16results about How to "Large air volume" patented technology

The utility model provides a kind of high-speed fan, including: motor assembly;Fan shell, sleeve joint motor assembly, the direction of the air flow produced by the outer periphery of cooperation motor assembly is formed into air inlet end and air outlet end respectively, the surface of motor assembly located at air outlet end is equipped with several self central outward helical extension's air deflector;Annular air inlet cover, connect the air inlet end of fan shell;And arc air outlet cover, connect the air outlet end of fan shell, the outer wall of fan shell, the inner wall of arc air outlet cover is divided by air deflector and is formed into several helical air ducts arranged in ring, air flow produced by motor assembly is shunted as sub-air flow by helical air duct, and sub-air flow is independently emitted outward from the air outlet opening in the center of arc air outlet cover.The utility model can improve air duct structure, effectively increase the air output of fan under the premise of constant motor power, and improve the effect of silence.

This utility model relates to the field of mine ventilation equipment technology, specifically to an improved adjustable filter window for mine ventilation safety. It includes a duct body and an adjustment connection unit. The adjustment connection unit includes multiple fan blades, multiple connecting shafts, multiple connecting plates, a movable frame, a track plate, a drive component, a filter assembly, and an installation assembly. In use, the duct body is inserted into the mine's air intake pipe and fixed using the installation assembly. To increase the airflow of the duct body, the drive component is activated, causing the movable frame to move backward within the track plate. During this process, the movable frame, in conjunction with the strip groove, pulls the connecting plate to rotate, causing the fan blades below the connecting shaft to open, increasing the airflow intake area. To reduce the airflow of the duct body, simply move the movable frame in the opposite direction, closing the fan blades and reducing the airflow intake area. This method allows workers to flexibly adjust the ventilation volume according to actual ventilation needs, effectively improving ease of use.

The application relates to the technical field of starting motors, and particularly discloses a fan heat dissipation type starting motor for a centrifugal pump, which comprises a base and a machine shell fixedly connected to the base, a strip-shaped air inlet is arranged on the machine shell and penetrates through the inside and outside of the machine shell, a filter screen for shielding dust is arranged in the strip-shaped air inlet, a rotor is arranged in the machine shell, and a transmission shaft penetrates through the rotor coaxially. At the beginning of starting, the fan blade cannot rotate at high speed, so that the starting response slow degree and the starting current size of the centrifugal pump can be reduced, the additional energy consumption loss of the motor at the initial stage of starting can be reduced, the windward area of the fan blade at the initial stage of starting of the starting motor is small, so that the rotating resistance of the fan blade can be reduced, the starting response slow degree and the starting current size of the centrifugal pump can be further reduced, and the additional energy consumption loss of the motor at the initial stage of starting can be further reduced.

The application provides a cross-flow fan and an electronic device. The cross-flow fan comprises a housing mechanism, a driving mechanism and a fan blade. The housing mechanism is provided with a receiving cavity, an air inlet and an air outlet. The air inlet and the air outlet are arranged on the side surface of the housing mechanism and are in communication with the receiving cavity. The driving mechanism is installed in the receiving cavity. The driving mechanism comprises a rotor and a stator. The rotor is installed on one side of the stator and can rotate relative to the stator under the driving of the stator along the thickness direction of the cross-flow fan. The fan blade is installed in the receiving cavity and is arranged on the rotor and located on the side of the rotor away from the stator. The cross-flow fan can form a higher air volume, which is beneficial to improving the heat dissipation effect of the heating device in the electronic device.

The utility model discloses a kind of air duct devices of electromagnetic valve auxiliary louver opening and closing air outlet, belong to transformer technical field, including upper seal plate, the inside wall of upper seal plate is equipped with mounting bracket and fan mounting plate, the mounting bracket is located in fan mounting plate, the upper seal plate another side wall is equipped with outer wind cover and position sensor, the position sensor is located in outer wind cover, the lower end of outer wind cover is equipped with protection assembly, the upper seal plate is equipped with fixed frame, the fixed frame is sequentially movably installed with multiple groups of self-vertical louver from top to bottom, the self-vertical louver is movably installed with connecting assembly;Change the existing air duct air outlet structure, increase auxiliary electrical element, so that axial flow fan can operate in better operating environment;Reduce wind resistance when operating;Reduce the operating current of fan;Increase the air volume of air outlet;Increase the service life of fan.

The utility model provides a kind of flat panel head shaking fan and fan lamp, it includes: fixed panel, the fixed panel back face is concave to form installation let -pass slot, installation through -hole is equipped in the groove bottom of the installation let -pass slot, the opening of the installation through -hole is formed fixed convex ring by protruding towards the inside space of the installation let -pass slot;Head shaking fan assembly, it includes: head shaking fan base, and fan blade, the bottom of the head shaking fan base is outwardly protruding drive shaft, the fan blade is installed in the free end of the drive shaft, the head shaking fan base drives the fan blade by the drive shaft, and the fan blade is partially accommodated in the installation let -pass slot while rotating and shaking head;The top edge of the head shaking fan base extends outward to form fixed convex edge, the bottom of the head shaking fan base protrudes the front surface of the fixed panel after passing the installation through -hole, and the fixed convex edge is abutted and fixed to the fixed convex ring, so that the head shaking fan base is partially accommodated in the installation let -pass slot.

The utility model provides a kind of heat exchanger assembly and air conditioner, wherein, heat exchanger assembly includes shunt and two or more heat exchangers, shunt is used to shunt the air of the first side of heat exchanger assembly to each heat exchanger;Shunt is movable, to adjust the air volume shunted into each heat exchanger.When the heat exchanger assembly of the utility model is applied to air conditioner, the first side of heat exchanger assembly can be set as windward side when air conditioner is in heating operation.Due to shunt, the air volume shunted into each heat exchanger can be adjusted by moving, when air conditioner is in heating operation, and there is temperature difference in each heat exchanger of heat exchanger assembly, shunt can be moved, the air volume shunted into high-temperature heat exchanger is increased, and the air volume shunted into low-temperature heat exchanger is reduced, so it is beneficial to make the airflow temperature consistent after each heat exchanger heat exchange, to improve the uniformity of each heat exchanger outlet air temperature, improve the comfort and experience of user use.

The utility model relates to radiator technical field especially is a kind of radiator base with air duct, including lower cover, upper cover, sealing cover, turbine fan and circuit board, sealing cover is provided with air inlet, annular air duct plate and two airflow cavities, one air outlet is set up in the both sides of annular air duct plate, one airflow cavity is communicated with the inner chamber of annular air duct plate via one air outlet, turbine fan is located in annular air duct plate, air inlet is correspondingly set with the air inlet end of turbine fan, the bottom surface of lower cover is set with the through-hole for corresponding intercommunication with air inlet, dust cover is detachably installed at through-hole, upper cover is set with two groups of air outlet groups, two groups of air outlet groups are respectively communicated with two airflow cavities one-to-one, and each group of air outlet group includes multiple air outlets. The structure of the application is simple, the volume is thin and flat, the air volume is large, the heat dissipation effect is good, and the universality is good, can be used for electric game special notebook computer and general notebook computer.

The application provides a data analysis processing method and system for e-commerce users, and belongs to the technical field of data analysis. Specifically, the title data of a title reference commodity is used to determine a test analysis scheme for title update processing of the newly listed commodity by updating the processing result, test data after title update processing is used to perform keyword update processing of the newly listed commodity, and whether the title reference commodity can be delisted is determined through the keyword of the title of the newly listed commodity and the update processing data of the comment data of the e-commerce user, thereby improving the reliability of the title update processing of the newly listed commodity.

This invention discloses a handheld high-speed fan, comprising a first column and a second column. A ducted motor is housed inside the first column, with fan blades at the bottom of the ducted motor. A battery is housed inside the second column, and the ducted motor is electrically connected to the battery. An air inlet is located at the connection point of the first and second columns, and an air outlet is located at the first end of the first column furthest from the second column. A guide plate is provided at the air outlet, with the upper part serving as a converging section and the lower part as an air collecting section. The guide plate and the air outlet form an air outlet channel. In this invention, the narrowing design of the air outlet and the guide plate results in a narrowing of the internal airflow channel from bottom to top, accelerating the airflow. The airflow then flows along the guide surface of the guide plate, and finally, the symmetrical airflows on both sides converge at the center of the convex surface, thus being ejected vertically. A high-pressure zone is formed at the center of the guide plate, increasing the wind pressure and creating a vortex jet effect. This reduces airflow loss and ensures effective airflow and speed.

This invention discloses a versatile wax powder spraying device, specifically relating to the field of wax powder production. It includes a centrifugal tower with a powder spraying mechanism connected to its top. Air supply pipes are distributed within the tower and connected to the air supply mechanism. An air outlet is located at the top of the tower, and an exhaust port is located at the bottom, connected to a separation mechanism. A discharge port is located at the bottom of the tower. The air supply mechanism connects to a heater and a fan. The fan and powder spraying mechanism are connected via a pneumatic transmission mechanism. This transmission mechanism allows for different types of wax powder to be produced, with varying pressures in the powder spraying mechanism. The fan speed is adjusted accordingly to change the air intake. This method is suitable for producing different types of wax powder while ensuring quality during the production of various wax powders.

This application relates to a fresh air module and an air conditioner. The fresh air module includes: a housing, a fresh air inlet, a first air inlet, a second air inlet, and an air outlet. The housing includes an indoor side, an outdoor side, and a duct side. The housing also includes an upper air duct and a lower air duct, which are connected to each other via a fan. The fresh air inlet is located on the outdoor side and connects to the outside, and is connected to the upper air duct via a fresh air channel. The first air inlet is located on the outdoor side and connects to the indoor side, and is connected to the upper air duct via a first circulation air duct. The second air inlet is located on the outdoor side and connects to the indoor side, and is connected to the upper air duct via a second circulation air duct. The first air inlet and the second air inlet are spaced apart on either side of the fresh air inlet.

This utility model discloses an intelligent air purification device, which includes a purification chamber, multi-stage filtration components, a sensing module, and an embedded control system. The purification chamber adopts a double-layer noise reduction design, with a pre-filter, an activated carbon filter layer, and a high-efficiency filter arranged in the airflow channel. The sensing module detects air quality parameters, and the embedded control system dynamically adjusts the fan speed and filter operating status based on the data. This application achieves efficient purification and energy saving by combining multi-stage filtration with intelligent adjustment, while also improving filter life and ease of operation, meeting the needs of home, office, and industrial environments.

This utility model discloses a multi-fan coordinated fresh air conditioning system, including an outdoor unit and an indoor unit. The outdoor unit is equipped with a pressurized air duct, and a first fan and a second fan are respectively installed inside the outdoor unit. By installing the first fan and the second fan in the indoor unit and connecting the first fan and the second fan in series, the fresh air static pressure output by the second fan is greatly improved. According to the test results of the fresh air conditioning system, the duct resistance of the fresh air conditioning system is the main reason for limiting the increase of fresh air volume. The high fan static pressure can overcome the duct resistance of the fresh air conditioning system and deliver fresh air to the room. With the help of the third fan installed in the indoor unit, a larger fresh air volume is delivered to the room.

This application provides a range hood, which includes a fan, a smoke collection hood, and a smoke exhaust duct. The fan's air inlet is connected to the smoke collection hood, and the fan's air outlet is connected to the smoke exhaust duct. The fan's air outlet is provided with an air multiplier structure, and the fan's air outlet is connected to the smoke exhaust duct through the air multiplier structure. The air multiplier structure includes an inner ring guide structure and an outer ring guide structure. The outer ring guide structure is arranged around the outer side wall of the inner ring guide structure, and an annular guide cavity is formed between the outer side wall of the inner guide structure and the inner side wall of the outer guide structure. The fan's air outlet is connected to the smoke exhaust duct through the annular guide cavity. This application provides a range hood that can increase airflow, expand the range of oil fume adsorption, and improve smoke extraction efficiency.

The application belongs to the technical field of environmental monitoring and purification, and particularly relates to an integrated atmospheric pollutant real-time monitoring and purification device, which comprises a machine body and a dust collection box arranged in the machine body, a high-voltage electrostatic dust collection unit, an air blower, a catalytic oxidation unit and an activated carbon adsorption and filtration module are sequentially arranged in the machine body along the airflow direction, an intelligent control module can receive and process real-time data monitored by the real-time monitoring module, based on a preset pollutant concentration threshold and an algorithm model, the pollution level and the main pollutant type of the current air quality are determined, and finally, a control instruction is generated according to the pollution level and the main pollutant type to dynamically adjust the working state of the high-voltage electrostatic dust collection unit, the catalytic oxidation unit and the activated carbon adsorption and filtration module and the rotating speed of the air blower, the purification strategy can be dynamically adjusted according to the real-time changing and complex pollutant composition and concentration, and precise and efficient purification and optimized energy consumption can be realized.