20results about How to "Increase wind pressure" patented technology

The utility model discloses an outward-flat inward-opening type extremely simple door frame, which relates to the technical field of door frames and comprises a main sleeve and an auxiliary sleeve, an installation clamping groove is arranged on the rear side of the main sleeve, the auxiliary sleeve is fixedly arranged on the rear side of the main sleeve through the installation clamping groove, a first cavity and a second cavity are arranged inside the main sleeve, and the first cavity and the second cavity are communicated with each other. A bolt groove is formed in the second cavity, the cross section of the main sleeve is of a T-shaped structure, and a sealing strip is fixedly installed on one side of the back face of the main sleeve. According to the characteristic that the door is flat outside and open inside, the first cavity and the second cavity are arranged to increase the cross section area of the sectional material, a good supporting system is formed, and the deformation risk caused by long-term opening and closing can be resisted; the wall thickness of the main sleeve and the wall thickness of the auxiliary sleeve range from 1 mm to 3 mm. The millimeter-level thickness breaks through the visual decorous feeling of a traditional door frame, the ultra-narrow frame is achieved through the precision machining technology, the space permeability can be improved to the maximum degree, and the ultra-narrow frame is particularly suitable for modern simple and light luxury style decoration.

The utility model discloses a kind of diversion structure of parallel double-impeller cross-flow fan, including first impeller, second impeller, guide vane, two volutes and support seat, the first impeller, second impeller, guide vane and two volutes are connected between two support seats, and the first impeller and second impeller are arranged in parallel symmetry, the guide vane is set between the first impeller and second impeller, two the volute is symmetrically set in the lower end outside of the first impeller and second impeller, and the upper end of the guide vane and volute is set as air inlet, the lower end of the guide vane and volute is set as air outlet, the air inlet and the air outlet are communicated. The diversion structure of the utility model solves the problem that the wind speed, wind pressure of existing cross-flow fan is smaller, and the stiffness of overlength impeller is insufficient and the air outlet is not uniform, significantly improves the performance and efficiency of fan.

The application belongs to the technical field of fabricated wall construction, and particularly relates to a combined ALC window opening outer wall structure and a construction method, comprising a plurality of adjustable connecting assemblies, a plurality of limiting stoppers and at least one ALC wallboard, pretreatment work such as ALC wallboard anchor planting and flat steel welding is completed on the ground in advance, which maximally reduces the content and time of high-altitude work, and through systematic innovation, the construction safety, installation quality and work efficiency are successfully improved in cooperation, the core of which is to transform high-risk and high-difficulty work at high altitude into a safe and controllable prefabrication process on the ground, and relying on an adjustable, anti-loose and strengthened integrated connecting and positioning system, the drawbacks of traditional methods are fundamentally overcome, and the application has the comprehensive advantages of intrinsic safety, precision and efficiency, firmness and reliability, and provides an advanced solution for the construction of the window opening of the fabricated building outer wall.

The invention discloses a fan, an air conditioner outdoor unit and an air conditioner. The fan comprises a driving mechanism, a first impeller and a second impeller. The first impeller comprises a first hub and a plurality of first blades arranged on the first hub, and the first blades are arranged in the circumferential direction of the first hub at intervals. The first hub is in transmission connection with the driving mechanism. The second impeller and the first impeller are connected in series and stacked in the axial direction of the fan, the second impeller comprises a second hub and a plurality of second blades arranged on the second hub, and the second blades are arranged in the circumferential direction of the second hub at intervals. And the second hub is in transmission connection with the driving mechanism. And the rotating direction of the first blade is the same as that of the second blade. The fan can improve the air outlet amount and is beneficial to improving the heat exchange efficiency of the outdoor unit of the air conditioner, so that the use experience of a user on the air conditioner is improved.

The invention relates to an air supply mechanism and cold air equipment, and relates to the technical field of fans. The air supply mechanism comprises a shell, a driving part, a first fan blade and a second fan blade; the shell is provided with a first air duct, a second air duct, a first air outlet and a second air outlet; the first air outlet communicates with the first air duct, and the second air outlet communicates with the second air duct; the driving piece is arranged on the shell; the first fan blade is located in the first air duct and is in transmission connection with the driving end of the driving part; the second fan blade is located in the second air duct and is in transmission connection with the driving end of the driving part; wherein one of the first fan blade and the second fan blade is a centrifugal fan blade, and the other one of the first fan blade and the second fan blade is an axial flow fan blade. The problems that an existing cooling fan is small in air outlet and limited in air supply range can be solved.

The utility model belongs to the technical field of gravure printing, and discloses an airflow circulation drying oven device of a gravure printing machine, which comprises a drying oven bottom box, a heating component, a drying oven top box, a fan and an air circulation component, the heating assembly is arranged between the oven bottom box and the oven top box; a drying area for a film material to pass through is formed between the drying oven bottom box and the drying oven top box; a wind energy storage area is formed between the drying oven top box and the heating assembly, and a plurality of fans for conveying natural wind into the wind energy storage area are further arranged on the drying oven top box; a gas extraction channel communicated with the drying area is formed in the drying oven top box; the air circulation assembly is used for circulating air flow of the exhaust air channel to the wind energy storage area. By arranging the fan and the air circulation assembly, uniform air blowing can be achieved, so that the printing film is heated uniformly and can be dried timely and fully, the quality of finished products can be guaranteed, and the printing speed of the whole machine can be increased.

The utility model discloses an oblique flow type air water cooling source cooling unit relates to high pressure frequency converter heat dissipation technical field, the inside fixed mounting of box body has shell and tube type condenser and compressor, the inner wall fixed mounting of box body has electric cabinet, the top fixed mounting of box body has the fan, the inner wall one side fixed mounting of box body has evaporimeter, fixed mounting has the oblique flow board in the air duct between fan and evaporimeter, install the expansion valve on the pipeline that shell and tube type condenser and evaporimeter communicate, and the air outlet is opened and communicated between box body and frequency converter chamber, and the device passes through efficient refrigeration system and air path design, effectively reduces the heat that high pressure frequency converter generates when operating, prevents indoor temperature too high, simultaneously, the indoor negative pressure that optimization's air pressure and air volume control reduced, avoids dust to be inhaled indoor, thereby protects electrical equipment from dust influence, prolongs equipment life.

The utility model discloses a cold chain equipment evaporative fan centrifugal impeller, including impeller base, a plurality of impeller blades are annular equidistance and set up on the impeller base, the ring cover is set between a plurality of impeller blades, the utility model is equipped with the ring cover between a plurality of impeller blades, is set up the ring cover at centrifugal impeller open end, when the air inlet comes from the air of impeller blade end face, the wind does work through the trajectory of impeller blade, accelerates through the blade trajectory of impeller blade, and the ring cover can reduce the interference of the flow along the radial direction of impeller end face, and provide the kinetic energy of wind force, reduce the volume loss of impeller blade, thereby promote the air volume and the wind pressure of centrifugal impeller, improve the performance of cold chain equipment evaporative fan centrifugal impeller.

A mixed-flow ventilation fan includes a base plate and a panel that snaps onto it. An exhaust pipe is connected to the rear of the base plate. An air inlet is provided on the panel, communicating with the exhaust pipe on the base plate. A motor mount is connected to the inner wall of the exhaust pipe via several guide vanes. The motor mount is fixed to the central axis of the exhaust pipe by the guide vanes. A drive motor is installed inside the motor mount, and a front fan blade is mounted on the main shaft of the drive motor. The front fan blade rotates inside the exhaust pipe, drawing in air from the air inlet and expelling it from the rear of the exhaust pipe. The beneficial effects of this invention are: the front fan blade is a mixed-flow fan blade, and combined with an optimized number of blades and a reasonable design of the inclination angle, curvature, and angle of attack of the inner and outer edges of the blades, the blades can efficiently perform work on the air during rotation, generating excellent airflow characteristics that balance large air volume and high air pressure.

The invention relates to the technical field of solar panels, and discloses a cooling device for a photovoltaic solar panel, which comprises a cart, a cold air mechanism is arranged at the top of the cart, a flow guide mechanism is arranged on the front surface of the cold air mechanism, the cold air mechanism comprises an air blowing unit and a cooling unit, the air blowing unit is fixedly connected to the top of the cart, and the cooling unit is fixedly connected to the top of the cart. The cooling unit is arranged in the air blowing unit, the air blowing unit comprises an air box, a fixing rod, a turbine fan, a grid and a dust filtering net, the air box is a main body of the air blowing unit, an air outlet is formed in the front face of the air box, and an air inlet is formed in the back face of the air box. The cooling unit of the cold air mechanism is matched with the air blowing unit, cooling air can be blown out of the solar panel, continuous air blowing is achieved, continuous cooling is achieved in the solar photovoltaic working period, the good cooling effect is achieved, the solar photovoltaic power generation efficiency is guaranteed, and the safety degree is higher than that of water cooling.

The utility model discloses a coal feeding flow-aiding smoke locking device for a boiler, which comprises a coal inlet pipe, a middle pipe and a coal outlet pipe through which coal flow passes, and an air shaping device through which flow-aiding air entering from a flow-aiding air pipe passes in sequence. The central axes of the coal inlet pipe and the coal outlet pipe coincide, and the bottom opening of the middle pipe is slightly smaller than the upper opening. The shaping air device comprises a flow-assisting air pipe, an air bellow and a plurality of flow-guiding air pipes, the flow-assisting air pipe is vertically or tangentially communicated with the air bellow, the air bellow is fixed outside the middle pipe, the flow-guiding air pipes are positioned below the air bellow and uniformly distributed on the outer wall of the middle pipe, upper openings of the flow-guiding air pipes are communicated with an inner cavity of the air bellow, and bottom openings of the flow-guiding air pipes are uniformly distributed on the periphery of the coal outlet pipe. According to the utility model, the horizontal flow aiding air entering from the flow aiding air pipe is changed into the same direction as the coal flow after passing through the air bellow and the flow guide air pipe, and forms a common downward resultant force with the coal flow, so that hot air flowing upwards from the inside of the boiler can be effectively inhibited, and the coal feeder is protected.

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 provides an integrated airflow-type high-intensity sound source, relating to the field of sound wave transducer equipment. It includes a motor, with one end of the motor shaft connected to an air pump and the other end connected to a sound source rotor via a reducer. The sound source rotor is rotatably mounted within a sound source stator, which has a sound source port. The sound source rotor has a hollow cavity, and the air pump outlet is connected to the cavity of the sound source rotor via an air guide pipe. Multiple frequency modulation ports are located on the outer wall of the sound source rotor, intermittently aligned with the sound source port. The sound source port is connected to an emitter with a horn-shaped nozzle. When the frequency modulation port is aligned with the sound source port, sound is emitted. Through the deep coupling design of the air compression mechanism and the acoustic modulation structure, the performance bottleneck of traditional high-intensity sound wave generators is overcome, demonstrating irreplaceable technical advantages in the field of acoustic applications. In the field of meteorological intervention, it can successfully output low-frequency sound waves of 30-100Hz, enabling meteorological intervention applications such as artificial rain enhancement and fog dispersal.

This utility model relates to the field of glass curtain wall panel technology, specifically a high-bending-strength composite glass curtain wall panel, comprising a composite glass curtain wall panel body. From the outside to the inside, the composite glass curtain wall panel body consists of a surface dense glass protective layer, a biomimetic alternating strengthening layer, a honeycomb core-gradient adhesive composite layer, an internal functional layer, and a bottom impact-resistant glass substrate. The surface dense glass protective layer, the biomimetic alternating strengthening layer, the honeycomb core-gradient adhesive composite layer, the internal functional layer, and the bottom impact-resistant glass substrate are arranged with their edges aligned. Laser-etched microgrooves are uniformly formed on the upper surfaces of the biomimetic alternating strengthening layer, the honeycomb core-gradient adhesive composite layer, the internal functional layer, and the bottom impact-resistant glass substrate. This utility model, through its design of a biomimetic strengthening layer + gradient interface + functional integration, achieves breakthroughs in multiple performance aspects such as bending resistance, impact resistance, sound insulation, and heat preservation while maintaining a lightweight design. It is suitable for scenarios such as curtain walls of ultra-high-rise buildings and facades in extreme climate zones.

The application relates to the technical field of micro fans, in particular to a multi-jet-hole guide fan, which comprises a fan body and a guide device arranged on one side or both sides of the fan body through a gap, at least two jet-hole units are arranged on the side of the fan body close to the guide device, and each jet-hole unit comprises at least two jet holes arranged at intervals, in the application, the design of a single first guide channel with multiple jet holes can help to expand the suction range when the airflow sprayed by the multiple jet holes enters the corresponding first guide channel after passing through the guide cavity, meanwhile, the one-to-many mode can reduce the local pressure peak value, inhibit the formation of turbulent flow and the impact on the wall surface of the first guide channel, and is beneficial to improving the flow and reducing the noise; on the other hand, the setting of the convex part can force the circumferential gas to smoothly turn along the surface of the convex part, reduce the airflow separation area, and reduce the instability of the shear layer.

The application discloses an integrally die-casting metal single plate and a manufacturing method thereof. The metal single plate comprises a plate surface, the back surface of the plate surface is provided with ribs, the peripheral edge of the plate surface is provided with a side wall bent to the back surface, and a connecting piece is arranged on the peripheral side wall. The plate surface, the ribs, the side wall and the connecting piece are integrally die-cast. The application solves the problems of long processing and production period, many production links, unstable assembly quality, large geometric dimension error, poor surface flatness, poor interchangeability and large material loss of the existing metal single plate.

The utility model discloses a high-reliability single-glass crystalline silicon assembly structure, which comprises a solar cell string. The toughened glass layer is arranged above the solar cell string; the first adhesive film layer is arranged between the toughened glass layer and the solar cell string; the second adhesive film layer is arranged below the solar cell string; and the protective layer is arranged below the solar cell string. According to the utility model, through the structural design of the metal foil layer and the butyl rubber ring, the single-glass crystal silicon assembly forms a barrier layer, erosion of environmental factors such as water vapor, oxygen and carbon dioxide is effectively prevented, the long-term reliability of the assembly is improved, the waterproof frame is additionally arranged on the single-glass crystal silicon assembly, the overall structural stability of the assembly is enhanced, and the service life of the assembly is prolonged. And the wind pressure resistance and the impact resistance in a complex environment are improved.

A container tank cleaning device comprises a rack, a conveying mechanism is arranged on the rack, and the conveying mechanism is used for conveying a container tank to be cleaned; the cleaning mechanism is arranged on the machine frame and comprises an external cleaning mechanism body and an internal cleaning mechanism body, and the external cleaning mechanism body and the internal cleaning mechanism body are sequentially arranged in the conveying direction of the container tanks. The container tank is cleaned by the external cleaning mechanism and then cleaned by the internal cleaning mechanism; and the drying mechanism is arranged on the rack and located on the downstream of the cleaning mechanism, and the drying mechanism is used for drying the cleaned container tanks. According to the container cleaning device provided by the embodiment of the utility model, energy sources in the container cleaning process can be saved, the cleaning degree of the container is improved, and the drying time of the container is shortened.

The invention discloses an impeller, a fan, an air conditioner outdoor unit and an air conditioner. The impeller comprises a hub, a plurality of main blades and a plurality of auxiliary blades. The multiple main blades are connected with the hub and arranged in the circumferential direction of the hub at intervals. The multiple auxiliary blades are connected with the hub, and at least one auxiliary blade is arranged between every two adjacent main blades. The area of the main blades is larger than that of the auxiliary blades. The maximum vertical distance between the outer edge of the main blade and the central axis of the hub is R1, the maximum vertical distance between the outer edge of the auxiliary blade and the central axis of the hub is R2, and R2 is larger than or equal to 0.85 R1 and smaller than or equal to 1.2 R1. The impeller can effectively improve the air output of a fan without increasing the diameter, is beneficial to improving the heat exchange efficiency of an outdoor unit of an air conditioner, and prevents the fan from additionally increasing the occupied space of the air conditioner.

An outdoor applicable assembly type grid ceiling system for outdoor decoration, comprising a grid structure, a beam structure, a suspender structure, a diagonal strut structure, a first adapter, a second adapter and a third adapter, the beam structure is provided with beam openings at intervals along its length direction, the suspender structure is provided with suspender openings along its length direction, the diagonal strut structure is provided with diagonal strut openings along its length direction, the first adapter and the second adapter are fixedly connected with the roof by mechanical anchors, one end of the suspender structure is detachably connected with the first adapter through the suspender openings, the diagonal strut structure is detachably connected with the second adapter through the diagonal strut openings, the other end of the diagonal strut structure is detachably connected with the suspender openings through the diagonal strut openings, the suspender openings are detachably connected with the third adapter, the beam structure is detachably connected in the third adapter, and the grid structure is detachably connected with the beam openings.