119results about How to "Avoid blowing to" patented technology

The invention discloses an air conditioner and a control method and device thereof. The air conditioner comprises a heat exchanging air channel and an air treatment device. The air treatment device comprises a shell and a fresh air draught fan. The fresh air draught fan is arranged in the shell. The shell is internally provided with the air treatment air channel which is isolated from the heat exchanging air channel. The shell is provided with a fresh air inlet and a head air outlet. The head air outlet is provided with a wind board. The fresh air draught fan guides the air which enters the air treatment air channel from the fresh air inlet to the head air outlet. The control method comprises the steps that when the air conditioner runs in a refrigerating pattern, the indoor environment temperature and the outdoor environment temperature are acquired; the indoor environment temperature and the outdoor environment temperature are judged; and when the indoor environment temperature is smaller than the first preset temperature and the outdoor environment temperature is larger than the second preset temperature, the indoor user situation is acquired, the wind board is controlled to rotate according to the indoor user situation so that the outlet air of the head air outlet can keep away from a user, in this way, the situation that the hot air is directly blown to the user can be avoided, and the user comfort level is improved.

The invention discloses an air conditioner and a control method and device thereof. The air conditioner comprises a heat exchange air channel and an air processing device, wherein the air processing device comprises a housing and a fresh air fan, the fresh air fan is arranged in the housing, an air processing air channel isolated from the heat exchange air channel is arranged in the housing, the housing is provided with a fresh air inlet and a main air outlet, the main air outlet is provided with an air guiding plate, and the fresh air fan guides the air entering the air processing air channelfrom the fresh air inlet towards the main air outlet. The control method comprises the steps that when the air conditioner operates in a heating mode, the situation of a user in a room is obtained ifindoor environment temperature is greater than first preset temperature, outdoor environment temperature is smaller than second preset temperature and indoor air humidity is smaller than first presethumidity, the air guiding plate is controlled to rotate according to the situation of the user in the room so as to make outlet air of the main air outlet avoid the user. Therefore, cold air can be prevented from being directly blown to the body of the user, and the comfort level of the user is improved.

The invention relates to an air conditioner indoor unit which comprises a unit shell, a heat exchange device, a draught fan assembly, a first fixing air guide plate and a second fixing air guide plate. The unit shell is provided with at least one air inlet, a lower air outlet located in the lower portion of the unit shell, a first lateral air outlet and a second lateral air outlet, wherein the first lateral air outlet and the second lateral air outlet are located in the two sides of the unit shell correspondingly and face the lateral front sides of the unit shell. The heat exchange device is arranged in the unit shell and is configured to conduct heat exchange with air flowing through the heat exchange device. The draught fan assembly is arranged in the unit shell and is configured to promote air obtained after heat exchange of the heat exchange device to flow towards the lower air outlet, the first lateral air outlet and the second lateral air outlet. The first fixing air guide plate and the second fixing air guide plate are arranged in the unit shell and are bent and extend towards the first lateral air outlet and the second lateral air outlet from the interior of the unit shell so that air flowing towards the first lateral air outlet from the draught fan assembly and air flowing towards the second lateral air outlet from the draught fan assembly can be guided. Thus, the air supply angle of the air conditioner indoor unit is increased, the air supply range of the air conditioner indoor unit is enlarged, the comfort degree of the air conditioner indoor unit is improved, and noise is lowered.

The invention relates to an air conditioner indoor unit which comprises a unit shell, a heat exchange device, a main ion wind generation device, a first lateral ion wind generation device and a second lateral ion wind generation device. The unit shell is provided with at least one air inlet, a lower air outlet located in the lower portion of the unit shell, a first lateral air outlet and a second lateral air outlet, wherein the first lateral air outlet and the second lateral air outlet are located in the two sides of the unit shell correspondingly and face the lateral front sides of the unit shell. The heat exchange device is arranged in the unit shell and is configured to conduct heat exchange with air flowing through the heat exchange device. The main ion wind generation device is arranged on a flowing path from the heat exchange device to the lower air outlet in the unit shell so that air obtained after heat exchange of the heat exchange device can be promoted to flow towards the lower air outlet through electric field force. The first lateral ion wind generation device and the second lateral ion wind generation device are arranged on a flowing path between the heat exchange device and the first lateral air outlet in the unit shell and a flowing path between the heat exchange device and the second lateral air outlet in the unit shell correspondingly so that air obtained after heat exchange device can be promoted to flow towards the first lateral air outlet and the second lateral air outlet through electric field force. Thus, the noise of the air conditioner indoor unit is lowered, and the air supply range of the air conditioner indoor unit is enlarged.

The invention provides an integral window type air conditioner which comprises an indoor panel, a case, evaporators, indoor fans, a condenser, an outdoor fan, a compressor and a chassis, wherein the indoor fans of the air conditioner refer to a left independent cross-flow fan and a right independent cross-flow fan which are vertical to the chassis in the axial direction; two independent evaporators are arranged at the inner side, opposite to the cross-flow fans, of the case and surrounding the cross-flow fans, and an air inlet space is reserved between the two independent evaporators; a guide turbine scroll is arranged around the cross-flow fans; a part, corresponding to the air inlet space, at the top of the case is provided with an air inlet, and simultaneously the two sides of the case at the indoor side are respectively provided with an air outlet; when the cross-flow fans operate, air is absorbed into the case from the top of the case; and when the air flows through the evaporators, heat exchange is carried out, and then the air is guided by the guide turbine scroll to be discharged into the indoor from the air outlets at the two sides of the case. The air inside the air conditioner is discharged from the two sides, thus the supercooled air is prevented from being directly blown to users, and the air conditioner use comfort for the users is improved.

The invention discloses an indoor unit of an air conditioner and the air conditioner. The indoor unit of the air conditioner comprises a housing, a first wind wheel, a second wind wheel, a first heatexchanger, a second heat exchanger and a controller, wherein a first air outlet and a second air outlet in the lower side of the first air outlet are formed in a panel of the housing; a first air inlet and a second air inlet are formed in positions, different from a top plate and the panel of the housing, of the housing; a first flue which communicates with the first air inlet and the first air outlet and a second flue which communicates with the second air inlet and the second air outlet are formed inside the housing; the first wind wheel is mounted in the first flue; the second wind wheel ismounted in the second flue; the first heat exchanger is mounted in the first flue and is close to the first wind wheel; the second heat exchanger is mounted in the second air flue and is close to thesecond wind wheel; and the controller is connected with the first wind wheel and the second wind wheel. The indoor unit of the air conditioner disclosed by the invention can solve the problem that comfort under a heating mode of the indoor unit of a conventional air conditioner is poor.

The invention discloses an air purifier mounted on a baby carriage. The air purifier comprises a shell, a strip through hole is formed in the left side of the shell, a fixed frame is slidingly sleevedwith the interior of the strip through hole, right-angle gaps are formed in two opposite sides of an opening position of the strip through hole, a filter plate is fixedly connected into the fixed frame, a cylinder groove is formed in the upper end of the left side of the fixed frame, a limiting mechanism is mounted in the cylinder groove, a limiting groove matched with the limiting mechanism is formed in one side of the strip through hole, an air inlet is formed in the upper end of the shell, a filter net is fixedly connected with the interior of the air inlet, fixed rods are fixedly connected to the inner walls of the left side and the right side of the shell, opposite ends of the two fixed rods are jointly and fixedly connected with a fan, and an air outlet is formed in the lower end ofthe shell. According to the air purifier, a user can conveniently change the air outlet direction of the air purifier according to the weather, direct blowing of cold air to babies can be avoided, the filter plate can be conveniently taken out for dust cleaning, and body health of the babies is facilitated.

The invention discloses die-casting forming equipment for intelligent manufacturing. A static die holder is fixedly mounted at one end of the top of a base; a movable die holder is movably mounted at the end, away from the static die holder, of the top of the base; an injection device is fixedly mounted at one end of the middle of the static die holder; a die cavity is formed in the middle of the static die holder; a smelting furnace is fixedly mounted at one end of the base; a supporting frame is fixedly installed on one side of the middle of the base; and a spray cooling mechanism is fixedly installed on the top of the supporting frame. According to the die-cast forming equipment for intelligent manufacturing, a die-cast workpiece is placed on a conveying belt, the workpiece can be conveyed backwards when a rotating shaft and the conveying belt rotate, and water in a water storage tank is sprayed to the surface of the workpiece through a spraying head in the conveying process, so that the workpiece is cooled, and the situation that the workpiece cannot be subjected to subsequent treatment by workers due to the fact that the temperature of the workpiece is too high is avoided; and water spraying can shorten the cooling time of the workpiece, so that the cooling efficiency is improved, and impurities and dust possibly attached to the surface of the workpiece can be washed away during water spraying.

The invention discloses a wind power generator. The wind power generator comprises a tower, at least one impeller part, a wind guide hood, a plurality of wind guide windows, a cap body, a first drive device, a second drive device, a wind power and wind direction measurer and a control device, wherein the at least one impeller part is arranged at the upper end of the tower, and comprises a wind blade main shaft and blades; the wind guide hood is a hollow cylinder, and the tower is vertically arranged in a cavity of the hollow cylinder; the plurality of wind guide windows are uniformly arranged on the sidewall of the wind guide hood in columns; the cap body is arranged at an opening in the upper end of the wind guide hood in a covering manner; the first drive device is used for driving the opening and closing of the plurality of wind guide windows; the second drive device is used for driving each triangular plate body to rotate by taking the axis of the triangular plate body as a circle centre; and the wind power and wind direction measurer is arranged on the cap body. The wind power generator provided by the invention is simple in structure, safe to use, convenient to maintain, and safe and reliable in performance. The invention further discloses a control method for the wind power generator. The method is capable of effectively controlling the safe running of the wind power generator, and adequately utilizing wind energy for generating power on the basis of protecting the safety of the wind power generator.

The invention relates to an air conditioner indoor unit which comprises a shell, a heat exchange device, a first centrifugal fan, a second centrifugal fan, a first axial flow fan set, a second axial flow fan set, a first ion air generation device and a second ion air generation device. The shell is provided with an air inlet, lower air outlet and two lateral air outlets, the heat exchange device is arranged in the shell and configured to exchange heat with air flowing through the shell, and the first centrifugal fan and the second centrifugal fan are arranged on the rear side of the heat exchange device and configured to promote the air after going through heat exchange by the heat exchange device to respectively flow towards the lower air outlet, the first lateral air outlet and the second lateral air outlet; the first axial flow fan set and the second axial flow fan set are arranged on flowing paths from the two centrifugal fans to the two lateral air outlets respectively and configured to promote air from the two centrifugal fans to respectively continue to flow towards the two lateral air outlets; the first ion air generation device and a second ion air generation device are respectively arranged on flowing paths from the two axial flow fan sets to the two lateral air outlets and configured to promote air from the two axial flow fan sets to respectively continue to flow towards the two lateral air outlets.

The invention provides a water-containing plate assembly and a lower air outlet machine room air conditioner. Condensed water can be effectively collected, and the condensed water in a water-containing plate assembly is prevented from being blown into the air conditioner by wind as much as possible. The water-containing plate assembly and a heat exchanger are installed on a water-containing platebody, the water-containing plate body is provided with a ventilation hole, a water discharging port and a water storage groove. The water discharging port is communicated with the water storage groove. The water storage groove is located in the outer side of an inner flanged edge and the leeward side of the lower end of the heat exchanger, the part, in contact with the water-containing plate body,of the lower end of the heat exchanger is provided with a water inlet, and a blocking structure is arranged above the water storage groove. By forming the water storage groove and the water inlet, condensed water is centralized and guided to the water storage groove, and collection of the condensed water is facilitated. The blocking structure above the water storage groove can change the airflowdirection of the lower ends of heat exchanger fins to make airflow flow towards the water storage groove, accordingly the condensed water can be driven to flow into the water storage groove, and the condensed water is prevented from being blown from the water-containing plate to the air conditioner with the airflow at the position through the ventilation hole as much as possible.

The invention provides an oil-smoke-free easy-to-clean kitchen. The oil-smoke-free easy-to-clean kitchen comprises a gas stove, a water slot, a wall-mounted cabinet, floor cabinets, a range hood and the like, wherein an upper partition, a left partition, a right partition and a pushing door are arranged on a first floor cabinet surrounding the range hood, the gas stove and the lower portion of the gas stove; the upper partition is positioned above the range hood; the pushing door is positioned among the upper partition, the left partition and the right partition; when the pushing door is closed, a first sealed space is formed among the range hood, the gas stove and the first floor cabinet; and the lower end of the left partition and the lower end of the right partition are in contact with the upper surface of the first floor cabinet. One sealed space is formed inside the kitchen through the partitions and the pushing door for isolating other places in the kitchen from a cooking bench for cooking and the range hood, and oil smoke does not spread to each part of the kitchen, so that cleanness-keeping range is greatly reduced; and an air conditioner is connected in the sealed space for cooking through an air hole, so that cooking environment can be improved, and comfort of cooking staff is improved.

The invention relates to the field of automobile tail gas purification, in particular to processing equipment for three-way catalysts for automobile tail gas, including a ball mill and a slurry tank. Add deionized water and stir to form a slurry, then extend the autocatalyst carrier into the slurry through the slurry processing device for coating, and then transport the coated carrier to the roasting device for roasting. In the present invention, a hollow carrier is sheathed on the outside of the column, and the carrier is driven by the column to immerse in the slurry. After the coating is completed, the wind force generated by the rotating micro-blades on the column will throw out the excess slurry in the channel of the carrier. It can be seen that the present invention uses centrifugal force to throw the slurry in the channel from the inside of the carrier to the outside, which can prevent the wind from blowing to the outer surface of the carrier, thereby ensuring the uniformity of the coating on the outer surface of the carrier.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises a machine shell, a heat exchange device and at least one airflow drive device set. The machine shellis provided with a least one air inlet allowing environment air to enter and at least one air outlet allowing an inner air flow to flow out, at least one air outlet is formed in the front side of themachine shell, the heat exchange device is arranged in the machine shell and is arranged to exchange heat with at least part of air flow entering the machine shell through the at least one air inlet,at least one airflow drive device set is controlled to promote at least part of air flow in the machine shell to flow towards at least one air outlet, and comprises at least one first axial flow draught fan and at least one first ionic wind generating device, and the at least one first axial flow draught fan and the at least one first ionic wind generating device are arranged at the air flow flowing path, from at least one air inlet to at least one air outlet, in the machine shell in a series connection manner. The air conditioner indoor unit is large in air speed and air amount, and small innoise.

The invention discloses a cloth bag deduster for waste gas treatment. The cloth bag deduster comprises a shell, an air inlet, an air outlet, a cover plate, a dust hopper, a cindervalve, board plug valves II, cloth bags and a tubesheet. One side of the shell is equipped with the conical bucket shaped air inlet, and the big end of the air inlet is in fixed connection with the shell; the other side of the shell is equipped with the conical bucket shaped air outlet, and the big end of the air outlet is in fixed connection with the shell; the tubesheet is disposed on one side in the shell, the airinlet is located under the tubesheet, and the air outlet is located above the tubesheet; the tubesheet is equipped with a plurality of tube holes, in which the cloth bags are disposed; the dust hopperis disposed on one side under the shell; the cindervalve is disposed on one side under the shell; the cover plate is arranged at the top of the shell on one side, and is equipped with several groupsof board plug valves II in staggered arrangement. The cloth bag deduster provided by the invention utilizes the board plug valves to achieve modularization of the inside, can realizes non-stop replacement or maintenance during replacing cloth bags only by closing corresponding board plug valves, and lowers the production loss of enterprises.

The invention discloses a space constant-temperature large-size printing platform 3D printing device. The space constant-temperature large-size printing platform 3D printing device comprises a devicerack, a heat preservation layer is arranged on the inner side of the rack, a front door is arranged on the front face of the rack, a forming space is formed by the heat preservation layer and a cavitydefined by the interior of the front door, a printing platform assembly, a spray head assembly and a hot air double-circulation space heating assembly are arranged in the forming space, the printingplatform assembly is arranged at the bottom in the forming space, an air inlet of the hot air double-circulation space heating assembly is formed in the top of the forming space, and an air outlet ofthe hot air double-circulation space heating assembly is formed under the printing platform assembly; and a hot bed of the printing platform assembly is formed by splicing a plurality of hot bed units, and each hot bed unit is provided with a horizontal adjusting assembly and a locking assembly. According to the space constant-temperature large-size printing platform 3D printing device, stress deformation of a large-size hot bed during heating can be effectively avoided, hot air blown out of the forming space is diffused all around, the whole forming space is evenly filled with the hot air, and the forming precision and the surface quality of products are effectively improved.

The invention belongs to the field of air conditioning equipment and specifically discloses a wind guiding control method of a packaged air conditioner. On the premise of basically not lowering the adjusting effect and efficiency of the indoor temperature, the wind guiding control method avoids to guide wind for a plurality of special users. According to the wind guiding control method, a biological detector detects whether a special user is indoors in real time and feeds back the position of the special user to a controller; and the controller controls each wind guiding driving device to drive a corresponding air defector group to adjust the wind guiding angle, so that the air conditioner wind is prevented from being blown to a plurality of special users while realizing multi-angle wind guiding to realize the function of preventing the wind from blowing to a plurality of persons, the special crowds can be conveniently protected, the angle of a wind guiding plate does not need to be adjusted to a single-direction position close to the limit, the air volume of the air conditioner is not basically reduced, and the adjusting effect and efficiency of the indoor temperature are ensured.

The invention provides a hand-held cleaning gun and a cleaning device. The hand-held cleaning gun comprises a casing, a motor, a water pump and a battery, wherein the water pump, the motor and the battery are arranged in the casing in sequence and in a linear manner; the battery provides electric energy for the motor; the motor drives the water pump to operate; handles on the casing are arranged above the water pump, the motor and the battery; the included angle between the longitudinal direction of the hold portion of the handles and the axial direction of the water pump and the motor is 0 to30 degrees; and the centers of gravity of the water pump, the motor and the battery are located under the hold portion of the handles. Compared with the prior art, the hand-held cleaning gun and thecleaning device rationally optimize the position layout of the handles; the motor, the water pump and the battery are arranged under the handles, and the center of gravity is kept under the hold portion, so that labor is saved more when using and the comfort of users is improved.

The invention discloses a dust collector, belongs to the technical field of household appliances and solves the problem of inconvenience in operation of a dust collector in the prior art. The technical scheme for solving the problem mainly comprises a handle assembly and a dust collecting assembly. The handle assembly includes a handle and a connecting pipe connected at the front end of the handle. A wind inlet is arranged at the front end of the connecting pipe. The dust collecting assembly is connected onto the handle assembly. The dust collecting assembly includes a dustbin, a motor and a battery. The dustbin has an air inlet and an air outlet. The motor and the battery are electrically connected. The dustbin, the motor and the battery are arranged in sequence from the back to the front. The air inlet of the dustbin communicates with the rear end of the connecting pipe. The dustbin is located behind the connecting pipe. A wind outlet communicating with the air outlet is arranged inthe front end of the dust collecting assembly. The wind outlet is located in front of the motor. The dust collector in the invention not only reduces the holding force of an arm holding the handle tomake the user's operation more flexible and effortless, but also facilitates the heat dissipation of the motor.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises a case, a heat exchanging device and a fan assembly. The heat exchanging device of the air conditioner indoor unit is arranged in the case to conduct heat exchanging with air flowing through the heat exchanging device. The heat exchanging device is provided with a plurality of rows of refrigerant pipeline sets arranged in the forward-backward direction of the air conditioner indoor unit, and each row of the refrigerant pipeline sets is formed by bending superposition in an S shape of the refrigerant pipelines in the vertical direction of the air conditioner indoor set. The heat exchanging device is provided with the multiple rows of the refrigerant pipeline sets formed by bending superposition in the S shape, so that the flowing path of a refrigerant is prolonged, and the heat exchanging efficiency and energy efficiency ratio of the heat exchanging device are improved.

The invention relates to the field of automobile tail gas purification, in particular to a device for preparing slurry for automobile catalysts, comprising a slurry tank, one side of the slurry tank is provided with a bracket that can move up and down, and the bracket is equipped with a The support moves up and down and can extend into the column in the slurry tank, the column can be sleeved with an automobile catalyst carrier, and a motor that drives the column to rotate is installed on the support. In the present invention, a hollow carrier is sheathed on the outside of the column, and the carrier is driven by the column to immerse in the slurry. After the coating is completed, the wind force generated by the rotating micro-blades on the column will throw out the excess slurry in the channel of the carrier. It can be seen that the present invention uses centrifugal force to throw the slurry in the channel from the inside of the carrier to the outside, which can prevent the wind from blowing to the outer surface of the carrier, thereby ensuring the uniformity of the coating on the outer surface of the carrier.

The invention discloses a mechanical casting pouring system. A second electric sliding rail is installed in the middle of the top end of a workbench; a sliding block is slidably connected to the outerend of the second electric sliding rail; a containing barrel is rotatably connected to the top end of the sliding block; a lower die is placed in the containing barrel; an upper die is connected to the top end of the lower die in a clamped mode; a pouring hole is formed in the middle of the top end of the upper die; and a pouring mechanism is clamped inside the pouring hole. The mechanical casting pouring system provided by the invention is scientific and reasonable in structure and safe and convenient to use; a pouring mechanism is arranged, and when a conveying pipe is slowly pulled out through the pouring mechanism and a scraper blade, a solution left on the outer surface of the conveying pipe can be conveniently scraped into the dies again, so that pouring liquid is prevented from flowing out; and in addition, the pouring liquid flowing out of the side of a threaded guide piece can be conveniently collected and guided through a collecting barrel, so that the pouring liquid slowlyflows into the dies through the collecting barrel, and large fluctuation of the pouring liquid in the dies is avoided.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises a machine case, a heat exchanging device, a draught fan assembly, a first ion wind generating deviceand a second ion wind generating device, wherein the machine case is provided with an air inlet located in the upper portion of the machine case, a first lateral air outlet and a second lateral air outlet, and the first lateral air outlet and the second lateral air outlet are located in the two sides of the machine case correspondingly and face the lateral front portion of the machine case; the heat exchanging device is arranged in the machine case and is arranged to exchange heat with air flowing through the heat exchanging device; the draught fan assembly is arranged on the front side of theheat exchanging device, and is arranged to promote air exchanging heat through the heat exchanging device to flow towards the first lateral air outlet and the second lateral air outlet correspondingly; and the first ion wind generating device and the second ion wind generating device are arranged on the flowing paths from the draught fan assembly to the first lateral air outlet and from the draught fan assembly to the second lateral air outlet correspondingly in the machine case, and are arranged to promote the air exchanging heat through the heat exchanging device to flow towards the first lateral air outlet and the second lateral air outlet correspondingly through an air duct of the draught fan assembly. The air conditioner indoor unit is large in wind feeding range, low in noise and small in occupied space.

The invention discloses an initial air outlet mode control device of a vehicle-mounted air conditioner, which comprises an air blower, a common air duct, a defrosting air duct, a blowing surface air duct and a blowing foot air duct, wherein the common air duct is respectively connected with the defrosting air duct, the blowing surface air duct and the blowing foot air duct, the air blower is connected with the air inlet of the common air duct, the initial air outlet mode control device comprises a first air door and a second air door, which are used for controlling the closing of the defrosting air duct, the blowing surface air duct and the blowing foot air duct, and the first air door and the second air door are connected with the lower layer of the common air duct through a bearing, andthe bearing is connected with an output shaft of the automobile motor. According to the invention, the overheated or too cold initial air outlet of the automobile air conditioner can be prevented frombeing directly blown to drivers and passengers, meanwhile, after proper time delay, the air temperature in the air duct tends to be stable, the air door is controlled to rotate, the defrosting mode and the foot blowing mode are closed, and the surface blowing mode is opened, and the comfort of the automobile air conditioning system is improved.

The invention provides an indoor air-conditioning unit capable of switching an air inlet and an air outlet as well as an air conditioner. The indoor air-conditioning unit comprises a housing, whereina cavity is formed inside the housing; a fan blade and a heat exchanger are arranged in the cavity; the cavity inside the housing is divided by the heat exchanger into an air inlet cavity and an air outlet cavity; the fan blade is arranged in the air inlet cavity; a first air vent and a second air vent are arranged on the housing; a reversing structure is arranged in the cavity, is movably arranged at a position close to the first air vent and the second air vent, and is capable of changing the flow direction of airflow in the cavity; through the reversing structure, the first air vent can communicate with the air inlet cavity and serve as the air inlet, and the second air vent can communicate with the air outlet cavity and serve as the air outlet; or, the first air vent can communicate with the air outlet cavity and serve as the air outlet, and the second air vent can communicate with the air inlet cavity and serve as the air inlet; and accordingly, the air inlet and the air outlet can be switched. According to the indoor air-conditioning unit capable of switching the air inlet and the air outlet as well as the air conditioner, the cold and hot air up-and-down effect can be sufficiently utilized, the energy consumption can be reduced, and the comfort can be improved.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises a unit shell, a heat exchanging device, a fan assembly, an ionic wind generating device, the unit shell is provided with a first wind inlet, a second wind inlet, a lower wind outlet, a first side direction wind outlet and a second side direction wind outlet, the first wind inlet and the second wind inlet are located in the upper portion of the unit shell and are arranged sequentially form back to front, the lower wind outlet is located in the lower portion of the unit shell, and the first side direction wind outlet and the second side direction wind outlet are correspondingly located in the two sides of the unit shell; the heat exchanging device is arranged in the unit shell and configured toconduct heat exchanging with air flowing through the heat exchanging device, and the fan assembly is arranged on the front side of the heat exchanging device and is configured to promote natural airentering from the second wind inlet to flow towards the heat exchanging device and promote heat exchanging air after being subjected to heat exchanging through the heat exchanging device to flow towards the lower wind outlet, the first side direction wind outlet and the second side direction wind outlet; and the ionic wind generating device is arranged on the rear side of the heat exchanging device and is configured to promote the natural air entering from the first wind inlet to directly flow towards the lower wind outlet by electric field force through the ionic wind generating device, so that the natural air and part of the heat exchanging air after being subjected to heat exchanging through the heat exchanging device are mixed at the lower wind outlet.

The invention discloses a baby carriage with cold-proof and heat preservation functions, and belongs to the technical field of baby products, the baby carriage comprises a mattress, a base, a sleeping basket, a milk bottle heat preservation device, a heating device and a control device, the mattress is arranged at the bottom of the sleeping basket, a temperature detection device is mounted on the mattress, and the heating device is arranged at the bottom of the sleeping basket and below the mattress; the control device is arranged in a base of the baby carriage and used for controlling the temperature of a sleeping basket of the baby carriage within a certain range, the milk bottle heat preservation device is fixed to the sleeping basket, and the sleeping basket is fixedly connected to the top end of the base. When the outdoor temperature is low, the heating device operates and enables the temperature of the bottom of the sleeping basket to rise, the temperature is transmitted to the mattress, and therefore the warm-keeping and cold-proof effects are achieved, when the temperature of the mattress rises, the effect of heat preservation of the feeding bottle is achieved, a baby can be conveniently fed, and the situation that the temperature is low in weather is prevented. The baby carriage can prevent cold, preserve heat, and is safe and reliable. The baby carriage can prevent cold and preserve heat when a baby sleeps and cannot be heated in time outdoors.

The invention discloses a heat radiation device for an LED automobile lens. The problems that an existing heat radiation structure is low in heat radiation efficiency and poor in heat radiation effect are mainly solved. The heat radiation device comprises a cooling fan (1), a support (2) and cooling fins (3). The cooling fan (1) is located at the tail of the support (2), and the cooling fins (3) are arranged on the support (2). Airflow formed by the cooling fins (3) is horizontally blown to the support (2). The upper surface or the lower surface or the upper surface and the lower surface of the support (2) are used for allowing LED chips and reflecting cups to be mounted. The cooling fins (3) comprise one or more fin bodies and are arranged on the upper surface or the lower surface or the upper surface and the lower surface of the support (2). The fin bodies of the cooling fins (3) are bent towards the left side and the right side in an arc shape in the direction of the airflow formed by the fan (1). The heat radiation device is high in heat radiation efficiency and good in heat radiation effect, dust is prevented from being blown to a lens body of the LED automobile lens at the front end of the support through the airflow, and the transmissivity of the lens body is guaranteed.

The invention relates to the technical field of intelligent air conditioners, and discloses a method for controlling defrosting of an air conditioner. An indoor unit of the air conditioner comprises an indoor air outlet, an outdoor air outlet and an indoor fan, the indoor air outlet is provided with an air deflector, and the method comprises the steps that the operation state of the air conditioner is obtained; and when the operation state of the air conditioner is a defrosting state, the air deflector is controlled to close the indoor air outlet, and the indoor fan is controlled to blow out indoor airflow from the outdoor air outlet. The indoor unit of the air conditioner is provided with the indoor air outlet and the outdoor air outlet, the air deflector is controlled to be closed and the indoor fan is controlled to blow out the indoor airflow from the outdoor air outlet when the air conditioner is in the defrosting state, cold air can be prevented from being blown into a room, the indoor temperature fluctuation is prevented from being too large, and the user experience is improved. The invention further discloses a device for controlling defrosting of the air conditioner and the air conditioner.