146results about How to "Increase the air outlet area" patented technology

The invention discloses an air outlet structure of an indoor unit of a cassette-type air conditioner. The indoor unit of the cassette-type air conditioner comprises a cubical shell as outer structure of the indoor unit, a centrifugal fan arranged in the center of the shell, an evaporator arranged at the back of the centrifugal fan, a front panel arranged in the center of a front end surface of the shell, four air outlets articulated at the edge of the front end surface of the shell, electric heaters arranged inside the air outlets, and round air outlets also provided between each two air outlets. The invention has the advantages that: the round air outlet is provided between each two adjacent air outlets on the panel of the indoor unit, and is driven by a stepping motor to rotate round 90 degrees; all the air outlets are opened simultaneously during the condition of forced refrigeration, so as to increase the area of cold air discharged indoor, thereby realizing rapid refrigeration; and when needing a normal cold quantity, the air outlet in common use is opened only; and the invention can meet the various requirements of users and increase the user's satisfaction.

The invention provides a gas dispersing machine for an aerating system, which comprises a base and a gas dispersing film, wherein the base comprises a bearing disk and a gas inlet pipe, the center of the bearing disk forms a gas spraying hole and is provided with a bearing surface, and the gas inlet pipe is connected with the side opposite to the bearing surface of the bearing disk and provided with a channel communicated with the gas spraying hole; the gas dispersing film is arranged on the bearing surface of the bearing disk, the edge of the gas dispersing film is in close fit with the bearing surface of the bearing disk, the gas dispersing film comprises a gas inlet layer which is made of fiber and close to the bearing disk and a support layer which is overlapped on the gas inlet layer, and the gas inlet layer is non-woven cloth made of fiber with the diameter of between 50 nanometers and 5 micrometers and the basic weight of between 20 and 150 grams / square meter; and the gas dispersing machine has the effects of thinning gas bubbles and greatly improving the oxygen dissolving speed.

The invention provides an indoor unit of an air conditioner. The indoor unit comprises a shell, a baffle plate and an air deflector, wherein the shell is provided with an air outlet facing the front lower side; the upper end of the baffle plate is rotatably mounted on the shell, and a rotating shaft of the baffle plate is located at the upper edge of the air outlet, so that the baffle plate rotates to an opened position opening the front side of the air outlet or rotates to a closed position shielding the front side of the air outlet; and the air deflector is rotatably mounted on the shell andis configured to rotate to a first position, through which an air guide surface thereof faces upward, on the lower side of the air outlet, so as to guide a blowing air flow to the front side, the front upper side or the front lower side by the air deflector when the baffle plate is located in the opened position; and the air deflector is configured to rotate to a second position, through which the air guide surface faces forward, on the back side of the air outlet, so as to guide the blowing air flow to the lower side. The indoor unit of the air conditioner can blow cold air in a rising manner and blow hot air in a sinking manner.

The invention relates to a water seepage structure and method. The water seepage structure comprises a water seepage well and a water permeation layer, wherein the water seepage well is vertically arranged in a soil layer of the ground; the water seepage well is filled with a flow guide object; the water seepage well infiltrates received water into an underground water layer through the flow guide object; the water permeation layer is arranged on the soil layer and covers a well mouth of the water seepage well; and the water permeation layer directly infiltrates surface water into the soil layer or guides the surface water into the water seepage well. The water seepage well is arranged on the ground, so that water in a ground surface layer can be quickly infiltrated into the underground water layer to quickly recover the underground water level, the cost is low, and the efficiency is high; the water seepage well is filled with the flow guide object, so that the seepage velocity of the water can be increased by utilizing a capillary tube principle; and the water permeation layer is arranged on the surface layer of the water seepage well, so that accumulated water can be prevented from being generated on the surface of the soil layer between water seepage wells.

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 embodiment of the invention provides an air conditioner, a control method thereof, an operation control device and a storage medium. The air conditioner comprises the operation control device anda temperature detection device, wherein the temperature detection device is electrically connected with the operation control device and is configured to be used for detecting a working condition temperature parameter, feeding back the detected working condition temperature parameter to the operation control device, and triggering the operation control device to determine to switch into a breezeless mode from a current cooling or heating mode according to the acquired working condition temperature parameter or maintain the current cooling or heating mode. According to the air conditioner provided by the scheme, the temperature detection device is arranged for detecting the working condition temperature parameter, an operating mode of the air conditioner is timely adjusted according to thechange of the working condition temperature parameter, and meanwhile, the mode switching of the air conditioner is realized by control through the operation control device according to the detected working condition temperature parameter, so that compared with manual control of a user, automatic control is realized, the convenience in control is realized, and the accuracy in mode switching controlis high.

The invention provides a vertical air-conditioning device. The vertical air-conditioning device comprises a cabinet body, a main air duct, an auxiliary air duct, a diversion structure and a pluralityof axial-flow fans, wherein the cabinet body comprises a first shell and a second shell which are arranged in an opposite mode, an air inlet is formed in the first shell, and an upper air outlet and alower air outlet are formed in the second shell; the main air duct and the auxiliary air duct which communicate with each other are arranged in the cabinet body; the diversion structure is arranged at the communicating position of the main air duct and the auxiliary air duct and used for closing an air inlet of the auxiliary air duct when the vertical air-conditioning device is in a refrigerationmode and opening the air inlet of the auxiliary air duct when the vertical air-conditioning device is in a heating mode; and the axial-flow fans are horizontally arranged in the axial direction, positioned in the main air duct, correspondingly arranged with the air inlet and the upper air outlet in an opposite mode, and used for inhaling air into the cabinet body from the air inlet, discharging air after the refrigeration treatment from the upper air outlet through the main air duct or discharging the air after the heat treatment from the upper air outlet and the lower air outlet through themain air duct and the auxiliary air duct simultaneously. According to the vertical air-conditioning device, the speed of temperature regulation and the operation efficiency of the device are effectively improved.

The invention discloses an intelligent air shower and an operating method thereof. The intelligent air shower comprises a door inlet connected with the outside, a door outlet connected with a clean area, an air shower wall surface and an air shower top surface, wherein the air inlet, the air outlet, the air shower wall surface and the air shower top surface are mutually connected to form an air shower channel; an outer door is mounted at the door inlet; an inner door is mounted at the door outlet; an inner door electronic lock is mounted on the inner door; an outer door electronic lock is mounted on the outer door; an infrared probe is arranged in the air shower channel; a plurality of sprayers facing the air shower channel are arranged on the air shower wall surface; and a gas conveying mechanism for conveying clean gas into the sprayers is arranged in the air shower wall surface. When a person enters the intelligent air shower, air showering can be automatically operated; and the inner door and the outer door can be mutually locked, so that the two doors are prevented from being opened simultaneously, accordingly, polluted air cannot enter the clean area, and products in the clean area cannot be influenced.

The invention discloses a vertical hair drier. The vertical hair drier comprises a floor stand, an operation cover, a switch, an LED (light emitting diode) lamp, an air outlet device, a connection arm and a hair hanging comb. The floor stand comprises a suspension arm, a supporting column and a base, one end of the supporting column arranged vertically is connected with the base while the other end of the supporting column is connected with one end of the suspension arm arranged horizontally, the other end of the suspension arm is connected with the operation cover which is splayed, the air outlet device is arranged in the operation cover, an air outlet plate provided with air outlet holes is arranged at an opening of the operation cover, and one end of the connection arm is connected with the supporting column while the other end of the connection arm is connected with the hair hanging comb. The air outlet device comprises a power source, a control module, a temperature detection module, a fan and a resistive heater. The vertical hair drier has the advantages that owing to the floor stand connected with the operation cover, the trouble of holding the hair drier with a hand is saved; since the operation cover is splayed, the air outlet area is widened; by the aid of the hair hanging comb, hair can be scattered on the hair hanging comb, and accordingly hair heating area is widened, and drying is accelerated.

The invention discloses a cabinet air conditioner, an air conditioner and an air outlet control method of the cabinet air conditioner. The cabinet air conditioner comprises a shell and an air outlet device. An air flue is formed in the shell. The air outlet device is fixed to the shell and comprises three air outlet structures transversely arranged at intervals. The three air outlet structures communicate with the air flue, a wind tunnel is formed between air outlets of every two adjacent air outlet structures, and the wind tunnels penetrate the shell in the front and back direction. Each air outlet structure comprises an air outlet frame communicating with the air flue, wherein a shaft table is arranged on the air outlet frame. Drive motors are fixedly arranged on the shell, the shaft tables are in transmission connection with output shafts of the drive motors, and the air outlet frames are driven to rotate relative to the shell. According to the technical scheme, the air outlet volume and the air outlet mode of the cabinet air conditioner can be effectively adjusted, and the temperature of indoor air effectively and rapidly reaches the set temperature.

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 PM2.5-class purification air conditioning terminal with a special-shaped filter screen and a heat exchanger. The PM2.5-class purification air conditioning terminal with the special-shaped filter screen and the heat exchanger comprises an irregular efficient filter screen module. The irregular efficient filter screen module comprises an air inlet channel (9) and an air outlet channel. The air inlet channel (9) and the air outlet channel are provided with frame-shaped high-efficiency filters (99). The frame-shaped high-efficiency filter is an air-filtered structure (9) encircled by a plurality of plate-type high-efficiency filters with one end closed and the other end opened to face the air inlet channel. The PM2.5-class purification air conditioning terminal further comprises a heat-exchanged cooling and heating zone, a fresh air delivering, preheating and energy saving zone, an air purifying zone and an automatically water-adding and cleaning zone which respectively have functions of heat-exchange cooling and heating, fresh-air delivering, preheating and energy saving, air purifying and water filling and automatic cleaning.

The invention provides a subway vehicle air supply passage sealing device. An air supply passage comprises a first branch air passage communicating with a fresh air supply system and a first air outlet cavity communicating with the first branch air passage. A first sealing part surrounding the air supply passage is disposed at an air outlet of the first branch air passage or an air inlet of the first air outlet cavity, and a second sealing part surrounding the air supply passage is arranged at the air inlet of the first air outlet cavity or the air outlet of the first branch air passage. The first sealing part and the second sealing part are each made of a reversibly deformable elastic material. The first sealing part is provided with a convex part, the second sealing part is provided witha groove, and the convex part of the first sealing part abuts against the groove of the second sealing part so as to seal the joint of the first branch air passage and the first air outlet cavity. The invention further provides a subway vehicle air supply passage and return air supply passage. The subway vehicle air supply passage sealing device, air supply passage and return air supply passage realize a well sealing effect on the air supply passage, and the air outlet is arranged on a side top plate so as to avoid outlet wind from directly being blown to human heads and necks.

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 inside the shell; an air inlet is formed in the back face of the shell, and three air outlets are formed in the side walls of the shell; each air outlet is internally provided with a sliding air guide box; and a driving mechanism for synchronously driving the three air guide boxes to slide in a reciprocating manner is further arranged in the shell, and the driving mechanism is arranged in the shell. The air inlet is formed in the back face of the shell, and the air outlets are formed in the side walls of the shell, the air inlet area can be increased through large space on the back face, vertical air supplying in the circumferential direction can be achieved through the air outlets in the side walls, the air supplying direction is expanded, the air outlet area and the air supplying range are increased, and the heat exchange efficiency is improved; the air supplying direction is expanded, and 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 person is reduced.

The invention provides semiconductor process equipment and a cooling device thereof. The cooling device is arranged on a process chamber of the semiconductor process equipment, is used for cooling a tray in the process chamber and a to-be-processed workpiece borne on the tray, and comprises an air blowing mechanism, a flow uniformizing mechanism and a cooling mechanism; the air blowing mechanism is arranged on an upper cover of the process chamber; an air outlet of the air blowing mechanism faces the middle of the process chamber, and an air return port of the air blowing mechanism deviates from the middle of the process chamber; the flow uniformizing mechanism is arranged below the air blowing mechanism and comprises a flow uniformizing cavity connected with the air outlet; the cooling mechanism is arranged in the flow uniformizing cavity; airflow generated by the air blowing mechanism enters the flow uniformizing cavity through the air outlet and exchanges heat with the tray and theworkpiece to be processed after being cooled by the cooling mechanism, and the airflow subjected to heat exchange enters the air blowing mechanism through the air return port. According to the embodiment of the invention, the cooling efficiency of the to-be-processed workpiece is greatly improved, so that the production efficiency of coating is effectively improved, and the production takt is accelerated.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a first air guide plate and a second air guide plate. An air outlet facing the front lower portion is formed on the shell. The first air guide plate and the second air guide plate are rotationally mounted on the front side and the lower side of the air outlet so as to open and close the air outlet cooperatively. According to the configuration of the second air guide plate, the second air guide plate can rotate to the front air guide state that the second air guide plate is located on the lower side of the air outlet and the air guide face is upward, so that the air supply airflow is guided to the front portion or the front upper portion or the front lower portion; and the second air guide plate can rotate to the downward air guide state that the second air guide plate is located below the first air guide plate and the air guide face is backward, so that the air supply airflow is guided downwards. The air conditioner indoor unit can achieve cold air rising blowing and hot air sinking blowing.

The invention discloses a flow guide structure, an air outlet panel, a large air outlet frame and an air conditioner, and belongs to the field of air conditioning. The flow guide structure comprises aplurality of protrusions, and the multiple protrusions are arranged in a set arrangement mode, so that the root portions of the adjacent protrusions surround to form air outlet holes. The air outletpanel includes the flow guide structure. The air outlet panel is used as a front panel of the large air outlet frame, and the air conditioner includes the large air outlet frame. Wind flowing out through the flow guide structure is soft, air is slowly infiltrated, the air outlet effect is good, and non-wind feeling is generated. Moreover, the vortex wind is small and the noise is low, so that theair conditioner with the flow guide structure can greatly improve the effect of human comfort.

The invention relates to an indoor unit of a vertical air conditioner. The indoor unit comprises a machine shell, an air outlet, multiple air outlet micro holes and an air guide device. The air outlet is formed in the front side of the machine shell; the multiple air outlet micro holes are formed in the machine shell and are distributed in the outer side of the periphery of the air outlet; and the air guide device is arranged at the position of the air outlet and is used for opening and closing the air outlet and guiding the air outlet direction of the air outlet. By means of the indoor unit of the vertical air conditioner, the multiple air outlet micro holes are formed in the outer side of the periphery of the air outlet, after the air outlet is completely closed through the air guide device, air can also be sent out from the air outlet micro holes, and diversity of the air supply mode is enhanced. Due to the fact that the caliber of the air outlet micro holes is small, the air speed is small, and an effect similar to breezeless refrigerating can be achieved. In addition, due to the design of the air outlet micro holes, the total air outlet area of the machine shell is also increased equivalently, and the air supply effect is improved.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell, a first air guide plate and a second air guide plate, wherein the shell is provided with an air outlet facing the front lower portion; and the first air guide plate and the second air guide plate are rotatably installed on the front side of the air outlet and the lower side of the air outlet correspondingly to open and close the air outlet in a coordinating manner, and the second air guide plate is configurated in a front air guide state that the second air guide plate can be rotated to belocated on the lower side of the air outlet and make an air guide face of the second air guide plate face upwards to guide air feeding airflow to the front portion, the front upper portion or the front lower portion and in a lower air guide state that the second air guide plate can be rotated to be located on the rear side of the air outlet and make the air guide face of the second air guide plate face forwards to guide the air feeding airflow to the lower portion. By means of the air conditioner indoor unit, cold air upward blowing and hot air downward blowing can be realized.

The invention discloses an air conditioner air supply device. Multiple air outlets are formed in a front panel of an air conditioner box, air outlet devices are installed in the air outlets through bearing supports, air duct surface frames and rotating air ducts which are all of through hole structures in the axial directions are adopted for forming the air outlet devices, the rotating air ducts are embedded into inner cavities of the air duct surface frames, and are sleeved with the inner cavities of the air duct surface frames, two sides of each rotating air duct are rotatably connected withthe corresponding air duct surface frame through corresponding rotating air duct rotating shafts, and the axes of the rotating air duct rotating shafts are perpendicular to those of the air duct surface frames; the outer surfaces of the rotating air ducts and inner cavity surfaces of the air duct surface frames are all spherical surfaces, a corresponding swing blade set is arranged on the end surface of one side of each rotating air duct, the air duct surface frames and the rotating air ducts are used for forming the air outlet devices, in shapes of universal balls, which can rotate relatively, the angles and the directions of air supply openings of the rotating air ducts can be adjusted to make air flows reach assigned places under cooperation of the swing blade sets, thus personalized precise air supply is achieved, the air flows are made to reach required places, thus multidimensional dynamic air supply is achieved, the turbulivity of the indoor air flows is improved, and outlet air of the air outlet devices is made to be more similar to simulated natural air.

The invention discloses a method for heating food heating by using an airflow guide cover. The method consists of a motor, a wind wheel, a heating pipe and an airflow guide cover. The method is characterized in that the airflow guide cover consists of an upper cover and a lower cover; a wind guide ring is arranged on the lower part of the upper cover or between the upper cover and the lower cover; an airflow guide barrier is formed on the inner wall of the wide guide ring to prevent the airflow from upwards flowing by means of turning or inclining; ring-shaped hot flow wind outlets are formed, or a ring-shaped hot flow is formed by at least one of the hot flow outlets to directly heat up the food; and the airflow is provided with at least one of airflow corners from the centrifugal wind wheel to the hot flow outlets to avoid the reduction of the airflow speed, so that the heat energy sufficient use of the airflow speed exchange can be improved, the energy saving and environment protection can be achieved, the work efficiency can be improved, and the airflow guide cover is small in volume.

The invention discloses an air purification device. The air purification device comprises a machine shell, a motor, a wind wheel, an air filter net assembly and an electric control system. The motor, the wind wheel, the air filter net assembly and the electric control system are all arranged in the machine shell. The air purification device is characterized in that the machine shell comprises a first side face and a second side face corresponding to the first side face, the first side face is provided with a first air outlet, the second side face is provided with a second air outlet, the wind wheel is arranged between the first air outlet and the second air outlet, a first air flue is formed between the wind wheel and the first air outlet, and a second air flue is formed between the wind wheel and the second air outlet. According to the air purification device, due to the fact that the double air flues are formed inside and the two air outlets are oppositely formed in the two sides, air circulation is facilitated, the efficiency of the air purification device is greatly improved, and power consumption and noise are reduced; and meanwhile the two air outlets are formed in the two sides of the machine shell, accumulated dust pollution is not likely to be caused in the two air outlet flues, and therefore the cleaning and maintaining cost of products is reduced.

The invention discloses an air purification device. The air purification device comprises a machine shell, a motor, a wind wheel, an air filter net assembly and an electric control system. The motor, the wind wheel, the air filter net assembly and the electric control system are all arranged in the machine shell. The air purification device is characterized in that the machine shell comprises a first side face and a second side face corresponding to the first side face, the first side face is provided with a first air outlet, the second side face is provided with a second air outlet, the wind wheel is arranged between the first air outlet and the second air outlet, a first air flue is formed between the wind wheel and the first air outlet, and a second air flue is formed between the wind wheel and the second air outlet. According to the air purification device, due to the fact that the double air flues are formed inside and the two air outlets are oppositely formed in the two sides, air circulation is facilitated, the efficiency of the air purification device is greatly improved, and power consumption and noise are reduced; and meanwhile the two air outlets are formed in the two sides of the machine shell, accumulated dust pollution is not likely to be caused in the two air outlet flues, and therefore the cleaning and maintaining cost of products is reduced.

The invention relates to the technical field of drying and particularly relates to an airing device and a drying tank. The airing device comprises a tank body and a draught fan, wherein an accommodating cavity is formed in the tank body, at least two air inlets and at least two air outlets which are communicated with the accommodating cavity are formed in the tank body, the air inlets are communicated with an air inlet end of the draught fan, air flows into the air inlets from at least two dimensional directions and flows out of the air outlets from at least two dimensional directions. By arranging the airing device which comprises at least two air inlets and at least two air outlets, and air flows into the air inlets from at least two dimensional directions and flows out of the air outlets from at least two dimensional directions, so that air can flow in or out of the device from multiple directions; and air inlet flues and air outlet flues are not unique, the flow of gas in the accommodating cavity is accelerated, the drying efficiency is improved, and the drying efficiency is improved. According to the airing device, the problems that the flue is unique, and the air flow rate islow in the prior art are solved.

The invention provides an air inlet structure provided with double centrifugal fans and an air conditioner. The air inlet structure comprises a main air duct and the two centrifugal fans, wherein air outlets of air outlet channels of volutes of the two centrifugal fans communicate with an inlet end of the main air duct; the air outlet channels of the volutes of the two centrifugal fans gradually become parallel towards the direction of the air outlets and are in the parallel state at the air outlets; the air conditioner comprises a cabinet shell, a heat exchanger arranged in the cabinet shell and the air inlet structure, air flow in the main air duct of the air inlet structure is subjected to heat exchange by the heat exchanger and then is guided out through air outlet holes in the side wall of the cabinet wall. On the premise that the size of the air conditioner is reduced, the air conditioner has the advantages that the internal circulating air volume is increased, the heat exchange capacity is improved, and energy consumption and noise are reduced.

The invention provides an air conditioner indoor unit. The air conditioner indoor unit comprises a shell body, a baffle and an air deflector. The shell body is provided with an air outlet facing the front lower portion. The upper end of the baffle is rotationally mounted on the shell body, a rotary shaft of the baffle is located at the position of the upper edge of the air outlet, and therefore the baffle can rotate to an opening position where the front side of the air outlet is opened or rotate to a closing position where the front side of the air outlet is shielded. The air deflector is rotationally mounted on the shell body and configured to be capable of rotating to a first position which is located on the lower side of the air outlet and enables an air guide surface of the air deflector to be upward, so that when the baffle is at the opening position, air supply airflow is guided to the front portion or the front upper portion or the front lower portion through the air deflector,and the air deflector can be configured to be capable of rotating to a second position which is located below the baffle and enables the air guide surface of the air deflector to be backward, so thatthe air supply airflow is guided to the lower portion. By means of the air conditioner indoor unit, cold air is blown in a rising manner, and hot air is blown in a sinking manner.

The invention relates to the technical field of portable dust collectors, in particular to a portable dust collector with an inner air duct and an outer air duct. The handy dust collector with the inner air duct and the outer air duct is of a cylinder structure and comprises a dust collection cup and a cylinder body which are detachably connected. A dust suction port is formed in the end, away from the cylinder body, of the dust collection cup, a filtering assembly is detachably arranged in the dust collection cup, a motor and a battery assembly are detachably arranged in the cylinder body inthe airflow flowing direction in sequence, and an air outlet is formed in the end, away from the dust collection cup, of the cylinder body. The battery assembly comprises a battery support with a triangular cross section and a battery pack, and the outer air duct is formed between the battery support and the inner wall of the cylinder body. The battery pack comprises three batteries which are arranged at three vertex angles of the triangular structure of the battery support respectively, and the inner air duct is formed in the internal space of the battery pack. Due to the arrangement of the inner air outlet channel and the outer air outlet channel, the air outlet area is enlarged, the air outlet amount and the air outlet efficiency are increased, the suction force and the dust collectionefficiency of the portable dust collector are improved, the heat dissipation of the motor and the batteries is facilitated, and the service life of the device is prolonged.

The invention relates to the technical field of clothes dryers, and discloses a clothes dryer and a thread chip filtering device thereof. The thread chip filtering device comprises a first filtering frame, a flexible connecting part and a second filtering frame which are successively connected and form a box-like structure. The flexible connecting part is provided with a first air outlet. The first filtering frame, the second filtering frame and the flexible connecting part cooperate with a filtering screen so as to form a thread chip filtering cabin. According to the invention, the first filtering frame and the second filtering frame are connected through the flexible connecting part, and a box-like structure can be formed through bending the flexible connecting part, so that the device is simple in structure and convenient for installing; through the first air outlet installed on the flexible connecting part, an air outlet area is increased; since dried air is filtered effectively through the thread chip filtering cabin formed by the first filtering frame, the flexible connecting part and the second filtering frame, thread chips are effectively prevented from entering an air channel through a thread chip filter and prevented from entering a motor, and further, affecting to running of the motor is avoided.

The invention relates to the technical field of mechanical arms and discloses a mechanical arm and a grabbing method thereof. The mechanical arm comprises a mechanical arm body and a gripper mounted on the mechanical arm body. The bottom of the mechanical arm body is provided with an electric sliding rail. A moving block is slidably connected to the top of the electric sliding rail. The top of themoving block is fixedly connected with the bottom of the mechanical arm body. The top of the mechanical arm body is fixedly connected with a first supporting block and a second supporting block. Thetop of the second supporting block is slidably connected with a camera. The bottom of the camera is fixedly connected with a first sliding block. The top of the second supporting block is provided with a first arc-shaped sliding groove connected with the first sliding block in a matched mode. Through the mechanical arm and the grabbing method thereof, an article to be grabbed can be effectively grabbed to a designated location without damage, and the cooling efficiency on electrical components in a controller can be improved; meanwhile, dust can be prevented from getting into the controller, and a dust screen can be disassembled and assembled conveniently.