46results about How to "Automatic water level control" patented technology

The invention provides an intelligent control method for a solar energy system. A solar heat collector system comprises a heat collector, wherein the heat collector comprises a heat collecting pipe and a water tank; the heat collecting pipe comprises a heat absorbing end and a heat releasing end, and the heat releasing end is arranged in the water tank; a water level meter is arranged in the water tank, and an outlet pipe temperature sensor is arranged on an outlet pipeline of the water tank; an inlet pipe valve and an outlet pipe valve are respectively arranged on an inlet pipe and an outlet pipe of the water tank, and the water level meter, the temperature sensor, the inlet pipe valve and the outlet pipe valve are in data connection with a central controller; the central controller controls the size of the opening degree of the inlet pipe valve and the outlet pipe valve according to the temperature measured by the temperature sensor and the water level measured by the water level meter. The method automatically controls multiple parameters of the solar energy system, realizes intelligent control for the solar water temperature, and therefore improves the using intelligentization of the solar energy system.

The invention provides ultrasonic therapy equipment which comprises an auxiliary water control system. The auxiliary water control system comprises a body surface position obtaining unit, a water level control unit and/or a water change control unit, wherein the body surface position obtaining unit is used for obtaining the body surface position of human body through which ultrasound passes according to the monitored image obtained by an ultrasonic image monitoring system; the water level control unit is used for controlling the water intake and water drainage according to the body surface position of human body obtained by the body surface position obtaining unit and the water level detected by a water level detection sensor so that the human body is immersed to a predetermined depth in the medium water; the water change control unit is used for judging whether the body surface skin through which ultrasound passes has overheating feature and/or detecting the number of air bubbles on the monitored image according to the body surface position of human body obtained by the body surface position obtaining unit; and if overheating feature exists and/or the number of air bubbles is greater than a threshold, the water change control unit controls to change water. According to the invention, automatic control on water level, water temperature and oxygen content of the medium water can be realized.

The invention relates to a bathtub with a disposable protective film and used for a burn patient. The bathtub comprises a bathtub body and a patient moving trolley, wherein an immersion bath is arranged in the bathtub body, a temperature sensor, an ultrasonic generator, a heater, a water level sensor and a self-control water inlet are arranged in the immersion bath, a controller is arranged on the outer wall of the immersion bath, a water outlet of the immersion bath is connected with a filter bin, the temperature sensor, the ultrasonic generator, the heater, the water level sensor and the self-control water inlet are all connected with the controller, the top end of the patient moving trolley is connected with an immersion bedding through multiple ropes, the disposable protective film is laid in the immersion bath and on the immersion bedding and is of a double-layer structure, the periphery of the disposable protective film is fastened on the periphery of the immersion bath and on the periphery of the immersion bedding through fasteners, the disposable protective film is provided with an opening at the position of the water outlet to enable the disposable protective film to be arranged on the water outlet in a sleeving mode, and a sealing device is arranged on the water outlet. The bathtub facilitates immersion bath therapy of the burn patient and is safe, hygienic and capable of avoiding cross infection.

The invention discloses a waste heat utilization device for an air compressor. The waste heat utilization device comprises the air compressor, a humidifier and a heating water tank. A waste hot air outlet of the air compressor, a hot air inlet of the humidifier and a hot air inlet of the heating water tank are respectively formed in the air compressor, the humidifier and the heating water tank; the waste hot air outlet of the air compressor is respectively communicated with the hot air inlet of the humidifier and the hot air inlet of the heating water tank. The waste heat utilization device has the advantages that waste heat of the air compressor is smartly combined with the humidifier and the heating water tank, so that abandoned heat energy can be effectively utilized, energy sources can be recycled, energy can be saved, environments can be protected, and the heat of the air compressor can be sufficiently dissipated.

The invention discloses a water supply system of a water well. The water supply system comprises a water sucking pipe (1), a water pump (2), a water storage tank (3) and a central controller, wherein the water sucking pipe (1) is communicated with the input end of the water pump (2); the water storage tank (3) is communicated with the output end of the water pump (2) by virtue of a main water pipe (4); the main water pipe (4) is provided with a one-way valve (5); the bottom of the water storage tank (3) is provided with a water outlet pipe (6); the water outlet pipe (6) positioned at the lower part of the water storage tank (3) is sequentially provided with a filter (7) and a buffer container (8); the water pump (2) is electrically connected with the central controller. The water supply system has the advantages of low cost, safety in use, convenience and practicability.

The invention discloses an automatic water level control float valve comprising a valve body. A water inlet and a water outlet are formed in the valve body. A piston seat is fixed at the far end, relative to the water inlet, of the valve body. One end of the piston seat extends into the valve body and is provided with a piston cavity. A piston is arranged in the piston cavity. A flow passage capable of communicating the water inlet with the piston cavity is formed in the valve body. A through hole corresponding to the flow passage is formed at the extending end of the piston seat. An axial through hole concentric with the piston cavity is arranged on the piston seat. A piston rod is arranged at the tail of the piston integrally and extends into the axial through hole. A moving piston which can be sealed with the end face of the piston rod is arranged at the other end of the axial through hole. A piston rod shaft hole with one end communicating with the axial through hole is formed in the piston rod. A support is fixed on the lower portion of the piston seat. A push rod is hinged on the support. A push plate opposite to the moving piston is fixed on the push rod. The automatic water level control float valve can control water level of a water tank automatically, is reliable and safe to use, and can resist pressure above 40MPa.

The invention discloses a multifunctional intelligent control aboveground hydrant capable of preventing water theft. The multifunctional intelligent control aboveground hydrant comprises a hydrant body, a valve body and a bent pipe, wherein the hydrant body is provided with a valve rod seat, an inner mounting seat, an outer protective cover and a water outlet pipe covering a blank cap at intervals, a valve rod is sequentially arranged on the valve rod seat, the inner mounting seat, the outer protective cover and the water outlet pipe in a penetrating mode, and a water level detection device isarranged inside the hydrant body; the inner mounting seat is provided with mounting concave parts covering sealing cover plates, a controller, an alarm device, a motor and a heat dissipation device are arranged in the mounting concave parts, and heat dissipation holes are formed in the sealing cover plates above the motor; the valve rod is connected with a valve clack, the motor is connected witha screw rod with a right-hand and left-hand thread section, and the right-hand and left-hand thread section is connected with a water baffle and a movable water stop plug provided with a second pressure sensor; and the valve body is connected with a drain pipe provided with a drain valve, the drain pipe is connected with a water collecting tank provided with a water collecting tank water level control device, the water collecting tank is connected with a circulating pipeline provided with a water pump and used for cooling the motor, and intelligent control over the hydrant is achieved throughthe controller. The multifunctional intelligent control aboveground hydrant capable of preventing water theft is good in water theft prevention effect and high in efficiency, and the problems of water resource waste and frequent maintenance can be avoided.

The invention discloses an intelligent water supply system applied to a water well. The intelligent water supply system applied to the water well comprises a water drawing pipe (1), a water pump (2), a first water storage tank (3), a second water storage tank (4) and a central control unit, wherein the first water storage tank (3) is connected with an output end of the water pump (2) through a main water pipe (5); a first water outlet pipe (8) is arranged at the bottom of the first water storage tank (3); a filter (9) and a buffer container (10) are orderly arranged on the first water outlet pipe (8) positioned at the lower part of the first water storage tank (3); the water drawing pipe (1) comprises an inner pipe (1.1) and an outer pipe (1.2); one end of the outer pipe (1.2) is sleeved with the inner pipe (1.1) in a sealing mode, a first water level sensor (1.3) and a blocking sensor (1.4) are arranged on the side wall of one end of the outer pipe (1.2), and a floating block (1.5) is arranged on the side wall of the other end; the intelligent water supply system applied to the water well has the advantages of being low in cost, safe in use and convenient to use.

The invention relates to the technical field of dust removal devices, in particular to a mining dust falling and suction device. According to the scheme, the mining dust falling and suction device comprises a box body, a second partition plate is arranged inside the box body, the second partition plate divides the interior of the box body into a first cavity and a second cavity, a dust suction device is arranged outside the box body, the dust suction device is connected with a third guide pipe, one end of the third guide pipe extends into the second cavity and is connected with an exhaust hood, a first partition plate is fixedly connected into the second cavity, an inclined plate is fixedly connected to the bottom of the first partition plate, the exhaust hood is located above the inclined plate, a spray head is fixed between the first partition plate and the exhaust hood, the spray head is connected with a second guide pipe, and one end of the second guide pipe extends into the first cavity and communicates with a water pumping device. According to the mining dust falling and suction device, dust falling can be carried out on air, so that the air is purified, and the problems of poor dust falling effect and low dust falling efficiency of a dust falling device in the prior art are solved.

The invention provides an intelligent control method of a solar system. The solar system comprises a heat collection device, wherein the heat collection device comprises a heat collection tube and a water tank; the heat collection tube comprises a heat absorption end and a heat release end; the heat release end is arranged in the water tank; a temperature sensor and a water level gauge are arranged in the water tank; an inlet tube and an outlet tube of the water tank are respectively provided with an inlet tube valve and an outlet tube valve; the temperature sensor, water level gauge, inlet tube valve and outlet tube valve are connected with a central control unit through data; and if the temperature of water in the water tank measured by the temperature sensor is lower than the lower limit, the central control unit automatically controls the opening and closing of the inlet tube valve and outlet tube valve according to the water level measured by the monitoring water level gauge. The water level and temperature in the water tank are automatically controlled, thereby preventing the water level from being too high or too low on the premise of satisfying the requirements for water temperature, thereby enhancing the use intelligentization of the heat collection device.

The invention provides a solar thermal collector system which comprises a heat collector, wherein the heat collector comprises a heat collecting pipe and a water tank, the heat collecting pipe comprises a heat absorbing end and a heat releasing end, and the heat release end is arranged in the water tank; an outlet pipe temperature sensor is arranged on the output pipeline of the water tank, an inlet pipe valve and an outlet pipe valve are respectively arranged on the inlet pipe and the outlet pipe of the water tank, and the temperature sensor, the inlet pipe valve and the outlet pipe valve are in data connection with a central controller; and the central controller is used for controlling the opening of the inlet pipe valve and the outlet pipe valve according to temperature measured by the temperature sensor. According to the invention, by detecting the temperature of water of the water outlet pipe of the water tank and controlling the opening of the valves, water output in the water tank can reach a constant temperature.

The invention discloses grape watering equipment which comprises a water chamber, wherein a rack is arranged below the water chamber, the water chamber is detachably connected with the rack, a partition is arranged in the middle of the water chamber and separates the water chamber into an ice cube box and a water box, the grape watering equipment further comprises a first communication pipe and a second communication pipe, the ice cube box is connected with an icy water tank through the first communication pipe, a first valve is arranged on the first communication pipe, the water box is connected with a transparent normal temperature water tank through the second communication pipe, a second valve is arranged on the second communication pipe, a first high-pressure water pump is arranged above the ice cube box, a second high-pressure water pump is arranged above the water box, the second high-pressure water pump is connected with a second pipeline, the first pipeline and the second pipeline are converged into a third pipeline which is communicated with a nozzle chamber, and a first air pipe and a second air pipe are connected above the nozzle chamber. By adopting the scheme, the range of water mist sprayed to grapes is larger, and water level can be automatically controlled.

The invention discloses a taxodium zhongshansha cutting cultivation greenhouse. The greenhouse comprises a greenhouse body, a greenhouse roof, an irrigation pool, a water storage pool, an expansion eave, a water gathering bin, a water gathering slope, a water pipe, a sun-shading layer, a three-way pipe, a three-way water valve, a fixing table, a planting box, a water filtering plate, a nutrient pipe, a water drainage pipe, a water inlet pipe, a water injection pipe, a water pipe plug, a buoyancy block, and a water injection hole. The greenhouse roof is arranged at the top of the greenhouse body; the irrigation pool is arranged on the ground in the greenhouse body; the fixing table is arranged in the irrigation pool; the planting box is placed on the fixing table; the three-way pipe is arranged at the bottom end below the water pipe; the water inlet pipe is mounted at the bottom end of the three-way pipe; the outer side end of the three-way pipe is connected with the interior of the water storage pool; the three-way water valve is arranged on the three-way pipe; and the three-way water valve switches the water pipe to be communicated with the water storage pool through the three-waywater valve, or the water storage pool is communicated with the water inlet pipe. The taxodium zhongshansha cutting cultivation greenhouse has the characteristics that the rainwater collection amountis adjusted according to weather, the water level is automatically controlled, and excessive water absorption is avoided.