40 results about "Water level" patented technology

A digital mapping display and related system for fishing, and other applications.

An oven comprises a housing defining a cooking cavity, a steam generator defining a chamber and having an evaporation element located in the chamber for generating steam that is introduced into the cooking cavity, and a water reservoir in fluid communication with the chamber and positioned relative to the chamber to supply water to the chamber to at least a minimum level at which the water completely immerses the evaporation element. Further, the steam generator can have a top defining an upper extent of the chamber, and the water reservoir can have a top positioned relative to the chamber such that the water reservoir top is vertically below the steam generator top.

The invention discloses an intelligent rainwater system based on runoff simulation and multi-sensor monitoring, and an operation method. The system comprises a runoff simulation and control host basedon a GIS, a meteorological forecast and runoff satellite monitoring server, a distributed small meteorological station, a vertical surface rain condition monitor, a movable rainfall radar, an infrared video monitor, an evaporation measuring instrument, a rainwater pipe network flow monitor, a water quality online monitor, an air quality monitor, a radar rainfall monitor, an infiltration area saturation monitor, an accumulation area water level monitor, a shallow-layer underground water level monitor, a surface runoff monitor, a waterproof unmanned aerial vehicle with a speed measuring buoy, an optical fiber temperature sensing system, an optical fiber pressure sensing system, a communication module, an intelligent controller, a rainwater utilization facility water supply point, a high-position rainwater hydroelectric generation module, a submersible conveying pump, a pressurization infiltration device and the like. According to various parameters, the rainfall flood disasters are subjected to scientific early warning and warning, and measures are adopted, so that the disaster risk of rainfall flood disasters to a building area or a building can be reduced.

The invention discloses anti-corrosion concrete applied to a sulfate bittern environment as well as a preparation and construction technology thereof. The concrete comprises the following raw materials: light calcined magnesia, magnesium sulfate, water, aggregate, a mineral admixture and an additive. Through mutual effect among the components of the concrete and with the sulfate bittern environment with specific salt type and concentration, the concrete can be condensed and hardened, generated, developed and strength-maintained in sulfate saline soil, sulfite saline oil or bittern environment in a wet state with specific salt type and concentration or below the underground water level. The concrete disclosed by the invention is applied to the sulfate bittern environment and can meet the requirements of concrete strength and durability of structures and components.

The invention relates to an intelligent pulping machine and a control method thereof. A water level detecting device and a temperature detecting device, which are used for detecting water level and water temperature and feeding back detection results to a control device so as to make the control device select different pulping process procedures, are arranged in a pulp holding container of the pulping machine or on a handpiece or at the bottom of the pulp holding container. The control method of a soymilk grinder comprises the following steps that: the water level detecting device transmits the detected water level data to the control device; the temperature detecting device transmits the detected temperature data to the control device; the control device calculates the received water level data and temperature data to acquire corresponding quantity data, and comparatively analyzes prestored water quantity and temperature data; and the control device controls a crushing device and a heating device to start work and to operate pulping process flow corresponding to actual water level and water temperature. The machine and the method achieve the aims of high concentration, low energy consumption, short time, safety and intelligence.

The invention discloses a universal rotary-assembly type oil product filter with the filter element replaceable function and the automatic water drainage function. The universal rotary-assembly type oil product filter with the filter element replaceable function and the automatic water drainage function comprises a shell and a filter element arranged in the shell. A threaded linkage plate is arranged between an opening portion of the shell and an oil outlet of the filter element. A butt joint threaded through hole is formed in the center of the threaded linkage plate and communicates with an oil outflow channel of a filter filtering seat. Multiple oil inflow through holes are formed in the threaded linkage plate and communicate with an oil inflow channel on the filter filtering seat. An automatic water drainage valve and a water level probe are arranged at the bottom of the shell. A control circuit unit is arranged outside the shell. Multiple protruding teeth symmetrically distributed are arranged on the outer ring of the threaded linkage plate. Grooves matched with the protruding teeth are formed in the opening portion of the shell. Under the action of an elastic supporting piece at the bottom of the shell, the threaded linkage plate is pressed and attached to the oil outlet of the filter element. The universal rotary-assembly type oil product filter with the filter element replaceable function and the automatic water drainage function solves the problems that a filter element in an existing filter shell cannot be replaced, and the interchangeability of filters produced by different manufactures is poor; and replacement and operation are easy, and water in the shell can be drained easily.

The invention discloses a spray gun for fire fighting, which consists of a gun body with water communicating inside and a spray head. The gun body has a multi-tube structure, and comprises a gun handle provided with a switch for controlling inlet and outlet of water, a water level switching valve of which the water inlet is connected with a water outlet of the gun handle and which is used for switching the direction of water current, and at least two gun tubes, wherein one end of each gun tube is connected with an water outlet of the water level switching valve, and the other end of the each gun tube is connected with the spray head; and the diameter of a tube orifice of the gun tube is matched with the diameter of the water outlet of the water level switching valve. The spray gun for fire fighting integrates various injection functions, and can quickly switch different functions to achieve the aim of convenience for multifunctional use.

The invention relates to the technical field of garment steamers and discloses a garment steamer and a control method of the garment steamer. The garment steamer comprises a control unit, a water tank, a water pump and a steam generator, wherein the water tank is provided with a water level measurement element; the steam generator is provided with a liquid level measurement element; when the water level measurement element detects that an actual water level of the water tank is lower than a pre-set lowest water level, a signal is sent to the control unit, and the control unit is used for controlling the water pump to stop pumping water to the steam generator; and when the liquid level measurement element detects that the actual water level of the steam generator is higher than a pre-set highest water level, a signal is sent to the control unit, and the control unit is used for controlling the water pump to stop pumping water to the steam generator. According to the garment steamer provided by the invention, whether the water pump needs to pump water or not can be controlled in real time according to the whole operation condition of the garment steamer, and thus the quality of the garment steamer is remarkably improved.

The invention provides a laboratory acquisition method and device for water level change of two sides of a V-shaped river course. The invention provides an image processing-based non-immersive measurement method by combining dam break water flow tests in a V-shaped sink model and an image binarizaiton processing method. The method can detect water level change along both sides, thereby helping further understand motion characteristics and laws of water flow, solving a problem that a traditional manner measures only at one point, lowering cost, consuming less time, and being convenient to conduct.

The invention provides a mobile air conditioner. The mobile air conditioner comprises an upper layer water receiving tray and a chassis structure. The chassis structure comprises a water absorption zone, a water tank zone, a water pumping zone and a water level control zone. The chassis structure further comprises a water retaining rib for isolating the water absorption zone from the water tank zone, and a convergence part which is located between the water pumping zone and the water tank zone and is close to a convergence port of the water pumping zone, wherein a water pumping wheel is arranged on the convergence part; and at least one support rib is arranged in the water tank zone. According to the mobile air conditioner, cooperation of the upper layer water receiving tray and a chassisis utilized, water on the upper layer water receiving tray and the chassis in the mobile air conditioner can be reasonably distributed, the water pumping zone is preferentially supplied, water on theupper layer can be directly supplied to the water pumping zone, the water cycle steps are reduced, and the water pumping efficiency is improved.

A transient mitigation system for a reactor includes: a reactor core isolation cooling system; and a high pressure flooder system including a high pressure flooder pump and a flooder valve. When the water level of the reactor water in the reactor decreases to a first predetermined water level, the reactor core isolation cooling system is activated to supply the cooling water into the reactor. When the water level in the reactor decreases to the first predetermined water level, the high pressure flooder pump is activated. When the water level in the reactor decreases to a second predetermined water level lower than the first predetermined water level, the flooder valve is opened to inject the cooling water into the reactor.

There is provided a water level sensing apparatus including: a body disposed to be exposed within a liquid tank and having an accommodating space therein; and a capacitance detecting unit accommodated in the accommodating space of the body, wherein the capacitance detecting unit compares an upper side capacitance value and a lower side capacitance value and turns on or off an output signal. Because a changeable reference that the capacitance values of a reference surface and a detected surface of the body are simultaneously changed is used, even if the body comes in contact with moisture or debris, the reference surface and the detected surface are equally affected by the moisture or debris, thus reducing the occurrence of malfunction.

The invention provides an unsinkable ship, and belongs to development and manufacturing of a new ship style. That marine ship sinking accidents frequently occur mainly because the stability of the ship is low, and sinking resistance cannot be effectively achieved. Nowadays, ships are all made of steel and iron, sinking resistance is more important. The unsinkable ship comprises super large ships like an aircraft carrier and a cruise ship. The unsinkable ship is characterized in that the ship bottom is sharp; a main body ship shell is arc; multi-layer stability maintenance balance shake reducing fins are arranged below no-load water level lines outside the two side walls; permanent floating bodies which float outwards and are not resistant to impact and not resistant to air leakage are arranged above the no-load water level lines; dozens of huge inflatable safety airbags are arranged above the permanent floating bodies; the ship is further internally provided with a permanent floating cabin not resistant to air leakage to replace a water sealing cabin, while the water sealing cabin is resistant to air leakage. The ship is provided with eight sinking resistance stability maintenanceshake reducing facilities and is further provided with an intelligent full-automatic tilting adjusting alarm system, automatic tilting adjusting can be conducted in an all-weather and omnibearing mode, and it is guaranteed that the ship is steady and balanced in an all-weather mode. When the ship is confronted with extreme danger and tilting adjusting fails, the safety airbags can be automaticallystarted, and water in an air conditioner tilting cabin is drained, so that the ship never sinks.

The invention discloses a spraying unmanned aerial vehicle for agriculture, the structure of which comprises a feed inlet, a spray head, a frame, an ultrasonic device, a driving device, a rotor, a transverse connecting rod, a ground contact rod, a liquid storage tank, and a water level sensor. The front and back of the frame are center-symmetrical, the upper end of the frame is an I-shaped structure, the upper and lower ends of the frame are parallel to each other, and the frame and the nozzle are movably connected by interference fit. The end surface is provided with a driving device, the driving device is transitionally matched with the rotor, the upper end surface of the frame is connected to the ultrasonic device and the contact surface is a rectangle with the same diameter, and the ultrasonic device is placed on the transverse connecting rod, the beneficial effect of the present invention In order to set up a water level sensor, by placing the water level sensor in the liquid storage tank, the sensor chip senses the water level, and when the remaining liquid storage tank is insufficient, the signal is transmitted to the controller, and the controller controls the spraying drone to return automatically for feeding. Save time and improve spraying efficiency.

The invention relates to a Yangtze River navigation reference surface determination method. The method comprises the following steps: observing and obtaining the perennial observation water level height of a water level observation point; selecting the navigation reference altitude; selecting the navigation channel middle line; generating a spacial navigation channel middle line; generating a smooth spacial navigation channel middle line; generating a continuous smooth navigation reference surface; and converting the water depth data. The method has the following advantages: (1) a smooth, continuous, and complete navigation reference surface is obtained, the reliability of correction of water level of bathymetric data is improved, and the operation steps are simplified; (2) the amount of data that is needed to be processed is reduced, and the processing efficiency of relative water depth data is improved; (3) the normalization and standardization of Yangtze River hydrologic observation are promoted, and basic information support is provided for depth datum determination and Yangtze River horizontal plane analysis and prediction; (4) water level observation data is collected and unified for the Navigation Bureau of Yangtze River.

The invention discloses a method for treating sewage through a sewage treatment device. The sewage treatment device comprises a treatment device body and a water storage reaction cavity formed in thetreatment device body. A water level control mechanism is arranged in the water storage reaction cavity, a conversion cavity is formed below the water level control mechanism, a conversion mechanism is arranged in the conversion cavity and comprises a centrifugal bucket, and the blocked centrifugal bucket can be replaced by the conversion mechanism. The water sewage treatment device is simple in mechanism and easy and convenient to use, and sewage is treated efficiently and conveniently so that the emission standard can be met. According to the sewage treatment device, the amount of a disinfector and a flocculating agent is controlled through the water inflow of sewage to be treated, and the situation that due to the fact that the amount of the disinfector and the flocculating agent is insufficient, the purifying effect is not ideal, and due to the fact that the amount of the disinfector and the flocculating agent is too large, environmental damage and resource waste are caused is avoided; the adopted centrifugal bucket can be replaced, and it is avoided that the centrifugation effect is reduced after repeated use.

The invention provides a water cycling system. The water cycling system comprises a water storage groove, a water pump, a water inlet tube and a water outlet tube. The water storage groove is used for storage of water or a nutrient solution; the water pump is arranged in the water storage groove; the water inlet tube is arranged on the side wall of the water storage groove, the lower end of the water inlet tube is connected with the water pump, and multiple water outlets are formed in the upper end of the water inlet tube at different heights and used for inlet of the water or the nutrient solution to multiple planting grooves at different heights; the water outlet tube is arranged on the side wall of the water storage groove, multiple water outlets are formed in the upper end of the water outlet tube at different heights and can be connected with water level limiting outlets and/or discharging ports of the multiple planting grooves or connected with hoses which are connected with the water level limiting outlets and/or discharging ports, and a water outlet is formed in the portion, above the water storage groove, of the lower end of the water outlet tube. According to the water cycling system, when the water pump is switched on, the water or the nutrient solution can be automatically injected into the multiple layers of the planting grooves of a plant growing machine or a plant bracket, operation is simple, and the labor cost is lowered.

The invention relates to a non-constant flow pipeline inner wall on-way resistance coefficient testing device comprising a high-level water tank, a low-level water tank, a wave height meter for measuring the time-varying change of water in the water tanks, a pressure sensor for measuring the water flow pressure intensity of a measured pipeline wall, and a computer for recording, processing and storing data. The high-level water tank is provided with a water outlet. The low-level water tank is provided with a water inlet and a water gate capable of opening or closing the water inlet. The wave height meter is composed of two wave height acquisition probes and a wave height processor, and the wave height processor is connected with the computer. The pressure sensor is composed of a pressure collector and a pressure transmitter, and the pressure transmitter is connected with the computer. Also provided is a non-constant flow pipeline inner wall on-way resistance coefficient testing method using the testing device of the present invention. The device and method can quickly and accurately test the on-way resistance coefficients of the inner wall of the pipeline corresponding to the different liquid flow rates under non-constant flow.

The invention relates to a manufacturing method of a toilet waste-water utilization automatic water supply device. The toilet waste-water utilization automatic water supply device comprises a full-automatic control system device and is characterized by further comprising a toilet automatic water supply water tank device. A center hole of an upper cover of a closed container of the toilet automatic water supply water tank device is provided with a water level detection bar, the outer side of the detection bar is provided with water level graduations, the lower end of the detection bar is provided with a waste-water supply pipe and a water level detection head, the lower part of the detection bar is provided with a discharge valve, the left side is provided with an outlet valve sealing cover, the upper left part is provided with a water flushing switch and a water flushing adjustable bracket, the lower part of the bracket is provided with an inlet valve, the left side of the bottom part of the container is provided with a tap water inlet, and the bottom part of the container is provided with a water outlet. A water outlet of a normally-open electromagnetic valve control device is communicated with the water inlet of the automatic water supply water tank device, a water outlet of a submersible pump is communicated with the water inlet of the automatic water supply water tank device, and the water outlet of the automatic water supply water tank device is communicated with a water inlet of a toilet device.

The invention discloses a novel immersion heater, which comprises a bottle cork and a quick heater, wherein an automatic sounder is arranged inside the bottle cork to automatically generate sounds for alarming when water is boiling; a telescopic cylinder is connected to the lower end of the bottle cork; the lower end of the telescopic cylinder is provided with the quick heater; the upper end of the quick heater is connected with a conducting wire; and the other end of the conducting wire runs through the telescopic cylinder and the bottle cork. The novel immersion heater has the characteristics of simple and skillful structure, practical functions and the like, and the length of the telescopic cylinder can be adjusted according to containers with different depths and the water level, thereby expanding the application range of the immersion heater.

The invention relates to a drinking fountain. The pet drinking fountain provided by the invention has the advantages that the structure is simple, sufficient and reliable drinking water is guaranteed, and waste is not easily caused. The drinking fountain comprises a water tank and water troughs formed in the lower part of the water tank. The drinking fountain further comprises an automatic water supplying device and a sensing device, wherein the automatic water supplying device comprises a pedal, a link mechanism, a water level sensor and a resetting draw bar, and the link mechanism is connected with a water outlet of the water tank; the water level sensor is arranged in the water trough and is connected with the resetting draw bar, and the resetting draw bar is connected with the link mechanism; and the sensing device comprises a controller, a weigher and a timer, the weigher is arranged in the pedal, the weigher and the timer are separately connected with the controller, and the controller separately controls the link mechanism and the resetting draw bar. The drinking fountain is convenient and practical, and water resources are saved.

The invention discloses a semiconductor energy-saving water dispenser. The semiconductor energy-saving water dispenser comprises a water dispenser base, a water conveying pipe, a water dispenser waterinlet and a semiconductor refrigeration sheet; a bottom heating panel is arranged on the upper side of the water dispenser base, a water outlet is formed in the upper side of the water conveying pipe, a water dispenser inner tank is installed below the water dispenser water inlet, a water level displayer is installed below the water dispenser inner tank, the lower side of the water level displayer is communicated with a water filter film, the semiconductor refrigeration sheet is installed above the water filter film, a heating tank is installed below the semiconductor refrigeration sheet, work indicating lamps are installed on the upper side of the water dispenser base, and the outer side of the water dispenser base is provided with an external power socket. The semiconductor energy-saving water dispenser has the advantages that a semiconductor refrigeration surface and a heating surface are used for refrigerating and heating water, energy is fully utilized, more energy is saved, thestructure is simple, and less energy is consumed.

The invention provides a steam change demonstration teaching aid. For the demonstration teaching aid used by schools, a concave hole capable of containing a steaming pot is formed in one side of the upper portion of a rectangular bracket, a detachable water bottle is arranged on the other side of the rectangular bracket, a passage tube for communication is arranged between the steaming pot and thewater bottle, and a bottom plate for placing a heating stove is arranged on the bracket below the steaming pot. In the teaching use process, steam can be generated by heating water in the steaming pot above the heating stove, when the steam volatilizes continuously, and the water in the stove is intermittently lowered to be lower than the water level of a bottle opening of the water bottle, underthe pressure effect of the outside air, air is squeezed into the passage tube from an opening of the passage tube and the bottle from the bottle opening of the water bottle, the air pressure and water pressure in the bottle make the water squeezed into the stove, the water bottle on the side can supplement cold water continuously, and in this way, the processes of steam generation and volatilization and cold water supplementing under the action of the air pressure and water pressure can be demonstrated for students.