CN217357728U - Refrigerator with a door - Google Patents

Abstract

The utility model relates to a refrigerator, this refrigerator includes: the device comprises a box body, a thawing chamber, a fan, a first heating device and a second heating device, wherein the thawing chamber is arranged in the box body; the circulating air duct is arranged in the thawing chamber and communicated with the interior of the thawing chamber; the fan is arranged in the circulating air duct so as to enable the circulating air duct and the unfreezing chamber to form air circulation; the first heating device is arranged in the circulating air duct and used for heating air in the circulating air duct so as to form hot air in the circulating air duct, the hot air is blown to the interior of the thawing chamber through the circulating air duct, the air in the thawing chamber returns to the circulating air duct again and is heated by the first heating device again, hot air circulation can be formed in the thawing chamber and the circulating air duct, and the temperature of the air in the thawing chamber is continuously increased; the second heating device is arranged at the bottom of the unfreezing chamber and used for heating the bottom area of the unfreezing chamber, so that the temperature in the unfreezing chamber is further increased, the unfreezing efficiency of food materials in the unfreezing chamber is effectively increased, and the unfreezing performance of the refrigerator is improved.

Description

Refrigerator with a door

Technical Field

The utility model relates to a refrigeration plant technical field, in particular to refrigerator.

Background

In daily life, food materials taken out of a refrigerator are thawed by heat transfer, and a long time is often required for completion. If the food materials are placed for a long time, the problems of juice loss, non-freshness, deterioration and the like exist.

At present, the common thawing modes of the refrigerator in use include natural thawing of a refrigerating chamber, natural thawing at normal temperature, thawing by soaking in water, and the like. The refrigerating chamber has long unfreezing time and is easy to cause tainting of odor; the natural thawing time at normal temperature is long, and the sanitary safety is poor; the blood water loss is easily caused by water soaking and unfreezing. Therefore, the thawing effect of the thawing technology of the existing refrigerator is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a refrigerator to optimize the function of unfreezing of refrigerator among the correlation technique, promote the performance of unfreezing of refrigerator.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to an aspect of the present invention, the utility model provides a refrigerator, this refrigerator includes: a box body; the thawing chamber is arranged in the box body; the circulating air duct is arranged in the unfreezing chamber and communicated with the interior of the unfreezing chamber; the fan is arranged in the circulating air duct and used for providing wind power so as to enable the circulating air duct and the unfreezing chamber to form wind circulation; the first heating device is arranged in the circulating air duct and is used for heating the air in the circulating air duct; and the second heating device is arranged at the bottom of the thawing chamber and is used for heating the bottom area of the thawing chamber.

In some embodiments of the present application, the circulation duct is disposed at the top of the thawing chamber; a plurality of vent holes are formed in the peripheral side of the circulating air duct and communicated with peripheral side areas in the unfreezing chamber; the bottom of the circulating air duct is provided with a mounting opening which is communicated with a central area in the unfreezing chamber; the fan is installed in installing port department.

In some embodiments of the present application, the fan is an axial flow fan, and the axial flow fan is used for conveying air in the circulating air duct into the defrosting chamber; or the fan is a centrifugal fan, and the centrifugal fan is used for conveying the air in the thawing chamber into the circulating air duct.

In some embodiments of the present application, the first heating device is attached to an inner top wall of the circulating air duct.

In some embodiments of this application, the refrigerator includes the wind channel shell, the top surface opening of wind channel shell, the wind channel shell is fixed on the interior roof of thawing chamber, just the wind channel shell with the interior roof of thawing chamber encloses to close and forms circulation wind channel.

In some embodiments of the present application, the thawing chamber includes a drawer outer frame and a thawing drawer disposed in the drawer outer frame; the drawer outer frame is arranged in the box body, and the front side of the drawer outer frame is open; the top of the unfreezing drawer is provided with an opening, and the unfreezing drawer is arranged in the drawer outer frame in a push-and-pull manner through the front opening of the drawer outer frame; the circulating air duct is arranged on the inner top wall of the drawer outer frame.

In some embodiments of the present application, the second heating device is disposed on the inner bottom wall of the outer frame of the drawer and faces the bottom of the defrosting drawer.

In some embodiments of the present application, a plurality of heat conduction holes are formed at the bottom of the thawing drawer, and the heat conduction holes communicate the inside of the thawing drawer and the lower side of the thawing drawer; the heat generated by the second heating device can be transmitted to the interior of the defrosting drawer through the heat conduction hole.

In some embodiments of this application, the built-in box that unfreezes that is equipped with of drawer unfreezes, the box that unfreezes sets up movably the interior bottom of drawer unfreezes, the box that unfreezes adopts heat conduction metal material.

In some embodiments of this application, be equipped with degerming odor purification module in the drawer unfreezes, degerming odor purification module locates the upper portion region of the inside wall of drawer unfreezes, just degerming odor purification module is located the upside of box unfreezes.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

the utility model discloses in the refrigerator, unfreeze the edible material through the room that unfreezes, utilize indoor circulation wind channel and the indoor inner space cooperation of unfreezing, utilize the fan to produce wind-force, form the wind cycle at the indoor of unfreezing, wherein, utilize first heating device to produce the heat, and then form hot-blast in the circulation wind channel, hot-blast blows to the indoor portion of unfreezing through the circulation wind channel, the indoor air of unfreezing gets back to in the circulation wind channel again, heat through first heating device again, and then can form heated air circulation in unfreezing room and circulation wind channel, constantly improve the indoor air temperature that unfreezes, utilize the bottom region of second heating device heating unfreezing room simultaneously, further improve the indoor temperature that unfreezes, and then improve the indoor efficiency of unfreezing effectively, and then promote the unfreezing performance of refrigerator edible material.

Drawings

Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the inside of the refrigerator of fig. 1.

Fig. 3 is a schematic structural view of the thawing chamber in fig. 2.

Fig. 4 is a sectional view a-a in fig. 3.

Fig. 5 is a cross-sectional view a-a of fig. 3 in another embodiment.

Fig. 6 is a schematic structural view of the air duct of fig. 4.

Fig. 7 is a schematic view of a configuration of the stroke cycle of fig. 4.

Fig. 8 is another schematic illustration of the stroke cycle of fig. 4.

Fig. 9 is a schematic structural view of the thawing box of fig. 4.

FIG. 10 is a schematic view of the structure of the thaw drawer of FIG. 4.

The reference numerals are explained below: 1. a box body; 10. a refrigeration compartment; 11. a tank liner; 12. a door body; 2. a thawing chamber; 21. a drawer outer frame; 210. an operation panel; 211. a top plate; 212. a base plate; 213. a rear side plate; 214. a first heat-insulating plate; 215. a second insulation board; 216. a third insulation board; 217. a seal ring; 218. a refrigerating air port; 219. a refrigeration air return opening; 22. unfreezing the drawer; 221. a heat conduction hole; 23. a thawing box; 24. a sterilization and deodorization module; 25. an infrared sensor; 26. a temperature sensor; 3. a circulating air duct; 31. an air duct shell; 32. a vent hole; 33. a fan; 4. a first heating device; 5. a second heating device.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

At present, the common thawing modes of the refrigerator in use include natural thawing of a refrigerating chamber, natural thawing at normal temperature, thawing by soaking in water, and the like. The refrigerating chamber has long unfreezing time and is easy to cause tainting of odor; the natural thawing time at normal temperature is long, and the sanitary safety is poor; blood water loss is easily caused by water soaking and unfreezing. Therefore, the thawing effect of the thawing technology of the existing refrigerator is not good.

For convenience of description, unless otherwise specified, the directions of the upper, the lower, the left, the right, the front and the rear are all referred to herein as the state of the refrigerator when in use, the door body of the refrigerator is front, the opposite direction is rear, and the vertical direction is up and down.

Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention. Fig. 2 is a schematic view of the structure of the inside of the refrigerator of fig. 1. Fig. 3 is a schematic structural view of the thawing chamber 2 in fig. 2.

Referring to fig. 1 to 3, a refrigerator according to an embodiment of the present invention mainly includes a box 1 and a thawing chamber 2 disposed in the box 1.

The box body 1 adopts a cuboid hollow structure. It will be appreciated that the tank 1 may also be of hollow shell construction of other shapes.

A plurality of mutually separated refrigerating compartments 10 can be arranged in the box body 1, and each separated refrigerating compartment 10 can be used as an independent storage space, such as a freezing chamber, a refrigerating chamber, a temperature changing chamber and the like, so as to meet different refrigerating requirements of freezing, refrigerating, temperature changing and the like according to different food materials and store the food materials. The multiple refrigerating compartments 10 may be arranged to be spaced apart vertically or to be spaced apart left and right.

A box container 11 is arranged in the box body 1, and a refrigerating chamber 10 is formed in the box container 11. It can be understood that a plurality of container containers 11 can be arranged in the box body 1, and one or more refrigerating compartments 10 can be formed in each container 11.

The front side of the box body 1 is provided with a door body 12, and the door body 12 is used for opening and closing the refrigerating chamber 10. The door body 12 and the refrigerator body 1 can be connected through a hinge, so that the door body 12 of the refrigerator can rotate around the axis, the door body 12 of the refrigerator is opened and closed, and the corresponding refrigerating chamber 10 is opened and closed. It is understood that the door 12 may be provided in plurality and in one-to-one correspondence with the refrigeration compartments 10. A plurality of door bodies 12 can also open and close one refrigerating compartment 10 at the same time.

Referring to fig. 2 and 3, the thawing chamber 2 is disposed in the inner container 11, that is, the thawing chamber 2 is disposed in the refrigerating compartment 10. The inside of the thawing chamber 2 is provided with a closed space, and the closed space inside the thawing chamber 2 is isolated from the outside of the box body 1. The space inside the thawing chamber 2 is used for both storing food materials at a low temperature and directly thawing the food materials inside the thawing chamber 2. The thawing chamber 2 is hermetically provided in the refrigerating compartment 10, and therefore the thawing chamber 2 is thermally isolated from other storage spaces in the refrigerating compartment 10.

It should be noted that, in some other embodiments, the thawing chamber 2 may be disposed outside the inner container 11 and separately disposed in the box body 1.

Fig. 4 is a sectional view a-a in fig. 3. Fig. 5 is a cross-sectional view a-a of fig. 3 in another embodiment.

Referring to fig. 3 to 5, in some embodiments, the thawing chamber 2 includes a drawer outer frame 21 and a thawing drawer 22 disposed in the drawer outer frame 21. The drawer outer frame 21 is a rectangular frame structure with an open front side. The defrosting drawer 22 is placed in the drawer frame 21 so as to be slidable, and can close the front opening of the drawer frame 21, thereby forming a storage space inside and outside the drawer frame 21 and the defrosting drawer 22.

In some embodiments, the drawer outer frame 21 includes a top plate 211, a bottom plate 212, a left side plate (not shown), a right side plate (not shown), and a rear side plate 213, which are detachably connected as a whole. The top plate 211 serves as a top side wall of the drawer outer frame 21, the bottom plate 212 serves as a bottom support wall of the drawer outer frame 21, the left side plate and the right side plate serve as left and right side walls of the drawer outer frame 21, and the rear side plate 213 serves as a rear side wall of the drawer outer frame 21, so that the drawer outer frame 21 forms a rectangular frame structure with an open front side.

The drawer outer frame 21 may be detachably provided in the first tank container 11, or one or more of the top plate 211, the bottom plate 212, the left side plate, the right side plate, and the rear side plate 213 of the drawer outer frame 21 may be integrally formed in the first tank container 11.

Fig. 6 is a schematic structural view of the air duct of fig. 4.

Referring to fig. 4 to 6, the circulation duct 3 is disposed in the thawing chamber 2, and the circulation duct 3 is used for generating hot air in the thawing chamber 2 and forming hot air circulation with the inner space of the thawing chamber 2, thereby realizing a direct thawing function of the food materials in the thawing chamber 2. Therefore, the food can be thawed directly in the thawing chamber 2 without taking out the thawing chamber 2.

In some embodiments, an air duct case 31 is provided in the drawer outer frame 21, and a top surface of the air duct case 31 is opened. The duct case 31 is fixed to an inner top wall of the drawer outer frame 21, that is, the duct case 31 is fixed to a lower side of the top plate 211. The air duct shell 31 and the inner top wall of the thawing chamber 2 enclose to form a circulating air duct 3, and at this time, the top plate 211 seals the top opening of the air duct shell 31.

In some embodiments, two sets of ventilation holes 32 are provided at two opposite ends of the peripheral side of the air duct shell 31, and each set of ventilation holes 32 includes a plurality of ventilation holes 32 in the form of an elongated strip. The circulation duct 3 is configured such that the inside of the circulation duct 3 can communicate with the internal space of the thawing chamber 2 through the vent hole 32, and the vent hole 32 faces the peripheral side region of the thawing chamber 2, so that the circulation duct 3 can communicate with the peripheral side region of the thawing chamber 2 through the vent hole 32. The air in the circulating air duct 3 can be delivered to the interior of the thawing chamber 2 through the two sets of ventilation holes 32, or the air in the thawing chamber 2 can be delivered to the circulating air duct 3 through the two sets of ventilation holes 32.

It should be noted that in some other embodiments, the air in the circulating air duct 3 may be delivered to the inside of the thawing chamber 2 through one set of the vents 32, and the air in the thawing chamber 2 may be delivered back to the circulating air duct 3 through the other set of the vents 32, so as to form an air circulation.

In some embodiments, two sets of ventilation holes 32 are respectively formed on the side walls of the front and rear ends of the air duct case 31, so that the space areas of the front and rear ends of the thawing chamber 2 can be respectively communicated with the inside of the circulating air duct 3 through the two sets of ventilation holes 32. It should be noted that, in some other embodiments, two sets of ventilation holes 32 are respectively disposed on the left and right side walls of the air duct shell 31, or three, four or more sets of ventilation holes 32 are disposed on the peripheral side wall of the air duct shell 31.

In some embodiments, the bottom of the circulating air duct 3 is provided with a mounting opening through which the circulating air duct 3 communicates with the central region inside the thawing chamber 2. The fan 33 is installed at the installation opening, and the fan 33 is used for providing wind power so that the air in the circulating air duct 3 can be conveyed to the inside of the thawing chamber 2 through the installation opening, or the air in the thawing chamber 2 is conveyed to the inside of the circulating air duct 3 through the installation opening.

It should be noted that, in some other embodiments, the fan 33 may also be disposed inside the circulating air duct 3, the bottom of the circulating air duct 3 is not provided with a mounting opening, the fan 33 is matched with the two sets of ventilation holes 32, one set of ventilation holes 32 is used as an air inlet, and the other set of ventilation holes 32 is used as an air outlet, so as to realize air circulation inside the circulating air duct 3 and the thawing chamber 2.

Fig. 7 is a schematic view of a configuration of the stroke cycle of fig. 4.

Referring to fig. 7, in some embodiments, the fan 33 is an axial flow fan, an air inlet side of the axial flow fan faces the circulating air duct 3, and an air outlet side of the axial flow fan faces the inside of the thawing chamber 2. Therefore, the axial flow fan can be used for conveying the air in the circulating air duct 3 to the central area of the thawing chamber 2 through the mounting port, and the air in the inner peripheral area or the front and rear areas of the thawing chamber 2 respectively enters the circulating air duct 3 through the two groups of vent holes 32.

Fig. 8 is another schematic illustration of the stroke cycle of fig. 4.

Referring to fig. 8, in some embodiments, the fan 33 is a centrifugal fan, an air inlet side of the centrifugal fan faces the inside of the thawing chamber 2, and an air outlet side of the centrifugal fan faces the circulating air duct 3. Therefore, the centrifugal fan can be used for conveying the air in the central area of the thawing chamber 2 into the circulating air duct 3 through the mounting port, and the air in the circulating air duct 3 enters the inner peripheral area or the front and rear areas of the thawing chamber 2 through the two groups of vent holes 32.

Referring to fig. 4 to 8, in some embodiments, the first heating device 4 is disposed on the inner top wall of the circulating air duct 3, that is, the first heating device 4 is disposed on the inner top wall of the drawer outer frame 21. The first heating device 4 may adopt a heating wire, and the first heating device 4 is used for heating the air in the circulating air duct 3 to generate hot air in the circulating air duct 3. Therefore, when the fan 33 is started, the hot air in the circulation duct 3 can circulate in the circulation duct 3 and the thawing chamber 2 due to the wind power supplied from the fan 33. The hot-blast internal space that blows to thawing room 2 from circulation wind channel 3, in the air in thawing room 2 internal space can get back to circulation wind channel 3, and then constantly improves the temperature of thawing room 2's internal space, realizes the direct function of thawing of eating the material in thawing room 2.

It should be noted that in other embodiments, the first heating device 4 may also be disposed on the bottom surface or other side walls in the circulating air duct 3.

Referring to fig. 4 to 8, in some embodiments, a first heat insulation plate 214 is disposed on a lower side of an inner top wall of the drawer outer frame 21, and the first heating device 4 is attached to a bottom surface of the first heat insulation plate 214, that is, the first heat insulation plate 214 is disposed between the top plate 211 of the drawer outer frame 21 and the first heating device 4. The first heat insulation plate 214 can realize heat insulation to prevent the heat generated by the first heating device 4 from affecting the space on the upper side of the thawing chamber 2.

Referring to fig. 4 to 8, in some embodiments, the second heating device 5 is disposed on the inner bottom surface of the drawer outer frame 21. The second heating means 5 may also employ heating wires, the second heating means 5 being for heating the air in the bottom region of the thawing chamber 2. When the thawing drawer 22 completely extends into the drawer outer frame 21, the top area of the thawing drawer 22 can be heated by the heat generated by the second heating device 5, so that the food inside the thawing drawer 22 is heated, and the thawing efficiency of the food material in the thawing chamber 2 is improved.

Referring to fig. 4 to fig. 8, in some embodiments, a second insulation board 215 is disposed on a lower side of the bottom plate 212 of the drawer outer frame 21, that is, the second insulation board 215 is disposed on a side of the bottom plate 212 of the drawer outer frame 21, which faces away from the second heating device 5. The second insulation board 215 can realize insulation, and the heat generated by the second heating device 5 is prevented from affecting the space below the thawing chamber 2.

It should be noted that, in some other embodiments, the second heat-insulating board 215 may also be disposed above the bottom plate 212 of the drawer outer frame 21, that is, the second heat-insulating board 215 may also be disposed between the bottom plate 212 of the drawer outer frame 21 and the second heating device 5.

Referring to fig. 4 to 8, in some embodiments, a third insulation board 216 is disposed on a front side of the rear side plate 213 of the drawer outer frame 21, and the third insulation board 216 can realize insulation to prevent heat in the thawing chamber 2 from affecting a space behind the thawing chamber 2.

It should be noted that, in some other embodiments, a fourth heat-insulating plate (not shown) and a fifth heat-insulating plate (not shown) are respectively disposed on the left side plate and the right side plate of the drawer outer frame 21. The fourth thermal insulation board and the fifth thermal insulation board can be used for realizing thermal insulation, and the influence of heat in the thawing chamber 2 on the spaces on the left side and the right side of the thawing chamber 2 is avoided.

Referring to fig. 4 to 8, in some embodiments, a sixth thermal insulation board (not shown) is disposed in the front side wall of the thawing drawer 22, and the sixth thermal insulation board can be used for thermal insulation to prevent heat outside the front side of the refrigerator from affecting the space in the thawing chamber 2.

Referring to fig. 4 to 8, in some embodiments, a sealing ring 217 is disposed around the opening of the front end of the drawer outer frame 21. When the thawing drawer 22 completely extends into the drawer outer frame 21, the sealing ring 217 can be clamped between the drawer outer frame 21 and the thawing drawer 22, and the gap between the drawer outer frame 21 and the thawing drawer 22 is sealed, so that the inside and outside of the thawing chamber 2 are isolated, and the heat loss in the thawing process is avoided.

Fig. 9 is a schematic structural view of the thawing box 23 in fig. 4.

Referring to fig. 4 to 9, in some embodiments, a thawing box 23 is installed in the thawing drawer 22, and the thawing box 23 is used for placing food. Unfreezing box 23 sets up at the interior bottom of drawer 22 that unfreezes movably, and box 23 that unfreezes adopts heat conduction metal material for box 23 inside can express delivery heat fast unfreezes. Along with constantly rising of temperature in the thawing chamber 2, the temperature of box 23 that unfreezes also risees thereupon, can carry out the parcel formula to unfreezing to the edible material in the box 23 that unfreezes, shortens the thawing time effectively, and then is favorable to promoting the efficiency of unfreezing of edible material in the box 23 that unfreezes.

Fig. 10 is a schematic view of the structure of the defrosting drawer 22 in fig. 4.

Referring to fig. 4 to 10, in some embodiments, the bottom of the defrosting drawer 22 is provided with a plurality of heat conduction holes 221, and the heat conduction holes 221 penetrate through the bottom surface of the defrosting drawer 22, so that the heat conduction holes 221 can communicate with the inside of the defrosting drawer 22 and the space below the defrosting drawer 22. The heat generated by the second heating device 5 can be transferred to the interior of the thawing drawer 22 through the heat conduction hole 221, so that the thawing efficiency of the food material in the thawing drawer 22 can be further improved. The heat conduction holes 221 may be long holes, square holes, or round holes, and the like, which are not limited herein.

Referring to fig. 7 and 8, it should be noted that when the circulating air duct 3 operates, the hot air at the bottom of the thawing chamber 2 can enter the interior of the thawing drawer 22 through the heat conduction hole 221, so as to improve the thawing efficiency of the food material in the thawing drawer 22.

Referring to fig. 4 and 5, in some embodiments, a cooling air port 218 is formed on the rear side plate 213 of the drawer outer frame 21, and the cold air in the refrigerator can be blown into the thawing chamber 2 and into the interior of the thawing drawer 22 through the cooling air port 218. When the circulation duct 3 does not work, the cold air generated by the refrigeration system in the refrigerator can be used to store the food in the thawing chamber 2 at a low temperature through the refrigeration air inlet 218, so as to realize the function of storing the food in the thawing chamber 2 at a low temperature.

It should be noted that in other embodiments, the cooling air opening 218 may be disposed on other side walls of the drawer outer frame 21.

Referring to fig. 4 and 5, in some embodiments, a cooling air return opening 219 is disposed on the bottom plate 212 of the drawer outer frame 21. The air in the thawing chamber 2 can also leave the thawing chamber 2 through the refrigerated return air opening 219. Therefore, the refrigeration air inlet 218 is matched with the refrigeration air return 219, and the refrigeration function of the thawing chamber 2 can be effectively realized. In addition, when the circulating air duct 3 works to unfreeze the food materials in the unfreezing chamber 2, the refrigerating air inlet 218 and the refrigerating air return 219 can be both closed, so that the smooth air circulation in the unfreezing chamber 2 is effectively ensured.

Referring to fig. 4 to 8, in some embodiments, the defrosting drawer 22 is provided with a sterilizing and deodorizing module 24, the sterilizing and deodorizing module 24 is provided at an upper region of an inner sidewall of the defrosting drawer 22, and the sterilizing and deodorizing module 24 is located at an upper side of the defrosting box 23. The degerming odor purification module 24 is used for degerming and purifying the inside of the unfreezing drawer 22 in the unfreezing process or after the unfreezing is completed, so that the odor generated in the unfreezing process is prevented from entering other areas of the refrigerator through the refrigeration air return opening 219, and the odor in the refrigerator is effectively prevented from being mixed due to unfreezing.

Referring to fig. 4, in some embodiments, an infrared sensor 25 is disposed at the bottom of the circulating air duct 3, and the infrared sensor 25 is disposed at one side of the fan 33, that is, the infrared sensor 25 is disposed at the central region of the thawing chamber 2, so that the infrared sensor 25 can detect the temperature of the food material in the thawing drawer 22, and thus the operation of the fan 33, the first heating device 4 and the second heating device 5 can be intelligently controlled, and the thawing efficiency in the thawing drawer 22 can be further controlled.

Referring to fig. 5, in other embodiments, one or more temperature sensors 26 are disposed at the bottom of the thawing drawer 22, the temperature sensor 26 is disposed at a position at the bottom of the thawing drawer 22 close to the thawing box 23, and the temperature sensors 26 are uniformly arranged and simultaneously function to prevent uneven temperature sensing caused by an unfixed position for placing food materials by a user. The temperature sensor 26 can detect the temperature of the air in the thawing chamber 2, thereby intelligently controlling the operation of the blower 33, the first heating device 4 and the second heating device 5, and further controlling the thawing efficiency in the thawing drawer 22.

Referring to fig. 4 to 8, in some embodiments, an operation panel 210 is disposed on a top surface of the drawer outer frame 21, and one or more control buttons are disposed on the operation panel 210, and the one or more control buttons can be used to control and adjust a thawing or cooling function in the thawing chamber 2. Specifically, the plurality of control buttons may respectively control whether the blower 33, the first heating device 4, the second heating device 5, and the cooling air port 218 are operated, and the like.

Based on the technical scheme, the embodiment of the utility model provides an at least, following advantage and positive effect have:

in the refrigerator of the embodiment of the utility model, the food material is unfrozen through the unfreezing chamber 2, the circulating air duct 3 in the unfreezing chamber 2 is matched with the inner space of the unfreezing chamber 2, the fan 33 is used for generating wind power, wind circulation is formed in the unfreezing chamber 2, wherein, the first heating device 4 is used for generating heat, hot air is further formed in the circulating air duct 3, the hot air is blown to the inside of the thawing chamber 2 through the circulating air duct 3, the air in the thawing chamber 2 returns to the circulating air duct 3 again and is heated by the first heating device 4 again, thereby forming hot air circulation in the thawing chamber 2 and the circulating air duct 3, continuously increasing the air temperature in the thawing chamber 2, at the same time, the bottom area of the thawing chamber 2 is heated by the second heating device 5, the temperature in the thawing chamber 2 is further increased, thereby effectively improving the unfreezing efficiency of the food materials in the unfreezing chamber 2 and further improving the unfreezing performance of the refrigerator.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. A refrigerator, characterized by comprising:

a box body;

the unfreezing chamber is arranged in the box body;

the circulating air duct is arranged in the unfreezing chamber and communicated with the interior of the unfreezing chamber;

the fan is arranged in the circulating air duct and used for providing wind power so as to enable the circulating air duct and the unfreezing chamber to form wind circulation;

the first heating device is arranged in the circulating air duct and is used for heating the air in the circulating air duct;

and the second heating device is arranged at the bottom of the thawing chamber and is used for heating the bottom area of the thawing chamber.

2. The refrigerator as claimed in claim 1, wherein the circulation duct is provided at a top of the thawing chamber; a plurality of vent holes are formed in the peripheral side of the circulating air duct and communicated with peripheral side areas in the unfreezing chamber; the bottom of the circulating air duct is provided with a mounting opening which is communicated with a central area in the unfreezing chamber; the fan is installed in installing port department.

3. The refrigerator as claimed in claim 2, wherein the fan is an axial flow fan for delivering air in the circulation duct into the thawing chamber; or the fan is a centrifugal fan, and the centrifugal fan is used for conveying the air in the thawing chamber into the circulating air duct.

4. The refrigerator as claimed in claim 1, wherein the first heating means is attached to an inner top wall of the circulation duct.

5. The refrigerator as claimed in claim 1, wherein the refrigerator includes an air duct case having an open top surface, the air duct case is fixed to the inner top wall of the thawing chamber, and the air duct case and the inner top wall of the thawing chamber are enclosed to form the circulation air duct.

6. The refrigerator as claimed in claim 1, wherein the thawing chamber comprises a drawer outer frame and a thawing drawer provided in the drawer outer frame;

the drawer outer frame is arranged in the box body, and the front side of the drawer outer frame is open;

the top of the unfreezing drawer is provided with an opening, and the unfreezing drawer is arranged in the drawer outer frame in a push-and-pull manner through the front opening of the drawer outer frame;

the circulating air duct is arranged on the inner top wall of the drawer outer frame.

7. The refrigerator as claimed in claim 6, wherein the second heating means is provided on an inner bottom wall of the outer frame of the drawer opposite to a bottom of the defrosting drawer.

8. The refrigerator as claimed in claim 7, wherein a plurality of heat conduction holes are formed at the bottom of the defrosting drawer, and the heat conduction holes communicate the interior of the defrosting drawer and the lower part of the defrosting drawer; the heat generated by the second heating device can be transferred to the interior of the defrosting drawer through the heat conduction hole.

9. The refrigerator as claimed in claim 8, wherein a thawing box is installed in the thawing drawer, the thawing box is movably installed at an inner bottom of the thawing drawer, and the thawing box is made of a heat conductive metal material.

10. The refrigerator as claimed in claim 9, wherein a sterilizing odor purification module is provided in the thawing drawer, the sterilizing odor purification module is provided in an upper region of an inner sidewall of the thawing drawer, and the sterilizing odor purification module is located at an upper side of the thawing box.

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