Qingdao Haier Joint Stock Co., Ltd.

Qingdao Haier Refrigerator Co., Ltd.

Haier Smart Home Co., Ltd.

Chongqing Haier Refrigeration Electric Appliance Co., Ltd.

Feifei Qi

Lisheng Ji

Jianru Liu

Haibo Tao

Chunyang Li

Xiaobing Zhu

Peng Li

Dong Yu

Kui Zhang

Jian Ma

Shufeng Zhang

Dingyuan Wang

Caiyun Zhao

Zhanpeng Cui

Shengyuan Nie

Kai Wang

Shanshan Liu

Yiming Wang

Zhiqiang Han

Hualong Chi

Wenchao Xue

The present application discloses an oil supply device of a compressor, a compressor and a refrigeration equipment, the oil supply device of a compressor comprising: a piston cylinder with an inner chamber, a piston, an outer housing, and an oil intake passage and an oil discharge passage, the oil intake passage comprises an oil intake chamber, an oil inlet and an oil outlet; the side wall of the oil intake chamber has an arcuate flow guide portion to direct flow between the oil inlet and the oil outlet. The application can create a vortex in the oil intake chamber after the oil entering the oil intake chamber from the oil inlet, thereby improving the oil suction efficiency.

Oil supply device for compressor, compressor, and refrigeration equipment

Provided are a control method for a refrigerating and freezing device, and the refrigerating and freezing device. The refrigerating and freezing device includes a cabinet provided with a groove communicating with a surrounding environment and sunken inwards, and at least one fan for promoting air of the surrounding environment to flow into the groove. The control method includes: judging whether a temperature in the groove is less than or equal to a dew point temperature; and if yes, controlling the fan to operate at a first preset rotation speed. The temperature in the groove is increased by controlling the fan to operate to introduce hot air of the surrounding environment into the groove when the temperature in the groove is less than or equal to the dew point temperature, which avoids condensation in the groove and improves safety and reliability of electrical parts in the groove.

Control method for refrigerating and freezing device, and refrigerating and freezing device

Disclosed is a refrigerator adopting a linear compressor and a control method thereof. The method includes: monitoring the temperature of an evaporator of the refrigerator; if the current temperature of the evaporator of the refrigerator is greater than or equal to a first preset temperature threshold, then invoking a noise reduction mode to actively reduce the heat exchange amount between the evaporator and a compartment of the refrigerator until the current temperature of the evaporator of the refrigerator is smaller than or equal to a second preset temperature threshold, and invoking a cooling mode to resume the normal heat exchange between the evaporator and the compartment of the refrigerator, wherein the first preset temperature threshold is higher than the second preset temperature threshold.

Refrigerator adopting linear compressor and control method thereof

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.

Refrigeration control method for refrigerator and refrigerator

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.

Refrigerator control method and system with inverter compressor

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.

Refrigerator

The present invention discloses a refrigerator controlling method and system with a linear compressor. The method comprises: monitoring an environment temperature T of the refrigerator located in the environment comparing the environment temperature T with a preset environment temperature threshold T; if T is larger than T, controlling a refrigerating unit and/or a heating unit in the refrigerator such that the refrigerator runs under a first operation condition; and if T is smaller than or equal to T, controlling the refrigerating unit and/or the heating unit in the refrigerator such that the refrigerator runs under a second operation condition. When the linear compressor runs within predetermined time, a refrigeration amount of the linear compressor under the second operation condition is controlled to be larger than a refrigeration amount of the linear compressor under the first operation condition, such that a compartment of the refrigerator reaches a target temperature.

Refrigerator controlling method and system with linear compressor

A bent pipe and a semiconductor refrigerator having the same are provided. The bent pipe for a fluid to flow therein includes a plurality of bent portions; a plurality of connecting pipe sections, each connecting two adjacent bent portions; and a retention member, which is successively fixed at different locations along the length thereof to the bent portions on the same side of the bent pipe. At least some of the pipe sections of the bent pipe can be kept in the bent shape by a retention member.

Bent pipe with retention member and semiconductor refrigerator having same

The present invention discloses a refrigerator control method and system using a linear compressor. The control method comprises: monitoring an ambient temperature T of a refrigerator; comparing the ambient temperature T with a preset ambient temperature threshold T0; if T is greater than T0, controlling an output power of the linear compressor to be a preset first output power, and if T is smaller than or equal to T0, controlling the output power of the linear compressor to be a preset second output power, which is greater than the preset first output power. In the present invention, by increasing the stroke of the piston inside the linear compressor through controlling the output power of the linear compressor, the refrigerator can be guaranteed to work normally by avoiding protection of the linear compressor by the frequency converting board.

Refrigerator control method and system using linear compressor

A sintered heat tube and a semiconductor cooling refrigerator having the same, the sintered heat tube comprises: a main tube segment with its both ends closed, and a manifold tube segment/manifold tube segments extending from one or more portions of one side of the main tube segment (respectively), wherein a work chamber of each manifold tube segment communicates with that of the main tube segment. In the sintered heat tube and the semiconductor cooling refrigerator having the sintered heat tube of the present invention, as the sintered heat tube includes manifold tube segments, the sintered heat tube of the present invention greatly improves the heat radiating or cold transferring efficiency. The sintered heat tube is particularly suitable for heat radiation of heat sources of a high heat flow density such as semiconductor cooling plates.

Sintered heat tube and semiconductor cooling refrigerator provided with same

A freezing and refrigerating device comprises a box body and a door body. An air supply path supplying cooling air flow to a storage compartment, an air return path enabling the air flow from the storage compartment to pass, a cooling chamber and a defrosting air return path are defined in the box body, wherein the cooling chamber is provided with an air feeding opening part and an air return opening part and contains an evaporator, a blower and a defrosting heater, and the defrosting air return path is communicated with the air feeding opening part and the air return opening part of the cooling chamber. The air supply path and the defrosting air return path are provided with an air supply door and a defrosting air return door respectively. The present invention further provides a defrosting control method of the freezing and refrigerating device.

Freezing and refrigerating device and defrosting control method thereof

A semiconductor refrigerator, which comprises: a liner; at least one semiconductor cooler; and a plurality of cold end heat exchanging devices, each of which is configured to allow the refrigerant to flow therein and undergo phase-change heat exchange to transfer cold from the cold end of the semiconductor cooler to the storage compartment of the liner. Each of the cold end heat exchanging devices has three refrigerant pipelines, each refrigerant pipeline having an evaporation section which is downwardly bent and extends in a vertical plane and has a closed tail end, the evaporation sections of the three refrigerant pipelines of each of the cold end heat exchanging devices being thermally connected to the rear wall and two side walls of the liner respectively.

Semiconductor refrigerator

A cold end heat exchanging device and a semiconductor refrigerator having the cold end heat exchanging device. The cold end heat exchanging device comprises a cold end heat exchanging part and a plurality of refrigerant pipelines. The cold end heat exchanging part defines an inner cavity or a conduit for containing a gas-phase and liquid-phase co-existing refrigerant. Each refrigerant pipeline is provided with an evaporation section that is downwards bent and extends in a vertical plane and has a closed tail end, and a connection section that is upwards bent and extends from a starting end of the evaporation section and is connected to the inner cavity or the conduit. Evaporation sections of at least some refrigerant pipelines of the plurality of refrigerant pipelines are distributed in two vertical planes that are perpendicular to each other.

Cold end heat exchanging device and semiconductor refrigerator

The present invention provides a refrigerator, comprising a storage compartment and a mixed air passage. Both ends of the mixed air passage have air inlets, the middle portion of the mixed air passage comprises a mixed air outlet communicating with the storage compartment, and the mixed air passage is configured to receive air flows from the two air inlets such that two air flows enter the storage compartment in a mixed manner via the mixed air outlet. The refrigerator of this invention comprises a mixed air passage, so that the air in an area of the storage compartment with a relatively high temperature can enter the mixed air passage earlier than external air or the air in the storage compartment with a relatively low temperature. Then, the two air flows are blown to the storage compartment in a mixed manner, realizing even temperature distribution in the storage compartment.

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Qingdao, China

Feifei Qi