220results about How to "Increase the air intake area" patented technology

The invention provides a vertical air conditioner indoor unit and an air conditioner. The vertical air conditioner indoor unit (1) is installed at the position of an indoor wall corner (2) and comprises a first air outlet (11) and a second air outlet (12), the first air outlet (11) can conduct air outlet in the direction of a first wall face (21) of the wall corner (2), and the second air outlet (12) can conduct air outlet in the direction of a second wall face (22) of the wall corner (2). By means of the vertical air conditioner indoor unit and the air conditioner, airflow sent from the leftand right air outlets can flow along the wall, the air conditioner is prevented from blowing a person directly, the left and right air outlets achieve air supply along the wall, surrounding airflow can be achieved, the airflow achieves systemic circulation indoors, the coanda effect of the airflow is conveniently formed, even temperature distribution caused by uneven indoor airflow is prevented, the indoor temperature distribution is even, and the comfort of the user is improved.

The present invention provides a permanent magnet synchronous motor, belonging to the technical field of motors. The permanent magnet synchronous motor is characterized by: adoption of a solid shuttle-shaped rotor structure; a large radial air gap and an axial non-constant air gap; a permanent magnet adopting a radial buried structure; a starting squirrel cage embedded on the rotor; and the rotor and a stator both provided with corresponding ventilation ducts that facilitate cooling air which passes through the large radial air gap to take away heat of the surface of the solid rotor and heat of the stator itself. The permanent magnet synchronous motor in the invention not only solves a problem of starting difficulty in a permanent magnet motor having a conventional laminated rotor, but also solves a problem of heat dissipation difficulty in a permanent magnet motor having a conventional solid rotor. The permanent magnet synchronous motor in the invention with a starting torque from 2.0 to 3.0 further overcomes a problem of easy demagnetization of the permanent magnet caused by a too high temperature of the rotor.

The invention provides a range hood with an auxiliary air inlet channel. An oil filtering plate is installed on the front face of a cooking fume collecting cover. Main air inlets are formed in the oil filtering plate, and the oil filtering plate of the range hood is obliquely arranged towards the rear lower side from top to bottom. Auxiliary air inlets are formed in at least one of an area adjacent to the upper side edge of the oil filtering plate and an area adjacent to the lower side edge of the oil filtering plate. The auxiliary air inlets are in a long bar shape and are transversely through. Due to the fact that the auxiliary air inlets of the range hood are continuous and uninterrupted air inlet channels, the defect that gate-hole-shaped main air inlets are interrupted and not continuous can be overcome, and the air inlet area can be enlarged and a cooking fume path can be changed through the auxiliary air inlets. In addition, the included angle alpha between the oil filtering plate and the horizontal plane is designed to be larger than or equal to 18 degrees and smaller than or equal to 30 degrees, and under the condition that negative-pressure covering angles are the same, the negative-pressure covering area of a cooking bench is larger; and furthermore, after the auxiliary air inlets are arranged, the phenomenon that negative pressure is weakened and cooking fume escapes due to the fact that the inclination angle of a cooking fume guide plate relative to the horizontal plane becomes smaller can be effectively avoided, and therefore the cooking fume absorbing effect is improved.

The invention discloses an oil fume absorbing and noise reducing device of a range hood. The device comprises a volute fixedly connected with a box body of the range hood, wherein a wind turbine and a motor driving the wind turbine to rotate are arranged in the volute, a sound absorbing member connected with the box body is arranged inside the wind turbine, the sound absorbing member comprises a sound absorbing shell which is provided with a shell cavity, a plurality of sound absorbing through holes communicated with the shell cavity are formed in the wall of the sound absorbing shell, and the shell cavity is filled with a sound absorbing material. The device is simple in structure and good in noise reducing effect.

The invention discloses an air conditioner indoor unit and a shell used by the same. The shell comprises a shell main body, wherein the shell main body is provided with an air inlet and an air outlet. The shell is characterized in that: the shell main body is also provided with an auxiliary air port, wherein a sliding block, a first connecting rod, a second connecting rod, a third connecting rod, a driving mechanism and a movable panel are arranged at the auxiliary air port on the shell main body; the sliding block can slide relative to the shell main body under the action of the driving mechanism; the first end and the second end of the first connecting rod are respectively articulated to the shell main body and the movable panel; the first end of the second connecting rod and the first end of the third connecting rod are both articulated to the sliding block; the second end of the second connecting rod is articulated between the first end and the second end of the first connecting rod; and the second end of the third connecting rod is articulated to the movable panel. According to the indoor unit and the shell disclosed by the invention, the air intake amount of the air conditioner indoor unit can be increased, the performance of the air conditioner can be effectively enhanced, the attractive appearance of an air conditioner is not influenced and low production cost is achieved.

The invention provides an air conditioner indoor unit, an air conditioner and a control method of the air conditioner indoor unit. The air conditioner indoor unit comprises a panel (1), a shell (2), an air inlet (3), an air purification device (4) and a driving device (5). The air inlet (3) is formed in the shell (2). The air purification device (4) is arranged on the air inlet (3). The driving device (5) can drive the air purification device to move to open the air inlet (3) and meanwhile drive the panel to move to open an air inflow region covered with the panel. The air purification device comprises a first filtering part and a second filtering part. The first filtering part independently moves relative to the second filtering part. The air inflow region covered with the panel can be opened by opening the panel, the air inflow area is further increased, the air inflow flow is increased, the heat exchange efficiency is improved, and the heat exchange effect of the air conditioner indoor unit is improved without filtering.

The invention relates to the field of household appliances, in particular to an air conditioner with an air purifying function and mainly aims to solve technical problems of operation complexity and low efficiency due to requirement of filter screen replacement in switching between an air conditioning function and a purifier function of an existing air conditioner. The technical scheme mainly includes that the air conditioner with the air purifying function comprises an air inlet panel, air baffles and air purifying parts. The air inlet panel is provided with first air inlets and second air inlets; the air baffles are capable of moving relative to the air inlet panel, the first air inlets are open when the air baffle move to a first position, and thus air is enabled to enter the air conditioner through the first air inlets; the first air inlets are closed when the air baffle move to a second position, and thus air is enabled to enter the air conditioner through the second air inlets. The air purifying parts are arranged at the second air inlets and used for purifying and filtering of air flowing into the second air inlets. The air conditioner has advantages that air purification can be realized, and air loss can be reduced in realization of the air conditioning function.

The invention discloses a dehumidifier, which comprises a shell, a heat exchanger, a water collecting barrel, an air supply fan, a motor and a compressor, wherein the shell is provided with air suction inlets and air outlet; the heat exchanger consists of an evaporator and a condenser; the water collecting barrel stores the falling condensate water generated on the surface of the evaporator; the air supply fan and the motor suck indoor air into the shell and then exhaust the air into a room; the compressor compresses the air; the air suction inlets are positioned on four sides of the shell; the air outlet is positioned on the top of the shell; the heat exchanger is formed into a circle along the inner side of the periphery of the shell with the air suction inlets; and the center enclosed by the heat exchanger is provided with an axial flow fan and an axial flow motor which suck the indoor air into the shell and then exhaust the air into the room. The bent heat exchanger replaces a plate heat exchanger to increase the air inlet area. The axial flow fan ensures air flow directions of inlet air from four sides and outlet air on the upper part.

The invention provides an air conditioner wall-hanging machine and an air conditioner and an air outlet control method of the wall-hanging machine. The air conditioner wall-hanging machine comprises at least two air outlet surfaces which are not parallel to each other, air outlets are formed in the air outlet surfaces, axial flow fans are arranged at the positions of the air outlets, and air flowis blown out from the air outlets through the axial flow fans. By adopting the air conditioner wall-hanging machine, the problems of hard wind feeling, strong human body air blowing feeling, small flow rate, low heat exchange efficiency and the like are effectively overcome, the air outlet area can be increased, the rotation speed of each axial flow fan is reduced under the situation of blowing out air in the same air volume, the noise is effectively reduced, the air in larger air volume can be blown out under the same power, the air volume loss can be effectively reduced, the air volume can be increased, the air is blown out through two or more air outlet surfaces to increase the air outlet angle and the air outlet area, indoor air outlet and heat exchange are more uniform, and indoor comfort is improved.

The invention provides an air conditioner indoor unit, which comprises a volute, an air guide ring, a support, a purifying device and a control device, wherein the volute is provided with an air inlet; the air guide ring is located at the air inlet; the support is arranged on the volute and located at the air inlet; the purifying device is arranged on the support and slides relative to the support; and the control device and the purifying device are connected for controlling the position of the purifying device on the support so as to enable the purifying device to be located at the air inlet to purify the air. According to the air conditioner indoor unit, the purifying device is arranged on the support at the air inlet of the volute, the purifying device can slide relative to the support, the control device is connected with the purifying device for controlling the position of the purifying device on the support so as to enable the purifying device to be located at the air inlet to purify the air, the control device enables the purifying device to be moved away from the air inlet when the air inlet does not need to be purified, the air inlet area at the air inlet is enhanced, resistance is reduced, the air inlet amount is improved, and power and noise are reduced.

A cooling device comprises a cooling bin. The cooling bin is provided with a front end cover, a rear end cover, a material inlet, a material outlet, a cooling air inlet, a cooling air outlet and a helical mixing conveyor, wherein the helical mixing conveyor comprises a transmission shaft connecting the front end cover and the rear end cover; the transmission shaft is provided with positive helical slices and reverse helical slices; and the transfer directions of the positive helical slices and the reverse helical slices are opposite. The cooling device solves the problem that the materials are piled at the ends because the helical mixing conveyors arranged in the cooling devices in the prior art transfer the materials only towards one direction, and the problem of indirect cooling effect of the cooling air in the prior art, and can avoid the transfer efficiency from being affected because the materials are piled at the ends of the helical mixing conveyors and improve the cooling effect of the cooling air while ensuring normal transfer of the materials.

The invention relates to the field of ventilation equipment, in particular to an injection molding centrifugal fan blade for an air conditioner. The injection molding centrifugal fan blade comprises a base plate, a hub, a plurality of blade bodies and an outer ring. The outer side of the hub and the inner side of the base plate are connected into a whole. The bottom ends of the blade bodies and the base plate are connected into a whole. The outer ring and the outer side walls of the tops of the blades are connected into a whole. The hub is provided with a plurality of material saving openings. The base plate is provided with 4-10 material saving holes. Not all the blade bodies have the same central angle. The air inlet end of each blade body is provided with a plurality of tooth-shaped notches. A plurality of bumps are arranged on the backpressure face of each blade body. The inner side end of the top of each blade is provided with an arc chamfer. The injection molding centrifugal fan blade for the air conditioner has the advantages that the structure is novel, and the base plate cannot deform during injection molding; the initial unbalance of the fan blade is adjusted, so that the product weight and cost are not increased, and noise is low.

The invention relates to a centrifugal fan, and discloses a centrifugal fan, comprising a volute (5), a motor (6) and a wind wheel (1) arranged on the motor (6), the wind wheel (1) includes a base The seat (4) is connected to the wind guide vane (2), and the lower end of the wind guide vane (2) is connected to the base (4), and the upper end of the wind guide vane (2) is fixed by the rim (3). The folded edge of the volute of the present invention cooperates with the seamless connection on the centrifugal wind guide vane, and the folded edge extends into the wind wheel. When the wind wheel rotates at a high speed in the volute, the folded edge extended into the wind wheel can effectively prevent The backflow of gas in the air duct increases the air intake area, and at the same time prevents the air pressure generated by the wind wheel from reacting on the air coming in from the air inlet, offsetting part of the air intake and increasing the air volume.

The invention relates to an improved centrifugal type wind wheel as well as a volute and a turbine fan assembly. The wind wheel comprises a bottom plate, multiple blades and a stirrup, wherein the multiple blades are distributed on the bottom plate at intervals, the stirrup is connected with the multiple blades, and the multiple blades and the bottom plate form a negative pressure region; the envisaging projection shape of each blade is a right angle trapezoid, the sloping side of each blade faces to the negative pressure region, the width of the top side of each blade is less than that of the bottom side of each blade, and the connecting part of the top side and the sloping side of each blade is provided with a half-baked groove; the centrifuge wind wheel provided by the invention has the characteristics of large air quantity, small noises, low cost, high energy efficiency and the like as compared with the centrifuge wind wheel in the same specification; and the volute is provided with an edgefold stretching into the half-baked groove of the wind wheel, the volute and the edgefold are connected in a match manner so as to be capable of effectively preventing gas from flowing back to an air inlet, and increase the inlet air area effectively, and meanwhile, the air pressure generated by the wind wheel is prevented from counteraction on the incoming air from the air inlet so as to counteract part of air input. If a motor is same, the diameter and height of the wind wheel and the torsion angle of the blades are same, and an air duct system is same, the air quantity of the centrifugal type wind wheel provided by the invention can be improved by more than 20%.

The invention provides a cabinet type air conditioner indoor unit which comprises a case provided with a case air inlet and at least one case air outlet, at least one air feeding assembly arranged inthe case and provided with a centrifugal fan, an indoor heat exchanger arranged on an air inlet path between the case air inlet and the air feeding assembly, and at least one group of electric heatingpipes. The indoor heat exchanger comprises refrigerant heat exchange pipes and a fin group extending along the vertical direction and provided with multiple pipe inserting holes; and the refrigerantheat exchange pipes penetrate through part of pipe inserting holes so as to be fixedly connected with the fin group. The at least one group of electric heating pipes penetrate through the other part of pipe inserting holes so as to be fixedly connected with the fin group. According to the cabinet type air conditioner indoor unit provided by the invention, the original pipe inserting holes of the indoor heat exchanger are used for installing the electric heating pipes, so that no extra space is occupied, the air inlet area is larger, the air resistance is small, and the air feeding amount of the air feeding assembly is further improved.

The invention discloses a longitudinal-transverse cross-flow multi-rotor variable frequency combined fan, which comprises side baffles (7) and a rear baffle (6). A plurality of connected cross-flow rotors (1) are disposed between the two side baffles (7). One cross-flow rotor (1) is connected with a motor (2). The cross-flow rotors (1) are in transverse linear parallel arrangement or longitudinal parallel arrangement. The longitudinal-transverse cross-flow multi-rotor variable frequency combined fan has the advantages that the fan is in a horizontal free-extension design, the vertical thickness is ultralow, air volume is high, noise is reduced greatly, and the fan is economical, energy-saving and long in service life.

The invention discloses a range hood. The range hood comprises a shell and a panel arranged on the front side of the shell, a main air inlet is formed in the panel, and a smoke baffle capable of opening and closing the main air inlet is arranged on the panel. The range hood is characterized by further comprising a buffering device used for reducing the flow speed of cooking fumes, the buffering device comprises a first buffering net and a second buffering net, the first buffering net can be located at the upstream of the smoke baffle on the cooking fume gas flowing path, and the second buffering net can be located at the first position of the upstream of the first buffering net. By arranging the buffering device, multi-stage buffering is formed, the rising speed of the cooking fumes can beeffectively reduced, the staying time of the cooking fumes at the air inlet is prolonged, and the cooking fume suction effect of the range hood is improved; and the buffering device is located at theupstream of the smoke baffle so that the cooking fume escape at the position of the smoke baffle can be reduced, the escaping speed of the cooking fumes after the cooking fumes reach the smoke baffleis effectively reduced, then the cooking fumes are more difficult to separate from the negative pressure area of the range hood, and the control force of the range hood over the cooking fumes in thenegative pressure area is improved.

The invention discloses a wall hanging type air conditioner indoor unit. The wall hanging type air conditioner indoor unit comprises a shell, and a fan and a heat exchanger are arranged in the shell; an air inlet is formed in the back face of the shell, and an air outlet is formed in the side wall of the shell; a sliding air guide box is arranged in the air outlet; and a driving mechanism for driving the air guide box to slide in a reciprocating manner is further arranged in the shell, and is arranged in the shell. The air inlet is formed in the back face of the shell, and the air outlet is formed in the side wall of the shell, the air inlet area can be increased through large space on the back face, stereoscopic air supplying in the circumferential direction can be achieved through the air outlet in the side wall, the air supplying direction is expanded, the air outlet area and the air supplying range are increased, and the heat exchange efficiency is improved; in addition, the air supplying direction is expanded, so that under the condition of the same air quantity, the air supplying amount in a certain air supplying direction can be reduced; and under the condition that the phenomenon that air is blown to a body of a person can be inevitable, the amount of air blown to the person is reduced, and the discomfort caused by direct blowing to the human body is reduced.

The invention discloses a three-dimensional air supply protective mask which comprises a face mask jointed to the face, an air inlet and an air outlet, wherein a filtering device is arranged in the face mask; the filtering device comprises a base; an electrode and a wind wheel are arranged in the base; a support framework is arranged above the base; a filter screen and a filter screen shell are sequentially arranged on the support framework; the air inlet is arranged on the filter screen shell; the air outlet is arranged at one side of the face mask; the upper end of the face mask and the base form an air inlet channel; and the lower end of the face mask and the base form an air outlet channel. The whole mask is in a water drop shape so as to accord with the shape of the human face; the mask adopts a reverse silica gel face mask which has a good overall sealing property; and the air inlet channel and the air outlet channel are separately designed so as to ensure that inhaled air is filtered fresh air, the condition of air resorption is avoided, soft air can be obtained, and the comfort level can be increased.

The invention provides a wall-mounted air conditioner indoor unit. The indoor unit comprises a shell, a volute tongue, a structural part and a flow guide part. A first air supply outlet is mounted atthe front side of the shell. The volute tongue is arranged in the shell, and the front end of the volute tongue extends to the position close to the upper portion of the first air supply outlet. The structural part is arranged in the shell, the front end of the structural part is close to the lower portion of the first air supply outlet, so that the structural part and the volute tongue jointly define an air outlet duct, and the inner wall, close to the first air supply outlet, of the air outlet duct is in a gradual shrinking shape with the overflowing section gradually becoming smaller in theairflow direction. The flow guide part is arranged in the air outlet duct, an air outlet gap is defined by the flow guide part and the gradually-shrinking part of the air outlet duct, and the flow guide part is used for guiding airflow to the air outlet gap, so that the airflow is guided by the inner wall of the air outlet duct to be gradually blown out of the first air supply outlet towards thecenter of the airflow in a gathered manner. The wall-mounted air conditioner indoor unit is longer in air supply distance and higher in air supply capacity.

The invention provides an improved front panel for an indoor unit of a wall-hanging air conditioner, comprising a body arranged in the front of a housing. The improvement of the invention lies in that the body is made from a poromeric material or a poromeric material layer is coated on the external surface of the body, thus guaranteeing the air intake area of the air conditioner, meeting the requirements of air flow passages of the air conditioner, improving the heat exchange efficiency of the air conditioner, simultaneously being capable of leading the appearance thereof to be simple and fashionable, having low noise, and improving the environment for use.

The invention relates to an automobile air conditioner which comprises an outer shell, a base plate, an inner machine area and an outer machine area, wherein the inner machine area is used for mounting an inner machine, the outer machine area is used for mounting an outer machine and located between the outer shell and the base plate, an air inlet is formed in the outer shell, a water retaining structure is arranged at the air inlet, and an air outlet is formed in the end part, close to the outer machine, of the base plate. According to the automobile air conditioner, the air inlet is formed in the outer shell, so that the air inlet area can be increased, condensing pressure can be reduced, and cooling of an outer machine area compressor is facilitated simultaneously; besides, the water retaining structure is arranged at the air inlet of the outer shell, the rain and high pressure automobile washing water can be prevented from entering an electric box part of the outer machine area, what's more, an air outlet in the base plate is far away from the air inlet in the outer shell, so that hot air back flow cannot be caused.