45results about How to "Avoid undersupply" patented technology

Disclosed are an air-cooled water chiller with a natural cooling function and a control method for the water chiller. The air-cooled water chiller with the natural cooling function comprises a compressor, a condenser, a throttler and an evaporator which are sequentially connected, a condensate fan is arranged on the condenser, the air-cooled water chiller further comprises a natural cooling coil, a three-way valve, an inlet chilled water temperature sensor, an outlet chilled water temperature sensor, an outdoor environment temperature sensor and a controller, the natural cooling coil is arranged on an air inlet side of the condenser, the three-way valve comprises a first joint, a second joint and a third joint and is serially connected onto a water inlet pipe of the evaporator through the first joint and the second joint, a water inlet pipe of the natural cooling coil is communicated with the water inlet pipe of the evaporator, and a water outlet pipe of the natural cooling coil is communicated with the third joint of the three-way valve. The air-cooled water chiller has the advantages of remarkable energy-saving effect, high running reliability, simple control method, compact structure, small occupied space and low production cost.

The invention provides a robot, a fire-extinguishing system and a fire-extinguishing method. A body of the robot is provided with a mobile module, a first control module and a fire-extinguishing module, wherein the mobile module is connected with a rail and used for driving the body of the robot to move along the rail; the rail is arranged inside a preset place which comprises at least one fire-extinguishing subarea; the first control module is connected with the mobile module and used for driving the body of the robot to move to the fire occurrence subarea of the preset place by controlling the mobile module; and the fire-extinguishing module is used for executing fire-extinguishing operation after the body of the robot moves to the fire occurrence subarea. The invention can realize quick, long-distance, wide-range and automatically controlled fire-extinguishing.

The invention discloses a preparation device and a preparation method of a microbial mineralization reinforced recycled aggregate. The device comprises a sealable box containing a microorganism/calcium ion mixed culture solution, a supporting frame is arranged in the box, a tray for bearing recycled aggregate is placed on the supporting frame, a hole is formed in the bottom of the tray, the hole diameter is smaller than the particle diameter of the recycled aggregate, the bottom surface of the tray is higher than the liquid level of the mixed culture solution; a spraying pipeline and a spray head are arranged above the tray, a water inlet of the spraying pipeline is connected with the mixed culture solution through a water suction pump; the device further comprises a gas cylinder which iscommunicated with the interior of the box and filled with curing gas. The water suction pump is started, the mixed culture solution can enter the spraying pipeline and is sprayed out from the spray head to spray the recycled aggregate, the redundant mixed culture solution after spraying can flow into the bottom of the box from the holes in the bottom of the tray and then is recycled; meanwhile, spraying and curing can be carried out at the same time, and the problems that carbon source supply is insufficient in the spraying process and microorganism supply is insufficient in the curing processwhen spraying and curing are carried out step by step are effectively solved.

The invention relates to a shared bicycle dispatching system and dispatching method based on big data. The system comprises a user terminal, a cloud server, a dispatching system and a vehicle-mountedterminal, wherein an output end of the user terminal and an output end of the vehicle-mounted terminal are connected with an input end of the cloud server; the output end of the cloud server is connected with the input end of the dispatching system; the cloud server comprises a cloud memory, a cloud processor and an information acquisition unit. According to the shared bicycle dispatching system provided by the invention, position information of a user is acquired and position information of a shared bicycle is acquired, and the quantity demanded of shared bicycles in each region is analyzed;the shared bicycles are dispatched, so that the quantity of the shared bicycles in each region is sufficient and a condition that the supplied quantity is less than the required quantity is avoided, and the whole dispatching system is simple and easy to realize.

The invention discloses a negative-pressure suction type electronic cigarette atomizing core structure, which comprises an atomizing core shell, electric heating wires and liquid guide fiber cotton. The heating wires are arranged in the atomizing core shell; the liquid guide fiber cotton is arranged on the peripheries of the heating wires; liquid inlet holes are formed in the atomizing core shell; and the ends of the liquid guide fiber cotton are arranged on the locations of the liquid inlet holes. On the locations of the liquid inlet holes, the atomizing core shell protrudes inwards and is provided with a throat part of an annular strip; and the atomizing core on the locations of the liquid inlet holes is less than other parts of the atomizing core in inner diameter. The electric heating wires are arranged in the form of spirals; the liquid guide fiber cotton is designed as a rope-shaped structure and is arranged in the spirals; and the sectional area of the liquid guide fiber cotton is more than the area of the liquid inlet holes of the atomizing core shell. Each liquid inlet hole is a single round hole, a sieve-shaped liquid inlet hole which is formed by combining a plurality of holes or a grid-shaped liquid inlet hole which is formed by combining a plurality of strip-shaped holes. The structure of the atomizing core is a negative-pressure area which is generated on the basis of the venturi principle which is commonly used in physics; therefore, the atomizing core is beneficial for preventing liquid leakage and insufficient liquid supply.

The invention relates to the technical field of refrigeration, and particularly discloses a heat pipe natural cooling evaporative-type condensation water chiller. The heat pipe natural cooling evaporative-type condensation water chiller comprises a mechanical refrigeration system which is composed of a compressor, a condenser, a flow controller and an evaporator. The heat pipe natural cooling evaporative-type condensation water chiller further comprises a secondary circulation system used for conducting heat exchange with the evaporator. The secondary circulation system is provided with a natural cooling system capable of controlling the flowing direction of refrigerant in the secondary circulation system so as to conduct heat exchange with the refrigerant. The flow controller of the mechanical refrigeration system is connected with a flow controller bypass electromagnetic valve in parallel, and the compressor of the mechanical refrigeration system is connected with a compressor bypass electromagnetic valve in parallel. The mechanical refrigeration system, the secondary circulation system and the natural cooling system are electrically connected with a controller, and the controller controls all the systems to operate. By means of the heat pipe natural cooling evaporative-type condensation water chiller, an efficient evaporative-type condensation technology is adopted, the energy efficiency ratio of a unit is increased obviously, the cooling capacity of a low-temperature environment can be obtained through the natural cooling system when the outdoor environment temperature is lower, usage of the mechanical refrigeration system is reduced to the maximum degree and even stopped completely, and therefore operation energy consumption of the unit is reduced and the energy-saving effect is obvious.

The invention provides electrolysis-broaching combined machining tool electrodes and belongs to the technical field of special machining. According to the electrolysis-broaching combined machining tool electrodes, the structure is novel; through addition of insulating partition plates, an insulating pad and an insulating sleeve and implementation of insulation on electrolyte flow channel walls inside a cutter body, insulation of broach blades and porous metal electrodes is achieved, and the electrochemical machining process and the mechanical broaching machining process are guaranteed not to interfere with each other; and a porous metal material is adopted as the electrochemical machining electrode material, the problem that when external liquid spraying is conducted and a cutter cuts intoa workpiece, liquid feeding in the electrochemical machining process is insufficient is avoided, and the problem that corrosion of the workpiece surface material is not uniform when internal liquid spraying is conducted is also avoided. The broach blades and the porous material electrodes are designed to be in a split disassembling and assembling type; and when parts with different outlines and shapes are machined, the broach blades and the porous material electrodes can be replaced rapidly, and the advantages of high applicability and low comprehensive cost are realized.

The invention provides a preparation process of an assembled wall. The preparation process comprises the following steps of (1) loading a gypsum board: transferring the gypsum board to a compound platform by a first transportation platform; (2) loading an insulation material: paving the insulation material on the gypsum board first; (3) loading a coating material: paving the coating material on the insulation material; (4) online production and loading of a keel: manufacturing the keel on a processing platform, and transferring the keel to a module assembling platform by a second transportation platform; and (5) assembling: transferring the gypsum board to the module assembling platform by a third transportation platform, and starting the assembling mechanism to assemble the keel and the gypsum board into the assembled wall. The preparation process of the assembled wall improves the production efficiency and the product quality of the assembled wall, can achieve automatic loading, improves the production continuity and the production efficiency and avoids the problem that the keel is fed insufficiently and the feeding speed is not matched on a conventional production line.

The invention discloses an automatic price adjustment method, device and equipment for e-commerce commodities. The method comprises the following steps that: the device is connected with a server, obtaining commodity information of at least one commodity on an e-commerce platform, wherein the commodity information comprises cost information, sales volume information, transaction price information,profit information and the like of corresponding commodities; cost and profit mode accounting is carried out on the commodity corresponding to the acquired commodity information of each commodity; and constructing a profit model of the commodity corresponding to the acquired commodity information of each commodity according to the accounting cost and profit mode, and adjusting the commodity pricecorresponding to the acquired commodity information of each commodity according to the constructed profit model. By means of the mode, the commodity price on the e-commerce platform can be automatically adjusted without manual work, and the labor cost is reduced.

The invention provides a novel two-stage fuel filtering system. The novel two-stage fuel filtering system comprises a coarse filter assembly, a fuel delivery pump and a fine filter assembly, wherein the coarse filter assembly comprises a hand pump filter base and a coarse filter tank body which are mutually connected, the hand pump filter base is used for sucking and pumping fuel in a fuel tank into a pipeline, and the coarse filter tank body is used for filtering out impurities and air in the fuel for the first time; the fuel delivery pump is connected with a coarse filter fuel inlet of the coarse filter assembly, and used for pumping and pressing the fuel in the pipeline; and the fine filter assembly comprises a fine filter base and a fine filter tank body and is used for filtering the fuel output from the fuel delivery pump for the second time, the fine filter base and the fine filter tank body are connected, a fuel inlet of the fine filter assembly is connected with the fuel delivery pump, and a fuel outlet of the fine filter assembly is connected with an engine fuel jet device. The novel two-stage fuel filtering system is reasonable in arrangement and compact in structure, effectively prevents gas in the fuel from entering an engine, and accordingly, avoids the phenomenon of insufficient fuel supply caused by the fact that lots of gas enters the engine, and therefore, the engine is prevented from generating insufficient power or even stop due to the problems.

The invention relates to the solar photovoltaic technology field of and discloses an intelligent control system of a sun-tracking solar photovoltaic power station. The intelligent control system comprises a photovoltaic power generation module, a hydraulic steering module, a control module, a wind power generation module, a monitoring module and a photovoltaic power generation base. An output endof the photovoltaic power generation module is electrically connected with an input end of an energy conversion module. An output end of the energy conversion module is electrically connected with aninput end of an electric energy storage module. One end of the electric energy storage module is electrically connected with the control module. An output end of the control module is electrically connected with an input end of the wind power generation module. An output end of the wind power generation module is electrically connected with the input end of the electric energy storage module. Theintelligent control system of the sun-tracking solar photovoltaic power station has the wind power generation module and the output end of the wind power generation module is electrically connected with the input end of the electric energy storage module, so when it encounters continuous strong windy and rainy days, the wind power generation module can generate power to supplement the electric energy, thereby avoiding the phenomenon of insufficient power supply.

The invention discloses a dryer. The dryer comprises a dryer main body box and a drying unit; the drying unit consists of an evaporator, a compressor, a condenser and an expansion valve; the peripheryof the dryer main body box consists of a front box plate, a back box plate, a left box plate and a right box plate; and the drying unit is fixedly mounted on one side of the bottom end of the dryer main body box. The dryer is provided with a support rod, a ventilation pipe, an exhaust port and a feeding cross bar; when grain particles are conveyed on a conveying belt after entering the dryer mainbody box, the particles can be prevented from falling from cracks, and meanwhile, the drying effect is improved; hot steam generated by the drying unit can be uniformly transferred up to prevent nonuniform drying caused by narrow transfer range; and the grain particles can be preferably loaded, so that the supply insufficiency caused by slippage is prevented, the influence on the drying quantityand the drying efficiency is prevented, a certain practicability is achieved, and the better application prospect is achieved.

The invention belongs to the technical field of cardboard paper, and provides a production process of high-strength environment-friendly liner cardboard paper, which comprises the following steps: taking domestic bamboo fiber pulp, imported wet paper pulp, imported roll paper and national waste as raw materials according to a specific ratio; the wet paper pulp and the bamboo fiber pulp are mixed and pulped through a medium-concentration pulper, a sand remover, a pre-grinding pool, a disc mill and a post-grinding pool in sequence, and first mixed pulp is obtained; in the OCC pulping line, the cut roll paper and national waste are treated through an OCC pulper, a high-concentration sand remover, a discharging tower, a two-section coarse screen and a classifying screen in sequence to obtain long fibers and short fibers, and then the long fibers and the short fibers are subjected to aftertreatment to obtain long fiber pulp and short fiber pulp; and mixing the long fiber pulp, the short fiber pulp and the first mixed pulp, and performing papermaking to obtain the liner cardboard paper. According to the production process, national waste is mainly used, quantitative roll paper, wet paper pulp and bamboo fiber pulp are matched, and the production process is optimized, so that the cost is reduced, the production efficiency is improved, the quality of finished paper can be improved, and the problem that external waste import is limited is solved.

The invention discloses anti-blocking self-cleaning injection molding glue injection equipment. The anti-blocking self-cleaning injection molding glue injection equipment structurally comprises a discharging groove, an equipment box, a carrying frame, a controller and an injection molding bin, wherein the bottom of the discharging groove is welded to the surface of the equipment box; the equipment box is fixed to the upper end of the carrying frame through bolts; the upper end of the carrying frame is fixed to the injection molding bin through bolts; the right side of the injection molding bin is hinged to the controller; the controller is in clearance fit with the interior of the equipment box; the discharging groove comprises a plastic discharging opening, clamping blocks, a workbench, a mold block and a conveying pipe; the two sides of the plastic discharging opening are connected with the clamping blocks in a clamped mode; the left side of the plastic discharging opening is in clearance fit with the conveying pipe; and the conveying pipe is in clearance fit with the surface of the workbench. According to the anti-blocking self-cleaning injection molding glue injection equipment, a swing rod swings in cooperation with a spring rod under the compression of plastic raw materials, the swing amplitude of the swing rod is increased through the elasticity of an elastic strip matched with the top end of the swing rod, and the discharging speed of plastic in the swing rod is increased by increasing the swing amplitude, so that the phenomenon that the inner side of the plastic discharging opening is stuck by the plastic raw materials, and supply is insufficient is effectively avoided.

The invention discloses an efficient concrete spacer block machine, and relates to an automatic concrete spacer block forming device for buildings. The efficient concrete spacer block machine comprises a main forming machine; a material feeding device, a plate feeding device and a plate receiving device are distributed on the periphery of the main forming machine; the main forming machine comprises the structure that four upper sliding sleeves are arranged at four corners of an upper die box, and are arranged on sliding bars in a sleeving manner; an upper die is arranged in the upper die box; the upper die box and the upper die are arranged at the lower part of an upper connecting plate; the upper connecting plate is connected with an upper hydraulic cylinder; the upper hydraulic cylinder is arranged at the top of a machine frame, and can be used for lifting up or putting down the upper die box and the upper die; four lower sliding sleeves are arranged at four corners of a lower die frame, and are arranged on the sliding bars in a sleeving manner; a lower die is arranged in the lower die frame; two lower hydraulic cylinders are symmetrically hinged to two sides of the lower die frame; the lower hydraulic cylinders can lift up the lower die frame and the lower die; an oscillating plate is arranged at the lower part of the lower die frame; a supporting plate can be inserted in a part above the oscillating plate; an urgent vibration box is connected with the lower part of the oscillating plate, and comprises two polarization wheels; the polarization wheels are connected with vibration motors through belts. The efficient concrete spacer block machine has the beneficial effects that the capacity of a distribution box can be adjusted, the service life of the supporting plate is long, the vibration effect is good, and the efficiency is high.

Provided are a fuel cell system which can avoid an excess or insufficient feed of a gasified fuel thereby to generate an electric power stably in a high output, and an electronic device using the system. In a carburetor chamber (30A), a protrusion (41) is formed as a heat transfer portion for transferring the heat generated in a generator unit (10), to a liquid fuel fed to the carburetor chamber (30A). Between the leading end of the protrusion (41) and the inner wall face of an inner member (31), there is formed a gap (G), in which the liquid fuel fed from the leading end of a fuel feed passage (24) is gasified by transferring the heat efficiently to it. The protrusion (41) may also contact the inner wall face of the inner member (31) near the leading end portion of the fuel feed passage (24), thereby to transfer the heat of the generator unit (10) to the inner member (31) through the protrusion (41) so that the liquid fuel may be gasified by transferring the heat to it through the inner member (31). Thus, the area to be heated can be restricted according to the position of the protrusion (41), and the quantity of the heat to be transferred to the liquid fuel can also be controlled according to the size of the protrusion (41).

The invention relates to a liquid seasoning supply device and a dish-frying machine. The liquid seasoning supply device comprises material discharge and air inlet valves with inlets and outlets, material discharge valves with inlets and outlets, a conveying pump with an inlet and an outlet, and storage boxes for storing liquid seasonings, wherein each storage box is provided with an air inlet anda material discharge hole; the air inlet of each storage box is connected with the outlet of the corresponding material discharge and air inlet valve through a conveying pipe, the material discharge hole of each storage box is connected with the inlet of the corresponding material discharge valve through a conveying pipe, and the outlet of each material discharge valve is connected with the inletof the conveying pump through a conveying pipe. For the liquid seasoning supply device, the material discharge and air inlet valve is connected to the air inlet of each storage box and the material discharge valve is connected to the material discharge hole of the corresponding storage box, the material discharge and air inlet valves and the material discharge valves can be opened when dischargingis needed, the material discharge and air inlet valves and the material discharge valves are closed when discharging is not needed, thus the closure of the storage and supply of the liquid seasoningsis realized, then the storage time of the liquid seasonings is prolonged, and the safety of the seasonings is improved.

The invention relates to a continuous constant-volume quantitative feeding device for powder materials, which comprises a vacuum feeding machine, a storage box, a feeding level sensor, a discharging level sensor, a sealing cavity, a powder conveying device, a multi-stage powder cleaning device and a linking platform, wherein the vacuum feeding machine is fixed above the storage box; the storage box is fixed above the sealing cavity; the powder conveying device and the multi-stage powder cleaning device are accommodated in the sealed cavity; the feeding level sensor and the discharging level sensor are fixed on the side wall of the storage box; the powder conveying device comprises a driving motor, a driving synchronous belt wheel, a driven synchronous belt wheel and a conveying belt; the driving motor is connected with the driving synchronous belt wheel through a synchronous belt; the conveying belt comprises a forward toothed belt and a reverse toothed belt which are integrally formed, the forward toothed belt is arranged on the driving synchronous belt wheel and the driven synchronous belt wheel in a sleeving mode, the convex face of the reverse toothed belt is tangent to the side wall of the storage box, powder in the storage box falls into a groove of the reverse toothed belt, and the sealing cavity is communicated with a linkage platform through a discharging opening.

The invention discloses a method for establishing a big data iris database and applying an iris system, the iris database comprises a portal website, an iris system application and subsequent services, the iris system application comprises an access control terminal, a registration terminal and a payment terminal, and the iris system application provides the subsequent services for registered users of all the terminals at the same time. The safety of all user information in the iris database is guaranteed, meanwhile, the best experience is brought to the user to the maximum extent; when a registered user of one device uses other two devices, automatic recognition can be conducted, and real-name authentication is completed when the payment terminal is used. All the data in the iris databasefinally form real-name system data to complete the establishment of the big data iris database, and meanwhile, the information security and the mobile payment convenience of the user are improved.

The invention relates to the technical field of refrigeration, and discloses a secondary circulation type evaporation-condensation natural cooling water chiller. The secondary circulation type evaporation-condensation natural cooling water chiller comprises a mechanical refrigeration system which is composed of a compressor, a condenser, a flow controller and an evaporator. The secondary circulation type evaporation-condensation natural cooling water chiller further comprises an inner circulation system used for conducting heat exchange with the evaporator and a secondary circulation system used for conducting heat exchange with the inner circulation system through a liquid-liquid heat exchanger. The inner circulation system is provided with a natural cooling system capable of controlling the flowing direction of refrigerant in the inner circulation system so as to conduct heat exchange with the refrigerant. The mechanical refrigeration system, the inner circulation system, the natural cooling system and the secondary circulation system are electrically connected with a controller, and the controller controls all the systems to operate. By means of the secondary circulation type evaporation-condensation natural cooling water chiller, the mechanical refrigeration system, the inner circulation system, the secondary circulation system and the natural cooling system achieve five regulation and control methods and are suitable for meeting the refrigeration needs in different temperature environments, the free cooling capacity can be obtained through the natural cooling system when the outdoor environment temperature is low, usage of the mechanical refrigeration system can be reduced and even stopped completely, and the energy-saving effect is obvious.

The invention relates to the field of plastic processing, in particular to a polyethylene granulating method. The method comprises the following steps that S1, a material is placed in granulating equipment for granulating; and S2, a cooling spray head is mounted on a discharging opening of the granulating equipment in S1 and is used for spraying cold air to fast cool extruded-out strip polyethylene, the brittleness of the polyethylene is improved, and then the cooled strip polyethylene is cut off by a cutting knife to form polyethylene granules. According to the method, the cold air is adoptedfor fast cooling the polyethylene on the discharging opening, the polyethylene can be cooled fast, and therefore the polyethylene cooling speed is increased, and fast cutting and granulating are facilitated.

The invention provides a machining method for a gear ring of a main bearing of a heading machine. The machining method comprises the following steps that S1, rough gear milling and semi-finish gear milling are sequentially conducted on teeth in the gear ring; s2, overall tempering is conducted on the gear ring; then, the maximum pitch circle run-out position serves as a tool setting point to carry out fine tooth milling on the teeth; s3, teeth in the gear ring are divided into N groups, and the teeth in each group are spaced by at least one tooth; quenching the N groups of teeth in sequence; and S4, the maximum pitch circle run-out position serves as a tool setting point to conduct hard gear milling on the teeth, and the main bearing gear ring of the heading machine is obtained. The gear ring obtained through the machining method has the advantages of being few in crack and high in yield.