Lg Electronics Inc.

Juntae Kim

Seunghwan Jung

Kwonhyung Lee

Sangwoo Lee

Sangchul Youn

Changmin Choi

Soonyong Choi

Hyuntak Lee

Daewoo Kim

Chulmin Park

Kyongdo Lee

Jinsik Kim

Chisun Ahn

Myungkyoon Kim

Disclosed is an air conditioner. The air conditioner includes: an outdoor unit having therein a compressor for compressing refrigerant; at least one indoor unit; a storage configured to store a database on a power quantity used by the air conditioner; and a controller. The controller is configured to: based on the database, calculate an estimated power quantity expected to be used by the air conditioner for at least a part of an entire period, based on a preset maximum power quantity for the entire period and the calculated estimated power quantity, determine a target power quantity for a specific unit time, which is expected to be used by the air conditioner for the specific unit time of the entire period; control the compressor for the specific unit time based on the target power quantity; and in response to arrival of a point in time to update the target power quantity, add, to the database, the power quantity used by the air conditioner for the specific unit time.

Air conditioner and operation method thereof

A method of controlling an air conditioner is disclosed. The air conditioner includes an outdoor unit, and a plurality of indoor units respectively connected to the outdoor unit and including at least one vane that adjusts a wind direction, and a fan that forms an air flow. The method includes detecting an indoor temperature of each of the plurality of indoor units through a temperature sensor disposed in each of the plurality of indoor units; specifying an indoor unit having a temperature imbalance as a target indoor unit based on the indoor temperature of each of the plurality of indoor units detected through the temperature sensor; specifying indoor units adjacent to the target indoor unit as support indoor units; and performing a support operation for resolving the temperature imbalance of the target indoor unit by adjusting the at least one vane and the fan of the support indoor unit.

Air conditioner

Disclosed is an air conditioner including a plurality of units having an outdoor unit and an indoor unit. The plurality of units includes a controller configured to control an input/output and control to operate according to setting and a communication unit configured to transmit and receive data in a wireless communication method between the plurality of units. The communication unit includes a plurality of antenna connection units respectively connected to the plurality of antennas, and a transmission/reception unit configured to apply a signal of a certain frequency band to the plurality of antennas through the plurality of antenna connection units, and to process a signal received from the plurality of antennas. The communication unit includes a plurality of antennas, and is configured to transmit and receive data through multiple input and output, so that the plurality of units can directly communicate wirelessly, specify a frequency of a signal used in consideration of obstacles in a building and installation distances, and perform multiple input and output by using the plurality of antennas, thereby achieving stable communication by securing communication coverage, and improving efficiency and stability according to the management and operation of the air conditioner.

Disclosed is an air conditioner and a control method thereof, the air conditioner where a plurality of units is connected wirelessly to receive and transmit data with each other, and the control method in which an address is set in a wireless communication method using an initially set basic channel, a group is set in response to a response signal, and communication is performed with an indoor unit belonging into the same group through a new channel. Accordingly, the plurality of units in the air conditioner is able to receive and transmit data with each other wirelessly, and a group is set with respect to multiple units so that the multiple units are able to communicate with each other directly. Additionally, because a group is able to be easily set with respected to units connected via a pipe by setting a channel, it is possible to reduce a time for setting wireless communication and make the communication setting accurate. The present disclosure allows units to communicate using a different channel according to which group each unit belongs to, thereby preventing intervention between groups and malfunction of units.

Air conditioner and control method thereof

The present disclosure provides an air conditioner system that includes a plurality of air-conditioners, and a management server configured to receive air-conditioner data from the plurality of air-conditioners, and to analyze the received air-conditioner data to diagnose a state of the air-conditioners. The management server is configured to perform a first or short term diagnosis of the state of the air-conditioners. The management server to perform a second or long term diagnosis of the state of the air conditioners during a certain period, based on a result of the first diagnosis.

Air-conditioner system and control method, with first and second abnormality diagnosis

An air conditioning system including a management server for analyzing data being received from at least one air conditioner at a predetermined time interval and for diagnosing a state of the air conditioner is provided. The condition of the air conditioner is diagnosed in real time through the analyzing of the data on the air conditioner. Performance deterioration on the air conditioner corresponding to variations over a certain period is diagnosed with data calculated or accumulated on a performance and an efficiency based on the data relating to the air conditioner.

Air conditioning system and control method thereof

A communication device for pipes of an air conditioner disclosed herein transmits and receives communication signals using induced electromagnetic force, generated by a signal line wound around a core assembly, thereby facilitating for coupling between the core assembly and the signal line. Also, one type of core assembly can be commonly applied to various standards of pipes. Rainwater or foreign materials cannot permeate between the signal line and the core assembly by winding the signal line on the core assembly, despite of external installation, thus preventing breakdown or degraded communication performance of the communication device. Also, with forming a signal line mounting hole through the core assembly, the signal line is fixedly inserted through the signal line mounting hole, thereby preventing in advance a movement of the core assembly even though a refrigerant pipe vibrates.

Signal transmission device for air conditioner

The present disclosure discloses a remote maintenance server for remotely maintaining at least one maintenance point provided with an air conditioner having a plurality of indoor units performing air conditioning and at least one outdoor unit connected to the indoor units to drive the indoor units, the remote maintenance server including a display unit configured to display a maintenance screen for maintaining the at least one maintenance point, and a controller configured to control at least one of at least one of an operation rate for the plurality of indoor units, a set temperature, and a compression capacity of a compressor contained in the air conditioner according to a control setting value, and control the display unit to display control information which is information associated with at least one of a control status and a control result in which at least one of the control setting value, the operation rate, the set temperature and the compression capacity is controlled in a first region on the maintenance screen.

Remote maintenance server, total maintenance system including the remote maintenance server and method thereof

A communication apparatus, an air conditioning system having the same, and a communication method for the air conditioning system using a refrigerant pipe are provided. The refrigerant pipe may be used as a transmission line to allow communications between an outdoor unit and an indoor unit, and a low frequency band signal and a core having an inductance value appropriate for the characteristic of a pipe communication frequency may be used to perform the pipe communication, which allows communications between the outdoor unit and the indoor unit without a separate communication line, resulting in minimizing noise interruption and affection of surge, and avoiding signal strength attenuation and signal radiation.

Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes

In an air conditioning system and a communication method thereof a wireless network may be established between indoor units and a controller or between outdoor units so as to allow communications therebetween, thereby facilitating device addition or device deletion. Also, one or more outdoor units and a plurality of indoor units may be controlled without a dedicated communication line or with using a less mount of the dedicated communication line, and the outdoor units or indoor units may perform communications using one or more communication technologies, such as wireless communication and pipe communication technologies and wireless communication and dedicated line communication technologies, while performing communications with the controller using the wireless communication technology.

Growing community of inventors

Seoul, South Korea

Juntae Kim