46results about How to "Increase wind speed" patented technology

The application discloses a kind of for tantalum niobium tailings in tin metal recovery's synergistic treatment system, specifically related to metallurgical solid waste resource utilization technical field, acoustic-electricity perception pre-agglomeration module exports pre-agglomeration probability index according to pre-agglomeration threshold value;Heat resistance chromatography module exports the temperature field and fluidized void fraction distribution of suspected agglomeration area;Inhibiting ingredient self-adapting module calculates inhibitor addition rate according to distribution;Wind material decoupling adjustment module exports decoupled wind speed and feed rate set value according to addition rate and bed pressure drop;Chain negative feedback blocking module detects pressure drop deviation to generate feedback correction, superimposed to wind speed set value and reversely adjust feed rate set value, while used to update pre-agglomeration threshold value;The application realizes the online identification of agglomeration precursor, accurate danger area precision inhibiting and the closed-loop cooperation of wind material decoupling, inhibits the nonlinear deterioration of coking loss flow, makes tin recovery rate keep stable when tailings fluctuation, and reduces inhibitor consumption and manual intervention.

This invention discloses a dual-motor hair dryer, relating to the field of hair dryer technology. It includes a housing, a handle, and a mounting cover installed inside the housing. It also includes a dual-system blowing assembly, a drive assembly, a first adjustment assembly, and a second adjustment assembly located inside the mounting cover. In use, the right-side main motor fan system, through the cooperation of the air guide tube, main air duct, and inner air duct, delivers gas to the inner cylinder, evenly passing through the heating element. Simultaneously, the left-side auxiliary motor fan system delivers gas to the outer air duct through the air guide tube, auxiliary air duct, and flow equalization pipe. The gas flows through the annular air cavity, forming an annular air curtain that surrounds the hot air along the central axis. The annular cold air curtain and the hot air along the central axis are coaxially superimposed. Furthermore, the main and auxiliary air ducts are isolated, ensuring that the high temperature of the main air duct does not affect the auxiliary motor, resulting in high operating efficiency for the auxiliary motor. The main motor also experiences stable load due to the smooth air duct, significantly improving the overall energy efficiency and further achieving energy savings.

The application relates to a middle air inlet type household convenient drying machine, air inlets are arranged in the middle part of the machine body, and other non-core pneumatic components such as control panels are arranged outside the fluid channel, the path from air suction to air exhaust forms a more short and straight, smooth and efficient airflow air duct, airflow loss is maximally reduced, air speed and air volume are obviously improved, the pneumatic performance and drying efficiency of the drying machine are improved, and working time is shortened. Meanwhile, due to the smooth air duct design, airflow can pass in a more smooth laminar flow state, noise generated due to impact and turbulence is reduced, a more quiet use experience is provided for users, due to the reduced air duct resistance, the running load of the motor is smaller, energy is saved, the service life of the drying agent is prolonged, meanwhile, the compact structure of the household drying machine is maintained, and a more comfortable use experience is brought to users.

This invention relates to the field of heat dissipation airflow mesh technology, and provides an airflow mesh for passive airflow cooling, including a pipe assembly, a clamping assembly, and an adjusting assembly. The pipe assembly includes a main pipe, a secondary pipe, an adjusting pipe, a vertical plate, and a horizontal plate. The clamping assembly, sleeved on the outer wall of the adjusting pipe, includes a fixed plate, a movable part, a rotating plate, and a support block. The adjusting assembly is located at one end of the main pipe and inside the main and secondary pipes, and includes a motor, a rotating shaft located at the output end of the motor, a drive bevel gear sleeved on the end of the rotating shaft away from the motor, a rotating part located on the end of the drive bevel gear away from the rotating shaft, and a spiral part sleeved on the rotating part. The function of the pipe assembly is to connect traditional heat dissipation pipes in sections, and through the combined effect of the septum effect and Bernoulli's principle, to compress the gaseous working fluid and release heat, which is conducted away through the metal thermally conductive material, thereby reducing the temperature of the airflow after it passes through by approximately 50 watts / m² / m / s.

The invention discloses a transformer capable of reducing loss, and relates to the technical field of transformers, the transformer comprises a shell and an adjusting assembly, a guide plate is arranged at the upper part in the shell, a housing is arranged in the middle of the guide plate, the adjusting assembly is arranged at the inner side of the housing, the adjusting assembly comprises a shaft rod, and the shaft rod is arranged at the inner side of the housing; an adjusting cavity is formed in the lower portion of the shaft rod. When the device is used, the device can be automatically adjusted according to the temperature change in the transformer, so that when the temperature rises, the circulating flowing speed of oil liquid is increased, heat dissipation is accelerated, the heat dissipation efficiency of the device is positively correlated to be matched with the temperature change of the device, it is guaranteed that the device can dissipate heat in time, and the service life of the device is prolonged. According to the device, the temperature of the oil liquid is increased, additional loss increase caused by too high temperature is avoided, oil sludge mingled in the oil liquid can be separated and removed when the oil liquid is circulated, and the situation that the oil sludge adheres to the device, the heat dissipation performance of the device is reduced or the additional loss of the device is increased is avoided.

The utility model provides a hydrogen production device, which comprises a shell, an air inlet, a water inlet and a water outlet, wherein one end of the shell is provided with an air inlet; the partition component is arranged in the shell so as to divide the interior of the shell into a first space and a second space, and the first space communicates with the air inlet; the electrolysis module is arranged in the second space and used for electrolyzing liquid and generating hydrogen flow; the condensation module is arranged in the first space, and the condensation module is communicated with the electrolysis module and used for separating hydrogen in the hydrogen flow; and the first fan is used for driving gas in the first space to flow. According to the embodiment of the utility model, the interior of the shell is divided into the first space and the second space through the separation part, so that the air flow rate in the first space is higher under the condition that the power of the first fan is the same, and the cooling effect of the condensation module arranged in the first space is improved; therefore, the operation efficiency and the stability of the whole hydrogen production device are improved.

The utility model discloses a kind of air intake structures of rear air intake hair dryer. It includes: air duct body;Several air inlets, set in the air intake end of the air duct body and located on the side wall of the air duct body;Fan module, set between the air intake end of the air duct body and the air outlet end of the air duct body;Flow guide plate, set in the inside of the air duct body and located between fan module and air inlet;Several flow guide holes, set on the flow guide plate;Transition fillet, set at the port of both ends of flow guide hole.The beneficial effects of the utility model are: reduce the wind noise of the air intake end of air duct body;It plays the role of protecting internal components, improves the service life of hair dryer;Increase wind speed;Increase the structural strength of filter screen;Filtering effect is good;Reduce fan noise.

This utility model relates to the field of work machinery technology, and discloses an air conditioning assembly and work machinery. The air conditioning assembly includes: an evaporator having an air inlet and a first air outlet; and a first duct assembly including a face-blowing duct, a defrosting duct, and a first common duct. One end of the first common duct is connected to the first air outlet, and the other end is connected to the face-blowing duct and the defrosting duct, respectively. In this utility model, the face-blowing duct and the defrosting duct are connected to the first air outlet of the evaporator through the first common duct. Compared with the original independent duct, the first common duct has a larger flow cross-sectional area. Under the same air volume at the first air outlet, the air velocity in the first common duct is lower, thus effectively reducing the eddy current intensity in the first common duct, thereby reducing the air pressure loss during the air guiding process of the first duct assembly, increasing the air velocity at the air outlets of the face-blowing duct and the defrosting duct, so that the air conditioning assembly has a better air outlet effect under the same working power.

This invention discloses a wind power generation device, including a windward upper component, a lower power generation component, and a cylindrical body. The bottom of the cylindrical body is fixed to the lower power generation component, and the top of the cylindrical body is rotatably connected to the windward upper component via a slewing support. The inner cavity of the lower power generation component communicates with the inner cavity of the windward upper component through the cavity of the cylindrical body. When the windward upper component turns with the wind, its front end faces the wind and its windward side is aligned with the wind. The air pressure difference generated inside and outside the windward side draws air in from the opening of the lower power generation component, passes through the cavity of the cylindrical body, and is discharged from the windward side of the windward upper component. The lower power generation component generates electricity using a turbine based on the drawn-in air. This method eliminates the need for any exposed fan blades, high-altitude installation, and maintenance. By utilizing the air pressure difference to draw in air and generate wind to drive the turbine, it can increase wind speed, is safer, more efficient, lower in cost, and easier to install and maintain.

The application relates to the technical field of kitchen appliances, and discloses an oven. The oven comprises an inner container, the inner container is provided with an inner cavity; a fan cover is located in the inner cavity to divide the inner cavity into a cooking cavity and a hot air cavity, the fan cover comprises: a flat plate structure, the flat plate structure is opposite to a first side plate of the inner container, the flat plate structure is provided with an air inlet part, the air inlet part is communicated with the cooking cavity and the hot air cavity; a flow guide structure is arranged on the circumferential side of the flat plate structure; along the circumferential side of the flow guide structure, the flow guide structure and the inner wall of the opposite inner container are both provided with an air outlet spacing; a first fan is located in the hot air cavity, air in the hot air cavity enters the cooking cavity through the air outlet spacing, and air in the cooking cavity enters the hot air cavity through the air inlet part; wherein the air outlet spacing is negatively correlated with the distance from the side edge of the flat plate structure corresponding to the flow guide structure to the axis of the first fan. The oven provided by the application has high cooking efficiency and good uniformity of heat distribution in the cooking cavity.

The invention discloses a pipeline assembly, a cleaning method, a cleaning device and cleaning equipment, the pipeline assembly is applied to the cleaning equipment, an air channel allowing airflow to pass through is formed in the pipeline assembly, the pipeline assembly comprises a flexible part, and the flexible part can be driven to deform in the direction pointing to the interior of the air channel or the direction away from the interior of the air channel so as to adjust the caliber of the air channel. Therefore, the airflow velocity is controlled. The pipeline assembly can drive the flexible part to deform in the working process to achieve caliber adjustment of the air duct, when large-particle garbage is cleaned, the flexible part can be driven to deform in the direction pointing to the interior of the air duct, the caliber of the air duct is reduced, the air speed is increased, and the problems that the large-particle garbage moves slowly and flows back are solved; when the cleaning device is applied to small-particle garbage cleaning, the flexible part can be driven to reset to the initial position, the caliber of the air duct is increased, energy consumption and noise are reduced, dual optimization of the performance and energy efficiency of the cleaning device is achieved, and user experience is improved.

The utility model relates to the technical field of building ventilation, and provides an indoor circulating ventilation structure for a green building, which comprises a top mounting rack, a wind gathering mounting pipeline, a wind supply assembly, a filter layer, a wind power circulating pipeline, a wind pressure push plate assembly and a filter air outlet, and the lower side of the top mounting rack is fixedly connected with the upper side of the wind gathering mounting pipeline; the wind supply assembly is arranged in the wind gathering installation pipeline, the lower side of the wind gathering installation pipeline is connected with the upper side of the wind power circulation pipeline, the filter layer is arranged between the wind gathering installation pipeline and the wind power circulation pipeline, and the multiple sets of wind pressure push plate assemblies are arranged in through grooves formed in the pipe wall of the wind power circulation pipeline. The wind power circulating ventilation system is reasonable in structure, convenient to use and capable of improving the indoor circulating ventilation effect and saving energy, and conforms to the green building concept.

The utility model provides a kind of heat dissipation system and high-power charging pile based on air conditioner belongs to charging pile technical field, and it includes: first door leaf, first door leaf has installation cavity in, the inside surface of first door leaf is provided with first through-hole area and second through-hole area, the outside surface of first door leaf is provided with third through-hole area;Air conditioner module is set in the installation cavity of first door leaf;The air inlet end of air duct is connected with the inside surface of first door leaf and aligns first through-hole area, the air outlet of air conditioner module is communicated with the air inlet end of air duct by first through-hole area;The beneficial effects of the utility model are that: heat dissipation system adopts the design of sending in charging module after extracting external air cooling, the air inlet of air conditioner module can obtain external air through second through-hole area, the air outlet of air conditioner module can send cool air into air duct through first through-hole area, air duct can accurately guide cool air to reach the radiating fin area of charging module, effectively improve heat dissipation efficiency and uniformity.

The utility model discloses an improved tower fan wind wheel structure which comprises a first side cover and a second side cover which are coaxially arranged, a plurality of separation rings are arranged between the first side cover and the second side cover at intervals, a plurality of impeller sets which are coaxially arranged are formed through separation, and each impeller set is provided with a plurality of blade groups. The blade groups are distributed at intervals in the circumferential direction, and an interval d2 is formed between every two adjacent blade groups; each blade group comprises more than three blade units, an interval d1 is formed between every two adjacent blade units, and in the same blade group, the intervals d1 between the blade units are arranged in an equal mode or have a gradually-increasing or gradually-decreasing changing trend and meet the condition that the interval d1 is smaller than the interval d2. Compared with the prior art, the influence of errors caused by a forming process is reduced, so that the wind speed and the air output can be increased under the conditions that the wind wheel structure runs more stably and the rated output power is the same, and the running noise of the tower fan wind wheel is reduced.

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 provides a full-wind-direction bladeless wind gathering and energy taking device, which comprises a full-wind-direction wind gathering and accelerating mechanism, a bladeless wind power taking mechanism arranged at a throat position of the full-wind-direction wind gathering and accelerating mechanism, and a power management module connected with the bladeless wind power taking mechanism. The application realizes the wind flow convergence and conditioning through the full-wind-direction wind gathering and accelerating mechanism, especially realizes the 360-degree full-wind-direction wind energy collection, improves the wind energy collection range, and based on the Venturi effect, improves the wind speed and wind energy density at the throat position, provides a high-density wind energy environment for the energy taking device to reduce the starting wind speed and improve the energy taking efficiency, and improves the output capacity under the same wind speed condition. The bladeless wind power taking mechanism converts the vibration energy into output electric energy, and the power management module manages, stores and outputs the electric energy, and solves the problems of high starting wind speed, insufficient wind direction adaptability, complex structure, high failure rate and the like of the existing sensor wind energy taking technology.

The application provides a grid type pipeline ventilation method suitable for downward drift filling stope, which comprises the following steps: carrying out grid type pipeline ventilation scheme design of the downward drift filling stope, constructing a one-layer one-step drift stope X, Y and Z three-way pipeline ventilation system, constructing a one-layer two-step drift stope X, Y and Z three-way pipeline ventilation system, and constructing a one-layer below drift stope Y and Z way pipeline ventilation system to form an overall grid type pipeline ventilation system. The application can effectively solve the problem that the downward drift stope has no independent return air channel and is difficult to form through air flow, guarantee the safety of stope operation, save engineering quantity and reduce cost; the local ventilator does not need to be moved multiple times, and the air flow can be prevented from reversing at the same time; the grid type pipeline ventilation system can return air in multiple ways, and the air resistance is small, the air speed is high, and the efficiency is high.

The utility model discloses a nozzle type aluminum alloy variable air volume valve, which particularly relates to the technical field of air valves and comprises two valve plates, two ends of the two valve plates are jointly connected with an air guide component, two blades are mounted between the two valve plates, and a linkage component is connected between the two blades. The two valve plates and the two air guide assemblies jointly form a nozzle structure, a plurality of first air inlets are formed in the inner sides of the ends of the air guide assemblies and jointly connected with a first air inlet cavity, a first air pipe is installed on the outer side of the first air inlet cavity, and a plurality of second air inlets are formed in the inner sides of the middles of the air guide assemblies. The multiple second air inlets are jointly connected with a second air inlet cavity, and a second air pipe is installed on the outer side of the second air inlet cavity. The nozzle type structure designed on the basis of the Venturi effect solves the problems of low precision and easiness in dust accumulation and blockage during differential pressure measurement, and has the advantages of high measurement precision, strong dust accumulation and blockage resistance, accurate air volume regulation and control, high processing efficiency and good product quality.

The utility model relates to the technical field of wind power generation, in particular to a fan with a wind gathering cover, which comprises a wind driven generator body and a mounting component. A wind gathering cover shell is arranged on the outer side of an impeller of the wind driven generator body, the wind gathering cover shell comprises a plurality of single shell bodies distributed in an annular array mode, and the size of an inner hole of the wind gathering cover shell is gradually shrunk and then gradually expanded from an air inlet to an air outlet. The mounting assembly comprises two fixing plates symmetrically distributed on the single-piece shells, a plurality of connecting plates which are distributed in an annular array and clamped between the fixing plates of the two single-piece shells, a plurality of first bolts penetrating through the single-piece shells and the connecting plates, and nuts which are in threaded connection with the first bolts and abut against the fixing plates. The resistance coefficient of the wind gathering cover can be reduced, dispersed wind is gathered to form wind in the same direction, wind power is concentrated, and the wind energy utilization rate is increased.

This invention discloses a grille device (100) for an air handling equipment (200), comprising: a plurality of guide vanes (102) connected to the air handling equipment. The plurality of guide vanes (102) are configured to allow airflow to pass through the grille device (100) in a direct current manner along a first direction. The guide vanes (102) include a cross-section defined by the first direction and a second direction perpendicular to the first direction, the cross-section having a maximum chord length (L) along the first direction and a maximum thickness (t) along the second direction, the ratio between the maximum thickness (t) and the maximum chord length (L) being set to reduce noise caused by the airflow while maintaining or increasing the airflow velocity.

The utility model discloses a heat radiation strip, comprising a substrate, two sides of the substrate are fixedly connected with a first heat conduction pleat and a second heat conduction pleat, one side of the first heat conduction pleat and one side of the second heat conduction pleat, which are far away from the substrate, are fixedly connected with a packaging plate, end portions of two ends of the two packaging plates are both provided with packaging wrapping edges, the middle of one end of the substrate is fixedly connected with a power connection plate, and the first heat conduction pleat and the second heat conduction pleat are both provided with a plurality of pleat plates. According to the utility model, the first heat conduction pleat and the second heat conduction pleat are symmetrically designed through the turbulent flow windows of the adjacent blades, and the window opening directions of the turbulent flow windows of the first heat conduction pleat and the second heat conduction pleat are opposite, so that a turbulent flow channel formed by the first heat conduction pleat and the second heat conduction pleat generates more disturbance directions; and more micro cyclones are generated by the internal air flow, so that more air can be in contact with the heat dissipation strips, and the heat dissipation efficiency is further improved.

The utility model relates to the field of purple sand wine jar cooling, in particular to a rapid cooling device for processing a purple sand wine jar. Comprising a mounting box, a mounting cavity is formed in the top of the mounting box, two connecting blocks are symmetrically mounted in the mounting cavity, a fixing ring is mounted between the two connecting blocks, a plurality of motors are arranged below the fixing ring in an annular array mode, and the output end of each motor penetrates through the fixing ring and then is in transmission connection with a connecting column; and a group of fan blades are mounted at the top of each group of connecting columns, and the multiple groups of fan blades are arranged above the fixing ring in an annular array mode. According to the embodiment, the problem that the quality of a final product is affected due to different cooling speeds of some parts on the surface of the purple sand wine jar caused by poor cooling uniformity is avoided.

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 relates to the technical field of winnowing machine, and disclose a kind of frequency conversion winnowing machine, including winnowing frame, the upper end of winnowing frame is equipped with winnowing net cylinder, the top of winnowing net cylinder Both sides are equipped with fixed frame, and the fixed frame is equipped with screening net board inside;The bottom of winnowing net cylinder is equipped with screening bucket a, screening bucket b and screening bucket c from left to right, and the end of winnowing net cylinder is fixedly installed with winnowing pipeline, the top of winnowing frame is equipped with equipment carrier plate, and the equipment carrier plate is equipped with frequency conversion fan;The utility model equipment is electrically connected by adjusting frequency converter and frequency conversion fan, can realize the continuous, accurate regulation of wind speed, satisfy the grading separation demand of different density impurities.

The embodiment of the invention provides a control method and device of a cleaning system, a storage medium and a program product. The method comprises the following steps: responding to a dust collection instruction of the cleaning system; a dust collection fan and a main machine fan are controlled to be started; wherein the power of the dust collection fan is greater than that of the host fan; the driving assembly is controlled to drive the dust blocking module to move relative to the box body to change the opening proportion of the dust inlet so as to change the air inlet flow and the air speed of the dust inlet. Therefore, when the cleaning system collects dust, the opening proportion of the dust inlet is changed, garbage residues are reduced, and the cleaning effect on the box body is improved.

This invention relates to the field of renewable energy power generation system management technology, and discloses an energy storage-type device for smoothing generator power fluctuations. The device includes a planetary gear set, a cylinder connected to the planetary gear set, ropes wound around the cylinder, and an energy storage structure connected to one end of the ropes. The planetary gear set includes a planet carrier, planetary pinions, a sun gear, and a ring gear. There are at least two ropes, each consisting of a winding section, a separating section, and a connecting section connected sequentially from its starting end to its ending end. The starting end of the rope is fixedly connected to the end of the cylinder connected to the planetary gear set or to the ring gear. The winding sections are wound synchronously and side-by-side around the outside of the cylinder. The separating sections are tangent to the cylinder, and all separating sections are equidistantly distributed along the circumference of the cylinder. This invention, by setting up a planetary gear set, a cylinder, ropes, and an energy storage structure, converts most of the power fluctuations that would normally be borne by the generator into gravitational potential energy for storage or release.

The utility model relates to the field of rail cars, in particular to a rail car protection device which comprises a heat dissipation disc, a wheel is fixedly connected to one side of the heat dissipation disc, the diameter of the heat dissipation disc is larger than that of the wheel, and a plurality of heat dissipation holes are formed in the portion exceeding the wheel in an annular array mode. The two ends of the rotating shaft are connected with a fan cover in a penetrating mode, and a plurality of guide plates are hinged to the inner wall of the fan cover. The protective cover is fixedly connected to the face, close to the wheel, of the fan cover, wind power is generated through rotation of the wheel, the generated wind power enters the fan cover along the fan cover, collected air is conveyed along the flow guide plate, and due to the fact that the fan cover is arranged to be in a contracted shape, the wind speed can be increased; air in the air conveying pipe enters a flow guide groove in the protection cover and is discharged along the flow guide groove, the discharged air blows the rotating wheel to achieve heat dissipation of the wheel, in addition, a heat dissipation disc fixedly connected to one side of the wheel and a heat exchange plate fixedly connected to the heat dissipation disc conduct heat exchange, meanwhile, the heat exchange plate is arranged to be in a spiral shape so that the heat exchange area can be increased, and heat exchange efficiency is improved. And heat dissipation is accelerated.

The utility model belongs to the field of octagonal hatching box machines, and particularly relates to a ventilation structure of an octagonal hatching box machine, which comprises a case, an air inlet pipeline is fixedly arranged in the middle of the case, air outlets are arranged on two sides of the upper end of the case, a water cooler is fixedly arranged in the middle of the inner side of the case, and a ventilation fan is arranged on the water cooler. A mounting frame is fixedly mounted in the case, a bearing seat is fixedly mounted at the upper end of the mounting frame, and a bearing is fixedly mounted in the bearing seat. The two air inlet pipelines are arranged in the middle of the machine body for air inlet, the two sides of the machine body for air outlet, and the bottoms of the air inlet pipelines extend to the positions close to the centers of the fan blades, so that the negative pressure of the air inlet pipelines is greatly increased, the air speed in the air inlet pipelines is greatly increased, and the uniformity of airflow in the equipment is optimized; and through uniform distribution of the water cooler structure from top to bottom, the water cooling effect is greatly improved, and the concentration of carbon dioxide in the machine body can be reduced.

The wine cabinet comprises a cabinet body, the cabinet body is provided with a cabinet door capable of being opened and closed, a refrigeration assembly is installed in the cabinet body, the bottom, the back and the top of the cabinet body are provided with a bottom air channel, a back air channel and a top air channel which are communicated respectively, the two ends of the bottom air channel are wide, the middle of the bottom air channel is narrow, and the overall width of the back air channel is consistent. The top air duct is in a trapezoid shape with a narrow rear end and a wide front end, the front end of the top of the cabinet body is provided with a protective cover used for containing electronic accessories, the protective cover enables the top air duct to be of a Y-shaped structure, when air passes through the bottom air duct, the air speed is increased from large to small, and the air inlet amount is increased. And finally, through the Y-shaped top air duct, airflow vortexes can be reduced, noise can be lowered, airflow movement is optimized through reasonable air duct design, and the temperature adjusting efficiency and the use experience are improved.

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.