143results about How to "Increase air speed" patented technology

The invention discloses an air conditioner with a rotating air outlet structure. The air conditioner comprises an air conditioner shell, wherein an internal air way of the air conditioner is defined by the shell; an air outlet is formed in the shell; the rotating air outlet structure is arranged in the internal air way, and comprises a first annular air guide body and a rotating driving mechanism; the first annular air guide body is provided with a front opening, a back opening and a hollow cavity positioned between the front opening and the back opening; and the rotating driving mechanism is in driven connection with the first annular air guide body for driving the first annular air guide body to rotate in the peripheral direction. As the rotating air outlet structure is arranged in the air conditioner, the peripheral air outlet of the air conditioner is realized, the air blowing range is widened, and the air blowing speed is accelerated.

The invention relates to an air conditioner indoor unit. The air conditioner indoor unit comprises ion wind generating devices and purifying devices. The ion wind generating devices are arranged on flowing paths, from a fan assembly to air outlets, in a unit shell, and air subjected to heat exchange through a heat exchange device is promoted by electric field force to flow to the air outlets through an air duct of the fan assembly. Each purifying device is arranged on the flowing path from the corresponding ion wind generating device to the corresponding air outlet and used for removing nitric oxide and ozone in air. The purifying devices are arranged outside the corresponding ion wind generating devices. Since high-voltage discharging devices are arranged inside the ion wind generating devices, a certain amount of harmful gas, mainly O3 and NO2, is generated in the working process of the ion wind generating devices, and in order to prevent the harmful gas from affecting physical health of users after being exhausted from the air conditioner indoor unit, the purifying devices are arranged outside the corresponding ion wind generating devices to remove the harmful gas and improve the air cleanliness.

The invention discloses an air supply device for a vertical air conditioner. The air supply device comprises at least two annular air guide elements which are through in the middle and provided with front and rear openings. Each of the annular air guide elements is a single part, the rear openings of the annular air guide elements are air inlets, and the front openings are air outlets. A plurality of the annular air guide elements are arranged front and back successively, middles of the annular air guide elements form a through air channel, and an annular heat exchange air channel is formed between every two adjacent annular air guide elements. The annular air guide element at the front end comprises a front section and a rear section, the front section close to the air outlet of the annular air guide element at the front end is an outward expanded mixed air flow guide portion, and the rear section close to the air outlet of the annular air guide element at the front end is a heat exchange air flow guide portion. By applying the air supply device in the air conditioner, the structure of each annular air guide element is controlled flexibly conveniently according to air supply requirements, the annular air guide elements different in structures are manufactured conveniently, and the evenness and the speed of supply air can be improved.

The invention discloses a turbo type vertical shaft windmill, belonging to the field of wind energy utilization. The invention is characterized in that the windmill comprises a wind collector soleplate, a wind collector top slab, a left wind collecting plate, a right wind collecting plate, a volute case, an upper blade hoop, a lower blade hoop, a blade, a blade inner barrel, a shaft, a wind collector bearing, a tail fin of the left wind collecting plate, a guide plate of the right wind collecting plate, a right ventilation inlet, an air outlet of the wind collector, a guide lever, a guide lever bracket, a vertical guiding tail fin and a transverse tail fin. The shaft of the blade is arranged vertically; the wind collector soleplate, the wind collector top slab, the left wind collecting plate, the right wind collecting plate and the volute case form a wind collector; the volute case, the tail fin of the left wind collecting plate and the guide plate of the right wind collecting plate form a wind guiding device; the guide lever, the vertical guiding tail fin and the transverse tail fin form a wind mechanism. The invention has the advantages that the air current flows into the blade along the left wind collecting plate and the right wind collecting plate, and has the characteristics of good wind collecting performance, high utilization coefficient of the wind energy, and low starting wind speed.

A system for ventilating an aircraft cabin includes an air supply pipe connected to an air source, and a plurality of air distribution lines branching off from the air supply pipe. In a first operating state, the ventilating system is adapted to blow out the air, flowing through the air supply pipe, directly from the air distribution lines into the aircraft cabin. In contrast, in a second operating state of the ventilating system, at least some of the air distribution lines are connected to connecting lines which supply the air, flowing through the air supply pipe, to air outlets arranged in a distributed manner in the aircraft cabin.

The invention provides an intelligent traffic control cabinet. Work parameters of peripheral devices of the intelligent traffic control cabinet are processed through an intelligent controller, when work parameters of the peripheral devices are abnormal, power input switches of the peripheral devices of the intelligent traffic control cabinet are controlled to receive motion instructions sent by the intelligent controller, and the motion instructions are executed so that the corresponding switches are switched off and then switched on to achieve reset. By means of the intelligent controller arranged in the traffic control cabinet, automatic reset of the peripheral devices is achieved when the peripheral devices break down, faults of quite a part of the peripheral devices are automatically eliminated, unnecessary on-site maintenance is greatly reduced, meanwhile, it is guaranteed that the peripheral devices can work again in time, labor cost and material cost of the intelligent traffic control cabinet are reduced, and the control cabinet is particularly suitable for occasions where on-site maintenance is not convenient to achieve.

The invention relates to an indoor unit of an air conditioner. The indoor unit comprises ion wind generating devices and purifying devices. Each ion wind generating device is arranged on a flow path from a fan assembly to an air outlet in a machine shell, and air subjected to heat exchange through a heat exchange device is promoted by an electric field force to flow towards the air outlet through an air duct of the fan assembly. Each purifying device is arranged on a flow path from each ion wind generating device to the corresponding air outlet and is configured to remove ozone in the air. The purifying devices of the indoor unit are arranged at the outer sides of the ion wind generating devices. High-voltage discharging devices are arranged inside the ion wind generating devices, so that a certain amount of harmful gases mainly comprising O3 can be generated in the working processes of the ion wind generating devices. In order to avoid the phenomenon that the O3 gases are discharged from the indoor unit of the air conditioner to affect the body health of a user, the outer side of each ion wind generating device is provided with one of the purifying devices, so that the harmful gases are removed, and meanwhile, the air cleanliness is improved.

The invention discloses an extractor hood. The extractor hood comprises an exhaust fume collecting hood and an exhaust fume guide plate assembly, an exhaust fume collecting cavity is formed in the exhaust fume collecting hood, the exhaust fume collecting hood is open at the bottom of the exhaust fume collecting cavity, the exhaust fume guide plate assembly comprises an exhaust fume guide plate andtwo baffles, one baffle is at least partially located on the left side of the exhaust fume guide plate, and the other baffle is at least partially located on the right side of the exhaust fume guideplate; the extractor hood is characterized in that the exhaust fume guide plate can be located at a first position, the exhaust fume guide plate is located in the middle of the bottom of the exhaust fume collecting cavity at the moment and can also be located at a second position, and the exhaust fume guide plate is located below the exhaust fume collecting cavity at the moment; each baffle can belocated at a third position, and at the moment, the baffles extend to the middle of the upper surface of the exhaust fume guide plate from the left side or the right side of the bottom of the exhaustfume collecting hood; and each baffle can be located at a fourth position, and at the moment, the baffles are turned over to be separated from the exhaust fume guide plate. The invention further discloses a control method of the extractor hood.

The invention discloses a small-hole high-frequency noise eliminator. The small-hole high-frequency noise eliminator comprises a housing, wherein one end of the housing is connected with an air inlet pipe; the other end of the housing is connected with an air outlet pipe; a vertical partition plate is arranged in the housing and is used for dividing the inside of the housing into a left cavity and a right cavity; small holes are uniformly distributed on the partition plate; the total area of the small holes is greater than the section area of the air inlet pipe; flow guide plates are arranged in the right cavity; the flow guide plates are radially staggered in the right cavity, so that an S-shaped flow channel is formed in the right cavity; noise elimination layers are arranged on the flow guide plates. The invention aims to provide a small-hole high-frequency noise eliminator, thereby improving the noise elimination effect by using the theory of the small-hole noise eliminator.

An air conditioner includes, on a downstream side of a condenser 1, a mixing chamber to which a warm air path 4 and a bypass path 5 are connected and in which downstream sides of the warm air path 4 and the bypass path 5 merge together to mix flows of air coming therethrough, and a blowout path 7 connected to the mixing chamber 6. At a position where air speed of warm air having passed through a heat exchanger 2 is fast, an auxiliary heater 3 is provided through which a portion of the warm air passes, and is disposed in series with the heat exchanger 2. Another portion of the warm air passes through an area where the air speed of the warm air is slow thereby to bypass the auxiliary heater 3. Therefore, auxiliary heating can be made sufficiently by the auxiliary heater 3. Furthermore, another portion of the warm air passes through the area where the air speed is slow thereby to bypass the auxiliary heater 3, which suppresses a flow resistance of the warm air passing through the warm air path 4, thereby securing the volume of the warm air.

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.

A hair dryer includes a main body and an outlet unit. The outlet unit is provided therein with an air-guiding member, which can convert a linearly ongoing air current into a rotationally ongoing air current. Furthermore, the outlet define a plurality of air holes, through which outside air can be drawn into the outlet unit to mix with the air current flowing out of the exit of the main body, so as to increase air speed, uniformity and penetration and to reduce noise.

The invention relates to a fuel gas low-nitrogen burner. The fuel gas low-nitrogen burner comprises a cylinder body, a fuel gas supply device, an ignition device and a swirl plate. The cylinder body is a hollow cylinder body. The rear end of the cylinder body is an air inlet. The front end of the cylinder body is an air outlet. The fuel gas supply device comprises a central fuel gas main pipe anda central fuel gas branch pipe. The central fuel gas main pipe is arranged in an inner cavity of the cylinder body and extends in the central axis direction of the cylinder body. The fuel gas low-nitrogen burner overcomes the defects that an auxiliary burning pipe (primary fuel spray gun and secondary fuel spray gun) of an existing burner is directly led out from an external fuel supply device, sothat the fluctuation of flow parameters of different burning regions can be easily large, and the effect of reducing the nitrogen oxide generation amount is influenced. The flow parameter fluctuationof different burning regions is greatly reduced through the specially designed central fuel gas branch pipe. The fuel gas low-nitrogen burner has the advantages of being simple in structure and capable of effectively reducing the nitrogen oxide generation amount.

The invention provides an air conditioner. The air conditioner comprises a shell (1) provided with a bottom first air opening (2) and a top second air opening (3), a first fan (4) and a second fan (5)are arranged in the shell (1) and are arranged at the positions of the first air air opening (2) and the second air opening (3) respectively, and the second fan (5) can change the flowing direction of air flow. The air conditioner is capable of blowing air softly, cooling and heating rapidly and improving air blowing comfort.

The invention provides building fire disaster escaping equipment. The building fire disaster escaping equipment comprises safety chambers, a main air supply pipe is arranged from the first floor of abuilding to the highest floor of the building, and a plurality of branch air supply pipes communicate with the main air supply pipe, the branch air supply pipes enter the safety chambers of all floors, and an air inlet in the bottom of the main air supply pipe is connected with an air compressor in an air compression room arranged on one side of the building. The ends, stretching into the safety chambers, of the branch air supply pipes are provided with air supply valves. Doors of the safety chambers are fireproof doors, and a one-way exhaust hole communicating with the outside is formed in the upper portion of each safety chamber. A spraying device is arranged on the top of each safety chamber and connected with a water flow indicator and is connected to an indoor fire hydrant. Each waterflow indicator is connected with a fire disaster alarm controller, and each fire disaster alarm controller is electrically connected with an air supply motor in the air compression room. When the fire disaster happens, people can directly enter the safety chambers, can survive for a period of time without escaping the building and are finally rescued.

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 discloses a mine air return port supercharging device and a using method thereof, and belongs to the field of mines. The mine air return port supercharging device comprises an air return pipe, a box body and a heat exchanger, wherein the air return pipe is fixedly connected with the box body, the heat exchanger is fixedly connected to the box body, a turbine box is fixedly connected to the air return pipe, the turbine box is connected with the heat exchanger, turbine blades are rotationally connected to the turbine box, a filter plate is fixedly connected to the box body, a screw rod is rotationally connected to the box body, and a dust removal plate is connected to a reciprocating sliding groove in a sliding mode. The mine air return port supercharging device is simple to use and convenient to operate, waste heat in wind power in an air return port is heated and utilized, so that the heating temperature of water is increased, and the utilization efficiency is improved; and meanwhile, dust in the air discharged from the air return port is filtered and collected, so that the damage of the dust to the body of a worker is reduced, meanwhile, the service life of the filter plate is prolonged, the labor intensity of manual cleaning is reduced, and the filtering efficiency is improved.