Patents Assigned to Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
  • Publication number: 20240142148
    Abstract: An air conditioner and a method for calculating an operating parameter of an indoor unit are provided. The air conditioner includes an outdoor unit, an indoor unit, and a controller. The controller is configured to: in a case where the air conditioner is in a cooling state, determine an operating parameter of the indoor unit in a second cooling state according to a heat exchange area, a heat exchange coefficient, and a heat exchange temperature difference of an indoor heat exchanger; and determine an operating parameter of the indoor unit in a first cooling state according to a superheat degree of an outlet of the indoor heat exchanger in the first cooling state, a superheat degree of the outlet of the indoor heat exchanger in the second cooling state, and the operating parameter of the indoor unit in the second cooling state.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Jiangnan WANG, Yanjin CHE, Xingxiang XIA, Heng ZHANG
  • Publication number: 20240133603
    Abstract: An air conditioner and a control method of an air conditioner are provided. The air conditioner includes an outdoor unit, an indoor unit, a refrigerant circulation loop, and a controller. The controller is configured to determine whether the air conditioner is operating in a cooling mode; obtain a first target supercooling degree in a first standard condition if it determined that the air conditioner is operating stably in the cooling mode; convert a supercooling degree in a current condition into a supercooling degree in the first standard condition; obtain a first refrigerant amount difference according to the first target supercooling degree, the supercooling degree in the first standard condition, an outdoor unit internal volume in the first standard condition, and an outdoor unit internal volume in the current condition; and determine a refrigerant amount of the air conditioner according to the first refrigerant amount difference.
    Type: Application
    Filed: January 5, 2024
    Publication date: April 25, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Lei SHI, Xingxiang XIA, Guilan LIU
  • Publication number: 20240060659
    Abstract: An air conditioner includes a compressor and a heat exchanger. The heat exchanger includes a first heat exchanger, a second heat exchanger, a plurality of connectors, at least one first header, a second header, and a main air pipe assembly. A plurality of flat pipes in the second heat exchanger correspond to a plurality of flat pipes in the first heat exchanger. The plurality of connectors are arranged corresponding to the plurality of flat pipes in the first heat exchanger. The at least one first header is connected to first ends of the plurality of flat pipes in the first heat exchanger. The second header is connected to first ends of the plurality of flat pipes in the second heat exchanger. The main air pipe assembly makes the second header communicated with the compressor.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 22, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Dongfang ZHAO, Fali CAO, Xiaoyu LI, Lihua SHI, Xiaolei LIU, Yajun LI
  • Publication number: 20240044542
    Abstract: Some embodiments of the present disclosure provide an air conditioner and a control method thereof. The air conditioner includes an outdoor unit, an indoor unit, a temperature sensor, a humidity sensor, and a controller. The temperature sensor is configured to detect a first indoor temperature and a second indoor temperature. The humidity sensor is configured to detect a first indoor humidity and a second indoor humidity. The controller is configured to control the air conditioner to operate in a reheat dehumidification mode if it is determined that a first preset condition is satisfied, control the air conditioner to operate in a cooling mode if it is determined that the first preset condition is not satisfied, and control the air conditioner to enter a shutdown state if it is determined that one of a second preset condition and a third preset condition is satisfied.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 8, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Yulei ZHAO, Haibin LU, Heng ZHANG, Chen DONG, Jia PENG, Tingyu LI
  • Publication number: 20240019159
    Abstract: An air conditioning system includes an outdoor unit, an indoor unit, a wire controller, a terminal device, a first converter, and a second converter. The first converter is configured to obtain Celsius temperature data currently transmitted in the air conditioning system, convert the currently transmitted Celsius temperature data to first Fahrenheit temperature data by using a Fahrenheit-Celsius standard conversion formula, round the first Fahrenheit temperature data to obtain target Fahrenheit temperature data, and send the target Fahrenheit temperature data to at least one of the wire controller or the terminal device. The second converter is applied to the wire controller or the terminal device and is configured to convert received Fahrenheit temperature data to target Celsius temperature data. A method for controlling the air conditioning system is also described.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 18, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Jihong CAO, Xiuxia CAO
  • Publication number: 20240003557
    Abstract: A humidifying device includes a housing, a humidifying module, and a water spray module disposed above the wet membrane assembly. The housing includes an air inlet, an air outlet, and an installation socket at an end of the housing. The humidifying module includes a water receiving portion and a wet membrane assembly disposed in the water receiving portion, and the water receiving portion is disposed in the installation socket in a pluggable manner. The wet membrane assembly includes a water receiving tray on a top thereof, and the water receiving tray includes a plurality of first through holes. The water spray module includes a water spray board, a water spray cover, and a water inlet assembly connected with the water spray cover. A water storage chamber exits between the water spray board and the water spray cover. The water spray board includes a plurality of second through holes.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Detong YU, Yong DU, Chuanyong LIU, Chuan LI, Qinghao MENG
  • Publication number: 20230375210
    Abstract: An air conditioner system includes an air conditioner and a cloud platform. The air conditioner includes an indoor unit and an outdoor unit. The cloud platform is configured to: in a case where the air conditioner is in a heating mode, determine that the outdoor unit performs one of defrosting and ending defrosting; if determining that operating parameters of the outdoor unit satisfy a first preset condition, send a first sub-instruction to the outdoor unit, so that the outdoor unit starts defrosting according to the first sub-instruction; if determining that the operating parameters satisfy any one of a plurality of second preset conditions, send a second sub-instruction to the outdoor unit, so that the outdoor unit ends defrosting according to the second sub-instruction.
    Type: Application
    Filed: August 4, 2023
    Publication date: November 23, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Ruijia WANG, Mingshun HE, Xuhui SUN, Wentao LIN, Zhaoting REN
  • Publication number: 20230366577
    Abstract: An air conditioning system includes a plurality of indoor units, a plurality of outdoor units, a gateway device, a server and a terminal device. A method for controlling the air conditioning system includes: the gateway device obtaining first category identification information of an outdoor unit and second category identification information of an indoor unit coupled to the outdoor unit, and sending the first category identification information and the second category identification information to the server; the server determining a piece of scenario data corresponding to the outdoor unit and the indoor unit according to the first category identification information, the second category identification information and a scenario data table, and outputting the piece of scenario data to the terminal device; and the terminal device outputting at least one scenario corresponding to the piece of scenario data.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventor: Xiuxia CAO
  • Publication number: 20230332775
    Abstract: An air conditioner indoor unit includes a housing, a panel, a fan assembly, a first air guide assembly, and a first driving assembly. The panel includes a first air outlet. The first air guide assembly is located on a side of the panel away from the housing, and a second air outlet is constituted between an edge of the first air guide assembly and an edge of the first air outlet. The first driving assembly is configured to drive the first air guide assembly to move relative to the panel, so as to change a size of the second air outlet to adjust a flow direction of air flowing out from the second air outlet. The first air guide assembly includes a flow direction changing structure, and the flow direction changing structure is configured to move in a direction different from a moving direction of the first air guide assembly.
    Type: Application
    Filed: June 12, 2023
    Publication date: October 19, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Kun XU, Luhua YAN, Zhichao YUAN, Yanfang ZHU, Hu LI, Tao LI, Jianjun MENG, Bao QI, Xutong SONG, Yanqiang HUAN, Changquan ZHANG
  • Publication number: 20230266031
    Abstract: An air conditioner monitoring system includes a cloud monitoring platform, a local monitoring platform, and a converter. The converter is configured to collect communication data and includes a first port, a communication assembly, a power supply device, and a second port. The first port is coupled to the local monitoring platform. The communication assembly is coupled to the cloud monitoring platform. The second port is coupled to the power supply device. The converter is configured to transmit the communication data to the local monitoring platform through the first port and transmit the communication data to the cloud monitoring platform through the communication assembly. The local monitoring platform is configured to parse the communication data and output parsed communication data.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 24, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Huayao GONG, Weilong WU, Kai SHENG
  • Publication number: 20230261600
    Abstract: An air conditioner includes a controlled device, a frequency converter, and a controller. The controller is configured to: determine a present operating frequency of the controlled device, and a present output current and a present input power of the frequency converter; determine a present efficiency of the frequency converter according to the present operating frequency of the controlled device and the present output current of the frequency converter; and determine a present input power of the frequency converter according to the present efficiency of the frequency converter and the present output power of the frequency converter.
    Type: Application
    Filed: March 1, 2023
    Publication date: August 17, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Jingfeng SHI, Lei SHI, Qiang CHEN, Haibin LU, Fali CAO
  • Publication number: 20230243522
    Abstract: An air conditioner includes an indoor unit and an outdoor unit. The outdoor unit includes a housing, a compressor, a first damping member, and a second damping member. The compressor is provided with a pipe. The first damping member and the second damping member each are disposed on the pipe. The second damping member is located at a preset position of the pipe. The first damping member and the second damping member are configured to change a natural resonant frequency of the pipe to a target frequency. The second damping member includes a housing assembly and a clamping groove. The clamping groove is disposed on a side of the cavity proximate to the pipe, so that a center of gravity of the second damping member deviates from a center of gravity of a portion of the pipe connected with the damping groove.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Wendong GAO, Qingjie WANG, Xiaonan GAI
  • Publication number: 20230132393
    Abstract: An air source heat pump system includes at least one heat pump sub-system and at least one water tank. Each heat pump sub-system includes a refrigerant circulation path and a water supply circulation path. The refrigeration circulation path includes a compressor, a first heat exchanger, a first throttling device, and an evaporator that are sequentially connected to one another. The water supply circulation path includes a first supply pipe, a second supply pipe, a return pipe, and a waterway control valve. The first supply pipe and the second supply pipe are each communicated with an end of the first heat exchanger through the waterway control valve, and the return pipe is communicated with another end of the first heat exchanger. The return pipe is communicated with a water inlet of a corresponding water tank, and the second supply pipe is communicated with a water outlet of the corresponding water tank.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 27, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Dongfang ZHAO, Yongkun GAO, Min LIU
  • Publication number: 20230107874
    Abstract: An air conditioner includes an indoor unit, an outdoor unit, and a controller. The outdoor unit is connected to the indoor unit, and the outdoor unit includes a housing, a compressor, a four-way valve, an outdoor fan, a separating device, and a plurality of outdoor heat exchangers arranged in parallel.
    Type: Application
    Filed: December 8, 2022
    Publication date: April 6, 2023
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Heng ZHANG, Yongkun GAO, Jianjun MENG, Xingxiang XIA, Lihua SHI
  • Publication number: 20220276009
    Abstract: An air conditioner includes a plurality of flat tubes, a first header, a second header, a third header and a connecting pipe. The plurality of flat tubes are configured to circulate a gas-liquid two-phase refrigerant. The first header is disposed at an end of the plurality of flat tubes. The second header is disposed at another opposite end of the plurality of flat tubes, and includes a header body and at least one flow disturbing portion. The at least one flow disturbing portion is disposed in the header body and configured to disturb a flow of the gas-liquid two-phase refrigerant in the header body. The third header is disposed at the another opposite end of the plurality of flat tubes. The connecting pipe communicates with the header body of the second header and the third header.
    Type: Application
    Filed: May 19, 2022
    Publication date: September 1, 2022
    Applicant: Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
    Inventors: Fali CAO, Yuping DENG, Xiaolei LIU, Yazhou TANG, Heng ZHANG
  • Publication number: 20220252300
    Abstract: A ducted air conditioner includes a housing, a heat-retaining and drainage assembly, a fan assembly and an air conditioning device. The heat-retaining and drainage assembly is disposed in the housing, and includes a first heat-retaining member and a second heat-retaining member. The first heat-retaining member includes a first dividing plate. The second heat-retaining member is stacked with the first heat-retaining member, the second heat-retaining member includes a second dividing plate connected to the first heat-retaining member. An inner space of the housing is divided to a first cavity and a second cavity, an arrangement direction of the first cavity and the second cavity is perpendicular to a stacking direction of the first heat-retaining member and the second heat-retaining member. The fan assembly is disposed in the first cavity. The air conditioning device is disposed in the second cavity, and located between the first heat-retaining member and the second heat-retaining member.
    Type: Application
    Filed: April 28, 2022
    Publication date: August 11, 2022
    Applicant: Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
    Inventors: Wenqiang ZHANG, Ronghai ZHANG, Detong YU, Biao ZHANG
  • Publication number: 20220120472
    Abstract: An air source heat pump system includes at least one heat pump sub-system and at least one water tank. Each heat pump sub-system includes a refrigerant circulation path and a water supply circulation path. The refrigeration circulation path includes a compressor, a first heat exchanger, a first throttling device, and an evaporator that are sequentially connected to one another. The water supply circulation path includes a first supply pipe, a second supply pipe, a return pipe, and a waterway control valve. The first supply pipe and the second supply pipe are each communicated with an end of the first heat exchanger through the waterway control valve, and the return pipe is communicated with another end of the first heat exchanger. The return pipe is communicated with a water inlet of a corresponding water tank, and the second supply pipe is communicated with a water outlet of the corresponding water tank.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 21, 2022
    Applicant: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Dongfang ZHAO, Yongkun GAO, Min LIU
  • Patent number: 11236926
    Abstract: An air conditioning heat pump system using an ejector may include a compression assembly, an outdoor heat exchanger, an indoor heat exchanger, an ejector, and a first to third electromagnetic valve and a controller. A first end of the compression assembly may be connected with the one end of the outdoor heat exchanger, a second end may be connected with one end of the indoor heat exchanger, a third end may connected with outlet end of the ejector, and a fourth end may be connected with another end of the outdoor heat exchanger. One end of the outdoor heat exchanger may also be connected with a jet inlet of the ejector through the first electromagnetic valve, and another end may also be connected with the jet inlet of the ejector through the second electromagnetic valve and the third electromagnetic valve.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: February 1, 2022
    Assignee: Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd.
    Inventors: Min Liu, Wenqiang Zhang, Hu Li, Minglong Du
  • Patent number: 11226917
    Abstract: Disclosed is a home bus system (HBS) circuit, applicable to home bus (HB) communication implemented using a Microchip chip. The circuit includes the Microchip chip, an HBS communication chip, a resistor, a capacitor, and a transistor, the Microchip chip includes a universal asynchronous receiver/transmitter (UART) input pin and a serial peripheral interface (SPI) output pin, and the HBS communication chip includes an input pin. The transistor has a base coupled to the SPI output pin and a first end of the capacitor, a collector coupled to a first end of the resistor and the input pin of the HBS communication chip, and an emitter grounded, wherein a second end of the resistor is coupled to a power supply, and a second end of the capacitor is grounded.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: January 18, 2022
    Assignee: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Jingfeng Shi, Minglong Du, Lei Hou, Leilei Ge
  • Patent number: D987807
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: May 30, 2023
    Assignee: QINGDAO HISENSE HITACHI AIR-CONDITIONING SYSTEMS CO., LTD.
    Inventors: Zhigang Zhou, Yanzhi Zhang, Kun Xu, Xuemin Wu, Fuxian Zhang