Abstract: Disclosed herein are an air conditioner, a control device thereof, and a method of controlling the same. The air conditioner includes a control device including a plurality of indoor unit operation changers, and an indoor unit connected to any one of the plurality of indoor unit operation changers, wherein at least one of the indoor unit and the control device determines an operation mode of each of the plurality of indoor unit operation changers respectively connected to a plurality of indoor units, detects an indoor unit operation changer at an operation mode corresponding to an operation of any one of the plurality of indoor units among the plurality of indoor unit operation changers, and determines an indoor unit operation changer connected to the indoor unit among the plurality of indoor unit operation changers on based on a result of detecting at least one of the indoor unit operation changers.

Abstract: An air conditioner according to an aspect of the present invention includes a housing arranged to be mounted on or embedded in a ceiling, a cover panel coupled to a lower portion of the housing, the cover panel including an inlet and an outlet, a blower fan configured to draw in air into the housing through the inlet and discharge air out of the housing through the outlet and a blade configured to open and close the outlet, the blade including a plurality of through holes to control the air discharged out of the housing through the outlet while the blade closes the outlet. With this structure, the air conditioner can discharge air in various ways by varying the wind direction, the wind speed, and the air amount of the discharged air.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner includes a housing provided with a suction port and a discharge port elongated in one direction on the lateral side of the suction port, a main flow path configured to connect the suction port to the discharge port, a main fan provided in the main flow path to suck air via the suction port and to discharge the air via the discharge port, an auxiliary fan configured to suck the air around the discharge port to regulate the direction of the air which is discharged via the discharge port and an auxiliary flow path configured to guide the air sucked by the auxiliary fan. According to the air conditioner, it is possible to control the direction of the discharge airflow without a blade structure, increase the discharge amount, reduce the flow noise, and differentiate the design.

Abstract: An air conditioner and a method for controlling the same are disclosed. The air conditioner is able to operate in an efficient cooling cycle while simultaneously guaranteeing superior cooling performance in a low-temperature operation region. In the air conditioner, an airflow directing apparatus, which is installed in an outdoor unit, suppresses not only natural convection of the air, but also heat exchange between the condenser and outdoor air by the blowing fan, such that the air conditioner forms a normal cooling cycle by guaranteeing condenser pressure. The air conditioner guarantees cooling performance of a low-temperature operation region by adjusting the amount of outdoor air flowing through blade control of the airflow directing apparatus, and operates in an efficient cooling cycle, resulting in acquisition of compressor reliability.

Abstract: An outdoor unit of an air conditioner includes a cabinet including a first plate and a second plate, a blower disposed inside the cabinet, and a blower cover covering the blower and an upper side of the cabinet. The first plate includes a contact area in contact with the blower cover in an outward direction of the cabinet, and the second plate includes a first non-contact area that is not in contact with the blower cover in the outward direction of the cabinet. The blower cover is disposed on one of four plates of the cabinet to reduce the noise generated due to the vibration of the cabinet by reducing the vibration transmitted from the blower cover to the cabinet.

Abstract: Disclosed herein is an air conditioner in which flow noise of a refrigerant is reduced. An air conditioner includes a compressor configured to compress a refrigerant, an outdoor heat exchanger in which the refrigerant exchanges heat with outside air, an expansion device configured to expand the refrigerant, an indoor heat exchanger in which the refrigerant exchanges heat with indoor air, and a muffler configured to reduce flow noise of the refrigerant flowing into the indoor heat exchanger, wherein the muffler includes a shell including a refrigerant inlet and a refrigerant outlet, a first baffle disposed at one side of an inner part of the shell and including a plurality of first holes, a plurality of pipes inserted into the plurality of first holes and serving as passages through which the refrigerant moves, and a second baffle disposed at the other side of the inner part of the shell and including a plurality of second holes through which the refrigerant passing through the pipe passes.

Abstract: An air cleaner, which allows air to flow smoothly, has increased strength, and reduces noise generated when a blower fan rotates. The air cleaner includes a main body including an inlet and an outlet, a blower fan provided inside of the main body, and configured to induce air from outside of the main body to be suctioned into the inlet and to be discharged to the outlet, a motor configured to drive the blower fan, and a fan guard to which the motor is fixed, and configured to guide air suctioned into the inlet to the blower fan, where the fan guard is provided to include a plurality of bent cross sections arranged in a radial direction at different distances from the motor.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner includes a main body, a blower fan disposed in the main body, a discharge panel including a main outlet configured to discharge air discharged from the blower fan and a plurality of fine outlets provided near the main outlet, an opening and closing member configured to move in forward and backward directions and open and close the main outlet, and a lighting apparatus disposed on a back surface of the opening and closing member and configured to emit light to a back side thereof. Since an area illuminated by the lighting apparatus is changed according to a position of the opening and closing member, a user intuitively identifies an operational state of the air conditioner.

Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Abstract: Disclosed are provided indoor unit of an air conditioner. A present invention is to provide an indoor unit of an air conditioner having an improved structure for preventing vibrations and noise of a blade due to vibrations of a motor when the blade rotates, and a blade unit applied to the indoor unit. The indoor unit of the air conditioner includes a main body including an outlet, and a blade unit configured to adjust a direction in which air discharged from the outlet is discharged, wherein the blade unit comprises, a blade coupled with the main body to be rotatable in the outlet, a motor including a rotation transfer member, and configured to generate a rotatory force that is transferred to the blade; and a buffer member made of a material having a restoring force, coupled with the blade at one end, and surrounding a part of the rotation transfer member.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner and a control method thereof perform cooling through an outlet if room temperature or room humidity is high to reduce the room temperature or the room humidity, and closing the outlet to perform cooling at low velocity through an outlet hole if room temperature or room humidity reaches a predetermined value so that a user can little feel the wind velocity of cooling of the air conditioner, while maintaining indoor space at pleasant temperature or humidity. By performing cooling at low velocity through the outlet hole formed in the lower portion of the air conditioner, it is possible to cool the lower area of indoor space at pleasant temperature when a user is asleep.

Abstract: Disclosed herein is a heat exchanger, and more particularly, a heat exchanger of an aluminum alloy material designed to have an electric potential difference between a tube of the heat exchanger and a heat exchanger fin. A heat exchanger according to one aspect of the present disclosure includes a tube through which a refrigerant flows, a heat exchanger fin coupled to a surface of the tube, and a filler that couples the tube and the heat exchanger fin, wherein the tube is formed of an aluminum alloy material that includes a rare-earth metal, and the heat exchanger fin and the filler may be formed of aluminum alloy materials that include silicon (Si), copper (Cu), and zinc (Zn).

Abstract: A particle sensing device and an air conditioner including a sensor has a sensing path through which air passes, a flow path housing which accommodates the sensor and guides air, and a flow path switching device to all air suctioned from the outside is guided to the sensing path, or some of the air suctioned from the outside and moving flows back in an obliquely upward direction and flows into the sensing path.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: Disclosed is a humidifier and home appliance having a structure with an air inflow path formed in a water tank separately from a water supply inlet and configured to prevent noise due to air bubbles during water supply to a water reservoir from the water tank, and a structure configured to block the air inflow path in order to prevent water from flowing into the air inflow path during replenishment of water to the water tank.

Abstract: An air conditioner having a plurality of compressors and a starting control method thereof, where the plurality of compressors is simultaneously started if a starting load of the air conditioner is smaller than a reference load, and the plurality of compressors is sequentially started if the starting load of the air conditioner is larger than the reference load, thereby simultaneously starting the plurality of compressors at a starting load section in which a starting stability of the compressors is secured, and thus capable of enhancing the cooling and heating performance.