81results about How to "Improve cycle efficiency" patented technology

The invention belongs to the technical field of battery negative electrode materials, and particularly relates to a phosphorus-based negative electrode material with a coating structure as well as a preparation method and application of the phosphorus-based negative electrode material. On the basis of the prior art, nano nickel phosphide, red phosphorus and carbon nanospheres are subjected to ball milling to prepare a main body phosphorus-based material, and then the main body phosphorus-based material is coated with a coating layer prepared from a nanofiber material, pyrrole and 5-azaindole, so that the coating layer of the phosphorus-based negative electrode material has elasticity, the volume expansion rate of the phosphorus negative electrode material is reduced, and the service life of the phosphorus negative electrode material is prolonged. According to the nickel phosphide-based negative electrode material and the preparation method thereof, the interface interaction between the phosphorus-based negative electrode material and the binder is enhanced, the prepared nickel phosphide grows on the black phosphorus nanosheet, so that the nickel phosphide has good dispersity, the nickel phosphide nanocrystals can be effectively prevented from being agglomerated, and the energy storage capacity of the nickel phosphide is improved; and after the 5-hydroxy vanillin is grafted, the adhesive has excellent wet adhesion resistance, and can prevent the dissolution of phosphorus element, so that the cycle efficiency of the electrode is improved.

The utility model provides a temperature regulating system of a compressed air energy storage chamber, which comprises an artificial chamber horizontally arranged underground, a vertical shaft arranged at the top of the artificial chamber, an air circulating pipeline and a water pipeline, the air circulating pipeline and the water pipeline are arranged in the artificial chamber, and an air inlet and an air outlet at two ends of the air circulating pipeline are oppositely arranged along two sides of the artificial chamber respectively. An axial flow fan is arranged in an air inlet of the air circulating pipeline, the water pipeline comprises a water inlet pipeline and a water outlet pipeline, the water inlet pipeline is communicated with a water outlet of the warm water tank and an in-plant circulating cooling water inlet, the water outlet pipeline is communicated with a water inlet of the cold water tank and an in-plant circulating cooling water return port, and a spiral heat exchange pipe is arranged between the water inlet pipeline and the water outlet pipeline. The spiral heat exchange pipe is embedded in the air circulation pipeline behind the axial flow fan and used for exchanging heat with air in the chamber, adjusting the temperature of the air in the artificial chamber during inflation energy storage and deflation energy release, guaranteeing the structural safety of surrounding rock around the artificial chamber and prolonging the service life of sealing materials in the chamber.

The utility model discloses a gold powder washing and drying machine which comprises a barrel body, gold powder is contained in the barrel body, and an inner cavity of the barrel body is provided with a concave spherical wall; the overturning assembly comprises an overturning device and a first power part for driving the overturning device to rotate, and the overturning device is located in the barrel body and used for overturning the gold powder in the barrel body; wherein the turning device is provided with a center shaft and a plurality of spiral battens distributed in the circumferential direction of the center shaft, the spiral battens are attached to the spherical surface wall, one end of each spiral batten is connected with the center shaft, and the other end of each spiral batten extends upwards in a spiral mode along the spherical surface wall. Gold powder at the bottom of the barrel body can be fully turned up, the gold powder and washing liquid are fully mixed, and the washing efficiency is improved.

The utility model belongs to the technical field of cold and hot water units, and discloses a four-way valve cold and hot machine which comprises an outer box body, an upper cover is fixedly installed at the upper end of the outer box body through bolts, a main machine and an evaporator are fixedly installed in the outer box body, and a liquid inlet pipe and a liquid outlet pipe are installed on the side surface of the main machine. A mounting plate is fixedly arranged on the surface of the outer side of the main machine, a non-return mechanism is arranged on the upper surface of the mounting plate, and by preventing hot air from flowing back and communicating, heat loss is reduced, so that energy efficiency is improved, and efficiency is improved. According to the four-way valve cooling and heating machine, a linkage structure of the switching disc, the flow guide groove and the one-way valves is integrated in the non-return mechanism, accurate non-return and energy efficiency improvement are achieved through switching of the one-way valves with different damping characteristics, and dual protection of mechanical damping non-return and electric control path cut-off is formed in cooperation with on-off control over a liquid outlet path through an electromagnetic valve; and hot air is thoroughly prevented from flowing back and communicating through a gap between the four-way valve and the non-return box.

The application relates to the technical field of water purification equipment, and relates to a water treatment equipment which comprises a water channel structure, a filter core assembly, a temperature adjusting device, a heat exchange water channel and a liquid channel control device; the temperature adjusting device comprises multiple heat exchange channels; the liquid channel control device is used for controlling the heat exchange water in the temperature adjusting device to be transferred into the transfer channel and then discharged from the wastewater outlet. The water treatment equipment of the embodiment realizes multi-path heat exchange of the heat exchange water by arranging the temperature adjusting device comprising multiple heat exchange channels.

The utility model discloses a self-cleaning intelligent temperature control fresh air system of a prefabricated cabin, which belongs to the technical field of temperature control air exhaust and comprises a fresh air supply module and an axial flow air exhaust module which are arranged in the prefabricated cabin and communicated with an inner cabin of the prefabricated cabin through air ducts. The axial flow air exhaust module and the fresh air supply module are oppositely arranged on the two sides of the prefabricated cabin, a temperature control probe used for monitoring the temperature in the prefabricated cabin is further arranged in the prefabricated cabin, the temperature control probe, the fresh air supply module and the axial flow air exhaust module are all connected with the PLC host, and the axial flow air exhaust module comprises a plurality of axial flow air exhaust fans arranged in parallel. The fresh air supply module comprises a first fresh air supply machine and a second fresh air supply machine which are arranged in parallel, the fresh air supply module and the axial flow air exhaust module can work independently, and by arranging a fresh air self-cleaning air supply system and an air exhaust axial flow fan, the temperature in the cabin body is reduced through air circulation.

The invention relates to the technical field of agricultural automatic picking equipment, and discloses a tail end grabbing mechanism for picking fruits and vegetables, the tail end grabbing mechanism for picking fruits and vegetables comprises a tail end grabbing mechanism body arranged on a picking mechanical arm, and the tail end grabbing mechanism for picking fruits and vegetables utilizes the arrangement of a movable assembly and the cooperation of bevel gear transmission and thread adjustment to grab the fruits and vegetables. When the flexible fingers clamp fruits and vegetables, a driving block is triggered to slide, a bevel gear is driven by a sliding rod and a rotating shaft to perform transmission, and finally the transmission is converted into lifting motion of a threaded rod and the abutting disc, so that an adaptive clamping space can be provided for picking the fruits and the vegetables, and the abutting disc can be attached to the tops of the fruits and the vegetables during placement to buffer fruit and vegetable falling rebound force; meanwhile, the driving block can be automatically reset through the reset spring, the cyclic operation efficiency of the mechanism is improved, the picking and placing safety is guaranteed, and the risk that fruits and vegetables are damaged is reduced.

The invention discloses a carbon dioxide cycle power generation system integrating methanol energy storage and utilization, and relates to the technical field of power generation systems, the carbon dioxide cycle power generation system comprises a methanol storage tank, a combustion chamber, a gas turbine and a co-electrolytic tank, the methanol storage tank is connected with a methanol decomposition reactor; a synthesis gas compressor is arranged between the combustion chamber and the methanol decomposition reactor; the combustion chamber has a carbon dioxide inlet; the gas turbine is communicated with an exhaust port of the combustion chamber; the co-electrolytic tank is communicated with the exhaust end of the gas turbine, an oxygen branch and a synthetic gas branch are arranged at the exhaust end of the co-electrolytic tank, and the oxygen branch is connected with an oxygen storage tank; the synthesis gas branch is connected with a methanol synthesizer; the methanol synthesizer is communicated with a methanol storage tank; methanol is used as fuel to be applied to direct-fired carbon dioxide circulation, generated carbon dioxide and water can generate carbon monoxide and hydrogen fuel needed by methanol synthesis after being electrolyzed through the co-electrolytic tank, balance of fuel consumption and synthesis is achieved, and reduction of carbon emission is facilitated.

The utility model discloses a high-pressure jet vacuum valve which comprises a valve body and an afflux pipe, the valve body is provided with a liquid inlet section, a communication chamber, a jet section and a liquid outlet section which are communicated in sequence, liquid is input from the liquid inlet section and enters a liquid inlet pipe, and due to the fact that the inner diameter of the liquid inlet pipe is reduced, the liquid is jetted out from the liquid inlet pipe at a high speed and enters the jet section. Local vacuum is formed in the communicating chamber, so that the liquid in the converging pipe is sucked under the action of negative pressure, and the mixed liquid is output from the liquid outlet section. The utility model further provides a metal working fluid circulating system, which utilizes the high-pressure jet vacuum valve, adopts the Bernoulli principle, conveys the metal working fluid to purification equipment, sucks away the metal working fluid at a cutter of the machining equipment, improves the circulating efficiency of the metal working fluid, and saves energy consumption at the same time. The utility model further provides a metal working fluid circulating system comprising the high-pressure jet vacuum valve.

The invention provides a novel energy storage system based on carbon dioxide phase change characteristics and an operation method thereof. The novel energy storage system comprises an air compression process, a propane cold energy storage process, a carbon dioxide expansion power generation process, a heat energy loop and a cold energy loop. The volume utilization rate of the storage tank is remarkably increased, the construction cost is reduced, the system efficiency is greatly improved through cold energy gradient utilization, and the expansion power generation process is efficient and stable.

The present application belongs to the technical field of lithium resource extraction. The present application provides a gel-state lithium ion adsorbent and a preparation method and a delithiation method thereof. The preparation method comprises mixing lithium ion sieve material, alginate, galloyl glucose compound and calcium chloride to gel, and then drying to obtain dry gel, thereby obtaining the gel-state lithium ion adsorbent. The preparation method uses alginate and galloyl glucose compound to mix and crosslink, thereby improving the crosslinking strength and the compression resistance of the gel, and making the pore size distribution of the gel more uniform and dense, which is beneficial to improving the lithium extraction capacity. The obtained dry gel has a larger particle size than the powder, and has better hydrophilicity, which can increase the flowability during lithium extraction and reduce the loss, thereby improving the cycle efficiency.

The invention relates to the technical field of liquid injection, and discloses a filling system and a filling method.The filling system comprises a valve set, a first valve set, a second valve set, a third valve set and a fourth valve set, the first valve set and the second valve set are communicated with a first opening of a two-way hydraulic unit, and the third valve set and the fourth valve set are communicated with a second opening of the two-way hydraulic unit; the vacuumizing piece is communicated with the first channel and the third channel; the liquid injection part is communicated with the second channel and the fourth channel; the filling system has a vacuumizing state, a first liquid injection state and a second liquid injection state, in the vacuumizing state, the first channel and the third channel are opened, and the second channel and the fourth channel are closed, in the first liquid injection state, the first channel and the fourth channel are opened, and the second channel and the third channel are closed, and in the second liquid injection state, the second channel and the third channel are opened. The first channel and the fourth channel are closed. The filling system can reduce the gas amount in the two-way hydraulic unit, increase the liquid filling amount in the two-way hydraulic unit, and improve the performance and reliability.

The present invention discloses a natural gas power generation system and method combined with liquefied air energy storage, wherein the natural gas power generation system includes an air liquefaction subsystem, a liquefied air gasification subsystem, an LNG gasification subsystem, a gas turbine subsystem, a waste heat utilization subsystem and a carbon dioxide capture subsystem; the air liquefaction subsystem produces liquefied air; the liquefied air gasification subsystem uses liquefied air to generate electricity; the LNG gasification subsystem uses LNG cold energy for the air liquefaction subsystem and the carbon dioxide capture subsystem to gasify LNG into natural gas; the gas turbine subsystem uses part of the natural gas of the LNG gasification subsystem as fuel for power generation; the waste heat utilization subsystem uses the waste heat of flue gas for power generation; the carbon dioxide capture subsystem is coupled with the LNG gasification subsystem to condense and capture carbon dioxide in the flue gas. The present invention can solve the defects of large energy loss and low efficiency in the prior art and reduce greenhouse gas emissions.

The heat dissipation support capable of adjusting the wind direction angle of the fan comprises a machine case assembly, a control assembly, an adjusting assembly and a heat dissipation assembly, the control assembly is arranged on the inner side wall of the machine case assembly so that a machine case can be controlled conveniently, and the adjusting assembly is arranged on the inner side wall of the machine case assembly so that the fan can be adjusted conveniently. The heat dissipation assembly is arranged on the inner side wall of the case assembly to facilitate heat dissipation of the interior of the case, the adjusting assembly comprises a fixing frame and an adjusting support, the fixing frame is arranged on the inner side wall of the case assembly, the adjusting support is arranged at one end of the fixing frame to facilitate adjustment of the fixing frame, and the adjusting support and the fixing frame are combined to facilitate adjustment of the interior of the case. And the blowing angle of the fan is flexibly adjusted. A user can dynamically adjust the direction of the fan and accurately cover a high-temperature area according to hardware load distribution in the case, so that the problem of local overheating caused by a fixed fan is avoided, the air circulation efficiency is remarkably improved, and the frequency reduction or downtime risk caused by overheating of hardware is effectively prevented.

The invention belongs to the technical field of hydrogen storage tanks, and discloses a low-temperature high-pressure hydrogen storage tank which comprises an outer barrel body, an inner barrel body is fixedly mounted on the inner wall of the outer barrel body, the outer side of the inner barrel body is coated with an insulating layer, a liquid pumping / feeding pipe is mounted in the inner barrel body, and a vaporization coil pipe is fixedly mounted on the inner wall of the outer barrel body. A liquid level meter is fixedly installed between the middle of the outer barrel body and the middle of the inner barrel body, a base is fixedly installed at the bottom end of the inner wall of the outer barrel body, and the top end of the base is fixedly connected with the bottom end of the inner barrel body. An up-down convection assembly is installed on the inner wall of the outer barrel body and comprises an arc-shaped gathering cover fixedly installed on the outer side of the base, a flow guide pipe is fixedly installed at the bottom end of the arc-shaped gathering cover, and a spraying ring is connected to the outer side of an air outlet of the flow guide pipe. The heat transfer effect is further improved, the local overheating phenomenon is reduced, and the stability and safety of the hydrogen storage tank under the low-temperature and high-pressure conditions are ensured.

The utility model belongs to the technical field of domestic water, and particularly relates to a diaphragm type balance valve core for a pipe-in-pipe and a balance valve. The balance valve is provided with a balance valve element and comprises a balance valve frame, a balance valve element and a balance valve element, the valve core seat is mounted on the balance valve frame; the diaphragm component is installed on the valve element seat or in the balance valve frame, and a balance channel is arranged between the valve element seat and the diaphragm component or between the balance valve frame and the diaphragm component; the diaphragm component can deform and change the sectional area of the balance channel according to the pressure of the first channel. The medium pressure is large, the deformation amount of the diaphragm component is large, and the backflow amount of the balance channel is small, so that the backflow amount of the branch away from the circulating pump is larger than or equal to the backflow amount of the branch close to the circulating pump, the effect that the backflow amount is small and large is achieved, and the circulating efficiency and the water quality of the branch at the far end are guaranteed.

The utility model provides a baffle plate structure of a drying box. The baffle plate structure comprises an upper drying box module, wherein the upper drying box module is sequentially provided with a first air inlet chamber, a first flow equalizing chamber and a first air return chamber from top to bottom; the lower drying box module is sequentially provided with a second air inlet chamber, a second flow equalizing chamber and a second air return chamber from bottom to top; at least one baffle plate unit is arranged in each of a first flow equalizing chamber and a second flow equalizing chamber, and the baffle plate units enable hot air to be uniformly distributed in the chambers and form balanced dry airflow on the upper surfaces and the lower surfaces of materials in a refraction, rotational flow or segmentation mode; the baffle plate units are connected with the first flow equalizing cavity and the second flow equalizing cavity through the adjustable connecting mechanisms, so that the mounting inclination angles of the baffle plate units can be adjusted according to material characteristics and drying requirements, the baffle plate units can be quickly matched with materials of different thicknesses or shapes, and the drying efficiency is further improved.

This invention discloses a rapid prototyping and positioning device for lightweight battery cases made of polyphenylene sulfide (PPS) composite materials, belonging to the field of battery case manufacturing technology. The device includes a molding machine with a worktable and a hydraulic plate. A case component is slidably mounted on the side wall of the hydraulic plate facing the worktable. A molding cavity adapted to the shape of the case component is mounted on the top of the worktable. The positioning box contains a secondary positioning pin, a drive threaded rod, and a correction mechanism for correcting the secondary positioning pin. This invention, through the graded positioning and cooperation of the primary and secondary positioning pins, allows PPS composite case components with slight warping, hole misalignment, or local deformation to first complete the reference import, and then, under the combined action of the secondary positioning pin and the correction mechanism, perform flexible correction and precise positioning, thereby balancing rapid clamping, positioning stability, and molding accuracy.

The invention discloses a halogenated hydrocarbon polymer mediated hard carbon material, a preparation method and application thereof, and a battery. The preparation method comprises the following steps: (1) sequentially carrying out pre-carbonization and ball milling on bamboo powder, and then carrying out surface oxidation treatment to obtain a bamboo powder precursor; and (2) mixing the bamboo powder precursor with a solution containing a halogenated hydrocarbon polymer, drying, and carbonizing to obtain the halogenated hydrocarbon polymer mediated hard carbon material. The preparation method disclosed by the invention is simple to operate, low in cost and easy for industrial production, and the prepared hard carbon material has a rich internal closed-pore structure and shows excellent cycle stability and high cycle efficiency when being applied to batteries.

This utility model provides a stamping equipment for medium and large-sized tapered roller bearing cages, belonging to the technical field of tapered roller bearings. It addresses the problem that existing bearing cages, after press-fitting, have a low protrusion height from the mold, and their significant weight makes it difficult for workers to stably grip the workpiece. The equipment includes a stamping machine body, fixed racks, a lifting plate, an automatic lifting assembly, and a limiting assembly. Two fixed racks are respectively fixedly connected to two fixed blocks. The lifting plate is located inside the pressing mold. Two sets of automatic lifting assemblies are distributed on the left and right sides of the stamping machine body. The limiting assembly is located inside a limiting box. This utility model utilizes the manual dragging action of the sliding component to automatically lift the stamped cage and inner ring, expanding the cage handling range. Simultaneously, the limiting plate prevents excessive dragging of the sliding component, effectively reducing the risk of workpiece drop.

The application discloses an organic-inorganic composite structure for storing metal lithium and a preparation method and application thereof, relates to the technical field of battery materials, and comprises an organic film containing a polymerized ionic liquid and a three-dimensional inorganic frame structure, wherein the organic film is formed by compounding a polymerized ionic liquid, a lithium salt and an organic polymer; the polymerized ionic liquid is formed by photo-polymerization or thermal polymerization of an ionic liquid monomer composed of an imidazole ring cation containing a polymerizable functional group with a carbon-carbon double bond or a triple bond and a functional anion; and the mass ratio of the precursor monomer of the polymerized ionic liquid to the organic polymer is 1:1-1:10. The organic-inorganic composite structure for storing metal lithium and the preparation method and application thereof can provide deposition storage space for metal lithium, effectively inhibit lithium dendrite growth and volume expansion, and improve the internal structure stability and safety in the battery cycle process.

The utility model discloses a compressed air energy storage chamber temperature control system, which is applied to a chamber and comprises a first water source group, a second water source group and a temperature control system, the second water source group is used for providing heating water; the water pump assembly comprises a first cylinder body and a second cylinder body which are independent from each other, pistons are arranged in the first cylinder body and the second cylinder body respectively, and the two pistons are driven by the same power source to move in opposite directions; one end of the first water supply pipeline communicates with the first water source set and the second water source set, and the other end of the first water supply pipeline communicates with a left cavity of the first cylinder body and a left cavity of the second cylinder body. And cooling water of the first water source group / heating water of the second water source group is conveyed to the left chamber of the first cylinder body and / or the left chamber of the second cylinder body.

The utility model discloses a kind of circulating pet water dispensers, including water storage tank and support seat, pump body assembly is configured in support seat, first containing cavity is provided in support seat, the setting of pump body assembly part is in first containing cavity, water tray is provided in the top of first containing cavity, water outlet channel and water inlet channel are formed in support seat, the water outlet channel is communicated with water tray, drain outlet is provided in the bottom of first containing cavity, the sealing member that can be opened and closed is provided in drain outlet, the drain outlet is located above water storage tank. Through being provided with first containing cavity in support seat, while pump body assembly is set in first containing cavity, the problem that pump body assembly durability is caused by being set in water storage tank is avoided, while drain outlet is set in the middle of support seat, so that the dirt in its water tray can be discharged from water tray faster, so that the water in water tray can have better circulation efficiency.

The invention discloses an elevator with a self-lubricating chain transmission box, which relates to the technical field of elevator transmission, and comprises a shell, a chain and a lubricating assembly, the lubricating assembly comprises a lubricating box, a chain box, a worm, a worm gear, a chain wheel, a chain groove, an impeller, a liquid storage cavity and a driving motor. The lubricating box is fixed in the shell, a worm and a worm gear are arranged in the lubricating box, the worm gear is meshed with the worm, the worm gear is rotatably connected in the lubricating box, and the worm is fixed on a rotating shaft of the driving motor; the chain box is fixed in the shell and located on one side of the lubricating box, a chain wheel is arranged in the chain box, and the bottom of the chain box is open; the impeller is fixed in the lubricating box, and the impeller and the worm gear are coaxially arranged; the liquid storage cavity is formed in the lubricating box and located on the lower side of the worm, lubricating oil used for lubricating the worm and the worm gear is stored in the liquid storage cavity, and the lubricating oil in the liquid storage cavity flows in the lubricating box through the impeller; the lubricating oil circulation efficiency can be improved, the worm gear and the worm are more wear-resistant, and the heat dissipation efficiency is improved.

The utility model discloses a water pushing device for mandarin fish culture and belongs to the technical field of mandarin fish culture. The device comprises a vertical moving mechanism, a mounting frame, a horizontal moving mechanism and a water pushing mechanism, a moving part of the vertical moving mechanism is fixedly connected with the mounting frame, and the vertical moving mechanism is used for being fixed to a to-be-mounted object; the horizontal moving mechanism is mounted on the mounting frame, the mounting frame is slidably connected with the water pushing mechanism, and a moving part of the horizontal moving mechanism is fixedly connected with the water pushing mechanism. In the device, the installation depth of the water pushing mechanism and the distance from the water pushing mechanism to the center of the fishpond can be adjusted, water flow distribution can be remarkably optimized, water quality management can be improved, the water circulation efficiency and oxygen distribution can be improved, and meanwhile the requirements of different breeding stages are met.

The invention relates to the technical field of lithium ion batteries, in particular to a phosphate positive electrode material and a preparation method and application thereof. Provided is a phosphate-based positive electrode material having a minimum particle diameter of 80 nm or more and a particle diameter dispersion coefficient (PDI) of less than 0.4. The minimum particle size of particles of the phosphate positive electrode material is controlled to be greater than or equal to 80nm, so that fine powder particles less than 80nm cannot appear in the particles, and the stability of a crystal structure of the material is improved, so that the overall thermal stability and cycle performance of the material are improved; the particle size dispersion coefficient PDI is further controlled to be less than 0.4, and when the particle size dispersion coefficient is smaller, the distribution of the positive electrode material is more uniform, so that the phosphate positive electrode material with narrow particle size distribution and uniform particle size is obtained, the processing performance of the material is effectively improved, and the rate cycle stability is improved.

This utility model relates to the field of konjac flour drying technology, specifically a hot air circulation assembly for drying konjac flour. It includes a base plate, with a drying cylinder fixed to the base plate. A hot air circulation structure for drying the material inside the drying cylinder is located on the top surface of the base plate. The hot air circulation structure includes a hot air generator installed on the top surface of the base plate, an outlet pipe tightly fitted to the inlet end of the hot air generator for collecting hot air from inside the drying cylinder, and an inlet pipe tightly fitted to the outlet end of the hot air generator for blowing hot air into the drying cylinder. It also includes a stirring mechanism located inside the drying cylinder. This utility model solves the problems of heat energy waste and uneven drying by setting up a hot air circulation structure; it solves the problem of material accumulation and insufficient contact with hot air by setting up a stirring mechanism; and it solves the problem of pipe blockage affecting hot air circulation by setting up an upper filter plate, a lower filter plate, and a variable frequency ventilation fan.

The utility model discloses an air fryer which comprises a machine body and a fryer body, a hot air assembly is arranged in the machine body, the hot air assembly comprises a heating piece and a hot air fan, the fryer body is provided with a cooking cavity, the hot air assembly conveys hot air to the cooking cavity to heat food materials, and a reflecting cover arranged above the cooking cavity in a covering mode is further arranged in the machine body. The side wall of the reflection cover is provided with an air inlet, fresh air entering from the air inlet blows to the heating piece, electric fan blades and an air guide cover extending up and down are further arranged in the machine body, and the air guide cover and the reflection cover define a fresh air channel with the cross section being large in the upper portion and small in the lower portion. The utility model provides an air fryer which achieves the effect of actively conveying fresh air into a cooking cavity.

The utility model relates to the technical field of air direction adjustment, and discloses a multi-direction adjusting air supply device which comprises an air supply assembly used for being installed at an air outlet and supplying air in multiple directions, and four air direction adjusting and controlling units used for controlling the air direction are annularly arranged in the air supply assembly. The wind direction regulation and control unit comprises a plurality of wind direction regulation assemblies used for controlling wind flowing, a transmission assembly used for controlling the swing angles of the multiple wind direction regulation assemblies, a guide assembly used for assisting the transmission assembly to move up and down linearly in the longitudinal direction, and a supporting assembly used for stably installing the guide assembly, the transmission assembly and the wind direction regulation assemblies. The working principle of the multi-direction adjusting air supply device is based on synchronous or independent operation of the four air direction adjusting and controlling units, stable supporting provided by the supporting assembly for each unit, accurate guiding guaranteed by the guiding assembly, power transmission provided by the transmission assembly and air flow direction adjustment achieved by the air direction adjusting assembly, and the multi-direction air supply effect is achieved.

The utility model relates to air conditioning technical field, concretely provides a mobile air conditioner, aims at solving the problem of straight blowing user of air outlet and poor indoor air circulation efficiency. For this purpose, the mobile air conditioner of the utility model includes: the casing, the inside is limited to have indoor heat exchange cavity, and the top cover plate of casing is equipped with the indoor air outlet of indoor heat exchange cavity, at least one indoor heat exchanger is arranged in indoor heat exchange cavity, and indoor heat exchanger is structured as the multi -section heat exchanger of bended connection, and the side plate of casing is equipped with indoor air inlet all on corresponding indoor heat exchanger, and the top of indoor heat exchanger is set up and is in abutment with casing and is equipped with the vent of air duct cover plate, and the lower plate surface of air duct cover plate is set up and is arranged along the circumference of indoor heat exchanger, and indoor fan is arranged between vent and indoor air outlet, and indoor fan is axial flow fan. The application can make the air flow of air outlet to spray and flow out upwards, then disperses and radiates to the four directions, and the circulation efficiency of indoor air is improved.