10results about How to "Stable wind pressure" patented technology

The mobile air conditioner comprises a shell, a horizontal partition plate is arranged in the shell and divides the shell into an upper cavity and a lower cavity, a first volute assembly made of heat preservation materials is arranged in the upper cavity, a first volute cavity is formed in the first volute assembly, an evaporator is arranged at the air inlet end of the first volute cavity, and a second volute assembly made of heat preservation materials is arranged at the air outlet end of the first volute cavity. The air outlet of the first volute cavity faces upwards; a second volute assembly is arranged in the lower cavity, a second volute cavity is formed in the second volute assembly, a condenser is arranged at the air inlet end of the second volute cavity, and the air inlet end of the second volute cavity and the air inlet end of the first volute cavity are located on different faces of the shell. The mobile air conditioner with the heat preservation air cavity is compact in structure, convenient and rapid to assemble, high in precision, low in working noise and power consumption, large in air outlet amount, long in air supply distance and good in heat dissipation performance, continuous and stable refrigeration of the mobile air conditioner is guaranteed, and the using effect is good.

The invention relates to the technical field of fans, in particular to a fan blade assembly and a portable fan, and the fan blade assembly provided by the invention comprises a shell which is internally through and comprises an air inlet end and an air outlet end; the pressurizing piece comprises a pressurizing seat and a plurality of stationary blades; the fan assembly and the pressurizing piece are sequentially arranged in the axial direction, and the fan assembly comprises a rotating base and a plurality of fan blades; the pressurizer is arranged in the shell, and the interior of the pressurizer is through and surrounds the radial peripheries of the fan assembly and the pressurizing piece; and in the axial direction from the air inlet end to the air outlet end, an air flow channel is formed among the inner surface of the supercharger, the outer surface of the rotating seat and the outer surface of the pressurizing seat, and the sectional area of the air flow channel is gradually reduced. The air flow is gradually pressurized and accelerated in the air flow channel in the air flow direction, so that the air pressure and the air speed are uniformly improved, and the air pressure and the air speed of the air flow finally blown out of the fan blade assembly can be more stable.

The utility model provides a kind of electric hair dryer, it includes shell and hair dryer piece.The electric hair dryer of the utility model, shell inside is equipped with multiple independent air duct, each air duct independently sets air inlet, air outlet and hair dryer piece, airflow can independently circulate in respective air duct inside, effectively ensure the air speed, air pressure stability of each direction air outlet, improve overall hair drying efficiency;And, the air outlet direction of the air outlet passage formed by the electric hair dryer corresponding multiple air ducts is different, so that user can realize the coverage of multiple area airflow without frequently adjusting the position of electric hair dryer, to make airflow distribution more uniform, range more extensive, to effectively cover the different area of object to be blown dry, improve user's use experience.

A sterilizing dryer comprises a machine body, a feeding device and a discharging device. The machine body comprises a frame, a conveyor belt, a roller and a drying and sterilizing box. A plurality of discharging devices are symmetrically arranged on both sides of the feeding device. The plurality of discharging devices are hinged to each other and to the feeding device. The conveyor belt is rotatably connected to the frame. The feeding device is placed on the conveyor belt and moves with the conveyor belt. The lower part of the frame has two front-to-back symmetrical frame shaft holes. The surface of the frame has a plurality of frame air holes evenly distributed. The middle part of the upper part of the frame has two left-right symmetrical driving plates. An intermediate groove is formed between the two driving plates. An intermediate groove guide groove is formed at the entrance of the intermediate groove. A driving groove is provided in the middle of each driving plate. An inner groove is provided in the middle of the driving groove. The inner groove has symmetrical outer grooves on the front and back sides. Each outer groove has a driving guide groove on the outside.

This utility model discloses a hot air circulation pipeline diversion and distribution device, relating to the field of pipeline diversion technology. It includes a diversion box with an air inlet on its bottom wall and branch interfaces evenly inserted on its top. Each branch interface has a connecting cylinder fixedly connected to its inner wall, and a crossbar fixedly connected to its inner wall. By incorporating connecting cylinders and connecting balls, this utility model prevents gas backflow during use, ensuring unidirectional hot air flow in the designed direction. This maintains stable airflow and pressure in each branch pipeline, preventing process effects caused by unstable airflow. The device also features threaded sleeves and protruding plates, allowing for quick and easy disassembly of damaged branch interfaces during maintenance. This significantly improves the efficiency of maintenance.

The novel cleaning robot comprises an upper shell, a lower shell, a control assembly, a power source assembly, a collecting box, a cleaning assembly and a moving assembly, the upper shell and the lower shell are detachably installed, the collecting box is arranged in the middle of the lower shell, the control assembly is arranged in front of the collecting box, and the control assembly is used for controlling a switch of the cleaning robot. A power source assembly is installed behind the collecting box and used for providing a power source for the control assembly, a sweeping assembly is installed at the bottom of the lower shell, and the collecting box is used for collecting swept hair and / or dust. The hair collecting box and the air pressure stabilizing box can be freely replaced, so that the air pressure stabilizing box can keep stable air pressure for a long time, and the air pressure cannot be attenuated.

The utility model discloses a multifunctional air volume control film blowing device for mulching film processing, and relates to the technical field of mulching film processing. The device comprises a bottom plate, an extrusion device is arranged at the top of the bottom plate, an air blower is fixedly connected to the top of the extrusion device, a ventilation box is communicated to the top of the air blower, an air suction pipe is communicated to the top of the ventilation box, and a transmission motor is fixedly connected to the interior of the ventilation box. The transmission motor drives the gear to be meshed with the fluted disc to drive the wind shield to rotate, the opening degree of the ventilation groove can be accurately adjusted, accurate control over the film blowing air volume is achieved, the problem that a traditional device cannot adjust the air blowing volume is solved, airflow leakage is effectively prevented through cooperation with a sliding sealing structure of the rubber sealing ring and the sealing groove, and the service life of the device is prolonged. And stable air pressure under different raw materials and process conditions is ensured, so that the film bubble forming quality is improved, the mulching film is more uniform in thickness and smoother in surface, and meanwhile, the energy consumption and the production rejection rate are reduced.

The embodiment of the utility model provides a front spoiler which is movably installed on an airflow channel of a frame, and a driving assembly and a guiding assembly are connected between the spoiler and the frame. The driving assembly can drive the spoiler to be switched between the opening state and the closing state in a reciprocating mode so as to achieve the effects of guiding air and disturbing flow and stabilizing the air pressure of the front portion of a vehicle, the rotating angle of the spoiler can be adjusted, the air resistance can be reduced to the maximum extent when the spoiler is in the opening state, and the air inlet disturbing efficiency is improved. The guide assembly can limit the motion trail of the spoiler, so that the spoiler rotates relative to the frame along the preset trail, the motion stability of the spoiler is guaranteed, and the motion state of the spoiler is more scientific and aesthetic.

An extractor hood comprises a box and an air inlet body, an oil cup is mounted at the bottom of the air inlet body, an upper oil guide component extending from front to back is arranged in the box, an upper air inlet channel is formed above the upper oil guide component, a lower air inlet channel is formed below the rear portion of the upper oil guide component, and the air inlet body ascends and descends in the lower air inlet channel. The projection of the oil guide edge of the upper oil guide part in the vertical direction always falls in the inner cavity of the air inlet body, and oil flowing down from the interior of the box body sequentially flows into the oil cup through the upper oil guide part and the inner cavity of the air inlet body. The lowest oil guide surface of the box body is raised by the upper oil guide part in the box body of the range hood, and the lower air inlet channel formed by the oil guide part downwards provides a containing space for the air inlet body to ascend and descend, so that the air inlet body does ascending and descending motion in the lower air inlet channel; the projection of the oil guide edge of the upper oil guide part in the vertical direction can always fall into the inner cavity of the air inlet body, so that oil flowing down from the interior of the box body sequentially flows into an oil cup through the upper oil guide part and the inner cavity of the air inlet body, and an oil way is prevented from being exposed.

An extractor hood comprises a box and an air inlet body, an oil cup is mounted at the bottom of the air inlet body, an upper oil guide component extending from front to back is arranged in the box, an upper air inlet channel is formed above the upper oil guide component, a lower air inlet channel is formed below the rear portion of the upper oil guide component, and the air inlet body ascends and descends in the lower air inlet channel. The projection of the oil guide edge of the upper oil guide part in the vertical direction always falls in the inner cavity of the air inlet body, and oil flowing down from the interior of the box body sequentially flows into the oil cup through the upper oil guide part and the inner cavity of the air inlet body. The lowest oil guide surface of the box body is raised by the upper oil guide part in the box body of the range hood, and the lower air inlet channel formed by the oil guide part downwards provides a containing space for the air inlet body to ascend and descend, so that the air inlet body does ascending and descending motion in the lower air inlet channel; the projection of the oil guide edge of the upper oil guide part in the vertical direction can always fall into the inner cavity of the air inlet body, so that oil flowing down from the interior of the box body sequentially flows into an oil cup through the upper oil guide part and the inner cavity of the air inlet body, and an oil way is prevented from being exposed.