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CN-121993968-A - Refrigerating appliance

CN121993968ACN 121993968 ACN121993968 ACN 121993968ACN-121993968-A

Abstract

The invention provides a refrigeration appliance. The refrigerator comprises a box body, a drawer, a door plate, a cooling channel, an air conditioning unit and an air conditioning channel, wherein the box body is provided with an open fresh-keeping chamber and a refrigerating cabin provided with a refrigerator, the drawer is movably contained in the fresh-keeping chamber and comprises a box body with an object taking opening and a cover plate for opening and closing the object taking opening, the door plate is connected with the box body and moves synchronously with the box body and seals the open mouth of the fresh-keeping chamber, the cooling channel is communicated with the refrigerating cabin and the fresh-keeping chamber so that cold air in the refrigerating cabin flows into the fresh-keeping chamber and out of the drawer, the air conditioning unit is arranged outside the fresh-keeping chamber and forms fresh-keeping atmosphere, and the air conditioning channel is communicated with the air conditioning unit and the interior of the drawer so that the fresh-keeping atmosphere can enter the interior of the drawer. Therefore, fresh-keeping atmosphere is supplied to the drawer, and cold air is supplied to the outside of the drawer, so that the temperature in the drawer and the fresh-keeping atmosphere are both taken into consideration, and an excellent food storage fresh-keeping effect is achieved.

Inventors

  • MA JIAN
  • Gou qian
  • ZHANG HAO
  • CHEN JIANQUAN
  • MIAO JIANLIN

Assignees

  • 青岛海尔电冰箱有限公司
  • 海尔智家股份有限公司

Dates

Publication Date
20260508
Application Date
20241108

Claims (16)

  1. 1. A refrigeration appliance, comprising: The box body is provided with a fresh-keeping chamber with an opening and a refrigerating cabin provided with a refrigerator; The drawer is movably accommodated in the fresh-keeping chamber and comprises a box body with an object taking opening and a cover plate for opening and closing the object taking opening; The door plate moves synchronously with the box body and seals the opening of the fresh-keeping chamber; The cooling channel is communicated with the refrigerating cabin and the fresh-keeping chamber so that cold air in the refrigerating cabin flows into the fresh-keeping chamber and out of the drawer; The air conditioning unit is arranged outside the fresh-keeping chamber and is used for forming fresh-keeping atmosphere; And the air-conditioning channel is communicated with the air-conditioning unit and the inside of the drawer so that fresh-keeping atmosphere can enter the inside of the drawer.
  2. 2. The refrigeration appliance according to claim 1, wherein the air conditioning unit is configured to consume oxygen in air to form an oxygen-depleted fresh-keeping atmosphere and/or to generate oxygen to form an oxygen-enriched fresh-keeping atmosphere; the air-conditioning channel is communicated with the air-conditioning unit and the inside of the drawer so that the oxygen-deficient fresh-keeping atmosphere or the oxygen-enriched fresh-keeping atmosphere can enter the inside of the drawer.
  3. 3. The refrigerator according to claim 2, wherein the modified atmosphere unit is an electrolytic modified atmosphere unit for forming a fresh-keeping atmosphere by electrochemical reaction, and comprises an anode, a cathode and an inner cavity for accommodating at least an electrolyte; One side of the cathode is exposed in the inner cavity, and the other side of the cathode is exposed in the air-conditioning channel, and the cathode is used for consuming oxygen in the air-conditioning channel through electrochemical reaction to form an oxygen-deficient fresh-keeping atmosphere; Or one or both sides of the anode are exposed to the inner cavity, the anode is used for generating oxygen in the inner cavity through electrochemical reaction to form an oxygen-enriched fresh-keeping atmosphere, and the air-conditioning channel is used for supplying the oxygen-enriched fresh-keeping atmosphere to the inside of the drawer.
  4. 4. The refrigerator according to claim 1, wherein the fresh food compartment is provided in a cylindrical configuration; the cooling channel is provided with an air inlet arranged on the fresh-keeping chamber; The refrigerator further comprises a diversion air channel corresponding to the air inlet for cold air to flow, and the diversion air channel is formed between the drawer and the fresh-keeping chamber and/or between the drawer and the door plate.
  5. 5. The refrigeration appliance according to claim 4, wherein said refrigeration appliance includes a temperature sensor mounted to said drawer and located outside said air conduction duct.
  6. 6. The refrigerator of claim 5, wherein the outer wall of the drawer is provided with a mounting groove and a coaming surrounding the mounting groove; The mounting groove is provided with a detection port communicated with the inside of the drawer; the temperature sensor is fixedly arranged in the mounting groove, and the detection end of the temperature sensor is positioned at the detection port; the coaming extends from the outer wall of the drawer to the inner wall of the fresh keeping chamber.
  7. 7. The refrigerator of claim 6, wherein said drawer further has an air-conditioning inlet communicating the interior and exterior of said drawer, said shroud further surrounding said air-conditioning inlet; The air-conditioning passage communicates to the interior of the drawer via the air-conditioning inlet.
  8. 8. The refrigeration appliance according to claim 7 wherein said air conditioning inlet is located on said cover plate; the air-conditioning channel comprises a pipe joint fixedly arranged on the fresh-keeping chamber, one end of the pipe joint is exposed to the outer wall of the fresh-keeping chamber, and the other end of the pipe joint is in up-and-down plug-in fit with the air-conditioning inlet.
  9. 9. The refrigerator of claim 8, wherein said cover is movably mounted to said fresh food compartment; When the box body is pulled out from the fresh-keeping chamber, the cover plate is hung in the fresh-keeping chamber.
  10. 10. The refrigerator of claim 4, wherein the outer wall of the drawer is provided with a plurality of flow guide ribs, the flow guide ribs defining at least part of the flow guide duct.
  11. 11. The refrigeration appliance according to claim 10, wherein the cover plate is provided with a ventilation window, and the ventilation window is communicated with the drawer interior and the diversion air duct; The ventilation window is sealed to be covered with a gas-blocking moisture-permeable membrane configured to supply water vapor into or out of the drawer in one direction.
  12. 12. The refrigeration appliance according to claim 10 wherein said cooling passage has an air inlet opening in said fresh food compartment, said air inlet opening being located in an upper portion of a rear wall of said fresh food compartment opposite said opening; the plurality of guide ribs comprise a first guide rib and a second guide rib which are arranged on the cover plate, and the first guide rib and the second guide rib are oppositely arranged left and right; the air guide channel comprises a first air guide channel formed between the first air guide rib and the second air guide rib, and the first air guide channel is opposite to the air inlet to guide cold air to flow forwards along the cover plate.
  13. 13. The refrigeration appliance according to claim 12 wherein said first and second ribs each extend from a rear edge of said cover plate to a front edge of said cover plate; The first diversion air duct comprises a relatively rear expansion section and a relatively front equal-width section, the expansion section gradually increases in width from front to back, and the equal-width section is constant in width from front to back.
  14. 14. The refrigeration appliance according to claim 12 wherein said air conduction path further comprises a second air conduction path formed between said drawer and said door panel.
  15. 15. The refrigeration appliance according to claim 1, wherein the refrigeration appliance includes an oxygen concentration sensor; The oxygen concentration sensor is arranged in the drawer and is used for detecting the oxygen concentration in the drawer.
  16. 16. The refrigerator according to claim 1, wherein the case includes a liner having a compartment enclosed therein, the fresh food compartment being installed in the compartment; the refrigerating appliance comprises a heat preservation piece and an air duct cover plate, the heat preservation piece surrounds the outer side of the fresh-keeping chamber, and the air duct cover plate is assembled at the rear wall of the inner container; The cooling channel is at least partially positioned between the air duct cover plate and the rear wall of the liner, and comprises an air inlet arranged on the fresh-keeping chamber, and cold air enters the fresh-keeping chamber through the air inlet.

Description

Refrigerating appliance Technical Field The invention relates to the technical field of household appliances, in particular to a refrigeration appliance. Background The basic principle of the modified atmosphere preservation technology is that in a certain closed space, a gas atmosphere different from air components is obtained by various regulation modes so as to inhibit physiological and biochemical processes and microbial activities which cause the spoilage of stored materials (usually food materials). Those skilled in the art will appreciate that the air composition comprises, by volume, about 78% nitrogen, about 21% oxygen, about 0.939% rare gas, 0.031% carbon dioxide, and 0.03% other gases and impurities, such as ozone, nitric oxide, nitrogen dioxide, water vapor, and the like. In the field of controlled atmosphere preservation, the closed space may be filled with an oxygen-deficient preservation atmosphere, for example, the volume percentage of oxygen contained in the closed space is less than 21%, or the closed space may be filled with an oxygen-enriched preservation atmosphere, for example, the volume percentage of oxygen contained in the closed space is greater than 21%. Meanwhile, in the refrigerator, in addition to the adjustment of the gas atmosphere, it is also necessary to control the temperature. However, the conventional refrigerator with the modified atmosphere preservation technology is difficult to achieve both temperature control and preservation atmosphere, and often causes severe fluctuation of the atmosphere in the aspect of preservation atmosphere due to temperature control. Disclosure of Invention The invention aims to provide a refrigeration appliance which not only has an air-conditioning fresh-keeping technology, but also can solve the problem of severe fluctuation of fresh-keeping gas atmosphere caused by temperature control. To achieve the above object, an embodiment provides a refrigeration appliance. The refrigeration appliance includes: The box body is provided with a fresh-keeping chamber with an opening and a refrigerating cabin provided with a refrigerator; The drawer is movably accommodated in the fresh-keeping chamber and comprises a box body with an object taking opening and a cover plate for opening and closing the object taking opening; The door plate moves synchronously with the box body and seals the opening of the fresh-keeping chamber; The cooling channel is communicated with the refrigerating cabin and the fresh-keeping chamber so that cold air in the refrigerating cabin flows into the fresh-keeping chamber and out of the drawer; the air conditioning unit is arranged outside the fresh-keeping chamber and forms fresh-keeping atmosphere; And the air-conditioning channel is communicated with the air-conditioning unit and the inside of the drawer so that fresh-keeping atmosphere can enter the inside of the drawer. Preferably, the air conditioning unit is used for consuming oxygen in the air to form an oxygen-deficient fresh-keeping atmosphere and/or generating oxygen to form an oxygen-enriched fresh-keeping atmosphere; the air-conditioning channel is communicated with the air-conditioning unit and the inside of the drawer so that the oxygen-deficient fresh-keeping atmosphere or the oxygen-enriched fresh-keeping atmosphere can enter the inside of the drawer. Preferably, the modified atmosphere unit is an electrolytic modified atmosphere unit for forming a fresh-keeping atmosphere through electrochemical reaction, and comprises an anode, a cathode and an inner cavity at least capable of containing electrolyte; One side of the cathode is exposed in the inner cavity, and the other side of the cathode is exposed in the air-conditioning channel, and the cathode is used for consuming oxygen in the air-conditioning channel through electrochemical reaction to form an oxygen-deficient fresh-keeping atmosphere; Or one or both sides of the anode are exposed to the inner cavity, the anode is used for generating oxygen in the inner cavity through electrochemical reaction to form an oxygen-enriched fresh-keeping atmosphere, and the air-conditioning channel is used for supplying the oxygen-enriched fresh-keeping atmosphere to the inside of the drawer. Preferably, the fresh food compartment is provided in a cylindrical configuration; the cooling channel is provided with an air inlet arranged on the fresh-keeping chamber; The refrigerator further comprises a diversion air channel corresponding to the air inlet for cold air to flow, and the diversion air channel is formed between the drawer and the fresh-keeping chamber and/or between the drawer and the door plate. Preferably, the refrigerator comprises a temperature sensor, and the temperature sensor is arranged on the drawer and is positioned outside the diversion air duct. Preferably, the outer wall of the drawer is provided with a mounting groove and a coaming surrounding the mounting groove; The mounting groove is provided with