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CN-121993952-A - Refrigerating apparatus

CN121993952ACN 121993952 ACN121993952 ACN 121993952ACN-121993952-A

Abstract

The invention discloses refrigeration equipment, which comprises a fresh-keeping room, a cold air supply channel, a drawer and a cover plate, wherein an interlayer air channel is formed between a door plate and a front cover of the drawer, a cold air cavity is formed between the cover plate and the upper wall of the fresh-keeping room, the cover plate comprises a moisture permeable module, cold air blown out from an air outlet is blown into the interlayer air channel downwards after being blown forward through the cold air cavity, the refrigeration equipment enables excessive moisture in the drawer to pass through the moisture permeable module and be taken away by air flow when the cold air is blown through the cover plate through the combined design of the moisture permeable module and the air channel during refrigeration of the drawer, so that the humidity in the drawer is effectively reduced, the air is blown forward from the rear direction of the cavity, and is blown downwards from the interlayer air channel in front, the upper surface of the whole cover plate can be a surface through which the cold air is blown out, the moisture permeable module can be arranged on the upper surface of the cover plate as much as possible, the cold air blown out from the air supply channel can be taken away when the cold air is used for refrigeration ingeniously, and the moisture can be cooled simultaneously, and the refrigeration and the humidity of a large area can be regulated, so that fresh-keeping effect of food material is preserved is improved.

Inventors

  • LIU YONGHAO
  • CHEN JIANQUAN
  • MIAO JIANLIN
  • LV PENG

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 (15)

  1. 1. A refrigeration appliance, comprising: The fresh-keeping compartment (10) comprises a cavity (111), wherein an opening (110) is formed in the front end of the cavity (111), and an air outlet (11) is formed in the rear of the cavity (111); The cooling air passage is communicated with the air outlet (11); The drawer (20) is accommodated in the cavity (111) through the opening (110), the drawer (20) comprises a door plate (21), a front cover (22) and an upward opening (210), and an interlayer air path (102) is formed between the door plate (21) and the front cover (22); The cover plate (30) is arranged in the cavity (111), the cover plate (30) is closed and located below the opening (210), a cold air cavity (101) is formed between the cover plate (30) and the upper wall (13) of the fresh-keeping compartment (10), the cover plate (30) comprises a moisture permeable module (31), the humidity difference is regulated by the inner cavity of the opening (210) and the cold air cavity (101) through the moisture permeable module (31), and cold air blown out by the air outlet (11) is blown forward through the cold air cavity (101) and then is blown downwards into the interlayer air path (102).
  2. 2. The refrigeration appliance according to claim 1, wherein the cover plate (30) further comprises a cover main body (32), a groove (321) is formed in the cover main body (32), and the moisture permeable module (31) is accommodated in the groove (321).
  3. 3. A refrigerating apparatus according to claim 2, wherein a plurality of air deflectors are provided on the cover main body (32), and the plurality of air deflectors guide cool air in a plurality of directions covering the moisture permeable module (31).
  4. 4. A refrigeration appliance according to claim 3, wherein the plurality of air deflectors enclose a left air duct (36), a right air duct (38) and a middle air duct (37), respectively, and the air output of the left air duct (36) and the air output of the right air duct (38) are substantially the same and are both greater than the air output of the middle air duct (37).
  5. 5. The refrigeration appliance according to claim 4, wherein the plurality of air deflectors includes a left air deflector (33), a right air deflector (35), and a plurality of intermediate air deflectors (34) surrounding the left air passage (36), the right air passage (38), and the intermediate air passage (37), and the distances between the left air deflector (33) and the intermediate air deflector (34), and the distances between the right air deflector (35) and the intermediate air deflector (34) each gradually increase in the airflow flowing direction.
  6. 6. The refrigeration appliance of claim 5, further comprising a temperature sensor (80), the temperature sensor (80) being disposed outside the cool air chamber (101).
  7. 7. The refrigeration appliance of claim 6, wherein the cooling air path includes an air outlet (51) for outputting air to the cool air chamber (101), and the temperature sensor (80) is disposed on a side of the cover plate (30) close to the air outlet (51).
  8. 8. A refrigeration appliance according to claim 3, wherein the rear end of the moisture permeable module (31) is immediately adjacent to the air deflector, and the distance between the front end of the moisture permeable module (31) and the front edge of the cover plate (30), the distance between the left end and the left edge of the cover plate (30), and the distance between the right end and the right edge of the cover plate (30) are all minimum distances under the condition that the structural strength is satisfied.
  9. 9. Refrigerating apparatus according to claim 1, characterized in that an air return opening (12) is arranged at the rear of the cavity (111), an air return cavity (103) is formed between a first bottom plate (23) of the drawer (20) and a second bottom plate (14) of the fresh-keeping compartment (10), the air return opening (12) faces the air return cavity (103), and air flow blown out from the air outlet (11) sequentially passes through the cold air cavity (101), the interlayer air path (102) and the air return cavity (103) to be blown to the air return opening (12).
  10. 10. A refrigeration appliance according to claim 9, further comprising a refrigerated compartment (40), the air within the refrigerated compartment (40) being blown through the interlayer air duct (102) and the return air cavity (103) towards the return air inlet (12); The refrigerating compartment (40) is located above the fresh-keeping compartment (10), and the air outlet (11) is located above the air return opening (12).
  11. 11. Refrigeration appliance according to claim 1, characterized in that the moisture permeable module (31) is provided as a salt solution or solid adsorbent or a washing gel or an electrolytic dehumidification module.
  12. 12. The refrigeration appliance of claim 1, further comprising a humidity sensor disposed on a side of the cover plate (30) facing the drawer (20); And regulating the wind speed in the cold air cavity (101) according to the humidity detected by the humidity sensor, wherein the humidity value is positively correlated with the change of the wind speed value.
  13. 13. Refrigeration appliance according to claim 1, characterized in that an oxygen-regulating flow is supplied inside the drawer (20), which oxygen-regulating flow makes the oxygen concentration inside the drawer (20) different from the oxygen concentration of the outside world.
  14. 14. The refrigeration appliance of claim 1, further comprising a first seal ring (60) and a second seal ring (70), wherein the space between the fresh food compartment (10) and the drawer (20) is sealed by the first seal ring (60), and wherein the drawer (20) and the cover plate (30) are sealed by the second seal ring (70).
  15. 15. The refrigeration appliance according to claim 1, wherein the fresh food compartment (10) comprises a plurality of hooks (15), the cover plate (30) comprises hooks (39) corresponding to the hooks (15), and the hooks (39) are hung on the hooks (15) to fix the cover plate (30) and the fresh food compartment (10) relatively.

Description

Refrigerating apparatus Technical Field The invention relates to the technical field of refrigeration and preservation, in particular to refrigeration equipment. Background On one hand, with the continuous improvement of food preservation demands of modern families, users put forward higher demands on the preservation environment of fresh food materials such as fresh vegetables, fresh meat and the like in household refrigerators. On the other hand, in the conventional refrigeration apparatus, direct cooling or simple cool air blowing is generally used to preserve the food, but moisture is precipitated during the preservation process of the food, and the moisture is easy to form frost or condensation on each wall surface of the refrigerator in a low-temperature environment, so that the user experience is reduced. Both of these current situations need to be addressed by controlling humidity. However, how to control the humidity adjusting effect of the refrigeration equipment and how to balance the relationship between refrigeration and humidity adjustment and equipment cost are all problems to be solved in refrigeration and preservation. For example, if the refrigerating effect is not guaranteed while humidity is regulated, or long-time regulation is needed to enable the humidity to reach a proper value, or high cost is needed to realize, the problem of humidity regulation cannot be well solved. Disclosure of Invention In order to solve the problem of how to control humidity in the prior art, the invention aims to provide refrigeration equipment which can effectively regulate humidity and has good refrigeration effect. To achieve the above object, an embodiment of the present invention provides a refrigeration apparatus including: the fresh-keeping compartment comprises a cavity, wherein the front end of the cavity is provided with an opening, and an air outlet is arranged at the rear of the cavity; the cooling air circuit is communicated with the air outlet; The drawer is accommodated in the cavity through the opening and comprises a door plate, a front cover and an upward opening, and an interlayer air path is formed between the door plate and the front cover; The cover plate is arranged in the cavity, the cover plate is closed to be located below the cavity, a cold air cavity is formed between the cover plate and the upper wall of the fresh-keeping compartment, the cover plate comprises a moisture permeable module, the humidity difference of the cavity and the cold air cavity is regulated through the moisture permeable module, and cold air blown out from the air outlet is blown forward through the cold air cavity and then is blown downwards into the interlayer air path. As a further improvement of the invention, the cover plate further comprises a cover main body, wherein a groove is arranged on the cover main body, and the moisture permeable module is accommodated in the groove. As a further improvement of the present invention, a plurality of air deflectors are provided on the cover body, and guide cool air in a plurality of directions covering the moisture permeable module. As a further improvement of the invention, the air deflectors respectively form a left air passage, a right air passage and a middle air passage, the air output of the left air passage and the air output of the right air passage are basically the same, and the air output of the left air passage and the air output of the right air passage are both larger than the air output of the middle air passage. As a further improvement of the invention, the plurality of air deflectors comprises a left air deflector, a right air deflector and a plurality of middle air deflectors, and the cold air cavity is surrounded among the left air deflector, the right air deflector, the cover plate and the upper wall; The left air channel is formed between the left air guide plate and one of the middle air guide plates, the right air guide plate and one of the middle air guide plates are formed between the right air guide plate and the middle air guide plate, the middle air guide plates extend in the front-back direction, the distance between the left air guide plate and the middle air guide plates is gradually increased along the airflow flowing direction, and the distance between the right air guide plate and the middle air guide plates is gradually increased along the airflow flowing direction. As a further improvement of the invention, the refrigeration equipment further comprises a temperature sensor, wherein the temperature sensor is arranged on one side of the cover plate facing the upper wall and is arranged outside the cold air cavity. As a further improvement of the invention, the cold air supply path comprises an air outlet hole for discharging air to the cold air cavity, and the temperature sensor is arranged on one side of the cover plate, which is close to the air outlet hole. As a further improvement of the invention, the rear end of the moist