CN-121993982-A - Drawer device, refrigerator and control method thereof

Abstract

The application discloses a drawer device, a refrigerator and a control method thereof, wherein the drawer device comprises a cabinet body and a drawer body, the cabinet body is enclosed to form a containing cavity with an opening at the front side, an air outlet, an air supply cavity and an air supply opening communicated with the air supply cavity are further arranged on the cabinet body, the air outlet and the air supply opening are both communicated with the containing cavity, the drawer body is provided with a containing groove for containing food materials, the drawer body is contained in the containing cavity and covers the opening, a ripening compartment and a fresh-keeping compartment are arranged in the containing groove at intervals, the air supply opening is used for blowing cold air into the containing groove, and the area of the air supply opening, which is blown into the ripening compartment, is larger than the area of the air supply opening which is blown into the fresh-keeping compartment. According to the technical scheme, the rapid cooling of the food in the drawer device can be realized, and meanwhile, the loss of moisture of the food can be reduced, so that the quality of the food can be kept for a long time.

Inventors

• BAI YING

Assignees

• 合肥美的电冰箱有限公司
• 合肥华凌股份有限公司
• 美的集团股份有限公司

Dates

Publication Date

20260508

Application Date

20241107

Claims (13)

1. 1. A drawer arrangement, comprising: The cabinet body is enclosed to form an accommodating cavity with an opening at the front side, an air outlet, an air supply cavity and an air supply opening communicated with the air supply cavity are also arranged on the cabinet body, the air outlet and the air supply opening are both communicated with the accommodating cavity, and The drawer body is provided with a containing groove for containing food materials, the drawer body is contained in the containing cavity and covers the opening, and a ripening room and a fresh-keeping room are arranged in the containing groove at intervals; the air supply opening is used for blowing cold air into the storage groove, and the area of the air supply opening, which is blown to the ripening chamber, is larger than that of the air supply opening, which is blown to the preservation chamber.
2. 2. The drawer apparatus of claim 1, wherein the air supply port includes a plurality of air supply holes, and the number of air supply holes to the ripening compartment is greater than the number of air supply holes to the fresh keeping compartment.
3. 3. The drawer apparatus of claim 2, wherein the plurality of air-sending holes corresponding to the ripening compartment and the plurality of air-sending holes corresponding to the preservation compartment are each arranged at intervals in the front-rear direction of the cabinet.
4. 4. A drawer apparatus as claimed in any one of claims 1 to 3, wherein the drawer body includes a main body portion in which the receiving groove is provided and an end cap connected to a front side of the main body portion, the end cap closing the opening in a state in which the main body portion is received in the receiving cavity; the air supply outlet is arranged on the top wall of the accommodating cavity, and the air outlet is arranged adjacent to the rear wall of the accommodating cavity.
5. 5. The drawer apparatus of claim 4, wherein the air supply opening is provided on a top wall of the accommodating chamber and is at least partially located above the ripening compartment; The air outlet is arranged on the side wall of the cavity at one side in the left-right direction of the accommodating cavity and is adjacent to the bottom wall of the accommodating cavity, or is arranged on the bottom wall of the accommodating cavity and is adjacent to the ripening compartment.
6. 6. The drawer apparatus of claim 4, wherein the cabinet includes a back plate opposite to the opening in a front-rear direction, an air inlet communicating with the air supply chamber is provided on the back plate, and the air inlet is provided on the back plate and is disposed adjacent to the ripening compartment.
7. 7. The drawer arrangement of claim 4, further comprising a gasket disposed on the end cap or the cabinet, the gasket disposed around the opening and sandwiched between the end cap and a periphery of the opening.
8. 8. The drawer apparatus of claim 1, further comprising a placement tray and a storage box, the placement tray being disposed at a bottom wall of the receiving cavity, an opening of the storage box being disposed toward a top wall of the receiving cavity, the placement tray and the storage box dividing the receiving slot into the ripening compartment and the fresh-keeping compartment.
9. 9. The drawer apparatus of claim 1, further comprising a sensor disposed on the cabinet and disposed apart from the air supply opening in an up-down direction, the sensor being configured to detect a temperature and a humidity in the receiving slot to generate a detection signal.
10. 10. The drawer apparatus of claim 9, wherein the sensor includes a humidity sensor, a first temperature sensor and a second temperature sensor disposed at a distance from each other, the humidity sensor and the first temperature sensor being disposed above the ripening compartment for detecting the humidity and the temperature of the ripening compartment, the second temperature sensor being disposed above the fresh keeping compartment for detecting the temperature of the fresh keeping compartment.
11. 11. A refrigerator, comprising: the box body is internally provided with a refrigeration compartment; The air supply pipeline is provided with an air outlet and an air return opening, and is communicated with the refrigeration compartment through the air outlet and used for conveying cold air to the refrigeration compartment; a circulating fan arranged in the box body and communicated with the air supply pipeline, and A drawer arrangement as claimed in any one of claims 1 to 10, disposed within the refrigeration compartment, with the air supply opening of the drawer arrangement in communication with the air outlet opening and the air outlet opening of the drawer arrangement in communication with the return air opening.
12. 12. The control method of the refrigerator is characterized by comprising a humidity control step and a temperature control step, wherein the humidity control step comprises the following steps of: S11, acquiring the current air humidity of a ripening compartment of the drawer device; s12, if the current air humidity is in a preset humidity interval, controlling the air outlet to be in an open state, and jumping to a temperature control step; S13, if the current air humidity is greater than the upper limit value of the preset humidity interval, controlling the air outlet to be kept in an open state, and controlling the rotation speed of the circulating fan to be increased; S14, if the current air humidity is smaller than the lower limit value of the preset humidity interval, controlling the air outlet to be closed; the temperature control step includes: s21, acquiring a first current temperature of the ripening chamber; S22, if the first current temperature is greater than a first preset temperature, controlling the air outlet to keep in an open state continuously, and executing a step S23 until the first current temperature is equal to the first preset temperature; s23, if the first current temperature of the ripening compartment is smaller than or equal to a first preset temperature, obtaining a second current temperature of the fresh-keeping compartment of the drawer device; And S24, if the second current temperature is smaller than a second preset temperature, controlling the air outlet to be closed, and jumping to the humidity control step, wherein the second preset temperature is lower than the first preset temperature.
13. 13. The control method of a refrigerator as claimed in claim 12, wherein the lower limit value of the preset humidity interval is 60%, the upper limit value of the preset humidity interval is 75%, the first preset temperature is 0 ℃, and the second preset temperature is-1 ℃.

Description

Drawer device, refrigerator and control method thereof Technical Field The application relates to the technical field of refrigerators, in particular to a drawer device, a refrigerator and a control method thereof. Background In some application scenarios, the refrigerator can realize ripening and fresh-keeping of meat food materials by designing the drawer to form a relatively independent storage space. In the related art, when the drawer cools the food materials in the drawer, cold air is blown into the drawer generally, and the cold air is directly blown to the surface of the food materials. After the cold air enters the drawer, the refrigerating capacity of each part in the drawer is large, so that the area for fresh keeping in the drawer is directly blown by a large amount of cold air, and a large amount of moisture contained in food materials can be taken away in the refrigerating process, so that the quality of the food materials is reduced. Disclosure of Invention The embodiment of the application provides a drawer device, a refrigerator and a control method thereof, which can realize rapid cooling of food materials in the drawer device, and simultaneously can reduce loss of moisture of the food materials so as to maintain the quality of the food materials for a long time. The embodiment of the application provides a drawer device, which comprises a cabinet body and a drawer body, wherein the cabinet body is enclosed to form a containing cavity with an opening at the front side, an air outlet, an air supply cavity and an air supply opening communicated with the air supply cavity are further formed in the cabinet body, the air outlet and the air supply opening are both communicated with the containing cavity, the drawer body is provided with a containing groove for containing food materials, the drawer body is contained in the containing cavity and covers the opening, a ripening compartment and a fresh-keeping compartment are arranged in the containing groove at intervals, the air supply opening is used for blowing cold air into the containing groove, and the area of the air supply opening, which is blown into the ripening compartment, is larger than the area of the air supply opening which is blown into the fresh-keeping compartment. In some embodiments, the air supply port comprises a plurality of air supply holes, and the number of the air supply holes which are blown to the ripening chamber is more than the number of the air supply holes which are blown to the preservation chamber. In some embodiments, the plurality of air-sending holes corresponding to the ripening compartment and the plurality of air-sending holes corresponding to the fresh-keeping compartment are all arranged at intervals along the front-back direction of the cabinet body. In some embodiments, the drawer body includes a main body portion and an end cover connected to a front side of the main body portion, the main body portion is provided with the storage groove therein, and the end cover covers the opening in a state that the main body portion is stored in the storage cavity; the air supply outlet is arranged on the top wall of the accommodating cavity, and the air outlet is arranged adjacent to the rear wall of the accommodating cavity. In some embodiments, the air supply port is arranged on the top wall of the accommodating cavity and is at least partially positioned above the ripening compartment; The air outlet is arranged on the side wall of the cavity at one side in the left-right direction of the accommodating cavity and is adjacent to the bottom wall of the accommodating cavity, or is arranged on the bottom wall of the accommodating cavity and is adjacent to the ripening compartment. In some embodiments, the cabinet body comprises a back plate opposite to the opening in the front-rear direction, an air inlet communicated with the air supply cavity is arranged on the back plate, and the air inlet is arranged on the back plate and is adjacent to the ripening compartment. In some of these embodiments, a gasket is provided on the end cap or the cabinet, the gasket being provided around the opening and being clamped between the end cap and a periphery of the opening. In some embodiments, the device further comprises a placing tray and a storage box, wherein the placing tray is arranged on the bottom wall of the accommodating cavity, the opening of the storage box is arranged towards the top wall of the accommodating cavity, and the placing tray and the storage box divide the accommodating groove into the ripening compartment and the fresh-keeping compartment. In some embodiments, the cabinet further comprises a sensor, wherein the sensor is arranged on the cabinet body and is arranged at the air supply outlet in an up-down direction, and the sensor is used for detecting the temperature and the humidity in the storage groove so as to generate detection signals. In some embodiments, the sensor includes a humidity sensor, a f