Patents Assigned to Qingdao Haier Joint Stock Co., Ltd.
  • Patent number: 10934752
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body. A guide block is provided on the door, a rotation shaft is provided on the hinge body, and rotation shaft grooves are provided on the guide block. With the structure of the hinge body, the gravity of the door and the friction force may be shared onto the first and second plate bodies of the hinge body, thereby reducing abrasion and prolonging the service life of the door of the refrigerator.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Hao Zhang, Enpin Xia, Xiaobing Zhu
  • Patent number: 10934756
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body, wherein a positioning shaft and a guiding shaft are provided on the hinge body, and a positioning groove and a guiding groove are provided on the door; the door of the refrigerator according to the present invention may be moved by a distance in a direction away from a pivoting side when being opened, thereby avoiding inconvenience of opening the door due to the protrusion of the side wall of the door.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Hao Zhang, Enpin Xia, Chun Yang, Xiaobing Zhu
  • Patent number: 10934754
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body. A guide block is fixedly provided on the door, a positioning shaft and a guiding shaft are provided on the hinge body, and a positioning groove and a guiding groove are provided on the guide block; the door of the refrigerator according to the present invention may be moved by a distance in a direction away from a pivoting side when being opened, thereby avoiding inconvenience of opening the door due to the protrusion of the side wall of the door.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Hao Zhang, Enpin Xia, Xiaobing Zhu
  • Patent number: 10934755
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body, wherein a positioning shaft and a guiding shaft are provided on the hinge body, and a positioning groove and a guiding groove are provided on the door; the door of the refrigerator according to the present invention may be moved by a distance in a direction away from a pivoting side when being opened, thereby avoiding inconvenience of opening the door due to the protrusion of the side wall of the door.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Enpin Xia, Hao Zhang, Xiaobing Zhu
  • Patent number: 10934753
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body. A guide block is provided on the door, a rotation shaft is provided on the hinge body, and rotation shaft grooves are provided on the guide block. With the structure of the hinge body, the gravity of the door and the friction force may be shared onto the first and second plate bodies of the hinge body, thereby reducing abrasion and prolonging the service life of the door of the refrigerator.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Enpin Xia, Hao Zhang, Xiaobing Zhu
  • Patent number: 10907893
    Abstract: A fresh drawer and a refrigerator using same. The fresh drawer comprises: a drawer body, wherein a storage chamber for storing food is provided inside the drawer body, and the storage chamber is of an openable sealed structure; a gas supplier, used for providing fresh-keeping gas for the storage chamber; and a pressure balancer, used for balancing air pressure inside the storage chamber. In the fresh drawer and the refrigerator using same, air in an inner storage chamber is replaced with fresh-keeping gas such as nitrogen and oxygen, to provide a modified atmosphere for a food storage space, such that the shelf life of food can be greatly extended.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: February 2, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Bin Fei, Riyong Lu, Jinlin Liu, Xiaobing Zhu
  • Patent number: 10890369
    Abstract: The present invention provides a refrigerating and freezing device. A first sealed space and a second sealed space are disposed in a storage space inside the refrigerating and freezing device. The refrigerating and freezing device is further provided with a nitrogen generation device, which comprises an adsorption device and an air compressor that supplies compressed air for the adsorption device. The adsorption device utilizes the compressed air to prepare nitrogen that is provided for the first sealed space and an oxygen-enriched gas that is provided for the second sealed space. The freshness preservation capability of the first sealed space is improved. The bioactivity of food in the second sealed space is guaranteed.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: January 12, 2021
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haoquan Liu, Bo Jiang, Liyan Wang, Ruowu Xin
  • Patent number: 10876333
    Abstract: The present invention provides a refrigerator, comprising a cabinet, a door and a hinge body. A guide block is provided on the door, a rotation shaft is provided on the hinge body, and rotation shaft grooves are provided on the guide block. With the structure of the hinge body, the gravity of the door and the friction force may be shared onto the first and second plate bodies of the hinge body, thereby reducing abrasion and prolonging the service life of the door of the refrigerator.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 29, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Hao Zhang, Enpin Xia, Yingxing Wang, Xiaobing Zhu
  • Patent number: 10820614
    Abstract: A refrigerator comprises a refrigerator body, an air-conditioning membrane assembly and an air pump assembly. The refrigerator body defines a storage space and a compressor chamber therein, a storage container is arranged in the storage space, and a freshness-keeping space is defined inside the storage container. The air-conditioning membrane assembly is configured to allow more oxygen than nitrogen in airflow in a surrounding space of the air-conditioning membrane assembly to pass through the air-conditioning membrane and enter an oxygen-rich gas collection chamber. An inlet end of the air pump is communicated with the oxygen-rich gas collection chamber in a controlled manner via a pipeline and a pipeline switching mechanism, for pumping gas in the oxygen-rich gas collection chamber to the outside of the freshness-keeping space, such that the actual content of oxygen in the freshness-keeping space is in a range of 2% to 19%.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: November 3, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Xiaobing Zhu, Bo Jiang, Lei Wang, Haoquan Liu, Ruowu Xin
  • Patent number: 10782066
    Abstract: A refrigeration control method and a refrigerator. The refrigeration control method for a refrigerator comprises: acquiring the refrigeration state of a first evaporator and the refrigeration state of a second evaporator; when the first evaporator performs refrigeration, acquiring the temperature of a second compartment; when the temperature of the second compartment is greater than the starting temperature of the second compartment and the difference therebetween is less than a first preset threshold, acquiring the temperature of a first compartment and determining whether the temperature of the first compartment is less than a preset first reference temperature, the first reference temperature being calculated according to the starting temperature of the first compartment and a set adjustment temperature; and when the temperature of the first compartment is less than the first reference temperature, switching the refrigerator into a state where the second evaporator performs refrigeration.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: September 22, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD
    Inventors: Lisheng Ji, Shengyuan Nie, Feifei Qi, Haibo Tao
  • Publication number: 20200284491
    Abstract: A cooling control method for a refrigerator comprises: measuring an actual temperature of freezer compartments, and setting a freezing parameter; if the actual temperature of at least one of the freezer compartments is higher than a freezing startup temperature, measuring an actual temperature of a refrigerator compartment, setting a refrigeration parameter, and if the actual temperature of the refrigerator compartment is higher than a refrigeration startup temperature and a difference between the actual temperature of at least one of the freezer compartments and the freezing startup temperature is higher than a preset value, re-setting the refrigeration parameter and the freezing parameter; and, according to the refrigeration parameter and the freezing parameter, causing a compressor, a fan, a refrigeration air door and a branch air supply device to operate in a preset state.
    Type: Application
    Filed: June 28, 2018
    Publication date: September 10, 2020
    Applicant: Qingdao Haier Joint Stock Co., Ltd.
    Inventors: Xiaobing ZHU, Chunyang LI, Haibo TAO
  • Patent number: 10753667
    Abstract: A branching air supply device for a refrigerator, comprising: a housing provided with at least one air inlet and a plurality of air outlets; an adjusting piece configured to completely shield, partially shield or completely expose each air outlet in a controlled manner, so as to regulate respective air discharging areas of the plurality of air outlets; and an air-feeding device configured to enable air flow to flow into the housing from the at least one air inlet and to flow out of the housing via one or more air outlets of the plurality of the air outlets.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 25, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Xiaobing Zhu, Xueli Cheng, Bin Fei, Riyong Lu
  • Patent number: 10753670
    Abstract: A refrigerator door and a method of manufacturing the same. The refrigerator door comprises a frame, a glass panel disposed at an outer side of the frame, and a LOGO display device disposed between the glass panel and the frame. A transparent LOGO display area is provided on the glass panel. The LOGO display device comprises a light-emitting component and a one-way vision film. The light-emitting component is disposed on one side of the LOGO display area towards the frame. The one-way vision film is disposed between the LOGO display area and the light-emitting component. The method of manufacturing the refrigerator door controls a printing error within 0.5 mm. The LOGO of the refrigerator door can emit light, has sharp and clear display, and is elegant in appearance.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: August 25, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Enpin Xia, Hao Zhang, Guoshun He, Xiaobing Zhu
  • Patent number: 10739061
    Abstract: A temperature homogenizing container and a refrigerator having same. The container comprises a body and an accommodating space that is enclosed by the body. The body comprises several capillary tube cavities provided therein and allowing flow of a heat exchange medium. A micro-tooth structure is provided on the inner wall of each capillary tube cavity. The heat exchange medium may flow in the capillary tube cavities along an extension direction of the capillary tube cavities. By setting the container body to comprise several capillary tube cavities therein, the temperature homogenizing effect and heat exchange efficiency of the container are improved; by providing the micro-tooth structure, the heat exchange efficiency is further improved; the temperature difference of different areas in the container is reduced, and temperature homogenization in the container is achieved.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: August 11, 2020
    Assignees: QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD., QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Bin Fei, Xueli Cheng, Xuan Ji, Xiaobing Zhu
  • Patent number: 10739066
    Abstract: A control method and control system of a refrigerator with an inverter compressor. The control method includes: calculating the total cooling amount needed by a compartment to be cooled within a unit time; taking the total cooling amount as a first power of the inverter compressor and calculating a first frequency of the inverter compressor operating at the first power; and controlling the inverter compressor to operate at the first frequency. The present invention effectively controls the power consumption amount while satisfying the refrigerator cooling condition by calculating the total cooling amount needed by a refrigerator compartment within a unit time and adjusting the frequency of the inverter compressor.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: August 11, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Lisheng Ji, Jianru Liu, Xiaobing Zhu, Feifei Qi, Shufeng Zhang, Caiyun Zhao
  • Patent number: 10711496
    Abstract: A refrigerator comprising a refrigerator body and a door body. The refrigerator body comprises a fixed hinge and a movable hinge. One extremity of the fixed hinge is fixed on the refrigerator body; the other extremity protrudes the refrigerator body and is provided with a guide shaft protruding towards the door body. A guide groove used for fitting the guide shaft is provided on the door body. The guide groove comprises a first groove. One extremity of the movable hinge is pivotally connected to the refrigerator body by employing a first rotating shaft and a first rotating groove; the other extremity protrudes the refrigerator body and is pivotally connected to the door body by employing a second rotating shaft and a second rotating groove.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 14, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Guoshun He, Enpin Xia, Hao Zhang, Xiaobing Zhu
  • Patent number: 10712758
    Abstract: Provided are a refrigerator, and a method for correcting temperature measurement errors of an infrared sensor including: verifying that the infrared sensor is running in an operating state; obtaining a measured operating-state value acquired by the infrared sensor sensing the temperature of a preset zone; obtaining a correction constant corresponding to the infrared sensor, the correction constant being obtained by means of a comparison between the value measured by the infrared sensor in a correction state and a standard temperature value; using the correction constant to correct the measured value and thus obtain a corrected temperature value. Using the method, the impact of an absolute error of the infrared sensor on temperature measurement is reduced; thus the accuracy of temperature measurement is improved, such that measured values directly reflect the actual temperature of the items inside a preset zone, and an accurate basis for control is provided for subsequent associated control.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: July 14, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Chunyang Li, Sizhi Guo, Ming Wang
  • Patent number: 10712075
    Abstract: A refrigerator and ventilation door device thereof are provided. The ventilation door device comprises: a bottom frame provided with a ventilation opening; a door plate disposed abutting the bottom frame, configured to shift in a parallel plane of the bottom frame so as to adjust an area of the ventilation opening, and a guideway forming a predetermined angle with respect to the shifting direction of the door plate; and an adjuster having a guide post movably inserted in the guideway, and upon moving of the adjuster in a direction perpendicular to the shifting direction of the door plate, the guide post drives the door plate to shift.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: July 14, 2020
    Assignee: QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Hao Zhang, Enpin Xia, Huimin Zhang, Xiaobing Zhu
  • Patent number: 10684058
    Abstract: The invention provides a refrigerator, comprising a top air passage provided at a top wall of the storage compartment and connected with the refrigeration air passage to receive refrigeration air therefrom; an air guiding pipe comprising an air inlet end connected with the top air passage, an air outlet end for supplying air to the storage compartment, and an air outlet opening downwards; and a first air supply device configured to cause air flow to enter the air guiding pipe via the top air passage, such that the refrigeration air flowing into the top air passage from the refrigeration air passage is blown downwards in a concentrated manner via the air guiding pipe.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: June 16, 2020
    Assignees: QINGDAO HAIER REFRIGERATOR CO., LTD., QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Feifei Qi, Lisheng Ji, Jianru Liu
  • Patent number: 10684059
    Abstract: The present invention relates to a refrigerator and a control method thereof. The present invention provides a refrigerator, comprising: a storage compartment; a refrigeration air passage configured to supply refrigeration air and comprising one or more refrigeration air outlets connected with the storage compartment such that a part or all of the refrigeration air in the refrigeration air passage is blown to the storage compartment via the one or more refrigeration air outlets; and a local air passage configured to receive refrigeration air from the refrigeration air passage and blow the received refrigeration air to a local area of the storage compartment in a concentrated manner. In addition, this invention also provides a control method of a refrigerator.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: June 16, 2020
    Assignees: QINGDAO HAIER SPECIAL REFRIGERATOR CO., LTD., QINGDAO HAIER JOINT STOCK CO., LTD.
    Inventors: Haibo Tao, Shengyuan Nie, Ke Wang, Jianru Liu