128results about How to "Increase air volume" patented technology

The application relates to the air conditioning technical field and discloses an indoor unit and an air conditioner. The indoor unit comprises a shell, an air duct formed in the shell, an air inlet and an air outlet, and the air duct is communicated between the air inlet and the air outlet; a heat exchanger located in the air duct; a cross-flow fan located in the air duct, the cross-flow fan comprising a motor; wherein a side wall of the air duct is provided with an exhaust passage communicated with the air duct, the shell is further provided with a heat dissipation passage, the heat dissipation passage is located outside the air duct and is communicated between the exhaust passage and the motor, and airflow in the air duct can flow to the motor through the exhaust passage and the heat dissipation passage. The airflow in the air duct has certain kinetic energy and temperature regulation, thereby providing continuous cooling effect for the motor, so that the heat dissipation efficiency of the motor is remarkably improved, and the service life of the motor is prolonged.

The application relates to a heat dissipation technology field of a fuel cell, in particular to a heat dissipation device integrated with anti-vibration and a fuel cell heat dissipation system, which comprises a shell, a fan arranged in the shell and a heat exchanger arranged on the side of the shell, and further comprises two opposite vertical arms arranged in the shell, a plurality of guide vanes corresponding to the gaps between two adjacent fins of the heat exchanger are rotatably arranged between the two vertical arms; the inclined guide vanes can change the flow direction of the airflow, so that the airflow can directly impact the wall surface of the fin, thereby effectively destroying the airflow layer wrapped on the fin due to vibration and not easy to flow, when the vibration intensity increases, the swing amplitude of the guide vanes increases, so that the stripping effect of the airflow on the low-speed airflow layer attached to the wall surface of the fin is more intense, the stripping effect of the airflow layer automatically matches the current vibration condition, the speed regulation mechanism increases the rotating speed of the fan, compensates for the additional wind resistance loss, and ensures that the convective heat exchange efficiency is maintained under different intensity vibration working conditions.

The present disclosure relates to an axial flow fan blade, a fan assembly, an air conditioner outdoor unit and an air conditioner. The axial flow fan blade comprises a hub and a plurality of blades arranged on the outer side of the hub, each blade comprising a pressure surface and a suction surface arranged oppositely, each blade comprising a blade inner edge and a blade outer edge arranged oppositely, and each blade further comprising a blade leading edge and a blade trailing edge arranged oppositely. Each blade is divided into a first region, a second region and a third region in a circumferential direction. The first included angle of the first region, the second included angle of the second region and the third included angle of the third region are selected to be in a ratio of 1:1.25-1.9:1.25-1.9.

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.

The utility model relates to the technical field of hairdressing devices, in particular to a handle wiring structure and a hairdressing device.The handle wiring structure comprises a handle shell, a front side fixing frame and a rear side fixing frame, the handle shell is provided with an installation cavity, and the front side fixing frame and the rear side fixing frame are arranged in the installation cavity and assembled and fixed together; the front side fixing frame and / or the rear side fixing frame are / is provided with a notch for a cable to penetrate through. Compared with the prior art, the front side fixing frame and the rear side fixing frame are arranged, and the front side fixing frame and / or the rear side fixing frame are / is provided with the notches, so that when each assembly is assembled, a cable can penetrate through the wire passing holes to be arranged on the outer sides of the front side fixing frame and the rear side fixing frame, and the cable is prevented from being clamped by the assembly in the assembly process; and therefore, the assembly difficulty of each component is reduced. Meanwhile, the cables are arranged on the outer sides of the front side fixing frame and the rear side fixing frame through the notches, the cables can be prevented from invading the air duct, and the air volume and the air supply efficiency of the air duct are improved.

The invention relates to an air purifier. The air purifier comprises a shell, an air duct device and a filter screen assembly. Wherein a mounting cavity is formed in the shell, a first opening and a second opening are formed in a pair of opposite two sides of the shell respectively, and a third opening and a fourth opening are formed in the other opposite two sides of the shell respectively; the multiple air duct devices are distributed in the mounting cavity at intervals in the direction from the first opening to the second opening, air outlets of the air duct devices communicate with the fourth opening, and a first air inlet and a second air inlet are formed in the two opposite sides of each air duct device correspondingly; the filter screen assembly is arranged on the shell. Openings in different directions are formed in the shell, the multiple air duct devices are distributed in the mounting cavity at intervals, every two adjacent air duct devices interact to enhance the suction force of external air entering the mounting cavity from the third opening, meanwhile, the external air can enter the mounting cavity from multiple directions, the air inlet amount of the air purification device in unit time is increased, and the air purification efficiency is improved. And rapid air purification is realized.

The utility model discloses a kind of impeller and extractor hood, belong to kitchen utensil field. To solve the problems of large air flow resistance of existing impeller blade, low efficiency and easy to accumulate oil. The utility model includes coaxially arranged first fixed sheet and second fixed sheet, the first fixed sheet is provided with a plurality of blades arranged around its axis between the second fixed sheet, wherein, blade side is streamline, the first fixed sheet is equipped with installation shell, and shaft sleeve and auxiliary installation component are set on installation shell. The technical scheme is by adopting streamline blade, effectively reduce air flow resistance, improve impeller operating efficiency and oil fume separation effect, reduce oil accumulation;At the same time, auxiliary installation component is convenient for the quick preliminary fixation of impeller on motor shaft, simplifies installation process.

The utility model provides a kind of hanging air purifier, relate to air purifier technical field.A kind of hanging air purifier, comprising: shell, air inlet and air outlet are provided on shell;Support frame, support frame is set in shell, and first accommodating space is provided in support frame;Filter element, filter element is set in first accommodating space;Plasma generating device, plasma generating device is set in first accommodating space, and filter element is set between plasma generating device and air inlet;Wherein, plasma generating device includes first frame and multiple plasma generating modules set in first frame.By being provided with plasma generating device in hanging air purifier, air is further treated by sterilization, deodorization etc. after passing through physical filtration, improve purification efficiency, and plasma generating device uses modular design to use multiple plasma generating modules, facilitate flexible configuration.

The utility model discloses a multi-point type air supply and exhaust box which comprises a plurality of fan boxes, each fan box comprises a bottom frame, stand columns are installed on the four sides of the top of each bottom frame, a top frame is installed on the tops of the stand columns, baffles are installed in the bottom frames and the top frames, and air inlet windows, air outlet windows, side baffles and door plates are installed among the stand columns on the four sides. A fan frame is further installed between the bottom frame and the top frame, and a plurality of EC fans are evenly installed on the fan frame. According to the utility model, the plurality of EC fans are arranged and mounted in the fan boxes in a one-wall manner, and the plurality of groups of fan boxes are spliced and connected to form the multi-point air supply and exhaust box, so that the whole-surface air supply is realized, the whole air conveying force is strong, the whole air supply / exhaust work is not influenced when a part of EC fans break down in the use process, and the service life of the whole air supply / exhaust box is prolonged. And through matched assembly of the multiple EC fans, the air supply amount is large, and the requirement for air supply / exhaust in a data center or a large space is met.

The application relates to the technical field of heating equipment, and provides a heating air outlet device and a bathroom heater. The heating air outlet device comprises a mounting bracket and a heating module. A plurality of mounting cavities are formed in the mounting bracket, and the mounting cavities form air passing channels for external airflow to pass through. The heating module comprises a plurality of heating blocks. The plurality of heating blocks are respectively and correspondingly mounted in the plurality of mounting cavities along a first direction, and the plurality of heating blocks are arranged in a staggered manner along the first direction. The mounting heights of at least two heating blocks along the first direction are different. The heating air outlet device provided by the application can construct heating structures with different shapes according to requirements, and the mounting heights of the heating blocks can be correspondingly set according to the air volume before the air enters the respective mounting cavities, so that the heat exchange efficiency of airflow and the corresponding heating blocks in the part with relatively small air volume is improved, and the problem of poor local heat dissipation effect of the heating air outlet device is solved.

The air fryer comprises a long cooking cavity and a reflection cover arranged above the cooking cavity in a covering mode, a metal heating pipe and a fan are arranged in the cooking cavity, the reflection cover comprises a transversely-extending top wall and a first side wall extending downwards from the tail end of the top wall, the lower end of the first side wall transversely extends outwards to form a flow guide wall, and the flow guide wall is communicated with the metal heating pipe. The tail end of the flow guide wall extends downwards to form a second side wall, and the lower end of the second side wall transversely extends outwards to form a supporting wall. The top wall and the first side wall define a fan cavity for containing a fan, a steam exhaust port communicated with the atmosphere is formed in the first side wall, the flow guide wall forms a downward-protruding turbulent flow part at the steam exhaust port, and the cold end of the metal heating pipe is hung on the flow guide wall and is opposite to the turbulent flow part. According to the air fryer, by reasonably setting the shape of the reflecting cover and the arrangement mode of the heating pipes, the cooking uniformity of the air fryer with the long cooking cavity is effectively improved, and the use experience of a user is improved.

The utility model discloses a neck hanging fan which comprises a shell and a draught fan, the shell comprises a connecting part and two installation parts arranged at the two ends of the connecting part respectively, the two installation parts are oppositely arranged, air channels are formed in the installation parts, the installation parts are further provided with a plurality of first air outlets, a plurality of second air outlets and an air inlet, and the first air outlets, the second air outlets and the air inlet are communicated with the air channels. The first air outlets and the second air outlets are vertically arranged at intervals, the multiple first air outlets are arranged at intervals in the length direction of the air duct, and the multiple second air outlets are vertically arranged at intervals in the length direction of the air duct; the draught fan is rotationally installed in the air duct and used for driving external airflow to flow into the air duct through the air inlet and then flow out of the first air outlets and the second air outlets. According to the technical scheme, the cooling and heat dissipation effects can be improved.

The utility model discloses a two-stage gradually changed fan impeller and automobile seat fan with it, including impeller main part, impeller main part includes the wheel hub and annular extension part in center, and the annular extension part is equipped with a plurality of fan blade along the wheel hub circumference, and the fan blade includes first guide vane and second guide vane, and the first guide vane is equipped with first guide inclined plane to the wheel hub one side, and the second guide vane is equipped with second guide inclined plane to the wheel hub one side, and the first guide inclined plane close to the site of telecentric end and the site of second guide inclined plane close to the telecentric end are opposite wheel hub center axle L and are located on different circumferential radius respectively, and the first guide inclined plane close to the site of near heart end and the site of second guide inclined plane close to the near heart end are opposite wheel hub center axle L and are located on the same circumferential radius. Have the effect of reducing the noise, promote the outflow.

The embodiment of the utility model provides a shell assembly and an air conditioner with the shell assembly. Wherein the shell assembly is provided with a matching point, an air supply channel, an air inlet and a first air outlet, the air supply channel is communicated between the air inlet and the first air outlet, the first air outlet is located above the air inlet, the matching point is arranged in the air supply channel, and the first air outlet is located above the first air outlet. The shell assembly comprises a front panel and a rotary air door. The front panel is provided with a second air outlet located below the first air outlet, and the second air outlet communicates with the air supply channel. And the rotary air door is rotatably connected with the matching point so as to control whether the second air outlet is communicated with the air supply channel or not. Therefore, the shell assembly has the advantages that the heating effect is improved, and the heat flow wind sweeping angle is increased.

The utility model relates to the field of air fryers, and particularly discloses an air fryer with high heating efficiency, which comprises a fryer main body, and the fryer main body comprises a cooking cavity, a hot air channel and an air source cavity. An air outlet communicated with the hot air channel is formed in the top of the air source cavity, and a centrifugal fan providing air flow power is arranged in the air source cavity. And a wind gathering cover is arranged in the wind source cavity and is provided with a flow guide part which is arranged around the periphery of the impeller of the centrifugal fan. The flow guide part can effectively guide airflow thrown out in the radial direction of the outer edge of the impeller, so that the airflow flows to the air outlet in a concentrated mode. A flow guide grid is arranged at the air outlet and provided with a grid plate extending towards the inclined upper portion. The inclination angle of the horizontal section, relative to the air outlet, of the grating plate is smaller than the inclination angle of at least part of airflow entering the hot air channel from the air outlet, at least part of high-speed airflow with the large inclination angle relative to the horizontal section at the air outlet can be buffered, and airflow turbulence and energy loss are reduced.

The utility model discloses a wrinkled digital printing nylon taffeta fabric, and relates to the technical field of fabrics. The key points of the technical scheme are as follows: the touch pad comprises a base layer, a plurality of prints are fixedly connected to the base layer, a plurality of corrugated sections with wavy sections are formed on the base layer, and contact pieces located between the adjacent corrugated sections are fixedly connected to one side, far away from the prints, of the base layer; the thickness of the two ends of the contact piece in the length direction is larger than that of the middle portion of the contact piece, the cross section of the middle portion of the contact piece is in a wave shape, and a plurality of through holes are formed in the base layer, and the through holes and the patterns are arranged in a staggered mode. And the nylon profiled fibers ensure the wear resistance of the fabric and improve the overall ventilation effect of the fabric at the same time.

The utility model discloses an air conditioner, the air conditioner includes: casing and ventilation heat exchange component, the length direction of casing is up and down direction, one of left wall surface and right wall surface of casing is first side wall, and the other is second side wall, and the air outlet of air conditioner forms on first side wall and / or the front wall surface of casing, and the intersection of second side wall and at least one of rear wall surface and front wall surface of casing forms into chamfered corner, and at least part of the air inlet of air conditioner forms on chamfered corner, ventilation heat exchange component is located in casing, and is used to inhale airflow from air inlet, and makes airflow send out from air outlet after heat exchange with airflow. According to the air conditioner of the utility model, when being applied to wall corner, the rear wall can be set to face rear wall, the second side wall can be set to face side wall, the air inlet is set on chamfered corner, the air inlet is not easy to be blocked by wall, and it is favorable to improve air intake.

The application provides a control method of an air conditioner and the air conditioner, and the control method of the air conditioner comprises the following steps: acquiring a heart rate of a user according to a smart wearable device; judging whether the heart rate is greater than a heart rate threshold; if the heart rate is greater than the heart rate threshold, acquiring a body surface temperature and a sweating amount of the user according to the smart wearable device, and controlling a rotation speed of an indoor fan and an air outlet angle of a deflector according to the body surface temperature and the sweating amount. The application solves the technical problem that the air conditioner cannot adjust the operation parameters of the air conditioner according to the physical state of the user, and cannot meet the comfort requirement of the user.

This utility model provides an air duct assembly and a cabinet-type air conditioner indoor unit. The air duct assembly includes a main shell and a secondary shell. The shell wall of the main shell forms a main upper air outlet, a main lower air outlet, and a main middle air outlet. The interior of the main shell forms a main upper air duct, an upper air blade cavity, a main middle air duct, a lower air blade cavity, and a main lower air duct. The secondary shell and the main shell enclose a secondary air duct. The upper air blade cavity, the upper air blade cavity outlet, the main upper air duct, and the main upper air outlet are sequentially connected to form a main upper air outlet path. The lower air blade cavity, the lower air blade cavity upper outlet, and the main air outlet are connected sequentially to form a main upper air outlet path. The main central air duct, main central air outlet, and secondary air duct are connected in sequence to form the secondary upper air outlet flow path; the lower air blade cavity, lower outlet of the lower air blade cavity, main lower air duct, and main lower air outlet are connected in sequence to form the main lower air outlet flow path; the main upper air outlet flow path and the main lower air outlet flow path are connected by a short path to reduce airflow resistance, increase air volume, and extend air delivery distance; the three flow paths of the main upper air outlet flow path, secondary upper air outlet flow path, and main lower air outlet flow path are set independently, and the upper and lower air outlets do not interfere with each other, thus improving the stability of air delivery.

The utility model relates to a low-wind-noise wind wheel structure, a fan assembly and a dehumidifier, a wind wheel comprises a support, the support comprises a hub, a mounting part and a flow guide part connected between the hub and the mounting part, the flow guide part and the mounting part are both located on the air inlet side of the wind wheel, the flow guide part is in a hollow circular truncated cone shape, and a containing cavity for at least containing part of a motor is defined by the flow guide part; the mounting part is used for mounting a driving shaft of the motor; and the inner ends of the blades are connected to the circumferential outer surface of the hub. According to the low-wind-noise wind wheel structure, the fan assembly and the dehumidifier, the flow guide part with the specific through-flow opening is arranged in the wind wheel, airflow organization in the wind wheel is optimized, airflow is more regular and smoother when entering the containing cavity and acting with the blades, and pneumatic noise is effectively reduced while the air volume is increased; meanwhile, the motor can be partially wrapped by the containing cavity formed by the flow guide part, and leakage of noise of the motor is reduced.

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.

This utility model discloses a cooling and air supply device for loading and unloading cargo compartments, comprising: a loading and unloading unit, which includes a cargo box and a telescopic chain conveyor, the telescopic chain conveyor being movably extended into the cargo box; and a cooling unit, including a cooler, an air supply duct, and a sliding frame, wherein the cooler is placed outside the cargo box, one end of the air supply duct is connected to the air outlet of the cooler, and the other end of the air supply duct is mounted on the sliding frame, the sliding frame being disposed inside the cargo box, and the sliding frame being movably fixed to the end of the telescopic chain conveyor. By setting a sliding frame that can move synchronously with the telescopic chain conveyor and an air supply system connected to it, dynamic and directional cooling and air supply to the loading and unloading operation area are achieved, effectively improving the air circulation inside the cargo box, reducing the temperature of the operation area, and significantly improving the comfort and safety of workers in high-temperature environments.

The application discloses a power monitoring multifunctional instrument convenient to install, and relates to the technical field of multifunctional instruments.The power monitoring multifunctional instrument convenient to install comprises a protection device.The power monitoring multifunctional instrument convenient to install is characterized in that a cover plate slides in the inner side of a slide rail, so that the cover plate is convenient to disassemble and place components;the monitoring instrument is supported by a supporting plate, so that the monitoring instrument is convenient to fix;the monitoring instrument is extruded by a clamping mechanism, so that the clamping mechanism can fix components;the components are reduced to shake, the components are reduced to shake in the equipment, the stability of the components is improved;air flow is transported into the protection shell by a treatment device, so that the treatment device can ventilate and radiate heat, the temperature of the components in the equipment is prevented from being too high, the components are prevented from malfunctioning, moisture in the air flow is absorbed during the air supply of the treatment device, so that water vapor and dust are reduced to enter, the pollution of the equipment by the outside is reduced, and the equipment is kept to normally operate.

This invention provides a refrigerator control method, including acquiring the working state and / or working level of the refrigerator's storage compartment corresponding to a first air outlet; acquiring the working state and / or working level of the refrigerator's storage compartment corresponding to a second air outlet; determining the preset position reached by each air distributor and the corresponding opening degree of the first and second air outlets based on the working state and / or working level; rotating the two air distributors so that each air distributor rotates to its corresponding preset position, while simultaneously controlling the opening degree of the first and second air outlets by a channel opening and closing device. This invention utilizes the preset position of the rotating air distributors and the corresponding opening degrees of the first and second air outlets, adhering to the principle of on-demand allocation, to specifically adjust the cold air delivery volume and deliver it to the first and second air outlets.

The utility model discloses a collecting net for a high-voltage electrostatic air purifier. The collecting net comprises a frame, a plurality of oval metal sheets and conducting strips. Wherein the frame comprises a hollow frame body defined by side styles, and a plurality of clamping grooves which are evenly arranged and open towards the back face of the frame are formed in the inner walls of the opposite sides of the hollow frame body; each elliptical metal sheet is an elliptical cylinder with a cavity inside; the plurality of oval metal sheets are arranged in parallel at preset intervals, and the two ends of each oval metal sheet are clamped into the clamping grooves respectively; and the conducting strip is arranged in the inner cavity of the hollow frame body and is used for being in contact conduction with each elliptical metal sheet. According to the technical scheme, the structure is simple, assembly and maintenance are convenient, the air volume of ion wind can be increased by more than 50%, and the service life of the metal wire emitting the ion wind can be protected by more than 25%.

The application relates to a high-efficiency energy-saving fan blade structure, which comprises a hub and a plurality of blades installed on the hub, the blade surface is provided with a plurality of concave lines, and a convex reinforcing rib is arranged between the blade and the hub. The application has the effect of improving the air volume under the condition of equal power.

The application provides a fan wheel and a cooling fan with the fan wheel, which are used to solve the problem that the existing fan wheel is easy to form vortex when rotating, and the air volume is difficult to improve. It comprises a rotating shaft, a hub and a plurality of fan blades, the plurality of fan blades respectively have a proximal end and a distal end, the proximal end is connected to the hub, the fan blade has a bifurcated structure adjacent to the distal end, the bifurcated structure has a main wing and a small wing, the small wing has an air inlet side and a flow guide side, the small wing has an air inlet first end point on the air inlet side, the small wing has a flow guide first end point on the flow guide side, the air inlet first end point and the flow guide first end point are connected to the main wing, the air inlet first end point and the axis have a first radial distance, the flow guide first end point and the axis have a second radial distance, and the second radial distance is the same as the first radial distance.

The utility model discloses a wear-resistant driving shaft assembly inner ball cage, and belongs to the field of inner ball cages. The device comprises an air inlet cover and an air outlet cover which are fixedly arranged on the surface of an inner ball cage shell, fan blades are covered with the air inlet cover and the air outlet cover, the fan blades are separated from the external environment, splashing sundries in the automobile running process can firstly collide with the air outlet cover and the air inlet cover, then the impact force of the sundries is prevented from making direct contact with the fan blades, and the service life of the fan blades is prolonged. Most sundries are difficult to enter the air outlet cover and the inner space of the air inlet cover, the fan blades are protected through the air inlet cover and the air outlet cover, and the heat dissipation effect of the fan blades is guaranteed; a plurality of air inlet grooves are formed in the surface of the inner spherical cage shell, and the depth of one side, close to the air inlet cover, of each air inlet groove is larger than that of the other side, so that more air around the inner spherical cage of the driving shaft assembly can be guided to slide towards one side of the air inlet cover, the amount of air passing through the surface of the inner spherical cage shell is increased, and more heat in the inner spherical cage shell is taken away; the heat dissipation effect is improved, and heating reduction of lubricating grease in the inner ball cage shell is avoided.

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.