correspond one-to-one with multiple outlets of the circulating water bed. Multiple permeable holes are formed on the inner wall of the flow channels, penetrating the water flow shells and communicating with the cultivation area. This utility model, through the lateral water delivery design of the water flow shells, allows water to fill the entire cultivation area via the flow channels. The water seeps out through the permeable holes, diffusing from both sides of the cultivation area towards the center through water infiltration, avoiding the problem of soil particles splashing caused by water directly impacting the soil surface from top to bottom in existing irrigation methods.

This invention provides a solar-powered soil warming and air-source water self-irrigation device, belonging to the field of solar thermal utilization technology in agricultural facilities. This device can warm the planting soil when there is solar radiation and achieve air-source water self-irrigation when there is no sunlight. The device includes a solar concentrating unit, an evaporation and condensation unit, and a water collection unit. The evaporation and condensation unit includes a conical evaporation tube with evaporating liquid at the bottom. In use, the bottom of the conical evaporation tube is inserted into the planting soil. The solar concentrating unit is located at the head of the conical evaporation tube to reflect and focus sunlight into the tube. The inner surface of the tube is an internal reflective surface to reflect the sunlight into the evaporating liquid surface at the bottom. The water collection unit is located on the outer wall of the conical evaporation tube above the planting soil to collect condensate from the humid air inside the device, allowing the condensate to converge and flow downwards into the planting soil.

The utility model relates to the technical field of floating seedling raising, and discloses a floating seedling raising box for aquatic vegetable and fruit planting, which comprises a water tank, support plates are fixedly connected to two sides of the top of the water tank, a swing mechanism is arranged outside the water tank and comprises a motor, the outside of the motor is fixedly connected to the outside of the water tank, and the support plates are fixedly connected to the support plates. The driving end of the motor is fixedly connected with a transmission connecting plate, the other end of the transmission connecting plate is fixedly connected with a transmission connecting rod, the outer part of the transmission connecting rod is rotatably connected with a swinging plate, and the inner part of the swinging plate is fixedly connected with a supplementing assembly. The motor drives the transmission connecting plate to rotate, the transmission connecting rod is driven to push and pull the swing plate through the hinge point, the swing plate swings in a reciprocating mode with the fixed rotating shaft as the fulcrum, atomization humidification and dynamic illumination are carried out, the stress resistance of seedlings and the transplanting survival rate are improved, and high efficiency and intelligence are provided for large-scale seedling raising of aquatic vegetables and fruits.

The application relates to the technical field of fruit tree seedling raising, in particular to a fruit tree seedling raising root-limiting container, which comprises a seedling raising container, a non-woven fabric planting inner cylinder and a moisturizing cover body. The seedling raising container is in a cylindrical shape, the bottom of the seedling raising container is provided with a circular-truncated-cone-shaped supporting part, the non-woven fabric planting inner cylinder is arranged in the inside of the seedling raising container and located on the supporting part, the moisturizing cover body is detachably arranged on the top opening of the seedling raising container, and the moisturizing cover body is provided with a seedling passage in the center. A flow guide groove is formed between the supporting part and the sidewall of the seedling raising container, and the supporting part and the sidewall of the flow guide groove are both provided with water seepage holes. The application combines the ventilation at the bottom of the seedling raising container and the moisturizing at the top of the seedling raising container, reduces soil water evaporation, improves water utilization rate, reduces water supplement frequency, guarantees the ventilation at the bottom of the non-woven fabric planting inner cylinder, avoids root system oxygen deficiency and reduces the risk of root rot.

The application discloses a soil and water conservation method for camellia oleifera forest in hilly areas, which comprises the following steps: zoning and land preparation of the forest land in the hilly areas, setting intermittent terraces and original soil belts along contour lines in the slope cultivation area, constructing a soil stabilizing structure and a water seepage buffer layer on the water-facing side of the terraces to reduce erosion and promote seepage, setting a water collecting and releasing ditch in the inner side of the terraces to slow down runoff, setting a soil and water preserving composite layer in the camellia oleifera planting hole, and setting a sand sink in the slope foot water collecting area to recover runoff. The method can weaken the slope runoff scouring by zoning and land preparation of the forest land in the hilly areas and setting intermittent terraces and original soil belts along contour lines in the slope cultivation area. The soil stabilizing structure, the water seepage buffer layer and the water collecting and releasing ditch are combined to realize runoff reduction and water storage. The soil and water preserving composite layer in the camellia oleifera planting hole can enhance the root zone stability and water holding capacity, so that the soil and water loss can be effectively controlled and the water use efficiency can be improved without large-scale hard engineering.

This invention discloses an upward-rotating and downward-rotating spray gun, belonging to the field of agricultural irrigation technology. Based on the original double-rotating spray gun, this invention is optimized for high-sediment-content water environments. It includes: an outer cylinder (1), a central water supply pipe (2), a drive rotating shaft (3), a planetary reduction mechanism (4), a high-speed recoil drive arm (5), and a low-speed spraying arm (6). The improvements are as follows: the base (7) is provided with first and second sealing rings (701, 702) to isolate sand and dust; the upper end face of the base and the central groove are provided with sand discharge holes (703); the lower end of the first water distribution chamber (501) is provided with a double sealing ring layer (504), and the high-speed recoil drive arm at the corresponding position is provided with a debris discharge hole (505); the top of the high-speed recoil drive arm is provided with a sealing thread sleeve (506) to cooperate with the upper sealing ring (507); the inner wall of the central water supply pipe (2) is provided with ribs (202) that have both reinforcement and flow guiding functions; the low-speed spray arm (6) consists of two bifurcated arms of different heights, with nozzles of different sizes installed at angles of 30-38° and 5-20° respectively to balance the reaction force. While maintaining the advantages of the original double swirl field, the present invention significantly improves the anti-clogging ability and operational balance, and is especially suitable for surface water irrigation with high sand content.

The utility model relates to a soil humidity induction type irrigation device which comprises a sleeve, a humidity sensor and a drill bit, a soil penetrating assembly is arranged in the sleeve, a supporting assembly is arranged outside the sleeve, the humidity sensor is arranged in the soil penetrating assembly, and the distance between the humidity sensor and the sleeve is adjustable. According to the soil penetrating device, the technical problems that in the prior art, the drill bit is prone to toppling over under the strong wind force or the soft soil environment, and the drill bit is difficult to replace due to abrasion under the hardened soil or complex geological conditions can be solved.

The application provides a new fan reverse humidification system and method, which solves the problem of poor humidification effect of the humidification system and the like, and comprises a new fan main body, a heat exchange core arranged in the new fan main body, a new air inlet and a new air outlet which are installed on the new fan main body and communicated with the heat exchange core, an exhaust air inlet and an exhaust air outlet which are installed on the new fan main body and communicated with the heat exchange core, a driving mechanism arranged between the exhaust air outlet and the heat exchange core and between the new air outlet and the heat exchange core respectively, and an electric heating humidification mechanism arranged between the exhaust air inlet and the heat exchange core. The application has the advantages of good humidification effect, stable work and the like.

The invention relates to the technical field of environmental sanitation vehicle intelligent control, and discloses a residual operation time prediction control method for an environmental sanitation sprinkler. The method comprises the steps that the rotating speed of a water pump motor is collected in real time through a rotating speed sensor, after time alignment and Kalman filtering preprocessing, a rotating speed-flow mapping table is inquired, and a real-time flow parameter is obtained through linear interpolation; in combination with the state of a spraying branch valve, the instantaneous total flow of the system is calculated through weighted fusion, and stability verification and smooth compensation are carried out; during the effective operation period when the water pump runs and the valve is opened, the accumulated water consumption is calculated according to the instantaneous total flow and the effective operation time, and the remaining water amount is updated in real time; and the sustainable operation time is predicted based on the remaining water amount and the instantaneous total flow, and when the predicted time is lower than a threshold value, low-water-level early warning is triggered, and a shutdown instruction is output. According to the method, the water quantity management precision and the operation safety of the environmental sanitation watering cart are improved, accurate prediction of the remaining operation time is realized, and the utilization efficiency of water resources is improved.

The utility model relates to the technical field of irrigation devices, in particular to an adjustable agricultural water conservancy irrigation device which comprises a base, a water supply pipe is fixed in the base in a penetrating mode and is of an L-shaped structure, one end of the water supply pipe horizontally penetrates through the side wall of the base to be led out, and the other end of the water supply pipe penetrates through the upper end of the base to be led out upwards. According to the scheme, the layered spraying design is adopted, all-directional covering irrigation of the near-end area and the far-end area of a farmland is achieved through the combined arrangement of the far-end nozzles and the near-end nozzles, the water spraying range is more uniform through the symmetrically-distributed spraying pipe structure, the problem of irrigation dead angles existing in a traditional irrigation device is effectively solved, the water resource utilization efficiency is remarkably improved, and the water resource utilization rate is increased. The irrigation device is particularly suitable for irrigation requirements of large-area farmlands, the motor drives the gear transmission system to drive the spray head to rotate and spray, and the water swelling sealing ring and the sliding block stabilizing structure are matched, so that rotating sealing performance and operation stability are guaranteed.

This utility model discloses a water-saving irrigation device for rice cultivation, which includes a main water pipe (1), a pressurized water pump (2), multiple branch water pipes (3), and a controller (4). Each branch water pipe (3) has a water outlet pipe (5) installed at its end, which is vertically positioned in the rice field. Each water outlet pipe (5) has three water injection nozzles installed on it. Each water injection nozzle has a solenoid valve (6) installed on it. Above each water injection nozzle, there is an arc-shaped baffle (7) fixed on the water outlet pipe (5). Each baffle (7) has a soil moisture sensor (8) installed on its top surface. Each solenoid valve (6) and soil moisture sensor (8) is electrically connected to the controller (4). This utility model not only improves water utilization efficiency but also has the advantages of good irrigation effect, good water-saving effect, convenient use, long service life, convenient maintenance, high irrigation rate, simple structure, and high structural stability.

This invention discloses a method for the selection and configuration of Chinese fir (Cunninghamia lanceolata) germplasm that integrates hydraulic structure and resource utilization efficiency, belonging to the field of germplasm selection technology. The method includes: S1, establishing a functional trait database of Chinese fir germplasm based on leaf, wood, root, and hydraulic characteristics of different germplasm sources; S2, constructing a water-carbon efficiency strategy map based on the germplasm functional trait database, and selecting and configuring Chinese fir in different regions based on the water-carbon efficiency strategy map. This invention quantifies the "water consumption-carbon sequestration" trade-off relationship of different germplasm sources, providing a quantitative basis for regional water resource management and carbon sequestration afforestation.