54results about How to "Improve air conditioning efficiency" patented technology

Multi-unit air conditioner including an outdoor unit including a flow path control valve for controlling a flow path of refrigerant from a compressor, outdoor heat exchanger having one side in communication with the flow path control valve, a first bypass pipeline having one end connected to the first pipeline which makes the flow path control valve and the outdoor heat exchanger to be in communication, and the other end connected to the second pipeline connected to the other end of the outdoor heat exchanger, and a flow rate control valve provided on the first bypass pipeline for controlling a flow rate of the refrigerant passing through the first bypass pipeline, an indoor unit having an indoor heat exchanger and indoor electronic expansion valve installed in each of rooms, a distributor for selective distribution of the refrigerant received through one of two pipelines connected to the outdoor unit to the indoor units, and returning to the outdoor unit through the other one pipeline and controlling means for measuring a gas/liquid mixing ratio of the refrigerant introduced into the distributor, the refrigerant having joined after respectively passing through the first bypass pipeline and the outdoor heat exchanger, for controlling an opening of the flow rate control valve, to control the mixing ratio.

A plurality of human position discriminating regions each includes at least two obstacle position discriminating regions. If a determination is made that an obstacle is present in an obstacle position discriminating region belonging to or positioned in front of a human position discriminating region where a determination has been made that a person is present, a first air current control is conducted in which horizontal wind direction changing blades swing within at least one obstacle position discriminating region belonging to the human position discriminating region where the determination has been made that the person is present, or a second air current control is conducted in which the horizontal wind direction changing blades swing within at least one obstacle position discriminating region belonging to the human position discriminating region where the determination has been made that the person is present or a human position discriminating region adjacent to such human position discriminating region, and in which a time period for fixing the horizontal wind direction changing blades is provided at each end of a swing motion of the horizontal wind direction changing blades.

The invention relates to an air blowout device which is comfortable and saves energy at the same time. The device comprises has a suction inlet part, a nozzle-shaped blow outlet part, a blow outlet body which blows out air fed into the suction inlet part as supply air toward a space where air conditioning is performed from the blow outlet part, an outer packaging body which movably holds the blow outlet body so as to enable changes of a blowout direction of the supply air, an outer barrel whose base end part is configured in the periphery of the blow outlet part with a specified interval from the blow outlet part and whose front end part is configured at a more front side than the blow outlet part, an annular inducting wind path which is formed between the base end part of the outer barrel and the blow outlet body and induces air in the space S where air conditioning is performed as induced air into the outer barrel, and a mixed air blowout wind path which communicates the blow outlet part with the inducting wind path and is located at an inner part of an outer barrel part at a more front side than the blow outlet part.

The invention discloses an indoor unit of a duct air conditioner. The indoor unit comprises a shell, a cross-flow fan, a heat exchanger, sound absorbing layers, a first sound-absorbent partition, and a second sound-absorbent partition. The shell comprises a front board, a rear board, a top board, and a bottom board. The cross-flow fan, the heat exchanger, the sound absorbing layer, the first sound-absorbent partition and the second sound-absorbent partition are disposed in the shell. An air passage is formed between an air inlet and a lower return air hole. The cross-flow fan is disposed in the left air passage above the lower return air hole. The heat exchanger is disposed in the left air passage of the cross-flow fan. One sound absorbing layer is attached to the surface of the inner wall of a right top board of the cross-flow fan, and the first sound-absorbent partition is disposed on the inner wall of the top board on the upper left of the lower return air hole. The other sound absorbing layer is attached to the surface of the inner wall of a right bottom board of the cross-flow fan, and the second sound-absorbent partition is disposed on the inner wall of the bottom board adjacent to the left of the lower return air hole. The indoor unit in application has the advantages that air conditioner noise can be reduced, pressure loss of airflow in the air passage can be reduced and air conditioner efficiency can be improved.

In a system and method for controlling the movement of a movable terminal for a MiniCon through a network, a temperature in a number of partitioned indoor spaces is maintained within a set temperature range desired by a user while the terminal moves in the indoor spaces. The system is provided with at least one MiniCon which performs air-conditioning, and includes: a movable terminal which docks with the MiniCon, and which moves along a predetermined path; and a server which communicates with the movable terminal via a local area network. The server sends, to the movable terminal, a control command for performance of air-conditioning in indoor spaces along the predetermined path. Accordingly, the MiniCon is enabled to freely move into at least one of a number of indoor spaces, and to perform air-conditioning, thereby improving air-conditioning efficiency and maximizing user convenience.

Disclosed is a multi-air conditioner including: an outdoor unit having a compressor, an outdoor heat exchanger, and an outdoor fan for ventilating the outdoor heat exchanger; a plurality of indoor units each having an electronic expansion valve and an indoor heat exchanger; a distributor for selectively guiding a refrigerant of the outdoor unit into the plurality of indoor units according to an operation condition; a four-way valve for selectively switching a flow direction of the refrigerant flowing through the outdoor heat exchanger; a selective expansion unit for selectively expanding the refrigerant according to the flow direction of the refrigerant; a gas-liquid separator for separating a vapor-phase refrigerant and a liquid-phase refrigerant, from the refrigerant flowing from the outdoor heat exchanger; and a connection tube part having a first connection tube for connecting the four-way valve with a distributor, a second connection tube for connecting an upper portion of the gas-liquid separator with the distributor thereby guiding a vapor-phase refrigerant, and a third connection tube for connecting a lower portion of the gas-liquid separator with the distributor thereby guiding a liquid-phase refrigerant.

The invention discloses a system and a method applied to cascaded utilization of energy of exhaust air, an air conditioner and a heat pump water heating device. The system comprises an outdoor air conditioning device, an air source heat pump water heating unit outdoor device, an air exhausting device side static pressure box, an outdoor device side static pressure box, an energy cascaded utilization system controller, at least one variable-frequency air exhausting device and a plurality of air valves. The invention also discloses a control method of the energy cascaded utilization system. The method comprises the following steps: arranging building air outlets in air inlet areas of the outdoor air conditioning device and the air source heat pump water heating unit outdoor device; and controlling opening and closing of the air valve, forward rotation and backward rotation of a bidirectional axial flow fan of the air source heat pump water heating unit outdoor device and variable-frequency operation of the variable-frequency air exhausting devices. The system and the method are capable of simultaneously carrying out cascaded utilization of cooling/heating energy and cascaded utilization of airflow kinetic energy, enhancing air exhaust, reducing air exhaust energy consumption, eliminating the phenomena that the air exhaust is not smooth and even the natural air flows backward, recycling the cooling/heating energy in the exhaust air, improving the efficiency of the outdoor unit of the air conditioner and the heat pump water heating unit, and reducing the operation energy consumption of the system.

The invention discloses an acquiring method of operation parameters of an air conditioning device. According to the acquiring method, the indoor environment parameters detected in each time interval within a preset period are acquired, wherein the indoor environment parameters are indoor environment parameters of the environment where the air conditioning device is located; operation parameters corresponding to indoor environment parameters meeting preset environment conditions in the indoor environment parameters are obtained, and first prompt information is generated according to the operation parameters. The invention further discloses an acquiring device of the operation parameters of the air conditioning device and a storage medium. The air conditioning device adopts the operation parameters in the first prompt information to work, the indoor environment conditions can reach the indoor environment standard within a short time, and the air conditioning efficiency of the air conditioning device is improved.

The invention discloses an electric automobile air conditioner and relates to the technical field of automobile making. The electric automobile air conditioner comprises a shell, wherein one end of the shell is provided with an air inlet, and the other end of the shell is provided with an air outlet chamber. An air feeder, an evaporator and a heater are sequentially arranged in an airflow channel between the air inlet and the air outlet chamber in the shell. The air outlet chamber is provided with a face blowing air outlet, a defrosting air outlet and a foot blowing air outlet. A rotary air door is arranged in the air outlet chamber. The electric automobile air conditioner can solve the problems that an existing electric automobile air conditioner is large in size and complex in pipeline arrangement.

The invention provides an air conditioner indoor unit, a control method and an air conditioner. The air conditioner indoor unit comprises a shell and a fan. The fan is arranged in the shell and is a centrifugal fan. The shell comprises a first side face and a second side face which are oppositely arranged. The first side face and the second side face are both opposite to the axis direction of thecentrifugal fan. A first air inlet is formed in the first side face. A second air inlet is formed in the second side face. According to the air conditioner indoor unit, the control method and the airconditioner, the air inlet area is effectively increased, the air volume of the whole unit can be effectively increased, heat circulation and cold circulation of a room are accelerated, the air conditioner efficiency is improved, power consumption is reduced, and the refrigerating and heating effects of the indoor unit are improved; and the two air inlets are formed in the upper side face and thelower side face correspondingly, a function of up-down air inlet of the air conditioner can be effectively fulfilled, and the air inlet volume of the air conditioner can be remarkably increased through the two air inlets.

The invention discloses air conditioning equipment, and relates to the technical field of air conditioners. The air conditioning equipment is characterized by comprising an air conditioning indoor unit, wherein the air conditioning indoor unit comprises a shell, an air inlet and an air outlet. The air inlet is formed in the side part or the bottom of the shell. The air outlet is formed in the shell. The top of the shell is set as a desktop shape, so that the air conditioning indoor unit can serve as a desk. The invention is mainly used for providing the air conditioning equipment which can prevent the accumulation of duct in the air inlet, is better in comfort and can serve as the desk.

The invention discloses reclaimed water heat energy recycling and reusing integrated equipment suitable for villa buildings, and relates to reclaimed water recycling and reusing integrated equipment. Aiming at the problems of operational energy consumption and resource consumption of the villa buildings which adopt different devices to supply heat, refrigerate or provide domestic hot water, the invention provides two scheme, wherein the scheme one is as follows: arranging an outdoor air heat exchanger and a plate-type heat exchanger in parallel; a scroll compressor is communicated with a four-way reversing valve through a sanitarian hot water heat exchanger; the four-way reversing valve is communicated with the scroll compressor through a first gas-liquid splitter; the four-way reversing valve is communicated with the plate-type heat exchanger and the indoor air heat exchanger; the plate-type heat exchanger is communicated with the reclaimed water heat exchange coil tube of a multi-functional reclaimed water heat energy recycling and reusing water tank; the reclaimed water heat exchange coil tube of the multi-functional reclaimed water heat energy recycling and reusing water tank is communicated with the plate-type heat exchanger; a sanitarian hot water tank is communicated with the sanitarian hot water heat exchanger; and the hot water heat exchanger is communicated with the sanitarian hot water heat exchanger. The scheme two is as follows: the outdoor air heat exchanger and the plate-type heat exchanger are arranged in series. The invention is used in the villa buildings.

The invention discloses an energy-saving device of an air curtain of a gate of a building. The energy-saving device comprises the air curtain, a trench, a grille plate and a reflection plate, and the use of the device can lead the air curtain of the gate of the building to have no leakage or failure basically, thereby effectively improving the efficiency of an air conditioner in the building and saving a great amount of energy.

An air cooling and humidifying device comprises an air supply unit, a high-pressure air generator, a low-pressure air generator and an atomizer. The air supply unit comprises several air vent, a high-pressure air chamber, and a low-pressure air chamber connected with the air vents. The high-pressure air generator is connected with the high-pressure air chamber to generate high-pressure air to be sent to the high-pressure air chamber. A low-pressure air generator is connected with the low-pressure air chamber to generate low-pressure air to be sent to the low-pressure air chamber. An atomizer is connected with the high-pressure air chamber to atomize water for mixing into high-pressure air.

In a heat exchanger comprising a number of multilayered fins, and a refrigerant pipe arranged in the meandering form in the fins, and an air conditioner having the heat exchanger, each of the fins has a corrugated portion formed in an air-flow direction thereon, which has at least two wavelike portions for producing a turbulent flow of air having such strength that a temperature boundary layer of the air is broken, but resistance against to the air flow is not excessively high. Each wavelike portion may be designed to have a triangular section or a trapezoidal section, and a flat portion may be disposed between the wavelike portions.