14results about How to "Guaranteed air intake efficiency" patented technology

The invention belongs to the technical field of air disinfection machines, and discloses a high-efficiency air disinfection machine for a square cabin, the high-efficiency air disinfection machine comprises a main body shell, one side of the main body shell is movably connected with an air inlet grid plate, the inner side of the air inlet grid plate is provided with a driving mechanism and a blocking mechanism, and the inner side of the air inlet grid plate is slidably connected with a coarse filter plate; through cooperation of structures such as a driving mechanism and a blocking mechanism, the problem that blocking is easily caused due to the fact that air concentrates and passes through the middle of a coarse filtering plate is solved, a gear ring drives an extrusion block to rotate and extrudes and pushes a limiting block to synchronously move, and the limiting block pulls a sliding rod to move outwards; through cooperation of structures such as a driving mechanism and a blocking mechanism, the telescopic wind shielding cloth can be periodically controlled to be opened and tightened conveniently, and the limiting blocks can be synchronously pushed and extruded by the extrusion blocks to move by arranging the number of the extrusion blocks, the number of the sliding grooves and the number of the limiting blocks to be consistent.

The invention discloses an ambient air quality monitoring device and method for automatic calibration, and belongs to the field of air monitoring. The invention discloses an environment air quality monitoring device and method for automatic calibration, and the device comprises a protection housing, the interior of the protection housing is provided with a monitor, the bottom of the monitor is fixedly connected with an air outlet pipe, and the top of the protection housing is fixedly connected with an air inlet seat. The transmission mechanism is rotationally connected with the interior of the air inlet seat through a bearing; the filtering mechanism is located on one side of the protective shell and fixedly connected with the protective shell, and the interior of the filtering mechanism penetrates through the end of the transmission mechanism; according to the device, impurities in air can be cleaned in time, the situation that the air circulation speed is easily affected by too many impurities is avoided, it can be guaranteed that the air suction efficiency is better, meanwhile, moisture in the air can be dried and adsorbed, moisture in the air is greatly reduced, and therefore air monitoring data are improved.

The utility model discloses air tightness detection equipment, which relates to the field of air tightness detection and comprises a rack, a tool plate is arranged on the rack, and a plurality of limiting columns are arranged on the tool plate and used for positioning irregular-shaped workpieces. A profiling pressing tool is arranged above the tool plate, the profiling pressing tool is fixed to the upper surface of the rack, the profiling pressing tool comprises a hydraulic cylinder, the lower portion of the hydraulic cylinder is connected with a pressing column, and the hydraulic cylinder drives the pressing column to move downwards to press a workpiece on the tool plate; an air pressure detection device is arranged below the tool plate and comprises an air source and an upper pressing air cylinder connected with the air source, and a first pressure regulating valve is arranged between the air source and the upper pressing air cylinder and used for controlling the air pressure to be stable and within a normal detection range in the air tightness detection process; the air inlet speed can be adjusted in the air inflation stage by adopting the pressure adjusting valve, and small-flow air inlet can be realized when the pressure is close to the set pressure, so that the accuracy of the air inflation pressure is improved, the stability of the air pressure is controlled, and meanwhile, the whole detection efficiency is ensured.

The flow detection device comprises a shell, an airflow channel is arranged in the shell, and an air resistance structure is arranged in the airflow channel so that the airflow channel can be divided into an air inlet section located on one side of the air resistance structure and an air outlet section located on the other side of the air resistance structure. The air resistance structure is at least provided with a ventilation grid part in the middle area of the airflow channel, the shell is provided with a detection opening corresponding to the air inlet section and provided with a detection pipe extending into the air outlet section corresponding to the air outlet section, and the tail end of the detection pipe extends to the ventilation grid part to detect airflow passing through the ventilation grid part. The ventilation grating part is separated to form a plurality of airflow passing ports arranged in an array mode, airflow can be divided into a plurality of strands to pass through when passing through, the stability of the flow state of the airflow can be guaranteed, and the airflow can pass through the detection pipe in the air outlet section in a laminar flow state. The detection pipe can cross a viscous area close to the channel wall to directly detect the airflow in the central area of the airflow channel.

The present invention relates to a dustproof gateway housing assembly for industrial Internet, comprising a housing, a fixed base plate, a locking assembly, a transmission assembly, a wind power conversion assembly and a cleaning assembly, wherein the housing and the fixed base plate are locked by the locking assembly, an air inlet with an air inlet filter is provided on one side of the housing, and a cleaning assembly is provided on the outside of the air inlet filter, an air outlet is provided on the other side of the housing, and the air outlet is provided with a wind power conversion assembly, the cleaning assembly comprises a connecting rod and a cleaning portion connected to the connecting rod, the wind power conversion assembly comprises a rotating shaft and a wind power fan blade installed on the rotating shaft, the rotating shaft and the connecting rod are connected by a transmission assembly, the rotating shaft is driven to rotate by the wind power fan blade, and the wind power fan blade is driven to rotate by the air outlet in the housing, the connecting rod is driven to swing by the rotating shaft, and the rotating shaft transmits torque through the transmission assembly. The present invention can clean the air inlet filter in real time, ensure the air intake efficiency and heat dissipation effect, and the housing and the fixed base plate are easy to disassemble and assemble.

The present invention provides an air intake assembly and a vehicle. One end of an air intake pipe is connected to a first end of an air intake manifold, and the air intake manifold is provided with a first air outlet and a second air outlet, the first air outlet is connected to an upper end of a first pressure stabilizing chamber, and the second air outlet is connected to an upper end of a second pressure stabilizing chamber, and the lower end of the first pressure stabilizing chamber is provided with a first guide port, a second guide port, a third guide port, and a fourth guide port connected to a first side cylinder head along a first direction, the second guide port is located directly below the second air outlet, and the lower end of the second pressure stabilizing chamber is connected to the first side cylinder head through an air intake pipe, and the air intake manifold is also provided with a deceleration structure for slowing down the air flow velocity. Since the present application effectively divides the gas entering the air intake manifold to the first air outlet and the second air outlet through the deceleration structure, the air intake efficiency entering the cylinders on both sides of the V-type engine can be effectively guaranteed, and the overall performance of the V-type engine can be improved.

The invention discloses a petroleum coke calcination cooling flue gas treatment device, and particularly relates to the technical field of flue gas treatment devices.The petroleum coke calcination cooling flue gas treatment device comprises an air inlet pipe, the output end of the air inlet pipe is fixedly connected with an L-shaped treatment tank, and a flue dust separation structure is arranged on the front portion of an inner cavity of the horizontal part of the L-shaped treatment tank; a cooling structure is arranged at the part, located at the rear part of the smoke dust separation structure, of the inner cavity of the horizontal part of the L-shaped treatment tank, and a desulfurization structure is arranged at the upper part of the vertical part of the L-shaped treatment tank. According to the petroleum coke calcination cooling flue gas treatment device, dust in flue gas is separated through the action of the filter screen, the surface of the flue gas is cleaned through cooperation of the cleaning assembly and the rack, the air inlet efficiency of the filter screen is guaranteed, and the dust filtering efficiency is improved; under the action of the cooling structure, the flue gas is cooled, and compounds capable of reacting with water are separated out; meanwhile, sulfides in the flue gas are separated out under the action of the desulfurization structure, so that the content of the sulfides is reduced, and the influence on the environment is reduced.

The utility model relates to the technical field of particle counters, and discloses a high-precision dust particle counter which comprises a dust particle counter body, an air inlet communicating pipe is arranged at the top end of the dust particle counter body, and an air inlet pipe head is arranged at the top end of the air inlet communicating pipe. The air inlet pipe head is internally provided with an attached dust cleaning assembly used for rapidly cleaning attached dust, the attached dust cleaning assembly is arranged on the air inlet pipe head, and a fixed connecting cylinder in the attached dust cleaning assembly can shield the inner wall of the air inlet pipe head; the situation that dust directly adheres to the inner wall of the air inlet pipe head and is difficult to clean is avoided, a user can suck air more quickly when using the dust particle counter body, the normal air inlet efficiency of the dust particle counter body is guaranteed, the dust particle counter body counts and detects dust particles in air more accurately, and the user experience is improved. And the user can use conveniently.

The utility model discloses an air blower with high air inlet efficiency, which belongs to the field of household appliances, solves the problems of lower air inlet efficiency and higher noise caused by turbulent flow when air flow passes through a hub of a fan, and adopts the technical scheme that the air blower mainly comprises a machine body and a fan assembly, the machine body comprises an air inlet, an air outlet and an airflow channel communicating the air inlet with the air outlet, the fan assembly is arranged in the airflow channel and comprises a fan and a motor used for driving the fan to rotate, the fan comprises a hub and fan blades arranged on the hub, and an air guide cone is arranged at the air inlet end of the fan assembly. The conical surface of the air guide cone faces the air inlet so that air flow in the air flow channel can be guided to the fan blades. The air inlet structure is mainly used for smoothly guiding airflow into the fan blades, effectively improves the air inlet efficiency and reduces noise.

The invention discloses a noise reduction food processor which comprises an air outlet structure arranged in an air outlet channel, the air outlet structure comprises at least two flow channels, each flow channel is internally provided with at least two communicated valve units, each valve unit comprises a flow distribution column, a first enclosure wall and a second enclosure wall, and the first enclosure wall and the second enclosure wall are arranged on the two sides of the flow distribution column. A first branch flow channel is formed between the first surrounding wall and the flow dividing column, a second branch flow channel is formed between the second surrounding wall and the flow dividing column, a flow dividing position is formed at an inlet of the valve unit, and an obtuse included angle is formed between a tangential path extending from the flow dividing position to the first branch flow channel and a tangential path extending from the flow dividing position to the second branch flow channel. The airflow flowing in from the flow dividing position comprises main airflow flowing along the first branch flow channel and auxiliary airflow flowing along the second branch flow channel, and the main airflow and the auxiliary airflow intersect at an acute angle. According to the food processor, the optimized air outlet structure is adopted, and the heat dissipation effect and the noise reduction effect can be optimized in the heat dissipation process of the motor.

This utility model provides a fan assembly and a range hood. The fan assembly includes a fan and a bracket assembly. The fan has a volute and an external rotor motor. The volute forms a mounting cavity, and the external rotor motor is at least partially located within the mounting cavity. The bracket assembly has a first bracket and a second bracket, which are staggered and overlapped. The first bracket has a first mating part, and the second bracket has a second mating part. The volute has an air inlet side, and the ends of both the first and second brackets are connected to the air inlet side. One end of the central shaft of the external rotor motor passes through the first and second mating parts sequentially to connect to the bracket assembly. This effectively improves the robustness and reliability of the connection between the external rotor motor and the volute. Furthermore, the simple structure of the bracket assembly effectively ensures the air intake efficiency of the external rotor motor. Moreover, the assembly process of the bracket assembly is simple, effectively improving the convenience and efficiency of fan assembly.

The air inlet assembly comprises a unit body, an air inlet pipe is fixedly connected to the side surface of the unit body, the air inlet assembly is arranged on the outer surface of the air inlet pipe, and the air inlet assembly comprises an installation frame, a shutter and a cleaning mechanism. The cleaning mechanism comprises a motor, a threaded rod, a vertical plate, a threaded block, a bearing pipe, a brush plate and a brush head, the output end of the motor is fixedly connected with the threaded rod, the interior of the vertical plate is rotatably connected with the threaded rod, the outer surface of the threaded rod is in threaded connection with the threaded block, and the outer surface of the threaded block is fixedly connected with the bearing pipe. The side inner wall of the bearing pipe is slidably connected with a brush plate, the outer surface of the brush plate is fixedly connected with a brush head, when the device works, a threaded rod is driven by a motor to rotate, under the guiding effect of a sliding block, a threaded block can drive the brush plate to move left and right, then the brush head can clean the outer surface of a shutter, the air inlet efficiency is guaranteed, and the service life of the shutter is prolonged. And dust entering is reduced.

The present application relates to the technical field of transformer, and discloses a dustproof photovoltaic box-type transformer, which comprises a box body, a V-shaped photovoltaic panel is arranged on the top of the box body, a transformer body is arranged on the inner side of the box body, a wind shield is further arranged on the inner side of the box body, a fan is arranged on the inner side of the wind shield, an air outlet is arranged on the side of the box body away from the wind shield, and an air inlet is arranged on the same side of the box body and the wind shield. The dustproof photovoltaic box-type transformer is driven to work by the dust scraping assembly and the deep cleaning assembly in cooperation with the cylindrical dustproof cylinder. Under normal circumstances, the second spring pushes the dust scraping plate to adhere to the outer wall of the dustproof cylinder, so that the surface accumulated dust can be scraped in real time; the motor driven reciprocating screw rod driven by photovoltaic power drives the bristles to reciprocate up and down, and the dust inside the mesh is deeply cleaned. Meanwhile, the disassembly assembly can quickly disassemble and clean the bristles, so that the problems of easy blockage and difficult cleaning of the traditional dustproof net are solved, and the air inlet and heat dissipation efficiency of the box body are continuously guaranteed.