41results about How to "Prevent overfilling" patented technology

The invention provides a method for controlling the water level of condensate water of an air conditioner. The method comprises the following steps that, rotating speed and variable quantity of the rotating speed of a rotating shaft of a water beating motor are obtained, wherein fan blades of the water beating motor are arranged in a water pan of the air conditioner, a condenser in the air conditioner is arranged above the water pan; when the water beating motor works, water in the water pan can beat on the condenser so as to carry out water cooling on the condenser, and the water pan is usedfor receiving condensate water generated when the air conditioner works; the running speed of a fan is adjusted according to the variable quantity so as to adjust the water consumption required for the heat dissipation of the condenser, so that the water level of the condensed water in the water pan is controlled; and air flow generated in the working process of the fan is used for carrying out air cooling on the condenser. According to the method, the problem that a user needs to waste time and energy on the water level of the condensed water during the use of the air conditioner is solved, and the effect of automatically controlling the water level of the condensed water is achieved.

The invention discloses a deep supercooled liquid oxygen filling and control system in a low-temperature rocket launching site and a method. The system comprises a ground circulating liquid oxygen storage tank, a negative-pressure liquid nitrogen bath type heat exchanger and an on-rocket liquid oxygen storage tank. Before launching, saturated liquid nitrogen and low-temperature helium are combinedto precool the on-rocket storage tank in sequence, after the precooling requirement is met, a large-flow filling mode is adopted for filling, and the purpose of rapid filling is achieved; and a coldhelium technology is adopted to dynamically adjust the pressure of a rocket storage tank and maintain large supercooling of liquid oxygen temperature, and meanwhile, a cold helium recycling technologyis considered based on a cryogenic liquefaction separation method. According to the system and the method, the functions of deep supercooled acquisition and high-flow rapid filling of liquid oxygen,advanced falling of a filling system, micro-positive pressure adjustment and large supercooling degree maintenance of the deep supercooled liquid oxygen of the on-rocket storage tank, helium cyclic utilization and the like are realized, and effective reference can be provided for deep supercooling and filling processes and a control mode of the liquid oxygen in the low-temperature rocket launchingsite.

The invention discloses a fixed type tire intrinsic pressure informing device with simple structure and excellent reliability, responsiveness and durability and a tire rim and tire group adopting the device. The type tire intrinsic pressure informing device is composed of a main body installed on the tire rim and an indicator bearing the tire intrinsic pressure, the main body with transparency is installed inside a mounting hole different from the valve port of the tire rim, and the intrinsic pressure of the tire is informed through the changes of the contact area between the inner surface of the main body and the indicator of the elastomer.

The invention relates to garden watering equipment, and in particular to municipal equipment for watering a garden after rainwater collection, aiming at solving a technical problem of offering the municipal equipment for watering the garden after rainwater collection, which achieves the reasonable use of rainwater and reduces water consumption. According to the technical scheme, the municipal equipment for watering gardens after rainwater collection comprises a first mounting plate, a water pump, a water intake pipe, a net plate, a first spring, a first baffle plate, a second baffle plate, a first connecting plate and the like, wherein a rainwater collection pond is excavated in the ground at the left side of the garden; the first mounting plate is arranged at the upper side of the right wall of the interior of the rainwater collection pond; and the water pump is arranged at the top of the first mounting plate. According to the garden watering equipment provided by the invention, the reasonable use of rainwater which is collected is achieved, so that a purpose of reducing water consumption is realized; by arranging a blow-down device, sludge in the rainwater collection pond can bethoroughly processed, so that a circumstance that the water intake pipe gets blocked is prevented; and by arranging a second soft hose and an electric control valve, a circumstance that the rainwatercollection pond is filled with too much water can be prevented, and urban flooding can be relieved.

The invention discloses a three-phase unbalance and reactive power control device and method of an interphase capacitor. The three-phase unbalance and reactive power control device of the interphase capacitor comprises a master controller, a current acquisition device, a voltage acquisition device and a fine reactive compensation unit, wherein the current acquisition device and the voltage acquisition device are connected with an input end of the master controller, and the fine reactive compensation unit is connected with an output end of the master controller and comprises an interphase compensation circuit and a phase-zero compensation circuit. The interphase compensation circuit and the phase-zero compensation circuit adopt capacitors to compensate, the unbalance phenomenon of a three-phase power grid can be effectively controlled; with the utilization of capacitor adjustment branches, the inductive reactive power in three-phase electricity can be effectively offset; and moreover, a plurality of capacitor adjustment branches are connected to the three-phase electricity and between the three-phase electricity and a zero line, the adjustment is more fine, and the over-compensation also can be prevented.

The invention discloses a paint stirring device for petroleum pipeline production processing paint spraying. The paint stirring device structurally comprises a paint stirring device body, a bearing bar, a base, an antiskid pad, a sewage collecting tank, a sewage collecting pipe, an operation key, a hinge, a box door, a lock and an operating box, wherein the top of the bearing bar is in welded connection with the bottom of the base, the top of the bearing bar and the bottom of the base are perpendicularly connected, the inside of the antiskid pad and the bottom of the bearing bar are in embedded type connection, the right end of the sewage collecting tank is in welded connection with the left end of the base, the bottom of the sewage collecting pipe and the inside of the sewage collecting tank are in attachment, and the top of the base and the bottom of the paint stirring device body are fixedly connected through a screw. The paint stirring device for the petroleum pipeline production processing paint spraying disclosed by the invention is structurally provided with the paint stirring device body, the device body can effectively extract residues in a paint material out, and a paintspraying device is prevented from being damaged by the residues; meanwhile, cutoff type feeding can prevent internal air pressure from being too high, extrusion to internal parts is reduced, and service life is prolonged.

The invention discloses an oil-water separation type aircraft oil supply tank provided with an oil level control system, and relates to the technical field of aerospace equipment. The aircraft oil supply tank comprises a shell; an oil level control device is arranged in a cavity of the shell; an oil outlet pipe joint is arranged at the right end of an oil outlet pipe, and an oil drain valve switchis arranged at the end opening of the oil outlet pipe joint; an oil filter installation hole is formed in a bottom plate of the shell; an end cover is arranged in the middle of the lower end of the outer wall of the shell, the end cover is fixed to the bottom of the shell through bolts, a seal gasket is arranged between the shell and the end cover, and a sediment discharge switch is arranged in the middle of the end cover; an oil filter tank is arranged in the middle of the bottom end of the inner wall of the shell, and the oil outlet pipe is arranged at the lower end of the right side of theoil filter tank. By means the oil-water separation type aircraft oil supply tank provided with the oil level control system, the purposes of oil-water separation, oil level control and high sealing of the oil drain valve switch are achieved, and the maintainability and safety of an aircraft are greatly improved.

The invention discloses a collection device for paints and diluents. The collection device comprises a base assembly, a rotating disk assembly and a collection barrel assembly, wherein the base assembly comprises supporting legs, a base plate and a vertical column; the rotating disk assembly comprises a disk, a rotating bearing and reinforcement ribs; the rotating bearing adopts a built-in bearing with a protection cover; the built-in bearing can be arranged on the central vertical column on a chassis in a rotatable penetrating manner; the disk can be arranged on the vertical column above the rotating bearing in a rotatable penetrating manner; the protection cover of the built-in bearing is connected with the disk through the reinforcement ribs; the collection barrel assembly comprises collection barrels, barrel covers and arc-shaped collection pipes; the barrel bottoms of the collection barrels are as conical as collection barrel positioning conical holes of the disk; the barrel bottoms are provided with sewage discharging openings and valves; the barrel covers cover the upper end openings of the collection barrels; and the arc-shaped collection pipes are arranged on the barrel covers in a penetrating manner, and the bent parts at the lower ends of the arc-shaped collection pipes extend into the collection barrels. The collection device can collect various paints and diluents, and is high in recycling rate and low in pollution.

The invention provides a harvester suitable for various crops. The harvester comprises a rack, a harvesting device, a separating device, a storage box and a conveying device, wherein the harvesting device is arranged at the right end of the rack; the separating device is arranged on the rack and located below the harvesting device; the storage box is mounted at the left part of the rack; and the conveying device is arranged on the rack and used for conveying the crops separated by the separating device into the storage box. The harvesting device comprises a stem removing device, an impurity removing device and a soil loosening device; and on the basis of guaranteeing the functions of automatic removing stem, separating, removing soil, boxing and the like, the harvester also achieves the functions of harvesting crops such as potatoes and peanuts.

The invention relates to a water-saving urination and defecation flushing system. The water-saving urination and defecation flushing system is provided with a urinal, a toilet bowl, water supply tanks and an urination water returning device. The urination water returning device mainly comprises a urine storage tank, a urine booster pump and a urine filter which are successively connected. The urine booster pump is automatically opened and closed according to the liquid level state of the urine storage tank. A water outlet of the water supply tank for the urinal is connected with a water inlet of the urinal via a urinal water inlet tube with an opening and closing control valve, and a water outlet of the water supply tank for the toilet bowl is connected with a water inlet of the toilet bowl via a toilet bowl water inlet tube; a water outlet of the urinal is connected with the urine storage tank of the urination water returning device; a filter outlet of the urine filter is connected with a water inlet of the water supply tank for the urinal via an urination water returning tube. Clear water filtered by the urinal and a washing device is recycled, the urinal and the toilet bowl are flushed by the clear water filtered by the urinal and the washing device, and therefore, the effect of saving water is achieved.

The present invention provides a drawing rolling method of a mandrel mill capable of preventing overfilling and underfilling by a combination of grooved rolls. When the tube blank Cr content is more than 10%, set the outer diameter of the hollow tube blank so that the ratio (the outer perimeter of the hollow tube blank/the tube blank outer perimeter at the exit side of the finishing mill) is more than 1.1; when the tube blank When the Cr content is less than 10%, the outer diameter of the hollow shell is set so that the ratio is less than 1.1. Set the pass profile of the pass rolls that are respectively arranged on the 1st and 2nd rolling mills, so that the pass circumference determined by the plurality of pass rolls on the 1st rolling stand of the mandrel mill satisfies ( 1) Equation, the girth circumference determined by the plurality of gage rolls installed on the second rolling mill satisfies (2) Equation, and the girth circumference of each of the first rolling mill and the second rolling mill satisfies (3) Equation . After such setting, stretch rolling of the blank pipe is performed using a mandrel mill.

The invention discloses barreled water equipment capable of automatically controlling quantity. The barreled water equipment comprises a box; each of the two sides of the bottom part of an inner cavity of the box is fixedly connected with a supporting leg; the top ends of the supporting legs are movably connected with a conveyor belt through rotating shafts; an inner cavity of the conveyor belt isfixedly connected with a supporting plate; the top part of the supporting plate is fixedly connected with pressure sensors; the top part of the box is fixedly connected with a power supply and a processor in sequence from left to right; and the bottom part of the right side of the box is fixedly connected with a main water tank. According to the barreled water equipment disclosed by the invention, by cooperative use of the box, the supporting legs, the conveyor belt, the supporting plate, the pressure sensors, the power supply, the processor, the main water tank, a water pumping pipe, a waterpump and a solenoid valve, weight of each barrel of water can be detected; a water source can also be cut off automatically, so that the excessive filling phenomenon cannot occur during filling, working efficiency is greatly increased, the water source is saved, processing cost is reduced, and manual filling is not needed.

A soil particle smashing device comprises a smashing tank, a smashing device body, a vibration device and a PLC, wherein a material opening is formed in the top of the smashing tank. The smashing device comprises a smashing driving motor and a receiving barrel, wherein an output shaft of the smashing driving motor is connected with a rotating shaft, the rotating shaft extends into the receiving barrel, and smashing blades are installed on the rotating shaft. Material holes are formed in the bottom and the side wall of the receiving barrel. The vibration device comprises an electric push rod, atransverse rod and a hammering connecting rod, wherein two long sliding grooves are formed in one end of the hammering connecting rod, a hammering head is fixed to the other end of the hammering connecting rod, the electric push rod stretches into a tank body cavity between the smashing tank and the receiving barrel, and the free end of the electric push rod is clamped in the two sliding groovesand can slide along the sliding grooves. The PLC is installed at the top of the smashing tank and is in circuit connection with the smashing driving motor and the electric push rod. The material holesof the receiving barrel can be effectively prevented from being blocked in the smashing process, and it is guaranteed that smashed soil particles and lime have a relatively high mixing degree.

The invention relates to the technical field of engine oil filling, in particular to an accurate engine oil filling mechanism of an engine and a filling method of the accurate engine oil filling mechanism. The accurate engine oil filling mechanism comprises an engine oil pan and an oil tank, and further comprises an electromagnetic valve, an engine oil supplementing measurement and control device, a liquid level sensor and a vertical pipe, the oil tank is connected with a liquid inlet of the engine oil pan through the electromagnetic valve, the vertical pipe communicates with the bottom of the engine oil pan, and the liquid level sensor is arranged in the vertical pipe. The liquid level signal output end of the liquid level sensor is electrically connected with the liquid level signal input end of the engine oil liquid supplementing measurement and control device, and the control signal output end of the engine oil liquid supplementing measurement and control device is electrically connected with the control signal input end of the electromagnetic valve. The filling liquid level is monitored in real time through the liquid level sensor, opening and closing of the electromagnetic valve are controlled through the engine oil liquid supplementing measurement and control device, and accurate filling of engine oil is achieved.

A medical fluid delivery machine includes a pump interface having an actuation area for delivering positive or negative pressure to a medical fluid handling device; a pressure sensor positioned to measure pressure within the actuation area; a valve positioned to selectively vent the actuation area to atmosphere; and a control unit in signal communication with the pressure sensor and control communication with the valve, the control unit performing a sequence during pumping, wherein (i) application of positive pressure or negative pressure to the actuation area is stopped, the valve is switchedto vent the actuation area to atmosphere, then switched to close the actuation area to atmosphere, and at least one pressure signal reading is taken via the pressure sensor, and (ii) a determinationis made whether positive pressure or negative pressure to the chamber should be resumed based on the at least one pressure signal reading.

The invention discloses a follow-up system and follow-up steps for operation arrangement, and the steps are that an audio and video server stores a video after receiving the video, so as to enable theaudio and video server to return the video to a wireless network camera server under the condition that the audio and video server loses the stored audio and video, and enable the wireless network camera server to obtain the restorage; and a wireless network camera server uploads the stored video to the audio and video server and returns the video to the wireless network camera server, so that information transmission between the wireless network camera server and the audio and video server is formed. The defects that in the prior art, when information is transmitted between a network cameraserver and an audio and video server of a network operation arrangement system, the capacity of a temporary storage queue with the reduced size is not large, only a small amount of information can betransmitted between a transmitting party and a receiving party each time, and the transmission performance is poor are effectively overcome.

The invention relates to a care agent quantitatively charging unit (2) which is installed in a carpet brush. The care agent quantitatively charging unit is provided with a quantitative charging container (4) for containing the carpet care agent (18), a quantitatively charging roller (6) and a driving unit (8); the quantitatively charging container is provided with an output gap (10); the quantitative charging roller can rotate around an vertical shaft by the virtue of the charging roller unit (8) and the vertical shaft is parallel to the output gap (10); the quantitative charging roller (6) is projected into the output gap (10) so as to form a quantitative charging gap (12) between the quantitative charging roller (6) and the rim of the output gap (10); such that, the care agent (18 ) can be charged by the virtue of the rotation of the quantitatively charging roller (6) through the quantitative charging container (4) output. The invention provides a care agent quantitative charging unit (2), through which the care agent can be simply charged in the carpet.

The invention discloses a multifunctional obstetrical nursing rehabilitation bed, and relates to the technical field of obstetrics. The multifunctional obstetrical nursing rehabilitation bed comprises a bottom seat and a bed body, the top of the bottom seat is provided with an equipment mounting rack and a left-right adjusting mechanism, one inner side of the equipment mounting rack is provided with an electric push rod A, and one side edge of the equipment mounting rack is provided with a power connection seat; the left-right adjusting mechanism is composed of a Z-shaped pull rod, a guide shaft, bases, mounted bearings and a swing frame, the swing frame and the equipment mounting rack are arranged in parallel but not connected with each other, the bases are symmetrically and fixedly connected to the tops of the two sides of the equipment mounting rack, and the mounted bearings are connected to the tops of the bases through bolts. The limbs of a pregnant woman can be helped to be lifted up through adjusting, therefore, the blood circulation degree is improved, edema is relieved, meanwhile, family members and medical staff can be assisted in helping a puerpera to turn over and get out of bed, and the family members can be effectively reminded to replace or pour a urine bag before awaiting delivery and accompanying.

The invention provides an intelligent low-temperature vacuum cooking rod. The intelligent low-temperature vacuum cooking rod comprises an enclosure and a stirring device, wherein a water inlet is formed in the middle of the enclosure; a water discharging opening is formed in a bottom cover of the enclosure; the enclosure is internally provided with a heating device, wherein the heating device is provided with a plastic barrel body and a stainless steel heating sheet arranged on the plastic barrel body; an inner cavity of the plastic barrel body is hollow, the stainless steel heating sheet is arranged on a side wall of the plastic barrel body and an opening is formed in the bottom end of the plastic barrel body; water enters the enclosure from the water inlet and flows into the inner cavityof the plastic barrel body from the opening and then is heated; the stirring device is inserted into the plastic barrel body through the opening, and the temperature of the water is uniform through stirring; then the water is driven to flow out from the water discharging opening. According to the intelligent low-temperature vacuum cooking rod, food materials and condiments need to be prepared inadvance, and pre-set or remote temperature control of equipment is carried out through Wifi (Wireless Fidelity), the temperature can be accurate to 0.5 DEG C, and the intelligent low-temperature vacuum cooking rod is portable, small and has light weight.