7results about How to "Increase air speed" patented technology

The invention discloses impurity removal equipment for lubricating oil production, and belongs to the technical direction of lubricating oil production, the impurity removal equipment comprises an impurity removal box and an air inlet box, one end of the air inlet box is detachably provided with an electric roller shutter door, the other end of the air inlet box is fixedly provided with a fixed seat, and one side of the fixed seat is detachably provided with a first bevel gear; a first bevel gear is detachably mounted on one side of the fixing seat, a second bevel gear is detachably mounted on the other side of the fixing seat, the first bevel gear is meshed with the second bevel gear, a first impurity removal brush cylinder is arranged on the first mounting seat, and a second mounting seat is fixedly mounted on one side of the impurity removal box. The air inlet amount can be changed according to different lubricating oil yields, when a small amount of lubricating oil is produced, the minimum air inlet speed is used, the air inlet amount is increased, external air slowly enters the impurity removal box, dust and sediment in a workshop are prevented from rising due to the too high air inlet speed, dust is prevented from entering the impurity removal box, and the impurity removal efficiency is improved.

This invention discloses a comprehensive performance testing system for an electronic expansion valve. One end of an electric proportional valve is connected to the outlet of a gas storage tank via a booster pump, and the other end is sequentially connected to valve 1, a first pressure sensor, valve 3, valve 6, a second pressure sensor, a stepping solenoid valve, valve 8, and a first flow meter. One end of valve 2 is connected between valve 1 and the first pressure sensor, and the other end is left unconnected. One end of valve 5 is connected to the connection point of valve 3 and the first pressure sensor, and the other end is connected to one end of valve 4. The other end of valve 4 is connected to the connection point of valve 6 and the second pressure sensor. One end of valve 7 is connected between the first pressure sensor and the stepping solenoid valve, and the other end is left unconnected. One end of valve 9 is connected between the stepping solenoid valve and valve 8, and the other end is connected to the second flow meter. The inlet and outlet of the electronic expansion valve under test are connected between valve 3 and valve 6, and between valve 5 and valve 4, respectively.

The present invention discloses an air inlet assembly, comprising a panel, an air inlet opening is provided on the panel, the air inlet opening comprises a first air inlet area and a second air inlet area arranged in parallel; a baffle assembly comprises a first baffle and a second baffle; a motion mechanism comprises a driving mechanism and a transmission mechanism, the transmission mechanism comprises a first driving rod and a second driving rod, a third driving rod and a fourth driving rod, the first ends of the first driving rod and the second driving rod are respectively rotatably connected to the third driving rod, the second ends of the first driving rod and the second driving rod are respectively rotatably connected to the fourth driving rod, the third driving rod is connected to the first baffle, and the fourth driving rod is connected to the second baffle; the driving mechanism drives the first driving rod and the second driving rod to rotate, so that the first baffle can be moved to block the first air inlet area or to be staggered with the first air inlet area, and the second baffle can be moved to block the second air inlet area or to be staggered with the second air inlet area. A range hood using the above air inlet assembly is also disclosed.

The invention provides an air conditioner and a control method thereof.The air conditioner comprises a machine shell and an air inducing structure, the machine shell is provided with an air inlet and an air outlet, the air inducing structure comprises a rotation control mechanism, an air inducing plate and an axial flow fan, the air inducing plate is located outside the machine shell, and the rotation control mechanism can control the air inducing plate to rotate in the length direction of the machine shell; a ventilation hole is formed in the air inducing plate in the normal direction of the air inducing plate in a penetrating mode, axial flow fan blades of the axial flow fan are located in the ventilation hole, and a motor of the axial flow fan can control the axial flow fan blades to rotate. The air inducing structure is in any working mode of a conventional air supply mode, a composite soft air mode, a soft air diffusion mode and a large-air-volume air supply mode. According to the air conditioner, any working mode of a conventional air supply mode, a composite soft air mode, a soft air diffusion mode and a large-air-volume air supply mode can be executed, the working modes are diversified and selectable, the requirement of a user for the multifunctional air supply working mode is met, the air volume and comfort of air supply can be improved, and therefore the user experience comfort is improved.

An air outlet mesh cover includes: a connecting component, a first rib and a plurality of air outlet grilles; the first rib is an annular structure arranged outside the connecting component, which is connected to the plurality of air outlet grilles; the plurality of air outlet grilles are respectively connected to the connecting component, and extend radially outward with the center of the connecting component as the center of the circle, and the height of the connecting portion between the air outlet grille and the first rib is greater than the height of other parts of the air outlet grille. A mesh cover assembly and an electrical appliance including the above-mentioned air outlet mesh cover are also provided. By increasing the height of the connection between the air outlet grille and the first rib, the height of the connection between the air outlet grille and the first rib is made greater than the height of other positions of the air outlet grille to form a longer air supply channel, thereby increasing the wind speed at the center of the air outlet mesh cover, increasing the air supply speed, increasing the air supply distance, reducing the divergence of the air flow, and improving the user experience when using it.

The utility model relates to the related technical field of efficient cooling towers, and discloses an efficient cooling tower capable of improving energy utilization efficiency, which is characterized in that a water sprinkling cabin and an evaporation cabin are respectively arranged in a machine shell, a water inlet pipe connector is fixedly arranged on the outer wall of the left side of the water sprinkling cabin, and a water inlet pipe is fixedly arranged on the inner wall of the left side of the water sprinkling cabin; one end of the water inlet pipe penetrates through the wall body of the machine shell and is connected with the water inlet pipe connector, the other end of the water inlet pipe is fixedly connected with a water spraying pipe, first sliding grooves are formed in the lower portion of the water spraying pipe, the first sliding grooves are fixedly formed in the two sides of the inner wall of the water spraying cabin, and a drawing frame is slidably installed in the first sliding grooves; and the filter screen arranged in the cooling tower can effectively prevent impurities such as sediments, particulate matters and foreign matters from entering a water conveying pipeline of the cooling tower, so that a good working state of the cooling tower is kept, the cooling effect is improved, and internal equipment (such as a pump and a cooler) of the cooling tower is easily eroded and damaged by the impurities.

The application discloses a ventilation cabinet, comprising a cabinet body, a make-up air system, an upper make-up air module, and an upper outer make-up air outlet arranged towards a partition passage on the top side of an inner cavity, wherein the upper outer make-up air outlet is not arranged to make up air from outside a window. The application can improve the air flow organization of the inner cavity and prevent leakage of pollutants of the ventilation cabinet.