CN210625074U

CN210625074U - Refrigerator with a door

Info

Publication number: CN210625074U
Application number: CN201921152238.0U
Authority: CN
Inventors: 朱小兵; 程学丽; 费斌; 李春阳; 姬立胜; 崔展鹏
Original assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd; Qingdao Haier Special Refrigeration Electric Appliance Co Ltd
Current assignee: Qingdao Haier Refrigerator Co Ltd; Haier Smart Home Co Ltd; Qingdao Haier Special Refrigeration Electric Appliance Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-05-26
Anticipated expiration: 2029-07-22

Abstract

The utility model provides a refrigerator. The refrigerator comprises a refrigerator body and an air duct assembly, wherein a storage compartment is arranged in the refrigerator body, and the air duct assembly is arranged at the rear part of the storage compartment; still include infrared sensing device, have: a sensor; a base mounted to a front surface of the air duct assembly; a sensor cover mounted within the sensor cover and mounted within the base, the sensor cover having a transmissive window; and the sensor cover is arranged at the transmission window of the sensor cover and is provided with a transmission area, and the thickness of the transmission area is smaller than that of the rest area of the sensor cover. The sensor can be protected layer by layer, the infrared sensing device can work in a cooling chamber, and the detection precision of the sensor can be ensured.

Description

Refrigerator with a door

Technical Field

The utility model relates to a freezing cold-stored technical field especially relates to a refrigerator.

Background

The refrigerator can keep food fresh, prolong the storage time of the food and improve the edible safety of the food, and is a necessary household appliance. However, few manufacturers utilize infrared sensing devices in the freezer compartment. The infrared sensing device is applied to the freezing chamber, and the problems of condensation and precision of the sensor at the temperature of minus 30 ℃ in the freezing chamber are mainly considered, namely, the sensor module is prevented from being immersed in water to cause the lens to generate condensation if deterioration occurs. In addition, general convenience of installation and detachability are also considered to be produced without producing an unattractive appearance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect of current refrigerator, provide a novel refrigerator, it can make infrared sensing device work in the cooling chamber.

The refrigerator comprises a box body and an air channel assembly, wherein a storage chamber is arranged in the box body, and the air channel assembly is installed at the rear part of the storage chamber; still include infrared sensing device, infrared sensing device has:

a sensor;

a base mounted to a front surface of the air duct assembly;

a sensor cover mounted within the sensor cover and mounted within the base, the sensor cover having a transmissive window; and

the sensor cover is arranged at the transmission window of the sensor cover and is provided with a transmission area, and the thickness of the transmission area is smaller than that of the rest area of the sensor cover.

Optionally, the air duct assembly includes a front cover plate having a mounting hole;

the rear side of base is provided with a plurality of buckles, the joint in the hole edge department of mounting hole, just the base with the contact of front shroud is supported and is leaned on.

Optionally, the thickness of the transmission area of the sensing cover is 0.2mm to 0.4mm, and the material is PE.

Optionally, the irradiation angle of the infrared sensing device in the vertical direction is 16 ° to 60 °, and the irradiation angle in the horizontal direction is 16 ° to 60 °.

Optionally, the storage compartment is a freezing compartment;

an upper drawer and a lower drawer are arranged in the storage compartment;

the two infrared sensing devices are arranged on the upper portion and the lower portion of the air duct assembly and used for respectively detecting whether food is put into the upper drawer and the lower drawer.

Optionally, the refrigerator further comprises a damper shielding device;

the box body is also internally provided with a cooling chamber;

the air duct assembly is provided with an accommodating cavity with a backward air inlet, and the peripheral wall of the accommodating cavity is provided with a plurality of air supply communication holes; and the gas in the cooling chamber enters the storage chamber through at least one air supply communication hole;

the damper shielding device is provided with a shielding piece which is provided with a plurality of wind shields; the shielding piece is rotatably arranged in the accommodating cavity around an axis extending in the front-rear direction so as to have a shielding position for enabling the plurality of wind shielding plates to completely shield all the air supply communication holes and an opening position for opening at least one air supply communication hole, and then after the infrared sensing device detects that food is put into the storage compartment, the corresponding air supply communication hole is opened.

Optionally, the rear side of the air duct assembly is the cooling chamber; the front surface of the air duct assembly is provided with a plurality of air supply structures so as to convey air into the storage chamber.

Optionally, an air outlet communicated with one of the air supply communication holes is formed in the upper surface of the air duct assembly.

Optionally, the front cover plate further comprises a detachable plate connected to the periphery of the mounting hole by a plurality of points and/or a plurality of line segments, so that the detachable plate is removed to mount the infrared sensing device to the mounting hole when the infrared sensing device is required to be mounted.

The utility model also provides a refrigerator, which comprises a box body and an air duct component, wherein a storage chamber is arranged in the box body, and the air duct component is arranged at the rear part of the storage chamber; wherein

The air duct assembly comprises a front cover plate and a detachable plate, wherein the front cover plate is provided with a mounting hole and the detachable plate is connected to the periphery of the mounting hole through a plurality of points and/or a plurality of line segments, so that when the infrared sensing device for the refrigerator needs to be mounted, the detachable plate is taken down to mount the infrared sensing device on the mounting hole.

The utility model discloses a refrigerator, infrared sensing device's special construction can make and protect layer upon layer the sensor, can make infrared sensing device work in the cooling chamber, and can guarantee the detection precision of sensor. Further, when food is put into the storage room through the infrared sensing device, especially after new food is put into, the steerable indoor cold wind of carrying of storage room that makes the temperature of food drop rapidly, reduces and breeds the bacterium, and food is more fresh-keeping. Furthermore, the universality of the air duct assembly and the refrigerator can be improved by arranging the detachable plate. The mold cost can be reduced, the management cost is reduced, the unified standardization of modules of the refrigerator air duct is realized, and the preservation performance of the freezing chamber is improved.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic partial structural view of a refrigerator according to an embodiment of the present invention;

fig. 2 is a schematic partial structural view of a refrigerator according to an embodiment of the present invention;

FIG. 3 is a schematic rear view of the structure shown in FIG. 2;

fig. 4 is a schematic structural view of an infrared sensor device in a refrigerator according to an embodiment of the present invention;

FIG. 5 is a schematic exploded view of the infrared sensing device shown in FIG. 4;

fig. 6 is a schematic cross-sectional view of a partial structure of the infrared sensing device shown in fig. 4;

fig. 7 is another schematic cross-sectional view of a partial structure of the infrared sensing device shown in fig. 4;

fig. 8 is a schematic structural view of a duct assembly in a refrigerator according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a wind door shielding device in a refrigerator according to an embodiment of the present invention;

fig. 10 is a schematic partial structural view of a duct assembly in a refrigerator according to an embodiment of the present invention.

Detailed Description

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment of the present invention. As shown in fig. 1 and referring to fig. 2 to 10, an embodiment of the present invention provides a refrigerator, which includes a box body 200, an air duct assembly 300, and an infrared sensing device 500. The box body 200 is provided with a cooling chamber, at least one storage chamber, and an air duct assembly 300 communicating the cooling chamber and the at least one storage chamber. An evaporator 600 may be disposed in the cooling chamber, and the gas in the cooling chamber may be introduced into at least one storage compartment through the duct assembly 300. Preferably, the at least one storage compartment may include a storage compartment housing the duct assembly 300, the duct assembly 300 being located at the rear of the storage compartment, and the storage compartment is preferably a freezer compartment. The infrared sensing device 500 may be mounted on a front surface of the air duct assembly 300 and configured to detect whether an object is placed in a corresponding storage area, and if so, to cool at least a cold airflow of the cooling chamber into the corresponding storage area.

As shown in fig. 4-7, the infrared sensing device 500 can include a sensor 520, a base 510, a sensor cover 530, and a sensor cover 540. The base 510 is mounted to the front surface of the air duct assembly 300. The sensor 520 is mounted in the sensor cover 530, and the sensor cover 530 is mounted in the base 510, the sensor cover 530 having a transmissive window. The sensor cover 540 is mounted at the transmission window of the sensor cover 530, and the sensor cover 540 has a transmission region 541, and the thickness of the transmission region 541 is smaller than that of the remaining region of the sensor cover 540. That is, the sensor 520 is aligned at a central location of the sensor housing 540, and the thickness of the central region of the sensor housing 540 is less than the thickness of the peripheral edge of the sensor housing 540.

The sensor cover 530 is installed in the base 510, the sensor 520 is installed in the sensor cover 530, and the transmission window is closed by the sensor cover 540, so that the sensor 520 can be protected layer by layer, the infrared sensing device 500 can work in a cooling chamber, condensation on the sensor 520 is prevented, and the detection precision of the sensor 520 can be ensured by the design of the thickness of at least the projection area of the sensor cover 540. Preferably, the thickness of the transmission region 541 of the sensor cover 540 is 0.2mm to 0.4mm, the material is PE, for example, the thickness is preferably 0.3mm, and the material is high density PE. The infrared sensing device 500 illuminates at an angle of 16 ° by 16 ° to 60 ° by 60 °. That is, the irradiation angle of the infrared sensor device 200 in the vertical direction is 16 ° to 60 °, preferably 16 °, 25 °, 30 °, 58 °, 60 °, etc., and the irradiation angle in the horizontal direction is 16 ° to 60 °, preferably 40 °, 45 °, 50 °, 52 °, 58 °, 60 °, etc. For example, the infrared sensor device 500 may illuminate at an angle of 58 ° by 58 °. Further, the sensor cover 530 may be mounted to an inner side of the base 510 by a snap, and the sensor cover 540 may be mounted to an inner side of the sensor cover 530 by a snap.

In some embodiments of the present invention, an upper drawer 210 and a lower drawer 220 are disposed within the storage compartment. The infrared sensing devices 500 are provided at the upper and lower portions of the air duct assembly 300 to detect whether food is put in the upper drawer 210 and the lower drawer 220, respectively. An upper side of the upper drawer 210 may also be provided with a storage box 230. The arrangement of the drawer and the storage box 230 can facilitate the classified storage of the articles and the like.

In some embodiments of the present invention, the refrigerator further comprises a damper shielding device 400. The air duct assembly 300 may have a receiving chamber with an air inlet facing backward, and a plurality of air supply communication holes are formed in a circumferential wall of the receiving chamber. An evaporator 600 may be provided in the cooling chamber, and the gas in the cooling chamber may be introduced into at least one storage compartment through the plurality of supply communication holes.

As shown in fig. 9 and 10, the damper shielding apparatus 400 may include a fixing member 410 and a shutter 420; the shield 420 has a plurality of wind deflectors 422. The shielding member 420 is rotatably installed to the fixing member 410 around an axis extending in the front-rear direction, and is disposed in the accommodating chamber to have a shielding position at which the plurality of wind shielding plates 422 completely shield all of the air supply communication holes and an opening position at which at least one of the air supply communication holes is opened, so as to block gas in the cooling chamber from entering at least one of the storage compartments through the plurality of air supply communication holes when the refrigerator is defrosted, preferably, gas in the cooling chamber enters the storage compartment of the accommodating duct assembly 300 through at least one of the air supply communication holes, that is, gas in the cooling chamber enters the cooling chamber through at least one of the air supply communication holes, and then opens the corresponding air supply communication hole after the infrared sensing device 500 detects that food is placed in.

Specifically, the wind shield 422 can be rotated to a shielding position for closing the air supply communication hole when the refrigerator is defrosted; when the refrigerator is normally supplied with air, the wind shield 422 can be rotated to a normal position where all the air supply communication holes are completely exposed. The embodiment of the utility model provides an utilize the deep bead 422 of rotatable setting, can make deep bead 422 rotate the position that shields of sealing the air supply intercommunicating pore, also can rotate the normal position that exposes the air supply intercommunicating pore completely in order to realize normal air supply. The volume of the air door shielding device 400 is reduced by adopting a rotary mechanism, and the air door shielding device is simple and compact in structure and convenient to control. Further alternatively, the wind deflector 422 may be rotated to a shielding position to close part of the air supply communication holes to expose part of the air supply communication holes for partial air supply. When food is put in, the infrared sensing device 500 senses the food immediately, opens the air door immediately and shields the device 400, refrigerates the freezing chamber rapidly, makes the temperature of the food drop rapidly, reduces and breeds the bacterium, and the food is more fresh-keeping.

In some embodiments of the present invention, the damper shielding device 400 further includes a centrifugal fan 430 installed in the accommodating chamber, configured to suck the air flow from the air inlet, and to cause the air flow to enter each air supply communication hole from the circumferential direction and/or the radial direction thereof. The accommodating cavity is arranged at the upper part of the air duct assembly 300; the middle and/or lower portion of the rear surface of the air duct assembly 300 is recessed forward, and the rear side of the air duct assembly 300 is a cooling chamber.

In some embodiments of the present invention, the air duct assembly 300 may include a back cover plate 310, a sponge plate, and a front cover plate 320. The back cover plate 310 has a back plate, and a cavity defining plate extending from the back plate. The upper part of the back plate is provided with an air inlet; the cavity limiting plate limits the accommodating cavity, the air supply communication holes and the air supply air channels respectively connected with the air supply communication holes, and each air supply air channel comprises at least one first air supply air channel. The sponge board sets up in the front side of backplate, and supports with the contact of cavity limiting plate and mounting and lean on, can shield the device 400 contact with the air door and support and lean on, and then can make sponge board and air door shield the device 400 and have the interference volume about 0.5mm, and noise and vibrations also can be by the absorption of sponge, the effectual noise and vibrations of alleviating.

The front cover 320 covers the rear cover 310, and the front cover 320 has a front plate located at the front side of the sponge plate and a plurality of air blowing structures 321 formed on the front plate. The sponge plate is arranged such that each first air supply duct communicates with one or more air supply structures 321 via it. Specifically, the sponge plate may be provided with a notch or a hole, so that the airflow in the first air supply duct enters the corresponding air supply structure 321. The air supply structure 321 may be an air supply outlet, an air supply short pipe, etc.

Further, the refrigerator may further include an air duct portion, the air duct portion is located at an upper side of the air duct assembly 300, and a front side of the air duct portion is one or more storage compartments. The upper surface of the air duct assembly 300 is provided with an air outlet 330, and the air supply duct further comprises a second air supply duct communicated with the air outlet 330. The air outlet 330 may communicate with the air duct portion. The storage compartment at the front side of the air duct part can be a refrigerating chamber and the like.

In some more specific embodiments of the present invention, as shown in fig. 10, the number of the air supply communication holes is three, and the air supply communication holes include a first communication hole, a second communication hole, and a third communication hole which are sequentially arranged in a clockwise direction; the first communication hole is arranged at the upper side of the accommodating cavity, and the second communication hole is arranged at the right side of the accommodating cavity; the third communication hole is arranged on the left side of the accommodating cavity. The second air supply duct extends backwards and upwards from the first communication hole to the air outlet 330, and for guiding air, the air duct assembly 300 further includes an air guide block disposed between the rear cover plate 310 and the sponge plate for guiding the air flow of the first communication hole to the air outlet 330, so as to supply air to the duct portion better. The air guide block is provided to facilitate the processing of the air duct assembly 300, and may be integrally formed with the sponge plate or the rear cover plate 310.

The number of the first air supply ducts is two, and the first air supply duct 315 and the second air supply duct 316 are respectively. The first air supply duct 315 is connected to the second communication hole and has an upper branch extending upward and a lower branch extending downward. The second air duct 316 is connected to the third communication hole and has an upper branch extending upward and a lower branch extending downward. The wind deflectors 422 are three, and include a first wind deflector, a second wind deflector and a third wind deflector which are sequentially arranged in the clockwise direction. The first wind shield is configured to completely shield the first communication hole; the second air deflector is configured to completely shield the second communication hole; the third wind shielding plate is configured to completely shield the third communication hole. Further, the air duct assembly 300 may further include a return air structure 340 disposed at a lower end of the rear cover plate 310, and a return air pipeline is formed at a lower side of the return air structure 340.

In some embodiments of the present invention, as shown in fig. 8, the front cover plate 320 has mounting holes; the rear side of the base 510 is provided with a plurality of buckles 550, which are clamped at the hole edge of the mounting hole, and the base 510 contacts and abuts against the front cover plate 320. The through-hole snaps 550 and mounting holes facilitate installation of the infrared sensing device 500. In order to ensure the beauty and versatility of the refrigerator, the front cover 320 further includes a detachable plate 322, and the detachable plate 322 is connected to the periphery of the mounting hole by a plurality of points and/or a plurality of line segments, so that the detachable plate 322 is removed to mount the infrared sensing apparatus 500 to the mounting hole when the infrared sensing apparatus 500 is required to be mounted. When the infrared sensing device 500 needs to be installed, the detachable plate 322 can be firstly broken off and installed in the installation hole through a structure such as a buckle 550.

That is to say, the embodiment of the utility model provides a still provide another kind of refrigerator, including box and wind channel subassembly 300, be provided with the storing room in the box, wind channel subassembly 300 is installed in the rear portion of storing room. The air duct assembly 300 includes a front cover plate 320, the front cover plate 320 having a mounting hole and a detachable plate 322, the detachable plate 322 being connected to a periphery of the mounting hole by a plurality of points and/or a plurality of line segments, so that the detachable plate 322 is removed to mount the infrared sensing apparatus 500 to the mounting hole when it is desired to mount the infrared sensing apparatus 500 for a refrigerator. The universality of the air duct assembly 300 can be realized, that is, the air duct assembly 300 not only meets the requirements of installing the infrared sensing device 500, but also meets the requirements of not installing the infrared sensing device 500, and the appearance of the air duct assembly 300 is beautiful.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims

1. A refrigerator comprises a refrigerator body and an air duct assembly, wherein a storage compartment is arranged in the refrigerator body, and the air duct assembly is mounted at the rear part of the storage compartment; it is characterized by also comprising an infrared sensing device, and the infrared sensing device is provided with:

a sensor;

a base mounted to a front surface of the air duct assembly;

2. The refrigerator according to claim 1,

the air duct assembly comprises a front cover plate, and the front cover plate is provided with a mounting hole;

3. The refrigerator according to claim 1,

the thickness of the transmission area of the sensing cover is 0.2mm to 0.4mm, and the material is PE.

4. The refrigerator according to claim 1,

the irradiation angle of the infrared sensing device in the vertical direction is 16-60 degrees, and the irradiation angle in the horizontal direction is 16-60 degrees.

5. The refrigerator according to claim 1,

the storage compartment is a freezing chamber;

an upper drawer and a lower drawer are arranged in the storage compartment;

6. The refrigerator of claim 1, further comprising a damper shielding device;

the box body is also internally provided with a cooling chamber;

7. The refrigerator according to claim 6,

the rear side of the air duct assembly is the cooling chamber;

the front surface of the air duct assembly is provided with a plurality of air supply structures so as to convey air into the storage chamber.

8. The refrigerator according to claim 7,

and an air outlet communicated with the air supply communication hole is formed in the upper surface of the air duct assembly.

9. The refrigerator according to claim 2,

the front cover plate further comprises a detachable plate, and the detachable plate is connected to the periphery of the mounting hole through a plurality of points and/or a plurality of line segments, so that when the infrared sensing device needs to be mounted, the detachable plate is removed to mount the infrared sensing device in the mounting hole.

10. A refrigerator comprises a refrigerator body and an air duct assembly, wherein a storage compartment is arranged in the refrigerator body, and the air duct assembly is mounted at the rear part of the storage compartment; it is characterized in that the preparation method is characterized in that,