32results about How to "Avoid vortex" patented technology

The invention discloses a high-efficiency mist-discharging high-capacity atomizing tank which comprises a tank body and a tank cover, the tank cover is detachably arranged at the upper end of the tank body, a mist outlet is formed in the middle of the tank cover, an atomizing core mounting cavity is formed in the lower portion of the mist outlet, an atomizing core is mounted in the atomizing core mounting cavity, and the atomizing core is mounted in the atomizing core mounting cavity. The atomizing core mounting cavity is communicated with the outside through a compressed air inlet, one side of the top of the tank cover is provided with an air supply port penetrating through the top and the bottom, the lower side of the atomizing core is in butt joint with a liquid suction pipe vertically extending to the bottom of the tank body, and a liquid suction channel is formed in the liquid suction pipe; the upper end of the liquid suction channel is communicated with a nozzle at the lower end of the atomizing core, a surrounding part surrounding the atomizing core is arranged in the middle of the lower end of the tank cover, a mist gathering cavity is defined by the surrounding part, and the mist gathering cavity is communicated with the mist outlet through a communication groove. The problems that an existing atomization tank is small in compressed gas flow rate application range and low in atomization efficiency can be solved.

This invention relates to a vehicle air conditioner, and the object of this invention is to improve the assemblability, maintenance, and repairability of a photocatalyst module by improving the intake housing structure, and to reduce air vortices generated at the air intake port side during air intake by the blower and the rumbling noise caused by these air vortices. To achieve this object, the vehicle air conditioner of this invention includes: an intake section that draws in internal and external air to blow them into the interior space of the vehicle; and a photocatalyst module that releases superoxide radicals into the air blown from the intake section into the interior space of the vehicle to purify the air, wherein the photocatalyst module is disposed on the outer surface portion of the downstream side of the blower housing of the intake section, and interference-avoidance recesses are formed on the outer surface portion of the intake housing corresponding to the periphery of the photocatalyst module disposed in the blower housing.

The utility model provides a riding helmet noise reduction microphone which comprises a lower shell, a wind shielding structure is arranged on the bottom face of the lower shell and comprises a first wind shielding structure and two second wind shielding structures, the first wind shielding structure is arranged on the front side of the bottom face of the lower shell, and the two second wind shielding structures are arranged on the left side and the right side of the bottom face of the lower shell respectively. The two second wind shielding structures are respectively connected with the first wind shielding structure, the bottom surface of the lower shell, the inner wall of the first wind shielding structure and the two opposite inner walls of the two second wind shielding structures are matched to form a wind shielding space, and at least one pickup hole is formed in the bottom surface of the lower shell and located in the wind shielding space; and the upper shell is mounted on the top surface of the lower shell. According to the design, most airflow is guided to the periphery, direct impact on the pickup hole is reduced, and therefore the noise reduction capacity of the pickup hole is improved.

This invention provides a dust removal device and a welding equipment having the same. The dust removal device has a base with a dust collection chamber; a housing is mounted on the base, and the housing's air inlet, air outlet, and dust discharge port are all connected to the dust removal chamber. The housing has an air inlet connected to the air inlet and an air outlet connected to the air outlet, and the dust discharge port is connected to the dust collection chamber. A dust removal assembly is mounted on the housing and located within the dust removal chamber. The dust removal assembly includes a discharge structure and a dust collection structure arranged opposite to each other. The discharge structure is located on the side of the dust collection structure closer to the air inlet. The discharge structure and the dust collection structure are connected to a power source to present opposite electrodes, thereby forming an electric field between the discharge structure and the dust collection structure for collecting impurities. The height H1 of the air outlet and the height H2 of the air inlet satisfy the condition: H2 < H1. This invention effectively solves the problem of poor dust removal performance in the welding process of lithium battery tabs in the prior art.

The utility model relates to a wear-resistant jet nozzle for preventing materials from generating vortex, which comprises a cylinder section and a plugging section, a slurry outlet is arranged on the side wall of the cylinder section close to the plugging section, wear-resistant ceramic layers are arranged on the inner walls of the cylinder section and the plugging section, and a semi-conical spoiler corresponding to the slurry outlet is arranged in the cylinder section. The tip of the semi-conical spoiler faces the open end of the cylindrical section, and first slurry through holes are uniformly distributed in the semi-conical spoiler; a horizontal spoiler is further arranged on the lower side of the semi-conical spoiler, and second slurry through holes are evenly distributed in the semi-conical spoiler. The wear-resistant ceramic layers are arranged on the inner walls of the cylinder section and the plugging section, so that wear of the inner wall of the pipeline can be relieved; and the semi-conical spoilers and the horizontal spoilers are arranged, so that vortex of the slurry can be avoided, abrasion of the inner wall of the plugging section is relieved, and the slurry can be uniformly mixed.

The utility model relates to the technical field of evaporation concentration, disclose a kind of low-temperature heat pump evaporator structure, including reaction component, the reaction component includes bearing frame, the top of bearing frame is fixedly connected with reaction kettle, the outer surface of reaction kettle is threadedly connected with sealing cover, the top of sealing cover is sequentially provided with raw material liquid inlet and concentrated liquid outlet, the bottom of reaction kettle is provided with steam exhaust port.The utility model is rotated by servo motor drive drive rod in cleaning component, and then drive stirring rod to carry out forced flow disturbance to raw liquid and the structure operation of synchronous rotation scraping heating pipe outer surface with drive rod as center of circle of cleaning rod, drive the forced flow disturbance of raw liquid, ensure that heat is evenly distributed and accelerate evaporation, while periodically scraping heating pipe outer surface, prevent dirt deposition, realize the beneficial effect of improving heat transfer efficiency and reducing shutdown maintenance frequency.Stirring rod three groups evenly distributed optimize the fluid dynamics performance, avoid to produce dead angle or vortex.

The invention relates to the technical field of wastewater treatment, in particular to an electroplating nickel-chromium wastewater treatment device which comprises a sewage tank, a water suction pump is fixedly connected to the upper surface of the inner wall of the bottom of the sewage tank, one end of the water suction pump is fixedly connected with a door-shaped pipeline, and the other end of the door-shaped pipeline extends into a flocculation tank. Four square columns are fixedly connected to the four corners of the lower surface of the flocculation tank, stirring assemblies are fixedly connected to the upper surfaces of the tank walls of the two sides of the flocculation tank, and one end of the bottom of each stirring assembly is connected with an anti-condensation assembly in a meshed mode. According to the nickel-chromium electroplating wastewater treatment device, the water pump is matched with the flocculation basin, the sedimentation basin and the filter press, metal impurities such as nickel and chromium contained in wastewater are sequentially neutralized, stripped and filtered, the site requirement of the wastewater treatment device can be reduced through flow matching, and the production requirements of many related industries such as chemical engineering, metal or sewage processing plants are met; operation is convenient, and efficiency is high.

The embodiment of the invention discloses implantable peripheral nerve electrical stimulation equipment. The implantable peripheral nerve electrical stimulation equipment comprises a main body part, a battery part and a stimulation part, a controller is arranged in the main body part, the battery part comprises a power supply, a coating film, a charging coil and a first shell, the charging coil sleeves the outer side of the power supply, and the coating film is made of a flexible permanent magnet material and coats the outer surface of the power supply to form a magnetic core of the charging coil. According to the embodiment of the invention, the overall structure of the battery part can be supported and protected through the first shell made of an insulating material, and the efficiency of wireless energy and information transmission between the charging coil and the outside can be improved due to the self-insulating characteristic of the first shell, so that the situation that eddy current is generated on the first shell to cause temperature rise is avoided; through the arrangement of the coating film, the charging coil can be matched with a power supply, a magnetic core structure is formed in the center of the charging coil, the charging efficiency is further improved, a charging magnetic field can be shielded, and eddy current is prevented from being generated on a shell of the power supply.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The invention relates to the technical field of vehicles, in particular to a vehicle. The vehicle includes: a cab having a first flow guide surface; the container assembly is arranged on the side, away from the first flow guide face, of the cab in the X direction, the container assembly comprises a container body and a heat exchange unit, the container body is provided with a first side portion and a second side portion which are opposite in the X direction and is provided with a top side portion and a bottom side portion which are opposite in the Z direction, and the heat exchange unit is connected with the container body and provided with a flow guide outer shell face; in the X direction, the flow guide outer shell face is located between the first flow guide face and the top side portion, and the first flow guide face, the flow guide outer shell face and the top side portion are sequentially arranged in the X direction so as to jointly form an airflow guide face. The vehicle provided by the invention can reduce the running resistance of the vehicle, thereby improving the energy utilization rate of the vehicle.

This utility model discloses an automatic separation and collection device for heavy debris in an airflow conveying system, relating to the technical field of airflow separation equipment. The separation body includes a cylindrical cavity with a conical guide hood at the top. A spiral feed plate is located between the outer side of the guide hood and the inner wall of the cavity. A feed pipe is located on one side of the upper part of the cavity, a discharge pipe is located at the top of the cavity, and a discharge port is located at the bottom of the cavity. Corn fibers, being lightweight and highly susceptible to airflow, move upwards more easily with the airflow, while heavy debris, due to gravity and centrifugal force, tends to sink closer to the inner wall of the cavity, significantly improving the initial separation efficiency and reducing the mutual entanglement of corn fibers and heavy debris.

The application relates to the clothes processing technical field, in particular to a heating assembly, a drying module and clothes processing equipment. The heating assembly comprises a heater shell and a heater. The heater shell has a heating cavity, an air inlet communicating with the heating cavity and an air outlet communicating with the heating cavity. The heater shell is used for being mounted on a moisture absorption and dehumidification assembly, and the air outlet faces the moisture absorption and dehumidification assembly. The side wall of the heating cavity is in a smooth structure from the direction of the air inlet to the air outlet. The heater is accommodated in the heating cavity. Since the side wall of the heating cavity is in the smooth structure from the direction of the air inlet to the air outlet, the heater shell can change the flow direction of the regeneration airflow in the heating cavity in a smooth manner, so that vortex is avoided in the heating cavity and kinetic energy loss of the regeneration airflow is avoided, thereby the regeneration airflow can be efficiently blown to the moisture absorption and dehumidification assembly through the heating cavity, and the dehydration efficiency of the moisture absorption and dehumidification assembly can be improved.

This utility model discloses a light source module with uniform heat dissipation, relating to the field of heat dissipation devices. The light source module includes: a lamp body, a heat dissipation pipe, an air guide shell, and a first heat sink. A first heat source and a second heat source are located on the left and right sides of the lamp body. The heat dissipation pipe includes a first section and a second section. The air guide shell includes an air duct, an air inlet, a first air outlet, and a second air outlet. The air duct has a recessed internal structure. The first air outlet is located on the left side of the air duct, the second air outlet is located on the right side of the air duct, and the air inlet is located in the middle of the air duct. The first section of the heat dissipation pipe is attached to the first heat source, and the first heat sink is attached to the second heat source. The air guide shell is attached to the lamp body. By utilizing the heat dissipation pipe and heat sink to absorb and dissipate heat from the heat sources, and in conjunction with the air guide shell, uniform heat dissipation is achieved for heat sources with varying heat levels. Even using a single fan can achieve efficient heat dissipation, reducing operating costs.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

This invention discloses a method and apparatus for stamping motor core laminations to reduce iron loss. The stamping method is characterized by the following steps: A stamping equipment drives a continuous stamping die to first stamp several process holes on the magnetic steel sheet strip. Then, keyways are stamped between adjacent process holes. Next, overlapping through-pieces are stamped at the keyways between the process holes, and overlapping fasteners are stamped on these through-pieces to interlock the stacked magnetic steel sheets, forming key pins. Then, the continuous stamping die is used to double-sided stamp the magnetic steel sheet strip. After the magnetic steel sheets are unloaded and stacked, they form the core. The core is then wound, and the key pins are removed. This invention, by stamping the magnetic steel sheet on both sides simultaneously, stamping out internal grooves and unloading the magnetic steel sheet, allows the stress on both sides to cancel each other out during double-sided stamping, ensuring the flatness and concentricity of the magnetic steel sheet, and improving stamping efficiency and quality.

The utility model discloses a microflow control device and relates to the technical field of fluid control. The microflow control device is arranged in a heating furnace and comprises a flow channel, a heating element, a temperature detection element and a control system, and the flow channel is arranged in the heating furnace and located between an air outlet and an air inlet of the heating furnace; the heating element is arranged in the runner and is used for heating the runner; the temperature detection element is arranged in the flow channel and is used for detecting the temperature in the flow channel; the control system is electrically connected with the temperature detection element and the heating element. According to the technical scheme, the temperature and flowing of airflow in the heating furnace can be accurately controlled, and then the heating uniformity of the heating furnace is improved.

This utility model discloses a structure for an electroplated zinc-nickel alloy oil pipe. Relating to the field of automotive technology, the pipe includes a pipe body with a mounting plate fixedly attached to one end. A fixing plate is fixedly attached to the top of the end of the pipe body furthest from the mounting plate, and a vertical plate is fixedly attached to the top of the fixing plate. The structure of this electroplated zinc-nickel alloy oil pipe utilizes a cylindrical sponge placed horizontally inside the pipe body. Rotating the right-hand winding rod allows for rope retraction, which in turn moves the cylindrical sponge along the pipe's path, bringing it into contact with the curved end of the pipe. The curvature of the cylindrical sponge cleans the inner wall of the curved end of the pipe, reducing impurities and preventing turbulence and eddies. This reduces wear and corrosion on the inner wall of the curved section of the pipe.

The invention relates to the technical field of household appliances, belongs to household kitchen appliances such as energy-saving ovens, and discloses a door body assembly of cooking equipment and the cooking equipment. The cover plate is fixed to the inner surface of the outer door, a fan mounting cavity and a camera mounting cavity are defined by the cover plate and the inner surface of the outer door, the camera mounting cavity comprises a first cavity and a second cavity, the first cavity is located on the upstream of the fan mounting cavity in the flowing direction of airflow, the first cavity faces the outer door and communicates with the outer side of the outer door and the fan mounting cavity, and the second cavity communicates with the fan mounting cavity. The second cavity is located at the downstream of the fan mounting cavity, and an exhaust outlet is formed in the side, away from the fan mounting cavity, of the second cavity; the fan is arranged in the fan mounting cavity, and an air outlet of the fan communicates with the second cavity; the camera assembly comprises a first part located in the first cavity and a second part located in the second cavity, the working condition of the camera assembly can be better improved, and the service life of the camera assembly is prolonged.

The utility model relates to the technical field of vehicle air conditioner design, in particular to a vehicle air conditioner face blowing air duct assembly structure which comprises an air inlet duct, a main pipeline, side pipelines, guide plates and air outlet sections, the main pipeline is arranged at one end of the air inlet duct, the side pipelines are arranged on the two sides of the air inlet duct, and the air outlet sections are arranged on the main pipeline and the side pipelines. According to the vehicle air conditioner face blowing air duct assembly structure, the whole air outlet section uses the gradually-shrinking section as an air flow inlet and then sequentially penetrates through the connecting throat pipe and the gradually-expanding section to be discharged out of the air outlet pipe, air flow stably flowing out of the main pipeline and the side pipeline can be accelerated under the action of the convergent angle of the gradually-shrinking section, and meanwhile static pressure is reduced; after air flow penetrates through the connecting throat pipe to reach a flow velocity peak value, kinetic energy is recycled into static pressure under the action of a divergence angle of the diverging section to enable the air flow to flow out stably, fan energy consumption is reduced, resistance reduction is conducted through a longitudinal microgroove regulation and control boundary layer in the process that the air flow penetrates through the diverging section, vortex is prevented from being generated in a pipeline, and noise is reduced. And the noise generated when the whole air duct is used is reduced.

The application discloses a pipeline integrated module, an outdoor unit and a heating and ventilation equipment. The first plate body and the second plate body are overlapped to define a containing cavity for containing fluid, and a turn-over edge is arranged to define a switching opening communicated with the containing cavity. The wall surface defining the containing cavity comprises a transition convex arc surface, the wall surface defining the switching opening comprises a turn-over edge wall surface, the transition convex arc surface is connected with the turn-over edge wall surface, and the part of the switching pipe inserted into the switching opening does not completely exceed the transition convex arc surface in the direction of the turn-over edge wall surface towards the transition convex arc surface. The switching pipe does not extend into the containing cavity, and the interference of the switching pipe with the fluid flow in the containing cavity is small. The flow resistance generated by the switching pipe in the containing cavity can be reduced. The switching pipe can be smoothly connected with the transition convex arc surface at the pipe opening. The gap between the switching pipe and the wall surface of the containing cavity can be prevented, the vortex flow of the fluid in the containing cavity during the flow can be prevented, and the flow resistance generated by the switching pipe in the containing cavity can be further reduced.

The utility model is suitable for the technical field of automobile brake, provides a kind of automobile brake cylinder body casting uses conical side face pouring type mould, including mould frame, the mould frame includes the horizontal setting fixed mould frame and movable mould frame, the fixed mould frame inside is close to movable mould frame one side and is provided with fixed mould, the movable mould frame inside is close to fixed mould frame one side and is provided with movable mould;The fixed mould is set to quadrangle structure, and its close movable mould one side is provided with fixed mould cooperation groove, the movable mould is set to quadrangle structure, and shape is adapted with fixed mould, and the movable mould top is close to fixed mould one side end and is provided with material handle shunt cone.This device solves the problem that the uneven flow rate of the metal liquid generated in the one-piece inner gate encounters collision and generates eddy current, which increases the internal stress of the metal liquid, ultimately affects the uniformity of the finished product, achieves pouring from the conical runner side, uniformly distributes the metal liquid to reduce the internal stress, improves the uniformity of the finished product, and facilitates subsequent removal of the gate.

The utility model relates to the technical field of sodium sulfate wastewater treatment, especially to a sodium sulfate wastewater efficient crystallization recovery device, including evaporimeter, circulating assembly and stirring subassembly, evaporimeter inside is provided with heating chamber, heating chamber side is provided with steam pipe and water outlet pipe respectively, the bottom of evaporimeter is provided with collecting pipe, the top of evaporimeter is equipped with upper baffle and is seted up with feeding port on the upper baffle, circulating assembly includes circulating pump, circulating pump is fixed in the upper baffle and is with evaporimeter conduction, the outside of circulating pump is connected with compressor, one side of compressor is connected with circulating pipe, the lower extreme of circulating pipe is connected with heating chamber conduction, the outside of circulating pipe is equipped with heat preservation cover, can realize the recycling use to steam, significantly improves energy utilization efficiency, need not directly discharging steam heat, can save a large amount of steam consumption, reduces production cost, need not using additional cooling water, has reduced waste water discharge.

This utility model discloses an anti-cavitation device for a desulfurization pump. This utility model relates to the field of desulfurization pump technology. The anti-cavitation device includes: a pump body; an anti-cavitation component fixedly connected to the outer wall of the pump body; a motor fixedly connected to the outer wall of the pump body; the anti-cavitation component includes an impeller baffle; a first impeller is fixedly connected to one side of the outer wall of the impeller baffle; and a second impeller is fixedly connected to the other side of the outer wall of the impeller baffle. Holes are formed in the walls of both the first and second impellers, and the holes are arranged in ascending order of size along the outer wall of the first impeller. This anti-cavitation device, through the linearly distributed holes of varying sizes on the impellers, can change the flow field characteristics inside and around the impellers, suppress bubble generation, appropriately reduce the centrifugal force during impeller rotation, make the pressure distribution at the impeller inlet more uniform, and reduce the occurrence of cavitation.

This application provides a centrifugal fan and electronic device, relating to the field of fan technology. The centrifugal fan provided by this application includes: a volute housing, including an air inlet surface along its own axial direction; fan blades disposed within the volute housing; a first air outlet located on a first sidewall in the radial direction of the volute housing; and an air inlet located on the air inlet surface and directly opposite the fan blades. The edge of the air inlet is constructed as an annular inclined surface formed by splicing multiple arc-shaped inclined surfaces. At least two of the multiple arc-shaped inclined surfaces have different inclination angles. The multiple arc-shaped inclined surfaces include a first arc-shaped inclined surface, which corresponds to the first air outlet along the radial direction of the fan blades. The inclination angle of the first arc-shaped inclined surface is greater than or equal to 120° and less than or equal to 130°, and the inclination angle is the angle between the arc-shaped inclined surface and the air inlet surface. This application provides a centrifugal fan and electronic device that can improve air intake efficiency and reduce noise.

A diaphragm chamber structure of a diaphragm pump belongs to the technical field of diaphragm pumps, and particularly relates to improvement of the diaphragm chamber structure of the diaphragm pump. The diaphragm chamber comprises a diaphragm chamber cover, a rubber diaphragm and a diaphragm cavity, and is characterized in that a cavity is arranged on one side of the diaphragm chamber cover, and a pressing part is arranged on the outer circumference of the cavity; a channel is formed in the other side of the diaphragm chamber cover; an inlet and an outlet are respectively formed in two ends of the channel; the cavity is communicated with the channel; a pressing groove corresponding to the pressing part is formed in the diaphragm cavity; and the edge of the rubber diaphragm is clamped and fixed through the mutual matching of the pressing part and the pressing groove. According to the utility model, the production cost and the maintenance cost are reduced, the structure is simple, and casting defects in the casting process are reduced.

The application discloses a lower apron assembly and a vehicle, and solves the technical problem that the lower apron of the prior art does not cover the position of a suspension, so that the coverage of the lower apron in the area is discontinuous, vortex and turbulence phenomena caused by gas flow are obvious, and the aerodynamic drag of the whole vehicle is large. The lower apron assembly comprises a lower apron body and a suspension lower apron, the suspension lower apron covers the suspension part of a vehicle chassis, the suspension lower apron is connected with the lower apron body and a suspension assembly of the vehicle respectively, the suspension lower apron is made of an elastic material so that it can deform correspondingly with the up-and-down swing of the suspension assembly, and the suspension lower apron is provided with a avoiding part at the position of a vehicle wheel, which can avoid motion interference, the suspension lower apron covers the suspension part of the vehicle chassis, so that the coverage of the lower apron assembly in the suspension area is continuous, vortex and turbulence phenomena caused by gas flow are avoided, and the aerodynamic drag of the whole vehicle is reduced.

The utility model discloses a fan with a shunting heat dissipation channel, which comprises a fan shell, two sides of the fan shell are fixedly connected with a connecting cylinder, the fan shell and the lower end of the connecting cylinder are fixedly connected with a support frame, the inner side of the fan shell is provided with a ventilation cylinder, and the ventilation cylinder is fixedly connected with the fan shell. The outer side of the ventilation barrel is fixedly connected with a curved-surface air guide plate; the conical air guide blocks, the curved-surface air guide plates and the ventilation holes are used in cooperation, airflow flowing through the interior of the ventilation barrel is accurately guided and shunted, the airflow at the output end of the motor is evenly shunted to all areas of the ventilation barrel through the conical air guide blocks and the air guide slope faces, the situation that the airflow directly impacts the motor or the inner wall is avoided, and the service life of the motor is prolonged. The air flow direction and speed distribution are changed through the curved-surface air deflectors and the C-shaped openings, so that the air flow more evenly covers the working area of the motor, meanwhile, the air flow is guided to the gaps between the adjacent air deflectors through the ventilation holes, local air convection circulation is formed, and the heat dissipation effect is further enhanced.

This utility model relates to the field of power plant equipment cleaning and discloses a dual-axis self-locking ball-collecting net, including a ball-collecting net cylinder. A flexible connecting plate is installed inside the ball-collecting net cylinder. Two sets of support grid plates are fixedly connected to the bottom end of the flexible connecting plate. Net plates are detachably installed on the support grid plates. A first connecting shaft is movably connected inside the ball-collecting net cylinder. A second connecting shaft is located above the first connecting shaft, and support rods are movably connected to both sides of the second connecting shaft. This dual-axis self-locking ball-collecting net, through a two-bar linkage structure, ensures that the ball-collecting net does not deform under the action of water flow during long-term operation. When the ball-collecting net grid plates are in the ball-collecting state, in the self-locking state, regardless of the impact on the grid plates, the drive mechanism only experiences axial thrust and not torque. This completely ensures that the ball-collecting net grid plates do not shift under the impact of water flow and remain tightly fitted to the cylinder, effectively guaranteeing the ball-collecting rate and solving the problem of poor self-locking strength.

The present disclosure relates to a fan, a ducted fan and an air conditioner, the fan comprising an air outlet part surrounding a main air outlet, a bottom wall surface of the air outlet part being provided with a lower air outlet, the lower air outlet being located upstream of the main air outlet, the lower air outlet being provided with a first flow dividing structure, the first flow dividing structure being used for guiding the airflow in the air outlet part to partially flow to the lower air outlet, the ducted fan being capable of reducing the generation of vortex and reducing noise.

This invention provides an indoor air conditioner unit, an air conditioner, and a control method. The indoor air conditioner unit includes an air conditioner housing. An indoor heat exchanger and an auxiliary heater are disposed within the internal space of the air conditioner housing. An air outlet cavity is formed within the air conditioner housing on the air outlet side of the indoor heat exchanger. The auxiliary heater has a heating position within the air outlet cavity and a drag-reducing position outside the air outlet cavity. The auxiliary heater can be driven to switch between the heating position and the drag-reducing position. This invention allows the auxiliary heater to be driven to the drag-reducing position (i.e., outside the air outlet cavity) when heating the airflow is not required. This eliminates the obstruction of the airflow by the auxiliary heater being inside the air outlet cavity, reduces airflow resistance, increases airflow volume, and thus improves the heat exchange efficiency of the indoor heat exchanger and the performance of the air conditioner.