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Partition device, refrigerator and defrosting method

A barrier device and refrigerator technology, applied in household refrigeration devices, cooling fluid circulation devices, defrosting, etc., can solve the problem of large fluctuations in refrigeration temperature and achieve the effect of small fluctuations in refrigeration temperature

Pending Publication Date: 2021-03-26
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, a partition device, a refrigerator and a defrosting method are provided to solve the problem in the related art that the evaporator chamber is always connected with the freezing chamber and the refrigerating chamber through the fan chamber, so that during the defrosting process, the refrigerating temperature fluctuates greatly. question

Method used

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  • Partition device, refrigerator and defrosting method
  • Partition device, refrigerator and defrosting method
  • Partition device, refrigerator and defrosting method

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Embodiment

[0071] refer to Figure 1-Figure 11 , the partition device 4 provided by the present application is arranged between the fan cavity and the evaporator cavity of the refrigerator, and includes a stationary plate 41, a moving plate 43, a driving device, a plurality of pin keys 44 and a plurality of opening and closing blades 42;

[0072] The stationary plate 41 and the moving plate 43 are circular structures arranged coaxially, and both are provided with ventilation holes;

[0073] The side of the stationary plate 41 is provided with a plurality of pin key guide grooves 412; the distance between the pin key guide grooves 412 and the center of the circle of the stationary plate 41 gradually increases with the extension from the first end to the second end of the pin key guide grooves; A pin key guide slot 412 is distributed in a uniform array in the circumferential direction of the stationary plate 41;

[0074] The side of the moving plate 43 is provided with a plurality of blad...

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Abstract

The invention provides a partition device, a refrigerator and a defrosting method. The partition device is arranged between a fan cavity and an evaporator cavity of the refrigerator and comprises a static plate, a moving plate, a driving device, a plurality of pin keys and a plurality of opening and closing blades. When the opening and closing blades are in a first state, the triangular structureof each opening and closing blade forms a circle and seals one ventilation hole, so that the fan cavity is separated from the evaporator cavity; and when the opening and closing blades are in a secondstate, the ventilation holes are opened, and the fan cavity is communicated with the evaporator cavity. The defrosting method comprises the steps that whether the refrigerator needs to be defrosted or not is judged; if the judgment result is yes, a compressor is closed, a fan is closed, the partition device is controlled to partition the evaporator cavity and the fan cavity, and a defrosting heater works; whether a defrosting ending condition is met or not is judged; if yes, the compressor is started; whether a fan restarting condition is met or not is judged; and if the judgment result is yes, the partition device is controlled to communicate the evaporator cavity with the fan cavity, and the fan is started.

Description

technical field [0001] The invention relates to the related technical field of refrigeration equipment, in particular to a partition device, a refrigerator and a defrosting method. Background technique [0002] In the prior art, refrigerators generally refer to single-door, double-door, double-temperature, three-door, three-temperature, and cabinet-type multi-door refrigerators, which generally have an independent freezer and outer door of the freezer, so that they can be separated according to different storage temperatures. store. The refrigeration principle of this refrigerator-freezer is divided into direct cooling and air cooling. Direct-cooling refrigeration systems often use solenoid valves to control the flow of refrigerant, and supply refrigerant to the evaporators of each refrigerating (freezing) room to cool each space to the required temperature. Air-cooled refrigerators and freezers need to set up corresponding air ducts to supply air to each space. [0003] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D17/04F25D21/06F25D29/00
CPCF25D17/045F25D21/008F25D29/00F25D2600/02F25D2600/06
Inventor 邹涛键杜华东何汝龙郭瑞水刘继宗吴振宇
Owner GREE ELECTRIC APPLIANCES INC
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