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Refrigerating and freezing device

A technology of refrigerating and freezing device and throttling device, which is applied to household refrigeration devices, refrigerators, coolers, etc., can solve problems such as low refrigeration efficiency, improve efficiency, improve refrigeration cycle efficiency, and avoid condensation or frost. Effect

Pending Publication Date: 2022-07-29
QINGDAO HAIER SPECIAL REFRIGERATOR CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inventors have found that the refrigeration efficiency of the partial cascade compression refrigeration system in the prior art is low

Method used

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  • Refrigerating and freezing device
  • Refrigerating and freezing device
  • Refrigerating and freezing device

Examples

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Embodiment Construction

[0044] figure 1 It is a schematic diagram of a refrigerating and freezing apparatus according to an embodiment of the present invention. like figure 1 shown, and refer to Figure 2 to Figure 5 , the embodiment of the present invention provides a refrigerating and freezing device, and the refrigerating and freezing device may include a box body 20 and a refrigeration system. Wherein, a plurality of storage compartments are also formed in the box body 20 , and the storage compartments may include a first storage compartment 21 , a second storage compartment 22 and a third storage compartment 23 . In the refrigerating and freezing apparatus of this embodiment, one storage compartment, two storage compartments or three storage compartments may be formed in the box body 20 . A refrigeration system can be arranged in the box 20, and the refrigeration system includes a high temperature stage refrigeration cycle 30 and a low temperature stage refrigeration cycle 40, and the refrige...

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Abstract

The invention provides a refrigerating and freezing device. The refrigerating and freezing device comprises a high-temperature-stage refrigerating circulation loop and a low-temperature-stage refrigerating circulation loop. The high-temperature-stage refrigeration circulation loop comprises a first throttling device, a heat absorption pipe section and a first evaporator used for absorbing heat. The low-temperature-stage refrigeration cycle loop comprises a first low-temperature-stage condenser and a low-temperature-stage evaporator used for absorbing heat, and the first low-temperature-stage condenser is in thermal connection with the first evaporator; the heat absorption pipe section is arranged between an outlet of the first throttling device and an inlet of the first evaporator, or an inlet of the heat absorption pipe section is communicated with an outlet of the first evaporator; and the heat absorption pipe section is thermally connected with the first throttling device, so that a refrigerant flowing through the heat absorption pipe section exchanges heat with a refrigerant flowing through the first throttling device. The refrigerating and freezing device facilitates work of the whole refrigerating system, and the efficiency of the refrigerating and freezing device is improved.

Description

technical field [0001] The invention relates to the field of refrigeration storage, in particular to a refrigeration and freezing device. Background technique [0002] At present, the temperature range of the temperature-changing compartment of refrigerators on the market is mostly adjusted between 8-18 °C, and the overall design is relatively conventional. With the gradual improvement of people's living standards, such temperature-zone refrigerators can no longer meet everyone's needs. It is necessary to design high-end refrigerators with a wider temperature range and more complete functions that can meet more needs of users. Storage in glass state below -40°C is conducive to the maximum preservation of the nutritional value of food. There is a demand for ultra-low temperature compartments (-40 ~ -60°C) in the high-end user market. In order to improve user satisfaction, we should pay close attention to user experience. For this reason, a conventional cascade compression re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B7/00F25B41/40F25B39/00F25D11/02
CPCF25B7/00F25B39/00F25D11/022
Inventor 宋向鹏刘山山戚斐斐刘建如
Owner QINGDAO HAIER SPECIAL REFRIGERATOR CO LTD
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