CN210625067U

CN210625067U - Refrigerator with a door

Info

Publication number: CN210625067U
Application number: CN201920619494.XU
Authority: CN
Inventors: 赵坤坤; 王海娟; 李鹏
Original assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Current assignee: Qingdao Haier Co Ltd; Qingdao Haier Refrigerator Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-05-26
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a refrigerator. The refrigerator comprises a refrigerator body, a refrigerating system and a heating device, wherein the refrigerator body comprises a refrigerating liner, a variable temperature liner and a freezing liner, the refrigerating liner is provided with a refrigerating chamber, the variable temperature liner is provided with a variable temperature chamber, and the freezing liner is provided with a freezing chamber. The heating device comprises a metal cylinder body provided with a taking and placing opening, a door body arranged at the taking and placing opening and used for opening and closing the taking and placing opening, and an electromagnetic generating system. The electromagnetic generating system comprises an electromagnetic generating module for generating electromagnetic wave signals and a radiation antenna which is arranged in the cylinder and electrically connected with the electromagnetic generating module so as to generate electromagnetic waves in the cylinder to heat the object to be processed. The barrel of the heating device is arranged in the temperature-changing chamber, so that a user can conveniently take and place objects to be processed, and meanwhile, the influence of heating on other food materials is reduced.

Description

Refrigerator with a door

Technical Field

The utility model relates to a kitchen utensil especially relates to a refrigerator with electromagnetic wave heating device.

Background

During the freezing process, the quality of the food is maintained, however, the frozen food needs to be thawed before processing or consumption. In order to facilitate a user to freeze and unfreeze food, a refrigerator having an electromagnetic wave heating apparatus is required in design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel multi-door refrigerator with electromagnetic wave heating device.

The utility model discloses a further purpose improves heating device's utilization ratio.

The utility model discloses another further purpose improves heating device's heating efficiency.

Particularly, the utility model provides a refrigerator, which comprises a refrigerator body and a refrigerating system, wherein the refrigerator body comprises a refrigerating inner container limited with a refrigerating chamber, a variable temperature inner container limited with a variable temperature chamber and a freezing inner container limited with a freezing chamber; it is characterized in that the refrigerator further comprises a heating device, which comprises:

the metal cylinder is arranged in the temperature-changing chamber and is provided with a taking and placing opening;

the door body is arranged at the taking and placing opening and used for opening and closing the taking and placing opening;

the electromagnetic generation system comprises an electromagnetic generation module for generating electromagnetic wave signals and a radiation antenna which is arranged in the cylinder and electrically connected with the electromagnetic generation module, so that electromagnetic waves are generated in the cylinder to heat an object to be processed.

Optionally, the radiation antenna is arranged at the height of 1/3-1/2 of the cylinder body.

Optionally, the heating device further comprises:

an antenna cover made of an insulating material and configured to divide an inner space of the cylinder into a heating chamber and an electric appliance chamber; wherein

The object to be processed and the radiation antenna are respectively arranged in the heating chamber and the electric appliance chamber.

Optionally, the heating device further comprises:

signal processing and observing and controlling circuit set up in the electrical apparatus room and be located radiating antenna's rear side, it includes:

a detection unit connected in series between the electromagnetic generation module and the radiation antenna, and configured to detect specific parameters of an incident wave signal and a reflected wave signal passing therethrough;

a control unit configured to calculate an electromagnetic wave absorption rate of the object to be processed according to the specific parameter; and

a matching unit connected in series between the electromagnetic generation module and a radiation antenna, and configured to adjust a load impedance of the electromagnetic generation module according to the electromagnetic wave absorption rate; and is

The rear wall of the electric appliance chamber is provided with heat dissipation holes at positions corresponding to the matching units.

Optionally, the refrigeration system comprises:

the device air supply duct and the device air return duct are arranged to be communicated with the freezing liner and the temperature-changing liner; and is

The barrel is provided with an air inlet and an air outlet, and gaps are reserved between the air inlet and the air outlet and the variable temperature liner to receive the cold energy in the variable temperature liner.

Optionally, the refrigeration system further comprises:

the freezing air duct cover plate is arranged in the freezing inner container and clamped with the freezing inner container to form a freezing air supply duct;

the freezing evaporator and the freezing air supply fan are arranged in the freezing air supply duct; wherein

The device air supply duct and the device air return duct are respectively communicated with the freezing air supply duct at the downstream and the upstream of the freezing evaporator.

Optionally, the freezing air supply duct includes a first section located between the freezing air duct cover plate and the bottom wall of the freezing liner, and a second section located between the freezing air duct cover plate and the rear wall of the freezing liner;

the front wall of the second section is provided with a plurality of compartment air supply outlets distributed at intervals along the vertical direction, and the front part of the top wall of the first section is provided with a compartment air return inlet; and is

Freezing evaporimeter and freezing air supply fan all set up in first section, just freezing evaporimeter set up in freezing air supply fan's front side.

Optionally, the air inlet and the air outlet are respectively opened on a rear wall and a lateral side wall of the heating chamber.

Optionally, the temperature-changing liner comprises a heating cavity and a storage cavity which are transversely distributed and are mutually independent; and is

The barrel set up in the heating intracavity, device air supply wind channel and device return air wind channel set up to with the heating chamber intercommunication.

Optionally, the box body further defines a press bin, and the electromagnetic generation module is disposed in the press bin.

The utility model discloses with heating device's barrel setting indoor at the alternating temperature room of multi-door refrigerator, not only convenience of customers gets and puts pending thing, still can reduce the heating to other influences of eating the material.

Further, the utility model discloses a device air supply wind channel and device return air wind channel with alternating temperature room and freezing room intercommunication, can provide cold volume for the heating chamber when heating device is out of work, normally preserve and eat the material, avoided storage space's waste, improved heating device's utilization ratio.

Further, the utility model discloses a matching unit adjusts the load impedance of module to the electromagnetism, improves the output impedance of module and the matching degree of load impedance are taken place to the electromagnetism, can place the food that fixed attribute (kind, weight, volume etc.) is different in the heating chamber, or food all has more electromagnetic wave energy to be radiated in the heating chamber at the temperature variation in-process, and then has improved heating efficiency.

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 front view of a refrigerator according to one embodiment of the present invention, with a door removed;

FIG. 2 is a schematic cross-sectional view of the refrigerator shown in FIG. 1 with a door removed;

FIG. 3 is a schematic isometric view of the refrigerator of FIG. 1 from the front and rear with the door removed;

FIG. 4 is a schematic isometric view of the refrigerator of FIG. 1 from the rear to the front with both the outer case and the door removed;

fig. 5 is a schematic structural view of a heating apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of the heating apparatus shown in FIG. 5;

FIG. 7 is a schematic bottom view of the appliance compartment of FIG. 5;

fig. 8 is a schematic rear view of the heating apparatus shown in fig. 5.

Detailed Description

Fig. 1 is a schematic front view of a refrigerator 100 according to an embodiment of the present invention, in which a door is removed; fig. 2 is a schematic cross-sectional view of the refrigerator 100 shown in fig. 1, with a door removed. Referring to fig. 1 and 2, the refrigerator 100 may include at least a cabinet 110, a door, and a refrigeration system. The box body 110 may include an outer box, a refrigerating inner container 121 defining a refrigerating compartment, a temperature-changing inner container 131 defining a temperature-changing compartment, and a freezing inner container 141 defining a freezing compartment. The door may include a refrigerating door for opening and closing the refrigerating compartment and a freezing door for opening and closing the freezing compartment.

In the illustrated embodiment, the refrigerating compartment, the temperature changing compartment and the freezing compartment are sequentially distributed in the outer box from top to bottom.

As well known to those skilled in the art, a refrigerating chamber refers to a storage chamber with a preservation temperature of 0 to +8 ℃ for food materials; the freezing chamber is a storage chamber for preserving food materials at the temperature of-20 to-15 ℃; the temperature-changing chamber is a storage chamber capable of changing the preservation temperature in a large range (for example, the adjustment range can be more than 4 ℃, and can be adjusted to more than 0 ℃ or less than 0 ℃), the preservation temperature can generally span the refrigeration, soft freezing (generally-4-0 ℃) and freezing temperature, and preferably-16 to +4 ℃.

FIG. 3 is a schematic isometric view of the refrigerator 100 of FIG. 1 from the front and rear with the door removed; fig. 4 is a schematic isometric view of the refrigerator 100 shown in fig. 1, viewed from the rear to the front, with the outer case and the door removed. Referring to fig. 2 to 4, the refrigeration system at least includes a compressor 151, a condenser 152 in communication with an outlet of the compressor 151, a capillary tube, an evaporator for supplying cold to the storage compartment, and an electromagnetic control valve connected in series between the condenser 152 and the capillary tube.

Fig. 5 is a schematic structural view of a heating apparatus 200 according to an embodiment of the present invention; fig. 6 is a schematic cross-sectional view of the heating apparatus 200 shown in fig. 5. Referring to fig. 5 and 6, particularly, the refrigerator 100 may further include a heating apparatus 200 to facilitate a user to heat food materials.

The heating device 200 may include a barrel 210 having a pick-and-place opening, a door 220 disposed at the pick-and-place opening for opening and closing the pick-and-place opening, an electromagnetic generating system at least partially disposed in the barrel 210 or reaching the barrel 210, and a drawer 240 for carrying the object to be processed.

The cylinder 210 may be disposed in the temperature-variable chamber, so that the user can conveniently take and place the object to be processed, and the influence of heating on other food materials is reduced.

The drawer 240 may be configured to have a front end fixedly connected to the door 220 and two lateral side plates slidably connected to the barrel 210, so as to facilitate taking and placing of the object to be processed.

The electromagnetic generation system may include an electromagnetic generation module 161 that generates electromagnetic wave signals, a power module 262 that powers the electromagnetic generation module 161, and a radiating antenna 250.

Referring to fig. 4, the electromagnetic generating module 161 may be disposed in the pressing chamber 160 at the bottom of the box 110 to facilitate heat dissipation of the electromagnetic generating module 161. A heat dissipation fan 158 may be disposed within the press bin 160 to dissipate heat from the compressor 151, the condenser 152, and the electromagnetic generation module 161.

The power supply module 262 may be disposed at the rear wall of the press bin 160 or the case 110.

Referring to fig. 6, the radiation antenna 250 may be disposed in the cylinder 210 and electrically connected to the electromagnetic generation module 161 to generate electromagnetic waves of corresponding frequencies according to electromagnetic wave signals. The cylinder 210 may be made of metal to serve as a receiving electrode to receive electromagnetic waves generated from the radiation antenna 250.

In some embodiments, the radiation antenna 250 may be disposed at the 1/3-1/2 height of the cylinder 210, such as 1/3, 2/5 or 1/2, so that the volume of the heating chamber 211 is larger, and the electromagnetic wave in the heating chamber 211 has higher energy density, thereby the object to be processed is heated rapidly.

Fig. 7 is a schematic bottom view of the appliance compartment 212 of fig. 5. Referring to fig. 6 and 7, the heating apparatus 200 may further include an antenna cover 230 dividing an inner space of the cylinder 210 into the heating chamber 211 and the appliance chamber 212. The object to be processed and the radiation antenna 250 may be disposed in the heating chamber 211 and the electric chamber 212, respectively, to separate the object to be processed and the radiation antenna 250, thereby preventing the radiation antenna 250 from being contaminated or damaged by erroneous touch.

The radome 230 may be made of an insulating material so that the electromagnetic waves generated from the radiation antenna 250 can pass through the radome 230 to heat the object to be treated.

The radiation antenna 250 may be horizontally fixed to the top wall of the electric chamber 212, i.e., the lower surface of the radome 230, to simplify the assembly process of the cylinder 210 and its internal components and facilitate the positioning and installation of the radiation antenna 250.

Referring to fig. 5 and 7, the heating device 200 may further include a signal processing and measurement and control circuit 270. Specifically, the signal processing and measuring and controlling circuit 270 may be disposed at the rear side of the radiating antenna 250, and includes a detecting unit 271, a controlling unit 272, and a matching unit 273.

The detection unit 271 may be connected in series between the electromagnetic generating module 161 and the radiation antenna 250, and configured to detect specific parameters of the incident wave signal and the reflected wave signal passing therethrough in real time. In the present invention, the specific parameter may be a voltage value, a current value or a power value directly measured by a power meter.

The control unit 272 may be configured to acquire the specific parameter from the detection unit 271, calculate the power of the incident wave and the reflected wave or directly read the power of the incident wave and the reflected wave based on the specific parameter, and further calculate the electromagnetic wave absorption rate of the object to be processed based on the power of the incident wave and the reflected wave, compare the electromagnetic wave absorption rate with a preset absorption threshold, and transmit an adjustment instruction to the matching unit 273 when the electromagnetic wave absorption rate is less than the preset absorption threshold. The predetermined absorption threshold may be 60-80%, such as 60%, 70%, or 80%.

The matching unit 273 may be connected in series between the electromagnetic generating module 161 and the radiating antenna 250, and configured to adjust the load impedance of the electromagnetic generating module 161 according to the adjustment instruction of the control unit 272, so as to improve the matching degree between the output impedance of the electromagnetic generating module 161 and the load impedance, so that food with different fixed attributes (type, weight, volume, etc.) is placed in the heating chamber 211, or more electromagnetic wave energy is radiated in the heating chamber 211 during the temperature variation of the food, thereby improving the heating rate.

Referring to fig. 4, the refrigeration system may also include a device supply air duct 156 and a device return air duct 157. The device supply air duct 156 and the device return air duct 157 are provided to communicate the freezing liner 141 and the temperature-changing liner 131 to transmit the cooling energy of the freezing compartment to the temperature-changing compartment.

The cylinder 210 can be correspondingly provided with an air inlet 213 and an air outlet 214, and a gap is reserved between the air inlet 213 and the air outlet 214 and the temperature-changing liner 131 to receive the cold energy in the temperature-changing liner 131, so that the heating chamber 211 can normally store food materials when the heating device 200 does not work, thereby avoiding the waste of storage space and improving the utilization rate of the heating device 200.

Specifically, referring to fig. 2 and 3, the refrigeration system further includes a refrigerating air duct cover 122 disposed on the refrigerating inner container 121 and sandwiching the refrigerating inner container 121 to form a refrigerating air supply duct, a refrigerating evaporator and a refrigerating air supply fan disposed on the refrigerating air supply duct, a freezing air duct cover 142 disposed on the freezing inner container 141 and sandwiching the freezing inner container 141 to form a freezing air supply duct 155, a freezing evaporator 153 and a freezing air supply fan 154 disposed on the freezing air supply duct 155.

The refrigerated air supply duct 155 can include a first section 1551 between the refrigerated air duct cover 142 and the bottom wall of the refrigerated liner 141 and a second section 1552 between the refrigerated air duct cover 142 and the back wall of the refrigerated liner 141. The front wall of the second section 1552 can be provided with a plurality of compartment air supply outlets 1421 which are distributed at intervals along the vertical direction, and the front part of the top wall of the first section 1551 can be provided with a compartment air return outlet 1422.

The freezing evaporator 153 and the freezing air supply fan 154 may be both disposed at the first section 1551, and the freezing evaporator 153 may be disposed at a front side (i.e., upstream) of the freezing air supply fan 154 so that the gas flowing through the freezing evaporator 153 can exchange heat with the freezing evaporator 153 sufficiently.

The device air supply duct 156 and the device air return duct 157 can be respectively arranged to be communicated with the freezing air supply duct 155 at the downstream and the upstream of the freezing evaporator 153, so as to avoid influencing the preservation quality of food materials in the freezing compartment.

Fig. 8 is a schematic rear view of the heating apparatus 200 shown in fig. 5. Referring to fig. 6 and 8, the air inlet 213 and the air outlet 214 may be opened at a rear wall and a lateral side wall of the heating chamber 211, respectively, to extend a moving path of the cool air, so that distribution of the cooling capacity flowing into the heating chamber 211 is more uniform.

The rear wall of the electrical chamber 212 may have heat dissipation holes 215 at positions corresponding to the matching units 273, so that heat generated by the matching units 273 during operation can be dissipated through the heat dissipation holes 215.

In some embodiments, the temperature swing liner 131 can include a heating chamber 132 and a storage chamber 133 that are laterally spaced and separate from one another. The heating cavity 132 can be used for placing the cylinder 210 of the heating device 200 to selectively heat the object to be processed. Both the device supply air duct 156 and the device return air duct 157 are provided in communication with the heating chamber 132.

The storage chamber 133 may be used to normally store food materials. The refrigerating system can also comprise a variable-temperature air supply duct and a variable-temperature air return duct which are communicated with the freezing inner container 141 and the storage cavity 133 so as to provide cold energy for the storage cavity 133.

The refrigerator 100 may further include a drawer 134 disposed in the storage compartment 133 and opening and closing a forward opening of the storage compartment 133.

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 a refrigerating system, wherein the refrigerator body comprises a refrigerating liner, a variable temperature liner and a freezing liner, the refrigerating liner is provided with a refrigerating chamber in a limited mode, the variable temperature liner is provided with a variable temperature chamber in a limited mode, and the freezing liner is provided with a freezing chamber in a limited mode; it is characterized in that the refrigerator further comprises a heating device, which comprises:

2. The refrigerator according to claim 1,

the radiation antenna is arranged at the height of 1/3-1/2 of the cylinder body.

3. The refrigerator according to claim 1, wherein the heating device further comprises:

4. The refrigerator according to claim 3, wherein the heating device further comprises:

5. The refrigerator according to claim 3 or 4, wherein the refrigerating system comprises:

6. The refrigerator of claim 5, wherein the refrigeration system further comprises:

7. The refrigerator according to claim 6,

the freezing air supply duct comprises a first section and a second section, wherein the first section is positioned between the freezing air duct cover plate and the bottom wall of the freezing liner, and the second section is positioned between the freezing air duct cover plate and the rear wall of the freezing liner;

8. The refrigerator according to claim 6,

the air inlet and the air outlet are respectively arranged on the rear wall and one transverse side wall of the heating chamber.

9. The refrigerator according to claim 6,

the temperature-changing inner container comprises a heating cavity and a storage cavity which are transversely distributed and are mutually independent; and is

10. The refrigerator according to claim 1,

the box body is further limited by a press bin, and the electromagnetic generation module is arranged in the press bin.