CN112129037A

CN112129037A - Refrigerator with fresh-keeping drawer

Info

Publication number: CN112129037A
Application number: CN201910555851.5A
Authority: CN
Inventors: 万彦斌; 陈建全; 刘建如
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-12-25

Abstract

The invention provides a refrigerator with a fresh-keeping drawer, which comprises a drawer and a cover body covering the drawer, wherein an air duct is arranged in the cover body, and the cover body is provided with an air outlet and a rotary baffle plate, wherein the air outlet is communicated with the air duct and the drawer, and the rotary baffle plate is arranged at the air outlet. The refrigerator with the fresh-keeping drawer can realize more uniform refrigeration effect in the drawer and improve the fresh-keeping effect.

Description

Refrigerator with fresh-keeping drawer

Technical Field

The invention relates to a refrigerator with a fresh-keeping drawer.

Background

Most of fresh-keeping drawers of the existing refrigerator are not specially designed, after food is placed into the fresh-keeping drawers, the air volume of the food at the position close to the air inlet is too large, the temperature of the food at the position far away from the air inlet is lower, and the non-uniformity of temperature and humidity causes the fresh-keeping effect of vegetables and fruits with special temperature and humidity requirements to be greatly reduced.

In view of the above, there is a need for an improved refrigerator having a fresh drawer to solve the above problems.

Disclosure of Invention

The invention aims to provide a refrigerator with a fresh-keeping drawer, which is more uniform in temperature and humidity.

In order to achieve the aim, the invention provides a refrigerator with a fresh-keeping drawer, which comprises a drawer and a cover body covering the drawer, wherein an air duct is arranged in the cover body, an air outlet communicating the air duct with the drawer and a rotary baffle arranged at the air outlet are arranged on the cover body

As a further improvement of the present invention, the cover body includes an upper cover plate and a lower cover plate which are fixedly engaged with each other in an up-down direction, the air duct is disposed between the upper cover plate and the lower cover plate, the plurality of air outlets are disposed on the lower cover plate, the air outlets are rectangular, the rotating baffle has a rotating shaft disposed on a long side of the air outlets, and the rotating baffle can rotate 180 ° along the rotating shaft relative to a lower surface of the lower cover plate.

As a further improvement of the present invention, two opposite sides of the rotating baffle are respectively provided with a rotating shaft disposed on the opposite inner walls of the air outlet, so that the rotating baffle can rotate in the air outlet.

As a further improvement of the present invention, the refrigerator has a compartment for accommodating the cover and the drawer, the cover is fixed to the compartment, the drawer is slidable in a front-rear direction of the compartment, and a driving device for driving the rotation of the rotary flap is provided between the inner container and the outer casing of the side wall of the compartment.

As a further improvement of the present invention, the cover has at least two air outlets arranged in a front-back direction, and the refrigerator has at least two driving devices capable of independently controlling the rotary baffle, and the driving devices control the rotary baffle to be arranged at different angles.

As a further improvement of the invention, a temperature sensor is arranged on the drawer, and the refrigerator controls the rotation of the rotary baffle plate according to the temperature detected by the temperature sensor so as to control the opening and closing of the air outlet and the opening degree of the air outlet.

As a further improvement of the present invention, the air outlet includes a first air outlet and a second air outlet, the rotating baffle is correspondingly disposed at the first air outlet, and the cover body is further provided with a soft wind device protruding downward from a lower surface thereof and correspondingly disposed at the second air outlet.

As a further improvement of the present invention, the wind softening device is a hollow cuboid having a plurality of through holes on a wall surface, and the through holes are disposed on left and right side walls and a lower wall surface of the wind softening device.

As a further development of the invention, the diameter of the perforations does not exceed 5 mm.

As a further improvement of the invention, the perforation rate of the soft wind device is more than 5%.

The invention has the beneficial effects that: according to the refrigerator with the fresh-keeping drawer, the air outlet is formed in the cover body on the drawer, and the rotary baffle capable of controlling the air outlet angle is arranged at the air outlet, so that a more uniform refrigerating effect in the drawer can be realized, and the fresh-keeping effect is improved.

Drawings

FIG. 1 is an exploded perspective view of a first embodiment of the crisper drawer of the present invention.

Fig. 2 is a schematic view of the lower cover plate of fig. 1 from another perspective.

Fig. 3 is a perspective view of a lower cover plate in a second embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiment, and structural, methodological, or functional changes made by one of ordinary skill in the art according to the embodiment are included in the scope of the present invention.

Referring to fig. 1 and 2, a first embodiment of a refrigerator with a crisper drawer according to the present invention is shown, first defining an X axis as a front-back direction, a Y axis as a left-right direction (also referred to as a transverse direction), and a Z axis as an up-down direction, where the refrigerator includes a drawer 3 and a cover covering the drawer 3. The inside wind channel that is equipped with of lid, be equipped with on the lid communicate the wind channel with the inside air outlet of drawer 3 with set up in rotating baffle 24 of air outlet department.

Specifically, as shown in fig. 1, in the present embodiment, the cover includes an upper cover plate 1 and a lower cover plate 2 that are engaged with each other in the up-down direction, and the air duct is disposed between the upper cover plate 1 and the lower cover plate 2. Of course, the cover may be integrally provided.

Referring to fig. 1 and 2, the lower cover plate 2 is provided with an air inlet 21 and a plurality of air outlets. In this embodiment, the air inlet 21 is disposed at one end of the lower cover plate 2 away from the refrigerator door, that is, at one end close to the refrigerator back plate, and the air inlet 21 corresponds to a main air duct outlet of the refrigerator evaporation chamber and is configured to transmit cold to the air duct inside the cover body and further to the drawer 3.

In this embodiment, the outlets include a first outlet 22 and a second outlet 23, wherein the inlet 21 and the first outlet are parallel to each other and perpendicular to the second outlet 23, in this embodiment, the outlets are rectangular, the first outlet 22 is arranged along the front-back direction and extends along the transverse direction, the second outlet 23 is arranged along the transverse direction and extends along the front-back direction, in other embodiments, the outlets may have other shapes, and the arrangement direction and the extending direction may also have other forms.

Rotating barrier 24 set up in first air outlet 22 department, and have set up in the pivot (not shown in the drawing) of the long avris of first air outlet 22, rotating barrier 24 can borrow the pivot is followed long limit is rotatory towards another long limit that sets up relatively, specifically, rotating barrier 24 set up in the below of lower apron 2 and can for but lower apron 2's lower surface 180 is rotatory, consequently rotating barrier 24 can not only realize the switching of first air outlet 22 is steerable at rotatory in-process simultaneously the aperture of first air outlet 22 and the angle of cold wind, thereby avoid food in the drawer 3 is directly blown and air-dries by cold wind, plays fresh-keeping effect.

The refrigerator has a compartment (not shown) for accommodating the cover fixed to the compartment and the drawer 3, the drawer 3 being slidable in the front-rear direction of the compartment, and a driving device (not shown) for driving the rotary shutter 24 to rotate is provided between the inner container and the outer casing of the side wall of the compartment. For example, the driving device is set as a motor, so that an output shaft of the motor extends into the inner side of the inner container, and meanwhile, a rotating shaft of the rotating baffle 24 extends out of the outer edge of the cover body and is matched with the output shaft of the motor, so that the motor drives the rotating baffle 24 to rotate and adjust when rotating. Of course, the driving device may be disposed above the cover body and connected to the rotating shaft of the rotating baffle 24 through a gear transmission device, and the object of the present invention can also be achieved.

The driving device comprises a cable connected with a control circuit, and when the rotary baffle 24 is required to rotate, the control circuit drives the driving device to drive the rotating shaft to rotate.

The lower cover plate 2 further has a wind softening device 25 disposed at the second wind outlet 23. The soft wind device 25 is arranged on the lower surface of the lower cover plate 2 corresponding to the second wind outlet 23.

In this embodiment, the soft wind device 25 is a hollow rectangular parallelepiped structure with a through hole 251 on the wall surface. The through holes 251 are disposed on the left and right side walls and the lower wall surface of the soft wind device 25 and are arranged in an array.

The perforations 251 are no more than 5mm in diameter. When the diameter of the through hole 251 is too large, the air volume received by the food is still large, and the possibility of being air-dried still exists, so that when the diameter of the through hole 251 is small, the air volume is weakened by the through hole 251, the food receives soft wind, and the food can be effectively prevented from being air-dried.

The ratio of the through holes 251 of the soft air device 25 is greater than 5%, that is, the ratio of the sum of the areas of all the through holes 251 to the surface area of the soft air device 25 is greater than 5%, wherein the surface area of the soft air device 25 is the sum of the areas of the left and right side walls, the front and rear side walls and the lower wall surface, and the appropriate ratio of the through holes 251 can not only ensure the requirement of cooling capacity in the drawer 3, but also effectively prevent food from being air-dried.

The drawer 3 is provided with a front panel 31 close to the refrigerator door, a rear panel 32 far away from the refrigerator door and a pair of side panels 33 which are oppositely arranged and connect the front panel 31 and the rear panel 32, the drawer 3 is provided with a handle 34 which extends downwards from the lower part of the front panel 31 and is provided with a damping area 35, the damping area 35 can increase the friction force when the drawer 3 is pulled so that the drawer 3 can be pulled more easily, the rear panel 32 is provided with an air return opening 36 for discharging the damp and hot air in the drawer 3, the side panels 33 comprise a first side panel 331 and a second side panel 332 which are mutually connected, the distance between the second side panels 332 is larger than the distance between the first side panels 331, the first side panel 331 is connected with the rear panel 32, and the second side panel 332 is connected with the front panel 31.

A temperature sensor 4 is further arranged in the drawer 3, the refrigerator compares the temperature detected by the temperature sensor 4 with a preset value, and when the temperature is lower than the preset value, the control system of the refrigerator controls the rotary baffle plate 24 to rotate to close the first air outlet 22. When the temperature is higher than the preset value, the control system of the refrigerator controls the rotary baffle 24 to open the first air outlet 22, so that cold air enters the drawer 3 through the first air outlet 22, and simultaneously, according to the difference value between the temperature and the preset value, the rotation angle of the rotary baffle 24 can be further controlled, so that the air volume and the angle are controlled, and the air volume is controlled within a proper range.

Referring to fig. 3, a second embodiment of the refrigerator with a fresh-keeping drawer according to the present invention is different from the first embodiment in that two opposite sides of the rotating baffle 24 are respectively provided with a rotating shaft disposed on the opposite inner walls of the first air outlet 22, so that the rotating baffle 24 can rotate in the first air outlet 24, in this embodiment, the rotating shafts are disposed on the left and right sides of the rotating baffle 24 and connected to the left and right inner walls of the first air outlet 22, and of course, the rotating shafts may be disposed on the front and rear sides of the rotating baffle 24 and connected to the front and rear inner walls of the first air outlet 22.

The driving device drives the rotating shaft to realize the rotation of the rotating baffle plate 24, and meanwhile, as the rotating shaft is arranged on the left inner wall and the right inner wall of the first air outlet 22, when the rotating baffle plate 24 rotates, the function of sweeping air along the front-back direction can be realized, so that the cooling capacity in the drawer 3 is more uniform, and the local cooling capacity is effectively avoided from being too large.

In summary, the refrigerator with the preservation drawer 3 is provided with the lower cover plate 2, and the lower cover plate 2 is provided with the plurality of uniformly distributed air outlets, so that the internal refrigeration of the drawer 3 is more uniform, and the local refrigeration is avoided. Simultaneously the air outlet is including being equipped with rotatory baffle 24 first air outlet 22 reaches to be equipped with gentle wind device 25 second air outlet 23, first air outlet 22 borrows by rotatory baffle 24's switching realizes air volume control and angle control, and is more energy-conserving to reduce the consumption, second air outlet 23 borrows by gentle wind device 25 perforation 251 makes the amount of wind quilt perforation 251 weakens for what food received is gentle wind, can effectively avoid food to be air-dried, improves fresh-keeping effect.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a refrigerator with fresh-keeping drawer, its includes that drawer and lid are located the lid of drawer top, its characterized in that: the inside wind channel that is equipped with of lid, be equipped with on the lid and communicate wind channel and the inside air outlet of drawer and set up in rotating baffle in air outlet department.

2. The refrigerator with crisper drawer of claim 1, wherein: the lid includes along upper and lower direction mutual fixed coordination's upper cover plate and lower apron, the wind channel sets up between upper cover plate and lower apron, and is a plurality of the air outlet set up in on the apron down, the air outlet is the rectangle form, rotating baffle have set up in the pivot of the long avris of air outlet, rotating baffle can follow the pivot for 180 rotations of lower surface of apron down.

3. The refrigerator with crisper drawer of claim 1, wherein: the two opposite sides of the rotating baffle are respectively provided with a rotating shaft arranged on the opposite inner walls of the air outlet, so that the rotating baffle can rotate in the air outlet.

4. The refrigerator with crisper drawer of claim 1, wherein: the refrigerator is provided with a chamber for accommodating the cover body and the drawer, the cover body is fixed in the chamber, the drawer can slide along the front and back direction of the chamber, and a driving device for driving the rotary baffle to rotate is arranged between the inner container and the outer shell of the side wall of the chamber.

5. The refrigerator with crisper drawer of claim 4, wherein: the cover body is provided with at least two air outlets which are arranged along the front-back direction, the refrigerator is provided with at least two driving devices which can independently control the rotary baffle, and the driving devices control the rotary baffle to be arranged at different angles.

6. The refrigerator having a crisper drawer of claim 5, wherein: the refrigerator is characterized in that a temperature sensor is arranged on the drawer, and the refrigerator controls the rotation of the rotary baffle plate to control the opening and closing of the air outlet and the opening degree of the air outlet according to the temperature detected by the temperature sensor.

7. The refrigerator with crisper drawer of claim 1, wherein: the air outlet includes first air outlet and second air outlet, rotating barrier correspond set up in first air outlet, the lid still is equipped with from its lower surface downward projection and with the gentle wind device that the second air outlet corresponds the setting.

8. The refrigerator having a crisper drawer of claim 7, wherein: the gentle wind device is the cavity cuboid that the wall was equipped with a plurality of fenestrations, the perforation set up in the side wall and lower wall about the gentle wind device.

9. The refrigerator having a crisper drawer of claim 8, wherein: the diameter of the perforations does not exceed 5 mm.

10. The refrigerator having a crisper drawer of claim 8, wherein: the perforation rate of the soft wind device is more than 5%.