CN210220352U

CN210220352U - Refrigerator with a door

Info

Publication number: CN210220352U
Application number: CN201920617955.XU
Authority: CN
Inventors: Kunkun Zhao; 赵坤坤; Haijuan Wang; 王海娟; Peng Li; 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: 2020-03-31
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a refrigerator. The refrigerator comprises a box body, a refrigerating system and a heating device, wherein the box body is limited with a refrigerating chamber and a freezing chamber, the refrigerating system is used for providing cold for the refrigerating chamber and the freezing chamber, the freezing chamber is arranged below the refrigerating chamber, and a vertical beam is arranged in the 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. Wherein, heating device's barrel sets up in cold-stored room to when convenience of customers got and puts the pending thing, reduce the influence of heating to other edible materials.

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 T type 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, including the box that limits there are cold-stored room and freezing room and for the refrigerating system of cold volume is provided to cold-stored room and freezing room, wherein the freezing room sets up in the below of cold-stored room, and the indoor vertical beam that is provided with of freezing room, in order to divide the freezing room into two storing spaces in the horizontal direction; it is characterized in that the refrigerator further comprises a heating device, which comprises:

the metal cylinder is arranged in the refrigerating 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 refrigerating air duct cover plate is arranged at the rear part of the refrigerating chamber and is clamped with the rear wall of the refrigerating chamber to form a refrigerating air supply duct; and

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

The top and the bottom of the refrigerating air duct cover plate are respectively provided with a compartment air supply outlet and a compartment air return inlet; and is

The rear wall of the heating chamber is provided with an air inlet and an air outlet, and gaps are reserved between the air inlet and the air outlet and the refrigerating air duct cover plate to receive the refrigerating capacity.

Optionally, the refrigerating air duct cover plate is further provided with an air supply outlet and an air return outlet at positions corresponding to the air inlet and the air outlet, respectively, so as to rapidly provide cooling capacity for the barrel.

Optionally, the barrel is disposed at the bottom of the refrigerating compartment.

Optionally, the refrigeration evaporator is arranged below the refrigeration air supply fan and arranged at the upstream of the refrigeration air supply fan; and the refrigerator further comprises:

and a guide member configured to guide the airflow blown out by the refrigerating air supply fan to the device air supply outlet and the device air return outlet.

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

Optionally, the refrigeration system further comprises:

the partition plate is arranged in the refrigerating chamber, positioned above the barrel and used for partitioning a storage space of the refrigerating chamber; and the heating device further comprises:

and the key board is fixed on the partition board and configured to receive a heating starting instruction, and an electric connecting wire of the key board is arranged below the partition board and is led out from the rear part of the partition board to be electrically connected with the electromagnetic generation system.

The utility model discloses set up heating device's barrel in the cold-stored room of T type refrigerator (freezing room sets up in the below of cold-stored room, and freezing room is separated for two storing space by a perpendicular roof beam indoor, not only convenience of customers gets and puts the pending thing, still can reduce the heating to other influences of eating the material, the life of electrical part in the extension barrel.

Further, the utility model discloses an air intake and air outlet are seted up to the back wall at the heating chamber, set up device supply-air outlet and device return air inlet on cold-stored wind channel apron correspondingly, can provide cold volume for the heating chamber fast when heating device is out of work, normally preserve the edible material, have avoided storage space's waste, have improved heating device's utilization ratio.

Further, the utility model discloses all feed through the device supply-air outlet and the device return air inlet in the low reaches of cold-stored evaporimeter, can make the pressure of air intake and air outlet department all higher, and then make the cold air that flows into the heating chamber distribute in the heating chamber uniformly, improved the temperature homogeneity of heating chamber.

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 isometric 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 front view of the refrigerator shown in FIG. 1 with parts on the front side of the duct cover removed;

FIG. 4 is a schematic rear view of the press silo of FIG. 2;

FIG. 5 is a schematic rear view of the refrigerated supply air duct of FIG. 2;

fig. 6 is a schematic structural view of a heating apparatus according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of the heating apparatus shown in FIG. 6;

FIG. 8 is a schematic bottom view of the appliance compartment of FIG. 6;

FIG. 9 is a schematic rear view of the components of FIG. 2 located on the front side of the duct cover;

fig. 10 is a schematic bottom view of the spacer and the key sheet in fig. 9.

Detailed Description

Fig. 1 is a schematic isometric view of a refrigerator 100 according to one embodiment of the present invention, with the door 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. Wherein the cabinet 110 may include an outer box, a refrigerating inner container defining a refrigerating compartment 120, and a freezing inner container defining a freezing compartment 130. The door may include a refrigerating door for opening and closing the refrigerating compartment 120 and a freezing door for opening and closing the freezing compartment 130.

The utility model discloses in, refrigerator 100 is T type refrigerator, and its freezing room 130 sets up in the below of cold-stored room 120, and is provided with a perpendicular roof beam 140 in freezing room 130, separates freezing room 130 for two storing spaces in the transverse direction.

As well known to those skilled in the art, the refrigerating compartment 120 is a storage compartment for preserving food materials at a temperature of 0 to +8 ℃; the freezing chamber 130 is a storage chamber with the preservation temperature of food materials being-20 to-15 ℃.

FIG. 3 is a schematic front view of the refrigerator 100 shown in FIG. 1 with parts on the front side of the duct cover 121 removed; FIG. 4 is a schematic rear view of the compressor bin 160 of FIG. 2; fig. 5 is a schematic rear view of the refrigerated supply air duct 155 in fig. 2. Referring to fig. 3 to 5, the refrigeration system includes at least a compressor 151, a condenser 152 in communication with an outlet of the compressor 151, a capillary tube, a refrigerating evaporator 153 for supplying cold to the refrigerating compartment 120, and a refrigerating blower fan 154 for diffusing cold generated by the refrigerating evaporator 153 to the refrigerating compartment 120.

Specifically, a refrigerating duct cover 121 may be provided at the rear of the refrigerating compartment 120. The refrigerating evaporator 153 and the refrigerating air supply fan 154 may both be disposed in a refrigerating air supply duct 155 formed by the refrigerating duct cover 121 and the rear wall of the refrigerating compartment 120, and the top and the bottom of the refrigerating duct cover 121 are respectively provided with a compartment air supply outlet 1211 and a compartment air return inlet 1212.

The number of the compartment air blowing ports 1211 may be two, and the two compartment air blowing ports 1211 are symmetrically disposed at both lateral ends of the refrigerating duct cover 121 to improve the temperature uniformity of the refrigerating compartment 120 in the lateral direction.

The refrigerating blower 154 may be a single-suction bidirectional centrifugal blower, i.e. the volute has a blower inlet 2131541 and two blower outlets 2141542 for supplying air to the two compartment outlets 1211 simultaneously.

The refrigerating evaporator 153 may be disposed below the refrigerating air supply fan 154 and upstream of the refrigerating air supply fan 154 so that the air passing through the refrigerating evaporator 153 can exchange heat with the refrigerating evaporator 153 sufficiently.

Fig. 6 is a schematic structural view of a heating apparatus 200 according to an embodiment of the present invention; fig. 7 is a schematic cross-sectional view of the heating apparatus 200 shown in fig. 6. Referring to fig. 6 and 7, 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 refrigerating compartment 120, so that a user can conveniently take and place an object to be processed, and meanwhile, the influence of heating on other food materials is reduced, and the service life of electric devices in the cylinder 210 is prolonged.

Further, the cylinder 210 may be disposed at the bottom of the refrigerating compartment 120 to further improve the convenience of a user in taking and placing the object to be processed, and facilitate the installation and positioning of the cylinder 210.

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 261 that generates an electromagnetic wave signal, a power supply module 262 that powers the electromagnetic generation module 261, and a radiation antenna 250.

Referring to fig. 4, the electromagnetic generation module 261 may be disposed in the pressing cabin 160 at the bottom of the box 110 to facilitate heat dissipation of the electromagnetic generation module 261.

A heat dissipation fan 156 may be disposed within the press bin 160 to dissipate heat from the compressor 151, the condenser 152, and the electromagnetic generation module 261.

The upper portion of the electromagnetic generation module 261 may further be provided with a heat dissipation fin 263 thermally connected to the electromagnetic generation module 261 to increase a heat dissipation area, thereby further improving a heat dissipation efficiency of the electromagnetic generation module 261.

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 and 7, the radiation antenna 250 may be disposed inside the cylinder 210 and electrically connected to the electromagnetic generation module 261 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. 8 is a schematic bottom view of the appliance compartment 212 of fig. 6. Referring to fig. 7 and 8, 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. 6 and 8, 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 generation module 261 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 261 and the radiating antenna 250, and configured to adjust the load impedance of the electromagnetic generating module 261 according to an adjustment instruction of the control unit 272, so as to improve the matching degree between the output impedance of the electromagnetic generating module 261 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 of the food is radiated in the heating chamber 211 during the temperature change process, thereby improving the heating rate.

Fig. 9 is a schematic rear view of the components of fig. 2 located on the front side of the duct cover 121. Referring to fig. 3, 5 and 9, the rear wall of the heating chamber 211 may be opened with an air inlet 213 and an air outlet 214, and a gap is left between the air inlet 213 and the air outlet 214 and the refrigerating duct cover plate 121 to receive cold energy, so that the heating device 200 is used to preserve food materials when not in operation, thereby avoiding waste of storage space and improving utilization rate of the heating device 200.

The cover plate 121 of the refrigerating duct may further be provided with an air inlet 1213 and an air outlet 1214 at positions corresponding to the air inlet 213 and the air outlet 214, respectively, so as to rapidly provide cooling energy to the barrel 210 and improve the temperature uniformity of the refrigerating compartment 120 in the vertical direction.

Referring to fig. 2 and 5, the refrigerator 100 may further include a guide 122. The guide 122 is configured to guide the airflow blown by the refrigerating air blowing fan 154 to the device air blowing opening 1213 and the device air return opening 1214, that is, the device air blowing opening 1213 and the device air return opening 1214 are both communicated with the downstream of the refrigerating evaporator 153, so that the pressures of the air inlet opening 213 and the air outlet opening 214 are both high, and the cool air flowing into the heating chamber 211 is uniformly distributed in the heating chamber 211, thereby improving the temperature uniformity of the heating chamber 211.

In some embodiments, the intake vent 213 may be configured to be forwardly concave and the exhaust vent 214 may be configured to be rearwardly concave to define the flow direction of the airflow.

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.

Fig. 10 is a schematic bottom view of the partition 124 and the key sheet 280 in fig. 9. Referring to fig. 1, 9 and 10, the refrigerator 100 may further include a partition 124 disposed at the refrigerating compartment 120 and above the drum 210 to partition the storage space of the refrigerating compartment 120.

In some embodiments, the heating device 200 may also include a key sheet 280. Key sheet 280 may be configured to receive a heating start instruction and configured to be electrically connected to control unit 272 of the electromagnetic generation system, so as to transmit the start instruction to control unit 272 to control electromagnetic generation module 261 to start and operate.

The key sheet 280 may be secured to the spacer 124 to facilitate user activation of the keys 281 of the key sheet 280. Specifically, the partition 124 may be formed with a mounting opening penetrating through the partition 124 in the vertical direction, and the key sheet 280 may be fastened in the mounting opening.

The electrical connection wires 282 of the key sheet 280 may be disposed under the partition 124 and led out from the rear of the partition 124 to be electrically connected to the control unit 272, so as to hide the electrical connection wires 282, prevent the electrical connection wires 282 from being damaged, and improve safety.

The refrigerator 100 may further include a trim panel 125 disposed above the partition 124 and fastened to the partition 124. The projection of the fascia 125 in the horizontal plane may cover the keypad 280 to prevent damage to the keypad 280 and improve safety. The decoration plate 125 may be opened with a key hole, and the key 281 may be exposed from the key hole.

In some embodiments, the refrigerator 100 may further include a drawer 123 disposed in parallel with the drum 210 in a lateral direction for preserving food.

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 box body and a refrigerating system, wherein the box body is limited with a refrigerating chamber and a freezing chamber, the refrigerating system is used for providing cold for the refrigerating chamber and the freezing chamber, the freezing chamber is arranged below the refrigerating chamber, and a vertical beam is arranged in the freezing chamber to divide the freezing chamber into two storage spaces in the transverse direction; 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 according to claim 5,

and the positions of the refrigerating air duct cover plate corresponding to the air inlet and the air outlet are respectively provided with an air supply port and an air return port so as to rapidly provide cold energy for the barrel.

7. The refrigerator according to claim 6,

the cylinder is arranged at the bottom of the refrigerating chamber.

8. The refrigerator according to claim 7,

the refrigeration evaporator is arranged below the refrigeration air supply fan and is arranged at the upstream of the refrigeration air supply fan; and the refrigerator further comprises:

9. 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.

10. The refrigerator of claim 1, wherein the refrigeration system further comprises: