1599results about How to "Large air volume" patented technology

The invention discloses a cabinet air conditioner indoor unit, which comprises an appearance shell of the indoor unit, an indoor heat exchanger, a water collecting disk, an indoor air supply motor, afan, a motor bracket and a control box, wherein the appearance shell of the indoor unit consists of a front panel, a lower panel, a base, a rear cavity and a top cover; the indoor heat exchanger, thewater collecting disk, the indoor air supply motor and the fan are arranged in the appearance shell of the indoor unit; the motor bracket is used for assembling the air supply motor, and the control box controls the indoor unit to operate; the upper side of a back part is provided with a plurality of rows of air suction inlets for sucking indoor air; the front side of the air suction inlets is vertically provided with the indoor heat exchanger; the front side of the indoor heat exchanger near an air outlet flow deflector is vertically provided with two crossflow fans; and the lower sides of the two fans are provided with two motors driving the crossflow fans to rotate. The cabinet air conditioner is symmetrically provided with a set of crossflow fans and the heat exchanger left and right respectively, reduces system resistance, increases air volume, makes air flow direction vertical to the heat exchanger, makes the heat exchanger evenly exchange heat and improves the heat exchange effect.

The present invention is a particulate filter face mask with replaceable filter element, the filter element being inexpensive, easily replaceable and securely held within the mask when installed.

The invention discloses a wall-hanging type air conditioner, which comprises an indoor machine with a shell body, wherein a heat exchanger and a main air duct are formed inside the shell body; the shell body is provided with a main air inlet and a main air outlet; a main injection flow fan is formed inside the main air duct; a fisrt drainage air outlet is formed below the main air outlet on the shell body; a first drainage air duct separate from the main air duct is formed inside the shell body below the main air duct; the first drainage air duct is communicated with the first drainage air outlet; a first drainage flow fan is formed inside the first drainage air duct; the shell body is also provided with a second drainage air outlet; the second drainage air outlet is located on the outer side of the main air outlet next to an upper edge of the main air outlet; a second drainage air duct separate from the main air duct is also formed inside the shell body; the second drainage air duct is communicated with the second drainage air outlet; and a second drainage flow fan is formed inside the second drainage air duct. By adopting the wall-hanging type air conditioner provided herein, mixing ventilation can be realized on the basis that the main air duct is not changed.

Provided is an electronic apparatus capable of also supplying sufficient air flow to a heat generating device other than the heat sink. An electronic apparatus includes: a cooling unit (10) including a heat sink (13), and a cooling fan (15) for generating air flow for receiving heat of the heat sink (13); an upper wall member (40) connected to the cooling unit (10) so as to form an outer wall defining an air passage continuous with the cooling unit (10); and a power circuit (17) arranged in the air passage and serving as an object to be cooled.

The invention relates to a wall-mounted air conditioner, wherein an angular housing of the air conditioner is installed on a framework. The angular housing comprises an upper panel, a lower panel and two side panels, wherein an included angle formed through connection of the upper panel and the lower panel is between 50 DEG and 90 DEG, an air inlet hole is disposed in the upper panel, an air outlet hole is disposed in the lower panel, an air chamber is formed by the framework and a water pan, a fan is located inside the air chamber, a heat exchanger is located between the water pan and the framework, the air inlet hole is communicated with the air chamber by the heat exchanger, the air chamber is communicated with the air outlet hole, a flow guide air duct is disposed inside the angular housing, a flow guide air inlet hole of the flow guide air duct is disposed in the bottom of the lower panel, and a flow guide air outlet hole of the flow guide air duct is disposed in the lower part of the air outlet hole of the air conditioner. By the wall-mounted air conditioner provided by the invention, a circulation route of air flow from the air inlet hole to the air outlet hole is greatly reduced, acting time of the air flow at components of the air conditioner inside the housing body is reduced, noise is reduced, non-heat exchange air is introduced by the flow guide air duct to be mixed with heat exchange air in order to form mixed air, air outflow becomes more soft, and comfort is greatly enhanced.

The invention discloses a fresh air integrated type air purifier. The integral design of the air purifier and a fresh air fan is adopted. The purifier is communicated with outdoor fresh air and can be arranged in a vertical or wall-mounted mode, and an exhaust opening is not formed. An air inlet cavity is formed in the lower portion of the shell, a fresh air port and air return ports are formed in the lower portion of the shell and are communicated with the air inlet cavity, and the multiple air return ports can be included to be communicated with other rooms or space. The fresh air integrated type air purifier comprises an HEPA high efficiency filtering module, a primary efficiency filtering module and a medium-efficiency filtering module or a benzene-removing filtering module or a methanal-removing filtering module or a TVOC-removing filtering module or a bacteria-removing filtering module or a stink-removing filtering module or a combination of the medium-efficiency filtering module, the benzene-removing filtering module, the methanal-removing filtering module, the TVOC-removing filtering module, the bacteria-removing filtering module and the stink-removing filtering module. The diameter size phi of a fresh air hole or a fresh air pipe on a wall is 30-90 mm. A special centrifugal fan is adopted, and the shell is designed in a curved mode according to pressurizing and is provided with a guiding plate. According to the fresh air integrated type air purifier, the air opening pipe diameter is reduced, pipeline losses are reduced, fan power is reduced, electricity and energy are saved, silence is achieved, installation is facilitated, and use is convenient. Meanwhile, the purifying effects that PM 2.5 is removed and the index can reach the level of 0.1-0.5 micron are achieved.

The invention discloses an air capacity control method for a refrigerating compartment of a refrigerator and the refrigerator. The air capacity control method is characterized in that the refrigerator is energized for the first time; during the refrigeration of the refrigerating compartment controlled by a throttle, an electric throttle runs at a maximum angle, and a fan runs at the highest rotating speed; when an N-th refrigerating period of the refrigerator is finished, the first N-time startup ratio beta i is calculated; the angle of the electric throttle and the rotating speed working state of the fan during the next refrigeration of the compartment are determined according to the given startup ratio. The advantage of air capacity adjustability of the compartment of the refrigerator is fully utilized, so that the refrigerating quantity of the compartment of the refrigerator is effectively controlled, and the aims of uniformizing the internal temperature of the refrigerator and saving energy are achieved.

The invention discloses a bladeless fan. The bladeless fan consists of a base and an air flow jetting device which is positioned above the base, wherein an air inlet is formed on the shell of the base; the air flow jetting device has a hollow ring-shaped structure; a hollow part is a first air flow channel; and a ring-shaped second air flow channel and a ring-shaped air outlet are formed on the air flow jetting device. The bladeless fan is provided with the first air flow channel which is the same as that of the common bladeless fan, and is also provided with the second air flow channel, and air on the back side and the lateral sides of the fan can be extracted effectively, so that the fan has larger air volume and a more obvious effect.

The invention discloses an annular mobile air conditioner which comprises a compressor, an arc outdoor heat exchanger, an outdoor Sirocco fan, an arc indoor heat exchanger and an indoor turbine fan, wherein a grid-shaped transverse arc outdoor air inlet is formed along the lower half part of an annular shell; a round hole-shaped outdoor air outlet is formed at the upper side of the outdoor air inlet; a grid-shaped transverse arc indoor air inlet is formed along the upper half part of the annular shell; the top of the annular shell is provided with an indoor air inlet; and the outdoor Sirocco fan and the indoor turbine fan share the same motor. In the invention, the indoor part is changed into the mode with air inlet on the upper side and air outlet on the annular side; the turbine fan is used as the indoor fan, thus a volute is not needed, which can reduce energy loss in an air flow process, increase the air quantity and reduce the noise; the annular heat exchanger is used, thus the heat exchange area is increased; and the annular air outlet can better meet the requirements of customers in multiple directions at the same time.

The invention provides a control method of an air conditioner, a control system of the air conditioner, and the air conditioner. The control method of the air conditioner comprises the following steps: after a fan of the air conditioner operates at a default rotational speed for preset time, judging whether the working mode of the air conditioner is a refrigeration mode or a heating mode; if the working mode of the air conditioner is judged to be the refrigeration mode, judging whether a difference value between an environment temperature sensing and measuring value of an environment temperature measuring device and a preset environment temperature value is smaller than a first temperature difference value or not; when the difference value of the environment temperature sensing and measuring value and the preset environment temperature value is smaller the first temperature difference value, controlling the fan of the air conditioner to operate according to the first rotational speed, wherein a first rotational speed is greater than or equal to the default rotational speed. Through the adoption of the technical scheme, temperatures of different positions in a room are more uniform through the air conditioner in the refrigeration mode or the heating mode, so that the comfort degree of a user during using the air conditioner is improved, and the user experience is further improved.

The invention discloses a deepwater net cage feeding method based on a suction type onboard automatic feeding system. The automatic feeding system comprises a stock bin, a sucking pipe, a sealing bin, a blocking valve, an air inlet pipe, a Roots blower, an air-feed mixing and spraying device, a discharge pipe and a power device. The sucking pipe and the discharge pipe are hoses. A feed port of the blocking valve is communicated with a sealed inner cavity of the sealing bin, and a discharge port of the blocking valve is communicated with a feed port of the air-feed mixing and spraying device. An air outlet of the Roots fan is communicated with an air inlet of the air-feed mixing and spraying device, an air-feed mixing outlet of the air-feed mixing and spraying device is communicated with an inlet of the discharge pipe, and an outlet of the discharge pipe extends from a head position of a cultivation work ship. The deepwater net cage feeding method includes loading, work ship positioning and feeding. The deepwater net cage feeding method has the advantages of shortened feeding time, high feed conveying efficiency, large coverage area and capability of saving labor, increasing feed utilization ratio and cultivation efficiency.

The invention discloses an air purifier with double running modes. The air purifier comprises a shell and a controller, wherein a fresh air channel, an air return channel and a heat exchanger are arranged in the shell; the fresh air channel and the air return channel are connected with the heat exchanger respectively; an electrostatic dust remover is arranged in the fresh air channel; a first electric air valve is connected between the fresh air channel and the air return channel; a second electric air valve is arranged at an air inlet; the controller controls the first electric air valve and the second electric air valve; when the first electric air valve starts, the controller controls to stop an exhaust fan; and when the second electric air valve stars, the controller controls to operate an air feeder and the exhaust fan. The air purifier with double running modes can realize switching of an indoor air circulation purification mode and a fresh air purification mode, achieves a good air purification effect and can reduce the energy consumption of air temperature treatment.

The patent refers to the field of 'drying solid materials or objects by removing liquid therefrom'. The invention relates to a drying device, particularly relating to an energy-conserving device, and providing a high-air-volume multistage circular energy-conserving drying device utilizing wastes to heat fresh air. A drying room is composed of multi-section drying ovens; each drying oven is provided with a diaphragm; an enclosed air room with multiple air flue slits is arranged on the diaphragm, and is communicated with a heat exchanger through an air inlet main pipe, an air inlet branch pipe, an air outlet main pipe and an air outlet branch pipe; a fresh-air taking opening is connected with the heat exchanger and a heat exchanging draught fan in sequence; the outlet of the heat exchanger, the air inlet main pipe and the air inlet branch pipe are connected with each air room; the air exhaust branch pipe of the previous two-section drying oven air room with high waste gas concentration is discharged through a primary heat exchanger; other air exhaust branch pipes are connected on the air outlet branch pipe, and are connected with a secondary heat exchanger and the front end part of the heat exchanging draught fan to form circulation; the inner air volume is increased; the hot air circulates in the drying oven; the waste gas temperature is utilized to save energy source; the drying oven temperature is flexibly set, and small circulation is flexibly regulated in the drying oven; and the temperature control is uniform.

A filter assembly including a rectangular inlet frame having a rectangular inlet opening, a rectangular outlet frame, a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state, and at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state.

The present invention provides a full-seam mining retreating separately-moving full-span comprehensive mechanized coal-cutting method and its equipment. It is mainly characterized by that it adopts full-seam mining support form, utilizes crawler-type single-drum shearer to cut coal and utilizes the separate movement of coal-cutting equipment coal-conveying equipment and supporting equipment and transporting system to implement coal-cutting operation. Besides, said invention also provides the concrete steps of said mechanized coal-cutting method.

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The invention discloses an air conditioner cabinet and an air conditioner, wherein the air conditioner cabinet comprises a shell, a heat exchanger component and two air wheels; two cavities spaced left and right are formed in the shell; each cavity has an air outlet penetrating through a front panel of the shell; the two air outlets are arranged in a form of strips extending from top to bottom; an air hole communicated with the shell is formed between the two air outlets in the front-back direction; the two air wheels are correspondingly arranged in the two cavities; the heat exchanger component includes two heat exchangers correspondingly positioned in the two cavities; and the two air outlets are used for leading air, leaded into the shell by the air wheels, to the front end of the air hole to form negative pressure in the air hole so as to forwards move the air at the back end of the air hole. The air conditioner cabinet greatly increases the air outlet quantity thereof.

The invention provides an indoor unit of an air conditioner. The indoor unit comprises a case and two or more fan systems. The case is provided with one or more air outlets and one or more air inlets, and the air inlets correspond to evaporators in position. The fan systems are arranged in the case and comprise fan blades, air channels and motors. Air deflectors are respectively arranged between two or more adjacent fan blades, the air deflectors and the case form the air channels, and the air channels are communicated with the air outlets and the air inlets. The air deflectors comprise first guide portions, second guide portions and third guide portions, wherein the first guide portions, the second guide portions and the third guide portions are sequentially connected, the first guide portions and the third guide portions are respectively of a plate shape, and the longitudinal sections of the second guide portions are respectively of a pear shape. The invention further relates to the air conditioner. According to the indoor unit of the air conditioner and the air conditioner, the multiple fan systems are adopted, on the premise of meeting the requirement of the overall performance, the comfort of indoor air distribution is improved, the air outlet mode of air distribution can be controlled, the efficiency of fans is improved, and the air outlet noise is lowered.

The invention provides a volute fan combined structure which mainly solve the problem how to reduce influences of volutes of two volute fans at two ends on air outflow of a middle volute fan in an air supply device provided with the three volute fans. The structure comprises an installation plate and at least two adjacent volute fans installed on the installation plate. One of the two adjacent volute fans is provided with a middle oblique air outlet located between the two adjacent volute fans, and the middle oblique air outlet obliquely extends in the direction away from a volute of the volute fan provided with middle oblique air outlet from back to front. The second volute fan, the first volute fan and the third volute fan are arranged on the installation plate in a staggered mode so that an air outlet of the second volute fan, the first volute fan and the second volute fan can be staggered, and interference is reduced. The invention further aims at providing a vertical air conditioner.

The invention discloses a humidifying and fresh air exchange indoor unit of an air conditioner. The humidifying and fresh air exchange indoor unit comprises a cross-flow impeller air outlet duct and a cross-flow impeller air outlet duct wall. The humidifying and fresh air exchange indoor unit is characterized in that an air induction opening is formed in the cross-flow impeller air outlet duct wall; the clockwise included angle between the projection line, in a projection plane which is perpendicular to the axis of a cross-flow impeller of the indoor unit and makes an air outlet of the indoor unit be located on the lower left side, of the air induction opening and an air outlet duct wall tangent positive direction section making the point intersecting with the air outlet duct wall as an upper tangent point is larger than or equal to 15 degrees and smaller than or equal to 180 degrees; a water discharge pipe of the indoor unit is connected with an air induction pipe, and the other port of the air induction pipe is connected with the air induction opening formed in the cross-flow impeller air outlet duct wall in a penetrating mode. The humidifying and fresh air exchange indoor unit has the advantages that outdoor air is introduced, humidified and exchanged; the refrigerating capacity is recycled, so that energy is saved; the air outlet temperature and the air volume of the indoor unit are increased.

The invention provides an air conditioner which has the function of automatically cleaning an indoor unit fan and is capable of solving problems caused by dust accumulation of a fan in the prior art. The air conditioner comprises an indoor unit, an indoor unit base and a fan and is characterized in that the indoor unit base is provided with a cleaning brush for cleaning the fan and a driving motor for driving the cleaning brush, and the cleaning brush is connected with the driving motor. When the tangential fan needs cleaning, a transverse air plate is closed, a fresh air exchanging fan is started, and the air conditioner operates in an air supply mode. When cleaning brush contact with the fan, the dust on the fan is cleared by the cleaning bush operating for a certain time.

A handheld blower includes a housing, the housing including an air inlet and a duct assembly, the duct assembly including a duct, a motor and a fan mounted in the duct, a battery, a handle, and a blowpipe which defines a central axis. Along the direction of the central axis, the area of the flowing cross-section of an air passage at the rear end of the fan adjacent to the air inlet is larger than that of the flowing cross-section of an air outlet of the blowpipe, and the rate between the area of the flow cross-section of the air outlet of the blowpipe and the area of the flow cross-section of the flow-through area at the position of the fan is greater than or equal to 0.8.

The invention relates to a fresh air purifying system with an intelligent automatic control function. The fresh air purifying system comprises an air inlet device, an air outlet device, an air channel, an air filtering device, a fresh air device and an intelligent control module. The air inlet device is provided with an air inlet and an axial flow fan. The air outlet device is provided with an air outlet and a centrifugal fan. The air inlet device and the air outlet device are connected through the air channel. The air filtering device is arranged in the air channel. The fresh air device is opposite to the air inlet, and comprises a multi-purpose air opening communicating with the outside and an air regulation plate rotationally arranged in the multi-purpose air opening. The intelligent control module is configured to enable the fresh air purifying system to operate in different modes according to received air quality information. The air purifying system can be utilized for lowering noise, dissipating heat and flexibly adjusting the fresh air amount between non-fresh air and pure fresh air, optimum indoor air quality parameters are automatically achieved and maintained in real time, and meanwhile electric energy is saved.

The invention discloses a wind engine volute of Europe-type kitchen ventilator, which can adsorb wind via two surfaces. Wherein, the front and back cover plates (1, 2) are both mounted with wind inlets (11, 21); the edge of front cover plate (1) is formed by a straight line (AB), several arcs (BC, CD, DE, EF, FG, GH) and straight lines (HJ, JA); the edge of back cover plate (2) is formed by a straight line (A'B'), several arcs (B'C, C'D', D'E', E'F', F'G, G'H'), and a straight line (H'A'); the ratio between the radius of edge (FG) at the volute tongue of front cover plate (1) and the edge radius of edge (G'H') at the volute tongue of back cover plate (2) is 7.3-18.5. Compared to present technique, the invention can generate a new noise source at the volute tongue, which is reverse to other noise, to be eliminated some.

[Problem] To provide a means with which an ion wind can be satisfactorily generated even if a negative-ion / ozone generation device is miniaturized (made portable). [Solution] An ion / ozone wind generation device is provided with a plurality of electrode pairs each having a needle electrode and a counter electrode. The ion / ozone wind generation device is configured such that a difference in electric potential is generated between each of the electrode pairs to generate ions, ozone, and an ion wind as a result of corona discharge. The counter electrode in each of the electrode pairs is formed so as to be planar, and annular or spiral-shaped. The ion / ozone wind generation device is provided with: a main electrode pair, i.e. one of the electrode pairs; and a plurality of secondary electrode pairs, i.e. electrode pairs having the counter electrodes thereof positioned regularly and next to or near each other, along an outer periphery of the counter electrode of the main electrode pair, so as to surround the counter electrode of the main electrode pair. The ion / ozone wind generation device is configured such that normal vectors of planes of all the counter electrodes have substantially the same direction.

The invention discloses a heating ventilating air conditioning system. A blower (3), the core body of an evaporator (2) and a distribution case (1) are arranged on the air current channel of the heating ventilating air conditioning system and the core body of the evaporator (2) is arranged in an evaporator shell (4); a bypass gap (15) is arranged between the side surface of the core body of the evaporator (2) and the evaporator shell (4) and an evaporator bypass damper (5) which can be opened and closed is arranged on the bypass gap. When the evaporator bypass damper (5) is closed, the evaporator bypass damper can fully close the bypass gap (15). By adopting the technical scheme, the airflow passes through the bypass damper basically instead of the core body of the evaporator when the heating ventilating air conditioning system is in a ventilating mode or a heating mode, thus reducing the pressure loss of the airflow, increasing the air volume, reducing the noise and enhancing the inside driving comfort in case of the same blower power.